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| Number | Title | Issue Date |
| 7898664 | Method for measuring chromaticity values by a colorimeter A method measures chromaticity values using a colorimeter to solve the drawbacks of conventional technologies, such as an inaccurate illuminant, the filter of color-matching function being difficult to be deposited and manufactured within a filter mod colorimeter, a... | 03/01/2011 |
| 7859668 | Apparatus and method for illuminator-independent color measurements A method includes generating at least one first light beam and generating at least one second light beam and at least one third light beam using the at least one first light beam. The at least one first light beam has a plurality of first regions, the at least one s... | 12/28/2010 |
| 7787121 | Imaging 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 im... | 08/31/2010 |
| 7773222 | UV enhanced full width array scanning spectrophotometer A system and method for full width scanning color analysis of a printed media sheet are disclosed. The full width array spectrophotometer system includes one or more substantially linear elongated illumination arrays of closely spaced multiple illumination sources. ... | 08/10/2010 |
| 7755762 | Method of improving a color filter A method of improving an initial color filter comprises a numerical generation of sinusoidal spectra. Two steps of selecting said spectra are then executed. The first selection is carried out according to a criterion of colorimetric similitude with respect to the in... | 07/13/2010 |
| 7656530 | Color density measuring device A color density measuring device (10) for determining the color density of an ink layer applied to a printing material (22), having a light source (24) for illuminating the printing material (22) and a sensor for receiving the light remit... | 02/02/2010 |
| 7557923 | Method and system for in situ spectroscopic evaluation of an object A method and system for spectroscopically determining surface and product characteristics is employed for rapid detection of product characteristics and/or the presence or absence of suspected analytes, and the concentration of the analyte. The method and system use... | 07/07/2009 |
| 7499165 | System of measuring light transmission and/or reflection A system of measuring light transmission and/or reflection has a light transmitter(s) and at least one light sensor which are used to generate a defined light environment over a specified light frequency range. ... | 03/03/2009 |
| 7446874 | Reagents for arsenic meter A formulation for preparing water samples for determining arsenic concentration by colorimetry is provided. The chemical reagents in the formulation may be provided as premeasured and premixed tablets or pills. The chemical reagents include sulfamic acid, an oxidize... | 11/04/2008 |
| 7443506 | Compact spectral readers for precise color determination Systems and methods for providing spectral measurements are described. In one embodiment, a spectral measuring device comprises at least one radiation source configured to provide N (N≧2) linearly independent illuxninant sources characterized by M (M≧N) waveleng... | 10/28/2008 |
| 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 being measured. Light from the perimeter fiber optics pass to a variety o... | 07/15/2008 |
| 7369239 | Light measuring apparatus and method for measuring monochromatic light A color luminance meter 1 is provided with a polychrometer 4 as a spectral optical system including a light receiving sensor array 43, a signal processing circuit 5 and an operation control unit 6. The operation control unit 6 | 05/06/2008 |
| 7365833 | System for measuring radiance, transmittance and reflectance Two or more triangular apertures are employed to pass radiation from a source to a detector to reduce the amount of stray radiation received by the detector. Preferably, the two apertures are equilateral triangles oriented at 60 rotated relative to each other and ha... | 04/29/2008 |
| 7365854 | Apparatus and methods for high speed RGB color discrimination Device and method for inspecting a polychromatic region, such as a polychromatic pattern, on a moving workpiece. The method includes device includes a solid-state light source, preferably a light emitting diode, adapted to emit light in a range of wavelengths for il... | 04/29/2008 |
| 7351245 | Apparatus and method for dislodging object from throat An apparatus for sucking out an object stuck in a person's throat, comprising hollow first and second bellows elements each having an orifice with a one-way valve and an exit valve, a tube structure comprising first and second legs having free distal ends outside th... | 04/01/2008 |
| 7349017 | Color sensor circuit with integrated programmable gain selection A color sensor is implemented on a single integrated circuit chip. The color sensor includes a plurality of color sensor circuits and a gain selection control. Each color sensor circuit in the plurality of color sensor circuits includes a light detector, an amplifie... | 03/25/2008 |
| 7341369 | Isotropic illumination An isotropic illuminator is described, including a relay lens configured to focus a source image propagated from a source and a lightpipe having an entrance aperture and an exit aperture. The source image is aligned by a folding element to fill the entrance aperture... | 03/11/2008 |
| 7342657 | Dual illumination angle goniometric spectrophotometer The present disclosure provides for a device, as well as a system and method associated therewith, for, among other things, providing: (i) up to five distinct measurement angles along with an illumination reference channel; (ii) a plurality of illumination sources t... | 03/11/2008 |
| 7341140 | Off-loading conveyor of produce An off-loading conveyor of produce having utility in the discrimination and separation of watermelons includes a support structure defining a conveying path, an endless flexible element mounted on the support structure to extend and to move along the conveying path ... | 03/11/2008 |
| 7336362 | Arsenic meter A field test-kit for analyzing arsenic concentration in water samples is provided. The kit includes a portable infrared beam photometer for measuring light absorbance in aqueous specimens. An infrared light emitting diode is configured to direct a beam of light thro... | 02/26/2008 |
| 7315375 | Reagents for arsenic meter A formulation for preparing water samples for determining arsenic concentration by colorimetry is provided. The chemical reagents in the formulation may be provided as premeasured and premixed tablets or pills. The chemical reagents include sulfamic acid, an oxidize... | 01/01/2008 |
| 7294364 | Method for curing composite materials A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 11/13/2007 |
| 7277181 | Interferometric apparatus and method for surface profile detection An apparatus for detecting the surface profile of a test object includes a light source, a beam splitter, a reflective component, a sensor, and a computing device. The light source emits a light beam. The beam splitter divides the light beam into reference and probi... | 10/02/2007 |
| 7259853 | Systems and methods for augmenting spectral range of an LED spectrophotometer An LED spectrophtometer device for determining an aspect of the color of an object may include: a visible spectrophotometer comprising a plurality of light emitting diodes that emit light in the visible spectrum onto the object; at least one detector for detecting s... | 08/21/2007 |
| 7259375 | Special effects video camera The invention provides a video camera fitted with telemetry means which provide, in parallel with the image, information relating to the distance of each of the filmed points of an image. A clip key calculated on the information relating to the distance may be calcu... | 08/21/2007 |
| 7256557 | System and method for producing white light using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs A system and method for generating white light involves using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs to produce white light and adjusting the emitted light in response to feedback signals. Generating white light using a ... | 08/14/2007 |
| 7251031 | Colorstick A device comprising an illumination means and a light sensing means, that can examine and memorize a discrete color of an object based on the magnitude of the reflected light bouncing off of the colored surface in at least three areas of the electromagnetic spectrum... | 07/31/2007 |
| 7251032 | Optical monitoring system with molecular filters An optical monitoring system for determining the constituents of a sample or specimen. An absorption spectrum is obtained from a sample and is passed through one or more filters having a specified absorption spectrum defined by a single atom or a compound. If the fi... | 07/31/2007 |
| 7233397 | Methods and apparatus for colorimetrically characterizing color deviation in color imaging devices Methods and apparatus are provided that print a set of similar color patches using a color output device, determine colorimetric values for each color patch, calculate a standard deviation value for each of the colorimetric values, and calculate a numerical value th... | 06/19/2007 |
| 7227673 | Color measurement with distributed sensors in a color hard copy apparatus A method and apparatus for color measurement using a physically distributed multiplicity of sensors. Broad band illumination is provided to irradiate a test pattern. The sensors are used to measure color characteristics of discrete areas of a region of the pattern t... | 06/05/2007 |
| 7218704 | X-ray backscatter mobile inspection van An inspection system based upon an enclosed conveyance such as a van, capable of road travel, for inspecting persons or objects. The conveyance is characterized by an enclosing body, or skin. A source of penetrating radiation and a spatial modulator for forming the ... | 05/15/2007 |
| 7218854 | High capacity passive optical network A passive optical network suitable for use as a telecommunications access network, having a head-end transmitting in a first optical frequency and one or more subscriber stations transmitting on a second common optical frequency. A carrier sense, multiple access pro... | 05/15/2007 |
| 7196786 | Method and apparatus for a tunable diode laser spectrometer for analysis of hydrocarbon samples The present invention provides an down hole apparatus and method for ultrahigh resolution spectroscopy using a tunable diode laser (TDL) for analyzing a formation fluid sample downhole or at the surface to determine formation fluid parameters. In addition to absorpt... | 03/27/2007 |
| 7193708 | Time efficient method for investigating sample systems with spectroscopic electromagnetic radiation Time efficient methodology for investigating a sample system using electromagnetic wavelengths which are not absorbed by oxygen and/or water vapor during evacuation or purging of a substantially enclosed space in which is present the sample system, followed by using... | 03/20/2007 |
| 7180594 | Method and apparatus for verifying proper operation of a photometric device, such as a cell density probe An in-situ technique is provided for automatically verifying proper operation of a photometric device, such as a cell density probe (CDP). The CDP has a first detector and a second detector. The first detector senses light that is transmitted from a light source of ... | 02/20/2007 |
| 7173708 | Method and apparatus for detecting damage in plant products A method and apparatus of sorting plant products based on damage to the plant products is disclosed. A beam emitter emits an illumination light toward the outer surface of a plant product. A beam detector detects substantially a single wavelength of a reflected ligh... | 02/06/2007 |
| 7167246 | Method of color matching metallic paints A process for color matching a metallic paint by taking a color measurement reading at a single angle using a regular spectrophotometer or colorimeter is provided. The preferred type of metallic pigment to be utilized in preparing the matching color can be selected ... | 01/23/2007 |
| 7116420 | Method of color matching wood stains A method of producing a finish for a selected wood substrate, wherein the finish provides the selected wood substrate with a color that matches the color of a target object. In accordance with the method, calculations are performed to determine the quantities of at ... | 10/03/2006 |
| 7099434 | X-ray backscatter mobile inspection van An inspection system based upon an enclosed conveyance such as a van, capable of road travel, for inspecting objects of inspection that may include persons. The conveyance is characterized by an enclosing body, or skin. A source of penetrating radiation and a spatia... | 08/29/2006 |
| 7077064 | Methods for measurement and control of ink concentration and film thickness A process is disclosed to measure or monitor ink concentration or ink thickness of an ink film as printed on a printing press, which consists of measuring light reflected from the ink film and the ink substrate. ... | 07/18/2006 |
