| Entries |
| Document | Title | Date |
|---|
| 20080217512 | Colour Point Control System - Colour point control system ( | 09-11-2008 |
| 20080224026 | RF controlled sequential lighting system - An RF controlled lighting system that activates lights in adjacent spaces when a person walks into a first space and then traverses the spaces in sequence. A detection device senses the entry of a person into a first space controlled by the system. A micro-controller activates the lights in that space for immediate light and in the adjacent spaces in preparation for the person to traverse the spaces in either direction from the origin space. As the person traverses the contiguous spaces, controllers in each space sense the person's presence and communicate by RF signals to activate lights along the person's path. The controllers extinguish their lights a predetermined time after the person passes or no one enters a space. | 09-18-2008 |
| 20080230679 | INTEGRATED PHOTORECEPTOR CIRCUIT AND OPTOELECTRONIC COMPONENT INLCUDING THE SAME - The integrated photoreceptor circuit includes a photosensitive area for picking up light and a processing unit area for processing the signals provided by the photosensitive area. This photoreceptor circuit includes electric contact pads, which are arranged symmetrically solely on the side of the processing unit area, which is juxtaposed with the photosensitive area. The integrated photoreceptor circuit is mounted on a first portion of a flexible substrate. The contact pads of the integrated photoreceptor circuit are electrically connected to electrical connection pads of the printed circuit of the flexible substrate. A second portion of the flexible substrate carries electrical connection terminals, which are connected to the connection pads via conductive paths, arranged in part on a connecting portion between the first and second portions. A through aperture in the first portion may be provided opposite the photosensitive area only of the photoreceptor circuit. | 09-25-2008 |
| 20080251691 | Imaging Device and Imaging Device Drive Method - The problem of the invention is to improve S/N and provide a high-sensitivity imaging device. The CMOS image sensor includes multiple pixels arranged in a two-dimensional array, where each pixel includes a photodiode PD that receives light to produce charge, a capacitance element FD, and a transfer transistor M | 10-16-2008 |
| 20080265131 | Light on electronic device - Various embodiments of a light on an electronic device are disclosed. In one embodiment, the light couples to a sensor and has a brightness that varies when ambient light incident on the sensor varies. | 10-30-2008 |
| 20080265132 | LIGHT SOURCE ERROR DETECTION APPARATUS AND METHOD - A light source error detection system and method including monitoring a plurality of characteristics of a light source and controlling the light source based on a plurality of monitored results. The system and method control the light source differently for a first case when only one of the monitored characteristics is abnormal than a second case when more than two of the monitored characteristics are abnormal. In controlling the light source, an output power of the light source is decreased with different time constant for the first case and the second case. | 10-30-2008 |
| 20080265133 | Power Supply Control Circuit with Optical Feedback - An integrated circuit is disclosed that integrates a low current, high speed optical receiver with the primary side control functions of the power supply. This is further combined with an optical emitter to create a single component for feedback and control, providing improved performance and manufacturing. A method of providing feedback for the power supply using such an integrated optically coupled control circuit is also disclosed. | 10-30-2008 |
| 20080265134 | Optical unit, solid-state image sensing device and electronic apparatus comprising same - A camera module | 10-30-2008 |
| 20080265135 | Multi-stage waveform detector - A waveform detector may include multiple stages. | 10-30-2008 |
| 20080272278 | Solar Powered Light - A solar lighting fixture and method thereof, is provided which comprises an outer cover lens containing a plurality of gripping protrusions that is coupled to a housing. The housing, and outer cover lens being made of hard, durable and resilient poly-carbonate like material which extends the longevity of the outer lens | 11-06-2008 |
| 20080272279 | Method and apparatus for producing an indication of solar panel condition - A method and apparatus for producing an indication of solar panel condition is disclosed. The method involves receiving operating condition signals including an irradiance signal representing electromagnetic radiation received by the solar panel, and an age signal representing age of the solar panel. The method also involves receiving a power signal representing actual power output from the solar panel and producing a power estimate in response to the operating condition signals and irradiance and age adjustment factors. The power estimate represents an expected power output from the solar panel and the adjustment factors are for adjusting the irradiance signal and the age signal respectively. The method further involves causing a warning signal to be generated in response to a difference between the power signal and the power estimate. | 11-06-2008 |
| 20080277565 | Optical fiber for optical power transmission - An optical fiber adapted to carry optical power for powering an electrical device and also optionally adapted to carry optical data for signal processing. The optical fiber capable of carrying both optical data and optical power includes a central data waveguide region that carries data light and an annular power waveguide region concentrically surrounding the data waveguide region and adapted to carry relatively large amounts of optical power. A first annular isolation region between the data and power waveguide regions and that includes microstructures serves to optically isolate the waveguide regions. An outer annular isolation region serves to confine power light to the power waveguide region and contributes to the bend-resistance of the optical fiber. An optical power and optical data distribution system that utilizes the optical fiber is also described. | 11-13-2008 |
| 20080302949 | Photosensors Including Photodiode Control Electrodes and Methods of Operating Same - A sensor includes a substrate, a floating diffusion node in the substrate, a photodiode in the substrate laterally spaced apart from the floating diffusion region and a transfer transistor coupling the photodiode and the floating diffusion region. The sensor further includes a photodiode control electrode disposed on the photodiode and configured to control a carrier distribution of the photodiode responsive to a control signal applied thereto. The floating diffusion region may have a first conductivity type, the photodiode may include a first semiconductor region of a second conductivity type disposed on a second semiconductor region of the first conductivity type, and the photodiode control electrode may be disposed on the first semiconductor region. The photodiode may be configured to receive incident light from a side of the substrate opposite the photodiode control electrode. The transfer transistor may include a gate electrode on a channel region in the substrate and the photodiode control electrode and the transfer transistor gate electrode may be separately controllable. In further embodiments, the photodiode control electrode comprises an extension of the transfer transistor gate electrode. | 12-11-2008 |
| 20090014626 | STREET LAMP - A street lamp includes a lamp holder; a light generating unit, a brightness measuring unit and a display unit. The light generating unit is arranged on the lamp holder for emitting light. The brightness measuring unit is arranged on the lamp holder and exposed to light radiation of the light generating unit. The brightness measuring unit is configured for measuring a brightness of the light generating unit. The display unit is arranged on the lamp holder for displaying information associated with the brightness measured by the brightness measuring unit | 01-15-2009 |
| 20090026350 | DETERMINATION OF LOW CURRENTS WITH HIGH DYNAMIC RANGE FOR OPTICAL IMAGING - In optical tomography, a wide dynamic range is necessary while measuring currents. According to an exemplary embodiment of the present invention, the currents are measured by counting the integration time and outputting a measurement result on the basis of the counted integration time, if the integrated current exceeds a threshold value before expiration of a maximum integration time. | 01-29-2009 |
| 20090065678 | SYSTEMS AND METHODS FOR A TILTED OPTICAL RECEIVER ASSEMBLY - Systems and methods are provided for depositing solder in a first pattern over a first bonding pad on the substrate; depositing solder in a second pattern over a second bonding pad on the substrate, wherein the second pattern defines a larger area than the first pattern; placing the electronic device on the substrate such that pads on the electronic device are aligned with the first and second bonding pads; and reflowing the solder between the pads on the electronic device and the first and second bonding pads, causing the solder deposited on the first bonding pad to form a first solder joint and the solder deposited on the second bonding pad to form a second solder joint. The second solder joint is larger than the first solder joint causing the electronic device to be attached at an angle relative to the substrate. | 03-12-2009 |
| 20090072119 | Backlight unit and method of driving the same - Provided is a backlight unit including one or more white light emitting diodes (LEDs) for generating light; an LED module having a printed circuit board (PCB), the LED module supporting and driving the white LED; a sensor for detecting the color temperature of the white LED; a heat generating element connected to the LED module; and a controller for controlling the sensor, the LED module, and the heat generating element. | 03-19-2009 |
| 20090084935 | APPARATUS AND METHODS FOR AN AREA SCANNER - Apparatus and methods for operating an area scanner having a motorless scanning mechanism provide for enhanced operation of the area scanner. In an embodiment, an area scanner includes a micro-optical-electromechanical device to direct the scan of light from an optical source over a desired area. | 04-02-2009 |
| 20090101796 | Methods, systems and apparatuses using barrier self-calibration for high dynamic range imagers - Methods, systems and apparatuses proving a high dynamic range imager. Multiple photosensor integration periods are used to capture pixel signal information. A transistor gate is used to remove electrons from the photosensor between the two successive integration periods providing a non-linear pixel response characteristic having a knee point. Each pixel is calibrated for the knee point which is used during adjustment of the pixel output signal. Each pixel may also be calibrated with an arbitrary signal response curve for multiple light intensities. | 04-23-2009 |
| 20090101797 | OPTICAL SIGNAL TRANSMITTING APPARATUS, OPTICAL SIGNAL TRANSMITTING DEVICE, AND OPTICAL SIGNAL RECEIVING DEVICE - An optical signal transmitting apparatus includes a light-emitting element, a light-receiving section, a conductive line and a controller. The light-emitting element converts an electric signal into an optical signal. The light-receiving section converts the optical signal, which is received from the light-emitting element through an optical transmission medium, into an electric signal. The conductive line is connected to an output terminal of the light-receiving section. The light-receiving section outputs an analog signal through the output terminal. The controller controls an extinction ratio of the light-emitting element in accordance with a characteristic impedance of the conductive line. | 04-23-2009 |
| 20090108174 | Storage Pixel - Embodiments of the present invention provide pixel cells with increased storage capacity, which are capable of anti-blooming operations. In an exemplary embodiment a pixel cell has an electronic shutter that transfers charge generated by a photo-conversion device to a storage node before further transferring the charge to the pixel cell's floating diffusion node. Each pixel cell also includes an anti-blooming transistor for directing excess charge out of each respective pixel cell, thus preventing blooming. Additionally, two or more pixel cells of an array may share a floating diffusion node and reset and readout circuitry. | 04-30-2009 |
| 20090140123 | PHOTOELECTRIC CONVERSION DEVICE, IMAGING DEVICE AND PHOTOSENSOR - A photoelectric conversion device is provided and includes a photoelectric conversion layer containing a compound represented by the following formula (1). Formula (1): | 06-04-2009 |
| 20090152442 | Device for transferring light signals and corresponding method - To ensure an energy-efficient transfer of light signals between two elements of a machine which are movable relative to one another, a device and a method for transferring light signals between such elements is provided. A first element has a plurality of light sources for delivering light signals and a second element has at least one photoreceiver for receiving the light signals. A unit causing the turning on or off is configured such as to effect a turning on or off of only one portion of the light sources. | 06-18-2009 |
| 20090152443 | PHOTO RELAY - A LED is provided to emit a light signal corresponding to an input signal. A PD receives the light signal, and generates a photovoltaic output. A MOSFET receives the photovoltaic output. A FET is provided. A first electrode of the FET is connected to the gate of the MOSFET. A second electrode of the FET is connected to a cathode of the PD through a resistor. A control electrode of the FET is connected to the cathode of the PD. A transistor is provided. A first electrode of the transistor is connected to the gate of the MOSFET. A second electrode of the transistor is connected to the source of the MOSFET. A control electrode of the transistor is connected to the second electrode of the FET. A diode is connected between the second electrode of the FET and the second electrode of the transistor. | 06-18-2009 |
| 20090166511 | IMAGE SENSOR MODULE HAVING ELECTRIC COMPONENT AND FABRICATION METHOD THEREOF - An image sensor module capable of facilitating an electrical and mechanical connection of an electric component and a fabrication thereof are disclosed. The image sensor module includes a sensor chip; at least one lens disposed above the sensor chip; at least one electric component disposed with respect to the at least one lens to adjust optical characteristics of the at least one lens; a housing accommodating and closing up the sensor chip, the at least one lens and the at least one electric component, and having an opening to expose the at least one lens to an outside thereof; and a wiring part longitudinally disposed on an inner surface of the housing, and including at least one conducting wire having a first connecting terminal exposed to the outside of the housing to allow the at least one conducting wire to electrically connect a terminal pad of the at least one electric component with an external electronic device and a second connecting terminal connected to the terminal pad of the at least one electric component. | 07-02-2009 |
| 20090184234 | METHOD FOR ADJUSTING POSITION OF LASER EMITTING DEVICE - Performed is a process of setting, on a mounting table, an adjustment substrate, which is provided with a slit of a preset width extended toward a center from a peripheral portion of the adjustment substrate; irradiating the laser beam toward a light receiving surface of a light energy measuring device, which is disposed on a front surface side of the adjustment substrate, from a rear surface side of the adjustment substrate through the slit; and measuring a variation in an energy amount of the laser beam irradiated onto the light receiving surface by the light energy measuring device while moving the laser emitting device in the optical axis direction, and adjusting a position of the laser emitting device in the optical axis direction to a desired position based on the variation in the energy amount on the light receiving surface. | 07-23-2009 |
| 20090184235 | MEROCYANINE DYE AND PHOTOELECTRIC CONVERSION DEVICE - A merocyanine dye is provided. The merocyanine dye is represented by formula (1). | 07-23-2009 |
| 20090189054 | SYSTEM AND METHOD INCLUDING A PREALIGNER - A system and method for prealigning a substrate. One embodiment provides a rotor configured to rotate a carrier around a rotation axis in response to a rotation signal. The carrier includes a main surface substantially perpendicular to the rotation axis. The substrate is disposable on the carrier. The substrate includes a main surface and a mark such that an orientation of the substrate with respect to the rotation axis is detectable. An electromagnetic radiation source is configured to illuminate the main surface of the substrate with electromagnetic radiation. An optical/electrical converter is responsive to the electromagnetic radiation reflected back from the main surface, detecting the mark of the substrate and providing a sensing signal. A controller is configured to receive the sensing signal and providing the rotation signal. | 07-30-2009 |
| 20090200449 | PHOTOELECTRIC CONVERSION DEVICE AND IMAGING SYSTEM - A photoelectric conversion device comprises: a clipping unit including a MOS transistor which has a source connected to a signal line and a drain being connected to a power supply, and the clipping unit clipping an electric potential of the signal line to an electric potential corresponding to an electric potential of the source; a holding capacitance which has a first electrode and a second electrode, the first electrode being connected to a gate of the MOS transistor, and the holding capacitance holding at least a voltage transferred to the signal line while the charge-voltage converter has been reset; and a shift unit which shifts an electric potential of the second electrode in a direction such that the electric potential of the second electrode comes close to a level to be transferred to the signal line while the charge-voltage converter has been reset. | 08-13-2009 |
| 20090200450 | BURST LIGHT RECEIVING POWER MONITOR CIRCUIT, METHOD, AND PROGRAM - The present invention allows immediate reading of a monitor voltage of a required arbitrary burst cell and provides a burst light receiving power monitor circuit that monitors the monitor voltage of a burst cell, the burst light receiving power monitor circuit comprising: a memory that includes a plurality of areas and that prepares an address for each area; a monitor voltage forming section that converts input signal light of the burst cell to a digital monitor voltage amplitude; and a controller that continuously stores the monitor voltage amplitude from the monitor voltage forming section in each area of the memory specified with an address by a control signal externally inputted according to the timing of the burst cell and that controls reading out a monitor voltage from an arbitrary area of the memory specified with an address by an external memory access signal. | 08-13-2009 |
| 20090236496 | PHOTOELECTRIC CONVERSION DEVICE - Objects are to suppress reduction in current output from a photoelectric conversion device and to prevent ESD from occurring in the photoelectric conversion device without greatly increasing the number of steps for manufacturing the photoelectric conversion device. The photoelectric conversion device includes a photodiode generating current by light irradiation; an amplifier circuit including at least one MOS transistor for amplifying the current; and at least one diode which is connected in series with the photodiode in a path of the current generated in the photodiode or a path of the current amplified by at least one MOS transistor so that a bias direction of the diode is opposite to that of the photodiode. Each of the photodiode and the diode includes a stack of a plurality of semiconductor films. | 09-24-2009 |
| 20090242734 | CURRENT DETECTION CIRCUIT, PHOTORECEIVER USING THE SAME, LIGHT EMISSION CONTROL DEVICE, AND ELECTRONIC DEVICE USING THE SAME - A first transistor may be provided on a current path of a photo transistor. The bias current path may include a bias switch and a first bias resistor connected in series and is provided in parallel with a main current path including the phototransistor. A second transistor may configure a current mirror circuit with the first transistor, and generates second current formed by multiplying the first current flowing in the first transistor by a predetermined factor. The second current is charged in the charging capacitor and converted into a voltage. The bias current path turns on prior to the start of light reception of the phototransistor and turns off after a predetermined period has elapsed from the start of light reception of the phototransistor. | 10-01-2009 |
| 20090250593 | SAFETY SYSTEM FOR A VEHICLE WITH OPTICAL SIGNAL TRANSMISSION - A safety system for a vehicle is provided, which comprises signalling means associated with a seat of the vehicle for emitting an optically detectable signal carrying information related to the seat and detecting means for remotely detecting the optically detectable signal and for providing a corresponding signal to a control unit. | 10-08-2009 |
| 20090266973 | VERY SMALL IMAGE SENSOR - An image sensor formed in a semiconductor stack of a lower region of a first conductivity type and of an upper region of a second conductivity type, including: a photodiode formed of a first portion of the stack; a read area formed of a second portion of the stack; a trench with insulated walls filled with a conductive material, the trench surrounding the photodiode and the read area and being interrupted, all along its height, on a portion facing the photodiode and the read area; and first connection mechanism associated with the conductive material of the trench and capable of being connected to a reference bias voltage. | 10-29-2009 |
| 20090272878 | PHOTODETECTION CIRCUIT - This photodetecting circuit | 11-05-2009 |
| 20090283662 | IMAGE SENSOR PACKAGE, CAMERA MODULE HAVING SAME AND MANUFACTURING METHOD FOR THE SAME - An exemplary image sensor package includes a substrate, an imaging area, a circuit layer and two passive components. The substrate has a first surface and a second surface, which are opposite to each other. An image sensing area is formed on the first surface of the substrate and a circuit layer is formed on the second surface of the substrate. The passive components opposite to the image sensing area are soldered to the circuit layer of the second surface. | 11-19-2009 |
| 20090289170 | RADIATION DETECTION APPARATUS AND RADIATION DETECTION SYSTEM - A radiation detection apparatus to detect radiation. A substrate ( | 11-26-2009 |
| 20090302200 | IMAGE SENSING DEVICE AND IMAGING SYSTEM - An image sensing device comprises a pixel array, a plurality of column amplification units each including a setting unit, and a plurality of reference signal supply units, wherein a first reference signal and a second reference signal are common to a plurality of columns in the pixel array, each of the plurality of column amplification units amplifies a difference between the first reference signal and the second reference signal to output the amplified difference, or amplifies each of the first reference signal and the second reference signal to output the amplified first reference signal and the amplified second reference signal, and the setting unit sets, in the column amplification unit, an amplification factor which is determined in accordance with a signal output from each of the plurality of column amplification units so as to reduce variations of the amplification factor between the plurality of column amplification units. | 12-10-2009 |
| 20100012820 | LIGHT DETECTING DEVICE - In a photodetecting device | 01-21-2010 |
| 20100032548 | PHOTOELECTRIC CONVERTER AND PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric converter includes a photoelectric conversion element, which includes a first electrode and a second electrode disposed discretely and a photoelectric conversion material layer disposed between the first electrode and the second electrode and in which a current generated in the photoelectric conversion material layer changes with the lapse of an application time, where a constant amount of light is applied to the photoelectric conversion material layer while a voltage is applied between the first electrode and the second electrode, and a current detection circuit to detect the change in the current. | 02-11-2010 |
| 20100051783 | TOOL SETTING OR ANALYSIS DEVICE - A tool setting or tool analysis device for a machine tool comprises a light source for producing a light beam. A light receiver receives the light beam and produces a signal indicative of the amount of light received. This is analyzed by a main analysis circuit to generate a trigger signal to a machine controller when the beam is at least partially occluded. To provide fail-safe operation should the main circuit not recognize the tool, a back-up trigger signal is produced after a delay by a delay circuit. In one preferred form, the back-up trigger signal may oscillate, providing repeated edges which can ensure fail-safe operation even if the machine controller suffers from a blind window and therefore misses the initial trigger signal. | 03-04-2010 |
| 20100059661 | Relay circuit - A relay circuit that includes: a light emitting element that outputs an optical signal in accordance with an input electric signal; a photoelectric conversion element that converts the optical signal into an electric signal and generates a potential difference between its opposite ends; a switching element that has a prescribed threshold value and that determines an output state in accordance with the potential difference that is generated by the photoelectric conversion element and that exceeds the prescribed value; first and second paths that are respectively connected to the opposite ends of the photoelectric conversion element and that transmit the potential difference generated by the photoelectric conversion element to the switching element; a discharge circuit that electrically connects the first path and the second path to each other when the potential difference generated by the photoelectric conversion element drops to a prescribed value; and a first resistor element that is arranged between the discharge circuit and the switching element and that is connected between the first path and the second path. | 03-11-2010 |
| 20100090091 | METHOD AND DEVICE FOR READING ELECTRICAL CHARGES PRODUCED BY A PHOTO-DETECTOR, AND DETECTOR COMPRISING SUCH DEVICES - A method of reading electrical charges produced by a photo-detector of a photo-detector matrix includes collecting and storing electrical charges produced by the photo-detector in a first capacitive element, transferring the charges stored in the first capacitive element to a second capacitive element, and reading the voltage at the terminals of the second capacitive element. The transfer followed by the reading is carried out in at least two phases: at least one first phase taking place during the collection and storage of the charges in the first capacitive element, and a second phase taking place at the end of the collection and storage of the electrical charges in the first capacitive element. | 04-15-2010 |
| 20100096535 | POSITION SENSOR - A position sensing device (PSD) comprising: a light source that provides light responsive to current that it receives; a power source that provides current to the light source through a load line; a photodetector that receives an amount of light from the light source that is a function of position of the light source relative to the photodetector; and an integrated circuit comprising an I/O port connected to the light source and having a plurality of selectable states; wherein different selectable states determine different values for the load line and therefore current provided to the light source. | 04-22-2010 |
| 20100140451 | PHYSIOLOGICAL SENSOR WITH BOOSTER CIRCUIT - A physiological sensor includes a light source in optical communication with a light detector. A controller is in communication with the light detector via a connector. A booster circuit is in communication with the light detector and the connector. The booster circuit may be configured to buffer signals generated by the light detector and reduce an input capacitance on either the controller or terminals of the connector. In various embodiments, the booster circuit may be disposed on the connector for a reusable cable or a disposable sensor pad. | 06-10-2010 |
| 20100140452 | Dual Mode Source Follower for Low and High Sensitivity Applications - In certain embodiments, a unit cell is provided. The unit cell may include a high sensitivity path and a low sensitivity path. The high sensitivity path may include a first transistor and a first switch. The first switch may couple an output node to the first transistor. The low sensitivity path may include a capacitor. A second switch may couple the high sensitivity path to the low sensitivity path. A third switch may couple the high sensitivity path and the low sensitivity path to a voltage node. | 06-10-2010 |
| 20100148034 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - Provided are an image sensor and a method for manufacturing the same. The image sensor comprises a readout circuitry, an interconnection, an image sensing device, a first conductive-type ion implantation layer, and a via plug. The readout circuitry is formed in a first substrate. The interconnection is formed over the first substrate. The interconnection is electrically connected to the readout circuitry. Then image sensing device is formed over the interconnection. The image sensing device comprises a first conductive-type conductive layer and a second conductive-type conductive layer. The first conductive-type ion implantation layer is formed in a portion of the second conductive-type conductive layer of the image sensing device. The via plug penetrates through the first conductive-type ion implantation layer and the first conductive-type conductive layer to electrically connect the first conductive-type conductive layer to the interconnection. | 06-17-2010 |
| 20100155575 | ARRANGEMENT AND METHOD IN AN ELECTRONIC DEVICE FOR DETECTING A USER INPUT TO A KEY - A method in an electronic device for detecting a user input to a key of the electronic device associated with a solar cell that may include an input and an output is provided. The key may be transparent and admit input electromagnetic radiation to the solar cell. A change of input radiation into the solar cell may result in a corresponding change of an output signal of the solar cell. The method may include the step of detecting a change of the output signal corresponding to a change in input radiation as a result of light being blocked from being incident on the key (e.g., shadowed), and the step of indicating an input (i.e., activation) of the key associated with the solar cell with the detected output signal change. | 06-24-2010 |
| 20100219327 | High speed quantum efficiency measurement apparatus utilizing solid state lightsource - The present invention provides a high-speed Quantum Efficiency (QE) measurement device that includes at least one device under test (DUT), at least one conditioned light source with a less than 50 nm bandwidth, where a portion of the conditioned light source is monitored. Delivery optics are provided to direct the conditioned light to the DUT, a controller drives the conditioned light source in a time dependent operation, and at least one reflectance measurement assembly receives a portion of the conditioned light reflected from the DUT. A time-resolved measurement device includes a current measurement device and/or a voltage measurement device disposed to resolve a current and/or voltage generated in the DUT by each conditioned light source, where a sufficiently programmed computer determines and outputs a QE value for each DUT according to an incident intensity of at least one wavelength of from the conditioned light source and the time-resolved measurement. | 09-02-2010 |
| 20100237227 | OPTICALLY GATED MEMS SWITCH - An optically powered MEMS gate driver includes a photovoltaic converter configured to receive a light signal from a light source and output a DC supply voltage for a MEMS gate driver in response thereto. The MEMS gate driver further includes a DC to DC converter electrically coupled to the photovoltaic converter and configured to output a line level DC voltage in response to the DC supply voltage. An electrical circuit, also included as a portion of the MEMS gate driver is electrically coupled to both the photovoltaic converter and the DC to DC converter is configured to receive the supply voltage and the line level voltage and to output a line level drive signal in response thereto. The optically powered MEMS gate driver is self-contained within a common EMI enclosure thus providing isolation between the gate driver and command signal electronics. | 09-23-2010 |
| 20100243863 | Combined Photoelectric Conversion Device - A multi-layer photoelectric conversion device and technology is disclosed. A first photoelectric converter is separated from a second photoelectric converter by an insulative layer. The photoelectric converters may be of a variety of types, and the insulative layer provides protection to reduce pinhole faults in the multi-layer photoelectric conversion device. | 09-30-2010 |
| 20100252715 | PHOTOCONTROL DEVICES AND METHODS FOR FORMING THE SAME - A photocontrol device for controlling a powered device includes a housing assembly defining a cavity and including a base assembly. The base assembly includes an outer base member having a base opening, and an inner base member separately formed from the outer base member and mounted in the base opening. A circuit board is disposed in the cavity. A photosensor is connected to the circuit board. An elongate contact member is mechanically and electrically coupled to the circuit board. The elongate contact member is mounted on and extends through the inner base member. The elongate contact member is adapted to electrically connect the photocontrol device with the powered device. | 10-07-2010 |
