NL183791C - DEVICE FOR DRIVING A RECORD PLAYER. - Google Patents
DEVICE FOR DRIVING A RECORD PLAYER.Info
- Publication number
- NL183791C NL183791C NLAANVRAGE7906866,A NL7906866A NL183791C NL 183791 C NL183791 C NL 183791C NL 7906866 A NL7906866 A NL 7906866A NL 183791 C NL183791 C NL 183791C
- Authority
- NL
- Netherlands
- Prior art keywords
- driving
- record player
- player
- record
- Prior art date
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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Automatic Focus Adjustment (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11608878A JPS5542369A (en) | 1978-09-19 | 1978-09-19 | Pickup controller |
| JP11608878 | 1978-09-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7906866A NL7906866A (en) | 1980-03-21 |
| NL183791B NL183791B (en) | 1988-08-16 |
| NL183791C true NL183791C (en) | 1989-01-16 |
Family
ID=14678405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7906866,A NL183791C (en) | 1978-09-19 | 1979-09-14 | DEVICE FOR DRIVING A RECORD PLAYER. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5542369A (en) |
| FR (1) | FR2437042B1 (en) |
| NL (1) | NL183791C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469853B1 (en) * | 1979-11-12 | 1986-09-12 | Nippon Telegraph & Telephone | PICK-UP FOR USE IN A DEVICE FOR PLAYING VIDEO AND / OR AUDIO INFORMATION |
| FR2474740A1 (en) * | 1980-01-24 | 1981-07-31 | Thomson Csf | MOBILE CREW OF A VIDEODISK RECORDER PLAYER, AND VIDEO DEVICE RECORDER COMPRISING SUCH A CREW |
| US4592037A (en) * | 1980-11-28 | 1986-05-27 | Hitachi, Ltd. | Device for displacing a pickup head in multi-axial directions |
| FR2522860B1 (en) * | 1982-03-02 | 1989-07-13 | Thomson Csf | OPTICAL WRITE-READING HEAD OF AN OPTICAL DISC AND OPTICAL DEVICE ASSOCIATED WITH SUCH A HEAD |
| US4696566A (en) * | 1984-02-08 | 1987-09-29 | Sharp Kabushiki Kaisha | Three-dimensional driving arrangement |
| NL8701526A (en) * | 1987-06-30 | 1989-01-16 | Philips Nv | DEVICE FOR OPTICAL SCANNING OF A ROTATING PLATE. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946367A (en) * | 1972-12-20 | 1976-03-23 | Videonics Of Hawaii, Inc. | Three dimensional electro-optical retrieval system |
| US3848095A (en) * | 1972-12-20 | 1974-11-12 | I O Metrics Corp | Three dimensional electro-optical retrieval system |
| US4003059A (en) * | 1974-02-07 | 1977-01-11 | Canon Kabushiki Kaisha | Optical recorder having focus controlling means |
| DE2661052C2 (en) * | 1975-10-08 | 1987-07-16 | Olympus Optical Co., Ltd., Tokio/Tokyo, Jp | |
| NL176315C (en) * | 1976-05-12 | 1985-03-18 | Philips Nv | OPTICAL SCANNER. |
| NL7608561A (en) * | 1976-08-02 | 1978-02-06 | Philips Nv | OPTICAL READING UNIT FOR SCANNING A RECORD BEARING WITH A RADIATION-REFLECTING INFORMATION STRUCTURE. |
| NL7703232A (en) * | 1977-03-25 | 1978-09-27 | Philips Nv | OPTICAL SCANNER. |
-
1978
- 1978-09-19 JP JP11608878A patent/JPS5542369A/en active Pending
-
1979
- 1979-09-14 NL NLAANVRAGE7906866,A patent/NL183791C/en not_active IP Right Cessation
- 1979-09-17 FR FR7923119A patent/FR2437042B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7906866A (en) | 1980-03-21 |
| FR2437042A1 (en) | 1980-04-18 |
| FR2437042B1 (en) | 1985-10-11 |
| JPS5542369A (en) | 1980-03-25 |
| NL183791B (en) | 1988-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V4 | Lapsed because of reaching the maximum lifetime of a patent |
Free format text: 19990914 |