1
Fred F Hubble III, Joel A Kubby: Spectrophotometer for color printer color control with displacement insensitive optics. Xerox Corporation, May 7, 2002: US06384918 (181 worldwide citation)

An improved spectrophotometer for non-contact measuring of the colors of colored target areas, especially, test patches on moving printed test sheets in an unrestrained normal output path of a color printer, which test patches may be sequentially angularly illuminated with multiple different colors, ...


2
Pierre Breton, Louis Drolet, Thomas Jelonek, Donald Griffin Koch, Pierre Jules Tremblay, Peter Whaite: Method and apparatus for determining the appearance of an object. Deus Ex Machina, Ryan Kromholz & Manion S C, December 28, 1999: US06008905 (112 worldwide citation)

A method for determining the appearance of an object to be replicated and an apparatus therefor are described herein. The method consists in providing a controlled illumination to illuminate a surface of the object, measuring the object with a CCD camera to collect an image map of a plurality of poi ...


3
Michael A Hoffman: Fluorescent-particle analyzer with timing alignment for analog pulse subtraction of fluorescent pulses arising from different excitation locations. Becton Dickinson and Company, Allen W Wark Esq, October 28, 1997: US05682038 (110 worldwide citation)

A flow cytometry system includes a flow tube through which particles marked with different fluorochromes pass from a first location, illuminated by a red laser, to a second location, illuminated by a blue laser. A "red" photodetector is optically coupled to detect red fluorescence from both location ...


4
Wayne D Jung, Russell W Jung, Alan R Loudermilk: Integrated spectrometer assembly and methods. LJ Laboratories L L C, Loudermilk & Associates, June 12, 2001: US06246479 (94 worldwide citation)

Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. ...


5
Wayne D Jung, Russell W Jung, Alan R Loudermilk: Apparatus for determining optical characteristics of an object. LJ Laboratories L L C, Loudermilk & Associates, April 28, 1998: US05745229 (92 worldwide citation)

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 of filters. The system utilizes the ...


6
Wayne D Jung, Russell W Jung, Alan R Loudermilk: Apparatus for measuring optical characteristics of a substrate and pigments applied thereto. LJ Laboratories L L C, Loudermilk & Associates, April 16, 2002: US06373573 (88 worldwide citation)

Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. ...


7
Torleif O Bjornson, R Fred Pfost: Optical detection module for use in an automated laboratory work station. Beckman Instruments, William H May, Paul R Harder, Wen Liu, June 30, 1992: US05125748 (85 worldwide citation)

An automated multi-purpose analytical chemistry processing center and laboratory work station having a movable table for supporting microtiter plates and other fluid receptacles, a movable arm, and a modular mobile pod affixed for reciprocal movement along the arm. The workstation combines into a si ...


8
Gyeong sik Ok, Jin tae Kim, Kwang wook Oh, Sang hyo Kim: Optical detection apparatus for multi-channel multi-color measurement and multi-channel sample analyzer employing the same. Samsung Electronics, Cantor Colburn, September 25, 2007: US07274455 (79 worldwide citation)

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 same. The optical detection apparatus includes an optical detector; a filter wheel having at least two ...


9
Nobutoshi Sekiguchi: Spectroscopic apparatus and spectroscopic image recording apparatus. Olympus Optical, Frishauf Holtz Goodman Langer & Chick, March 17, 1998: US05729011 (75 worldwide citation)

A spectroscopic apparatus capable of simultaneously producing spectroscopic images corresponding to a plurality of wavelengths and a spectroscopic image recording apparatus capable of recording the produced spectroscopic images, wherein an image producing unit produces a plurality of same images fro ...


10
Jean Luc M Leveque, Gilbert J Gras: Process and apparatus for making a numerical determination of the color, or of a change in color, of an object. L Oreal, Cushman Darby & Cushman, October 14, 1986: US04616933 (74 worldwide citation)

A coaxial optical fiber bundle assembly (Reference No. 6 in the following Specification and Drawing), carrying emitted light from a light source and received light which has been returned by an object illuminated from said light source, is moved towards the object (Reference No.: 7) to cause the int ...