JPS6249790B2 - - Google Patents

Info

Publication number
JPS6249790B2
JPS6249790B2 JP54006679A JP667979A JPS6249790B2 JP S6249790 B2 JPS6249790 B2 JP S6249790B2 JP 54006679 A JP54006679 A JP 54006679A JP 667979 A JP667979 A JP 667979A JP S6249790 B2 JPS6249790 B2 JP S6249790B2
Authority
JP
Japan
Prior art keywords
output
error signal
signal
control device
tracking
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.)
Expired
Application number
JP54006679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5599889A (en
Inventor
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA KK
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
Priority claimed from JP6679A external-priority patent/JPS54100357A/ja
Application filed by PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
Publication of JPS5599889A publication Critical patent/JPS5599889A/ja
Publication of JPS6249790B2 publication Critical patent/JPS6249790B2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors

Landscapes

  • Optical Head (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP667979A 1979-01-05 1979-01-23 Tracking control unit in information reader Granted JPS5599889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6679A JPS54100357A (en) 1978-01-05 1979-01-05 Substituted carbamate

Publications (2)

Publication Number Publication Date
JPS5599889A JPS5599889A (en) 1980-07-30
JPS6249790B2 true JPS6249790B2 (en, 2012) 1987-10-21

Family

ID=11463806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP667979A Granted JPS5599889A (en) 1979-01-05 1979-01-23 Tracking control unit in information reader

Country Status (1)

Country Link
JP (1) JPS5599889A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58200472A (ja) * 1982-05-19 1983-11-22 Hitachi Ltd 記録情報再生装置のトラツキング制御装置
JPS58224445A (ja) * 1982-06-24 1983-12-26 Toshiba Corp ピツクアツプアクチユエ−タ共振の電気的ダンピング方法
JPS59116970A (ja) * 1982-12-23 1984-07-06 Olympus Optical Co Ltd 光学式記録再生装置のトラックジャンプ制御装置
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
JPS6151673A (ja) * 1984-08-21 1986-03-14 Pioneer Electronic Corp 時間軸制御方式
JPS62117764U (en, 2012) * 1986-01-16 1987-07-27
CN107809171B (zh) * 2016-09-09 2019-12-31 苏州力生美半导体有限公司 开关电源及其功率开关管的驱动方法与驱动电路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7509906A (nl) * 1975-08-21 1977-02-23 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.

Also Published As

Publication number Publication date
JPS5599889A (en) 1980-07-30

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