JPH0526256B2 - - Google Patents

Info

Publication number
JPH0526256B2
JPH0526256B2 JP57221092A JP22109282A JPH0526256B2 JP H0526256 B2 JPH0526256 B2 JP H0526256B2 JP 57221092 A JP57221092 A JP 57221092A JP 22109282 A JP22109282 A JP 22109282A JP H0526256 B2 JPH0526256 B2 JP H0526256B2
Authority
JP
Japan
Prior art keywords
cylinder
tracking
movable
outer circumferential
fixed
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 - Lifetime
Application number
JP57221092A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59112447A (ja
Inventor
Tsutomu Matsui
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.)
Akai Electric Co Ltd
Original Assignee
Akai Electric 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 Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Priority to JP57221092A priority Critical patent/JPS59112447A/ja
Publication of JPS59112447A publication Critical patent/JPS59112447A/ja
Publication of JPH0526256B2 publication Critical patent/JPH0526256B2/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

Landscapes

  • Optical Head (AREA)
JP57221092A 1982-12-18 1982-12-18 光ピツクアツプ Granted JPS59112447A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57221092A JPS59112447A (ja) 1982-12-18 1982-12-18 光ピツクアツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57221092A JPS59112447A (ja) 1982-12-18 1982-12-18 光ピツクアツプ

Publications (2)

Publication Number Publication Date
JPS59112447A JPS59112447A (ja) 1984-06-28
JPH0526256B2 true JPH0526256B2 (en]) 1993-04-15

Family

ID=16761361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57221092A Granted JPS59112447A (ja) 1982-12-18 1982-12-18 光ピツクアツプ

Country Status (1)

Country Link
JP (1) JPS59112447A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156024U (en]) * 1985-03-18 1986-09-27
JPH03100935A (ja) * 1989-09-12 1991-04-25 Hitachi Ltd 光ピツクアツプの防塵装置
US5144611A (en) * 1990-10-01 1992-09-01 International Business Machines Corporation Optical disk drive cleaner cartridge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151513A (en) * 1975-06-20 1976-12-27 Hitachi Ltd Magnetic disk mechanism
JPS5721152Y2 (en]) * 1978-09-25 1982-05-07

Also Published As

Publication number Publication date
JPS59112447A (ja) 1984-06-28

Similar Documents

Publication Publication Date Title
JPS632997Y2 (en])
JPH0526256B2 (en])
JPS6112594Y2 (en])
JP2507399Y2 (ja) 光デイスク用ピツクアツプ対物レンズユニツト
CA2093204A1 (en) Driving Device for Objective Lens
JP2566014B2 (ja) 光学式情報記録再生装置
JPH06208785A (ja) ダンパ及びフローティング機構
JPS6232352Y2 (en])
JPH0314646Y2 (en])
KR100211812B1 (ko) 광픽업 액츄에이터의 대물렌즈 일체형 렌즈홀더
JPS6488927A (en) Objective lens supporting device
JPS62173401A (ja) 屈折率分布レンズの取付け調整方法
JPH0127134Y2 (en])
KR0127518B1 (ko) 광픽업엑츄에이터
JPS6336499Y2 (en])
JPH04129039A (ja) 光学式ピックアップ
JPH05120722A (ja) 光ヘツドの信号受光方法
JPS5987412A (ja) 光学装置
JPS6032894B2 (ja) 対物レンズ装置のダンピング装置
JPH0223545A (ja) 光ヘッド装置
JPS6055890B2 (ja) 光学的情報記録再生装置
JPH0276328U (en])
JPH0462512U (en])
JPH0428027A (ja) 光学式ピックアップ
JPS6381320U (en])