GB2156069B - Apparatus for reproducing recorded information - Google Patents
Apparatus for reproducing recorded informationInfo
- Publication number
- GB2156069B GB2156069B GB08502586A GB8502586A GB2156069B GB 2156069 B GB2156069 B GB 2156069B GB 08502586 A GB08502586 A GB 08502586A GB 8502586 A GB8502586 A GB 8502586A GB 2156069 B GB2156069 B GB 2156069B
- Authority
- GB
- United Kingdom
- Prior art keywords
- recorded information
- reproducing recorded
- reproducing
- information
- recorded
- 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
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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1429484U JPS60127634U (en) | 1984-02-03 | 1984-02-03 | Recorded information reproducing device |
| JP1429584U JPS60127630U (en) | 1984-02-03 | 1984-02-03 | Recorded information reproducing device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8502586D0 GB8502586D0 (en) | 1985-03-06 |
| GB2156069A GB2156069A (en) | 1985-10-02 |
| GB2156069B true GB2156069B (en) | 1987-05-07 |
Family
ID=26350217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08502586A Expired GB2156069B (en) | 1984-02-03 | 1985-02-01 | Apparatus for reproducing recorded information |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3503461A1 (en) |
| GB (1) | GB2156069B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8500592A (en) * | 1985-03-04 | 1986-10-01 | Philips Nv | ELECTRO-OPTICAL DEVICE. |
| JPH0619845B2 (en) * | 1986-09-26 | 1994-03-16 | ティアツク株式会社 | Disk fluctuation state detection device |
| JP2565238B2 (en) * | 1987-10-15 | 1996-12-18 | ソニー株式会社 | Optical disc player |
| US5065253A (en) * | 1987-12-25 | 1991-11-12 | Pioneer Electronic Corporation | Disk player with disk tilt or pickup position responsive noise reduction |
| JP2753337B2 (en) * | 1989-07-26 | 1998-05-20 | パイオニア株式会社 | Optical information reader |
| JPH07272300A (en) * | 1994-03-31 | 1995-10-20 | Sony Corp | Skew detecting device for disk |
| JPH09270152A (en) * | 1996-03-29 | 1997-10-14 | Pioneer Electron Corp | Optical disk |
| US7317672B2 (en) | 2002-09-06 | 2008-01-08 | Matsushita Electric Industrial Co., Ltd. | Optical head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR205243A1 (en) * | 1972-05-11 | 1976-04-21 | Philips Nv | APPARATUS FOR READING A FLAT REFLECTOR RECORDING CARRIER |
| NL7410642A (en) * | 1974-08-08 | 1976-02-10 | Philips Nv | OPTO-ELECTRONIC FOCUSING DETECTION SYSTEM. |
| JPS5953612B2 (en) * | 1975-11-19 | 1984-12-26 | カブシキガイシヤ フジテレビジヨン | Kodenshikisai Seihouhou |
| NL8004969A (en) * | 1980-09-02 | 1982-04-01 | Philips Nv | DEVICE FOR OPTICAL FOCUSING. |
| JPS59168835U (en) * | 1983-04-27 | 1984-11-12 | パイオニア株式会社 | Optical recording information reading device |
-
1985
- 1985-02-01 DE DE19853503461 patent/DE3503461A1/en not_active Ceased
- 1985-02-01 GB GB08502586A patent/GB2156069B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3503461A1 (en) | 1985-08-08 |
| GB8502586D0 (en) | 1985-03-06 |
| GB2156069A (en) | 1985-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3275037D1 (en) | Information recording/reproducing apparatus | |
| GB8331560D0 (en) | Information recording/reproducing apparatus | |
| EP0185140A3 (en) | Recorded disk playback apparatus | |
| GB8531683D0 (en) | Information signal recording/reproducing apparatus | |
| EP0175308A3 (en) | Recording disk data playback apparatus | |
| GB8503220D0 (en) | Data recording & reproducing method | |
| GB8407487D0 (en) | Recording/reproducing apparatus | |
| GB8523253D0 (en) | Optical information recording & reproducing apparatus | |
| EP0174666A3 (en) | Recording disk data playback apparatus | |
| EP0185764A4 (en) | Magnetic recording/reproducing apparatus. | |
| GB8404532D0 (en) | Recording/reproducing apparatus | |
| EP0229925A3 (en) | Recorded data reproducing apparatus | |
| CS751685A2 (en) | Device for information reproduction | |
| GB8531948D0 (en) | Optical information recording & reproducing apparatus | |
| EP0251666A3 (en) | Apparatus for recording and reproducing information | |
| GB8502317D0 (en) | Recorded data playback apparatus | |
| GB8522131D0 (en) | Information recording apparatus | |
| GB2190231B (en) | Disc information reproducing apparatus | |
| GB8818080D0 (en) | Recording &/reproducing apparatus | |
| GB2166318B (en) | Recording disk data playback apparatus | |
| EP0181942A4 (en) | Magnetic recording/reproducing apparatus. | |
| EP0186594A3 (en) | Information signal reproducing apparatus | |
| EP0310373A3 (en) | Information recording apparatus | |
| GB8507189D0 (en) | Recording & reproducing apparatus | |
| GB2156069B (en) | Apparatus for reproducing recorded information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |