JPS5779760A - Manual subscanning type reader - Google Patents

Manual subscanning type reader

Info

Publication number
JPS5779760A
JPS5779760A JP55155306A JP15530680A JPS5779760A JP S5779760 A JPS5779760 A JP S5779760A JP 55155306 A JP55155306 A JP 55155306A JP 15530680 A JP15530680 A JP 15530680A JP S5779760 A JPS5779760 A JP S5779760A
Authority
JP
Japan
Prior art keywords
bottom plate
switch
subscanning
manual
reader
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
JP55155306A
Other languages
Japanese (ja)
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 JP55155306A priority Critical patent/JPS5779760A/en
Publication of JPS5779760A publication Critical patent/JPS5779760A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To ensure the operation, by providing a switch in which the on/off operation shows a hysteresis characteristic so as to behave a specific operating state corresponding to the range of depth to be used for photographing specified in an optical system. CONSTITUTION:A read switch 17 shows a hysteresis characteristic in which the on/off operation relates to the distance between the surface of a bottom plate 2 of a device 1 and original plane. The distance between the surface of the bottom plate 2 of the device 1 of the reader and the original plane when the read switch 17 is changed from ON to OFF is taken as a specified objective depth of an optical system L of the reader, and the display for improper read state is made by turning off the reed switch 17 when the surface of the bottom plate 2 of the device 1 floates more than the permissible range.
JP55155306A 1980-11-05 1980-11-05 Manual subscanning type reader Pending JPS5779760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55155306A JPS5779760A (en) 1980-11-05 1980-11-05 Manual subscanning type reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55155306A JPS5779760A (en) 1980-11-05 1980-11-05 Manual subscanning type reader

Publications (1)

Publication Number Publication Date
JPS5779760A true JPS5779760A (en) 1982-05-19

Family

ID=15603013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55155306A Pending JPS5779760A (en) 1980-11-05 1980-11-05 Manual subscanning type reader

Country Status (1)

Country Link
JP (1) JPS5779760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121226A (en) * 1987-09-11 1992-06-09 Nippon Seimitsu Kogyo Kabushiki Kaisha Portable image scanner
US5335090A (en) * 1989-09-11 1994-08-02 Minolta Camera Kabushiki Kaisha Image reading apparatus having detachable optical system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121226A (en) * 1987-09-11 1992-06-09 Nippon Seimitsu Kogyo Kabushiki Kaisha Portable image scanner
US5335090A (en) * 1989-09-11 1994-08-02 Minolta Camera Kabushiki Kaisha Image reading apparatus having detachable optical system

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