ES2005735A6 - Memoria optica. - Google Patents
Memoria optica.Info
- Publication number
- ES2005735A6 ES2005735A6 ES8703569A ES8703569A ES2005735A6 ES 2005735 A6 ES2005735 A6 ES 2005735A6 ES 8703569 A ES8703569 A ES 8703569A ES 8703569 A ES8703569 A ES 8703569A ES 2005735 A6 ES2005735 A6 ES 2005735A6
- Authority
- ES
- Spain
- Prior art keywords
- carriers
- pct
- optical
- photodetectors
- sec
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/02—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using cylindrical 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/005—Arrangements for writing information into, or reading information out from, a digital store with combined beam-and individual cell access
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Communication System (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU864157162A SU1702427A1 (ru) | 1986-12-15 | 1986-12-15 | Устройство дл записи и считывани информации |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2005735A6 true ES2005735A6 (es) | 1989-03-16 |
Family
ID=21271290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES8703569A Expired ES2005735A6 (es) | 1986-12-15 | 1987-12-14 | Memoria optica. |
Country Status (11)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940010038A (ko) * | 1992-10-28 | 1994-05-24 | 사또오 후미오 | 자기 기록 재생 장치 |
| DE69617325T2 (de) * | 1995-06-23 | 2002-08-22 | Toshinobu Futagawa | Hochgeschwindigkeitsinformationsschreib-/-leseverfahren |
| NO301506B1 (no) * | 1995-06-23 | 1997-11-03 | Opticom As | Fremgangsmåte ved optisk datalagring samt databærende medium |
| US7187819B1 (en) | 2003-12-31 | 2007-03-06 | Storage Technology Corporation | Optical power distribution management and apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994863A (en) * | 1958-12-29 | 1961-08-01 | Ibm | Apparatus and method for graphical to digital conversion |
| US3148355A (en) * | 1961-12-26 | 1964-09-08 | Ibm | Storage device utilizing color film and movable filters |
| US3226697A (en) * | 1963-11-27 | 1965-12-28 | Gen Motors Corp | Information storage system using color code |
| US3215989A (en) * | 1963-12-20 | 1965-11-02 | Bell Telephone Labor Inc | Optical apparatus for coordinate selection |
| FR2474221A1 (fr) * | 1980-01-23 | 1981-07-24 | Thomson Csf | Dispositif optique d'enregistrement-lecture de supports d'information et systeme de memoire optique comportant un tel systeme |
| JPS5786173A (en) * | 1980-11-17 | 1982-05-29 | Toshiba Corp | Recorder and reproducer |
| US4519061A (en) * | 1983-06-27 | 1985-05-21 | Eastman Kodak Company | Sealed optical disk unit, apparatus and method for debris-suppressed recording |
-
1986
- 1986-12-15 SU SU864157162A patent/SU1702427A1/ru active
-
1987
- 1987-12-08 IN IN960/CAL/87A patent/IN168865B/en unknown
- 1987-12-14 US US07/265,794 patent/US5001667A/en not_active Expired - Fee Related
- 1987-12-14 EP EP88900608A patent/EP0293495A1/de not_active Withdrawn
- 1987-12-14 ES ES8703569A patent/ES2005735A6/es not_active Expired
- 1987-12-14 JP JP63500768A patent/JPH01501581A/ja active Pending
- 1987-12-14 BR BR8707583A patent/BR8707583A/pt unknown
- 1987-12-14 GR GR871886A patent/GR871886B/el unknown
- 1987-12-14 WO PCT/SU1987/000142 patent/WO1988004827A1/ru not_active Application Discontinuation
- 1987-12-15 CN CN87108331.0A patent/CN1012766B/zh not_active Expired
-
1988
- 1988-08-12 FI FI883754A patent/FI883754A0/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI883754A (fi) | 1988-08-12 |
| SU1702427A1 (ru) | 1991-12-30 |
| CN87108331A (zh) | 1988-06-29 |
| EP0293495A1 (de) | 1988-12-07 |
| JPH01501581A (ja) | 1989-06-01 |
| GR871886B (en) | 1988-03-21 |
| WO1988004827A1 (en) | 1988-06-30 |
| US5001667A (en) | 1991-03-19 |
| IN168865B (US07709020-20100504-C00041.png) | 1991-06-29 |
| FI883754A0 (fi) | 1988-08-12 |
| CN1012766B (zh) | 1991-06-05 |
| BR8707583A (pt) | 1989-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SA6 | Expiration date (snapshot 920101) |
Free format text: 2007-12-14 |
|
| FD1A | Patent lapsed |
Effective date: 20010503 |