| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 250341800 | Measuring infrared radiation reflected from sample | 74 |
| 20080203307 | Encoded binary liveness detector - A device for detecting the presence of human skin including an illuminator source for providing a first encoded IR band and a second encoded IR band. The first encoded IR band is capable of being reflected from skin and the second encoded IR band is capable of being absorbed by skin. A detector receives the first and second encoded IR band after the bands have contacted the skin and provides an encoded signal indicating the presence or absence of each of the first and second IR bands. A processing unit decodes and processes the signal and indicates the presence of skin when the first IR band is present and the second IR band is absent. | 08-28-2008 |
| 20080296501 | System and method for detecting contraband - A technique is provided for detecting whether an object of interest is being carried by a subject. The technique includes coarsely scanning the subject with an electromagnetic radiation, measuring reflective intensity of radiation reflected from the subject, and detecting the presence or absence of the object of interest based upon the measured reflective intensity. | 12-04-2008 |
| 20090032711 | Method Of Illumination For In-Flight Refueling - An illuminating system, device, and method are provided to illuminate an in-flight refueling operation involving a first aircraft, serving as a tanker aircraft and carrying the illuminating system of the present invention, and a second aircraft, entering an in-flight refueling position relative to the first aircraft. The system, device, and method of the present invention provide eye-safe, covert illumination suitable for illuminating the in-flight refueling position such that the second aircraft is illuminated upon entering the in-flight refueling position. | 02-05-2009 |
| 20090045343 | TERAHERTZ DETECTORS FOR USE IN TERAHERTZ INSPECTION OR IMAGING SYSTEMS - A technique is provided for examining a subject. The technique includes illuminating at least a part of the subject with THz radiation and detecting THz radiation reflected and/or transmitted from the illuminated part and incident upon a detector array by measuring change in capacitance corresponding to the incident THz radiation. | 02-19-2009 |
| 20090084959 | Methods of Thermoreflectance Thermography - An embodiment of a method of performing thermoreflectance measurements with an imaging system comprises: reflecting radiation from a number of points in a sample in response to an illuminating radiation while a temperature modulation is applied to the sample; acquiring digital images of the reflected radiation after the reflected radiation passes through an aperture; and deriving a map of relative reflectivity of the sample based on the digital images. At least a portion of the illuminating radiation passes through at least a portion of the sample and is reflected at a change refractive index interface. | 04-02-2009 |
| 20090289188 | METHOD FOR CONTROLLING AN ELECTRONIC DEVICE THROUGH INFRARED DETECTION - A method for controlling an electronic device through infrared detection includes an infrared sensor to detect displacement alteration waveforms of a targeted object to generate a control signal to control the electronic device. The method includes: setting at least one execution command; setting an executing condition for each execution command; getting a detection signal of the infrared sensor; processing alteration waveforms of the detection signal; judging whether the detection signal alteration waveforms coincided with the executing condition; and executing the execution command corresponding to the executing condition. By means of the method set forth above the infrared sensor can detect movement of the targeted object, and convert the movement to a control means for the electronic device. Thereby through the movement of an object the electronic device can be activated to perform a selected function. | 11-26-2009 |
| 20090314944 | TERAHERTZ INVESTIGATIVE SYSTEM AND METHOD - A system for investigating a plurality of samples having varying positions or orientations moving with respect to the system, the system including an emitter of terahertz radiation for irradiating a sample provided in a sample space; a detector of terahertz radiation configured to detect radiation reflected from said sample space; and determining means to determine if radiation reflected from said sample space is from a sample with a predetermined orientation in the sample space. | 12-24-2009 |
| 20100032571 | METHOD FOR PERFORMING MID-IR SPECTROSCOPY MEASUREMENTS TO MEASURE FILM COATING THICKNESS, WEIGHT AND/OR FILM COMPOSITION - A method of determining a film coating thickness on a substrate and/or amount one or more compositional ingredients of said film coating including making mid-IR spectra of a series of coating thickness or coating weight standards (and/or composition standards) on an appropriate substrate material to match sample material in question, pre-processing the data to prepare it for multivariate calibration methods, performing the multivariate calibration, saving the calibration model in the hand-held mid-IR device in an appropriate format, and using the calibration model to predict sample material in question from their mid IR spectra. | 02-11-2010 |
| 20100032572 | METHOD FOR PERFORMING IR SPECTROSCOPY MEASUREMENTS TO DETERMINE FILM COATING THICKNESS ON A SUBSTRATE - A method of determining a film coating thickness on a substrate including making near-IR spectra of a series of coating thickness or coating weight standards on an appropriate substrate material to match sample material in question, pre-processing the data to prepare it for multivariate calibration methods, performing the multivariate calibration, saving the calibration model in the hand-held near-IR device in an appropriate format, and using the calibration model to predict sample material thickness in question from their near IR spectra. | 02-11-2010 |
