JPS5593541A - Polarization mirror driving unit in optical information reader - Google Patents

Polarization mirror driving unit in optical information reader

Info

Publication number
JPS5593541A
JPS5593541A JP206779A JP206779A JPS5593541A JP S5593541 A JPS5593541 A JP S5593541A JP 206779 A JP206779 A JP 206779A JP 206779 A JP206779 A JP 206779A JP S5593541 A JPS5593541 A JP S5593541A
Authority
JP
Japan
Prior art keywords
signal
superposed
mirror
elements
control 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
JP206779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6143770B2 (enrdf_load_stackoverflow
Inventor
Katsuharu Sato
Takashi Okano
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 JP206779A priority Critical patent/JPS5593541A/ja
Publication of JPS5593541A publication Critical patent/JPS5593541A/ja
Publication of JPS6143770B2 publication Critical patent/JPS6143770B2/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

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP206779A 1979-01-10 1979-01-10 Polarization mirror driving unit in optical information reader Granted JPS5593541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP206779A JPS5593541A (en) 1979-01-10 1979-01-10 Polarization mirror driving unit in optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP206779A JPS5593541A (en) 1979-01-10 1979-01-10 Polarization mirror driving unit in optical information reader

Publications (2)

Publication Number Publication Date
JPS5593541A true JPS5593541A (en) 1980-07-16
JPS6143770B2 JPS6143770B2 (enrdf_load_stackoverflow) 1986-09-30

Family

ID=11518991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP206779A Granted JPS5593541A (en) 1979-01-10 1979-01-10 Polarization mirror driving unit in optical information reader

Country Status (1)

Country Link
JP (1) JPS5593541A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179954A (en) * 1981-04-27 1982-11-05 Sony Corp Optical type disc player
JPS58100238A (ja) * 1981-12-10 1983-06-14 Foster Denki Kk 光学式情報読取装置
JPS5990236A (ja) * 1982-11-15 1984-05-24 Matsushita Electric Ind Co Ltd 光学式情報読み取り装置
JPS62139143A (ja) * 1985-12-12 1987-06-22 Ricoh Co Ltd 光ピツクアツプ用アクチユエ−タ
JPS62501998A (ja) * 1985-03-09 1987-08-06 ドイチエ　トムソン−ブラント　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 光学的な記録担体に対してビ−ムを集束する方法および回路装置
JPH01173442A (ja) * 1987-12-28 1989-07-10 Ricoh Co Ltd マルチビーム光ピックアップにおけるトラッキング方法
JPH0337835A (ja) * 1989-07-05 1991-02-19 Mitsubishi Electric Corp 光記録再生装置
JPH04219634A (ja) * 1991-04-12 1992-08-10 Hitachi Ltd 光学的トラック追跡装置
CN104613956A (zh) * 2015-01-28 2015-05-13 南昌大学 基于大气偏振中性点的导航定向方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179954A (en) * 1981-04-27 1982-11-05 Sony Corp Optical type disc player
JPS58100238A (ja) * 1981-12-10 1983-06-14 Foster Denki Kk 光学式情報読取装置
JPS5990236A (ja) * 1982-11-15 1984-05-24 Matsushita Electric Ind Co Ltd 光学式情報読み取り装置
JPS62501998A (ja) * 1985-03-09 1987-08-06 ドイチエ　トムソン−ブラント　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 光学的な記録担体に対してビ−ムを集束する方法および回路装置
JPS62139143A (ja) * 1985-12-12 1987-06-22 Ricoh Co Ltd 光ピツクアツプ用アクチユエ−タ
JPH01173442A (ja) * 1987-12-28 1989-07-10 Ricoh Co Ltd マルチビーム光ピックアップにおけるトラッキング方法
JPH0337835A (ja) * 1989-07-05 1991-02-19 Mitsubishi Electric Corp 光記録再生装置
JPH04219634A (ja) * 1991-04-12 1992-08-10 Hitachi Ltd 光学的トラック追跡装置
CN104613956A (zh) * 2015-01-28 2015-05-13 南昌大学 基于大气偏振中性点的导航定向方法

Also Published As

Publication number Publication date
JPS6143770B2 (enrdf_load_stackoverflow) 1986-09-30

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