CH424298A - Wiedergabegerät zur photoelektrischen Abtastung einer eng aneinanderliegende Spurteile aufweisenden Aufzeichnungsspur auf einem Informationsträger - Google Patents
Wiedergabegerät zur photoelektrischen Abtastung einer eng aneinanderliegende Spurteile aufweisenden Aufzeichnungsspur auf einem InformationsträgerInfo
- Publication number
- CH424298A CH424298A CH1513462A CH1513462A CH424298A CH 424298 A CH424298 A CH 424298A CH 1513462 A CH1513462 A CH 1513462A CH 1513462 A CH1513462 A CH 1513462A CH 424298 A CH424298 A CH 424298A
- Authority
- CH
- Switzerland
- Prior art keywords
- information carrier
- reproduction device
- closely spaced
- track
- photoelectrically scanning
- 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
- G11B7/095—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
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- 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
- G11B7/0901—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US161652A US3251952A (en) | 1961-12-22 | 1961-12-22 | Electro-acoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH424298A true CH424298A (de) | 1966-11-15 |
Family
ID=22582134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1513462A CH424298A (de) | 1961-12-22 | 1962-12-22 | Wiedergabegerät zur photoelektrischen Abtastung einer eng aneinanderliegende Spurteile aufweisenden Aufzeichnungsspur auf einem Informationsträger |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3251952A (de) |
| CH (1) | CH424298A (de) |
| FR (1) | FR1341920A (de) |
| GB (1) | GB970144A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3517202A (en) * | 1967-11-14 | 1970-06-23 | Us Navy | Rotating-mirror optical scanning system with optical path length compensation |
| BE791169A (fr) * | 1971-11-12 | 1973-05-09 | Westinghouse Electric Corp | Declencheur d'impulsions radiometriques a semi-conducteurs poursysteme de lecture d'appareils de mesure situes a distance |
| US4008491A (en) * | 1975-01-02 | 1977-02-15 | International Business Machines Corporation | Fixed head, direct access storage device |
| DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
| WO2012150958A1 (en) * | 2011-05-02 | 2012-11-08 | Enertechnix, Inc | Aerosol collection apparatus and methods for ultrasonic care thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2169405A (en) * | 1938-06-21 | 1939-08-15 | John R Cooney | Photoelectric system |
| GB566112A (en) * | 1943-03-15 | 1944-12-14 | British Thomson Houston Co Ltd | Improvements relating to the reproduction of sound from film sound records |
| US2422398A (en) * | 1943-11-03 | 1947-06-17 | Jr James J Dilks | Recorder and reproducer for spiral photographic disk sound records |
| US2384131A (en) * | 1944-01-10 | 1945-09-04 | Clifford L Price | Sound recording and reproducing system |
| US2508451A (en) * | 1947-05-02 | 1950-05-23 | Robert H Dicke | Sound recording and reproducing apparatus |
| US2654810A (en) * | 1949-11-15 | 1953-10-06 | Miessner Inventions Inc | Photoelectric translating system |
| US3046836A (en) * | 1956-01-27 | 1962-07-31 | Kalart Co Inc | Strip film for picture and sound reproduction |
| US2851539A (en) * | 1956-04-13 | 1958-09-09 | Delmar L Brown | Apparatus for reproducing sound |
| US2932781A (en) * | 1958-02-28 | 1960-04-12 | Ite Circuit Breaker Ltd | Semi-conductor protective means |
-
1961
- 1961-12-22 US US161652A patent/US3251952A/en not_active Expired - Lifetime
-
1962
- 1962-12-19 GB GB479?9/62A patent/GB970144A/en not_active Expired
- 1962-12-21 FR FR43158A patent/FR1341920A/fr not_active Expired
- 1962-12-22 CH CH1513462A patent/CH424298A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1341920A (fr) | 1963-11-02 |
| US3251952A (en) | 1966-05-17 |
| GB970144A (en) | 1964-09-16 |
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