| 20100032573 | Method for Performing IR Spectroscopy Measurements to Determine Coating Wight/Amount for Metal Conversion Coatings - A method of determining a coating weight and/or amount of a conversion coating on a metallic substrate including making near-IR spectra of a series of coating weight standards on an appropriate substrate material to match sample material in question, pre-processing the data to prepare it for multivariate calibration methods, performing the multivariate calibration, saving the calibration model in the hand-held near-IR device in an appropriate format, and using the calibration model to predict sample material in question from their near IR spectra. | 02-11-2010 |
| 20100038545 | Method and Device for Optically Determining the Position of an Object - The invention relates to a method and a device for optically determining the position of an object in a particular area of a substantially plane surface. According to the invention at least one directional single-point emitter associated with at least two directional single-point light receivers covering the particular area are disposed near said particular area, each light emitter and receiver having an axis substantially parallel to the particular area and on which maximum emission, respectively maximum sensing angle, is observed, so that the axes of the receivers intersect the axis of the emitter at different points. The light emitter is energized and the position of the object on the axis of the emitter is determined as a function of a comparison of the light signals reflected and diffused by the object toward each of the two light receivers. | 02-18-2010 |
| 20100096553 | REFLECTIVE OPTICAL SENSOR AND SWITCHES AND SYSTEMS THEREFROM - A reflection-based optical sensor device ( | 04-22-2010 |
| 20100096554 | DEVICE AND METHOD FOR EVALUATING CLEANLINESS - The device comprises a floodlight unit and a receiver unit and a processing unit. The floodlight unit applies an infrared light to the surface of a work piece, and comprises a surface light source and a focusing lens. The receiver unit receives the infrared light reflected from the surface of the work piece, and comprises a receiver sensor and a filter, which passes the infrared light that has the wavelength which contaminants on the surface absorb. The processing unit evaluates the cleanliness of the surface of the work piece according to the absorbance of the infrared light reflected from the surface. And a receiving area of the reflected infrared light from the surface is set smaller than an applying area of the applied infrared light to the surface. | 04-22-2010 |
| 20100108891 | HIGH REFLECTANCE TERAHERTZ MIRROR AND RELATED METHOD - A method includes forming a plurality of mirror periods, stacking the mirror periods, and bonding the mirror periods together to form a high reflectance mirror. At least one of the mirror periods is formed by bonding a first semiconductor layer to a first side of a film layer (where the film layer is formed on a second semiconductor layer), forming an opening through the second semiconductor layer to expose the film layer, and cutting through the first semiconductor layer, the film layer, and the second semiconductor layer. The first semiconductor layer could include a high resistivity silicon wafer, the film layer could include an oxide film, and the second semiconductor layer could include a silicon wafer. The high resistivity silicon wafer could be approximately 110 μm thick, and the silicon wafer could be approximately 125 μm thick. The opening through the second semiconductor layer could be 1.25 cm to 1.75 cm in width. | 05-06-2010 |
| 20100148069 | INFORMATION ACQUISITION APPARATUS AND INFORMATION ACQUISITION METHOD USING TERAHERTZ WAVE FOR ACQUIRING INFORMATION ON OBJECT - An information acquisition apparatus includes a pulse generator | 06-17-2010 |
| 20100148070 | ANALYSIS APPARATUS AND METHOD - A method of performing dissolution analysis on a tablet, the method comprising: irradiating a tablet with radiation having at least one frequency in the range from 40 GHz to 100 THz; detecting radiation which has been transmitted through or reflected by the tablet; determining a parameter from the detected radiation indicative of the density of a coating layer of the tablet; and determining information about the dissolution characteristics of the tablet from said parameter. | 06-17-2010 |
| 20100148071 | INSPECTION APPARATUS AND INSPECTION METHOD - An inspection apparatus for inspecting a subject (sample) (for example, performing identification or imaging of the subject) using an expansion coefficient with a relatively small amount of data. The inspection apparatus includes a transforming unit that performs a wavelet transform on a terahertz time waveform obtained using a terahertz wave detected by a detecting unit. In addition, the inspection apparatus includes a selecting unit that selects, from a first expansion coefficient in the wavelet transform, a second expansion coefficient stored in advance and included in the first expansion coefficient. Furthermore, the inspection apparatus includes a comparing unit for comparing a first value of the second expansion coefficient with a second value of the second expansion coefficient selected by the selecting unit. | 06-17-2010 |
| 20100213377 | Method, Apparatus and Kit for Measuring Optical Properties of Materials - A kit, apparatus and method are presented for use in measuring an optical property of a sample. The kit comprises at least one reference unit, having a reference surface of a directional emissivity of a certain value; and main and auxiliary chambers, each defining an optical window allowing passage of electromagnetic radiation therethrough. The main chamber is configured to define a region thereof for accommodating the reference unit and the sample, and is configured to screen this region from external radiation. | 08-26-2010 |
| 20100288930 | ARRANGEMENT AND METHOD FOR DETECTING AN OBJECT WHICH IS ARRANGED ON A BODY, IN PARTICULAR FOR CARRYING OUT A SECURITY CHECK - The invention relates to an arrangement ( | 11-18-2010 |
| 20110001047 | Method of Predicting Thermal or Chemical Effect In A Coated Or Painted Composite Material - A method of predicting thermal or chemical effect in a painted or coated composite material includes generating a calibration model, providing a composite material having a coating layer, irradiating the coating layer with infrared energy, detecting infrared energy reflected from the coating layer and predicting a thermal or chemical history of the coating layer using the calibration model and the infrared energy reflected from the coating layer. | 01-06-2011 |
| 20110108731 | Thermal Effect Measurement with Near-Infrared Spectroscopy - A method of determining a physical property of a composite material includes providing a series of composite materials surfacing films, which are subjected to increasing thermal experience to create a set of thermal effect standards, collecting near-IR spectra on those standards, performing data pre-processing and then multivariate calibration on the spectra of the composite materials surfacing films, and using that calibration to predict the thermal effect for samples in question. | 05-12-2011 |
| 20110127433 | DEVICE AND METHOD FOR DETERMINING MOISTURE IN A SAMPLE - A device has a radiation device for radiating a terahertz signal onto the sample, a receiving device for receiving the terahertz signal reflected at the sample, a measuring device for measuring the intensity of the terahertz signal received and an analytical device for determining the moisture in the sample as a function of the measured intensity of the terahertz signal received. | 06-02-2011 |
| 20110168897 | RAPID DIAGNOSIS OF A DISEASE CONDITION USING INFRARED SPECTROSCOPY - Reliable and rapid diagnostic methods for many functional syndromes (FS) such as Bladder Pain Syndrome/Interstitial Cystitis (IC) are not available. Exemplary embodiments include rapid and accurate methods for diagnosing FS in humans and domestic cats using infrared microspectroscopy (IRMS). Exemplary methods utilize Soft Independent Modeling by Class Analogy (SIMCA) to create classification models. Exemplary methods utilize classification models to classify a test subject's condition (e.g., healthy/sick). Using these classification models, various embodiments enable diagnosis based on spectra data from a fluid biomedical specimen. Exemplary embodiments may be useful to rapidly diagnose IC and various other conditions in humans, cats, and/or other mammals. | 07-14-2011 |
| 20110284748 | APPARATUS AND METHOD OF MEASURING TERAHERTZ WAVE - A time-domain waveform of a terahertz wave is measured by a method based on time-domain spectroscopy by using an optical delay unit to adjust an optical path length along which excitation light propagates thereby adjusting a difference between a time at which the excitation light arrives at a generating unit configured to generate the terahertz wave and a time at which the excitation light arrives at a detection unit configured to detect the terahertz wave. The optical delay unit is driven according to a first speed pattern to acquire a first time-domain waveform. The optical delay unit is then driven according to a second speed pattern different from the first speed pattern to acquire a second time-domain waveform. The first time-domain waveform and the second time-domain waveform are averaged. | 11-24-2011 |
| 20120153160 | METHOD OF DETECTING CONTAMINANTS - Disclosed herein is a use and a method for the detection of petroleum hydrocarbon in a sample. The method comprises the steps of subjecting the sample to infrared (IR) radiation, and detecting an IR signal in the range of 1360 cm | 06-21-2012 |
| 20120187296 | Interfacing devices and systems - A system combining the output of a thermal detection and imaging device with a capture and display device, such as a cordless or portable telephone/camera, is used to manage thermal information and displays. | 07-26-2012 |
| 20120228508 | ACTUATING AND DISPLAY PLATE - An actuating and display plate for a flushing device consists of a non-conductive transparent material, wherein the plate has at least one viewing window, behind which are disposed: an infrared light source, a proximity sensor, which works on a light-reflection basis and is sensitive to the wavelength zone and with which the flushing device can be triggered, and a display light source within the visible light zone. On the plate is provided a back coating, which has a transmission in the range between 2 percent and 15 percent for the visible light zone ( | 09-13-2012 |
| 20120267534 | METHOD AND APPARATUS FOR INSPECTING SEALING DEFECT OF CONTAINER - A method for inspecting sealing defects of a container using infrared light. Infrared light in a wavelength range of 1450 nm±20 nm is irradiated from a phototransmitter onto the sealed portion of a sample container. Infrared light reflected from or transmitted through the sealed portion of the sample container is received by a photoreceiver, and transmitted to a photodetector through an optical fiber. The infrared light in a same wavelength range as the case of inspecting the sample container is irradiated onto the sealed portion of a container to be inspected. The infrared light reflected from or transmitted through the sealed portion of the inspected container is converted into the analog voltage value and transmitted to a controller. If the infrared light is reduced to be smaller than a threshold set on the basis of the sample container, the sealed portion of the inspected container is judged as a sealing defect. | 10-25-2012 |
| 20130105694 | APPARATUS AND METHOD FOR DETECTING DURABILITY WIPER BLADE | 05-02-2013 |
| 20130112879 | Laser Viewing System - A laser imaging system comprises a laser pointer capable of irradiating a target with energy from the laser, a filter configured to pass reflected laser radiation reflected from a target and block radiation emitted from one or more objects in the target environment, and a laser viewer capable of processing the radiation passed by the filter and generating a corresponding image. | 05-09-2013 |
| 20130119256 | NONDESTRUCTIVE TESTING OF A CARRIER ELEMENT OF AN ELEVATOR INSTALLATION - A testing device includes a receiving unit for electromagnetic signals arranged on a carrier element to be tested to generate test data from received electromagnetic radiation. The test data are evaluated in a processing system to determine a deviation of the test data from a nominal state of the carrier element. The testing device is used to test a carrier element of an elevator installation on which the elevator car is suspended. | 05-16-2013 |
| 20130126737 | NONDESTRUCTIVE TESTING OF A CARRIER ELEMENT OF AN ELEVATOR INSTALLATION - A testing device includes a receiving unit for electromagnetic signals arranged on a carrier element to be tested to generate test data from received electromagnetic radiation. The test data are evaluated in a processing system in order to determine a deviation of the test data from a nominal state of the carrier element. The testing device is used to test a carrier element of an elevator installation on which the elevator car is suspended. | 05-23-2013 |
| 20130140462 | DETECTING SURFACE STAINS USING HIGH ABSORBANCE SPECTRAL REGIONS IN THE MID-IR - Methods and systems for detecting the presence of a substance on a surface are provided. The method can include directing a modulated light beam (e.g., having a wavelength of about 3 to about 20 μm) from a light source to a beam expander such that the beam expander widens the diameter of the light beam into an expanded beam. The expanded beam can then be directed onto the surface to form an illuminated area. A specular reflection can then be detected from the illuminated area on the surface in each light cycle, and the presence of the substance on the surface can be determined. | 06-06-2013 |
| 20130140463 | DETECTING HEAT CAPACITY CHANGES DUE TO SURFACE INCONSISTENCIES USING HIGH ABSORBANCE SPECTRAL REGIONS IN THE MID-IR - Methods and systems for detecting the presence of an inconsistency in or on a surface are generally provided. The method can include directing a modulated light beam (e.g., having a wavelength of about 3 μm to about 20 μm) from a light source to a mirror. The mirror then directs a reflected light beam onto the surface (e.g., directly onto the surface or indirectly onto the surface via a additional mirror(s)). The mirror is controlled to scan the reflected light beam across the surface. A specular reflection from the surface can then be detected in each light cycle, and the presence of the inconsistency on the surface can be detected. | 06-06-2013 |
| 20130153770 | Rapid Diagnosis of A Disease Condition Using Infrared Spectroscopy - Reliable and rapid diagnostic methods for many functional syndromes (FS) such as Bladder Pain Syndrome/Interstitial Cystitis (IC) are not available. Exemplary embodiments include rapid and accurate methods for diagnosing FS in humans and other mammals using infrared microspectroscopy (IRMS). Exemplary methods utilize Soft Independent Modeling by Class Analogy (SIMCA) to create classification models. Exemplary methods utilize classification models to categorize a subject's condition (e.g., healthy/sick and or flare/remission). Using these classification models, various embodiments enable diagnosis based on spectra data from a blood sample or other biomedical specimen. Exemplary embodiments may be useful for rapid diagnosis of IC and various other conditions in humans, cats, and/or other mammals. | 06-20-2013 |
| 20130200264 | METHOD AND ARRANGEMENT FOR MEASURING AND TESTING A VEHICLE FRAME - A method for measuring and testing a vehicle frame ( | 08-08-2013 |
| 20130228691 | CIRCUIT CONFIGURATION AND METHOD FOR TIME OF FLIGHT SENSOR - An apparatus includes a photodiode, a first and second storage transistor, a first and second transfer transistor, and a first and second output transistor. The first transfer transistor selectively transfers a first portion of the image charge from the photodiode to the first storage transistor for storing over multiple accumulation periods. The first output transistor selectively transfers a first sum of the first portion of the image charge to a readout node. The second transfer transistor selectively transfers a second portion of the image charge from the photodiode to the second storage transistor for storing over the multiple accumulation periods. The second output transistor selectively transfers a second sum of the second portion of the image charge to the readout node. | 09-05-2013 |
| 20130240737 | WAVEGUIDE STRUCTURE FOR MID-IR MULTIWAVELENGTH CONCATENATED DISTRIBUTED-FEEDBACK LASER WITH AN ACTIVE CORE MADE OF CASCADED STAGES - Concatenated distributed feedback lasers having novel waveguides are disclosed. The waveguides allow for coupling of the laser beam between active and passive waveguide structures and improved device design and output efficiency. Methods of making along with methods of using such devices are also disclosed. | 09-19-2013 |
| 20130248717 | METHOD AND APPARATUS TO DETERMINE USER PRESENCE - According to some embodiments, a method and apparatus are provided to receive a first signal from a sensor, determine that a user is present based on the received first signal, receive a second signal from the sensor, and determine if the user is still present based on the received second signal. | 09-26-2013 |
| 20130306872 | LOW-COST MEASUREMENT SYSTEM FOR PHOTOPOLYMER FILM POLYMERIZATION MONITORING - A monitoring device includes a light source, an optical filter, and an optical detector. The monitoring device may monitor curing processes, such as ultraviolet (UV) curing processes to determine the progression of the level of cure of a light-activated material to a substrate. The light source emits light toward a light-activated material, such as a film, and/or a substrate. The optical filter is positioned so that a wavelength of the light is transmitted through the optical filter after the light is reflected off of the substrate and/or the film. The optical detector is positioned to detect the light that is transmitted through the optical filter. | 11-21-2013 |
| 20130334421 | MEASUREMENT APPARATUS AND METHOD, TOMOGRAPHY APPARATUS AND METHOD - A measurement apparatus including a convergence unit for converging the electromagnetic wave to the object; a detection unit for detecting electromagnetic waves from the object; and an adjustment unit for adjusting a relative position between the object and the convergence position set by the convergence unit in a detecting region selected by using interval information about an interval between a first electromagnetic wave from the first reflecting surface and a second electromagnetic wave from the second reflecting surface, the first and second electromagnetic waves being acquired by using a detection result of the detection unit, in which the detecting region is a region in which a measurement position of the object at the time of detecting electromagnetic waves from the object is determined based on relative position information selected from and by using a plurality of pieces of information on the relative position corresponding to the interval information. | 12-19-2013 |
| 20130334422 | THICKNESS MONITORING DEVICE, ETCHING DEPTH MONITORING DEVICE AND THICKNESS MONITORING METHOD - A thickness monitoring device capable of performing thickness measurement of an object of measurement in real time even when using a relatively narrow band light source. This etching monitoring device (thickness monitoring device) includes a light source which produces measurement light having a predetermined wavelength bandwidth; an array detector which detects, for each wavelength, interference light of measurement light reflected from mask, whereof the thickness changes over time; and data processing unit which computes the thickness of the mask based on change over time of a plurality of single-wavelength components of the interference light detected by the array detector. | 12-19-2013 |
| 20140021353 | MEASUREMENT STRUCTURE, METHOD OF MANUFACTURING SAME, AND MEASURING METHOD USING SAME - A measurement structure including an aperture array structure made of a metal and having a plurality of aperture portions, and a support base supporting the aperture array structure. The measurement structure is used in a measuring method by applying an electromagnetic wave to the measurement structure on which a specimen is held, detecting frequency characteristics of the electromagnetic wave transmitted through the measurement structure or reflected by the measurement structure, and measuring characteristics of the specimen. At least a first part of a surface of the aperture array structure proximal to the support base is joined to the support base, and at least a second part of the surface of the aperture array structure defines at least part of the plurality of aperture portions, the second part of the surface being proximal to the support base and not in contact with the support base. | 01-23-2014 |
| 20140027643 | ELECTRODE POSITION DETECTION DEVICE AND ELECTRODE POSITION DETECTION METHOD - An electrode position detection device detects a relative positional relationship between a positive electrode and a negative electrode, when a packaged electrode having the positive electrode disposed inside a bag-shaped separator and the negative electrode are alternately stacked. The device includes a light source, a camera, and a detector. The light source projects light that penetrates the separator and is reflected by the electrodes. The camera receives the light reflected by the positive electrode when the packaged positive electrode is on the uppermost layer and receives the light reflected by the negative electrode when the negative electrode is on the uppermost layer. The detector detects the relative positional relationship between the electrodes based on the results of light reception by the camera when the packaged positive electrode is on the uppermost layer and the results of light reception by the camera when the negative electrode is on the uppermost layer. | 01-30-2014 |
| 20140034834 | MIRROR REFLECTION PROCESSING METHOD FOR POSITION SENSITIVE DETECTOR DEVICE - A mirror reflection processing method for a position sensitive detector device in intelligent bathroom products. The infrared emitter in the position sensitive detector device is provided with two infrared emitting intensity modes. The position sensitive detector device determines whether to consider that no signal is collected in current collection according to the result of comparison between the reflected infrared signal intensity received by the infrared receiver and the preset value therein, thereby overcoming the mis-operation of the position sensitive detector device when being opposite to objects with relatively high reflectivity, and making the position sensitive detector device even more widely applied. | 02-06-2014 |
| 20140061477 | ACTIVE DEVICE FOR VIEWING A SCENE THROUGH A DIFFUSING MEDIUM, USE OF SAID DEVICE, AND VIEWING METHOD - An active device ( | 03-06-2014 |
| 20140138544 | EYE TRACKING SYSTEM AND RELATED METHODS - A tracking system for tracking an eye including a light source projecting light toward a display surface in a sequential pattern, one or more reflectors associated with an optical device, where the one or more reflectors reflect the pulses of light from the display source, one or more photo detectors, where the photo detectors detect reflected pulses of light from the light source, and a system that measures pulse timing relative to horizontal and vertical pattern to compute a gaze angle of the eye. | 05-22-2014 |
| 20140191131 | Terahertz Wave Generator and Terahertz Wave Measurement Method - Excitation light of two wavelengths is incident to an optical crystal from a first face side, and a terahertz wave THz | 07-10-2014 |
| 20140197317 | Infrared Sensors for Electronic Devices - An electronic device may be provided with proximity sensor capabilities for monitoring for the presence of nearby external objects. The electronic device may make temperature measurements such as measurements involving the monitoring of nearby objects for emitted blackbody light indicative of whether or not the external object is a heat-emitting object such as a human body part. The same sensor that is used in gathering temperature readings may be used in gathering proximity sensor data or separate temperature sensor and proximity sensor detector structures may be used. Motion sensor capabilities may be provided using sensor structures having an array of heat sensing elements. Signals from the array of heat sensing elements may be used in making temperature measurements and in gathering proximity sensor readings. Sensor structures may operate at wavelengths longer than 3 microns such as wavelengths from 3-5 microns or 10-15 microns. | 07-17-2014 |
| 20140252236 | ENHANCING DEPTH PERCEPTION - Apparatuses and methods enhance depth perception, e.g., the depth perception of a human being using an apparatus worn on the user's head. | 09-11-2014 |
| 20140252237 | METHODS OF DETECTING THE PRESENCE OF MICROORGANISMS IN A SAMPLE - The present disclosure provides a method of detecting the presence of a microorganism in a tested sample, the method comprises:
| 09-11-2014 |
| 20140264034 | NEAR-FIELD OPTICAL SENSING SYSTEM - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for sensing touch and/or gestures in the near-field area overlying a light-guiding layer within a device or other optical sensing system. In one aspect, modulated infrared light is emitted into the overlying area, and the light reflected by objects within the overlying area is redirected through the light-guiding layer to infrared sensors. In one aspect, a masking structure can be located between the light-guiding layer and the infrared sensors. In some aspects, probability mapping or backtracing can be used to estimate the locations of objects within the overlying area. | 09-18-2014 |
| 20140291524 | INFORMATION ACQUIRING APPARATUS AND INFORMATION ACQUIRING METHOD OF ACQUIRING INFORMATION OF SAMPLE BY USING TERAHERTZ WAVE - An information acquiring apparatus that acquires information of a sample includes an irradiation unit configured to irradiate an irradiation position of the sample with a terahertz wave through a transmission member being in contact with the sample; a detection unit configured to detect a terahertz wave reflected by the transmission member and a terahertz wave reflected by the sample; a waveform acquiring unit configured to acquire a time waveform of the terahertz wave reflected by the transmission member and a time waveform of the terahertz wave reflected by the sample, by using detection results of the detection unit; and an information acquiring unit configured to acquire the information of the sample by using the time waveform of the terahertz wave reflected by the transmission member, the time waveform of the terahertz wave reflected by the sample, and information relating to a thickness of the transmission member at the irradiation position. | 10-02-2014 |
| 20140299775 | METHOD AND APPARATUS FOR MONITORING INDIVIDUALS WHILE PROTECTING THEIR PRIVACY - A system for monitoring individuals while protecting their privacy includes at least one energy emitter configured to emit energy onto a field-of-view that may contain an individual, and at least one energy sensor configured to capture reflected energy from within the field-of-view. A spatial measurement module calculates spatial measurements of objects within the field-of-view based on data from the energy sensor. A schematic generation module creates schematic views of objects within the field-of-view, distinguishing human beings from each other and from inanimate objects or animals. Three-dimensional measurements of the individual and environs are transformed into a two-dimensional or other schematic view, allowing ongoing monitoring of the individual while preventing viewing of the individual's face and appearance, and preventing observation of what the individual may be wearing or watching. | 10-09-2014 |
| 20140312233 | TIME OF FLIGHT ILLUMINATION CIRCUIT - Some aspects of the present disclosure provide system and method of operation of a driving circuit for a light emitting element in a Time-of-Flight (ToF) camera. A DC-DC converter is configured to emit a constant current, and is coupled in parallel to a first modulation switch configured to connect the driving circuit to ground. The first modulation switch is further configured to alternate connections between the current source and ground at a frequency in a desired range of operation to produce an AC current. In some embodiments, an RC circuit element is coupled to an output electrode of the light emitting element and configured to apply a reverse bias to decrease turn-off time of the light emitting element. In some embodiments, a second modulation switch is coupled to the output electrode and configured to apply the reverse bias across the light emitting element. Other systems and methods are also disclosed. | 10-23-2014 |
| 20140319356 | METHOD AND APPARATUS FOR DETERMINING A SUBSTANCE USING THZ RADIATION - The invention relates to a method for determining a liquid in a closed container using THz radiation, in which a first and a second measurement are carried out, wherein the THz radiation is emitted in the direction of the liquid for measuring properties of the liquid, and a portion of the THz radiation coming from the direction of the liquid is detected. In the proposed method, the closed container contains, in addition to the liquid, a gas, wherein a wall of the container is transmissive for THz radiation and wherein the detected portion of the THz radiation in the first measurement is reflected at a boundary surface between the wall and the gas or a pocket containing the gas, and in-the second measurement is reflected at a boundary surface between the wall and the liquid. The first measurement thus serves as a reference measurement for capturing disturbing losses in the THz beam path and for determining influences of the wall on a measurement result for the second measurement. The invention further relates to an arrangement suitable for carrying out this method. | 10-30-2014 |
| 20140361175 | DEVICE FOR EXTRACTING DEPTH INFORMATION USING INFRARED LIGHT AND METHOD THEREOF - Disclosed is a device for extracting depth information using infrared light which can be provided at low cost in such a way to apply a nonlinear crystal and a photonic crystal to a depth camera and comprises infrared light emission unit which emits a first infrared light toward a subject; a wavelength conversion unit which concerts the first infrared light reflected from the subject into a second infrared light having a wavelength shorter than the wavelength of the first infrared light; and depth information extraction unit which detects the converted second infrared light and extracts depth information of the subject, wherein the wavelength conversion unit is formed of a crystal capable of concerting the length of the wavelength. The wavelength conversion unit is formed of a crystal which is capable of converting the length of wavelength. | 12-11-2014 |
| 20150008327 | MID-IR MULTIWAVELENGTH CONCATENATED DISTRIBUTED-FEEDBACK LASER WITH AN ACTIVE CORE MADE OF CASCADED STAGES - Concatenated distributed feedback lasers having multiple laser sections laid out in series are disclosed. The concatenated distributed feedback lasers utilize quantum cascade core designs to produce optical gain in the mid- infrared region and may generate several wavelengths simultaneously or sequentially. Methods of making along with methods of using such devices are also disclosed. | 01-08-2015 |
| 20150014542 | Method For Detecting Buried Layers - An arrangement for optically detecting buried layers of flat objects having a plurality of layers, in particular wafers, containing a radiation source for illuminating the surface of the object at an angle; a polarization filter arranged in the beam path; and a detector for detecting radiation reflected by the surface of the object or transmitted by the object; is characterized in that that layer of the object which is closest to the radiation source at least partially transmits the radiation from the radiation source; the polarization filter transmits only radiation which is polarized parallel to the plane of incidence; and the surface of the object is illuminated at the Brewster angle. The surface of the object is preferably illuminated with unpolarized radiation and the polarization filter is arranged in the beam path between the surface of the object and the detector. | 01-15-2015 |
| 20150034827 | DETECTION OF RAINDROPS ON A WINDOWPANE BY MEANS OF CAMERA AND LIGHT - A device and to a method for detecting rain, which includes a camera and a light source. The camera is arranged behind a windowpane, in particular inside a vehicle, behind a windscreen, and focused on a far range located in front of the windowpane. The light source for producing at least one light beam which is directed to the windowpane directs the at least one light beam to the windowpane in such a manner that at least one beam which is reflected by the outer side of the windowpane is incident on the camera. The structure of the image of the at least one beam reflected by the outer side of the windowpane is analyzed, in particular as part of an image processing step. The type of rain or precipitation on the outer side of the windowpane is classified based on the analysis of the structure of this image. | 02-05-2015 |
| 20150076354 | INFORMATION ACQUIRING APPARATUS AND INFORMATION ACQUIRING METHOD FOR ACQUIRING INFORMATION ON SPECIMEN BY USING TERAHERTZ WAVE - An information acquiring apparatus that acquires information on a specimen by applying terahertz wave to the specimen through a plate-like member, the specimen being provided between a reflecting member having a reflecting surface and the plate-like member. The apparatus includes an applying unit that applies the terahertz wave to the specimen, a detecting unit that detects the terahertz wave reflected from the specimen, and an information acquiring unit that acquires the information on the specimen by using temporal waveforms acquired from a result of detection performed by the detecting unit, the information acquiring unit using at least a temporal waveform representing a portion of the terahertz wave that is reflected by an interface between the plate-like member and the specimen and a temporal waveform representing a portion of the terahertz wave that is reflected by an interface between the specimen and the reflecting surface of the reflecting member. | 03-19-2015 |
| 20150083921 | APPROACHING VEHICLE DETECTION APPARATUS AND METHOD - An approaching vehicle detection apparatus mounted to a subject vehicle includes a ranging device for detecting a distance to a different vehicle based on receipt of an infrared light reflected by the different vehicle, a communication device for exchanging an infrared signal with the different vehicle when the different vehicle approaches the subject vehicle within a first vehicle-to-vehicle distance, and a ranging synchronization device for making transmission timing of the infrared light differ from the subject vehicle to the different vehicle based on the signal of the communication device. | 03-26-2015 |
| 20150090884 | COMPACT OPTO-ELECTRONIC SENSOR MODULES FOR DETECTING GESTURES OR OTHER MOVEMENTS BY A USER - Compact opto-electronic sensor modules are described that allow detection of an object's motion occurring in spatial regions (e.g., quadrants) that are located primarily directly about the surface of a device in which the module is located. For example, light (e.g., infra-red) from a light emitting element in the module can illuminate substantially all, or at least a significant percentage of, areas in a plane directly above the surface of the device. Each of multiple light detecting elements in the module can be arranged to receive light from a respective detection zone directly above the surface of the device. | 04-02-2015 |
| 20150097121 | SYSTEM, MACHINE AND METHOD FOR CHARACTERIZING WOODEN PART-COMPONENTS IN ORDER TO MAKE FOOD-GRADE WOODEN CONTAINERS - A method for characterizing food-grade wooden part-components, characterized in that it comprises the steps of: emitting an IR radiation beam towards food-grade wooden part-components, receiving radiations reflected/transmitted by the radiated wooden part-components, processing said radiations reflected/transmitted by the radiated food-grade wooden part-components to generate information indicative of the radiation spectrum, determining, on the basis of said spectrum, the quantities PE(i) of odor active volatile compounds present in the food-grade wooden part-components, characterizing said wooden part-components on the basis of determined quantities PE(i) of odor active volatile compounds. | 04-09-2015 |
| 20150108353 | OPTICAL ENCODER SYSTEM INCLUDING A STRUCTURED CODE WHEEL - An optical encoder system includes a module that has a light emitting element and a light detecting element, wherein the light detecting element is operable to detect light at a wavelength emitted by the light emitting element. The optical encoder system also includes a code wheel that has facets on its surface. Each facet has a surface that provides diffuse reflectance, with adjacent facets being inclined by different amounts. The code wheel can be disposed with respect to the module so that at least some light emitted by the light emitting element is reflected by the facets back toward the module, wherein an amount of reflected light detected by the light detecting element in the module depends at least in part on the rotational position of the code wheel. | 04-23-2015 |
| 20150123001 | MEASUREMENT METHOD FOR OBJECT TO BE MEASURED AND MEASUREMENT DEVICE USED THEREOF - A measurement method is disclosed for measuring the presence or absence of an object to be measured or the quantity thereof, and the measurement method includes irradiating an electromagnetic wave on a void-arranged structural body holding the object to be measured, and detecting characteristics of an electromagnetic wave scattered by the void-arranged structural body. The void-arranged structural body has a plurality of void portions penetrating in a direction perpendicular to a primary surface thereof, and at least a part of the object to be measured is held by the void-arranged structural body with carrier particles provided therebetween. | 05-07-2015 |
| 20150129769 | Measurement Method for Object to be Measured - A method for measuring the presence or absence of an object to be measured in a specimen or the quantity thereof. The method includes filtrating the object to be measured from the specimen using as a physical filter, a void-arranged structural body having a plurality of void portions penetrating in a direction perpendicular to a primary surface thereof so as to hold the object to be measured by the void-arranged structural body; irradiating an electromagnetic wave on the void-arranged structural body holding the object to be measured; and detecting characteristics of an electromagnetic wave scattered by the void-arranged structural body. | 05-14-2015 |
| 20160010978 | MEASUREMENT APPARATUS AND MEASURING METHOD | 01-14-2016 |
| 20160041089 | SYSTEMS AND METHODS UTILIZING LONG WAVELENGTH ELECTROMAGNETIC RADIATION FOR FEATURE DEFINITION - Methods that include directing an incident beam towards a substrate, the substrate having one or more features formed thereon wherein the incident beam has a wavelength from about 10 μm to about 10 mm, and the incident beam interacts with the substrate to form a modulated beam; varying one or more characteristics of the incident beam while directed towards the substrate; detecting the modulated beam while varying the one or more characteristics of the incident beam to collect a spectrum; and determining at least one spatial metric of the at least one feature based on the collected spectrum. | 02-11-2016 |
| 20160047753 | METHOD AND DEVICE FOR TESTING A TIRE - In an improved method for testing a tire, the tire is irradiated with electromagnetic radiation in the THz frequency range. The radiation reflected by the tire is received and evaluated. | 02-18-2016 |
| 20160061728 | PLATE-LIKE MEMBER AND MEASUREMENT APPARATUS INCLUDING THE SAME - A plate-like member includes a sample contact portion that includes first and second surfaces opposite to each other, and a separation portion that includes the first surface and a third surface that is opposite to the first surface. The first surface may receive a terahertz wave, and the second surface may come into contact with a sample during a measurement. The separation portion is configured such that: (i) an acquired time waveform may include only a time waveform of a terahertz wave reflected by the first surface or (ii) a time difference between a first time at which a terahertz wave reflected by the first surface is detected and a second time at which a terahertz wave reflected by the third surface is detected is greater than a time difference between the first time and a time at which a terahertz wave reflected by the second surface is detected. | 03-03-2016 |
| 20160161610 | PRECISION ESTIMATION FOR OPTICAL PROXIMITY DETECTORS - An optical proximity detector includes a driver, light detector, analog front-end and digital back end. The driver drives the light source to emit light. The light detector produces a light detection signal indicative of a magnitude and a phase of a portion of the emitted light that reflects off an object and is incident on the light detector. The analog front-end includes amplification circuitry, and one or more analog-to-digital converters (ADCs) that output a digital light detection signal, or digital in-phase and quadrature-phase signals indicative thereof. The digital back-end includes a distance calculator and a precision estimator. The distance calculator produces a digital distance value in dependence on the digital light detection signal, or the digital in-phase and quadrature-phase signals, output by the ADC(s) of the analog front-end. The precision estimator produces a precision value indicative of a precision of the digital distance value. | 06-09-2016 |
| 20160187484 | DEVICE FOR DETERMINING THE DISTANCE TO AN OUTER SURFACE OF A ROLL OF MATERIAL AND RELATED METHOD - A sensing device is for sensing an outer surface of a roll of material. An infrared (IR) laser source is configured to direct IR laser radiation to the outer surface of the roll of material. A single photon avalanche diode (SPAD) detector is configured to receive reflected IR laser radiation from the outer surface of the roll of material. A controller is coupled to the IR laser source and the SPAD detector to determine a distance to the outer surface of the roll of material based upon a time-of-flight of the IR laser radiation. | 06-30-2016 |
| 20160377720 | DEVICE FOR EXTRACTING DEPTH INFORMATION - A device for extracting depth information, according to one embodiment of the present invention, comprises: a light output unit for outputting infrared (IR) light; a light adjustment unit for adjusting an angle of the light outputted from the light output unit such that the light scans a first region including an object, and then adjusting the angle of the light such that the light scans a second region, which is a portion of the first region; a light input unit in which the light outputted from the light output unit and reflected from the object is inputted; and a control unit for extracting depth information of the second region by using the flight time taken up until the light outputted from the light output unit is inputted into the light input unit after being scanned to and reflected from the second region. | 12-29-2016 |
