AU545092B2 - Video disc player - Google Patents
Video disc playerInfo
- Publication number
- AU545092B2 AU545092B2 AU13669/83A AU1366983A AU545092B2 AU 545092 B2 AU545092 B2 AU 545092B2 AU 13669/83 A AU13669/83 A AU 13669/83A AU 1366983 A AU1366983 A AU 1366983A AU 545092 B2 AU545092 B2 AU 545092B2
- Authority
- AU
- Australia
- Prior art keywords
- video disc
- disc player
- player
- video
- disc
- 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
-
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU13669/83A AU545092B2 (en) | 1979-09-26 | 1983-04-19 | Video disc player |
AU47649/85A AU562979B2 (en) | 1978-03-27 | 1985-09-20 | Video disc player |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU530869 | 1979-09-26 | ||
AU13669/83A AU545092B2 (en) | 1979-09-26 | 1983-04-19 | Video disc player |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU51235/79A Division AU530869B2 (en) | 1979-09-26 | 1979-09-26 | Video disc player |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU47649/85A Division AU562979B2 (en) | 1978-03-27 | 1985-09-20 | Video disc player |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1366983A AU1366983A (en) | 1983-08-18 |
AU545092B2 true AU545092B2 (en) | 1985-06-27 |
Family
ID=3703980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU13669/83A Expired AU545092B2 (en) | 1978-03-27 | 1983-04-19 | Video disc player |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU545092B2 (en) |
-
1983
- 1983-04-19 AU AU13669/83A patent/AU545092B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU1366983A (en) | 1983-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |