JPS55108942A - Optical recording and reproducing device - Google Patents

Optical recording and reproducing device

Info

Publication number
JPS55108942A
JPS55108942A JP1574079A JP1574079A JPS55108942A JP S55108942 A JPS55108942 A JP S55108942A JP 1574079 A JP1574079 A JP 1574079A JP 1574079 A JP1574079 A JP 1574079A JP S55108942 A JPS55108942 A JP S55108942A
Authority
JP
Japan
Prior art keywords
stand
light
transfer
laser light
optical
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
JP1574079A
Other languages
English (en)
Inventor
Yoshikazu Goto
Kaoru Imanishi
Sadao Mizuno
Yasuhisa Fukushima
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP1574079A priority Critical patent/JPS55108942A/ja
Publication of JPS55108942A publication Critical patent/JPS55108942A/ja
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
JP1574079A 1979-02-13 1979-02-13 Optical recording and reproducing device Pending JPS55108942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1574079A JPS55108942A (en) 1979-02-13 1979-02-13 Optical recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1574079A JPS55108942A (en) 1979-02-13 1979-02-13 Optical recording and reproducing device

Publications (1)

Publication Number Publication Date
JPS55108942A true JPS55108942A (en) 1980-08-21

Family

ID=11897148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1574079A Pending JPS55108942A (en) 1979-02-13 1979-02-13 Optical recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS55108942A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155534A (ja) * 1982-03-11 1983-09-16 Asahi Optical Co Ltd 光学的ビデオデイスク情報読み取り装置
JPS5994254A (ja) * 1982-11-22 1984-05-30 Asahi Optical Co Ltd 光学的情報読取装置
JPS59109118U (ja) * 1983-01-12 1984-07-23 ティーディーケイ株式会社 発振用トランス
JPS59112325U (ja) * 1983-01-14 1984-07-28 旭光学工業株式会社 光学式ピツクアツプ
JPS61104338A (ja) * 1984-10-24 1986-05-22 Hitachi Ltd 光学的情報記録再生装置
JPS62125549A (ja) * 1985-11-27 1987-06-06 Matsushita Electric Ind Co Ltd 光学ヘツド

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119505A (ja) * 1974-08-09 1976-02-16 Canon Kk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119505A (ja) * 1974-08-09 1976-02-16 Canon Kk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155534A (ja) * 1982-03-11 1983-09-16 Asahi Optical Co Ltd 光学的ビデオデイスク情報読み取り装置
JPS5994254A (ja) * 1982-11-22 1984-05-30 Asahi Optical Co Ltd 光学的情報読取装置
JPS59109118U (ja) * 1983-01-12 1984-07-23 ティーディーケイ株式会社 発振用トランス
JPS59112325U (ja) * 1983-01-14 1984-07-28 旭光学工業株式会社 光学式ピツクアツプ
JPS61104338A (ja) * 1984-10-24 1986-05-22 Hitachi Ltd 光学的情報記録再生装置
JPH0524567B2 (ja) * 1984-10-24 1993-04-08 Hitachi Ltd
JPS62125549A (ja) * 1985-11-27 1987-06-06 Matsushita Electric Ind Co Ltd 光学ヘツド

Similar Documents

Publication Publication Date Title
DE3684734D1 (de) Optische lesekopfvorrichtungen.
MY114141A (en) Objective lens driving device and optical pickup device employing the objective lens driving device.
EP0473785A4 (en) Optical disc system and optical disc
JPS54128303A (en) Optical reproducing device of information recording medium disc
DE3778406D1 (de) Optische kopfeinrichtungen fuer plattenspieler.
JPS55108942A (en) Optical recording and reproducing device
JPS56130840A (en) Pickup controlling mechanism for video disc recorder
JPS55125417A (en) Photodetector
JPS6455746A (en) Optical pickup device
JPS5424002A (en) Reproducer of optical information recording medium discs
JPS578929A (en) Optical pickup device
EP0400570A3 (en) Optical information processing system
JPS5641A (en) Processor for optical information
JPS56156937A (en) Optical pickup device
JPS56114136A (en) Optical recording and reproducing device
JPS5661046A (en) Optical disc device
ATE110875T1 (de) Optische abtastvorrichtung.
JPS5898848A (ja) 光学式デイスクプレ−ヤの光学制御機構
JPS6452240A (en) Magneto-optical recording and reproducing device
JPS6435734A (en) Optical head in optical disk recording and reproducing device
JPS5476177A (en) Optical reader
JPS54134605A (en) Method and appartus of controlling focus
JPS54104803A (en) Focus detector in optical recorder-reproducer
JPS5250703A (en) Optical reading device for recording materials
JPS5788535A (en) Pickup device