JPS525543A - Optical scanning device - Google Patents

Optical scanning device

Info

Publication number
JPS525543A
JPS525543A JP50082113A JP8211375A JPS525543A JP S525543 A JPS525543 A JP S525543A JP 50082113 A JP50082113 A JP 50082113A JP 8211375 A JP8211375 A JP 8211375A JP S525543 A JPS525543 A JP S525543A
Authority
JP
Japan
Prior art keywords
scanning device
optical scanning
manuscript
recording surface
character reading
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
JP50082113A
Other languages
Japanese (ja)
Inventor
Sadasuke Kurabayashi
Ryo Muto
Isao Yamaguchi
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 JP50082113A priority Critical patent/JPS525543A/en
Publication of JPS525543A publication Critical patent/JPS525543A/en
Pending legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Image Input (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

PURPOSE: To provide character reading which does not have much noise to the manuscript which contains characters which have a low ration of S/N to the recording surface.
COPYRIGHT: (C)1977,JPO&Japio
JP50082113A 1975-07-02 1975-07-02 Optical scanning device Pending JPS525543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50082113A JPS525543A (en) 1975-07-02 1975-07-02 Optical scanning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50082113A JPS525543A (en) 1975-07-02 1975-07-02 Optical scanning device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP57115841A Division JPS5850860A (en) 1982-07-02 1982-07-02 Image area specification device
JP13560383A Division JPS5932257A (en) 1983-07-25 1983-07-25 Image reading device

Publications (1)

Publication Number Publication Date
JPS525543A true JPS525543A (en) 1977-01-17

Family

ID=13765338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50082113A Pending JPS525543A (en) 1975-07-02 1975-07-02 Optical scanning device

Country Status (1)

Country Link
JP (1) JPS525543A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639676A (en) * 1979-09-06 1981-04-15 Minolta Camera Co Ltd Optical picture reader
JPS5725771A (en) * 1980-07-23 1982-02-10 Canon Inc Picture signal processor
JPS57147373A (en) * 1981-03-06 1982-09-11 Canon Inc Digital picture reproducer
JPS57162085A (en) * 1981-03-31 1982-10-05 Fujitsu Ltd Binary coding system of signal
JPS5814270A (en) * 1981-07-17 1983-01-27 Fuji Photo Film Co Ltd Picture scanning and recording method
JPS58130674A (en) * 1982-01-29 1983-08-04 Fuji Electric Co Ltd Binary coding device
JPS58180933A (en) * 1982-04-16 1983-10-22 Hitachi Ltd Pattern defect inspection equipment
JPS59117861A (en) * 1982-12-24 1984-07-07 Fuji Electric Co Ltd Binary-coding device of video signal

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639676A (en) * 1979-09-06 1981-04-15 Minolta Camera Co Ltd Optical picture reader
JPS5725771A (en) * 1980-07-23 1982-02-10 Canon Inc Picture signal processor
JPS57147373A (en) * 1981-03-06 1982-09-11 Canon Inc Digital picture reproducer
JPS57162085A (en) * 1981-03-31 1982-10-05 Fujitsu Ltd Binary coding system of signal
JPS5814270A (en) * 1981-07-17 1983-01-27 Fuji Photo Film Co Ltd Picture scanning and recording method
JPS58130674A (en) * 1982-01-29 1983-08-04 Fuji Electric Co Ltd Binary coding device
JPS58180933A (en) * 1982-04-16 1983-10-22 Hitachi Ltd Pattern defect inspection equipment
JPS59117861A (en) * 1982-12-24 1984-07-07 Fuji Electric Co Ltd Binary-coding device of video signal

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