Entries |
Document | Title | Date |
20090009752 | Method And Apparatus For Referencing A MEMS Device - A method and an apparatus for calibrating a MEMS actuator of a hybrid MEMS-PLC optical switch or router is described. Two calibrating waveguides, embedded monolithically adjacent to the waveguides that provide the PLC output functions, are used for referencing a MEMS mirror tilt angle by maximizing optical coupling of light, reflected off the MEMS mirror, into one or each of the two calibrating waveguides. The input light is provided by either a waveguide carrying a live optical signal, or by a special input waveguide, coupled to an LED, for providing a calibrating light. Two emitting waveguides, embedded monolithically adjacent to the waveguides that provide the PLC input functions, can be used. | 01-08-2009 |
20090027663 | Method of detecting sources of coherent radiation and a device utilising the method - The present invention relates to a method of detecting sources of coherent radiation, which is achieved by depicting, simultaneously or at times close to each other, that part of the environment which is of interest by a radiation sensor, on the one hand with a vortex mask in front of the sensor (FIG. | 01-29-2009 |
20090051907 | METHOD FOR MEASURING BRIGHTNESS UNIFORMITY OF A PANEL - A method for measuring brightness uniformity of a panel is disclosed. The method includes steps of: dividing the panel into a plurality of areas, measuring brightness of each area, calculating each area of an average value K the brightness differences between the area and the other adjacent areas, and comparing the value K with a predetermined value. When the value K is greater than the predetermined value, it indicates that the brightness difference between the area and the adjacent areas exceeds a uniformity threshold. When the value K is smaller than the predetermined value, it indicates that the brightness difference between the area and the adjacent areas is below the uniformity threshold. The entire panel is evaluated to ensure accuracy of measuring results. | 02-26-2009 |
20090103077 | PHOTOMETER WITH MODULAR LIGHT EMITTER - A photometer is provided with modular lighting units wherein each lighting unit includes one or more light emitters. A user may select a desired lighting unit and install it within a photometer base unit, and thereafter activate one or more of the emitters (which may emit light of different wavelengths) to illuminate a specimen. The light provided by the specimen in response can then be captured at a detector, and analyzed to provide an indication of the specimen's characteristics. Different lighting units may optionally include one or more input light adapters (filters or polarizers which modify the light provided by the emitter(s) to the specimen), and/or one or more output light adapters (filters or polarizers which modify the light provided by the specimen to the detector). Users may therefore select lighting units with emitters and light adapters which are particularly suited for detection/analysis of particular specimens and/or components therein. | 04-23-2009 |
20090109427 | Conversion Of Properties Of Light To Frequency Counting - In an embodiment, the invention provides a method for measuring properties of light of a photoelectric device. A capacitor is charged through a switch until a first voltage is obtained. After the capacitor is charged to the first voltage, the switch is opened from the capacitor and the capacitor is discharged through a photoelectric device, which conducts current when acted upon by a property of light, until a second voltage is obtained. The capacitor is charged and discharged in the manner previously described until the frequency of the voltage on the capacitor is determined. When the frequency of the voltage on the capacitor is determined, an electrical signal is generated that is proportional to the frequency of the voltage on the capacitor. | 04-30-2009 |
20090116002 | Light quantity measuring apparatus - The present invention provides a light quantity measuring apparatus capable of properly measuring, in short time, light to be measured whose quantity fluctuates periodically. Charges generated and stored in photodiodes during a measurement period are read in a plurality of times. A control unit obtains pixel data according to quantity of the charges generated and stored by the photodiodes in a plurality of storage periods obtained by dividing a measurement period. Further, the control unit adds up the plurality of pieces of pixel data, and calculates pixel data according to the quantities of charges generated and stored by the photodiodes in the measurement period. | 05-07-2009 |
