JPS52138902A - Reading control of optical information reading device - Google Patents

Reading control of optical information reading device

Info

Publication number
JPS52138902A
JPS52138902A JP5528976A JP5528976A JPS52138902A JP S52138902 A JPS52138902 A JP S52138902A JP 5528976 A JP5528976 A JP 5528976A JP 5528976 A JP5528976 A JP 5528976A JP S52138902 A JPS52138902 A JP S52138902A
Authority
JP
Japan
Prior art keywords
optical information
reading
control
reading device
reading control
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
JP5528976A
Other languages
Japanese (ja)
Inventor
Toshitaka Suwaki
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP5528976A priority Critical patent/JPS52138902A/en
Publication of JPS52138902A publication Critical patent/JPS52138902A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To make reading control with a simple constitution, omitting an optical system for tracking, by taking tracking error signals out of information signal component.
JP5528976A 1976-05-17 1976-05-17 Reading control of optical information reading device Pending JPS52138902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5528976A JPS52138902A (en) 1976-05-17 1976-05-17 Reading control of optical information reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5528976A JPS52138902A (en) 1976-05-17 1976-05-17 Reading control of optical information reading device

Publications (1)

Publication Number Publication Date
JPS52138902A true JPS52138902A (en) 1977-11-19

Family

ID=12994412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5528976A Pending JPS52138902A (en) 1976-05-17 1976-05-17 Reading control of optical information reading device

Country Status (1)

Country Link
JP (1) JPS52138902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04364235A (en) * 1991-11-01 1992-12-16 Hitachi Ltd Optical information recording and reproducing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04364235A (en) * 1991-11-01 1992-12-16 Hitachi Ltd Optical information recording and reproducing method

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