JPS56135834A - Positioning device - Google Patents

Positioning device

Info

Publication number
JPS56135834A
JPS56135834A JP3815280A JP3815280A JPS56135834A JP S56135834 A JPS56135834 A JP S56135834A JP 3815280 A JP3815280 A JP 3815280A JP 3815280 A JP3815280 A JP 3815280A JP S56135834 A JPS56135834 A JP S56135834A
Authority
JP
Japan
Prior art keywords
carriage
reference position
mechanical
contact
motor
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
JP3815280A
Other languages
Japanese (ja)
Inventor
Hiroshi Yamada
Hitoshi Hoshi
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 JP3815280A priority Critical patent/JPS56135834A/en
Publication of JPS56135834A publication Critical patent/JPS56135834A/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
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0016—Selecting or retrieving of images by means of their associated code-marks, e.g. coded microfilm or microfiche

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE:To obtain a positioning member which does not cause deviation between a mechanical carriage position and an electrical control signal, is easy to control, and is prevented of malfunction owing to contact failure by providing an electric contact function to a mechanical contact for determining a reference position. CONSTITUTION:A carriage 2 is lifted and moved from a reference position to a desired position by a lifting member 8 which is driven by an electric motor 12. When this member 8 is lowered, the leading end part 15b of a sliding bar 15 for positioning descends together with the carriage 2 and abuts on the top surface 24a of a connecting bar 24 of a dustproof block, by which the reference position of the carriage is mechanically determined; at the same time, the leading end part 15b and the top surface 24a also provide an electrical contact function of the control circuit for the motor 12 and therefore to motor 12 stops and the carriage 2 is automatically positioned to the reference position. With this constitution, the positioning device which does not cause any deviation between the mechanical carriage position and the electrical control signal, is automatic, is easy to control and is prevented from malfunction owing to the contact failure by dustproof operation is provided.
JP3815280A 1980-03-27 1980-03-27 Positioning device Pending JPS56135834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3815280A JPS56135834A (en) 1980-03-27 1980-03-27 Positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3815280A JPS56135834A (en) 1980-03-27 1980-03-27 Positioning device

Publications (1)

Publication Number Publication Date
JPS56135834A true JPS56135834A (en) 1981-10-23

Family

ID=12517435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3815280A Pending JPS56135834A (en) 1980-03-27 1980-03-27 Positioning device

Country Status (1)

Country Link
JP (1) JPS56135834A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206415A (en) * 1988-02-15 1989-08-18 Asmo Co Ltd Correction device for aberration of step motor
WO1994025898A1 (en) * 1993-05-03 1994-11-10 Rollei Fototechnic Gmbh & Co. Kg Projector
CN103645742A (en) * 2013-11-28 2014-03-19 宝电电子(张家港)有限公司 A device and a method for calibrating the position of a lamp bar in a lamp tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206415A (en) * 1988-02-15 1989-08-18 Asmo Co Ltd Correction device for aberration of step motor
WO1994025898A1 (en) * 1993-05-03 1994-11-10 Rollei Fototechnic Gmbh & Co. Kg Projector
CN103645742A (en) * 2013-11-28 2014-03-19 宝电电子(张家港)有限公司 A device and a method for calibrating the position of a lamp bar in a lamp tube

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