FR2322418B1 - - Google Patents
Info
- Publication number
- FR2322418B1 FR2322418B1 FR7625819A FR7625819A FR2322418B1 FR 2322418 B1 FR2322418 B1 FR 2322418B1 FR 7625819 A FR7625819 A FR 7625819A FR 7625819 A FR7625819 A FR 7625819A FR 2322418 B1 FR2322418 B1 FR 2322418B1
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7510035A NL7510035A (nl) | 1975-08-26 | 1975-08-26 | Registratiedrager met een optisch uitleesbare, langs sporen gerangschikte, informatiestruktuur en inrichting voor het uitlezen daarvan. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2322418A1 FR2322418A1 (fr) | 1977-03-25 |
| FR2322418B1 true FR2322418B1 (no) | 1981-09-25 |
Family
ID=19824353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7625819A Granted FR2322418A1 (fr) | 1975-08-26 | 1976-08-26 | Dispositif pour la lecture par voie optique d'un porteur d'enregistrement |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5228303A (no) |
| AT (1) | AT351819B (no) |
| AU (1) | AU505280B2 (no) |
| BE (1) | BE845468A (no) |
| CA (1) | CA1082356A (no) |
| CH (1) | CH612781A5 (no) |
| DE (1) | DE2636464C2 (no) |
| DK (1) | DK378976A (no) |
| ES (1) | ES450938A1 (no) |
| FR (1) | FR2322418A1 (no) |
| GB (1) | GB1516285A (no) |
| IT (1) | IT1071416B (no) |
| NL (1) | NL7510035A (no) |
| NO (1) | NO762892L (no) |
| NZ (1) | NZ181831A (no) |
| SE (1) | SE424235B (no) |
| ZA (1) | ZA764771B (no) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122551A (en) * | 1977-04-08 | 1978-10-24 | Xerox Corporation | Optical data storage and retrieval system |
| FR2396379A1 (fr) * | 1977-07-01 | 1979-01-26 | Thomson Brandt | Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations |
| NL7811003A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie. |
| US4484319A (en) * | 1980-09-19 | 1984-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for locating a track on disc-like optical information carriers |
| JPS57105828A (en) * | 1980-12-19 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Optical disk recording and reproducing system |
| US4805162A (en) * | 1982-11-01 | 1989-02-14 | Storage Technology Partners Ii | Fine and coarse servo system for access and tracking on an optical disk |
| JPH0719377B2 (ja) * | 1982-11-01 | 1995-03-06 | スタッフ・テクノロジー・パートナーズ・トウー | 光ディスクのアクセス―トラッキング用微動―粗動サーボシステム |
| NL8503411A (nl) * | 1985-12-11 | 1987-07-01 | Philips Nv | Inrichting voor het bepalen van een centreringsfout van een ronde spoorvormige informatiestruktuur in een optische registratiedrager ten opzichte van de draaiingsas van een draaitafel waarop de registratiedrager is aangebracht, alsmede een apparaat voorzien van een dergelijke inrichting en een registratiedrager geschikt voor gebruik in deze inrichting. |
| NL8600934A (nl) * | 1986-04-14 | 1987-11-02 | Optical Storage Int | Optische registratiedrager en inrichting voor het uitlezen van de registratiedrager. |
| US4945476A (en) * | 1988-02-26 | 1990-07-31 | Elsevier Science Publishing Company, Inc. | Interactive system and method for creating and editing a knowledge base for use as a computerized aid to the cognitive process of diagnosis |
| DE69233335T2 (de) * | 1991-12-02 | 2005-02-10 | Koninklijke Philips Electronics N.V. | Geschlossenes Informationssystem mit Kopierschutz |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2037800A1 (de) * | 1970-07-30 | 1972-02-03 | Wittmoser | Schall oder Bildplatte |
| NL7314267A (nl) * | 1973-10-17 | 1975-04-21 | Philips Nv | Registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur. |
| NL7401858A (nl) * | 1974-02-12 | 1975-08-14 | Philips Nv | Registratiedrager waarop informatie is aange- t in een optisch uitleesbare struktuur. |
-
1975
- 1975-08-26 NL NL7510035A patent/NL7510035A/xx not_active Application Discontinuation
-
1976
- 1976-08-09 ZA ZA00764771A patent/ZA764771B/xx unknown
- 1976-08-13 DE DE2636464A patent/DE2636464C2/de not_active Expired
- 1976-08-23 SE SE7609291A patent/SE424235B/xx unknown
- 1976-08-23 IT IT69069/76A patent/IT1071416B/it active
- 1976-08-23 CH CH1068476A patent/CH612781A5/xx not_active IP Right Cessation
- 1976-08-23 GB GB34976/76A patent/GB1516285A/en not_active Expired
- 1976-08-23 CA CA259,653A patent/CA1082356A/en not_active Expired
- 1976-08-23 DK DK378976A patent/DK378976A/da unknown
- 1976-08-23 NO NO762892A patent/NO762892L/no unknown
- 1976-08-23 NZ NZ181831A patent/NZ181831A/xx unknown
- 1976-08-24 AT AT626776A patent/AT351819B/de not_active IP Right Cessation
- 1976-08-24 BE BE170035A patent/BE845468A/xx not_active IP Right Cessation
- 1976-08-24 AU AU17080/76A patent/AU505280B2/en not_active Expired
- 1976-08-24 ES ES450938A patent/ES450938A1/es not_active Expired
- 1976-08-26 JP JP51101175A patent/JPS5228303A/ja active Pending
- 1976-08-26 FR FR7625819A patent/FR2322418A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1071416B (it) | 1985-04-10 |
| DK378976A (da) | 1977-02-27 |
| ZA764771B (en) | 1978-03-29 |
| NL7510035A (nl) | 1977-03-01 |
| GB1516285A (en) | 1978-07-05 |
| NZ181831A (en) | 1980-09-12 |
| ATA626776A (de) | 1979-01-15 |
| CH612781A5 (en) | 1979-08-15 |
| FR2322418A1 (fr) | 1977-03-25 |
| CA1082356A (en) | 1980-07-22 |
| JPS5228303A (en) | 1977-03-03 |
| NO762892L (no) | 1977-03-01 |
| DE2636464C2 (de) | 1984-04-05 |
| SE424235B (sv) | 1982-07-05 |
| SE7609291L (sv) | 1977-02-27 |
| DE2636464A1 (de) | 1977-03-03 |
| ES450938A1 (es) | 1977-12-01 |
| AU505280B2 (en) | 1979-11-15 |
| AT351819B (de) | 1979-08-10 |
| AU1708076A (en) | 1978-03-02 |
| BE845468A (fr) | 1977-02-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |