JPS57197960A - Color picture read system - Google Patents

Color picture read system

Info

Publication number
JPS57197960A
JPS57197960A JP56083141A JP8314181A JPS57197960A JP S57197960 A JPS57197960 A JP S57197960A JP 56083141 A JP56083141 A JP 56083141A JP 8314181 A JP8314181 A JP 8314181A JP S57197960 A JPS57197960 A JP S57197960A
Authority
JP
Japan
Prior art keywords
color liquid
light
original
liquid crystals
read
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
JP56083141A
Inventor
Satoru Ogasawara
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP56083141A priority Critical patent/JPS57197960A/en
Publication of JPS57197960A publication Critical patent/JPS57197960A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/48Picture signal generators
    • H04N1/482Picture signal generators using the same detector device sequentially for different colour components

Abstract

PURPOSE:To realize a read system which performs multicolor reading at a high speed and at low cost, by arranging color liquid crystal, which varies in color characteristics by an applied electric signal, on the optical path between an original and a reading element. CONSTITUTION:When an original 13 is conveyed to the top surface of a platen 11, its reflected light is transmitted through and reflected by the 1st and 2nd color liquid crystals 14 and 15 and then form an image on an image sensor 17 through a lens 16. A light source 12 includes rays of light in wavelength ranges of respective colors to be read and when electric power supply from power sources 21 and 22 to the color liquid crystals 14 and 16 are turned on and off through the operation of switches 18 and 19, filter characteristics vary successively. As a result, the color liquid crystals 14 and 15 reflect only beams of light in desired wavelength ranges in the reflected light from the original 13, so that a color picture is read by the image sensor 17 on time-division basis.
JP56083141A 1981-05-30 1981-05-30 Color picture read system Pending JPS57197960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56083141A JPS57197960A (en) 1981-05-30 1981-05-30 Color picture read system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56083141A JPS57197960A (en) 1981-05-30 1981-05-30 Color picture read system

Publications (1)

Publication Number Publication Date
JPS57197960A true JPS57197960A (en) 1982-12-04

Family

ID=13793924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56083141A Pending JPS57197960A (en) 1981-05-30 1981-05-30 Color picture read system

Country Status (1)

Country Link
JP (1) JPS57197960A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60227563A (en) * 1984-04-25 1985-11-12 Fuji Xerox Co Ltd Picture reader of multi-color original
JPS6170321A (en) * 1984-09-12 1986-04-11 Jidosha Kiki Co Ltd Self temperature control type glow plug
JPS6333969A (en) * 1986-07-29 1988-02-13 Fuji Xerox Co Ltd Color picture reader

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013092A (en) * 1972-10-11 1975-02-10
JPS5091342A (en) * 1973-12-12 1975-07-22
JPS5481715A (en) * 1977-12-13 1979-06-29 Mitsubishi Electric Corp Original read-in unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013092A (en) * 1972-10-11 1975-02-10
JPS5091342A (en) * 1973-12-12 1975-07-22
JPS5481715A (en) * 1977-12-13 1979-06-29 Mitsubishi Electric Corp Original read-in unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60227563A (en) * 1984-04-25 1985-11-12 Fuji Xerox Co Ltd Picture reader of multi-color original
JPS6170321A (en) * 1984-09-12 1986-04-11 Jidosha Kiki Co Ltd Self temperature control type glow plug
JPH0339211B2 (en) * 1984-09-12 1991-06-13 Jidosha Kiki Co
JPS6333969A (en) * 1986-07-29 1988-02-13 Fuji Xerox Co Ltd Color picture reader

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