JPS53105314A - Sensing unit for optical information - Google Patents

Sensing unit for optical information

Info

Publication number
JPS53105314A
JPS53105314A JP1932777A JP1932777A JPS53105314A JP S53105314 A JPS53105314 A JP S53105314A JP 1932777 A JP1932777 A JP 1932777A JP 1932777 A JP1932777 A JP 1932777A JP S53105314 A JPS53105314 A JP S53105314A
Authority
JP
Japan
Prior art keywords
optical information
sensing unit
light source
light
paper
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.)
Granted
Application number
JP1932777A
Other languages
Japanese (ja)
Other versions
JPS5811787B2 (en
Inventor
Kenzo Tsuji
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP52019327A priority Critical patent/JPS5811787B2/en
Publication of JPS53105314A publication Critical patent/JPS53105314A/en
Publication of JPS5811787B2 publication Critical patent/JPS5811787B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE: To prevent the temperature rise due to the radiated heat of light source and to enable sure detection for the difference due to the reflection rate of paper and the scanning condition, by controlling the amount of light of light source depending on the white level at optical information read-in.
COPYRIGHT: (C)1978,JPO&Japio
JP52019327A 1977-02-25 1977-02-25 optical information sensing device Expired JPS5811787B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52019327A JPS5811787B2 (en) 1977-02-25 1977-02-25 optical information sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52019327A JPS5811787B2 (en) 1977-02-25 1977-02-25 optical information sensing device

Publications (2)

Publication Number Publication Date
JPS53105314A true JPS53105314A (en) 1978-09-13
JPS5811787B2 JPS5811787B2 (en) 1983-03-04

Family

ID=11996300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52019327A Expired JPS5811787B2 (en) 1977-02-25 1977-02-25 optical information sensing device

Country Status (1)

Country Link
JP (1) JPS5811787B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147276A (en) * 1980-04-15 1981-11-16 Ricoh Co Ltd Manual subscanning type reader
JPH0316365A (en) * 1990-06-01 1991-01-24 Canon Inc Picture reader

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147276A (en) * 1980-04-15 1981-11-16 Ricoh Co Ltd Manual subscanning type reader
JPH0316365A (en) * 1990-06-01 1991-01-24 Canon Inc Picture reader
JPH0530102B2 (en) * 1990-06-01 1993-05-07 Canon Kk

Also Published As

Publication number Publication date
JPS5811787B2 (en) 1983-03-04

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