JPS5542304A - Tracking mirror protector of optical information reader - Google Patents

Tracking mirror protector of optical information reader

Info

Publication number
JPS5542304A
JPS5542304A JP11331578A JP11331578A JPS5542304A JP S5542304 A JPS5542304 A JP S5542304A JP 11331578 A JP11331578 A JP 11331578A JP 11331578 A JP11331578 A JP 11331578A JP S5542304 A JPS5542304 A JP S5542304A
Authority
JP
Japan
Prior art keywords
output
tracking
tracking mirror
direct
signal
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
JP11331578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6333207B2 (enrdf_load_stackoverflow
Inventor
Toru Akiyama
Hiroaki Tsuboi
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.)
Pioneer Video Corp
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer Corp
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 Pioneer Video Corp, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP11331578A priority Critical patent/JPS5542304A/ja
Publication of JPS5542304A publication Critical patent/JPS5542304A/ja
Publication of JPS6333207B2 publication Critical patent/JPS6333207B2/ja
Granted 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)
JP11331578A 1978-09-14 1978-09-14 Tracking mirror protector of optical information reader Granted JPS5542304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11331578A JPS5542304A (en) 1978-09-14 1978-09-14 Tracking mirror protector of optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11331578A JPS5542304A (en) 1978-09-14 1978-09-14 Tracking mirror protector of optical information reader

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP22117786A Division JPS62129945A (ja) 1986-09-19 1986-09-19 光学式情報読取装置におけるトラツキングサ−ボ装置

Publications (2)

Publication Number Publication Date
JPS5542304A true JPS5542304A (en) 1980-03-25
JPS6333207B2 JPS6333207B2 (enrdf_load_stackoverflow) 1988-07-04

Family

ID=14609105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11331578A Granted JPS5542304A (en) 1978-09-14 1978-09-14 Tracking mirror protector of optical information reader

Country Status (1)

Country Link
JP (1) JPS5542304A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735810A (en) * 1980-08-14 1982-02-26 Olympus Optical Co Ltd Measuring device for moving extent of lens
FR2497378A1 (fr) * 1980-12-29 1982-07-02 Thomson Csf Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information
JPS57176545A (en) * 1981-03-31 1982-10-29 Discovision Ass Method of matching tracking device and scanning reading beam
JPS5940328A (ja) * 1982-08-31 1984-03-06 Nec Home Electronics Ltd 光学ピツクアツプのトラツキング制御回路
US4580255A (en) * 1982-05-31 1986-04-01 Hitachi, Ltd. Servo circuit for a signal reproducing apparatus
US4587644A (en) * 1982-11-11 1986-05-06 Sony Corporation Tracking servocontrol circuits for reducing gain to avoid tracking defect in an optical reproducing apparatus
JPH01116926A (ja) * 1987-10-29 1989-05-09 Csk Corp 光メモリカードの書込装置
JPH076385A (ja) * 1993-12-10 1995-01-10 Hitachi Ltd 光学的情報処理方法および装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032715U (enrdf_load_stackoverflow) * 1989-05-29 1991-01-11

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735810A (en) * 1980-08-14 1982-02-26 Olympus Optical Co Ltd Measuring device for moving extent of lens
FR2497378A1 (fr) * 1980-12-29 1982-07-02 Thomson Csf Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information
JPS57176545A (en) * 1981-03-31 1982-10-29 Discovision Ass Method of matching tracking device and scanning reading beam
JPH06203398A (ja) * 1981-03-31 1994-07-22 Discovision Assoc トラッキング装置
US4580255A (en) * 1982-05-31 1986-04-01 Hitachi, Ltd. Servo circuit for a signal reproducing apparatus
JPS5940328A (ja) * 1982-08-31 1984-03-06 Nec Home Electronics Ltd 光学ピツクアツプのトラツキング制御回路
US4587644A (en) * 1982-11-11 1986-05-06 Sony Corporation Tracking servocontrol circuits for reducing gain to avoid tracking defect in an optical reproducing apparatus
JPH01116926A (ja) * 1987-10-29 1989-05-09 Csk Corp 光メモリカードの書込装置
JPH076385A (ja) * 1993-12-10 1995-01-10 Hitachi Ltd 光学的情報処理方法および装置

Also Published As

Publication number Publication date
JPS6333207B2 (enrdf_load_stackoverflow) 1988-07-04

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