JPS60182519A - 光学ピックアップ装置 - Google Patents

光学ピックアップ装置

Info

Publication number
JPS60182519A
JPS60182519A JP3728484A JP3728484A JPS60182519A JP S60182519 A JPS60182519 A JP S60182519A JP 3728484 A JP3728484 A JP 3728484A JP 3728484 A JP3728484 A JP 3728484A JP S60182519 A JPS60182519 A JP S60182519A
Authority
JP
Japan
Prior art keywords
output
coil
actuator
tracking
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
JP3728484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0414419B2 (de
Inventor
Masato Ikeda
正人 池田
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.)
Sony Group Corp
Original Assignee
Aiwa 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 Aiwa Co Ltd filed Critical Aiwa Co Ltd
Priority to JP3728484A priority Critical patent/JPS60182519A/ja
Priority to DE8585901071T priority patent/DE3574929D1/de
Publication of JPS60182519A publication Critical patent/JPS60182519A/ja
Publication of JPH0414419B2 publication Critical patent/JPH0414419B2/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 To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP3728484A 1984-03-01 1984-03-01 光学ピックアップ装置 Granted JPS60182519A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3728484A JPS60182519A (ja) 1984-03-01 1984-03-01 光学ピックアップ装置
DE8585901071T DE3574929D1 (de) 1984-03-01 1985-02-22 Herstellung eines festen duftstoffes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3728484A JPS60182519A (ja) 1984-03-01 1984-03-01 光学ピックアップ装置

Publications (2)

Publication Number Publication Date
JPS60182519A true JPS60182519A (ja) 1985-09-18
JPH0414419B2 JPH0414419B2 (de) 1992-03-12

Family

ID=12493399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3728484A Granted JPS60182519A (ja) 1984-03-01 1984-03-01 光学ピックアップ装置

Country Status (2)

Country Link
JP (1) JPS60182519A (de)
DE (1) DE3574929D1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153138A (en) * 1979-05-14 1980-11-28 Mitsubishi Electric Corp Optical pickup unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153138A (en) * 1979-05-14 1980-11-28 Mitsubishi Electric Corp Optical pickup unit

Also Published As

Publication number Publication date
DE3574929D1 (de) 1990-02-01
JPH0414419B2 (de) 1992-03-12

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term