JPS57104364A - Picture reader - Google Patents

Picture reader

Info

Publication number
JPS57104364A
JPS57104364A JP55181001A JP18100180A JPS57104364A JP S57104364 A JPS57104364 A JP S57104364A JP 55181001 A JP55181001 A JP 55181001A JP 18100180 A JP18100180 A JP 18100180A JP S57104364 A JPS57104364 A JP S57104364A
Authority
JP
Japan
Prior art keywords
block
input terminal
ran
resistor
resistors
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
JP55181001A
Other languages
English (en)
Inventor
Akitsugu Yamada
Kazuo Nojiri
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.)
MATSUSHITA DENSOU KIKI KK
Panasonic System Solutions Japan Co Ltd
Original Assignee
MATSUSHITA DENSOU KIKI KK
Matsushita Graphic Communication Systems 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 MATSUSHITA DENSOU KIKI KK, Matsushita Graphic Communication Systems Inc filed Critical MATSUSHITA DENSOU KIKI KK
Priority to JP55181001A priority Critical patent/JPS57104364A/ja
Publication of JPS57104364A publication Critical patent/JPS57104364A/ja
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
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP55181001A 1980-12-19 1980-12-19 Picture reader Pending JPS57104364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55181001A JPS57104364A (en) 1980-12-19 1980-12-19 Picture reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55181001A JPS57104364A (en) 1980-12-19 1980-12-19 Picture reader

Publications (1)

Publication Number Publication Date
JPS57104364A true JPS57104364A (en) 1982-06-29

Family

ID=16092991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55181001A Pending JPS57104364A (en) 1980-12-19 1980-12-19 Picture reader

Country Status (1)

Country Link
JP (1) JPS57104364A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594379A (ja) * 1982-06-30 1984-01-11 Fujitsu Ltd シエ−ジング補正装置
JPS60123159A (ja) * 1983-12-06 1985-07-01 Dainippon Screen Mfg Co Ltd 画像走査装置におけるシエ−デイング補正方法
US4853793A (en) * 1986-11-14 1989-08-01 Oki Electric Industry Co., Ltd. Circuit for converting a video signal produced by a line image sensor into a binary signal on the basis of reference levels determined for sections of the line image sensor using respective counters

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594379A (ja) * 1982-06-30 1984-01-11 Fujitsu Ltd シエ−ジング補正装置
JPS60123159A (ja) * 1983-12-06 1985-07-01 Dainippon Screen Mfg Co Ltd 画像走査装置におけるシエ−デイング補正方法
US4853793A (en) * 1986-11-14 1989-08-01 Oki Electric Industry Co., Ltd. Circuit for converting a video signal produced by a line image sensor into a binary signal on the basis of reference levels determined for sections of the line image sensor using respective counters
US4884148A (en) * 1986-11-14 1989-11-28 Oki Electric Industry Co., Ltd. Circuit employing a plurality of counters and an interpolator for converting a video signal into a binary signal

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