JPS56147276A - Manual subscanning type reader - Google Patents

Manual subscanning type reader

Info

Publication number
JPS56147276A
JPS56147276A JP5010280A JP5010280A JPS56147276A JP S56147276 A JPS56147276 A JP S56147276A JP 5010280 A JP5010280 A JP 5010280A JP 5010280 A JP5010280 A JP 5010280A JP S56147276 A JPS56147276 A JP S56147276A
Authority
JP
Japan
Prior art keywords
light quantity
output signal
peak hold
light source
hold circuit
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
JP5010280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6364936B2 (enrdf_load_stackoverflow
Inventor
Yojiro Sato
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 JP5010280A priority Critical patent/JPS56147276A/ja
Publication of JPS56147276A publication Critical patent/JPS56147276A/ja
Publication of JPS6364936B2 publication Critical patent/JPS6364936B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Character Input (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP5010280A 1980-04-15 1980-04-15 Manual subscanning type reader Granted JPS56147276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5010280A JPS56147276A (en) 1980-04-15 1980-04-15 Manual subscanning type reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5010280A JPS56147276A (en) 1980-04-15 1980-04-15 Manual subscanning type reader

Publications (2)

Publication Number Publication Date
JPS56147276A true JPS56147276A (en) 1981-11-16
JPS6364936B2 JPS6364936B2 (enrdf_load_stackoverflow) 1988-12-14

Family

ID=12849707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5010280A Granted JPS56147276A (en) 1980-04-15 1980-04-15 Manual subscanning type reader

Country Status (1)

Country Link
JP (1) JPS56147276A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6477272A (en) * 1987-09-18 1989-03-23 Alps Electric Co Ltd Binarizing processing circuit
JPH0316365A (ja) * 1990-06-01 1991-01-24 Canon Inc 画像読取装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105314A (en) * 1977-02-25 1978-09-13 Oki Electric Ind Co Ltd Sensing unit for optical information
JPS54155709A (en) * 1978-05-30 1979-12-08 Tohoku Richo Kk Corrector for quantity of light for photoelectric conversion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105314A (en) * 1977-02-25 1978-09-13 Oki Electric Ind Co Ltd Sensing unit for optical information
JPS54155709A (en) * 1978-05-30 1979-12-08 Tohoku Richo Kk Corrector for quantity of light for photoelectric conversion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6477272A (en) * 1987-09-18 1989-03-23 Alps Electric Co Ltd Binarizing processing circuit
JPH0316365A (ja) * 1990-06-01 1991-01-24 Canon Inc 画像読取装置

Also Published As

Publication number Publication date
JPS6364936B2 (enrdf_load_stackoverflow) 1988-12-14

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