CA2134325C - High data rate optical tape recorder - Google Patents
High data rate optical tape recorder Download PDFInfo
- Publication number
- CA2134325C CA2134325C CA002134325A CA2134325A CA2134325C CA 2134325 C CA2134325 C CA 2134325C CA 002134325 A CA002134325 A CA 002134325A CA 2134325 A CA2134325 A CA 2134325A CA 2134325 C CA2134325 C CA 2134325C
- Authority
- CA
- Canada
- Prior art keywords
- data
- light
- write
- read
- channel
- 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 - Lifetime
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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
-
- 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
- G11B7/0031—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 using a rotating head, e.g. helicoidal recording
-
- 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)
- Optical Head (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87753592A | 1992-05-01 | 1992-05-01 | |
| US877,535 | 1992-05-01 | ||
| PCT/US1993/003602 WO1993022765A1 (en) | 1992-05-01 | 1993-04-22 | High data rate optical tape recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2134325A1 CA2134325A1 (en) | 1993-11-11 |
| CA2134325C true CA2134325C (en) | 2000-01-25 |
Family
ID=25370177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002134325A Expired - Lifetime CA2134325C (en) | 1992-05-01 | 1993-04-22 | High data rate optical tape recorder |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0647345A1 (fi) |
| JP (1) | JP3470297B2 (fi) |
| AU (1) | AU4105493A (fi) |
| CA (1) | CA2134325C (fi) |
| FI (1) | FI945104A0 (fi) |
| IL (1) | IL105524A (fi) |
| MX (1) | MX9302530A (fi) |
| WO (1) | WO1993022765A1 (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396042B1 (en) | 1999-10-19 | 2002-05-28 | Raytheon Company | Digital laser image recorder including delay lines |
| US9366874B2 (en) | 2010-07-16 | 2016-06-14 | Toptica Photonics Ag | Beam combining and deflecting device with one or more risley prism pairs deflecting an input beam in an adjustable direction |
| US8225339B1 (en) * | 2011-06-17 | 2012-07-17 | Oracle International Corporation | Rotary head data storage and retrieval system and method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL70164C (fi) * | 1949-07-10 | |||
| DE2022265C3 (de) * | 1970-05-06 | 1974-08-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Aufzeichnung und Wiedergabe analoger und digitaler Daten auf einem lichtempfindlichen Band |
| US3809806A (en) * | 1972-10-18 | 1974-05-07 | Columbia Broadcasting Syst Inc | Banding correction system for film recording apparatus |
| US4090031A (en) * | 1974-10-21 | 1978-05-16 | Eli S. Jacobs | Multi-layered opitcal data records and playback apparatus |
| US4321700A (en) * | 1974-10-21 | 1982-03-23 | Digital Recording Corporation | Optical track segment intercept apparatus |
| US4494226A (en) * | 1981-10-15 | 1985-01-15 | Burroughs Corporation | Three beam optical memory system |
| US4815067A (en) * | 1986-10-06 | 1989-03-21 | Thorn Emi Plc. | Optical rotary headwheel tape recording system |
| US4958338A (en) * | 1986-12-01 | 1990-09-18 | Miller William P | Hierarchically multiplexed optical recording system for storage of digital data |
| JPH01263953A (ja) * | 1988-04-15 | 1989-10-20 | Sony Corp | 光学式記録装置 |
-
1993
- 1993-04-22 CA CA002134325A patent/CA2134325C/en not_active Expired - Lifetime
- 1993-04-22 EP EP93910629A patent/EP0647345A1/en not_active Ceased
- 1993-04-22 JP JP51931293A patent/JP3470297B2/ja not_active Expired - Fee Related
- 1993-04-22 AU AU41054/93A patent/AU4105493A/en not_active Abandoned
- 1993-04-22 WO PCT/US1993/003602 patent/WO1993022765A1/en not_active Application Discontinuation
- 1993-04-27 IL IL10552493A patent/IL105524A/en not_active IP Right Cessation
- 1993-04-29 MX MX9302530A patent/MX9302530A/es unknown
-
1994
- 1994-10-31 FI FI945104A patent/FI945104A0/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07507177A (ja) | 1995-08-03 |
| EP0647345A1 (en) | 1995-04-12 |
| MX9302530A (es) | 1994-04-29 |
| FI945104A (fi) | 1994-10-31 |
| IL105524A (en) | 1998-09-24 |
| JP3470297B2 (ja) | 2003-11-25 |
| FI945104A0 (fi) | 1994-10-31 |
| WO1993022765A1 (en) | 1993-11-11 |
| EP0647345A4 (en) | 1994-11-21 |
| CA2134325A1 (en) | 1993-11-11 |
| AU4105493A (en) | 1993-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130422 |
|
| MKEC | Expiry (correction) |
Effective date: 20131009 |