| 20100258706 | PHOTODETECTOR CIRCUIT AND ELECTRONIC DEVICE - Provided is a photodetector circuit having significantly low current consumption. The photodetector circuit includes two opposing P-channel metal oxide semiconductor (MOS) transistors each including a gate connected to a drain of the opposing P-channel MOS transistor. The drain of one of the P-channel MOS transistors is discharged with an ON-state current of an N-channel MOS transistor which is turned ON with a voltage generated in a photoelectric element. The drain of the other of the P-channel MOS transistors is discharged with an ON-state current of a depletion type N-channel MOS transistor including a gate to which a voltage of a reference power supply terminal is input, and a source to which the voltage generated in the photoelectric element is input. | 10-14-2010 |
| 20100294914 | METHOD AND DEVICE FOR DETECTING THE LIGHT POWER EMITTED BY AN LED LIGHT SOURCE - In a method and a device for detecting the light power emitted by an LED light source, the LED light source is driven with a drive signal corresponding to a binary code. The light emitted by the LED light source is detected by means of a sensor system. The output signal of the sensor system is evaluated in a control and regulating unit. The LED light source is driven with a binary code having an irregular bit sequence. | 11-25-2010 |
| 20100314529 | QUANTUM DOT OPTICAL DEVICES WITH ENHANCED GAIN AND SENSITIVITY AND METHODS OF MAKING SAME - Optical and optoelectronic devices and methods of making same. Under one aspect, an optical device includes an integrated circuit an array of conductive regions; and an optically sensitive material over at least a portion of the integrated circuit and in electrical communication with at least one conductive region of the array of conductive regions. Under another aspect, a method of forming a nanocrystalline film includes fabricating a plurality of nanocrystals having a plurality of first ligands attached to their outer surfaces; exchanging the first ligands for second ligands of different chemical composition than the first ligands; forming a film of the ligand-exchanged nanocrystals; removing the second ligands; and fusing the cores of adjacent nanocrystals in the film to form an electrical network of fused nanocrystals. Under another aspect, a film includes a network of fused nanocrystals, the nanocrystals having a core and an outer surface, wherein the core of at least a portion of the fused nanocrystals is in direct physical contact and electrical communication with the core of at least one adjacent fused nanocrystal, and wherein the film has substantially no defect states in the regions where the cores of the nanocrystals are fused. | 12-16-2010 |
| 20110073749 | Photosensor Circuit - A photosensor circuit including a first node, a level shifting circuit, a phototransistor and an inverter is provided. The first node has an operation voltage signal. The level shifting circuit is coupled to the first node for biasing the first node, so that the operation voltage signal is biased to an operation biasing level. The phototransistor is coupled to the first node for receiving an optical signal and accordingly generates a first electrical signal by means of controlling the level of the operation voltage signal. The inverter receives the first electrical signal and accordingly generates and outputs a second electrical signal, which indicates the intensity of the optical signal. | 03-31-2011 |
| 20110139960 | Optical receiver - An optical receiver suitable for connecting to a photodiode generating a photocurrent with a sensing resistor and a diode circuit in parallel with the sensing resistor to limit the voltage across the sensing resistor. The diode circuit allows for a larger resistor providing greater sensitivity without risking violating the necessary headroom available to the photodiode. | 06-16-2011 |
| 20110215221 | PHOTOELECTRIC SENSOR AND METHOD FOR AIDING OPERATIONAL CHECKING OF PHOTOELECTRIC SENSOR - A photoelectric sensor comprises a control unit which is configured to store in a memory data on the amount of received light input from a light-receiving unit or measurement data obtained by a measuring process, and to perform a sampling process in which the data stored in the memory are read at fixed intervals as sampling data, the sampling process being performed within a limited reading period. Further, the control unit outputs the thus read sampling data so as to correspond to the order in which they are stored in the memory. | 09-08-2011 |
| 20110233380 | MONOLITHICALLY INTEGRATED LIGHT-ACTIVED THYRISTOR AND METHOD - A monolithically integrated light-activated thyristor in an n-p-n-p-n-p sequence consists of a four-layered thyristor structure and an embedded back-biased PN junction structure as a turn-off switching diode. The turn-off switching diode is formed through structured doping processes and/or depositions on a single semiconductor wafer so that it is integrated monolithically without any external device or semiconducter materials. The thyristor can be switching on and off optically by two discrete light beams illuminated on separated openings of electrodes on the top surface of a semiconductor body. The carrier injection of the turning on process is achieved by illuminating the bulk of the thyristor with a high level light through the first aperture over the cathode to create high density charge carriers serving as the gate current injection and to electrically short the emitter and drift layer. The switching off of the thyristor is achieved by shorting the base layer and the cathode layer by illuminating the embedded back-biased PN junction of the TURN-OFF switching diode. The patterned doping profile and the interconnect between the emitter and the base region of the light activated thyristor makes possible a monolithic and/or plantar integrated fabrication of the semiconductor switching device on a single semiconductor wafer via the standard semiconductor fabrication process. | 09-29-2011 |
| 20110260034 | PHOTO DETECTION DEVICE - A photo detection device, which is disposed in a vehicle, includes a first photo detection element that detects light and a first signal processing unit that performs a predetermined process based on a detection result of the first photo detection element. The photo detection device also includes a first board on which the first photo detection element is mounted and a second board on which the first signal processing unit is mounted. Additionally, the photo detection device includes a holding member that holds the first board and the second board and a housing that accommodates the holding member. The holding member holds the first board and the second board such that the second board is arranged in a second plane different from a first plane in which the first board is arranged. | 10-27-2011 |
| 20110315852 | SCANNER ARRANGEMENT - The invention relates to a sensor arrangement for scanning a scanning area ( | 12-29-2011 |
| 20120043454 | SAMPLING AND HOLDING CIRCUIT, METHOD OF DRIVING THE SAME AND IMAGING APPARATUS - A sampling and holding circuit includes an amplifier (A) that amplifies a signal, a holding capacitor (Ch) that stores the signal, and a switch (S) connected between an output terminal of the amplifier and the holding capacitor. In a state in which the switch is on, the amplifier amplifies the signal with a first signal bandwidth, and subsequently, in a state in which the switch is on, the amplifier amplifies the signal with a second signal bandwidth, which is narrower than the first signal bandwidth, and subsequently the switch is turned off while the amplifier still amplifies the signal with the second signal bandwidth. | 02-23-2012 |
| 20120112037 | THREE-DIMENSIONAL IMAGING DEVICE - An image capture device according to the present invention includes an imaging lens | 05-10-2012 |
| 20120126093 | Device and Method for Preventing Detection or Speed Detection by External Laser Measuring Apparatus - A vehicle with a device including a central processing unit, at least one detector with at least one detection surface and designed for detecting, in a detection direction, laser pulses or a light beam coming from an external measuring apparatus which emits laser pulses or light beams for the purpose of detecting a vehicle and/or measuring the speed of a vehicle, and at least one transmitter with a transmission surface and which is designed for transmitting light pulses in a transmission direction that is substantially the same as said detection direction. The central processing unit causes the transmitter to transmit a series of light pulses upon detection of laser pulses or a light beam. The detection surface and the transmission surface are oriented substantially transversely to the driving direction of the vehicle. | 05-24-2012 |
| 20120168607 | IMAGING SYSTEM AND METHOD USING SPATIALLY SEPARATED RADIATED FIELDS - Methods and systems for use in imaging an imaging domain that spatially separate a scattered field and reconstruct an image based on the spatially separated scattered field (e.g., for use in microwave imaging applications including tumor detection in human tissue, etc.). | 07-05-2012 |
| 20120181417 | METHOD AND IMAGE SENSOR WITH EXTENDED PIXEL DYNAMIC RANGE INCORPORATING TRANSFER GATE WITH POTENTIAL WELL - A charge transfer transistor includes: a first diffusion region and a second diffusion region; a gate for controlling a charge transfer from the first diffusion region to the second diffusion region by a control signal; and a potential well incorporated under the gate, wherein the first diffusion region is a pinned photodiode. A pixel of an image sensor includes: a photodiode for generating and collecting a photo generated charge; a floating diffusion region for serving as a photo generated charge sensing node; a transfer gate for controlling a charge transfer from the photodiode to the floating diffusion region by a control signal; and a potential well incorporated under the transfer gate. | 07-19-2012 |
| 20120193514 | Laser-Pointer-Controlled Diorama - The Invention outlines a method of incorporating a laser pointing device, an optical sensor target device, and a communication by laser beam between the laser-pointer device and the optical sensor target device with the goal of effecting the activation or control of a device embodied in a model railroad or diorama. The Invention includes details of an apparatus incorporating an optical sensor target that can distinguish between the states of being hit and being not hit by a laser beam that is emitted from a laser pointing device that is aimed at the target for the purpose of activating or controlling a device embodied in a model railroad or diorama, and presents that fact to another device via an appropriate electrical circuit. | 08-02-2012 |
| 20120205519 | Method for Generating Images with an Expanded Dynamic Range and Optical Device for Carrying Out Such a Method, in Particular a Laser Scanner Microscope - Method and apparatus for generating an at least two-dimensional image of at least part of a sample. The method involves scanning the sample. Acquiring at least one light signal by an optoelectronic detector for different areas of the sample. Converting the light signal into an electrical signal. Distributing the electrical signal onto several parallel evaluation channels whose signal evaluations differ from each other so that their dynamic ranges are different. Generating a result signal in each evaluation channel. Selecting at least one of the result signals as a function of one of the result signals in order to generate the image for the sample range concerned. It is also possible to generate one intermediate result signal for each channel, typically from the respective actual result signal and one or more other sources. Thus the signal selection depending on both the result signals and the intermediate result signals are possible. | 08-16-2012 |
| 20120211639 | OPTICAL SENSOR AND ELECTRONIC EQUIPMENT - The optical sensor includes a photodiode PD | 08-23-2012 |
| 20120223213 | PHYSIOLOGICAL SENSOR HAVING REDUCED SENSITIVITY TO INTERFERENCE - A physiological sensor having reduced sensitivity to interference includes a light source, a light detector in optical communication with the light source, and a sensor pad at least partially housing the light source and the light detector. The sensor pad is configured to be capacitively isolated from a patient. Moreover, the physiological sensor may be electrically connected to an amplifier having a signal ground and a monitor. | 09-06-2012 |
| 20120228470 | MINIMIZING AMBIENT LIGHT IN A FEEDBACK CIRCUIT IN PULSE OXIMETER TEST INSTRUMENTS - Generally described, one or more embodiments of the present disclosure are directed to pulse oximeter test instruments for testing pulse oximeters. The pulse oximeter test instruments are configured to linearize a relationship between an input signal and an output signal of a light emitting diode (LED). In some embodiments, the linearized relationship may be obtained by minimizing an amount of ambient light detected by a photosensor in a feedback loop. The photosensor may be located in a housing that limits the amount of ambient light that may be detected. | 09-13-2012 |
| 20120228471 | Primary light converter for converting primary light into secondary light - The invention relates to a primary light converter ( | 09-13-2012 |
| 20120286136 | LIDAR SYSTEM AND METHOD FOR MONITORING SPACE - A device for detecting a presence of an object includes an optical phased array, a detector, a processing portion and an indicator. The optical phased array can transmit a first optical beam to a first location at a first time and can transmit a second optical beam to a second location at a second time. The detector can detect a first reflected beam based on the first optical beam and can detect a second reflected beam based on the second optical beam. The processing portion can determine the presence of the object based on the first reflected beam and the second reflected beam. The indicator can generate an indicator signal based on the presence of the object. | 11-15-2012 |
| 20120312960 | IMAGING APPARATUS AND EXPOSURE CONTROL METHOD - A control unit sets a first control value for causing a charge accumulation unit to execute a first accumulation and obtaining first image data and a second control value for causing the charge accumulation unit to execute a second accumulation and obtaining second image data, depending on whether an operation mode set by a setting unit executes image recognition processing based on image data obtained through accumulation by the charge accumulation unit. If the operation mode set by the setting unit does not execute the image recognition processing, the control unit sets the first and second control values to be different from each other, even if an object field has a constant luminance. | 12-13-2012 |
| 20120312961 | SETTING IMAGING PARAMETERS FOR IMAGE GUIDED RADIATION TREATMENT - Systems, methods, and apparatuses are provided for setting imaging parameters for image guided radiation treatment. One system includes an imaging element configured to generate an observation of an object in accordance with a first value of an adjustable parameter. The object is associated with a volume of interest (VOI), wherein the VOI is a volume within a body of a patient. The system further includes one or more processors configured to determine a positioning of the VOI based at least in part on the observation of the object, determine a second value of the adjustable parameter based at least in part on a positioning parameter associated with the positioning of the VOI, and assist in providing the second adjustable parameter to the imaging element. | 12-13-2012 |
| 20120326006 | OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device is provided with a light emitting device, a light receiving device, and a base member on which the light emitting device and the light receiving device are mounted side by side. The light emitting device is provided with a laser light source, a collimator lens, a light separating element which reflects a part of laser light and transmits a part of the laser light, a diffractive optical element which converts the reflected laser light into laser light having a dot pattern, a photodetector which receives the transmitted laser light, and a laser controller which controls a light emission amount of the laser light source based on a detection signal from the photodetector. The laser light source, the collimator lens and the light separating element are linearly arranged, and the diffractive optical element faces a target area. | 12-27-2012 |
| 20130001397 | LOW-ENERGY-CONSUMPTION DETECTION SYSTEM - The invention relates to a detection system comprising:
| 01-03-2013 |
| 20130009036 | LIGHT SOURCE SELECTION - The invention relates to selecting a light source from a plurality of light sources, particularly to the selecting of a light source by pointing to it with a light source selection device. An embodiment of the invention relates to a light source selection device ( | 01-10-2013 |
| 20130020463 | IMAGE-SENSING DEVICES AND METHODS OF OPERATING THE SAME - In a method of operating an image sensor, a noise voltage of a floating diffusion region is sampled after a reset voltage is applied to the floating diffusion region. A storage region, in which a photo-charge is stored, is electrically connected to the floating diffusion region after sampling the noise voltage, and a demodulation voltage of the floating diffusion region is sampled after the storage region and the floating diffusion region are electrically-connected. A voltage is determined based on the noise voltage and the demodulation voltage. | 01-24-2013 |
| 20130032691 | IMAGE SENSOR - An image sensor for reducing a sampling time by shortening a stabilization duration is provided. The image sensor includes a pixel unit, a sampling unit sampling a signal from an output node of the pixel unit, a sinking unit sinking current from the output node of the pixel unit, and a current controller controlling the amount of current in the sinking unit. | 02-07-2013 |
| 20130062502 | PHOTODETECTOR AND METHOD FOR MANUFACTURING THE SAME - A photodetector includes a substrate and an insulating arrangement formed in the substrate. The insulating arrangement electrically insulates a confined region of the substrate. The confined region is configured to generate free charge carriers in response to an irradiation. The photodetector further includes a read-out electrode arrangement configured to provide a photocurrent formed by at least a portion of the free charge carriers that are generated in response to the irradiation. The photodetector also includes a biasing electrode arrangement that is electrically insulated against the confined region by means of the insulating arrangement. The biasing electrode arrangement is configured to cause an influence on a spatial charge carrier distribution within the confined region so that fewer of the free charge carriers recombine at boundaries of the confined region compared to an unbiased state. | 03-14-2013 |
| 20130068926 | OPTICAL SENSOR AND ELECTRONICS DEVICE - When no light enters a photodiode, a second current mirror circuit operates. Consequently, a current that decreases a potential difference between two terminals of a light-receiving element flows into a transistor of the second current mirror circuit and an output of an optical sensor becomes low. Meanwhile, when light enters the photodiode, a transistor of the light-receiving element is turned on and the second current mirror circuit stops operating. Consequently, the current that decreases the potential difference between the two terminals of the light-receiving element is stopped in the transistor of the second current mirror circuit and the output of the optical sensor becomes high. This makes it possible to provide an optical sensor that has a circuit in which an output of a light-receiving element does not depend on a photocurrent and that is capable of operating at a high speed. | 03-21-2013 |
| 20130068927 | SCANNING OPTICAL SYSTEM MANUFACTURING METHOD, BEAM INSPECTION METHOD, AND BEAM INSPECTION APPARATUS - A scanning optical system manufacturing method includes receiving a scanning beam, emitted from a scanning unit including an incident optical system and a deflecting device and passed through an image-forming optical system, in an area having a width in the main scanning direction narrower than a spot diameter of the scanning beam by a light-receiving unit configured to be capable of being displaced at each image height position in the main scanning direction, calculating, based on an output of the light-receiving unit, a peak light quantity at each image height position of the scanning beam, smoothing distribution data of the peak light quantity at each of the image height position acquired by the calculating, and determining, based on the data acquired by the smoothing, either nondefective/defective states of the scanning unit and the image-forming optical system or a nondefective/defective state of only the image-forming optical system. | 03-21-2013 |
| 20130068928 | HIGH-SPEED ANALOG PHOTON COUNTER AND METHOD - A high speed analog photon counter and method is provided. In one aspect, the method includes delivering an electric charge to a circuit of the high speed analog photon counter through a current source of the circuit. The method also includes accumulating the electric charge in a capacitor of the circuit electrically coupled to the current source. The method further includes comparing the electric charge accumulated in the capacitor of the circuit with a reference voltage through a comparator of the circuit electrically coupled to an output of the capacitor. The output of the capacitor of the circuit is coupled to an input of the comparator of the circuit, and the reference voltage is coupled to another input of the comparator of the circuit. The method furthermore includes resetting the capacitor of the circuit when the electric charge accumulated in the capacitor of the circuit matches the reference voltage. | 03-21-2013 |
| 20130087682 | PHOTOELECTRIC CONVERSION DEVICE, IMAGING DEVICE, AND METHOD FOR DRIVING PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes, in the following order: a first electrode; an electron blocking layer; a photoelectric conversion layer containing a merocyanine dye; a hole blocking layer; and a transparent electrode as a second electrode, and an absorption maximum wavelength in a thin film absorption spectrum of the photoelectric conversion layer containing a merocyanine dye is within a range of from 400 to 520 nm. | 04-11-2013 |
| 20130099090 | TWO-STEP ANALOG-DIGITAL CONVERTING CIRCUIT AND METHOD - A two-step analog-digital converting circuit includes a comparator, an upper bit counter and a pulse residue conversion unit. The comparator is configured to compare a ramp signal and an input signal, and to output a resulting comparative signal. The upper bit counter is configured to receive the comparative signal and a clock signal, and to output upper bit values corresponding to a first time interval between a generation time point of the ramp signal and a first edge of the clock signal, the first edge of the clock signal immediately preceding a state transition time point of the comparative signal. The pulse residue conversion unit is configured to receive the comparative signal and the clock signal, and to output lower bit values corresponding to a second time interval between the first edge of the clock signal and the state transition time point of the comparative signal. | 04-25-2013 |
| 20130099091 | DEVICE HAVING AN AVALANCHE PHOTO DIODE AND A METHOD FOR SENSING PHOTONS - A semiconductor device that may include an avalanche photodiode (APD), the APD may include: a first doped region of a first polarity; a buried guard ring of a second polarity, the second polarity is opposite to the first polarity, the buried guard ring is spaced apart from the first doped region and is positioned below the first doped region; a well of the second polarity, wherein the well interfaces the first doped region to form a p-n junction; and a second doped region of the second polarity, the second doped region is spaced apart from the first doped region. | 04-25-2013 |
| 20130105663 | MEMBER FOR SOLID-STATE IMAGE PICKUP DEVICE AND METHOD FOR MANUFACTURING SOLID-STATE IMAGE PICKUP DEVICE | 05-02-2013 |
| 20130112848 | Flexible Readout and Signal Processing in a Computational Sensor Array - A computational sensing array includes an array of sensing elements. In each sensing element, a first signal is generated from a transducer. A second signal is produced by a collection unit in response to receiving the first signal. The second signal may be modified, in a conditioning unit. A sensing element preprocessing unit generates a word representing the value of the modified second signal, and may produce an indication of change of the first signal. A current value of the word may be stored in a state holding element local to the sensing element, and a previous value of the word may be retained in a further state holding element local to the sensing element. | 05-09-2013 |
| 20130126701 | OPTICAL SENSING SYSTEM WITH A PHASE SENSITIVE AMPLIFIER AND ASSOCIATED METHODS - An optical sensing system includes a transmitter configured to transmit a free-space optical signal toward a target, and a receiver configured to receive a reflected free-space optical target signal from the target. The receiver includes a phase sensitive amplifier (PSA), a homodyne detector coupled downstream from the PSA, and a controller configured to adjust a phase of the PSA based upon the homodyne detector. | 05-23-2013 |
| 20130126702 | OPTICAL SENSOR DEVICE - An optical sensor element is mounted in a package which includes a glass lid substrate ( | 05-23-2013 |
| 20130126703 | Imaging Detecting with Automated Sensing of an Object or Characteristic of that Object - Detection of a target object or a characteristic of that object, e.g. temperature or movement in an image of a scene at a focal plane of the image and with processing of signals representative of the image occurring at that focal plane with a sensor and an integrated circuit processor on an imaging circuit chip used to record the scene. Moreover, processing of the signals representative of the image and the object or characteristic of the object can all be processed in parallel. This arrangement allows for filtering of objects with the ability to distinguish the object generating signals from background clutter. The incorporation of the entire circuit in this integrated circuit chip increases the compactness and efficiency. Moreover, all signal processing will occur at the focal plane eliminates the need for external processing electronics thereby increasing compactness and efficiency while reducing spatial noise. | 05-23-2013 |
| 20130140431 | APPARATUS AND METHOD FOR MEASURING A LUMINESCENT DECAY - [Problem] An apparatus and method for measuring luminescence decay due to the lifetime of energy carriers inside a material such as a semiconductor is presented. | 06-06-2013 |
| 20130146746 | PHOTOELECTRIC CONVERTER - A photoelectric converter includes a circuit board, a laser diode electrical mounted on the circuit board, a supporting frame, an optical transmission member mounted on the supporting frame, a beam splitting assembly and an optical sensor positioned beside the beam splitting assembly. The laser diode, the beam splitting assembly and the optical sensor are received in a space cooperatively defined by the supporting frame and the optical transmission member. The laser diode emits optical signals. A part of optical signals is refracted by the beam splitter and transmitted to the optical transmission member, and the other part of optical signals is reflected by the beam splitter to the optical sensor. | 06-13-2013 |
| 20130153747 | INPUT DEVICE - There is provided an input device including: a housing having a surface on which a plurality of grids are disposed; a light emitting unit irradiating light onto the surface of the housing; a light receiving element detecting the light irradiated from the light emitting unit and reflected from the surface; and a control unit determining information regarding an object contacting the surface from the light detected by the light receiving element. | 06-20-2013 |
| 20130181110 | DATA TRANSMISSION THROUGH OPTICAL VIAS - Technologies generally described herein relate to multilayer circuit boards with optical vias for data transmission between the layers. One or more regions may be created on a multilayer circuit board for optical vias. A transparent conducting oxide (TCO) layer can be deposited on a top and/or bottom layer of the circuit board. P-N junctions can be created over the TCO layer about the one or more regions to form optical vias as photo-emitting and/or photo-detecting components. The photo-emitting and/or photo-detecting components may be coupled to electronic components on the multilayer circuit board. | 07-18-2013 |
| 20130181111 | LIGHT MEASURING CIRCUIT AND METHOD - A light measuring circuit includes an integration circuit for integrating a current supplied form a photoelectric conversion element, an AD converter for AD converting the output voltage of the integration circuit, and a controller for obtaining a first AD conversion result from the AD converter and controlling the integration circuit and the AD converter to determine the time constant of the integration circuit in a second AD conversion following a first AD conversion. In this way, it is possible to measure the photocurrent with a wide dynamic range without making the circuit more complicated. | 07-18-2013 |
| 20130193304 | OPTICAL MODULE - An optical module includes a circuit board including a mount surface and a non-mount surface opposite the mount surface, a photoelectric conversion element mounted on the mount surface of the circuit board, an optical coupling member for holding an optical fiber and optically coupling the optical fiber and the photoelectric conversion element, a semiconductor circuit element mounted on the mount surface of the circuit board, and electrically connected to the photoelectric conversion element, a plate-shaped supporting member arranged so as to sandwich the optical coupling member between the supporting member and the circuit board, and an electrically conductive body supported by the supporting member, extended in a thickness direction of the supporting member, and connected at one end to an electrode provided on the non-mount surface of the circuit board. | 08-01-2013 |
| 20130200250 | SYSTEM AND METHOD OF ELECTROMAGNETIC RADIATION CONTROL - A method of compensating for electromagnetic radiation. The method may include measuring electromagnetic radiation emanating from circuitry at a first frequency and adjusting at least one of the electrical settings of the circuitry based on the measurement of the electromagnetic radiation to reduce the electromagnetic radiation at the first frequency emanating from the circuitry. | 08-08-2013 |
| 20130214123 | INTERFERENCE FILTER, OPTICAL MODULE, AND ELECTRONIC APPARATUS - An interference filter includes a first substrate, a second substrate opposed to the first substrate, a first optical film provided to the first substrate, and a second optical film provided to the second substrate and opposed to the first optical film, at least one of the first and second optical films has a metal film having a reflecting property and a transmitting property with respect to light in a desired wavelength band, a surface and an edge portion of the metal film are covered by a barrier film, and the barrier film is formed of a material having conductivity. | 08-22-2013 |
| 20130221193 | AVALANCHE PHOTODIODE RECEIVER - A method of operating an avalanche photodiode includes providing an avalanche photodiode having a multiplication region capable of amplifying an electric current when subject to an electric field. The multiplication region, in operation, has a first ionization rate for electrons and a second, different, ionization rate for holes. The method also includes applying the electric field to the multiplication region, receiving a current output from the multiplication region, and varying the electric field in time, whereby a portion of the current output is suppressed. | 08-29-2013 |
| 20130228670 | PHOTOELECTRIC CONVERSION ELEMENT UNIT AND IMAGE PICKUP APPARATUS - A photoelectric conversion element unit includes a package includes a package including a photoelectric conversion element configured to perform a photoelectric conversion for an optical image of an object, a substrate mounted with an electronic component that includes a drive circuit configured to drive the photoelectric conversion element and a signal processing circuit configured to process a signal from the photoelectric conversion element, and a fixing plate having an opening, wherein the package and the electronic component are adjacent to each other in a direction orthogonal to an optical axis in the opening, and the package and the substrate are fixed onto the fixing plate. | 09-05-2013 |
| 20130240706 | Transmitting Light with Lateral Variation - Input light, such as from an optical sensor or stimulus-wavelength converter, includes one or more light or dark sub-bands. The input light is transmitted, such as through a transmissive layer or transmission component, to obtain effects due to transmission with lateral variation. A detector can, for example, obtain spectral information or other photon energy information about the sub-bands due to lateral variation. For each light or dark sub-band, a transmission component can, for example, provide a respective light or dark spot, and spot position can be used to obtain spectral information such as absolute wavelength or wavelength change. A photosensing component can sense or detect transmitted light or output photons, such as with a photosensor array or a position-sensitive detector. Circuitry can use photosensed quantities to obtain, e.g. a differential signal or information about time of wavelength change. | 09-19-2013 |
| 20130248683 | DETECTING DEVICE AND METHOD FOR DETECTING AN EDGE OF TRANSPARENT MATERIAL - A detecting device includes an actuating unit for driving a transparent material, a light source for emitting light to the transparent material driven by the actuating unit, a light sensor for sensing the light emitted from the light source as an edge of the transparent material is moved to different positions relative to the light source so as to generate a corresponding optical intensity signal, a transforming circuit coupled to the light sensor for transforming the optical intensity signal into a transforming signal, and a processing unit coupled to the transforming circuit for determining whether the edge of the transparent material is moved to a position between the light source and the light sensor according to the transforming signal transmitted from the transforming circuit. | 09-26-2013 |
| 20130256507 | PHOTODETECTOR CIRCUIT - Light from a photodiode is detected using a phototransistor. At the time of startup, set data concerning a detected current is received at a communication interface, and the received set data is compared with the detected current. A control unit adjusts a current of the phototransistor so that the detected current matches the set data. | 10-03-2013 |
| 20130256508 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device is provided that has high linearity of output current to illuminance and is applicable to illumination sensors. The photoelectric conversion device outputs appropriate current by complementing first current, which is generated in response to incident light, with complementary current. The complementary current is generated based on second current flowing in response to the light. The second current is generated by a device having the same element area as that of a device that generates the first current. When the second current flows, the complementary current is generated based on a direction of the second current and is then added to the first current. | 10-03-2013 |
| 20130264461 | RADIATION DETECTING APPARATUS - A radiation detecting apparatus includes a radiation detector, an electrical circuit configured to perform at least one of transmission and reception of an electrical signal to and from the radiation detector, and a deflection adjusting member configured to adjust a deflection of the radiation detecting apparatus. The radiation detector and the electrical circuit are formed as an integral unit. | 10-10-2013 |
| 20130284884 | PLASMA PANEL BASED RADIATION DETECTOR - A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value. | 10-31-2013 |
| 20130292546 | OPTICALLY-INDUCED CHARGE SEPARATION AND INDUCED MAGNESTISM IN DIELECTRICS FOR OPTICAL ENERGY CONVERSION AND INTENSE MAGNETIC FIELD GENERATION - Schemes are described to produce quasi-static charge separation, Terahertz radiation, and programmable magnetic field generation using linearly-polarized light in unbiased, transparent insulators. The methods exploit a recently-observed magneto-electric optical nonlinearity that produces intense magnetization in undoped, homogeneous dielectrics. Analysis reveals that strong magnetic effects can be induced at modest optical intensities even with incoherent light. Consequently, efficient solar power conversion is feasible without the semiconductor processing or electron-hole pair generation that is required in conventional photovoltaic cells. Additionally, conditions and techniques are described to generate intense THz radiation in unbiased substrates and large magnetic fields orientated transverse to the direction of propagation of light, without the need for any external permanent magnetic or electromagnetic apparatus. | 11-07-2013 |
| 20130299673 | DISCRIMINATING PHOTO COUNTS AND DARK COUNTS IN AN AVALANCHE PHOTODIODE OUTPUT - The output of an avalanche photodiode (APD) comprises a “photocurrent” component comprising photon initiated events resulting from the interaction of photons with the APD and a “dark current” component comprising dark carrier events arising in the APD even when the APD is not exposed to light. Differences in the pulse height distributions of photon initiated events and dark carrier initiated events are used to statistically discriminate between photocurrent and dark current components of APD output. | 11-14-2013 |
| 20130306837 | OPTICAL-ELECTRICAL CONVERTING DEVICE - An optical-electrical converting device includes a substrate, an electrical circuit layer, at least one auxiliary pad, and an optical-electrical converting lens. The electrical circuit layer includes at least one circuit portion. The optical-electrical lens includes at least one first supporting portion and at least one second supporting portion. Each of the at least one first supporting portion is positioned on a respective one of the at least one first circuit portion, and each of the at least one second supporting portion is positioned on a respective one of the at least one auxiliary pad. The electrical circuit layer and the at least one auxiliary pad are arranged on the substrate. The thickness of the at least one first circuit portion layer is substantially equal to the thickness of the at least one auxiliary pad. | 11-21-2013 |
| 20130306838 | VARIABLE-WAVELENGTH INTERFERENCE FILTER, OPTICAL FILTER DEVICE, OPTICAL MODULE AND ELECTRONIC APPARATUS - A variable-wavelength interference filter includes: a first substrate; a second substrate facing the first substrate; a first reflection layer provided on a surface facing the second substrate, of the first substrate; a second reflection layer which is provided on a surface facing the first substrate, of the second substrate, and faces the first reflection layer via an inter-layer gap; and an electrostatic actuator which flexes the second substrate in a direction toward the first substrate and thus changes the inter-layer gap. The first reflection layer and the second reflection layer have a reflectance characteristic showing a higher reflectance to light with a second wavelength that is shorter than a first wavelength, than a reflectance to light with the first wavelength. | 11-21-2013 |
| 20130306839 | PHOTODETECTOR - Provided is a photodetector including a light receiving portion that accumulates and outputs the amount of received observation light as electric charges; an offset portion that adds an offset signal to an output signal from the light receiving portion; an AD conversion portion that AD-converts the sum of the output signal and the offset signal obtained by the offset portion; a control unit that controls the AD conversion portion such that it A-D converts said sum when the light receiving portion is charged and discharged; and an offset correcting portion that corrects the offset signal by adjusting the value of the offset signal contained in the black level value such that the black level value obtained by the AD conversion portion from said sum when the capacitor is discharged becomes equal to a predetermined target value. | 11-21-2013 |
| 20130313407 | ARRANGEMENT AND METHOD FOR DETECTING AND INDICATING LASER RADIATION - The invention relates to an arrangement and a method for detecting and indicating laser radiation comprising a laser device ( | 11-28-2013 |
| 20130327920 | METHOD FOR DETECTING LIGHT AMOUNT UNIFORMITY OF LIGHT-EMITTING DEVICE - A method for detecting light amount uniformity is applicable to a light-emitting device including a plurality of light-emitting elements. First, the light-emitting device is placed in a sensed region of a photo-sensing apparatus. Then, the following steps are executed N times: during the nth execution, turning on the (n+i×N)th light-emitting element, where i is 0 or a positive integer, n is less than or equal to N, and n and N are positive integers; detecting light emission of the light-emitting element with the photo-sensing apparatus to produce a scanned image; and finally, comparing whether the bright spots corresponding to the light-emitting elements in the scanned images produced through the N steps are consistent, and outputting an output signal indicating whether the light-emitting device is normal or abnormal. | 12-12-2013 |
| 20130341486 | APPARATUS FOR OBTAINING 3D INFORMATION USING PHOTODETECTOR ARRAY - The present disclosure relates to an apparatus for obtaining 3D information using a photodetector array. The apparatus for obtaining 3D information includes: a light source unit configured to generate an optical signal of a predetermined wavelength band; a light transmission optical lens unit provided on a path of the optical signal and configured to emit the optical signal output from the light source unit in parallel or at a predetermined angle; an optical scanning unit configured to scan the light output from the light transmission optical lens unit to a surface of an object to be measured; a light reception optical lens unit configured to collect the light reflected from the surface of the object; and a photodetection unit configured to convert collected optical signals into respective electrical signals by arraying one or more photodetectors such that light reception portions thereof are collected at a center. | 12-26-2013 |
| 20130341487 | Single Photon-Counting Imaging System and Method Thereof - The invention relates to a single-photon counting imaging system and a single-photon counting imaging method. The system comprises a optical filter, a first lens, a digital micro-mirror device (DMD) control system, a second lens, a single-photon counter and a data processing unit, where the DMD together with the first lens and the second lens are used for converting two-dimensional image data into a one-dimensional sequence to complete sampling of measured signals; the ultra-weak light is filtered by the optical filter, after which the ultra-weak light image onto the DMD through the first lens, and the DMD control system controls the probability of the photons reflected to the second lens and the second lens controls the focusing of the photons; and the data processing unit together with the single-photon counter to complete sparse reconstruction, and the data processing unit converts the number of photons counted by the single-photon counter within a certain period of time into the probability of detected photon counts, as the measured value, and a photon density image is reconstructed by adopting an optimization algorithm based on the measurement matrix on the DMD and the measured value, thereby solving out the two-dimensional image. | 12-26-2013 |
| 20140001336 | SOLAR POWERED RADIO FREQUENCY TRANSMITTER | 01-02-2014 |
| 20140021330 | PHOTODETECTOR WITH INTEGRATED MICROFLUIDIC CHANNEL AND MANUFACTURING PROCESS THEREOF - A photodetector including: a photodiode having a body made of semiconductor material delimited by a first surface, the body forming a first electrode region; a dielectric region, set on top of the first surface and delimited by a second surface; at least one channel extending within the dielectric region, starting from the second surface; and a first metallization, which is set on top of the second surface and is in electrical contact with the first electrode region. | 01-23-2014 |
| 20140021331 | PROXIMITY SENSING METHOD - The present invention relates to a proximity sensing method for proximity sensing unit in a mobile device. The proximity sensing method comprises steps of comparing a sensed value of the proximity sensing unit with a predetermined offset value or a first predetermined range to determine if the sensed value is smaller than the predetermined offset value or if the sensed value is within the first predetermined range; and providing an offset value for confirming if an object is near the mobile device according to the determination that if the sensed value is smaller than the predetermined offset value or within the first predetermined range. | 01-23-2014 |
| 20140027607 | High-Repetition-Rate Single-Photon Receiver and Method Therefor - A single-photon receiver and method for detecting a single-photon are presented. The receiver comprises a SPAD that receives a gating signal having a fundamental frequency in the 100 MHz to multiple GHz range. The receiver further comprises a two-stage frequency filter for filtering the output of the SPAD, wherein the filter has: (1) a notch filter response at the fundamental frequency; and (2) a low-pass filter response whose cutoff frequency is less than the first harmonic of the fundamental frequency. As a result, the frequency filter removes substantially all the frequency components in the SPAD output without significant degradation of the signal quality but with reduced complexity, cost, and footprint requirement relative to receivers in the prior art. | 01-30-2014 |
| 20140027608 | FILM AND LIGHT GUIDE HAVING POSITION INFORMATION AND POSITION DETECTING SYSTEM UTILIZING THE FILM OR THE LIGHT GUIDE - A position detecting system, which comprises: a position information providing apparatus, comprising a light emitting-out side, having at least one position information region distributed on an outer surface of the light emitting-out side, wherein light has position information from the position information region when the light emits out from at least part of the light emitting-out side; a transceiver, for receiving the light with the position information; and a processor, for determining a relative position between the transceiver and the position information providing apparatus according to the position information received by the transceiver. | 01-30-2014 |
| 20140027609 | Implement Multiple Pixel Output for Photodiode Size Pixels - An image sensor pixel the conformist single pixel of a larger array. The image sensor pixel can be a large one, such as larger than 100 μm. The image sensor pixel has readout notes on multiple sides thereof, e.g. on to work for sides, that are symmetrically located on the pixel. The readout notes are simultaneously read out to read out a part of the image from the pixel. | 01-30-2014 |
| 20140027610 | PRECISION CHARGE INJECTOR - A method and circuit for injecting charge into a circuit node, comprising (a) resetting a capacitor's voltage through a first transistor; (b) after the resetting, pre-charging the capacitor through the first transistor; and (c) after the pre-charging, further charging the capacitor through a second transistor, wherein the second transistor is connected between the capacitor and a circuit node, and the further charging draws charge through the second transistor from the circuit node, thereby injecting charge into the circuit node. | 01-30-2014 |
| 20140061431 | IMAGING DEVICE, INSPECTION APPARATUS, AND METHOD OF MANUFACTURING ELECTRONIC DEVICE - The imaging device includes a sensor substrate, a light-blocking substrate, a light-collecting substrate, a sealing material, and a light-transmitting member. The light-transmitting member includes a light-transmitting base disposed to be in contact with either the sensor substrate or the light-blocking substrate, and a light-transmitting resin which is filled between the base and the sensor substrate or the light-blocking substrate. A void is formed in at least a part of a space between the sealing material and the light-transmitting member. | 03-06-2014 |
| 20140110562 | OPTOELECTRONIC DEVICE - An optoelectronic device includes a packaged part and a core component. The core component includes a chip subcarrier and an optoelectronic chip. The device also includes a connecting plate that forms a coplanar waveguide transmission line together with the ground through a high-frequency transmission line and an isolation dielectric. The coplanar waveguide transmission line and a low-frequency line are connected to the packaged part and the core component and are configured to transmit a high-frequency signal and a low-frequency signal between the packaged part and the core component. | 04-24-2014 |
| 20140117201 | OPTICAL SENSING ELEMENT ARRANGEMENT WITH INTEGRAL PACKAGE - A sensor assembly is disclosed that includes a hollow casing having a radiation entrance opening. A radiation-transmissive optic is at the radiation entrance opening. A substrate is inside and sealed against the hollow casing. An optical sensing element is coupled to the substrate and configured to sense radiation that has passed through the radiation-transmissive optic. A method of manufacturing the sensor assembly also is disclosed. | 05-01-2014 |
| 20140117202 | DRIVER CIRCUIT AND READOUT CIRCUIT - A driver circuit outputs a result of classifying and counting photons based on one or more energy levels to a column line. The driver circuit includes a multiplexer for receiving the result from a counter, a driving inverter for receiving a signal from the multiplexer and a power supply, and a switch connected between the power supply and an input terminal of the driving inverter. | 05-01-2014 |
| 20140131549 | THROUGH SILICON OPTICAL INTERCONNECTS - Some implementations provide a semiconductor device that includes a first die and an optical receiver. The first die includes a back side layer having a thickness that is sufficiently thin to allow an optical signal to traverse through the back side layer. The optical receiver is configured to receive several optical signals through the back side layer of the first die. In some implementations, each optical signal originates from a corresponding optical emitter coupled to a second die. In some implementations, the back side layer is a die substrate. In some implementations, the optical signal traverses a substrate portion of the back side layer. The first die further includes an active layer. The optical receiver is part of the active layer. In some implementations, the semiconductor device includes a second die that includes an optical emitter. The second die coupled to the back side of the first die. | 05-15-2014 |
| 20140138518 | OPTICAL DETECTION APPARATUS - An optical detection apparatus is configured to transmit pulses into a detection zone after one another in different directions which follow one another in a scanning direction over a scanning angle, to receive the radiation of the transmitted pulses returning from the detection zone, to generate a received signal with respect to each transmitted pulse, said received signal depending on the variation with time of the returning radiation of the transmitted pulse, and to average the received signals of a group of transmitted pulses to generate an averaged received signal. The angular extent relating to the scanning angle of at least one transmitted pulse of the group at a spacing from the detection apparatus disposed within the detection zone is at most 25 times the size of the angular spacing relating to the scanning angle between two transmitted pulses of the group directly adjacent one another in the scanning direction. | 05-22-2014 |
| 20140145064 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes a circuit board, a light emitting module, a light receiving module, and an optical coupling lens. The circuit board includes two protrusions apart from each other. The light emitting module and the light receiving module are mounted on the circuit board and are apart from each other. The optical coupling lens includes a light incident surface, a first converging lens, a second converging lens and two through holes are defined therein for locating purposes. The first converging lens and the second converging lens are formed on the light incident surface. Centers of the through holes are aligned with centers of the protrusions to ensure the perfect alignment of the light emitting module with the first converging lens, and the perfect alignment of the light receiving module with the second converging lens. | 05-29-2014 |
| 20140145065 | Photoelectric Sensor - Provided is a photoelectric sensor that enables intuitive sensitivity adjustment while ensuring a wide dynamic range, and ease grasp of an adjustment state. The photoelectric sensor includes: an adjusting device having a variable resistor embedded in at least one of a driving circuit and a light receiving circuit, and configured to change a resistance value of the variable resistor according to a rotational position of a rotatable adjusting element; an evaluator configured to generate a determination signal based on a comparison result between a light receiving signal superimposed on a reference level and a threshold value; a margin ration calculator configured to calculate a ratio of an amount of a light receiving signal in the light receiving signal superimposed on the reference level and a difference between the threshold value and the reference level as a margin ratio to be displayed. | 05-29-2014 |
| 20140158861 | PHOTOSENSITIVE INPUT DEVICE AND PHOTOSENSITIVE INPUT PANEL - A photosensitive input device includes a stylus, a photosensitive input panel including an induction layer, a photoelectric detecting circuit, a driving circuit, a controller, and a storage device. The induction layer includes a plurality of photosensitive units including a light-emitting element and a light-receiving element together. The photosensitive element outputs a current when struck by the light from the stylus, the current intensity being dependent on the wavelength of the emitted light. The photoelectric detecting circuit determines coordinates based on the induced current and the intensity of the induced current. The driving circuit generates a driving current or a reduced or a zero current in response, based on a pre-determined table and outputs the driving current to show the track of the stylus-light across the input panel, by illuminating the relevant light-emitting elements or by switching down or switching off the relevant light-emitting elements. | 06-12-2014 |
| 20140175261 | METHODS AND SYSTEMS FOR DETECTING A SENSOR-OFF CONDITION USING INTERFERENCE COMPONENTS - A physiological monitoring system may use photonic signals at one or more wavelengths to determine physiological parameters. During monitoring, a physiological sensor may become improperly positioned, which may affect the physiological attenuation of the photonic signals, and accordingly a detected light signal. The detected light signal may include an ambient light component and a signal component corresponding to the one or more wavelengths of light. One or both components may exhibit an interference signal component caused by environmental light. The physiological monitoring system may analyze the interference signal components to determine a sensor-off condition. | 06-26-2014 |
| 20140175262 | OPTICAL ANALYSIS DEVICE, OPTICAL ANALYSIS METHOD AND COMPUTER PROGRAM FOR OPTICAL ANALYSIS USING SINGLE LIGHT-EMITTING PARTICLE DETECTION - There is provided optical analysis techniques in the scanning molecule counting method using the light measurement with a confocal or multiphoton microscope in which the measuring unit time in the light measurement is set to an appropriate value in order to surely detect an approximately bell shape profile of the signal of a light-emitting particle and avoid excessive increase data volume of time series light intensity data. The inventive optical analysis technique of detecting light of a light-emitting particle in a sample solution generates time series light intensity data of light from a light detection region detected during moving the position of the light detection region of a microscope in the sample solution and detects in the data a signal indicating light from each light-emitting particle individually. The measuring unit time is determined based on the size and the moving speed of the light detection region. | 06-26-2014 |
| 20140183331 | PHOTOELECTRIC CONVERSION MODULE - A photoelectric conversion module includes a lens unit, a circuit board, and a photoelectric unit. The lens unit is positioned on the circuit board. The photoelectric unit is connected electrically with the circuit board and is optically coupled with the lens unit. A groove is defined on the circuit board. The photoelectric unit is located in the groove. | 07-03-2014 |
| 20140191110 | Proximity Sensors with Smudge Detection Capabilities - An electronic device may be provided with a touch screen display that is controlled based on information from a proximity sensor attached underneath a display layer. The proximity sensor may have a light source that emits infrared light and a light detector that detects reflected infrared light. When the electronic device is in the vicinity of a user's head, the proximity sensor may produce data indicative of the presence of the user's head. Variations in proximity sensor output due to smudges on the proximity sensor can be detected by providing the proximity sensor with an additional light source. The additional light source may be used to inject light into the display layer. The injected light may be guided within the display layer by total internal reflection. In the presence of smudge, the internally reflecting light may deviate from its normal propagation path. | 07-10-2014 |
| 20140209782 | METHOD OF MONITORING A MANUFACTURING-PROCESS AND MANUFACTURING-PROCESS MONITORING DEVICE - A method of monitoring a manufacturing process includes generating a measurement data by analyzing emission intensity of plasma emission light using a measurement device, the plasma emission light being generated when a plasma gas of a manufacturing process device is changed from an energy level corresponding to a high energy state to an energy level corresponding to a low energy state, generating a compensated value based on the measurement data, the compensated value being generated by offsetting a sensitivity change that is caused due to pollution of the manufacturing process device and the measurement device or measurement locations of the measurement device, and monitoring the manufacturing process based on the compensated value. | 07-31-2014 |
| 20140217262 | METHOD FOR DETECTING POLARIZED LIGHT - A method for detecting polarized light is disclosed. Providing a polarized light detection system including a photoresistor, a power source and a detection apparatus. The photoresistor includes a first electrode layer and a photosensitive material layer. The detection apparatus includes a current detection device and a computer analysis system. An incident light is irradiated onto a surface of the photoresistor. Polarization information of the incident light is identified by the photoresistor. Current change in the photoresistor is detected by the current detection device. The polarization information of the incident light is analyzed by the computer analysis system. | 08-07-2014 |
| 20140239150 | METHOD OF EVALUATING LUMINANCE OF LIGHT SOURCE AND LIGHTING APPARATUS - Embodiments provide a method of evaluating luminance of a light source, including acquiring first data including a plurality of luminance values by measuring luminance of the light source, converting the first data into second data corresponding to a plurality of unit cells, acquiring a moving average of the second data, and acquiring a ripple factor. The ripple factor is represented by (D | 08-28-2014 |
| 20140263946 | AVALANCHE PHOTO DIODE DETECTOR SYSTEMS - An avalanche photo diode detector including an avalanche photo diode, an adjustable voltage source, a current mirror coupled to the voltage source output of the adjustable voltage source and having a current measurement output, and a processor coupled to the adjustable voltage source and the current mirror. The processor implements a process of obtaining a signal current measurement from the current mirror, computing an estimate of an input optical power level from the signal current measurement and adjusting the output of the adjustable voltage source based upon on the estimate of the input optical power level. | 09-18-2014 |
| 20140263947 | ENHANCED DYNAMIC RANGE IMAGING - A pixel element for an image sensor comprises a semiconductor substrate; a radiation-sensitive element configured to generate electric charges in response to incident radiation, and provided with a charge accumulation region configured to accumulate at least a portion of said electric charges; a passive potential barrier region; and a capacitive element operably connected to the charge-accumulation region of the radiation-sensitive element via the passive potential barrier region, the passive potential barrier region being configured to conduct charges from said charge accumulation region to the capacitive element when at least a predetermined amount of electrical charge has accumulated in said charge accumulation region. | 09-18-2014 |
| 20140263948 | OPTICAL BIOSENSOR AND BIOSENSING SYSTEM - An optical biosensor is provided. The optical biosensor includes a biosensing unit, a detection unit, and a feedback circuit. The biosensing unit is configured to receive an input optical signal, sense a biomaterial, and generate a sensed optical signal. The detecting unit is configured to convert the sensed optical signal into an electrical signal and output the electrical signal as a detection signal. The feedback circuit is configured to output a feedback signal. The feedback signal is generated based on the detection signal and is changed according to a changed amount of a resonant wavelength of the biosensing unit. | 09-18-2014 |
| 20140284451 | REDUCING LOCALIZED HIGH ELECTRIC FIELDS IN PHOTOCONDUCTIVE WIDE BANDGAP SEMICONDUCTORS - Methods, systems, and devices are disclosed for implementing a high voltage variable resistor. In one aspect, an optical transconductance variable resistor includes a photoconductive wide bandgap semiconductor material (PWBSM) substrate, whose conduction response to changes in amplitude of incident radiation that is substantially linear throughout a non-saturation region thereof, whereby the material is operable in non-avalanche mode as a variable resistor, and first and second electrodes in contact with the material so that: a first triple junction boundary region is formed between the PWBSM substrate and the first electrode, and a second triple junction boundary region is formed between the PWBSM substrate and the second electrode, and the PWBSM substrate is located within an internal triple junction region formed between the first and second triple junction boundary regions. | 09-25-2014 |
| 20140291480 | DETECTOR FOR OPTICALLY DETECTING AT LEAST ONE OBJECT - A detector ( | 10-02-2014 |
| 20140299744 | DEVICE FOR REGULATING A RANDOM STREAM OF VOLTAGE PULSES AT THE INPUT OF AN ANALOG-TO-DIGITAL CONVERTER - A device converts a random stream of voltage pulses into a regulated stream of digital data. The device includes a stream regulation device and an analog-digital converter at the output of the stream regulation device. The converter undertakes an analog-digital conversion at a conversion frequency. The stream regulation device includes a buffer memory of capacity K, where K is an integer and K≧1, in which the voltage signal for each received pulse is stored. Reading of the buffer memory is regulated at the conversion frequency. | 10-09-2014 |
| 20140306093 | Dual Compressive Connector - An electrical connector for electrically connecting multiple photovoltaic bus bars. A casing includes first and second opposing walls. An elastic strip is bent into a bent elastic strip with a first leg and a second leg. The bent elastic strip is disposed between the first and second walls of the casing with the first leg pressing against the first wall and the second leg pressing against the second wall. The bent elastic strip is configured to hold at least one of the photovoltaic bus bars between the first leg and the first wall and another of the photovoltaic bus bars between the second leg and the second wall. The bent elastic strip may be formed of resilient spring metal with a thickness and an elastic modulus. The thickness and/or the elastic modulus of the elastic strip is/are configured so that the bus bars are inserted without requiring a tool to open a space and so that the bus bars are removed from the connector without requiring a tool to break the electrical connection. | 10-16-2014 |
| 20140306094 | Photoreception Device, and Method for Producing Photoreception Device - A photoreception device includes: a substrate; a photoreceptor element including a photoreceptor portion upon an upper surface thereof and a lower surface thereof is mounted upon the substrate; and an insulating resin mass that contains a flat upper surface and an opening that exposes the photoreceptor portion of the photoreceptor element, that is formed upon the substrate to be thicker than thickness of the photoreceptor element, and that adheres closely against side surfaces of the photoreceptor element, the side surfaces surrounding the photoreceptor element. The insulating resin mass contains a step portion that is provided to a height between the flat upper surface thereof and the upper surface of the photoreceptor portion; and the step portion extends parallel to at least one pair of mutually opposed side surfaces of the photoreceptor element, at a periphery of the opening. | 10-16-2014 |
| 20140312205 | MOS-transistor structure as light sensor - Described is an arrangement for registering light, comprising: a MOS-transistor structure ( | 10-23-2014 |
| 20140319319 | PHOTOSENSOR - A photosensor is provided with a sensor circuit assembly. The sensor circuit assembly includes a light emitter, a light receiver, a light-emitter support, a light-receiver support, and a connecting part. The light emitter and the light receiver face each other. The light-emitter support extends from and supports the light emitter. The light-receiver support extends from and supports the light receiver. The connecting part connects one end of the light-emitter support with one end of the light-receiver support. The connecting part includes a seal and a connection terminal that protrudes from the seal. The connection terminal includes a first press-contact part, and a first pressure part that presses the first press-contact part in a press-contact direction. | 10-30-2014 |
| 20140332663 | COMPACT DETECTION ARRAY HAVING IMPROVED POLARIZATION CONDITIONS - An array of photodetector is organized along a first organizational axis on a semiconductor substrate of a first conductivity type. Each photodetector is at least partially formed in the substrate which forms a first electrode of the photodetector. A peripheral polarization ring is formed around the array of photodetectors. The polarization ring is connected to a polarization voltage generator and to the substrate. A read circuit is connected to a photodetector via the second terminal of the photodetector. A first switch connects the photodetector to a generator of an additional voltage. A second switch connects the photodetector to the associated read circuit. The first and the second switches are in opposite states. | 11-13-2014 |
| 20140361146 | OBJECT DETECTION SYSTEM - An object detection system | 12-11-2014 |
| 20140361147 | Systems and Methods for Monitoring Physiological Parameters - Described herein are systems and methods for mounting optical sensors in physiological monitoring devices worn by a user to sense, measure, and/or display physiological information. Optical sensors may be mounted in the rear face of the device, emit light proximate a targeted area of a user's body, and detect light reflected from the targeted area. The optical sensor may be mounted in a housing or caseback such that at least a portion of the optical sensor protrudes a distance from at least a portion of the housing. The protrusion distance may be adjustable such that a user may achieve a customized fit of the wearable device. Adjustment of the protrusion distance may also result in a customized level of contact and/or pressure between the optical sensor and the targeted area which may, in turn, result in more reliable and accurate sensing of physiological information. | 12-11-2014 |
| 20140367550 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes a first output line, a second output line; and a photoelectric conversion cell. The photoelectric conversion cell further includes, a photoelectric conversion element configured to generate an output current corresponding to an intensity of incident light, a first switch element configured to transmit the first output current to the first output line according to a first control signal, and a second switch element configured to transmit the second output current to second output line according to a second control signal. As a result, the photoelectric conversion device can be provided to generate rapidly the image data with wide dynamic range without the need for complex control outside of the photoelectric conversion device. | 12-18-2014 |
| 20140374569 | FREQUENCY VISUALIZATION APPARATUS AND METHOD - A system and apparatus for: (i) receiving an image of a visually perceptible scene; (ii) sensing the presence and intensity of signals in a selected frequency band, which may include one or more of radio frequency, microwave, infrared, visible and ultraviolet, in part or all of the scene; (iii) displaying the frequency band as a visually distinguishable overlay on the visually perceptible scene; and (iv) indicating whether the signal intensity for a selected frequency interval is changing with passage of time. | 12-25-2014 |
| 20150083890 | ULTRA LOW POWER SOLID STATE SPECTRAL RADIOMETER - A spectral radiometer system, measures incoming light intensity and spectral distribution in different wavelength-bands. An additional data storage device allows recording of the measured data. The inclusive sensor system yields very high sensitivity to incoming light. Furthermore, outstanding linearity of the detector response over several orders of magnitude of incoming light is achieved. Additional benefits are ultra low power consumption and minimum size. The sensor system can be used in remote solar radiation monitoring applications like mobile solar power units as well as in long-term environmental monitoring systems where high precision and low power consumption is a necessity. | 03-26-2015 |
| 20150097105 | PHOTODIODE WITH COMPENSATED SPECTRAL RESPONSE - An optical detector includes a first set of one or more photodiodes configured to generate a first photocurrent according to a first spectral response function of an incident light, a second set of one or more photodiodes configured to generate a second photocurrent according to a second spectral response function of the incident light, and a third set of one or more photodiodes configured to generate a third photocurrent according to a third spectral response function of the incident light. The optical detector further includes a module configured to output an indication of the intensity of the incident light according to a fourth spectral response function based on each of the first photocurrent, the second photocurrent, and the third photocurrent. | 04-09-2015 |
| 20150102205 | Photoelectric Sensor - Provided is a photoelectric sensor that detects a workpiece by measuring light transmission time. A photoelectric sensor includes: a light emitting element which repeatedly generates detection light; a light receiving element which receives reflected light of the detection light; a binarization processing section which binarizes a light receiving signal; a waveform detection section which detects waveform data indicating a temporal change of the binarized light receiving signal; a waveform integration section which matches light emitting timing of the light receiving element to integrate two or more pieces of waveform data and generates integrated waveform data; and a workpiece discrimination section which discriminates presence or absence of a workpiece based on the integrated waveform data, whereby the reflected light is sampled at a high speed while a circuit scale is suppressed, to detect the workpiece. | 04-16-2015 |
| 20150129744 | A/D CONVERTER, SOLID-STATE IMAGE SENSOR AND IMAGING SYSTEM - An A/D converter includes a comparator configured to compare an input voltage and a reference signal changing monotonically with respect to time and output a comparison result signal indicating a comparison result, a pulse signal generation circuit configured to generate a pulse signal in accordance with the comparison result signal, a counting unit configured to receive a first clock signal, and to count the first clock signal from a start of changing a level of the reference signal to when a level of the comparison result signal is changed, and a latch unit configured to latch the pulse signal at a timing which is defined by a plurality of clock signals including a second clock signal in phase with the first clock signal and a third clock signal having a different phase from that of the second clock signal. | 05-14-2015 |
| 20150129745 | STRUCTURED LIGHTING APPLICATIONS WITH HIGH SPEED SAMPLING - A scene measurement assembly includes a first illuminator assembly having multiple grids of coplanar illuminators, a first system-on-chip light sensing device having sensors disposed to receive reflected light emitted by the first illuminator assembly, a second illuminator assembly having plural grids of coplanar illuminators, each of the plural grids of coplanar illuminators being disposed in different planes relative to each other, and a second system-on-chip light sensing device that receives reflected light emitted by the second illuminator assembly. Each of the multiple grids of coplanar illuminators of both illuminator assemblies is disposed in different planes relative to each other. The first and second system-on-chip light sensing devices each have a sampling rate of greater than 10,000 frames per second relative to performing on-chip image data processing. The system-on-chip light sensing devices are each disposed at a scene to be measured at locations having different perspectives of the scene. | 05-14-2015 |
| 20150144766 | CONTROL APPARATUS AND CONTROL METHOD - A control apparatus includes a slit plate including a plurality of rectangular slits with different widths. The control apparatus also includes an acquisition unit which acquires an incident spectrum from the rectangular slit. The apparatus also includes a slit selecting unit which acquires a half value wavelength of the incident spectrum on the basis of the incident spectrum, and performs a selection of one of the plurality of rectangular slits on the basis of the half value wavelength. | 05-28-2015 |
| 20150292943 | OPTICAL SENSOR AND FILTER ASSEMBLY WITH EPOXY MOUNTING STRUCTURE AND METHOD OF ASSEMBLY - A mounting structure between the spectral filter and optical sensor includes one or more beads of epoxy that are bonded to the face of the sensor at locations adjacent and bonded to the edge of the spectral filter around its perimeter. Placement of the epoxy so that it bonds to the edge of the spectral filter improves the robustness of the package to sheer stresses. Placement of the epoxy at the edge, suitably in discrete spot bonds, also avoids putting epoxy in the optical path, contaminating the optically active area or using epoxy to control the gap height. Alignment of the spectral filter in the plane (x,y) may be achieved using fiducial marks on the sensor and filter. Alignment of the spectral filter out of the plane (z) may be achieved using incompressible spacer balls that set the gap height precisely to the diameter of the ball. Alternately, the spectral filter may be placed in direct contact with the optically active area of the sensor. | 10-15-2015 |
| 20150308909 | FIBER OPTIC PIPELINE ACOUSTIC MEASUREMENT METHOD, DEVICE, AND SYSTEM - A method of monitoring a pipe using a measurement device connected to an optical fiber cable that is wrapped around the pipe along a length of the pipe includes generating a first light pulse such that the first light pulse propagates through the optical fiber cable towards the pipe; receiving, at the measurement device, a plurality of second light pulses reflected from a plurality of different reflection points within the optical fiber cable, respectively, the plurality of different reflection points being located at a plurality of different locations along the length of the pipe, the plurality of light pulses each being reflected forms of the first light pulse; and determining one or more optical path length (OPL) change measurements based on the plurality of second light pulses, the one or more OPL change measurements corresponding, respectively, to the one or more different location along the length of the pipe. | 10-29-2015 |
| 20150342075 | OPTICAL TRANSCEIVER AND METHOD TO ASSEMBLE THE SAME - A coherent optical transceiver is disclosed. The coherent optical transceiver installs an integrated coherent receiver (ICR), an optical modulator; an intelligent wavelength tunable laser diode (i-TLD), a digital signal processor (DSP), a driver to drive the optical modulator, and so on within a compact housing. The ICR is connected to the printed circuit board (PCB) through flexible printed circuit (FPC) boards and mounted thereon through a holder. The holder forms a gap against the PCB, where the FPC boards pass through the gap and connected on the pads formed on the surface of the PCB beneath the holder. | 11-26-2015 |
| 20150346026 | WRIST-WORN DEVICE FOR SENSING AMBIENT LIGHT INTENSITY - The invention relates to a wrist-worn device ( | 12-03-2015 |
| 20150346087 | PARALLEL OPTICAL THIN FILM MEASUREMENT SYSTEM FOR ANALYZING MULTIANALYTES - Optical computing devices including a light source that emits electromagnetic radiation into an optical train extending from the light source to a detector, a substance arranged in the optical train and configured to optically interact with the electromagnetic radiation and produce sample interacted radiation, a processor array arranged in the optical train and including a plurality of ICE arranged on a substrate and configured to optically interact with the electromagnetic radiation. The detector receives modified electromagnetic radiation generated through optical interaction of the electromagnetic radiation with the substance and the processor array. A weighting device is coupled to one or more of the ICE to optically apply a weighting factor to the modified electromagnetic radiation prior to being received by the detector, wherein the detector generates an output signal indicative of a characteristic of the substance based on beams of modified electromagnetic radiation. | 12-03-2015 |
| 20150377700 | PHOTOELECTRIC CONVERSION APPARATUS AND IMAGE PICKUP SYSTEM HAVING PHOTOELECTRIC CONVERSION APPARATUS - A photoelectric conversion apparatus according to one aspect of the present invention includes a first substrate including a photoelectric conversion region and a surrounding region, and a second substrate including a circuit for processing a signal from the photoelectric conversion region, and overlapping the first substrate. In this case, the circuit for processing a signal from the photoelectric conversion region includes a first circuit and a second circuit with a higher drive frequency than that of the first circuit. In an orthogonal projection, the second circuit is only provided in the photoelectric conversion region. | 12-31-2015 |
| 20160003951 | DEVICE FOR PROCESSING A SIGNAL DELIVERED BY A RADIATION DETECTOR - The invention relates to a device for processing information delivered by a photon detector, comprising: an analogue circuit for generating a signal comprising a series of pulses, each pulse having an amplitude proportional to the energy freed by an interaction of a photon in the detector; an analogue circuit for determining the instant at which the amplitude of a pulse of the signal is maximal; and an element for capturing the value of the signal at said instant. | 01-07-2016 |
| 20160011044 | OPTICAL DETECTOR AND AMPLIFIER FOR RF-DETECTION | 01-14-2016 |
| 20160013426 | PHOTOELECTRIC CONVERSION ELEMENT, IMAGING DEVICE, OPTICAL SENSOR, AND METHOD OF USING PHOTOELECTRIC CONVERSION ELEMENT | 01-14-2016 |
| 20160025560 | SAFETY CHECKING APPARATUS, BEAM IRRADIATION SYSTEM, AND SAFETY CHECKING METHOD - A safety checking apparatus is provided with a determining section and a result data control section. The determining section determines a safety level of an asset to an incident beam according to an irradiation beam based on the irradiation direction of the irradiation beam and a position or area of the asset. The result data control section carries out a notification to the asset according to the safety level determined by the determining section. Thus, the safety level is determined to a person and a thing one in a region out of a path of the beam. | 01-28-2016 |
| 20160041352 | OPTICAL BENCH APPARATUS HAVING INTEGRATED MONITOR PHOTODETECTORS AND METHOD FOR MONITORING OPTICAL POWER USING SAME - Optical bench structure provides a platform for integrating optical transmitters, particularly Vertical-Cavity Surface-Emitting Lasers (VCSELs), with monitor photodetectors. A substrate with photodetectors on the front side is aligned with flip-chip bonding bumps so the emission of the transmitters is aligned with the monitor photodetectors and passes through the monitor photodetectors with a portion of the transmitted light absorbed by the monitor photodetectors. The photodetectors have a thin absorption region so the percentage of light absorbed may be relatively small, providing sufficient photocurrent to monitor the transmitted power having a minimal effect on the transmitted power. Microlenses are integrated on the backside of the substrate focus, steer and/or collimate the emitted optical beams from the transmitters. The structure enables photodetectors to be integrated on the optical bench allowing the received optical power to be monitored. The receiver photodetectors are integrated on the optical bench alone and/or in combination with the transmitters. | 02-11-2016 |
| 20160043725 | DOUBLE DATA RATE COUNTER, AND ANALOG-TO-DIGITAL CONVERTER AND CMOS IMAGE SENSOR USING THE SAME - A Double Data Rate (DDR) counter includes an input clock control portion suitable for generating a first clock corresponding to a state of a input clock based on a counter enable signal, and an LSB control portion suitable for holding a least significant bit based on the counter enable signal and successively performing a counting operation on the first clock in multiple sections. | 02-11-2016 |
| 20160047690 | IMAGE SENSOR INCLUDING COLOR FILTER ISOLATION LAYER AND METHOD OF MANUFACTURING THE SAME - An image sensor including a color filter isolation layer and a method of manufacturing the image sensor. The image sensor includes a plurality of color filters that transmit light of a predetermined wavelength band to a light sensing layer. The image sensor also includes an isolation layer disposed between adjacent ones of the plurality of color filters. The isolation layer is formed of a material having a lower refractive index than a refractive index of the color filters, thus totally internally reflecting light incident on the isolation layer from one of the plurality of color filters. | 02-18-2016 |
| 20160050737 | LIGHT SENSOR - A light sensor is provided that includes an exposed light transducer for accumulating charge in proportion to light incident thereon over an integration period; and a light-to-pulse circuit in communication with the exposed light transducer, the light-to-pulse circuit operative to output a pulse having a pulse width based on the charge accumulated by the exposed light transducer. The light-to-pulse circuit may include a one shot logic circuit that contributes to generation of the pulse. The light sensor may include an input/output pad, a capacitor provided at the input/output pad for blocking static electricity, an input low pass filter provided at the input/output pad for blocking electromagnetic interference, and/or a bandgap voltage reference circuit connected to a power source having a supply voltage level in a range of about 3.3V to about 5.0V, and for generating a set of stable reference voltages throughout the supply voltage level range. | 02-18-2016 |
| 20160061964 | RADIATION IMAGE DETECTION DEVICE - A radiation image detecting device includes a photodetecting element that detects fluorescence light, and a prism that is disposed on an optical path of excitation light traveling toward an imaging plate and between the photodetecting element and the imaging plate. The prism includes, as surface thereof, a side face that is opposed to the imaging plate, and a side face and a side face that are inclined relative to the side face. The prism is disposed so that the excitation light incident through the side face propagates inside and is output from the side face and so that reflection from the imaging plate incident through the side face propagates inside and is output from the side face. The photodetecting element is disposed so as to be opposed to a region different from a region where the reflection from the imaging plate is output, in the surface of the prism. | 03-03-2016 |
