JPS57150270A - Picture reader of multicolor original - Google Patents

Picture reader of multicolor original

Info

Publication number
JPS57150270A
JPS57150270A JP56035610A JP3561081A JPS57150270A JP S57150270 A JPS57150270 A JP S57150270A JP 56035610 A JP56035610 A JP 56035610A JP 3561081 A JP3561081 A JP 3561081A JP S57150270 A JPS57150270 A JP S57150270A
Authority
JP
Japan
Prior art keywords
light
electric power
luminous body
different
color
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
JP56035610A
Other languages
Japanese (ja)
Inventor
Satoru Ogasawara
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.)
Fujifilm Business Innovation Corp
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 JP56035610A priority Critical patent/JPS57150270A/en
Publication of JPS57150270A publication Critical patent/JPS57150270A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/48—Picture signal generators
    • H04N1/482—Picture signal generators using the same detector device sequentially for different colour components
    • H04N1/484—Picture signal generators using the same detector device sequentially for different colour components with sequential colour illumination of the original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To decrease the number of light sources of a reader, by forming a luminous body by storing 2 light emitting elements which emit light in each different color, into 1 package, supplying in order a current whose quantity is different in each stage, to each light emitting element, and emitting light in prescribed different colors. CONSTITUTION:A multicolor original 3 placed on a platen 2 of a transparent original placing plate of a facsimile, etc. is projected by a luminous body 1, and its reflected optical image is ready by a picture reading element 4. On this luminous body 1, a red light emission diode 11 and a blue light emission diode 12, which emit a different color each other are provided, and the whole is stored in 1 package. To the respective diodes of this luminous body 1, electric power sources E1, E2 for supplying different currents are connected. In this state, when voltage of one electric power source E1 or E2 is set to ''0'', and the other electric power source E2 or E1 is set to prescribed voltage, blue or right is emitted from the diode 12 or 11, the element 4 reads information of its color, and when voltage is applied to the electric power sources E1, E2, both the diodes 11, 12 emit light, and information of a mixed color is read.
JP56035610A 1981-03-12 1981-03-12 Picture reader of multicolor original Pending JPS57150270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56035610A JPS57150270A (en) 1981-03-12 1981-03-12 Picture reader of multicolor original

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56035610A JPS57150270A (en) 1981-03-12 1981-03-12 Picture reader of multicolor original

Publications (1)

Publication Number Publication Date
JPS57150270A true JPS57150270A (en) 1982-09-17

Family

ID=12446603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56035610A Pending JPS57150270A (en) 1981-03-12 1981-03-12 Picture reader of multicolor original

Country Status (1)

Country Link
JP (1) JPS57150270A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0169383A2 (en) * 1984-06-22 1986-01-29 Sharp Kabushiki Kaisha Image reader
JPS61271876A (en) * 1985-05-28 1986-12-02 Fuji Electric Co Ltd Wavelength-generation controlling device using plurality of light sources
US4652913A (en) * 1983-04-11 1987-03-24 Fuji Xerox Co., Ltd. Method and apparatus for reading color images using a plurality of color light sources in which one of the light sources is turned on continuously
US4658289A (en) * 1984-01-12 1987-04-14 Sharp Kabushiki Kaisha Color-picture analyzing apparatus for continuously switching-on green lamp and for alternatively switching-on blue and red-purpose lamps
US4670779A (en) * 1984-01-10 1987-06-02 Sharp Kabushiki Kaisha Color-picture analyzing apparatus with red-purpose and green-purpose filters
US6111669A (en) * 1997-04-15 2000-08-29 Nordstroem; Ragnar Method and apparatus for reading a colored document
JP2020030233A (en) * 2018-08-20 2020-02-27 コニカミノルタ株式会社 Recording material characteristic detection device and image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315269U (en) * 1976-07-19 1978-02-08
JPS55125765A (en) * 1979-03-20 1980-09-27 Ricoh Co Ltd Read-in unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315269U (en) * 1976-07-19 1978-02-08
JPS55125765A (en) * 1979-03-20 1980-09-27 Ricoh Co Ltd Read-in unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652913A (en) * 1983-04-11 1987-03-24 Fuji Xerox Co., Ltd. Method and apparatus for reading color images using a plurality of color light sources in which one of the light sources is turned on continuously
US4670779A (en) * 1984-01-10 1987-06-02 Sharp Kabushiki Kaisha Color-picture analyzing apparatus with red-purpose and green-purpose filters
US4658289A (en) * 1984-01-12 1987-04-14 Sharp Kabushiki Kaisha Color-picture analyzing apparatus for continuously switching-on green lamp and for alternatively switching-on blue and red-purpose lamps
EP0169383A2 (en) * 1984-06-22 1986-01-29 Sharp Kabushiki Kaisha Image reader
JPS61271876A (en) * 1985-05-28 1986-12-02 Fuji Electric Co Ltd Wavelength-generation controlling device using plurality of light sources
US6111669A (en) * 1997-04-15 2000-08-29 Nordstroem; Ragnar Method and apparatus for reading a colored document
JP2020030233A (en) * 2018-08-20 2020-02-27 コニカミノルタ株式会社 Recording material characteristic detection device and image forming apparatus

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