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356 - Optics: measuring and testing

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Class / Patent application numberDescriptionNumber of patent applications / Date published
356416000 With color transmitting filter 55
356409000 Fluid color transmission examination 13
356405000 Tristimulus examination 10
356425000 With color determination by light intensity comparison 10
356406000 Trichromatic examination 7
356421000 With reflective multicolor chart or standard 6
356404000 Photography 5
20080259336IMAGE PROCESSING SYSTEM AND CAMERA - An image processing system which performs photography of the teeth of a patient while causing a plurality of illumination light LEDs of different wavelengths to emit light by means of a photography device when producing a crown repair or denture of the patient, whereby image data are acquired. The image data are transmitted to a dental filing system constituting a processing device where color reproduction data are determined through computation. In addition, color reproduction data are transmitted to the dental technician's office via a public switched network. A repair material compound ratio calculation database is searched and compound data for a material that matches the hue of the patient's teeth is retrieved, so that a crown repair or denture or the like that very closely matches the color of the patient's teeth can be produced.10-23-2008
20090021738METHOD AND SYSTEM FOR PREDICTING PRINT COLORS - A colorimeter of a profile generator calorimetrically measures a color chart after elapse of a sufficient period of time from printing of the color chart, thereby producing post-dry-down colorimetric values. The colorimeter also calorimetrically measures certain patches selected from the color chart immediately after printing thereof, thereby producing pre-dry-down calorimetric values. Colorimetric value differences between the post-dry-down colorimetric values and the pre-dry-down colorimetric values are calculated. Using the calorimetric value differences and the post-dry-down calorimetric values, device-dependent data are converted into colorimetric values, which represent pre-dry-down device-independent data. The colors of a print prior to dry-down are predicted based on such converted colorimetric values.01-22-2009
20090168063DENTAL COLOR MEASUREMENT TOOL, DENTAL COLOR MEASUREMENT TOOL SYSTEM, AND DENTAL COLOR MEASUREMENT SYSTEM - A dental color measurement tool disposed opposite an opening portion for capturing light from an artificial tooth to undergo color measurement with a color measurement device includes at least one pair of guide posts having an engaging portion corresponding to an engaging portion on the color measurement device side, and an abutment post disposed between the pair of guide posts and having a pointed convex shape to which the artificial tooth can be mounted. The abutment post has a color measurement reference surface in a color measurement light axis direction as the vicinity of a focus position of the color measurement device in a photographing state. When performing color measurement photographing, the artificial tooth is mounted to the abutment post to position the front thereof at the color measurement reference surface. Thus, the artificial tooth can be stably retained at a suitable position with respect to the color measurement device.07-02-2009
20100027009METHOD AND SYSTEM FOR DETECTING SIGNAL COLOR FROM A MOVING VIDEO PLATFORM - The present invention aims at providing a method for detecting a color of a signal light from a moving vehicle such as railroad train. The method includes capturing an image from a camera mounted on the moving vehicle and extracting candidate regions in the image that contain light region. The method further includes classifying the candidate regions as a signal light region or a non-signal light region and identifying the color of the signal light region.02-04-2010
20120044498Products and Methods for Identifying Rock Samples - Products and methods for identifying rock samples based on an average color value for each rock sample.02-23-2012
356408000 With sequential comparison of sample and standard 4
20100091285METHOD OF TAKING AN IMAGE OF AN OBJECT RESIDING IN A TRANSPARENT, COLORED CONTAINER - A method of producing an image of an object residing inside a transparent container of a first color includes: illuminating the container and the object with light of a second color, the second color being substantially the inverse of the first color; and producing an image of the object through the container. An image produced by this method can exhibit substantially the same color as the object itself, even when the image is taken through a colored transparent wall.04-15-2010
20080212099Method for counting people passing through a gate - Based on area and color analyses, a cost-effective bi-directional people counter dedicated to the pedestrian flow passing through a gate or a door is proposed. Firstly, the passing people are roughly counted with the area of people projected on an image captured by a zenithal video camera. The moving direction of the pedestrian can be recognized by tracking each people-pattern with an analysis of its HSI histogram. To improve the accuracy of counting, the color vector extracted from the quantized histograms of intensity or hue is introduced to refine the early counting. Besides, the inherent problems of both people touching together and merge/split phenomenon can be overcome.09-04-2008
20080273202Method and System for Approximating the Spectrum of a Plurality of Color Samples - Method for approximating the spectrum of a plurality of color samples, the method including the procedures of measuring the color of a reference color sample in a color space, determining a reference sample estimated spectrum from the measured color, measuring the actual spectrum of the reference color sample, determining a spectral delta from the difference between the reference sample estimated spectrum and the actual spectrum, measuring the color of each of the color samples, for each of the color samples, determining a sample estimated spectrum from the measured color, and for each of the color samples, determining a sample approximated spectrum by adding the spectral delta to the respective sample estimated spectrum.11-06-2008
20100284009COLOR ANALYSIS SYSTEM AND METHOD - A color analysis system includes a plurality of light sources configured to illuminate a test patch. A sensor is configured to receive light from the plurality of light sources reflected from the test patch. A controller is configured to determine the color of the test patch in response to light received by the sensor reflected from the first light source, and adjust the color determination in response to light received by the sensor reflected from the first and second light sources.11-11-2010
356407000 With sample responsive to plural colors applied simultaneously 4
20090021739IMAGING APPARATUS - An imaging apparatus includes a light source unit that selectively outputs white light and light in a different wavelength band to an observation target, an imaging unit including an imaging device, and a spectral image formation circuit that generates a spectral image signal for a specified wavelength by an operation using an image signal based on an output from the imaging unit and predetermined matrix data. The imaging unit selectively obtains an image of the observation target for each of first, second and third light components in a visible light region and an image for each of at least fourth and fifth light components in a near-infrared region. Further, the imaging unit includes first spectral devices that make only the first and fourth light components enter first pixels of the imaging device and second spectral devices that make only the second and fifth light components enter second pixels thereof.01-22-2009
20090097028Color Measurement Systems And Methods Addressing Effects of Ultra-Violet Light - Systems and methods are provided to address the potential impact of lighting conditions/light sources on color measurement and/or color matching, particularly as such light variation relates to UV levels. The systems and methods generally include a UV visualizer that is adapted to establish and/or compare UV profiles for individual substrates/samples, e.g., print materials, under various illuminating conditions. According to the disclosure, it is possible to determine both (i) how a sample (e.g., a printing material) responds to UV light, and (ii) the amount of UV light under which the sample is viewed without the need to measure the excitation pattern of the sample/paper or the spectra of the illuminating light. In this way, a true color reading and/or color match may be achieved. Color corrections may be implemented that necessarily address the level of color brightener, if any, in the substrate or paper to be printed upon.04-16-2009
20100201986EQUIPMENT AND METHOD FOR MEASURING DENTAL SHADE - The invention relates to a device for measuring dental shade comprising: —illumination means (08-12-2010
20130201482OPTICAL IMAGING SYSTEM WITH MULTIPLE IMAGING CHANNEL OPTICAL SENSING - An optical imaging system for use with an infusion tube including: at least one light source for emitting at least two of first, second, or third spectrums of light; an optics system including a single lens for receiving and transmitting at least two of the first spectrum light transmitted through a first portion of the chamber, the second spectrum light transmitted through a second portion of the chamber, or the third spectrum light transmitted through a third portion of the chamber. The system includes a sensor receiving the at least two of the spectrums from the lens and generating and transmitting data characterizing the at least two of the spectrums. The system includes a memory element storing computer readable instructions and a processor to execute the instructions to generate, using the data, at least two of first, second, or third images of the first, second, and third portions, respectively.08-08-2013
Entries
DocumentTitleDate
20080259335SPECTROSCOPIC pH MEASUREMENT AT HIGH-TEMPERATURE AND/OR HIGH-PRESSURE - Methods and apparatuses for high-temperature and high-pressure measurement of pH and/or alkalinity of a fluid is described.10-23-2008
20090122316COLOUR MEASURING UNIT - A colour measuring unit (05-14-2009
20100073678Blast injury dosimeter - A method for detecting blast induced pressure changes includes exposing a material, a contained solution, a membrane-bound solution, or a photonic crystal material, having a first optical property, to a pressure wave having a blast level. A change in the first optical property to a second optical property of the exposed material, contained solution, membrane-bound solution, or photonic crystal material is determined, and the extent of change corresponds to the blast level.03-25-2010
20100045987APPLICATIONS, SYSTEMS AND METHODS FOR IDENTIFYING AND MONITORING CRITICAL COLORS IN A PRINT JOB AND USING AN EMBEDDED COLOR SENSING DEVICE TO MEASURE CRITICAL COLOR TEST PATTERNS INSERTED IN THE PRINT JOB - Applications, systems and methods for identifying and monitoring critical colors in a print job and using an embedded color sensing device to measure critical color test patterns inserted in the print job are disclosed. The applications permits the user to interact with a print job and select of one or more critical colors from within the print job. In one embodiment, an application is configured to provide a graphical user interface (GUI) to facilitate the user in selecting critical colors. A printing system and method are disclosed for automatically monitoring critical colors in a print job and using an embedded color sensing device to measure critical color test patterns inserted in the print job. In one embodiment, printed critical color test patterns are separated from the printed customer documents and direct to a color sensing device for measurement.02-25-2010
20090180117OPTICAL DEVICE FOR DISPERSING LIGHT - An optical device includes an aperture stop that limits an angular extent of light from an illuminated sample. A first lens is positioned between the aperture stop and a detector plane. A second lens is positioned between the first lens and the detector plane and is operable to map light from the aperture stop to the detector plane such that the light is averaged at the detector plane.07-16-2009
20100097609Radiation Detector - A radiation detector is disclosed with a detector arrangement, which has a plurality of detector elements, by means of which a detector signal is obtained during operation of the radiation detector, and with a control device, wherein the detector elements each have a spectral sensitivity distribution, and are suited for generating signals. At least one detector element includes a compound semiconductor material, and this detector element is designed for detecting radiation in the visible spectral region. The radiation detector is designed such that the sensitivity distributions of the detector elements are used to form different spectral sensitivity channels of the radiation detector. A channel signal assigned to the respective sensitivity channel can be generated in these sensitivity channels using the detector elements, and the control device is designed such that the contributions of different channel signals to the detector signal of the radiation detector are differently controlled.04-22-2010
20130027705TRIPLE ISOTOPE METHOD AND ANALYZER FOR TOTAL ENERGY EXPENDITURE MEASUREMENTS - A method of measuring energy expenditure in a living subject comprises: (a) administering a specified dose of doubly-labeled water (01-31-2013
20130027704SYSTEM AND METHOD FOR DETERMINING THE STATE OF A TRAFFIC SIGNAL - A system and method for determining a state of a traffic signal. In one embodiment, a traffic signal state detector includes a lens, a color sensor, and a processor. The color sensor is configured to identify a plurality of colors of light directed to the color sensor by the lens, and a field of view of the color sensor is restricted based on dimensions of a traffic signal. The processor is coupled to the color sensor. The processor is configured to determine a color of light emitted by the traffic signal based on the colors of light identified by the color sensor.01-31-2013
20130027706NANO SENSING OF TEMPERATURE USING EQUAL INTENSITY DOUBLE PLASMON RESONANCE (EIDPR) - Technologies are generally described for providing and using a material including: a template molecule; a first cluster of one or more nanoparticles located at a first site on the template molecule; and a second cluster of one or more nanoparticles located at a second site on the template molecule and spaced apart from the first cluster. In some embodiments, the first and second clusters of nanoparticles exhibit a plasmon resonance having a first resonant peak and a second resonant peak.01-31-2013
20100067009Point-Of-Purchase (POP) Spectrophotometer For Open-View Measurement Of A Color Sample - Disclosed herein is a point-of-purchase (POP) spectrophotometer for open-viewing of a color sample. The POP spectrophotometer includes a housing assembly containing an illumination optical system and an imaging optical system in desired orientation. Also provided is at least one of a second illumination optical system, a sheen detection system, and a camera system. The housing assembly includes a chassis in secure arrangement with a plurality of supports that define a target plane having a target location and that space the chassis therefrom. The chassis is configured to position the illumination, imaging, sheen detection, and/or camera systems in desired orientations relative to the target location and each other. The POP spectrophotometer can include an alignment device and/or targeting optics for facilitating user-identification of the target location, and means can be provided to enhance insensitivity to ambient light and/or depth variation of the color sample.03-18-2010
20100328668COLOR DETECTOR - A color detector includes a light source, a photodiode, and a filter tuned to only allow light of a specific color to pass through to the photodiode. When the light reaches the photodiode, the photodiode outputs a current that indicates that the color is present in the light. The filter may include a pair of partially reflective layers consisting of a reflective metal, such as silver. To prevent the metal from oxidizing or reacting with the environment, the partially reflective layers may be coated with a protective layer, such as aluminum nitride. The color detector may further include a color enhancing layer. Finally, the color detector may include a capping layer. Accordingly, the color detector provided herein allows for the filter to use metals for partially reflective layers that would normally oxidize, as well as detect light of a specific spectrum of wavelengths.12-30-2010
20100328667Color Measuring Device - A color measuring device includes a lighting arrangement (12-30-2010
20130070246OPTICAL DETECTION APPARATUS - An optical detection apparatus used for detecting a tissue includes a light-emitting unit, a spectroscopic unit and a light-sensing array. The light-emitting unit emits light entering into the tissue. The spectroscopic unit receives the light outputted from the tissue and divides the received light into a plurality of rays with different wavelengths. The light-sensing array senses the rays outputted from the spectroscopic unit so as to generate an array spectrum. By the spectroscopic unit, the detection of the rays of multiple wavelengths can be performed without using plural light-emitting diodes for emitting light of different wavelengths. Besides, the user can perceive the detection result (e.g. the location of the abnormal tissue) intuitively by integrating the light-sensing array and the spectroscopic unit.03-21-2013
20110058171STRUCTURE, METHOD OF FORMING STRUCTURE, METHOD OF LASER PROCESSING, AND METHOD OF DISCRIMINATING BETWEEN TRUE AND FALSE OBJECTS - Laser marking is surely conducted on the second and subsequent layers of a structural body with a multilayer structure, whereby a marked part can be prevented from being marred, fouled, falsified or erased, as well as marking can be conducted in a variety of colors.03-10-2011
20130057862ELECTROLUMINESCENCE SAMPLE ANALYSIS APPARATUS - Provided is an apparatus for analyzing an electroluminescence sample, which comprises: a pulse generator for applying a pulse driving signal to the electroluminescence sample; an electroluminescence (EL) detector for receiving electroluminescence which is emitted from the electroluminescence sample according to the application of the pulse driving signal, thereby acquiring a light-receiving signal; a temperature controller for varying the temperature of the electroluminescence sample; and an electroluminescence transient spectroscopy (ELTS) analysis unit for analyzing a change in a time division section of the light-receiving signal delayed depending on a change of the temperature of the electroluminescence sample, and acquiring information on a defect-type charge trap which exists in the electroluminescence sample.03-07-2013
20120224177LED BASED ILLUMINATION MODULE COLOR MATCHED TO AN ARBITRARY LIGHT SOURCE - LED based illumination modules are realized that are visually color matched to light sources not based on LEDs based on visually matched color spaces. A visually matched color space is employed to both instrumentally and visually match an LED based light source with a light source not based on LEDs. In one aspect, an LED based illumination module is realized to achieve a target color point in a visually matched color space within a predetermined tolerance. In another aspect, an LED based illumination module is realized to visually match a light source not based on LEDs. A target color point in the CIE 1931 XYZ color space is derived based at least in part on the spectrum of the visually matched LED based illumination module. LED based illumination modules visually matched to light sources not based on LEDs are realized based on the derived target color point.09-06-2012
20130063725DIE INSPECTION METHOD - A method is disclosed for inspecting a mold which has a porous alumina layer over its surface. The method includes providing, based on a relationship between a first parameter indicative of a thickness of the porous alumina layer and a color parameter indicative of a color of reflected light from the porous alumina layer, first color information which represents a tolerance of the first parameter of a porous alumina layer which has an uneven structure that is within a tolerance; providing a mold which is an inspection subject, the mold having a porous alumina layer over its surface; obtaining a color parameter which is indicative of a color of reflected light from the porous alumina layer of the inspection subject mold; and determining a suitability of the first parameter of the inspection subject mold based on the obtained color parameter and the first color information.03-14-2013
20130162998IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS - An image forming apparatus includes an image forming unit configured to form a measurement image on a sheet, a measurement unit configured to measure the measurement image formed on the sheet to output a measurement value, a white reference plate provided at a position facing to the measurement unit, and a correction unit configured to correct the measurement value output from the measurement unit according to a distance from the measurement unit to the white reference plate in a case where the measurement image formed on the sheet is measured.06-27-2013
20120113425SPECTRUM MEASURING APPARATUS FOR MOVER - Provided is a movable body spectrum measuring apparatus, which can discriminate a measuring object with high precision by photographic data from a spectrum sensor mounted on a movable body such as a vehicle and can process the photographic data in real time. A movable body spectrum measuring apparatus discriminates the measuring object around a vehicle on the basis of the spectrum data from an observation light. A spectrum sensor can measure wavelength information and light intensity information. The movable body spectrum measuring apparatus comprises a dictionary data storing unit storing, as dictionary data, the spectrum data containing the wavelength information and the light intensity information regarding a plurality of predetermined measuring objects, and an arithmetic device for discriminating the measuring object on the basis of comparison computation to compare the spectrum data of the observation light and the spectrum data stored in the dictionary data storing unit. The arithmetic device performs the computation to compare the spectrum data of the observation light with reference to only a partial wavelength band of the spectrum data stored as the dictionary data.05-10-2012
20120236309METHOD AND SYSTEM FOR MATCHING COLOR AND COARSENESS APPEARANCE OF COATINGS - The present invention is directed to a method and a system for producing one or more matching formulas to match color and coarseness appearance of a target coating on a substrate. The method provides providing a set of coating chips comprising at least two coating chips having different lightness values, and at least two coating chips having matching lightness values and different coarseness values. This invention provides a simple method and the system for matching color and coarseness appearance of the surface coating.09-20-2012
20120236308COLOR MEASURING DEVICE, IMAGE CAPTURING DEVICE, IMAGE FORMING APPARATUS, COLOR MEASUREMENT METHOD, AND COMPUTER PROGRAM PRODUCT - A color measuring device includes a storage unit configured to store therein colorimetric values corresponding respectively to colors constituting a reference chart in a predetermined color space that is device-independent; an image capturing unit configured to capture the reference chart and a subject for color measurement simultaneously to acquire RGB values of the reference chart and RGB values of the subject; a search unit configured to search for RGB values of four points corresponding to vertices of a polyhedron in the reference chart, the polyhedron including a specified RGB value of the subject in an RGB color space; a calculating unit configured to calculate a linear transformation matrix for converting the RGB values of the four points into the corresponding colorimetric values; and a conversion unit configured to convert the specified RGB value into a corresponding colorimetric value in the predetermined color space based on the linear transformation matrix.09-20-2012
20120236307PHOTOCONDUCTIVE ELEMENT - There is provided a photoconductive element capable of increasing an output and detection sensitivity by increasing resistivity as the entire element. The photoconductive element is a photoconductive element capable of generating or detecting an electromagnetic wave when light is emitted thereto. The photoconductive element includes a photoconductive layer having a semiconductor layer whose resistivity changes when light is emitted to thereby generate or detect an electromagnetic wave; and a plurality of electrodes provided in contact with the semiconductor layer. The resistivity of the semiconductor layer changes in a thickness direction of intersecting a surface of the semiconductor layer contacting the electrodes. Assuming that the semiconductor layer includes a first region and a second region which is farther away from the electrodes in the thickness direction than the first region, the resistivity in the first region is greater than the resistivity in the second region.09-20-2012
20110032525LIQUID SAMPLE ANALYZING METHOD - Provided is a liquid sample analyzing method for analyzing an analyte in a liquid sample by using a test piece (02-10-2011
20090009766METHOD TO MINIMIZE INSTRUMENT DIFFERENCES IN COLOR MANAGEMENT FUNCTIONS - A method for estimating color measurements of color samples includes printing a color sample based on input data, measuring a color of the printed color sample with an in-line spectral sensor at a first temperature, and estimating a color of the printed color sample which would be output by a reference spectral sensor at a second temperature. The estimation is based on a thermochromatic model which represents relationships between measured colors of printed color samples on the in-line spectral sensor at the first temperature and the reference spectral sensor at the second temperature. The reference spectral sensor is a different type of sensor from the in-line spectral sensor, so the color response of the two spectral sensors is different, even when the measurement conditions are identical. Consequently, a set of printed spot color samples generate different measured colors at the second temperature on the in-line spectral sensor from the reference spectral sensor. The exemplary method allows these differences, as well as measurement temperature differences to be accounted for in the estimation.01-08-2009
20130188186COLOR MEASUREMENT APPARATUS AND COLOR MEASUREMENT METHOD - A color measurement apparatus that performs color measurement on a printout includes a measurement unit that can perform color measurement on a target by changing a light-receiving angle, and a controller that causes the measurement unit to perform color measurement at the light-receiving angle corresponding to an index value representing unique luster of the printout.07-25-2013
20130188187Signal and Detection System for Keying Applications - Systems and methods for differentiating the spectral response of various optical coatings between a transmitter and receiver. The system is effective in determining if an optical coating produces an authorized spectral response for determining if a product having that optical coating is authorized to be used with another product.07-25-2013
20110292391COMBINATION OF READER AND INCUBATOR - A detection arrangement for detecting presence of an analyte in a sample includes a processor, a memory, a display, a color measuring device, and a temperature controller for maintaining a constant temperature or a temperature profile of the sample. A method is also provided for determining the presence or absence of an analyte in a fluid by analysis of image data from an assay that generates an image result on an assay medium12-01-2011
20100110435RECORDING APPARATUS - A recording apparatus includes a colorimeter that obtains color measurement data from a recording surface of a recording material, a colorimeter holder that holds the colorimeter, a colorimeter carriage that reciprocates the colorimeter holder on a retainer member that holds the recording material during color measurement, and a link mechanism that links the colorimeter holder and the colorimeter carriage. The colorimeter holder is linked by the link mechanism rotatably by a predetermined angle around a first axis along the reciprocating direction on the retainer member, and rotatably by a predetermined angle around a second axis along the surface of the recording material held by the retainer member and perpendicular to the reciprocating direction.05-06-2010
20090279092Color measurement instrument - The color measurement instrument includes an illumination system and a sensing system. The illumination system is composed of a light emitting element and a light pipe. The light pipe has an incident surface at an illuminating end of the light emitting element and an ejected surface adjacent to a sensing platform of a sensing system. The sensing system includes a light collection device and a sensing platform for disposing a testing object. The light collection device includes an aperture stop for adjusting the shape of a light spot on a color sensor to avoid glare, a light collection lens set for detecting and projecting an image of a testing object on the sensing platform onto a field stop, a field stop for separating a light from an area other than the effective sensing area of the sensing platform, an uniform lens set for spreading the image on the field stop over the whole color sensor, and a color sensor for capturing and analyzing the color to adjust the brightness and chroma and output an analysis signal.11-12-2009
20090296091METHOD FOR CONDITIONAL APPLICATION OF COLOR MEASUREMENT ERROR COMPENSATION IN SPECTRAL SENSORS - Color measurements of color samples are estimated by a system and method wherein an area coverage of a color sample is computed, the color sample is printed, a color of the printed color sample, such as a set of reflectance values, is measured at a first temperature, and a color of the printed color sample is estimated at a second temperature lower than the first temperature, the estimation being based on the area coverage and a thermochromatic model which represents relationships between measured colors of printed color samples at the first and second temperatures.12-03-2009
20100103424THREE-DIMENSIONAL OPTICAL SENSOR AND SYSTEM FOR COMBUSTION SENSING AND CONTROL - A system includes an optical sensor that optically measures and spatially resolves in three dimensions at least one chemical species within a flame produced by a device and a component that correlates the three dimensionally measured at least one chemical species to at least one parameter of the device.04-29-2010
20100103423Battery Terminal Inspection Apparatus, Inspection Method, and Cylindrical Dry Battery - Poor contact on a terminal face that is likely to especially occur with a dry battery with low electromotive force can be appropriately inspected and suppressed. Moreover, the inspection can be highly efficiently performed in a non-contacting state. Also, a cylindrical dry battery in which the poor contact on the terminal face is certainly suppressed is provided. An apparatus 04-29-2010
20110205541OPTICAL MEASUREMENT APPARATUS INCLUDING HEMISPHERICAL OPTICAL INTEGRATOR - An optical measurement apparatus includes a hemispherical portion having a diffuse reflection layer on an inner wall, and a plane portion disposed to involve a substantial center of curvature of the hemispherical portion and close an opening of the hemispherical portion, and having a reflection layer on an inner surface side of the hemispherical portion. The plane portion includes: at least one of a window for introducing light to be homogenized in an integrating space formed between the hemispherical portion and the plane portion, and a window for extracting light homogenized in the integrating space; an outer portion formed of a first material chiefly causing specular reflection, and occupying at least a region of a predetermined width from an outermost circumference; and an inner portion formed of a second material chiefly causing diffuse reflection and having a higher reflectance for at least an ultraviolet region than the first material.08-25-2011
20080291449System for color match and digital color display - The present invention is directed to a system for digital displaying images of various colors and appearances of an article and the use thereof. The invention is particularly directed to a system for displaying images for selecting one or more matching formulas to match color and appearance of an article. The invention is even further directed to a system for displaying images for selecting one or more matching formulas to match color and appearance of a target coating of a vehicle.11-27-2008
20090323065Light Analyzer Device - Apparatus including photodetector device, signal output device, and housing configured to be held in human hand. Signal output device is configured for emitting perceived color signal corresponding to light color data detected by photodetector device. Method that includes: providing apparatus configured to be held in human hand and having photodetector device and signal output device; causing photodetector device to detect light color data from light source; and causing signal output device to emit perceived color signal corresponding to detected light color data.12-31-2009
20120293802PHOTONIC CRYSTAL COMBINATORIAL SENSOR - The present disclosure provides methods, systems and devices for a photonic crystal combinatorial sensor. The photonic crystal sensor may include an array of photonic crystal materials, wherein each photonic crystal material has a reflected wavelength in a respective initial wavelength range. At least one a first one of the photonic crystal materials may be configured to have a response to an external stimulus different from at least a second one of the photonic crystal materials, the different response resulting in a change in the reflected wavelength of the first photonic crystal material that is an optically detectable difference from the second photonic crystal material. The optically detectable difference may provide an optically detectable response pattern of reflected wavelengths in the array. The sensor may be reversible and reusable.11-22-2012
20090190132Color Inspection System - The objective of the invention is to provide a color inspection system capable of making determination on pass or failure with accuracy equivalent to that for the case of visual inspection even in the case of inspecting various textile products as measurement targets, such as a raised cloth, cloth with printed patterns such as marbled pattern, moire pattern and detailed pattern, and so forth. With a color inspection system, an illuminant is set to shine light on the surface of a textile product M placed on the top surface of a measuring platform to thereby make measurements from a direction at an angle of 45 degrees from the surface of a measuring region of the textile product M by use of a spectroradiometer of a measuring unit. The spectroradiometer is provided with a wide range lens attached thereto to thereby expand a measuring region. The results of measurement by the spectroradiometer are inputted to an information processor of a determination unit. The information processor computes color values for the whole measuring region to be compared with standard color values stored in a memory to thereby make determination on pass or fail.07-30-2009
20090190133MINIATURIZED SYSTEM AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS - A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.07-30-2009
20090027673Color Measurement Device With Error Detection - A color measurement device includes an error detection function for color printing control. The color measurement device includes an optical measurement head, the optical measurement head being moveable linearly along a color bar region of a printing sheet, and being configured for making color measurements with respect to the color bar, and for detecting color measurement errors by determining whether such color measurements are being made at least in part with respect to regions of the printing sheet other than the color bar region. The optical measurement head may further include a pixel array for tracking a center trajectory of the color bar for purposes of detecting the color measurement errors, and a color measurement engine for purposes of making the color measurements with respect to the color bar. The color measurement device may further include a motion control element and a mechanical track to guide the optical measurement head along the color bar region.01-29-2009
20130120751PHOTODETECTOR FOR DETERMINING LIGHT WAVELENGTHS - There is described a photodetector comprising a semiconductor material having at least a region substantially depleted of free moving carriers, the photodetector comprising: a substrate of one of n-type and p-type; at least one charge collector along a surface of the substrate and having a doping-type opposite from the substrate; a substrate contact along the surface of the substrate spaced apart from the at least one charge collector to allow current to flow between the at least one charge collector and the substrate contact; and at least one non-conductive electrode positioned along the surface of the substrate in an alternating sequence with the at least one charge collector, and separated from the substrate by an insulator, and adapted to apply an electric potential to the substrate and cause charge carriers generated therein by application of a light source to advance towards the at least one charge collector due to the effects of an electric field, such that the at least one charge collector can measure carrier concentration within the substrate.05-16-2013
20090079984Optical characteristic measuring apparatus - An optical characteristic measuring apparatus of the invention is configured in such a manner that a specular reflection light component in reflection light from an object to be measured is received, and shake of the apparatus is detected based on the amount of the received light. The optical characteristic measuring apparatus having the above arrangement enables to precisely measure an optical characteristic of the object to be measured, without the need of providing a mechanical switch or a like device, and without depending on the shape of the object to be measured.03-26-2009
20090086208BROAD WAVELENGTH RANGE TUNABLE PHOTONIC MATERIALS - The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.04-02-2009
20120194817MOVABLE BODY SPECTRUM MEASURING APPARATUS AND MOVABLE BODY SPECTRUM MEASURING METHOD - A movable body spectrum measuring apparatus includes a spectrum sensor mounted in a movable body to measure spectrum data containing information including wavelength information and optical intensity information of a measuring object, a processor mounted in the movable body to discriminate the measuring object by processing the measured spectrum data, and a signal transmission path for transmitting the measured spectrum data from the spectrum sensor to the processor. The movable body spectrum measuring apparatus further includes a data transfer device which acquires reconfigured spectrum data by reconfiguring the measured spectrum data so that selected information as predetermined information is selected from the information contained in the measured spectrum data. The data transfer device transfers the reconfigured spectrum data to the processor via the signal transmission path.08-02-2012
20100157300LIQUID SAMPLE ANALYSIS CHIP READING SYSTEM, AND ANALYSIS METHOD AND UBIQUITOUS READING SYSTEM USING THE SAME - Provided is a liquid sample analysis chip reading system. The reading system includes an analysis chip, a light emitting part, a plurality of light wave-guides, and a light receiving part. The analysis chip includes a plurality of detecting parts. The light emitting part includes three light sources emitting light having wavelengths (or colors) different from each other. The plurality of light wave-guides irradiate the light emitted from the light emitting part onto the plurality of corresponding detecting parts, respectively. The light receiving part includes a plurality of light receiving devices for receiving the light having a specific color reflected from each of the plurality of corresponding detecting parts of the analysis chip. The three light sources are discontinuously controlled to emit light onto the plurality of light wave-guides.06-24-2010
20110128544SYSTEM AND METHOD FOR CALIBRATING OPTICAL CHARACTERISTICS - A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.06-02-2011
20100259755COLOR SENSING DEVICE - A color sensing apparatus (10-14-2010
20100141949MEASURING OF FUEL COMPOSITION BY USING LASER - A method is shown for the analysis of hydrocarbon based fuels comprising the following steps: a) the use of a tunable diode laser (TDL) whereby several wavelengths of light can be emitted, b). transmission of said light through a transparent flow cell or flow chamber containing the fuel, c). measurement of the transmitted light with an optical detector positioned on the opposite site of the cell/chamber, d). detection of signals and storage on a computer memory, e). computer-based analysis of measurements, f). use of an algorithm and a chemical reference library for subsequent quantitative analysis of the hydrocarbon compounds.06-10-2010
20090180118Method of optically monitoring the progression of a physical and/or chemical process taking place on a surface of a body - The invention relates to a method for optically monitoring the progression of a physical and/or chemical process taking place on a surface of a body in which the surface radiation which emanates from part of the surface during the physical and/or chemical process, is measured with the aid of a measuring device, in particular a sensor. In order to develop a method of this kind such that sintering processes can also be monitored in a firing furnace having thermal radiation equilibrium, the invention proposes to emit the radiation (07-16-2009
20110019191Display Inspection Tool, Display Inspection Module, and Display Inspecting Method - A display inspection tool includes a securing member and a color detector securing unit. The securing member includes a top edge securing portion that is adapted for disposing on a top edge of a display, and a bottom edge securing portion that is adapted for abutting against a bottom edge of the display. By disposing the top edge securing portion on the top edge of the display, and bringing the bottom edge securing portion into abutment against the bottom edge of the display, the securing member can be quickly mounted on the display. The color detector securing unit is provided on a rear face of the securing member and is adapted for securing a color detector so as to perform color detection when the securing member is mounted on the display.01-27-2011
20110211196COLOR MEASUREMENT DEVICE - A color measurement device includes a light pipe and a light source. The light pipe is oriented length-wise towards a color sample surface along a first axis that is non-perpendicular to the surface. A color sample is positioned on the surface. The light pipe has a near opening, a far opening, and a face at the far opening. The near opening is closer to the color sample than the far opening. The light source is positioned near the far opening of the light pipe, and is to output light along a second axis and into the light pipe at the far opening. The light reflects off the surface after exiting the light pipe at the near opening. The second axis is non-perpendicular to the face of the light pipe at the far opening. The light non-uniformly illuminates the color sample after exiting the light pipe at the near opening.09-01-2011
20090323066IDENTIFICATION MEDIUM, ARTICLE, IDENTIFICATION DEVICE, AND METHOD OF IDENTIFYING IDENTIFICATION MEDIUM - An identifying medium comprises an optical functional layer that is optically identifiable and comprises a layer containing microcapsules. The microcapsule contains a material that occurs color change by breaking the microcapsule.12-31-2009
20110242536METHOD FOR EVALUATING PERFORMANCE CHARACTERISTICS OF DENTAL CURING LIGHTS - The present invention is directed to methods and related systems for evaluating and demonstrating various performance characteristics of one or more dental curing lights. The method and system employs a performance evaluation member (e.g., in the shape of a disc) comprising a carrier material (e.g., any of various suitable polymeric materials) and a color-changing material on or within (e.g., impregnated within) the body material. A user is able to use the performance evaluation member to demonstrate and evaluate performance characteristics relating to the presence of particularly desired wavelengths within the light emitted by a dental curing light, footprint size and shape of emitted light, uniformity of intensity within the emitted footprint, as well as relative intensities of desired wavelengths provided by two or more dental curing lights.10-06-2011
20100039647Method for Detecting Trace Substance using Organic Electroluminescent Device - Provided is a detection method and device for analyzing trace substance of interest in a short time and with high accuracy without the need of performing any treatment for binding a fluorescent substance to the substance of interest or using any large apparatus. The substance of interest is detected by being immobilizing on a surface of any one of a hole transport layer, an electron transport layer, a luminescent layer, a buffer layer, and inside surfaces of electrodes for an organic electroluminescent device based on a change in at least one luminescent property selected from luminescence intensity, luminous efficiency, and emission spectrum of the organic electroluminescent device before and after the immobilization of the substance of interest.02-18-2010
20100067010FILM QUALITY EVALUATION METHOD, APPARATUS THEREFOR, AND PRODUCTION SYSTEM FOR THIN-FILM DEVICE - An object is to improve production efficiency as well as reducing the burden on an operator. Light is radiated on a crystalline silicon film used for a thin-film silicon device, reflection light reflected by the crystalline silicon film is detected, a parameter of the luminance of the detected reflection light is measured, and film quality evaluation of the crystalline silicon film is performed in accordance with whether the parameter of the luminance is within a predetermined proper range or not.03-18-2010
20090153863Method of evaluating sensitivity grade of interior material used in vehicles - A method of evaluating the sensitivity grade of an interior material used in vehicles comprises: evaluating sensitivity properties of an interior material before providing noise factors; evaluating sensitivity properties of the interior material after providing noise factors; averaging each of the sensitivity properties evaluated before the provision of noise factors and after the provision of noise factors to obtain the average value (safety factor) of each of the sensitivity properties; comparing the average value of each of the sensitivity properties with a preset target value of each of the sensitivity properties to compute a target value achievement level of each of the sensitivity properties; and determining the sensitivity grade of the interior material based on the sensitivity property with the lowest target value achievement level. By providing an objective standard to evaluate sensitivity properties of an interior material used in vehicles, the present method(s) eliminates the difficulty in communication between customers and manufactures and quality control regarding the sensitivity grade of interior materials used in vehicles.06-18-2009
20110075146COLOR MEASUREMENT DEVICE - A device includes a housing; a color sensor within a first end of the housing, the color sensor configured to sense a color of a sample when the color sensor is placed proximate the sample; and a display within the housing, the display configured to display the color of the sample sensed by the color sensor.03-31-2011
20110149283Structural Assembly And Methods For Facilitating Corrosion Inspection - A structural assembly and methods are provided to facilitate corrosion inspection, such as in those regions of a structure that may otherwise be visibly inspected only following at least partial disassembly of the structure. The structural assembly may include a structure and a coating disposed upon at least a portion of the structure that has optical properties that change in response to corrosion. The structural assembly may also include a fiber optic sensing network including a plurality of optical fibers and a sensor. The plurality of optical fibers are configured to expose the coating to incident optical signals and to receive responsive optical signals at least partially dependent upon any change in the optical properties of the coating. The sensor is configured to receive the responsive optical signals from the plurality of optical fibers. This sensor may also be configured to analyze the responsive optical signals to detect corrosion.06-23-2011
20080204752SYSTEM AND METHOD FOR REMOTE, FREE-SPACE OPTICAL DETECTION OF POTENTIAL THREAT AGENT - A system and method for free space, optical remote sensing of a potential threat agent using spectrally responsive sensor material. In one example the sensor material is formed by particles, which in one particular form are porous photonic crystals. The particles are dispersed into an area being monitored for the presence of the potential threat agent. A pair of lasers is used to generate optical light beams that are directed at the sensor particles after the particles have been dispersed. The light reflected by the sensor particles is then analyzed. The presence of the potential threat agent causes a shift in the spectral peak of light reflected from the sensor particles that can be sensed using photo detectors and a processing subsystem. The system can be tuned to remotely detect for specific chemical, biological or environmental agents that may be present within a given area.08-28-2008
20110096330MINIMIZING SPECTROPHOTOMETER IMPACT ON SPOT COLOR ACCURACY - Differences between an offline spectrophotometer and an inline spectrophotometer can result in differences between a hardcopy target color and a printed reproduction of that color. The inline spectrophotometer is inside of a printer and configured to measure printer output. As such, the inline spectrophotometer cannot conveniently measure the hardcopy target color. A printing error or an instrument offset can be determined and passed to a color correction module that updates the device dependent color specification associated with the given spot color. This color specification may be stored, for example, in the printer controller, and used when a document subsequently calls for that spot color, thereby providing accurate color reproduction from that particular printer incorporating that particular inline spectrophotometer.04-28-2011
20100195103COLOUR ASSESSMENT APPARATUS AND METHOD - A method of colour assessment of a sample (08-05-2010
20120033217METHOD AND APPARATUS FOR DETECTING MULTIPLE OPTICAL WAVE LENGTHS - Optical gratings that perform a number of functions at various wavelengths are formed by various methods that preserve spectral information within a wavelength band, the functions including: coupling radiation from one waveguide (02-09-2012
20120038923COLLECTION OPTICS FOR A COLOR SENSOR - An optical system includes a lens, a pupil relay, and an aperture stop positioned at a focal point of the lens between the lens and the pupil relay. The lens is configured to collect a plurality of light bundles. Each light bundle emanates from a field point of an object plane and has a center ray substantially parallel to an optical axis of the lens. The lens is configured to direct the center ray of each light bundle through the aperture stop and onto the pupil relay. The pupil relay is configured to image a plane of the aperture stop onto a sensor array.02-16-2012
20120038922METHOD AND DEVICE FOR MEASURING AT LEAST ONE OF LIGHT INTENSITY AND COLOUR IN AT LEAST ONE MODULATED IMAGE - It relates to a method for measuring at least one of light intensity and colour in at least one modulated image, the method comprising the steps of: a) detecting a modulation pattern of the modulated image(s); and b) synchronizing a measurement of the intensity and/or colour with the detected modulation pattern. It also relates to a corresponding device.02-16-2012
20120206726PHOTONIC CRYSTAL SPECTROMETER - Apparatus and methods can include an optical waveguide coupled to a photonic crystal comprising a dielectric material, the photonic crystal located on an exterior surface of the optical waveguide and comprising a first surface including a first array of periodic features on or within the dielectric material, the array extending in at least two dimensions and including an effective dielectric permittivity different from the surrounding dielectric material. In an example, the periodic features include a specified lattice constant, the periodic features configured to extract a portion of propagating optical energy from the waveguide through the photonic crystal, the portion determined at least in part by the specified lattice constant.08-16-2012
20120044497COLOR PROCESSING APPARATUS AND METHOD THEREOF - A sample information input unit obtains spectral reflectances of color patches formed on a medium from a measuring device or storage unit. A media characteristic input unit inputs bi-spectral radiance factors of the medium from the storage unit. A computing unit computes bi-spectral radiance factors of the color patches based on the spectral reflectances of the color patches obtained by the sample information input unit and the bi-spectral radiance factors of the medium input by the media characteristic input unit.02-23-2012
20120206725External Cavity Laser Source - A tunable laser source that includes multiple gain elements and uses a spatial light modulator in an external cavity to produce spectrally tunable output is claimed. Several designs of the external cavity are described, targeting different performance characteristics and different manufacturing costs for the device. Compared to existing devices, the tunable laser source produces high output power, wide tuning range, fast tuning rate, and high spectral resolution.08-16-2012
20120044496METHOD OF CONSTRUCTING LIGHT-MEASURING LOOK-UP TABLE, LIGHT-MEASURING METHOD, AND LIGHT-MEASURING SYSTEM - The invention discloses a method of constructing light-measuring look-up table, a light-measuring method, and a light-measuring system. The method of constructing light-measuring look-up table is to construct a look-up table by according to spectrum parameters relative to a light spectrum model, three actual color-matching functions relative to the light-measuring system and three standard color-matching functions, calculating both a look-up color coordinate and a reference color coordinate corresponding to each of the spectrum parameters. The light-measuring method includes: first, measuring a to-be-measured light by the light-measuring system to obtain actual stimulus values and calculating an actual color coordinate; then, comparing the actual color coordinate with the look-up color coordinates to determine both a to-be-measured light spectrum parameter and an estimated color coordinate relative to the to-be-measured light; furthermore, according to the to-be-measured light spectrum parameter, one of the standard color-matching functions and one of the actual stimulus values, calculating an estimated luminance.02-23-2012
20110063618COLORIMETRIC VALUE CALCULATING METHOD, PROFILE GENERATING METHOD, COLOR CONVERSION METHOD, COLOR CONVERSION APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM WITH COLOR CONVERSION PROGRAM RECORDED THEREIN - First spectral data (spectral transmittance) of a printed object, and second spectral data (spectral reflectance) of the printed object are obtained. Further, third spectral data (spectral radiance distribution) of a transmissive light source, and fourth spectral data (spectral radiance distribution) of a reflective light source are obtained. Then, using the first, second, third and fourth spectral data, colorimetric value data of the printed object in a given observational environment is calculated.03-17-2011
20120206727OPTICAL ABSORBANCE MEASUREMENT APPARATUS, METHOD, AND APPLICATIONS - Apparatus and method to measure optical absorption spectra with spatial resolution on the micron scale. An exemplary setup combines a continuous white light excitation beam in transmission geometry with a confocal microscope. Spatial resolution better than 1.4 μm in the lateral and 3.6 μm in the axial, directions was obtained. The detection and measurement of the absorption spectrum of hemoglobin in a single red blood cell under physiological conditions on the timescale of seconds was realized. The apparatus and method enables the investigation of spatial variations in the optical density of small samples on the micron scale and the study of biological assemblies at the single cell level, leading to applications in optical diagnostics, microfluidics, and other areas.08-16-2012
20120026499COLOR MEASUREMENT DEVICE AND METHOD FOR DETECTING MALFUNCTION OF COLOR MEASUREMENT DEVICE - The present invention is a color measurement device for color measurement of a printed pattern printed onto a medium, the color measurement device characterized by comprising a pressing member for pressing the medium; a color measurement section for performing color measurement of the printed pattern; a power supply for outputting power for the pressing member to press the medium; a detection section for detecting displacement of an output section of the power supply; and a controller for causing the color measurement section to perform color measurement of the printed pattern which was printed onto the medium pressed by the pressing member, the controller being adapted to reduce the power output by the power supply from a state in which the pressing member was pressed against the medium, and to detect a malfunction of the power supply on the basis of the detection result obtained from the detection section.02-02-2012
20120026500MEDIUM-PRESSING DEVICE AND MALFUNCTION DETECTION METHOD - To provide a medium-pressing device whereby it is possible to detect a malfunction of a power supply that outputs power for the purpose of pressing a medium. The invention is a medium-pressing device characterized by including a pressing member that presses a medium; a power supply that outputs power for the pressing member to press the medium; a detection section that detects displacement of an output section of the power supply; and a controller adapted to reduce the power output by the power supply from a state in which the pressing member presses the medium, and to detect malfunction of the power supply on the basis of detection results obtained from the detection section.02-02-2012
20120026498NON-CONTACT AND CONTACT COLOR SENSOR DEVICE - An apparatus for color sensing is disclosed. The apparatus includes a set of color sensor tolerances for a Non-Contact color sensor device; and a Contact color sensor device, conforming to the set of color sensor tolerances.02-02-2012
20120026501CURE DEGREE EVALUATION METHOD, CURE DEGREE EVALUATION SHEET, AND CURE DEGREE EVALUATION SYSTEM FOR EVALUATING CURE DEGREE OF ACTIVE ENERGY RAY-CURABLE RESIN COMPOSITION - Provided are a method for evaluating a cure degree of an active energy ray-curable resin composition simply, highly accurately, and quantitatively, a cure degree evaluation sheet for use in the method, and a cure degree evaluation system.02-02-2012
20120105851SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A spectral colorimetric apparatus includes a housing which includes a side wall. An outer surface of the side wall is an adjustment surface capable of adjusting a position of a linear sensor by moving while attaching the linear sensor to the adjustment surface. The linear sensor is supported by the side wall of the housing while abutting on the adjustment surface and receives a light beam that is dispersed by a concave surface reflection type diffraction element and passes through an opening portion. The adjustment surface is parallel to a tangential line at a part of a Rowland circle of the concave surface reflection type diffraction element, through which a light beam received by the linear sensor passes.05-03-2012
20110102795Carbon nanotube/polydiacetylene composites - Chromatic materials such as polydiacetylene change color in response to a wide variety of environmental stimuli including changes in temperature, pH and chemical or mechanical stress, and have been extensively explored as sensing devices. Here is reported the facile synthesis of carbon nanotube/polydiacetylene nanocomposite fibers which rapidly and reversibly respond to electrical current, with the resulting color change being readily observable with the naked eye. These composite fibers also chromatically respond to a broad spectrum of other stimulations: for example, they exhibit rapid and reversible stress-induced chromatism with negligible elongation.05-05-2011
20120300208OPTICAL FILTER, OPTICAL FILTER MODULE, AND PHOTOMETRIC ANALYZER - An optical filter includes fixed substrate, a movable substrate opposed to the fixed substrate, a first reflection film provided on a surface of the fixed substrate facing the movable substrate, a second reflection film provided on the movable substrate and opposed to the first reflection film across a gap, a first electrode formed to cover the first reflection film and to extend beyond an outer circumference of the first reflection film, and a second electrode provided on a surface of the movable substrate facing the fixed substrate and opposed to a part of the first electrode, and the first electrode is formed of a light-transmissive material, and the first electrode and the second reflection film are electrically connected at the same potential.11-29-2012
20120162648INTEGRATED PHOTODIODE WAVELENGTH MONITOR - An optical wavelength monitor photodiode integrated on a wafer and/or an optical device and coupled to optical components thereof provides wavelength measurement. The optical wavelength monitor includes a photodiode configured to output a signal that is representative of a wavelength of the light. An additional photodiode may be included in the optical wavelength monitor, each photodiode differing from the other in operating characteristics. The monitor may be used in testing the optical device while in wafer form and when the optical device has been cleaved from the wafer at the bar level. Testing/monitoring of the optical device may also be performed during use, for example, to control the wavelength of a laser such as a tunable laser.06-28-2012
20100290047Image Sensor Device and Method - An image sensor cell is presented for detection of electromagnetic radiation. The sensor cell can be used as a pixel in the pixel matrix of an image sensor device. The image sensor cell comprises a photocathode (11-18-2010
20120133939CARBON DIOXIDE CAPTURE AND STORAGE USING OPEN FRAMEWORKS - Methods and compositions useful for gas storage and separation are provided. More particularly, compositions and methods for CO05-31-2012
20120176620Method for Using a Variable Depletion Region to Determine a Range of the Electromagnetic Spectrum - A method for using a depletion region in a solid state spectrometer unit cell or plurality of cells for sensing different wavelengths of electromagnetic radiation at different depths within the substrate of the device. Variable bias voltages on one or more p-n junctions in the device are used so that the depth of the depletion regions are selectively varied. By varying the depletion region thickness of the p-n junctions in the device, the wavelengths absorbed by the semiconductor device and resultant electron-hole pairs collected by the p-n junctions are varied. In one embodiment, the outputs of each of two unit cell p-n junctions are sensed and the difference calculated and output to suitable circuitry for display as representative of a particular range or frequency of the electromagnetic spectrum.07-12-2012
20120176619Solid State Depletion Region Unit Cell Spectrometer - A solid state spectrometer unit cell or plurality of cells for sensing different wavelengths of electromagnetic radiation at different depths within the substrate of the device. Variable bias voltages on one or more p-n junctions in the device are used so that the depth of the depletion regions are selectively varied. By varying the depletion region thickness of the p-n junctions in the device, the wavelengths absorbed by the semiconductor device and resultant electron-hole pairs collected by the p-n junctions are varied. In one embodiment, the outputs of each of two unit cell p-n junctions are sensed and the difference calculated and output to suitable circuitry for display as representative of a particular range or frequency of the electromagnetic spectrum.07-12-2012
20120075631SPECTRUM INFORMATION MEASUREMENT METHOD, COLOR SENSOR AND VIRTUAL SLIDE DEVICE - A spectrum information measurement method may include steps of; controlling a reference pixel accumulating charges based on an amount of light irradiated from a test specimen; controlling a plurality of measurement pixels accumulating the charge based on an amount of light that is irradiated from the test specimen and has a prescribed wavelength; generating and outputting a reference signal based on an amount of change in the charge that is accumulated in the reference pixel over the prescribed measurement time; generating and outputting a plurality of measurement signals based on an amount of change in the charge that is accumulated in each of the plurality of measurement pixels over the prescribed measurement time; determining whether or not any one or more of the plurality of measurement signals is greater than the reference signal, and determining that the measurement signal that is greater than the reference signal includes saturated output.03-29-2012
20120314216Visual testing method for evalutating chromatic aberration - This invention comprises a method of visually comparing the chromatic aberration in two or more optical devices. The test reveals differences in the ability of an optical product to minimize chromatic aberration, so that ideally, various colors (corresponding to specific wavelengths) will have a sharp focus at almost the same distance away from the last optical element. The method provides a consistent way to test the chromatic aberration in various optical products that is more visually observable than the process of noting the halo of colors that appears along the edge of a dark object on a light background. The test is especially geared toward comparing binoculars with different optical material composition such as ED glass (Extra-low Dispersion) or FL (Fluorite) glass to those with conventional types of glass.12-13-2012
20120188545SPECTRUM MEASURING APPARATUS FOR MOVER - Disclosed is a movable body spectrum measuring apparatus, which is capable of discriminating an object being measured highly precisely by the photographic data regarding a spectrum sensor and is capable of processing the photographic data in real time. The movable body spectrum measuring apparatus discriminates the object being measured based on the spectrum data relating to the observation light detected by a spectrum sensor. The movable body spectrum measuring apparatus comprises a dictionary data storing unit for storing the spectrum data containing the wavelength information and the light intensity information of the object being measured, and a limitation information storing unit for storing limitation information to regulate the wavelength information into partial wavelength information. The movable body spectrum measuring apparatus further comprises a discrimination level setting unit for setting selectively the limitation information corresponding to the discrimination level required of the object being measured, a restricting unit for restricting the spectrum data regarding the observation light to the spectrum data composed exclusively of the wavelength information limited by the limitation information, and a discrimination unit for discriminating the object being measured based on the comparison between the restricted spectrum data and the spectrum data regarding the dictionary data storing unit.07-26-2012
20120188544STAND AND METHOD FOR COLOR MATCH EVALUATION - The present invention provides an apparatus and method for consistently comparing at least two paint color panels. The apparatus includes a stand having a telescoping pole, a planar plate, at least one magnetic strip, and an angle measuring apparatus. The method of comparing at least two color samples includes the steps of affixing a first color sample to the planar plate, affixing the second color sample to planar plate, raising the planar plate to the eye level of the user, adjusting the planar plate to a first predetermined angle, visually comparing the first color sample to the second color sample, adjusting the planar plate to a second predetermined angle, visually comparing the first color sample to the second color sample, and repeating the steps of adjusting the planar plate to a predetermined angle and comparing the first color sample to the second color sample until testing is complete.07-26-2012
20090021737Color management system with system-level communications - Color management systems and methods are provided wherein operations associated with an individual color measurement instrument are integrated into system-level operating software. Color measurement-related information associated with or derived from such color measurement instrument, e.g., color measurements, instrument-related messages (e.g., error messages), instrument status and the like, is automatically broadcast to other programs, instruments and/or applications that are adapted/registered to listen for and receive such broadcasts. An operating system program that includes, defines or interacts with an OS notification center facilitates communication with the ancillary programs, instruments or applications. Two way communications by way of the OS notification center are also facilitated.01-22-2009
20090021736METHOD OF SELECTING PIGMENT AND TITANIUM DIOXIDE TAKING INTO ACCOUNT ENVIRONMENT UNDER MULTIPLE LIGHT SOURCES, AND COMPOSITION THEREOF - In the selection of pigment for use, the optical characteristics of pigment taking into account an environment under multiple light sources obtained when irradiating each object with visible light from two or more light sources but not obtained in the use of a single light source can be utilized in compositions, or moldings, containing pigments, such as titanium dioxide, suitable for cosmetic, etc.01-22-2009
20120229809SELF-CONTAINED AND PORTABLE OPTICAL SPECTROMETER - The invention relates to a portable and self-contained optical spectrometer for analyzing a light spectrum backscattered by an illuminated sample, in order to deduce the content of at least one compound constituting the sample, said spectrometer being arranged about an optical axis and including: a target area centered on said optical axis; a plurality of optical sensors trained on the target area; an opaque measurement chamber including: an opening centered on said optical axis; at least one diffusing filter blocking said opening; and an inner bottom capable of housing the plurality of optical sensors and a main illumination device capable of illuminating the sample. The invention further relates to a method for using such a spectrometer.09-13-2012
20120229808BIOCHIP IDENTIFICATION APPARATUS, BIOCHIP AND METHOD OF IDENTIFYING BIOCHIP USING THE SAME - A biochip identification apparatus is provided. The biochip identification apparatus may include a light emitting part irradiating a light to a light transfer channel having at least one hole penetrating a body of biochip, a light receiving part receiving a light pattern formed after the light passed through the light transfer channel and converting it into an electrical signal, and a loading part into which the biochip is inserted. The biochip is identified by a shape of the light pattern.09-13-2012
20110228273TESTING APPARATUS FOR TESTING LIGHT EMITTING DIODE LAMP AND METHOD FOR OPERATING THE SAME - Disclosed is a method for operating a test apparatus for an LED lamp. The method includes: forming a self-holding circuit by switching on a first switching means such that an up and down shifter provided in the test apparatus for the LED lamp moves down; moving down and stopping the up and down shifter from a determined initial position to a measurement position; measuring the quality of the LED lamp equipped with the test apparatus for the LED lamp; releasing the self-holding circuit by switching on the second switching means such that the up and down shifter moves up; and moving up and down shifter from the measurement position to the determined initial position.09-22-2011
20110235039MINIATURIZED SYSTEM AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS - A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.09-29-2011
20120327416TEMPERATURE-COMPENSATED SPECTROMETER - The invention relates to a spectrometer comprising a hollow main optical body having at least one light channel, a light source, a diffraction grating having a grating central point, a light inlet opening, and a detector unit, which are arranged in such a way that the focal curve of the spectrometer satisfies the back focus equation. In order to create a spectrometer having sufficient spectral resolution from a low-price, light, and easy-to-process material, which spectrometer is able to operate in a large temperature interval even without thermostatic control, according to the invention the light inlet opening is arranged on a compensation body, the compensation body is arranged in the light channel and fastened to the main optical body between the light source and the diffraction grating, and the compensation body is dimensioned in such a way that the compensation body changes the distance between the light inlet opening and the grating central point when the main optical body thermally expands.12-27-2012
20120092671COLOR MEASUREMENT DEVICE AND COLOR MEASUREMENT METHOD - To press a medium using an appropriate pressing force and perform colorimetric measurement, a color measurement device for performing colorimetric measurement of a print pattern printed on a medium, the color measurement device comprising a pressing member for pressing the medium; a power source for outputting power for the pressing member to press the medium; a detecting part for detecting a pressing force on the medium; a color measurement section for performing colorimetric measurement of the print pattern; and a control part for controlling the power source so that the pressing force detected by the detecting part is equal to a predetermined pressing force, and for causing the color measurement section to perform colorimetric measurement of the print pattern printed on the medium pressed by the pressing member.04-19-2012
20120092670ARTICLE, SYSTEM, AND METHOD FOR COLOR MEASUREMENT - In one example, the article includes instructions for illuminating a color patch with a first illumination intensity, capturing a first color measurement of the color patch, adjusting the first illumination intensity to a second illumination intensity based on the first color measurement, illuminating the color patch with the second illumination intensity, and capturing a second color measurement. In one example, the system discloses a light source illuminates a color patch with a first illumination intensity, a color measurement module captures a first color measurement of the color patch, wherein the color measurement module causes the light source to adjust the first illumination intensity to a second illumination intensity based on the first color measurement, and wherein the color measurement module captures a second color measurement of the color patch. In one example, the method discloses blocks for effecting the article and system.04-19-2012
20130016352SPECTRAL COLOR SENSOR AND IMAGE FORMING APPARATUSAANM Kita; HiroshiAACI Mishima-shiAACO JPAAGP Kita; Hiroshi Mishima-shi JPAANM Ebihara; Shun-ichiAACI Suntou-gunAACO JPAAGP Ebihara; Shun-ichi Suntou-gun JP - A spectral color sensor including a spectroscopic unit that disperses reflected light from a measurement target, and a light detection element that detects the dispersed light from the reflected light, comprises: a storage unit that stores a correspondence relationship between a pre-measured wavelength of the dispersed light projected on the light detection element and a projection position, as well as a stray light component; a first correction unit that, based on a measurement result when a color is measured, corrects the correspondence relationship between the wavelength of the dispersed light projected on the light detection element and the projection position stored in the storage unit; and a second correction unit that carry out wavelength correction on the stray light component stored in the storage unit using the corrected correspondence relationship between the wavelength and the projection position.01-17-2013
20130016351OPTICAL MEASUREMENT APPARATUS AND OPTICAL MEASUREMENT SYSTEM - An optical measurement apparatus, to which a base end portion of a measurement probe introduced into a subject is connected so that scattering light from the subject through the measurement probe can be measured, includes: a calibration member serving as an irradiation target of illumination light; an insertion portion where a leading end of the measurement probe can be inserted; a housing portion that communicates with the insertion portion and accommodates the calibration member; a detection unit that detects insertion of the measurement probe when the calibration member reaches a predetermined position in the housing portion; and a control unit that performs control for initiating the calibration process when the detection unit detects the insertion of the measurement probe.01-17-2013
20130016350Method for Securing a Display Diagnostic Device to a DisplayAANM Park; TaeyoungAACI PrincetonAAST NJAACO USAAGP Park; Taeyoung Princeton NJ USAANM Tobie; DavidAACI Mount VernonAAST MEAACO USAAGP Tobie; David Mount Vernon ME USAANM Clark; ShawnAACI HamiltonAAST NJAACO USAAGP Clark; Shawn Hamilton NJ US - An apparatus for securing a diagnostic tool proximate to and in front of a display device between the corners thereof. A harness is adapted to releasably hold the diagnostic tool, a restraining bracket extends from the harness, and there is at least one elastic cord having a first end, an intermediate portion and a second end. The cord is threaded through the restraining bracket and is sized so as to impart elastic tension to the corners of the display device while concomitantly protecting the front surface from pressure due to the position of the harness and diagnostic tool.01-17-2013
20110157589Method for the Binning of Radiation-Emitting, Optoelectronic Semiconductor Components - A method for the binning of a radiation-emitting, optoelectronic semiconductor component (06-30-2011
20110157588DEVICE COMPRISING TWO REFLECTING LAYERS AND A POLYMER LAYER FOR ANALYZING THE AGE AND/OR QUALITY OF A NATURAL PRODUCT - The present invention relates to the field of analyzing the age and/or quality of certain natural products, for example foods. The invention also relates to devices for analyzing said age and/or quality as well as to methods for preparing such devices, to methods for analyzing natural products and to their use.06-30-2011
20120242990FAULT DETECTION METHOD AND FAULT DETECTION APPARATUS FOR VCSEL - Proposed is a technique for detecting a damaged VCSEL in a short time and at low cost. It shows the light emission spectrum of a multi-mode VCSEL before an ESD damage, and the light emission spectrum which shows several peaks corresponding to the structure of the active layer (MQW) and the upper and lower reflectors (DBR) is obtained. On the other hand, when the VCSEL which has an ESD damage has a damage in the active layer, the light emission spectrum which shows fewer peaks than the original number of peaks is obtained. Accordingly, the light spectrum analyzer analyzes the light emission spectrum, and it is determined that ESD damage has occurred when the number of peaks is equal to or smaller than a predetermined number, e.g., two peaks.09-27-2012
20120242989Multipass Cell Using Spherical Mirrors While Achieving Dense Spot Patterns - A technique for designing a multipass optical cell utilizes an iterative artificial intelligence-based optimization process based upon evaluation of direct ray tracing with mirrors simulated as having true spherical surfaces (i.e., defined as a “thick lens”) to identify particular cell configurations that result in creating spot patterns which fill a significant portion of the surface of each mirror without significant spot overlap. This technique allows the use of relatively simple, low-cost spherical mirrors while providing the desired dense spot patterns.09-27-2012
20130141724Process For Predicting Tint Strength Of Coating Compositions By Wet Color Measurement - The present invention is directed to a process for predicting the tint strength of a pigmented coating composition, such as automotive OEM or refinish paint, on a real time basis while it is being made. The tint strength of a coating resulting from a layer, obtained by adding a reference binder to the coating composition, is measured. The process is repeated by subjecting the coating compositions to successive grinding intervals. The tint strength vs. reflectance is plotted on a graph and then by using a curve fitting equation, a tint strength prediction curve is obtained. By measuring the reflectance of a wet layer of a target coating composition, the tint strength of that target coating composition can then be predicted by using the tint strength prediction curve. The process is most useful during the manufacture of coating compositions, such as automotive OEM and refinishes paints.06-06-2013
20130141725LIGHT SOURCE CLASSIFICATION SYSTEM AND METHOD - A method of light source classification includes determining a plurality of color regions in the CIE 1976 chromaticity diagram according to desired classification criteria. The plurality of color regions of the CIE 1976 chromaticity diagram are converted into a plurality of color classification regions defined by color coordinates of the CIE 1931 chromaticity diagram. The light source is classified into one of the plurality of color classification regions. This classification method may allow for precise classification based on actual color differences, while providing light sources having color uniformity in the same classification region.06-06-2013
20120250020HAND-HELD COLOR MEASUREMENT DEVICE - A hand-held color measurement device is provided that includes a housing with a measurement unit which receives measurement light through a measurement window, converts it into measurement signals, processes the measurement signals to form digital color measurement data, and provides it via a communications interface. A U-shaped bracket is arranged on the housing and includes a middle portion in which a diffuser is integrated. The two side arms of the bracket are rotatably mounted on the housing such that the bracket can be pivoted by 180° from a monitor position to an ambient light position and back to the monitor position, and wherein the diffuser lies in front of the measurement window in the ambient light position and is situated at a rear wall of the housing opposite the front wall in the monitor position. A holding mechanism is provided on the housing and on the two side arms of the bracket which fixes the bracket in its monitor position or ambient light position, respectively. The hand-held color measurement device is simple in design and specially suitable for monitor, projection area and ambient light measurements.10-04-2012
20130114082TEMPERATURE RESPONSE SENSING AND CLASSIFICATION OF ANALYTES WITH POROUS OPTICAL FILMS - Methods and systems of the invention can determine the identity and quantity of analytes in a vapor. In preferred methods, a porous optical film is exposed to vapor which contains analyte. The porous optical film is heated and its optical response is monitored during heating. An optical response observed via heating can determine the identity and/or quantity of the analyte. In preferred embodiments, optical response during a thermal pulse is compared to a database of sensor responses that are characteristic of various analytes. Preferred methods are conducted a relatively low temperatures, for example below about 200° C. In preferred methods, a heating and cooling cycle produces a hysteresis curve in the optical response that is indicative of analytes. In preferred embodiments, a thermal reset pulse resets the porous optical film for later use and also provides an optical response that can be used for sensing.05-09-2013
20130094024DEVICE FOR OPTICALLY SCANNING AND MEASURING AN ENVIRONMENT - With a device for optically scanning and measuring an environment, which is designed as a laser scanner, with a light emitter, which emits an emission light beam, with a light receiver which receives a reception light beam which is reflected from an object in the environment of the laser scanner or scattered otherwise, and with a control and evaluation unit which, for a multitude of measuring points, determines at least the distance to the object, at least one shell is provided as part of the housing of the laser scanner, said shell being partially covered on its outer side by at least one yoke which serves as protection.04-18-2013
20130148124COLOR SENSING DEVICE - A color sensing apparatus (06-13-2013
20120274940Optical Assemblies for a Color Measurement Instrument - The optical assemblies disclosed herein advantageously utilize a beamsplitting apparatus in association with (i) the illumination path or (ii) the collection path of a color measurement instrument. Thus, the beamsplitting apparatus may be configured to spectrally divide one or more initial beams of light to emit a plurality of resultant beams of light, wherein the optical assembly is configured to illuminate a target using at least a first and second of the plurality of resultant beams. Alternatively, the beamsplitting apparatus may be configured to spectrally divide light received from a target to emit a plurality of resultant beams of light, wherein the optical assembly is configured to detect at least a first and second of the plurality of resultant beams of light. Advantageously, each of the first and second resultant beams is a product of a distinct set of one or more spectral constraints exacted by the beamsplitting apparatus.11-01-2012
20130182256APPARATUS AND METHOD FOR OBTAINING SPECTRAL CHARACTERISTICS - A spectral characteristic obtaining apparatus includes a detection unit detecting light quantities in plural wavelength bands from a measurement target, a storage unit storing pre-obtained spectral characteristics of the measurement target, a calculation unit calculating a primary transformation matrix from the light quantities and the pre-obtained spectral characteristics of at least one reference sample and a secondary transformation matrix from one of the pre-obtained spectral characteristics corresponding to a primary wavelength band and another one of the pre-obtained spectral characteristics corresponding to a secondary wavelength band, an estimation unit estimating the spectral characteristics of the measurement target by performing a primary estimation on the light quantities in the plural wavelength bands by using the primary transformation matrix, performing a secondary estimation on a result of the primary estimation by using the secondary transformation matrix, and compositing a result of the secondary estimation with the result of the primary estimation.07-18-2013
20130188185MINIATURIZED SYSTEM AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS - A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.07-25-2013
20120293801FEATURE VALUE ESTIMATION DEVICE AND CORRESPONDING METHOD, AND SPECTRAL IMAGE PROCESSING DEVICE AND CORRESPONDING METHOD - An estimation device is configured to estimate a feature value of a specific component contained in a sample and includes: a spectral estimation parameter storage module; a calibration parameter storage module; a multiband image acquirer; an optical spectrum operator configured to compute an optical spectrum from a multiband image using a spectral estimation parameter; and a calibration processor configured to compute the feature value from the optical spectrum using a calibration parameter.11-22-2012
20130201481SORTING MATERIALS USING PATTERN RECOGNITION, SUCH AS UPGRADING NICKEL LATERITE ORES THROUGH ELECTROMAGNETIC SENSOR-BASED METHODS - A system and method of sorting mineral streams, for example laterite mineral ores, into appropriately classified valuable and waste streams for maximum recovery of value from the mineral stream, e.g., a stream of minerals includes receiving response data indicating reflected, absorbed or backscattered energy from a mineral sample exposed to a sensor, where the mineral sample is irradiated with electromagnetic energy. The system determines spectral characteristics of the mineral sample by performing spectral analysis on the response data of the mineral sample and identifies a composition of the mineral sample by comparing the spectral characteristics of the mineral sample to previously developed spectral characteristics of samples of known composition. The system then generates a sort decision for the mineral sample based on the comparison, where the sort decision is used in diverting the mineral sample to a desired destination e.g. pyrometallurgical treatment stages, or to a waste stream.08-08-2013

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