| 20160064199 | System, Method and Apparatus for Using Optical Data to Monitor RF Generator Operations - A system and method monitoring a plasma with an optical sensor to determine the operations of a pulsed RF signal for plasma processing including a plasma chamber with an optical sensor directed toward a plasma region. An RF generator coupled to the plasma chamber through a match circuit. An RF timing system coupled to the RF generator. A system controller is coupled to the plasma chamber, the RF generator, the optical sensor, the RF timing system and the match circuit. The system controller includes a central processing unit, a memory system, a set of RF generator settings and an optical pulsed plasma analyzer coupled to the optical sensor and being capable to determine a timing of a change in state of an optical emission received in the optical sensor and/or a set of amplitude statistics corresponding to an amplitude of the optical emission received in the optical sensor. | 03-03-2016 |
| 20160069740 | RADIATION DETECTOR HAVING A BANDGAP ENGINEERED ABSORBER - A radiation detector is provided that includes a photodiode having a radiation absorber with a graded multilayer structure. Each layer of the absorber is formed from a semiconductor material, such as HgCdTe. A first of the layers is formed to have a first predetermined wavelength cutoff. A second of the layers is disposed over the first layer and beneath the first surface of the absorber through which radiation is received. The second layer has a graded composition structure of the semiconductor material such that the wavelength cutoff of the second layer varies from a second predetermined wavelength cutoff to the first predetermined wavelength cutoff such that the second layer has a progressively smaller bandgap than the first bandgap of the first layer. The graded multilayer radiation absorber structure enables carriers to flow toward a conductor that is used for measuring the radiation being sensed by the radiation absorber. | 03-10-2016 |
| 20160077225 | ACTIVE MICROPHONIC NOISE CANCELLATION IN RADIATION DETECTORS - A new adaptive filtering technique to reduce microphonic noise in radiation detectors is presented. The technique is based on system identification that actively cancels the microphonic noise. A sensor is used to measures mechanical disturbances that cause vibration on the detector assembly, and the digital adaptive filtering estimates the impact of these disturbances on the microphonic noise. The noise then can be subtracted from the actual detector measurement. In this paper the technique is presented and simulations are used to support this approach. | 03-17-2016 |
| 20160084637 | CLEARANCE DETECTION SYSTEM AND METHOD USING FREQUENCY IDENTIFICATION - Various embodiments of the present disclosure provide a clearance detection system and method using frequency identification. Generally, the clearance detection system of the present disclosure uses a fiber optic sensor to determine a distance between a target traversing through a target area and a wall of a housing or casing within which the target is rotating. In various embodiments, the clearance detection system does so by projecting a light field including multiple alternating and diverging illuminated and non-illuminated regions into the target area, collecting light reflected off of the target as the target traverses through the light field, generating an oscillatory signal based on the collected reflected light, identifying the dominant frequency of the signal, and using the dominant frequency to determine the distance. | 03-24-2016 |
| 20160084764 | SEPARATION OF DOPING DENSITY AND MINORITY CARRIER LIFETIME IN PHOTOLUMINESCENCE MEASUREMENTS ON SEMICONDUCTOR MATERIALS - Methods are presented for separating the effects of background doping density and effective minority carrier lifetime on photoluminescence (PL) generated from semiconductor materials. In one embodiment the background doping density is measured by another technique, enabling PL measurements to be analysed in terms of effective minority carrier lifetime. In another embodiment the effective lifetime is measured by another technique, enabling PL measurements to be analysed in terms of background doping density. In another embodiment, the effect of background doping density is removed by calculating intensity ratios of two PL measurements obtained in different spectral regions, or generated by different excitation wavelengths. The methods are particularly useful for bulk samples such as bricks or ingots of silicon, where information can be obtained over a much wider range of bulk lifetime values than is possible with thin, surface-limited samples such as silicon wafers. The methods may find application in solar cell manufacturing. | 03-24-2016 |
| 20160086994 | Image Sensor Bending Using Tension - Techniques for fabricating an image sensor chip having a curved surface include placing a bending substrate on a first surface of an imaging sensor chip. The first surface of the imaging sensor chip includes light sensors to generate electrical signals in response to receiving light. Fabricating also includes bending the bending substrate so as to impart forces on the image sensor chip to produce a curved imaging sensor chip. A second surface of the curved imaging sensor chip may be adhered to a backside substrate. The second surface is opposite the first surface. The bending substrate may be removed from the first surface of the imaging sensor chip. | 03-24-2016 |
| 20160091478 | SYSTEMS AND METHODS FOR ANALYZING THE CHARACTERISTICS AND COMPOSITIONS OF A DRY CEMENT - Optical analysis systems and methods that utilize integrated computational elements (“ICE”) may be useful for characterizing dry cements and determining cement slurry additives suitable for use therewith. For example, a method may include optically interacting a dry cement with an ICE configured to detect a characteristic of the dry cement; generating a plurality of output signals corresponding to the characteristic of the dry cement detected by the ICE; receiving and processing the plurality of output signals with a signal processor to yield a value for the characteristic of the dry cement; and determining at least one of a composition and a concentration of a cement slurry additive for use in combination with the dry cement based on the value of the characteristic of the dry cement. | 03-31-2016 |
| 20160097711 | DEVICE AND A METHOD OF SENSING CHARACTERISTICS OF A FOOD MATERIAL AND A MACHINE AND A METHOD OF BREWING COFFEE - A device and a method of sensing characteristics of a food material and a machine and a method of brewing coffee. The device comprises: a wave source ( | 04-07-2016 |
| 20160099269 | Fully Differential Output Swing for Analog Array Based Charge Mode Readout used in a CMOS Image Sensor - Disclosed herein are novel charge mode readout circuits and associated methods of signal processing. The devices and methods of the invention allow for the improved processing of stored signals by a charge mode readout amplifier, wherein the readout level may be shifted to a desired range and wherein a fully differential output swing may be imparted. The invention advantageously employs a single pair of capacitors to serve the dual roles of modulating amplifier gain and level shifting the output. | 04-07-2016 |
| 20160102969 | OPTICAL SHAPE SENSING WITH A PLURALITY OF OPTICAL FIBERS - An optical shape sensing system and method with at least two optical fibers (OSF | 04-14-2016 |
| 20160116777 | LIGHT SENSOR ATTACHMENT STRUCTURE OF IMAGE DISPLAY DEVICE - Provided is an optical sensor mounting structure which is used in an image display device and in which the gap between a reflection sheet and a tubular cushion for preventing the entry of external light into an optical sensor is eliminated so that the amount of light from a backlight can be measured accurately. A liquid crystal image display device | 04-28-2016 |
| 20160116778 | OPTICAL SENSOR ATTACHMENT STRUCTURE FOR IMAGE DISPLAY DEVICE - Provided is an optical sensor mounting structure for use in image display device devices that can accurately measure the amount of light from a backlight by measuring leak LED light, without having to modify an image display panel module itself. In an image display device using an image display panel module in which a wire drawing port for drawing a wire from a backlight is formed in a panel sheet metal, an optical sensor mounting structure includes an optical sensor configured to measure leak light from the backlight and a positioning member (intermediate connector) positioning the optical sensor. The optical sensor is disposed near the wire drawing port and measures the leak LED light from the wire drawing port. | 04-28-2016 |
| 20160118429 | FOCUS DETECTING DEVICE AND ELECTRONIC DEVICE - The present technology relates to a focus detecting device and an electronic device that can adjust the maximum value and the minimum value of sensitivity in phase detection pixels. The focus detecting device and an electronic device each include a microlens, a photoreceptor configured to receive light entering through the microlens, a light shield film provided between the microlens and the photoreceptor and configured to limit an amount of light on the photoreceptor, and a light shield wall provided vertical to the light shield film. The light shield wall or the light shield walls having a predetermined height are provided on any one or both of surfaces of the light shield film facing the photoreceptor and the microlens. The present technology can be applied to an imaging device configured to detect a focus by detection of phase difference. | 04-28-2016 |
| 20160123801 | VECTOR LIGHT SENSOR AND ARRAY THEREOF - A vector light sensor (VLS) includes a substrate and a sensor structure. The substrate includes a major surface. The sensor structure includes a pyramid structure, light-sensitive areas, and electrical contacts. The pyramid structure forms at least a portion of a body of the sensor structure and has predefined angles between the major surface of the substrate and a plurality of sidewalls of the pyramid. The light-sensitive areas are formed on two or more of the plurality of sidewalls of the pyramid structure. The electrical contacts are electrically coupled to the light-sensitive areas. Information about the information about intensity and direction of an incident light beam can be extracted by comparing signals from two or more of the light-sensitive areas. | 05-05-2016 |
| 20160123804 | Systems and Methods for Determining Ambient Illumination - Systems and methods are provided for measuring an ambient light level in a volume that is lighted by a pulsating light source. A first light sensor is configured to generate a first signal based on an amount of light detected in the volume. A bypass switch is configured to bypass the first light sensor at a first point in time when the light source is on and to not bypass the first light sensor at a second point in time when the light source is off. A second sensor is configured to generate a second signal based on an environment in the volume, and a difference circuit is configured to determine a difference magnitude between the second signal and the first signal to generate an ambient light signal. | 05-05-2016 |
| 20160123805 | Method And System For Managing Harvested Energy In An Access Control System - A method for managing light energy received from at least one light source by at least one light sensor in an access control system. The method comprises receiving light energy by the at least one light sensor, measuring the amount of light energy received by an energy harvesting manager interconnected with an access control device, and determining whether the measured amount of light energy is above a predetermined threshold. If the measured amount of light energy is above the predetermined threshold, the method comprises converting the light energy into harvested energy by at least one energy harvester. If the measured amount of light energy is not above the predetermined threshold, the method comprises adjusting the amount of light energy available to the at least one light sensor from the at least one light source until the predetermined threshold is reached. | 05-05-2016 |
| 20160133668 | INTEGRATED DEVICE FOR TEMPORAL BINNING OF RECEIVED PHOTONS - An integrated circuit includes a photodetection region configured to receive incident photons. The photodetection region is configured to produce a plurality of charge carriers in response to the incident photons. The integrated circuit also includes at least one charge carrier storage region. The integrated circuit also includes a charge carrier segregation structure configured to selectively direct charge carriers of the plurality of charge carriers into the at least one charge carrier storage region based upon times at which the charge carriers are produced. | 05-12-2016 |
| 20160138971 | Monitoring Apparatus for a Laser Beam - The present invention relates to a monitoring apparatus for a laser beam, including a body having a passage opening and a sensor that is disposed on the body, wherein impact of the laser beam onto the body can be detected using the sensor. | 05-19-2016 |
| 20160153830 | PHOTO DETECTING SENSOR HAVING MICRO LENS ARRAY | 06-02-2016 |
| 20160155783 | Light-Emitting Device, Information Processing Device, and Imaging Device | 06-02-2016 |
| 20160161535 | ELECTROMAGNETIC WAVE POWER SENSING APPARATUS AND SYSTEM COMPRISING THEREOF - Provided is an electromagnetic wave power sensing apparatus. The electromagnetic wave power measuring apparatus includes a waveguide to which electromagnetic wave power is incident, an electromagnetic wave absorber disposed at a termination of the waveguide and absorbing the electromagnetic wave power incident to a front surface of the electromagnetic wave absorber, parallel plates disposed at a rear of the electromagnetic wave absorber and arranged on and under a center line of the waveguide, a waveguide guide for fixing the waveguide and the electromagnetic wave absorber, wherein the parallel plates are positioned in the waveguide guide, an electro-optic element configured to sense the electromagnetic wave power, an electro-optic element fixer to which the electro-optic element is coupled, and a movement guide coupled to the electro-optic element fixer and controlling movement of the electro-optic element into the inside of the waveguide guide in order to sense the electromagnetic wave power. | 06-09-2016 |
| 20160161675 | Graphene Photonics For Resonator-Enhanced Electro-Optic Devices And All-Optical Interactions - Techniques for coupling light into graphene using a planar photonic crystal having a resonant cavity characterized by a mode volume and a quality factor and at least one graphene layer positioned in proximity to the planar photonic crystal to at least partially overlap with an evanescent field of the resonant cavity. At least one mode of the resonant cavity can couple into the graphene layer via evanescent coupling. The optical properties of the graphene layer can be controlled, and characteristics of the graphene-cavity system can be detected. Coupling light into graphene can include electro-optic modulation of light, photodetection, saturable absorption, bistability, and autocorrelation. | 06-09-2016 |
| 20160172822 | Optically-Induced Charge Separation and Induced Magnetism in Dielectrics for Optical Energy Conversion and Intense Magnetic Field Generation | 06-16-2016 |
| 20160178367 | PORTABLE DEVICE WITH MULTIPLE OPTICAL SENSING FUNCTIONS AND RELATED OPTICAL SENSING METHOD | 06-23-2016 |
| 20160187195 | ILLUMINANCE SENSOR MODULE - An illuminance sensor module includes: a lens having refractive power; a diffuser configured to scatter light incident through the lens; an illuminance sensor configured to receive the light passing through the diffuser; and a field stop disposed at a point at which the light is focused by the lens, wherein the lens, the diffuser, and the illuminance sensor are sequentially disposed in a direction from a light source. | 06-30-2016 |
| 20160187197 | Optical filter device, optical module, and electronic equipment - A variable wavelength interference filter is fixed to the base, and the fixing material fixes at least one of the substrates to the base via at least one location of one surface side along a substrate thickness direction. A first order resonance frequency of the variable wavelength interference filter in which a fixing position of the fixing material is used as a fixed end is less than or equal to half a value of a first order resonance frequency of the movable section. | 06-30-2016 |
| 20160195470 | PORTABLE DEVICE FOR QUANTIFYING THERMOCHROMATIC COATING SIGNATURES | 07-07-2016 |
| 20160202115 | OPTICAL LENS WITH AMBIENT LIGHT SENSING | 07-14-2016 |
| 20160380025 | INTEGRATED DEVICE FOR TEMPORAL BINNING OF RECEIVED PHOTONS - An integrated circuit includes a photodetection region configured to receive incident photons. The photodetection region is configured to produce a plurality of charge carriers in response to the incident photons. The integrated circuit also includes at least one charge carrier storage region. The integrated circuit also includes a charge carrier segregation structure configured to selectively direct charge carriers of the plurality of charge carriers into the at least one charge carrier storage region based upon times at which the charge carriers are produced. | 12-29-2016 |
| 20160380196 | BROADBAND PHOTORESISTOR - A photoresistor comprising: a semiconductor substrate selected from Gallium-Nitride, Gallium-Arsenic, Gallium Phosphide, and Aluminum Gallium Nitride, or any combination thereof; a layer of organic molecules that is disposed on at least a portion of the surface of the semiconductor substrate; and two conductors in contact with the layer of organic molecules. | 12-29-2016 |
