NL7510462A - Meervoudig gelaagde optische informatieschij- ven en weergave-inrichting. - Google Patents
Meervoudig gelaagde optische informatieschij- ven en weergave-inrichting.Info
- Publication number
- NL7510462A NL7510462A NL7510462A NL7510462A NL7510462A NL 7510462 A NL7510462 A NL 7510462A NL 7510462 A NL7510462 A NL 7510462A NL 7510462 A NL7510462 A NL 7510462A NL 7510462 A NL7510462 A NL 7510462A
- Authority
- NL
- Netherlands
- Prior art keywords
- display device
- optical discs
- layered optical
- layered
- discs
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating 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
- G11B7/0033—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
- G11B7/08—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
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51645374A | 1974-10-21 | 1974-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7510462A true NL7510462A (nl) | 1976-04-23 |
Family
ID=24055665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7510462A NL7510462A (nl) | 1974-10-21 | 1975-09-04 | Meervoudig gelaagde optische informatieschij- ven en weergave-inrichting. |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPS5231610A (nl) |
| CA (2) | CA1078060A (nl) |
| DE (1) | DE2546941A1 (nl) |
| GB (1) | GB1516413A (nl) |
| NL (1) | NL7510462A (nl) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074085A (en) * | 1976-03-31 | 1978-02-14 | Eli S. Jacobs | Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
| NL7803069A (nl) * | 1978-03-22 | 1979-09-25 | Philips Nv | Meerlaags informatieschijf. |
| FR2488711B1 (fr) * | 1980-08-13 | 1985-06-28 | Thomson Csf | Procede thermo-optique d'inscription d'information et support d'information destine a la mise en oeuvre de ce procede |
| JPS59210544A (ja) * | 1983-05-16 | 1984-11-29 | Nec Corp | 光記録媒体 |
| US4639745A (en) * | 1984-01-11 | 1987-01-27 | Pioneer Electronic Corporation | Optical recording medium |
| US4745484A (en) * | 1986-07-30 | 1988-05-17 | Drexler Technology Corporation | Method and apparatus for stepped imaging in reading data |
| DE69027103T2 (de) * | 1989-11-22 | 1996-10-24 | Sharp Kk | Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf |
| US5373499A (en) * | 1993-07-22 | 1994-12-13 | International Business Machines Corporation | Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness |
| US5644555A (en) * | 1995-01-19 | 1997-07-01 | International Business Machines Corporation | Multiple data surface magneto-optical data storage system |
| JPH09161320A (ja) * | 1995-12-08 | 1997-06-20 | Nippon Columbia Co Ltd | 貼り合わせ型光情報記録媒体 |
| FR2765716B1 (fr) * | 1997-07-02 | 1999-07-30 | Commissariat Energie Atomique | Support d'enregistrement optique a deux niveaux superposes, dispositif d'enregistrement et procede de lecture correspondants |
| GB2428130A (en) * | 2005-07-06 | 2007-01-17 | Univ Basel | Photographic storage of digital information |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229603B2 (nl) * | 1971-08-10 | 1977-08-03 | ||
| JPS5828652B2 (ja) * | 1972-12-25 | 1983-06-17 | 萬世工業株式会社 | ヨミトリソウチ |
-
1975
- 1975-07-31 CA CA232,631A patent/CA1078060A/en not_active Expired
- 1975-08-04 GB GB32589/75A patent/GB1516413A/en not_active Expired
- 1975-09-04 NL NL7510462A patent/NL7510462A/nl not_active Application Discontinuation
- 1975-10-20 DE DE19752546941 patent/DE2546941A1/de not_active Ceased
- 1975-10-21 JP JP50126026A patent/JPS5231610A/ja active Granted
-
1980
- 1980-01-03 CA CA342,948A patent/CA1091804A/en not_active Expired
-
1984
- 1984-02-17 JP JP59027369A patent/JPS59223949A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1078060A (en) | 1980-05-20 |
| GB1516413A (en) | 1978-07-05 |
| JPS6118392B2 (nl) | 1986-05-12 |
| DE2546941A1 (de) | 1976-04-29 |
| CA1091804A (en) | 1980-12-16 |
| JPS5231610A (en) | 1977-03-10 |
| JPS59223949A (ja) | 1984-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: ELI SOLOMON JACOBS |
|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BC | A request for examination has been filed | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: INFORMATION TUNNEL SYSTEMS INC. |
|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: OPTICAL RECORDING CORPORATION |
|
| BV | The patent application has lapsed |