NL8020445A - - Google Patents
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- Publication number
- NL8020445A NL8020445A NL8020445A NL8020445A NL8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A NL 8020445 A NL8020445 A NL 8020445A
- Authority
- NL
- Netherlands
- Prior art keywords
- mirror
- visible light
- ultraviolet
- light
- reflecting
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
-
- 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
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
-
- 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
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
- G11B7/0032—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent for moving-picture soundtracks, i.e. cinema
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8847179A | 1979-10-26 | 1979-10-26 | |
| US8847179 | 1979-10-26 | ||
| US8001426 | 1980-10-24 | ||
| PCT/US1980/001426 WO1981001217A1 (en) | 1979-10-26 | 1980-10-24 | Fluorescent soundtrack readout system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8020445A true NL8020445A (de) | 1981-09-01 |
Family
ID=22211578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8020445A NL8020445A (de) | 1979-10-26 | 1980-10-24 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0039725B1 (de) |
| JP (1) | JPS56501781A (de) |
| DE (1) | DE3068894D1 (de) |
| NL (1) | NL8020445A (de) |
| WO (1) | WO1981001217A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4835380A (en) * | 1987-06-11 | 1989-05-30 | U. S. Philips Corporation | Scanning device for an optical recording and/or reproducing apparatus |
| FR2616951B1 (fr) * | 1987-06-19 | 1989-09-15 | Comp Generale Electricite | Dispositif de lecture et/ou ecriture d'une bande auxiliaire d'un film cinematographique, notamment d'une bande son, et tete d'eclairage pour ce dispositif |
| FR2657190B1 (fr) * | 1990-01-18 | 1995-07-21 | Thomson Csf | Dispositif de lecture de segments oblongs d'un support en defilement. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1260337A (en) * | 1913-05-06 | 1918-03-26 | Richard M Craig | Phonographic attachment for moving-picture machines. |
| US2031971A (en) * | 1933-11-10 | 1936-02-25 | William J Morrissey | Light concentrate method and means |
| US2244733A (en) * | 1937-07-28 | 1941-06-10 | Klangfilm Gmbh | Sound recording apparatus |
| US2595701A (en) * | 1948-12-31 | 1952-05-06 | Bell Telephone Labor Inc | Recording system |
| US2678254A (en) * | 1949-12-16 | 1954-05-11 | Schenck James | Coding and recording system |
| US3001030A (en) * | 1958-12-11 | 1961-09-19 | Kalart Co Inc | Sound reproducer for reproducing sound from a sound track area on film |
| US3359376A (en) * | 1963-12-06 | 1967-12-19 | Eastman Kodak Co | Optical high-fidelity player arrangement |
-
1980
- 1980-10-24 NL NL8020445A patent/NL8020445A/nl unknown
- 1980-10-24 EP EP80902336A patent/EP0039725B1/de not_active Expired
- 1980-10-24 WO PCT/US1980/001426 patent/WO1981001217A1/en active IP Right Grant
- 1980-10-24 DE DE8080902336T patent/DE3068894D1/de not_active Expired
- 1980-10-24 JP JP50013181A patent/JPS56501781A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0039725B1 (de) | 1984-08-08 |
| DE3068894D1 (en) | 1984-09-13 |
| EP0039725A1 (de) | 1981-11-18 |
| EP0039725A4 (de) | 1982-02-16 |
| WO1981001217A1 (en) | 1981-04-30 |
| JPS56501781A (de) | 1981-12-03 |
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