JPS57164450A - Optical information reproducing device - Google Patents
Optical information reproducing deviceInfo
- Publication number
- JPS57164450A JPS57164450A JP4983781A JP4983781A JPS57164450A JP S57164450 A JPS57164450 A JP S57164450A JP 4983781 A JP4983781 A JP 4983781A JP 4983781 A JP4983781 A JP 4983781A JP S57164450 A JPS57164450 A JP S57164450A
- Authority
- JP
- Japan
- Prior art keywords
- correcting mechanism
- elastic member
- force
- arm
- optical system
- 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
- G11B7/085—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
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08576—Swinging-arm positioners
-
- 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
- G11B7/0901—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 for track following only
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4983781A JPS57164450A (en) | 1981-04-01 | 1981-04-01 | Optical information reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4983781A JPS57164450A (en) | 1981-04-01 | 1981-04-01 | Optical information reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57164450A true JPS57164450A (en) | 1982-10-09 |
Family
ID=12842188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4983781A Pending JPS57164450A (en) | 1981-04-01 | 1981-04-01 | Optical information reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57164450A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0744737A1 (en) * | 1994-12-08 | 1996-11-27 | Tam Co., Ltd | Optical pickup driving device for optical disk |
-
1981
- 1981-04-01 JP JP4983781A patent/JPS57164450A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0744737A1 (en) * | 1994-12-08 | 1996-11-27 | Tam Co., Ltd | Optical pickup driving device for optical disk |
| EP0744737A4 (en) * | 1994-12-08 | 1998-12-02 | Tam Co Ltd | OPTICAL READ HEAD DRIVE FOR OPTICAL DISC |
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