JPS5745516A - Color image detector - Google Patents

Color image detector

Info

Publication number
JPS5745516A
JPS5745516A JP55121542A JP12154280A JPS5745516A JP S5745516 A JPS5745516 A JP S5745516A JP 55121542 A JP55121542 A JP 55121542A JP 12154280 A JP12154280 A JP 12154280A JP S5745516 A JPS5745516 A JP S5745516A
Authority
JP
Japan
Prior art keywords
light
green
image detector
color
color image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP55121542A
Other languages
Japanese (ja)
Inventor
Tetsuo Kuwayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP55121542A priority Critical patent/JPS5745516A/en
Publication of JPS5745516A publication Critical patent/JPS5745516A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/502—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using a dispersive element, e.g. grating, prism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To obtain a color image detector which is of inexpensive and simple constitution and is strong to mechanical vibrations and the like by interposing a dispersion element to an imagery optical system between three pieces of photoelectric conversion parts mounted with 3 color filters and an original. CONSTITUTION:An input image 2 of an original or the like is lighted by light sources 1, 1' and the image light is dispersed by the dispersion element 8 in an imagery optical system 7. The element 8 is constituted by combining prisms consisting of two kinds of optical materials having an equal refractive index with respect to light of a green color and having mutually different dispersion values. The beams of light of blue, green and red emitting from the system 7 are made incident respectively via filters 91-93 of blue, green and red to photoelectric conversion parts 51-53. The output of a photodetector 11 inputs to a masking circuit 10. Thereby, the color image detector which is of inexpensive and simple constitution and is strong to mechanical vibrations and the like is obtained.
JP55121542A 1980-09-02 1980-09-02 Color image detector Pending JPS5745516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55121542A JPS5745516A (en) 1980-09-02 1980-09-02 Color image detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55121542A JPS5745516A (en) 1980-09-02 1980-09-02 Color image detector

Publications (1)

Publication Number Publication Date
JPS5745516A true JPS5745516A (en) 1982-03-15

Family

ID=14813818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55121542A Pending JPS5745516A (en) 1980-09-02 1980-09-02 Color image detector

Country Status (1)

Country Link
JP (1) JPS5745516A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197958A (en) * 1981-05-30 1982-12-04 Fuji Xerox Co Ltd Multicolor reader
JPS58225773A (en) * 1982-06-23 1983-12-27 Canon Inc Color image reading method and device
JPS5955674A (en) * 1982-09-24 1984-03-30 Canon Inc Color document reading device
JPS59143466A (en) * 1983-02-04 1984-08-17 Mitsubishi Electric Corp Photoelectric conversion device
JPS60135919A (en) * 1983-12-26 1985-07-19 Casio Comput Co Ltd color reader
JPS61161866A (en) * 1985-01-11 1986-07-22 Panafacom Ltd Solid-state image pickup element
JPS6226972U (en) * 1985-07-31 1987-02-18
JPS62235889A (en) * 1986-04-07 1987-10-16 Olympus Optical Co Ltd Image pickup device
JPH03171865A (en) * 1989-11-29 1991-07-25 Matsushita Electric Ind Co Ltd color image scanner
DE102022134187A1 (en) * 2022-12-20 2024-06-20 Manroland Goss Web Systems Gmbh Device and method for the simultaneous determination of colour densities

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197958A (en) * 1981-05-30 1982-12-04 Fuji Xerox Co Ltd Multicolor reader
JPS58225773A (en) * 1982-06-23 1983-12-27 Canon Inc Color image reading method and device
JPS5955674A (en) * 1982-09-24 1984-03-30 Canon Inc Color document reading device
JPS59143466A (en) * 1983-02-04 1984-08-17 Mitsubishi Electric Corp Photoelectric conversion device
JPS60135919A (en) * 1983-12-26 1985-07-19 Casio Comput Co Ltd color reader
JPS61161866A (en) * 1985-01-11 1986-07-22 Panafacom Ltd Solid-state image pickup element
JPS6226972U (en) * 1985-07-31 1987-02-18
JPS62235889A (en) * 1986-04-07 1987-10-16 Olympus Optical Co Ltd Image pickup device
JPH03171865A (en) * 1989-11-29 1991-07-25 Matsushita Electric Ind Co Ltd color image scanner
DE102022134187A1 (en) * 2022-12-20 2024-06-20 Manroland Goss Web Systems Gmbh Device and method for the simultaneous determination of colour densities

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