JPS5748867A - Solidstate scanner - Google Patents

Solidstate scanner

Info

Publication number
JPS5748867A
JPS5748867A JP55124187A JP12418780A JPS5748867A JP S5748867 A JPS5748867 A JP S5748867A JP 55124187 A JP55124187 A JP 55124187A JP 12418780 A JP12418780 A JP 12418780A JP S5748867 A JPS5748867 A JP S5748867A
Authority
JP
Japan
Prior art keywords
video signal
write
video
clock signal
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
JP55124187A
Other languages
Japanese (ja)
Inventor
Yoshiaki Kamimoto
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP55124187A priority Critical patent/JPS5748867A/en
Publication of JPS5748867A publication Critical patent/JPS5748867A/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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional [2D] array
    • H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To speed up the picture read-in, by storing a video signal to a memory temporarily after A/D conversion and sequentially calling out the video signal from the memory in a frequency more than a multiple of division number of one line in a video element unit. CONSTITUTION:CCD element 1, 2 read in through two divisions of each one line of an original picture are driven at a drive circuit 3 at the same time, and a video signal in video element unit is given to memory blocks MB1, MB2 via converters 6, 7 from the elements 1, 2. The output of each CCD element is written in parallel according to a write-in clock signal at the block MB1 in write-in mode. In the block MB2 at readout mode, the video signal for lines written in before is serially read out according to the readout clock signal RCLK having higher frequencies more than a multiple of segment number from a write-in clock signal WCLK.
JP55124187A 1980-09-08 1980-09-08 Solidstate scanner Pending JPS5748867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55124187A JPS5748867A (en) 1980-09-08 1980-09-08 Solidstate scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55124187A JPS5748867A (en) 1980-09-08 1980-09-08 Solidstate scanner

Publications (1)

Publication Number Publication Date
JPS5748867A true JPS5748867A (en) 1982-03-20

Family

ID=14879131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55124187A Pending JPS5748867A (en) 1980-09-08 1980-09-08 Solidstate scanner

Country Status (1)

Country Link
JP (1) JPS5748867A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62265855A (en) * 1986-05-13 1987-11-18 Fuji Xerox Co Ltd Image scanner controller
JPS63190467A (en) * 1986-09-26 1988-08-08 Ricoh Co Ltd Image reading device
JPS63290065A (en) * 1987-05-22 1988-11-28 Oki Electric Ind Co Ltd Contact type image scanner
JPS63290063A (en) * 1987-05-22 1988-11-28 Oki Electric Ind Co Ltd Contact type image scanner
JPS63302665A (en) * 1987-06-02 1988-12-09 Fuji Xerox Co Ltd Picture reader

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128213A (en) * 1977-04-15 1978-11-09 Toshiba Corp Solid state scanning system for fascimile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128213A (en) * 1977-04-15 1978-11-09 Toshiba Corp Solid state scanning system for fascimile

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62265855A (en) * 1986-05-13 1987-11-18 Fuji Xerox Co Ltd Image scanner controller
JPS63190467A (en) * 1986-09-26 1988-08-08 Ricoh Co Ltd Image reading device
JPS63290065A (en) * 1987-05-22 1988-11-28 Oki Electric Ind Co Ltd Contact type image scanner
JPS63290063A (en) * 1987-05-22 1988-11-28 Oki Electric Ind Co Ltd Contact type image scanner
JPS63302665A (en) * 1987-06-02 1988-12-09 Fuji Xerox Co Ltd Picture reader

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