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특허 상세정보

Real-time color comparator

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01J-003/50   
미국특허분류(USC) 250/226 ; 250/227 ; 356/328
출원번호 US-0118587 (1987-11-09)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 33  인용 특허 : 14
초록

A real-time color comparator which performs color comparisons of sample objects to a reference color for the purpose of identification, sorting or matching. Two optical paths are positioned to collect the light from a reference object and a sample object and the light outputs from the two paths are directed onto a spherical dispersive element shown in the form of a concave diffraction grating that decomposes each light signal into its spectral constituents which are imaged on a dual photodetector array. The color signature from the reference and the colo...

대표
청구항

Input mechanism to a color comparator apparatus comprising: first optical path means having an input end and an output end, said input end being adapted to collect and transmit the color of a reference object to said output end; second optical path means having an input end and an output end, said input end being adapted to collect and transmit the color of a sample object to said output end; spectral dispersive element means in the form of a single concave diffraction grating, said grating including a reference area and a sample area which are spatially...

이 특허에 인용된 특허 (14)

  1. Raccah Paul M. (Chicago IL). Apparatus for determining the color characteristics of a gem. USP1981094291975.
  2. Joseph James D. (Oakdale MN) Wilwerding Dennis J. (Littleton CO). Apparatus for range finding equipment. USP1981024250376.
  3. Drews Udo W. (Glen Ellyn IL) Shifrin Norman (West Chicago IL). Beam combining apparatus. USP1979014135820.
  4. Stauffer Norman L. (Englewood CO). Corrector lens. USP1980104230941.
  5. Fink David (Los Angeles CA). Frequency agile spectrometer. USP1988014718764.
  6. Stauffer Norman L. (Englewood CO). Light aperture for a lenslet-photodetector array. USP1984014425501.
  7. Stauffer Norman L. (Englewood CO) Wilwerding Dennis J. (Littleton CO). Low frequency enhancement range finding equipment. USP1981034254330.
  8. Langlais Richard A. (Littleton CO) Ogawa Francis T. (Lakewood CO) Wilwerding Dennis J. (Littleton CO). Method and apparatus for determining focus direction and amount. USP1982064333007.
  9. Stauffer Norman L. (Englewood CO) Wilwerding Dennis J. (Littleton CO). Method and apparatus for determining focus position. USP1981024249073.
  10. Maeda Yoshio (Katsuta JPX) Matsumoto Koichi (Katsuta JPX) Fukuda Kenji (Mito JPX) Shindo Isao (Katsuta JPX). Method and apparatus for optically analyzing specimen by using two light beams. USP1979124176957.
  11. Primbsch Erik (Cologne DEX). Method and apparatus for sensing ultrasonic energy. USP1981064275963.
  12. Stauffer Norman L. (Englewood CO). Range determination system. USP1980014185191.
  13. Gerlinger Hermann (Aalen-Ebnat DEX) Hohberg Gerhard (Oberkochen DEX). Reflectance measuring apparatus for making contactless measurements. USP1988074756619.
  14. Kishner ; Stanley J.. Spectrophotometer with parallel sensing. USP1978024076421.

이 특허를 인용한 특허 피인용횟수: 33

  1. Moon,John; Putnam,Martin A.. Chemical synthesis using diffraction grating-based encoded optical elements. USP2007037190522.
  2. Moon, John A.; Putnam, Martin A.; Kersey, Alan D.; Fournier, David; Pinto, Joseph. Composition including an item and an encoded optical substrate and a method for identifying an item. USP2013078498052.
  3. Moon,John A.; Putnam,Martin A.. Diffraction grating-based encoded micro-particles for multiplexed experiments. USP2008037349158.
  4. Moon,John A.; Putnam,Martin A.. Diffraction grating-based encoded particle. USP2006097106513.
  5. Barshad Yoav,NLX ; Barshad Yael,NLX. Double beam spectrometer. USP2001036204919.
  6. Kersey, Alan D.; Moon, John A.; Putnam, Martin A.. Elongated microparticles having an optically detectable code configured to at least one of reflect or filter light. USP2013128614852.
  7. Kersey, Alan D.; Moon, John A.; Putnam, Martin A.. Encoded microparticles and a method for fabricating. USP2010097796333.
  8. Moon, John A.; Putnam, Martin A.. Encoded particle having a grating with variations in the refractive index. USP2011017872804.
  9. Kersey, Alan; Moon, John A.; Putnam, Martin A.. Holographically encoded elements for microarray and other tagging labeling applications, and method and apparatus for making and reading the same. USP2009107604173.
  10. Moon, John A.; Kersey, Alan D.; Putnam, Martin A.; Li, Tuo. Hybrid random bead/chip based microarray. USP2010027659983.
  11. Moon,John; Kersey,Alan D.; Putnam,Martin A.; Li,Tuo. Hybrid random bead/chip based microarray. USP2007017164533.
  12. Rsnen Jaakko (Espoo FIX). IR-spectrometric analyzing procedure and means. USP1991055017785.
  13. Ross, Gary A.; Storey, Brian E.. Imaging system. USP2004066757419.
  14. Kersey,Alan D.; Moon,John A.; Putnam,Martin A.. Lithographically fabricated holographic optical identification element. USP2009037508608.
  15. Moon,John; Putnam,Martin A.; Li,Tuo; Traynor,Joseph. Method and apparatus for aligning microbeads in order to interrogate the same. USP2008077399643.
  16. Moon, John A.; Putnam, Martin A.; Kersey, Alan; Fournier, David; Pinto, Joseph. Method and apparatus for drug product tracking using encoded optical identification elements. USP2009117619819.
  17. Moon,John A.; Putnam,Martin A.; Kersey,Alan D.; Li,Tuo; Dunphy,James; Didden,F. Kevin. Method and apparatus for labeling using diffraction grating-based encoded optical identification elements. USP2006107126755.
  18. Moon, John A.; Putnam, Martin A.; Kersey, Alan D.; Szczepanek, Paul. Method and apparatus for labeling using optical identification elements characterized by X-ray diffraction. USP2009117623624.
  19. Putnam,Martin A.; Moon,John; Szczepanek,Paul S.; Li,Tuo; Rauseo,Anthony; Traynor,Joseph. Method of manufacturing of a diffraction grating-based optical identification element. USP2008057375890.
  20. Putnam,Martin A.; Moon,John; Szczepanek,Paul S.; Li,Tuo; Rauseo,Anthony; Traynor,Joseph. Method of manufacturing of diffraction grating-based optical identification element. USP2006087092160.
  21. Moon, John A.; Kersey, Alan D.; Putnam, Martin A.; Li, Tuo. Methods of identifying an analyte and nucleic acid analysis. USP2010117843567.
  22. Moon, John A.; Kersey, Alan D.; Putnam, Martin A.; Li, Tuo. Methods of identifying analytes and using encoded particles. USP2011118049893.
  23. Darel Yair,ILX ; Nagler Miriam,ILX ; Weisman Hanan,ILX. On press color control system. USP2000026024018.
  24. Putnam, Martin A.; Moon, John A.. Optical identification element having a non-waveguide substrate. USP2010097791802.
  25. Putnam,Martin A.; Moon,John A.. Optical identification element having non-waveguide photosensitive substrate with diffraction grating therein. USP2008107433123.
  26. Moon,John A.; Fournier,David R.; Putnam,Martin A.; Kersey,Alan D.; Li,Tuo. Optical reader for diffraction grating-based encoded optical identification elements. USP2008107441703.
  27. Putnam, Martin A.; Lemoine, Richard L.. Optical reader for reading encoded microparticles. USP2013068470605.
  28. Moon, John A.; Fournier, David R.; Putnam, Martin A.; Kersey, Alan D; Li, Tuo. Optical reader system for substrates having an optically readable code. USP2012128333325.
  29. Moon, John A.; Fournier, David R.. Optical scanner with improved scan time. USP2010117830575.
  30. Moon, John A.; Putnam, Martin A.. Optical system and method for reading encoded microbeads. USP2016029268983.
  31. Moon, John A.; Putnam, Martin A.. Optical system and method for reading encoded microbeads. USP2013108565475.
  32. Kersey, Alan; Moon, John A.. Scanner having spatial light modulator. USP2009107602952.
  33. Ralph, Stephen E.; Patel, Ketan. Segmented photodetectors for detection and compensation of modal dispersion in optical waveguides. USP2005036870152.