NO762892L - - Google Patents
Info
- Publication number
- NO762892L NO762892L NO762892A NO762892A NO762892L NO 762892 L NO762892 L NO 762892L NO 762892 A NO762892 A NO 762892A NO 762892 A NO762892 A NO 762892A NO 762892 L NO762892 L NO 762892L
- Authority
- NO
- Norway
- Prior art keywords
- address
- tracks
- spot
- distance
- reading
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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 (1)
| Publication Number | Publication Date |
|---|---|
| NO762892L true NO762892L (nl) | 1977-03-01 |
Family
ID=19824353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO762892A NO762892L (nl) | 1975-08-26 | 1976-08-23 |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5228303A (nl) |
| AT (1) | AT351819B (nl) |
| AU (1) | AU505280B2 (nl) |
| BE (1) | BE845468A (nl) |
| CA (1) | CA1082356A (nl) |
| CH (1) | CH612781A5 (nl) |
| DE (1) | DE2636464C2 (nl) |
| DK (1) | DK378976A (nl) |
| ES (1) | ES450938A1 (nl) |
| FR (1) | FR2322418A1 (nl) |
| GB (1) | GB1516285A (nl) |
| IT (1) | IT1071416B (nl) |
| NL (1) | NL7510035A (nl) |
| NO (1) | NO762892L (nl) |
| NZ (1) | NZ181831A (nl) |
| SE (1) | SE424235B (nl) |
| ZA (1) | ZA764771B (nl) |
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 |
| WO1984001849A1 (en) * | 1982-11-01 | 1984-05-10 | Storage Technology Partners | Fine and coarse servo system for access and tracking on an optical disk |
| 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 |
| DE69230168T2 (de) * | 1991-12-02 | 2000-04-20 | 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/nl 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 IT IT69069/76A patent/IT1071416B/it active
- 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 NZ NZ181831A patent/NZ181831A/xx unknown
- 1976-08-23 CH CH1068476A patent/CH612781A5/xx not_active IP Right Cessation
- 1976-08-23 DK DK378976A patent/DK378976A/da unknown
- 1976-08-23 NO NO762892A patent/NO762892L/no unknown
- 1976-08-23 SE SE7609291A patent/SE424235B/xx unknown
- 1976-08-24 AU AU17080/76A patent/AU505280B2/en not_active Expired
- 1976-08-24 BE BE170035A patent/BE845468A/xx not_active IP Right Cessation
- 1976-08-24 AT AT626776A patent/AT351819B/de not_active IP Right Cessation
- 1976-08-24 ES ES450938A patent/ES450938A1/es not_active Expired
- 1976-08-26 FR FR7625819A patent/FR2322418A1/fr active Granted
- 1976-08-26 JP JP51101175A patent/JPS5228303A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2636464C2 (de) | 1984-04-05 |
| SE424235B (sv) | 1982-07-05 |
| JPS5228303A (en) | 1977-03-03 |
| AU1708076A (en) | 1978-03-02 |
| NZ181831A (en) | 1980-09-12 |
| GB1516285A (en) | 1978-07-05 |
| ATA626776A (de) | 1979-01-15 |
| SE7609291L (sv) | 1977-02-27 |
| FR2322418B1 (nl) | 1981-09-25 |
| AT351819B (de) | 1979-08-10 |
| CA1082356A (en) | 1980-07-22 |
| FR2322418A1 (fr) | 1977-03-25 |
| BE845468A (fr) | 1977-02-24 |
| AU505280B2 (en) | 1979-11-15 |
| CH612781A5 (en) | 1979-08-15 |
| ZA764771B (en) | 1978-03-29 |
| IT1071416B (it) | 1985-04-10 |
| ES450938A1 (es) | 1977-12-01 |
| DK378976A (da) | 1977-02-27 |
| DE2636464A1 (de) | 1977-03-03 |
| NL7510035A (nl) | 1977-03-01 |
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