20090231575 | Method for Measuring Luminance of Light-Emitting Object and Device Therefor - A method for measuring the luminance of a light-emitting object having a surface which has a definite area and which emits a low-intensity light and a device therefore, wherein a light-receiving surface of an optical sensor is brought into direct contact with the surface of the light-emitting object to measure the luminance thereof. As the optical sensor, a semiconductor sensor panel or, a solar panel is preferably used. The luminance of a light-emitting object which emits a low-intensity light can be measured simply, easily and properly without a darkroom and without a means such as a light condensing lens system which is complicated and difficult to use. | 09-17-2009 |
20090316142 | METHOD FOR MEASURING ILLUMINANCE OF LAMP - A method for measuring illuminance of a lamp utilizes at least one illuminance meter and a rotary apparatus. The lamp is installed on the rotary apparatus. The lamp emits light and projects onto an irradiation area. A measurement area is defined from within the irradiation area. The measurement area is evenly divided into n sub-measurement areas, wherein n is a natural number. The n sub-measurement areas are centrosymmetric. At least one illuminance meter measuring illuminance of the lamp is disposed on one of the n sub-measurement areas. The rotary apparatus drives the lamp to rotate 360/n° in turn. The single illuminance meter measures illuminance of the lamp in other (n-1) sub-measurement areas. | 12-24-2009 |
20100045974 | Compact Background-Free Balanced Cross-Correlators - A compact, background-free, balanced cross-correlator enables (a) the detection of a timing error between two ultrashort pulses with (sub-)femtosecond resolution and (b) the timing synchronization of ultrashort pulse lasers using the output signal of the detector to close a phase-locked loop and can therefore serve as an integral part of femtosecond timing distribution and synchronization systems. | 02-25-2010 |
20100073669 | OPTICAL SENSOR ASSEMBLY - The present invention provides systems and methods for measuring an analyte in a medium without exposing the medium to contamination. The systems and methods employ a novel combination of a small sensor device embedded in a Luer cap and capable of wirelessly transmitting data to a reading device. | 03-25-2010 |
20100134791 | METHOD AND APPARATUS FOR MEASURING OPTICAL POWER OF A LIGHT BEAM PRODUCED IN A MICROSCOPE - A method for measuring optical power of a light beam produced in a microscope, the microscope being equipped in standard with a slot intended to receive interposition slides; the method including the step of measuring the optical power by inserting a removable measuring probe in said slot, near a back pupil of a microscope objective. | 06-03-2010 |
20100141935 | Light amount measuring apparatus - A light amount measuring apparatus including a light amount measuring circuit and a power supply for supplying power to the light amount measuring circuit; wherein the light amount measuring circuit includes a light receiving device for receiving light and outputting an electric signal corresponding to light amount of the received light; a first switch for switching between electrical connection and disconnection between the light receiving device and the power supply; and a drive controller for controlling the first switch so that the first switch electrically connects the light receiving device to the power supply when the light receiving device is set to an activated state and electrically disconnects the light receiving device from the power supply when the light receiving device is set to a deactivated state. | 06-10-2010 |
20100182596 | PHOTOTRANSISTOR WITH SOURCE LAYER BETWEEN BARRIER LAYER AND PHOTOSENSITIVE SEMICONDUCTOR LAYER - A photo transistor has an active region spaced from a source by barrier. A drain is laterally spaced from the active region. Light incident on the active region creates electron-hole pairs. Holes accumulate at the barrier and modulate the effective barrier height to electrons. A gate reset voltage then is applied to gate which lower the barrier allowing the holes to escape. | 07-22-2010 |
20100231899 | SENSOR FOR THIOL ANALYTES - The present invention relates to a sensor for thiol analytes, to a sensor array and to a method of detecting thiol analytes using said sensor. | 09-16-2010 |
20100245808 | Apparatus for detecting electromagnetic wave - An apparatus for detecting electromagnetic wave includes an electromagnetic wave sensor, a first electrode and a second electrode spaced from each other and electrically connected to the electromagnetic wave sensor, and a measuring device electrically connected to the first electrode and the second electrode. The electromagnetic wave sensor includes a carbon nanotube structure. The carbon nanotube structure includes a plurality of carbon nanotubes extending along a same direction from the first electrode to the second electrode. The measuring device is capable of measuring resistance of the carbon nanotube structure. | 09-30-2010 |
20100309460 | PHOTOCONDUCTIVE MATERIALS AND DEVICES WITH INTERNAL PHOTOCONDUCTIVE GAIN - The invention provides a new class of photoconductive materials and devices, and methods for obtaining high internal photoconductive gain. The devices include a semiconductor or material with an electronic band gap provided in a confined geometry and which exhibits multi-exciton generation (MEG) when illuminated with photons with energies above the threshold for MEG. Due to carrier-carrier Coulombic interactions, multi-excitons within the confined material efficiently recombine via Auger recombination, in which a carrier from one exciton is excited to a higher energy level relative to the band edge. Carriers excited by Auger recombination are subsequently trapped by trap states that capture carriers excited high above the band edge more efficiently than carriers near the band edge. Carriers trapped by the trap states allow for the collection and recirculation of untrapped carriers of opposite charge when used as a photoconductive device, producing high internal photoconductive gain. | 12-09-2010 |
20100315624 | DEVICE FOR, AN ARRANGEMENT FOR AND A METHOD OF ANALYSING A SAMPLE | 12-16-2010 |
20100328653 | METHOD AND SYSTEM OF EVALUATING A STEREO IMAGE DISPLAYING PANEL - A method and a system of evaluating a stereo image displaying panel are provided. The evaluation method includes the following steps. An inspection frame is displayed on the stereo image displaying panel, wherein the displaying surface of the stereo image displaying panel has a first normal vector. A luminance of the inspection frame is sensed by an image sensing apparatus, wherein the sensing surface of the image sensing apparatus has a second normal vector. An angle is formed between the first normal vector and the second normal vector. The luminance of the inspection frame is sensed in different angles. A maximum luminance of the inspection frame is sensed by the image sensing apparatus when the angle is equal to a first angle. A luminance uniformity of the inspection frame is analyzed at the first angle. An optimized viewable distance is measured, and the degree of cross-talk is calculated. | 12-30-2010 |
20110043793 | OPTICAL SIGNAL MEASUREMENT DEVICES - A device includes a female connector to receive a male network connector of a network conduit, and a first male connector optically communicating with the female connector, where the first male connector includes a first indicator that identifies a first wavelength optical signal. The device also includes a second male connector optically communicating with the female connector, where the second male connector includes a second indicator that identifies a second wavelength optical signal. The device further includes a wavelength splitter to receive an optical signal from the network conduit via the female connector, provide the optical signal to the first male connector when the optical signal corresponds to the first wavelength optical signal, and provide the optical signal to the second male connector when the optical signal corresponds to the second wavelength optical signal. | 02-24-2011 |
20110051128 | Semiconductor Device and Electronics Equipped Therewith - A semiconductor device ( | 03-03-2011 |
20110116082 | Apparatus for Treating a Material and Method for Operating the Same - A laser-assisted material-machining device comprises a laser ( | 05-19-2011 |
20110128532 | PHOTODETECTOR DEVICE AND PHOTODETECTION METHOD AS WELL AS A MICROSCOPE AND AN ENDOSCOPE - Provided are a photodetector device and a photodetection method as well as a microscope and an endoscope allowing the heterodyne detection of a desired light to be detected with high sensitivity and at a high SN ratio. A photodetector device comprises a local light emitting unit for generating a local light in temporally unstable interference condition with a light to be detected and a photoelectric conversion unit for generating beat signals between the local light and the light to be detected by photoelectric conversion. The light is detected in heterodyne detection based on an output of the photoelectric conversion unit. | 06-02-2011 |
20110292381 | METHOD FOR MEASURING OPTICAL INPUT POWER BY AVALANCHE PHOTODIODE - A method to monitor an output of an APD is disclosed. The method includes steps of, (a) measuring dark currents of the APD at several temperatures in advance to a practical operation of the APD, (b) measuring an output current of the APD by illuminating the APD practically at a measured temperature, (c) estimating a dark current at the measured temperature from measured dark currents, and (d) subtracting the estimated dark current from the output current. | 12-01-2011 |
20110299068 | Luminous Flux Depreciation Notification System for Light Fixtures Incorporating Light Emitting Diode Sources - A LED light fixture and a luminous flux monitoring system for a light fixture. The light fixture includes a housing defining an interior space including an interior surface and a transmissive panel. A light source is coupled to the interior surface. The system includes a light sensor coupled to the interior surface and aligned to receive light from the transmissive panel, light source, and/or interior surface. The light sensor is configured to measure luminous flux in the interior space. A controller is coupled to the light source and the light sensor. The controller is configured to determine if a light sensor measurement of luminous flux in the interior space is more or less than a reference value of the luminous flux. If the measurement of luminous flux is less than the reference value, the controller is configured to activate an end-of-life indicator. The reference value equals (total flux−internal ambient flux)×depreciation factor. | 12-08-2011 |
20110304847 | Ambient Light Sensor - Embodiments described herein relate to a light sensing system. In one embodiment, the light sensing system may include a microprocessor including an input pin configured to receive a first voltage from a light sensor. The light sensing system may also include a pull-up resistor coupled to the input pin. The pull-up resistor may include a first gate. The light sensing system may further include a pull-down resistor coupled to the input pin. The pull-down resistor may include a second gate. The first and second gates may allow for connecting or disconnecting the pull-up and pull-down resistors based on the amount or intensity of light detected by the light sensor. | 12-15-2011 |
20110310381 | PHOTOSENSOR, SEMICONDUCTOR DEVICE INCLUDING PHOTOSENSOR, AND LIGHT MEASUREMENT METHOD USING PHOTOSENSOR - An object is to provide a photosensor utilizing an oxide semiconductor in which a refreshing operation is unnecessary, a semiconductor device provided with the photosensor, and a light measurement method utilizing the photosensor. It is found that a constant gate current can be obtained by applying a gate voltage in a pulsed manner to a transistor including a channel formed using an oxide semiconductor, and this is applied to a photosensor. Since a refreshing operation of the photosensor is unnecessary, it is possible to measure the illuminance of light with small power consumption through a high-speed and easy measurement procedure. A transistor utilizing an oxide semiconductor having a relatively high mobility, a small S value, and a small off-state current can form a photosensor; therefore, a multifunction semiconductor device can be obtained through a small number of steps. | 12-22-2011 |
20110317155 | APPARATUS FOR DETECTING ELECTROMAGNETIC WAVES - An apparatus for detecting electromagnetic waves includes a first electromagnetic wave sensor, two first electrodes, a second electromagnetic wave sensor, and two second electrodes. The two first electrodes are electrically connected to different portions of the first electromagnetic wave sensor. The second electromagnetic wave sensor crosses with and is spaced from the first electromagnetic wave sensor. The two second electrodes are electrically connected to different portions of the second electromagnetic wave sensor. | 12-29-2011 |
20120044485 | SYSTEM AND DEVICE FOR OPTICAL DETECTION OF PARTICLES WITH AN ARRAY FOR DECOUPLING OPTICAL INFORMATION, CORRESPONDING MANUFACTURING METHOD - The present disclosure relates to a system for optical detection of particles arranged in a viewing area suitable for being illuminated by radiation with a predetermined wavelength. The system includes an optical detector, as well as an assembly of metal plasmonic channels arranged in a single plane and in which one end is close enough to the viewing area to allow optical information to be transferred from one end to the other of the channels. In the system, the channels are arranged such that the assembly forms an array for transferring optical information around the viewing area. The value of at least one spatial characteristic of the array is respectively lower and higher than the wavelength near the ends of the channels that are respectively close to and far away from the viewing area. The system includes an optical decoupler between the ends that are far away from the viewing area and the optical detecter. The present disclosure also relates to a device for optical detection of particles as well as to methods for manufacturing such a system and such a device. | 02-23-2012 |
20120127460 | INTEGRATING CIRCUIT AND LIGHT-DETECTION DEVICE - A photodetecting device | 05-24-2012 |
20120133925 | LIGHT INTENSITY MEASURING UNIT AND MICROSCOPE INCLUDING THE SAME - A light intensity measuring unit for measuring an intensity of light emitted from a microscope includes an aperture stop, a field stop, at least one measurement lens arranged between the aperture stop and the field stop, and an interface for attachment to a microscope. The aperture stop is positioned on or close to a back focal plane of the at least one measurement lens. The field stop is positioned on or close to a front focal plane of the at least one measurement lens. | 05-31-2012 |
20120147361 | WAVELENGTH MONITOR - In a wavelength monitor that monitors a wavelength of laser light emitted from at least two semiconductor lasers formed in parallel on a semiconductor substrate, the wavelength monitor includes a collimating lens that collimates laser light from each of the semiconductor lasers, an etalon that is arranged so that laser light collimated by the collimating lens is capable of entering and has a periodicity, and a photodetector that receives laser light transmitted through the etalon and detects a light intensity, wherein a beam propagation angle in the etalon of laser light emitted from each of the semiconductor lasers becomes a predetermined angle obtained by formula 1. | 06-14-2012 |
20120257194 | Protective optical metrology system for determining attitude and position - Described herein is a projective optical metrology system including: a light target equipped with a plurality of light sources having a pre-set spatial arrangement; an optoelectronic image sensor; an optical unit receiving a light signal coming from the light target and defining two different optical paths for the light signal towards the optoelectronic image sensor, the two optical paths being such as to cause simultaneous formation on the optoelectronic image sensor of at least two images of the light target; and an electronic processing unit coupled to the optoelectronic image sensor and determining a plurality of different quantities indicating the position and attitude of the light target with respect to the optical unit, on the basis of the two images. | 10-11-2012 |
20120281206 | UNIT PIXELS, DEPTH SENSORS AND THREE-DIMENSIONAL IMAGE SENSORS INCLUDING THE SAME - A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction. | 11-08-2012 |
20130003051 | LIGHT EMITTING DIODE VERIFICATION SYSTEM - A light emitting diode (LED) verification system is provided having a mounting module for securing an LED board for testing. The mounting module includes a thermal management system for controlling the temperature of the LED board. A mounting plate is provided for centering the LED board. A clamp is provided for securing the LED board. A hood is positioned over the mounting module. The hood has a top and a base. The mounting module is positioned at the base of the hood. The mounting plate centers the LED board with respect to a centerline of the hood. A light meter is positioned at the top of the hood and centered with respect to the centerline of the hood. The light meter measures light emitted from the LED board. | 01-03-2013 |
20130057853 | PHOTOELECTRIC METER FOR STAMPS PERFORATIONS - Photoelectric Meter for Stamps Perforations made up of two rows of photoreceptor cells conveniently connected to printed circuits endowed with a CICounter, a CIConverter and a Display, integrated within a single unit. This device allows measuring the horizontal as well as the vertical perforation of any stamp as well as the number of perforations and/or their variation in the superficial element to be measured, discriminating the type of perforation, of foot, of line, etc. | 03-07-2013 |
20130077091 | INCREASING SENSOR DATA CARRYING CAPABILITY OF PHASE GENERATED CARRIERS - An apparatus in one example configured to receive and demodulate a homodyne carrier signal, where the homodyne carrier signal comprises sensor data for at least two sensors. | 03-28-2013 |
20130088713 | SOLID-STATE IMAGING DEVICE AND MANUFACTURING METHOD OF THE SAME, AND IMAGING UNIT - A solid-state imaging device includes a light sensing unit generating a signal charge by performing a photoelectric conversion of an incident light; a conductive material in the vicinity of the light sensing unit; a first light-shielding film formed to cover at least a portion of the conductive material; and a second light-shielding film formed on a part of or all of a surface of the first light-shielding film. | 04-11-2013 |
20130114072 | SOLAR CELL INSPECTION METHOD AND APPARATUS THEREOF - A solar cell inspection method and apparatus are disclosed. An embodiment of the solar cell inspection method includes the steps of: charging a diffusion capacitance of a solar cell; after charging the diffusion capacitance, discharging the diffusion capacitance; and detecting light emitted by the solar cell during the discharging step. | 05-09-2013 |
20130182246 | AMBIENT LIGHT BASED GESTURE DETECTION - A gesture sensing device includes one or more sensors and a processor for processing sensed voltages output from the sensors based on ambient light and/or reflected light received by the sensors. The processor determines an ambient light level and/or a distance between the target and the sensors such that, if the ambient light level exceeds an ambient light threshold and/or the distance is less than a distance threshold, the processor determines the motion of a target relative to the sensors based on the ambient light instead of the reflected light. | 07-18-2013 |
20130215418 | System to Detect Failed Pixels in a Sensor Array - A system to test operation of an optical sensor is disclosed. The optical sensor includes one or more photosensitive devices configured to convert light to electrical signals. A test light source is included within the housing of the optical sensor. The test light source is periodically pulsed on to emit radiation at a sufficient intensity to saturate each of the photosensitive devices. Each of the photosensitive devices generates a signal corresponding to the intensity of light detected at that device. A logic circuit uses the signals corresponding to the intensity of light to identify whether each of the photosensitive devices is performing at an acceptable level. | 08-22-2013 |
20130242290 | Imaging Sensor Array Testing Equipment - A testing device for testing one more characteristics of an electronic display. The testing device includes a main body and a receiving cavity defined within the main body configured to receive at least a portion of the electronic display. The testing device also includes a plurality of sensors positioned on a first surface of the testing device and configured to be in optical communication with at least a portion of the electronic display received within the cavity. The plurality of sensors is configured to detect at least one type of non-uniformity of the electronic display by detecting light emitted from the electronic display. | 09-19-2013 |
20140098363 | SYSTEM AND METHOD FOR DETERMINING SIZE AND LOCATION OF MINIMUM BEAM SPOT - The disclosure is directed to a system and method for determining at least one characteristic of an illumination beam emanating from an illumination source. A substrate having a plurality of apertures may be actuated through an illumination beam so that apertures at different spatial offsets are scanned through the illumination beam at one or more levels of focus. Portions of illumination directed through scanned apertures may be received by at least one detector. At least one characteristic of the illumination beam may be extracted from data points associated with intensity levels associated with detected portions of illumination. Furthermore, multiple determinations of a beam characteristic made over a period of time may be utilized to calibrate the illumination source. | 04-10-2014 |
20140125973 | ELECTRONIC TARGET FOR SIMULATED SHOOTING - The present invention is directed to an electronic target for use with a pulsed beam of laser light. The electronic target may include a housing, which includes a window and a solar cell. The solar cell may be disposed in the window for receiving a pulsed beam of light that may be emitted from a gun barrel or simulated weapon. The beam of light may have a predominant wavelength of between approximately 635 nm and 650 nm, as well as a pulse duration of between 1 ms and 50 ms, and a pulse modulation frequency of approximately 2 KHz. The electronic target may be tuned to the emission characteristics of the beam of light. The electronic target may be used to count a user's consecutive hits, drill how quickly a user can place a shot of laser light on the electronic target, and simulate a magazine change or burst shooting. | 05-08-2014 |
20140192351 | INSPECTING EQUIPMENT FOR INSPECTING A LIGHT EMISSION CHARACTERISTIC OF A MONITOR - Disclosed is an inspecting equipment for inspecting a light emission characteristic of a display screen includes: a carrying device provided for carrying the display screen, a cover device and a data analyzing device. The cover device has a detecting surface provided with a plurality of luminance detectors, and covers an emitting surface of the display screen to form a darkroom between the cover device and the detecting surface. A plurality of corresponding luminance information is generated by the luminance detectors provided for detecting a plurality of measuring zones of the emitting surface. The data analyzing device receives the luminance information and analyzes the light emission characteristic of the display screen according to the luminance information. And, it is thus able to rapidly inspect the light emission characteristic of the display screen during manufacture process, and is easy to be applied to a present producing line. | 07-10-2014 |
20140240698 | METHOD FOR CORRECTING FOR DARK CURRENT VARIATION IN TEC COOLED PHOTODIODES - An optical power meter including a photodiode having a surface for receiving a beam of light, a thermo-electric cooler for maintaining the photodiode at a predetermined temperature, and a current monitor for measuring a drive current passing through the thermo-electric cooler allows dark current drift arising from a varying thermal gradient across the active region of the photodiode to be corrected, thus improving stability of the optical power meter. More specifically, by monitoring the TEC drive current, and applying a correction factor to the optical power readings, the stability of optical power readings is improved by an order of magnitude. | 08-28-2014 |
20150009494 | OPTICAL TOUCH DEVICE - An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem. | 01-08-2015 |
20150022804 | OPTICAL MEASURING APPARATUS AND METHOD OF STEREOSCOPIC DISPLAY DEVICE - An optical measuring apparatus for measuring optical characteristics of a stereoscopic display device includes a test image supplier for generating a 3D test signal, a 3D display for displaying left-eye image and/or right-eye image based on the 3D test signal supplied from the test image supplier, a image selection member for selectively transmitting the left-eye image and right-eye image to be displayed on the 3D display, and a light measuring device for measuring intensity or color information of the image transmitted via the image selection member. | 01-22-2015 |
20150131086 | TRAVELING ENVIRONMENT DETECTION DEVICE - A driving environment detection device acquires a captured image of the direction the host vehicle is travelling in, and from the captured image, extracts parameters relating to brightness of a road surface for a road driven by the host vehicle. Then, on the basis of the parameters, the driving environment of the vehicle is estimated. By way of such a light control system, it is possible to more accurately detect ambient brightness by estimating the driving environment in accordance with the parameters related to the brightness of the road surface. Therefore, it is possible to accurately detect the driving environment. | 05-14-2015 |
20150323382 | LIGHT-DETECTING DEVICE AND METHOD FOR CONVERTING OPTICAL RADIATION ON SWITCHED CONDUCTIVITY DIODES - A light-detecting device and method for converting optical radiation on switched conductivity diodes. The device comprises one or more photosensitive cells connected to address and signal lines, each cell comprising the following elements connected in series: a photodetector, an initial charge input circuit, a charge converter for converting the charge generated by the photodetector signal in addition to the initial charge into photodetector output voltage, a comparator which converts the difference between the photodetector output voltage and reference voltage into a digital cell signal, a reading circuit for reading the digital cell signal through the address lines and the signal lines, a circuit for generating digital codes of the cell signal, a random access memory for storing the digital codes, a reading circuit for reading the digital codes of the cell signals on one or more outputs of the light-detecting device. | 11-12-2015 |
20150355051 | OPTICAL SYSTEM - An optical system includes a sample carrier receiving region configured to receive a sample carrier carrying a sample for processing, a source that emits an excitation signal having a wavelength within a first predetermined wavelength range, and a first set of optical components that direct the excitation signal along an excitation path to the sample carrier receiving region, wherein radiation having a wavelength within a second predetermined wavelength range is emitted from the sample carrier receiving region in response to receiving the excitation signal. The optical system further includes a detector configured to detect the emitted radiation and generates a signal indicative of a power of the detected radiation and a second set of optical components that directs the emitted radiation along a collection path to the detector. The optical system further includes a power meter that measures a power of the radiation emitted from the sample carrier receiving region and generates a signal indicative thereof. | 12-10-2015 |
20150369658 | LIGHT ASSEMBLY EMPLOYING UNCHARACTERIZED LIGHT SOURCES - The present disclosure is directed to a light assembly employing uncharacterized light sources. An example device may comprise at least one light source, a memory and at least one interface. Light emitted by the at least one light source may be tested. Configuration data based on results of the testing may be stored in the memory. The above device may then be used in other assemblies. For example, a system may be assembled including at least one of the device and a power supply. The power supply may be able to read the configuration data from the memory and configure itself based on the configuration data. For example, to generate light with certain characteristics the power supply may use the configuration data to determine at least one drive current to cause the at least one device to emit light having the desired characteristics. | 12-24-2015 |
20160003670 | TECHNIQUES FOR LUMEN MAINTENANCE AND COLOR SHIFT COMPENSATION - Techniques are disclosed for maintaining consistent lumen output of a lighting assembly over time. By maintaining a consistent lumen output, it is possible to maintain acceptable color stability where color mixing of multiple outputs is used. The lighting assembly may be any lighting configuration that might suffer from lumen depreciation and/or color drift over time, and may include any type(s) of light source(s) that may be monitored and driven accordingly. The lighting assembly, in addition to light source(s), includes a photo detector and a directed light source, such as a laser. The directed light source provides a golden sample for use in calibrating the photo detector, which in turn monitors lumen output of the light source(s). Drive signals are adjusted to account for lumen depreciation of the monitored light source(s). | 01-07-2016 |
20160011045 | HANDHELD OPTICAL RADIATION METER AND CORRECTION METHOD THEREOF | 01-14-2016 |
20160033779 | OPTICAL MEASURING APPARATUS AND METHOD OF STEREOSCOPIC DISPLAY DEVICE - An optical measuring apparatus for measuring optical characteristics of a stereoscopic display device includes a test image supplier for generating a 3D test signal, a 3D display for displaying left-eye image and/or right-eye image based on the 3D test signal supplied from the test image supplier, a image selection member for selectively transmitting the left-eye image and right-eye image to be displayed on the 3D display, and a light measuring device for measuring intensity or color information of the image transmitted via the image selection member. | 02-04-2016 |
20160033783 | OPTICAL SYSTEM FOR GENERATING BEAM OF REFERENCE LIGHT AND METHOD FOR SPLITTING BEAM OF LIGHT TO GENERATE BEAM OF REFERENCE LIGHT - An optical system for generating at least one beam of reference light according to one aspect of the present invention includes an optical emitter configured to emit a first beam of light, and a beam splitter configured to split the first beam into a second beam of measuring light for irradiating a target to be measured and at least one third beam of reference light. The beam splitter is disposed to make an incident angle of the first beam into the beam splitter be less than 10 degrees. | 02-04-2016 |
20160099550 | LASER APPARATUS AND INFORMATION ACQUISITION APPARATUS USING THE SAME - A laser apparatus includes an active medium, a first reflection portion, a second reflection portion, a first laser array including a plurality of semiconductor lasers, a third reflection portion configured to reflect at least part of light emitted from the first laser array and transmitted through the active medium, and a fourth reflection portion configured to transmit at least part of light emitted from the first laser array, and to reflect at least part of light reflected by the third reflection portion and transmitted through the active medium. The fourth reflection portion is disposed across the plurality of semiconductor lasers including respective light-emitting regions of the plurality of semiconductor lasers of the first laser array. | 04-07-2016 |
20160153832 | LED END OF LIFE OPTICAL COMPARATOR AND METHODS FOR DETERMINING LED LIGHT FIXTURE END OF LIFE | 06-02-2016 |
20160172821 | Vertical Cavity Surface Emitting Laser Assembly | 06-16-2016 |