JPS57127936A - Optical disc player - Google Patents
Optical disc playerInfo
- Publication number
- JPS57127936A JPS57127936A JP56012563A JP1256381A JPS57127936A JP S57127936 A JPS57127936 A JP S57127936A JP 56012563 A JP56012563 A JP 56012563A JP 1256381 A JP1256381 A JP 1256381A JP S57127936 A JPS57127936 A JP S57127936A
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- disc player
- constitution
- spring
- coupled
- 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
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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56012563A JPS57127936A (en) | 1981-01-30 | 1981-01-30 | Optical disc player |
US06/341,007 US4482986A (en) | 1981-01-30 | 1982-01-20 | Objective lens mount for optical disc player |
DE8282300422T DE3264159D1 (en) | 1981-01-30 | 1982-01-27 | Reading information optically |
EP82300422A EP0058018B1 (en) | 1981-01-30 | 1982-01-27 | Reading information optically |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56012563A JPS57127936A (en) | 1981-01-30 | 1981-01-30 | Optical disc player |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57127936A true JPS57127936A (en) | 1982-08-09 |
Family
ID=11808808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56012563A Pending JPS57127936A (en) | 1981-01-30 | 1981-01-30 | Optical disc player |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57127936A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005088153A1 (ja) * | 2004-03-15 | 2005-09-22 | Sharp Kabushiki Kaisha | 板バネ及びそれを備えたレンズアクチュエータ |
-
1981
- 1981-01-30 JP JP56012563A patent/JPS57127936A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005088153A1 (ja) * | 2004-03-15 | 2005-09-22 | Sharp Kabushiki Kaisha | 板バネ及びそれを備えたレンズアクチュエータ |
JP2005258355A (ja) * | 2004-03-15 | 2005-09-22 | Sharp Corp | 板バネ及びそれを備えたレンズアクチュエータ |
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