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7623254 |
Systems and methods for detecting inkjet defects
A method for testing inkjets for defects in an inkjet device includes determining, based on the likelihood that one or more inkjets are defective, whether to perform an inkjet defect test, The...
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7623243 |
Spectroscopic device
A spectroscopic device that can suppress the occurrence of cross-talk when light beams of different wavelength ranges are optically received is provided. Detected light is made incident to a...
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7616314 |
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement are disclosed herein. In one embodiment, for example, a method...
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7593105 |
Tristimulus colorimeter having integral dye filters
A tristimulus colorimeter on a single semiconductor chip having at least three detectors, each detector being coated by colorant filters, each filter having at least one layer and at least one...
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7580130 |
Method for designing a colorimeter having integral illuminant-weighted CIE color-matching filters
A method for determining the optimal colorant thicknesses and linear combinations for integral illuminant-weighted CIE color-matching filters is provided. A reflectance colorimeter for configuring...
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7576860 |
Light filter having a wedge-shaped profile
A light filter includes exactly one partially reflective layer having a top and a bottom and a wedge-shaped profile defining a wedge direction. First and second transparent layers are disposed on...
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7560684 |
On-vehicle imaging device
A vehicle-mounted imaging device that is mounted in an automobile and performs color imaging has been provided with a plurality of two-dimensionally arranged pixel cells. In each of the pixels, a...
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7557925 |
Optical instrument and parts thereof for optimally defining light pathways
An optical assembly is disclosed that includes an illumination source, a detection sensor, a monitor sensor, and an optical piece having a first side adapted to face a sample. The optical piece...
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7557924 |
Apparatus and methods for facilitating calibration of an optical instrument
An optical system comprising an optical instrument and a processing unit. The optical instrument may comprise an illumination source and a sensor. The processing unit may comprise a data storage...
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7538878 |
Apparatus and method for measuring optical characteristics of an object
A system for applying pigment to a substrate includes a spectrophotometer integral to the system. Light received from the substrate is spectrally analyzed by a spectrometer. One or more pigment...
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7528957 |
Spectrometric process monitoring
Spectrometric apparatus that include an array of detector elements and exhibits a number of capabilities is disclosed. The elements can be responsive to incident radiation to produce an output...
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7477392 |
Electromagnetic energy measurement apparatus and method
An electromagnetic energy measurement apparatus and method for measuring first, second, and third wavelength components includes first and second coated optical elements having non-parallel...
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7474402 |
Reflectance sensor for integral illuminant-weighted CIE color matching filters
A tristimulus colorimeter for measuring reflective or transmissive materials is provided. The colorimeter measures a sample under a calibrated light source, receives inputs to detectors, and...
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7468796 |
Multiple-color monochromatic light absorption and quantification of light absorption in a stained sample
An absorption detection system is provided. The system includes a plurality of monochromatic light sources and a separator for separating the light from the plurality of monochromatic light sources...
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7466419 |
Spectral instrument
In this spectral instrument, a plurality of interference filters 31, 32 . . . with transmitting wavebands different from each other are arranged in order so that light reflected by a specific...
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7453575 |
Spectrometer including a plurality of spectrally diverse filters each outputting multiple discrete wavelength peaks, and associated methods
A spectrometer for use with a desired wavelength range includes an array of filters. Each filter outputs at least two non-contiguous wavelength peaks within the desired wavelength range. The array...
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7450229 |
Methods for analyzing inter-cellular phenomena
Aspects of the present invention encompass the collection of multispectral images from a population of objects, and the analysis of the collected images to measure at least one characteristic of...
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7433042 |
Spatially corrected full-cubed hyperspectral imager
A hyperspectral imager that achieves accurate spectral and spatial resolution by using a micro-lens array as a series of field lenses, with each lens distributing a point in the image scene...
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7423677 |
Color filter method and apparatus
Method and apparatus for generating an output signal that represents light with a desired color profile. A first sensor is provided to receive light and based thereon to generate a first signal...
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7420680 |
Method for designing a colorimeter having integral CIE color-matching filters
A method for determining the optimal colorant thicknesses for integral CIE color-matching filters is provided. According to a computational study, a four band filter of the present invention...
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7420679 |
Method and apparatus for extended hyperspectral imaging
The disclosure relates to method and apparatus for obtaining a multimodal hyperspectral image of a sample for widefield spectral analysis. An apparatus according to one embodiment may include a...
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7420678 |
Multi-spectral imaging
Systems and techniques for multi-spectral imaging. Light may be received at a multi-spectral optical module, which transmits a plurality of wavelength band portions of the received light, each...
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7420677 |
Sensing photon energies of optical signals
An integrated circuit includes a photosensor array with subrange cells that photosense within respective subranges of an energy range. An optical signal and the array move relative to each other,...
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7420663 |
Spectroscopic sensor on mobile phone
This invention discloses a spectroscopic sensor that is integrated with a mobile communication device, such as a mobile phone. The spectroscopic sensor is capable of measuring the optical spectra...
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7417727 |
Method and apparatus for standoff detection of liveness
A method for remotely detecting whether a subject is alive, comprising the steps of determining a calibration spectral signature for light reflectance from living skin, normalizing the calibration...
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7414724 |
Light diffuser used in a testing apparatus
An apparatus for photometrically testing several specimens each irradiated by a light source, the light altered by the specimens being detected by an optical device and analyzed, the apparatus...
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7400404 |
Apparatus and method for measuring color
Color measuring systems and methods are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object...
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7394543 |
Spectral selection and image conveyance using micro filters and optical fibers
The present invention features a fiber optic imaging system for generating a customized spectral response comprising (a) an optional optical source for generating optical energy, (b) an optical...
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7394541 |
Ambient light analysis methods, imaging devices, and articles of manufacture
Ambient light analysis methods, imaging devices, and articles of manufacture are described. According to one aspect, an ambient light analysis method includes emitting light using a source, first...
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7391514 |
Colorimeter
A calorimeter for measuring a color of light includes a color sensing device, a suspension means and a counterweight. The suspension means suspends the color sensing device in an operative...
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7391008 |
Method and system for wavelength-dependent imaging and detection using a hybrid filter
Apparatus and methods for wavelength-dependent detection are provided. A detector includes a hybrid filter having unpatterned and patterned filter layers and at least one light-detecting sensor...
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7388665 |
Multicolour chromaticity sensor
The present invention provides an optical sensor having one or more filter-photodetector pairs and feedback to monitor the intensity and chromaticity of the white light generated by an illumination...
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7382456 |
Spectroscopic sensor for measuring sheet properties
A spectroscopic sensor for measuring flat sheet product is disclosed. The disclosed sensor uses a combination of spectrometers and single-channel detectors and filters together with a broadband...
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7372571 |
Color sensing apparatus
A colorimeter method and apparatus is described. The colorimeter includes a plurality of sensors/filter systems with non overlapping spectral responses, adequate for providing data capable of...
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7365850 |
Two-dimensional spectroradiometer
A two-dimensional spectroradiometer has an optical system such as an objective optical system 2 and a relay lens 6 for receiving light rays La from a two-dimensional light source L to form an...
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7345764 |
Apparatus and method for a slim format spectrometer
Disclosed is an apparatus and method for a compact, rugged, and inexpensive spectrometer that will make possible a range of new applications for optical spectroscopy including point-of-care medical...
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7326915 |
Wavelength stabilization for broadband light sources
A broadband light source, such as a light-emitting diode (LED), such as a superluminescent light-emitting diode (SLED), has its mean wavelength stabilized by using a filter to pass a characteristic...
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7315377 |
System and method for remote sensing and/or analyzing spectral properties of targets and/or chemical species for detection and identification thereof
A method and a low-cost, robust and simple system for remote sensing and analyzing spectral properties of targets as a means to detect and identify them is introduced. The system can be highly...
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7304723 |
Light source unit, photoreceptive unit and multichannel photodetector using the same
A reaction container, a light source unit including light emitting devices that are different in wavelength of an emitted light beam and output dichroic mirrors that are different in wavelength...
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7295340 |
Systems and methods for obtaining a spatial color profile, and calibrating a marking system
Tone reproduction curves for calibrating a marking system are obtained using a test pattern with a plurality of patches, preferably a plurality of first test patches extending in a first direction...
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7291824 |
Photosensing throughout energy range and in subranges
An integrated circuit (IC) includes a photosensor array, some cells of which are reference cells that photosense throughout an application's energy range, while other cells of which are subrange...
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7286233 |
Spectrophotometer with micro-filters
A spectrophotometer comprises selection means for selecting one or more of the components of a light beam corresponding to different wavelengths, formed by optical micro-filters.
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7285768 |
Color photodetector array
A color sensor for measuring light from a light source and the method for fabricating the color sensor. The color sensor includes a plurality of photodetectors, a plurality of primary color filters...
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7283307 |
Common aperture vision system
An optical device comprises a dichroic beamsplitter for splitting an object beam into a reflected beam having a first waveband and a transmitted beam having a second waveband; an...
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7280214 |
Method and apparatus for a high resolution downhole spectrometer
The present invention provides a simple, robust, and versatile high-resolution spectrometer that is suitable for downhole use. The present invention provides a method and apparatus incorporating a...
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7277176 |
Emission filter X-Y array
An imaging system for obtaining images of a specimen that includes a novel filtering system for filtering radiation emitted from the specimen. The imaging system includes a camera and a novel...
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7277175 |
Systems and methods for wavelength selective measurement of properties of small volume liquid samples
A system for measuring properties of small volume liquid samples, where the system includes wavelength selective filters.
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7274455 |
Optical detection apparatus for multi-channel multi-color measurement and multi-channel sample analyzer employing the same
Provided are an optical detection apparatus which can measure multi-channel samples at high speed and various wavelengths using an optical detector and a multi-channel sample analyzer employing the...
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7274454 |
Imaging system with programmable spectral switch
An imaging apparatus has input optics for obtaining a multispectral image bearing light and a programmable spectral switching section. The programmable spectral switching section has a first lens...
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7268879 |
Color measurement engine with parallel detectors
A color measurement instrument includes a housing and illuminators, a two-dimensional photodetector array, and an optics system within the housing. A UV filter wheel closes the housing to prevent...
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