DK140390C - - Google Patents
Info
- Publication number
- DK140390C DK140390C DK477773A DK477773A DK140390C DK 140390 C DK140390 C DK 140390C DK 477773 A DK477773 A DK 477773A DK 477773 A DK477773 A DK 477773A DK 140390 C DK140390 C DK 140390C
- Authority
- DK
- Denmark
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0916—Foucault or knife-edge methods
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7211999.A NL161284C (nl) | 1972-09-02 | 1972-09-02 | Weergavestelsel voor een optisch uitleesbare informatie- structuur, alsmede registratiedrager voor gebruik daarin. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK140390B DK140390B (da) | 1979-08-13 |
| DK140390C true DK140390C (pl) | 1980-01-14 |
Family
ID=19816849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK477773AA DK140390B (da) | 1972-09-02 | 1973-08-30 | Registreringsbærer, hvorpå information er registreret i en optisk struktur. |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US5068846A (pl) |
| JP (1) | JPS5232931B2 (pl) |
| AR (1) | AR200403A1 (pl) |
| AT (1) | AT349076B (pl) |
| BE (1) | BE804331A (pl) |
| BR (1) | BR7306708D0 (pl) |
| CA (1) | CA1029130A (pl) |
| CH (1) | CH572651A5 (pl) |
| DK (1) | DK140390B (pl) |
| ES (1) | ES418365A1 (pl) |
| FR (1) | FR2198202B1 (pl) |
| GB (1) | GB1446009A (pl) |
| IT (1) | IT990423B (pl) |
| NL (1) | NL161284C (pl) |
| NO (1) | NO141674C (pl) |
| PL (1) | PL84024B1 (pl) |
| SE (1) | SE398790B (pl) |
| YU (1) | YU39710B (pl) |
| ZA (1) | ZA734788B (pl) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL164688C (nl) * | 1973-10-15 | 1981-01-15 | Mca Disco Vision | Werkwijze voor de vervaardiging van een videoschijf waarbij uitgaande van een moedermatrijs eerst een vorm wordt vervaardigd. |
| US4038663A (en) * | 1975-09-23 | 1977-07-26 | U.S. Philips Corporation | Method of writing information with a modulated radiation beam onto an information storage medium and information storage medium particularly adapted to the method |
| DE2615605C2 (de) * | 1976-04-09 | 1978-06-01 | Polygram Gmbh, 2000 Hamburg | Scheibenförmiger Informationsträger und Verfahren zu seiner Herstellung |
| US4179532A (en) | 1976-04-09 | 1979-12-18 | Polygram Gmbh | Process for producing a disc-shaped information carrier which has information in the form of a beam-reflecting structure |
| US4310919A (en) * | 1979-01-15 | 1982-01-12 | Discovision Associates | Optical video disc structure |
| US4441179A (en) * | 1979-01-15 | 1984-04-03 | Discovision Associates | Optical video disc structure |
| US4447899A (en) * | 1980-06-18 | 1984-05-08 | Eastman Kodak Company | Optical disc method, media and apparatus for writing and/or reading information |
| JPS57179038U (pl) * | 1981-05-07 | 1982-11-12 | ||
| DE3127993A1 (de) * | 1981-07-15 | 1983-02-10 | Polygram Gmbh, 2000 Hamburg | Plattenfoermiger optisch auslesbarer informationstraeger hoher speicherdichte |
| JPS5849335U (ja) * | 1981-09-30 | 1983-04-02 | 日本コロムビア株式会社 | 光学デイスク |
| JPH0745159B2 (ja) * | 1985-11-08 | 1995-05-17 | ソニー株式会社 | デイスクの射出成形方法及び射出成形装置 |
| US5748598A (en) * | 1995-12-22 | 1998-05-05 | Massachusetts Institute Of Technology | Apparatus and methods for reading multilayer storage media using short coherence length sources |
| US5757763A (en) * | 1994-07-12 | 1998-05-26 | Massachusetts Institute Of Technology | Optical information storage via amplitude modulation |
| US5995481A (en) * | 1995-09-12 | 1999-11-30 | Wea Manufacturing Inc. | Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs |
| US5729533A (en) * | 1995-09-12 | 1998-03-17 | Wae Manufacturing Inc. | Two-sided, light-readable information recording disc stacks and methods of making same |
| US5958651A (en) * | 1996-07-11 | 1999-09-28 | Wea Manufacturing Inc. | Methods for providing artwork on plastic information discs |
| US5900098A (en) * | 1996-10-11 | 1999-05-04 | Wea Manufacturing Inc. | Methods for bonding structurally dissimilar optical discs |
| US5766495A (en) * | 1997-03-13 | 1998-06-16 | Wea Manufacturing Inc. | Methods for providing generic and specific artwork on plastic information discs |
| US6440248B1 (en) * | 1998-02-02 | 2002-08-27 | Wea Manufacturing Inc. | Two-sided graphical image DVDs and methods for making same |
| US5997976A (en) * | 1998-02-12 | 1999-12-07 | Wea Manufacturing Inc. | Etched mold surface for use in making light-readable discs |
| US6124011A (en) * | 1998-09-03 | 2000-09-26 | Wea Manufacturing, Inc. | Information-bearing discs and methods of fabrication |
| US20030156532A1 (en) * | 2000-05-01 | 2003-08-21 | Wea Manufacturing Inc. | Interference of converging spherical waves with application to the design of light-readable information recording media and systems for reading such media |
| KR100848610B1 (ko) | 2000-05-01 | 2008-07-28 | 웨아 매뉴팩츄어링 인코오포레이티드 | 수렴성 구면파의 간섭을 응용하여 설계한 광판독형 정보 기록 매체 및 상기 매체를 판독하는 시스템 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1967882A (en) * | 1929-08-01 | 1934-07-24 | Jr John Hays Hammond | Photo-electric system for recording and reproducing sound |
| US1898040A (en) * | 1931-09-15 | 1933-02-21 | Rca Corp | Production of sound and sound picture record |
| US2092892A (en) * | 1935-12-31 | 1937-09-14 | Rca Corp | Phonographic apparatus |
| US2595670A (en) * | 1949-02-11 | 1952-05-06 | Bell Telephone Labor Inc | Reflecting surface bonded to a film |
| US3174140A (en) * | 1959-07-01 | 1965-03-16 | Ibm | Magneto-optical recording and readout device |
| DE1185233B (de) * | 1962-09-28 | 1965-01-14 | Siemens Ag | Optisch-elektronischer Wandler zur Herleitung elektrischer Signale aus gespeicherten Informationen zugeordneten Dickenunterschieden eines verformbaren, vorzugsweise thermoplastischen Speichermediums |
| FR1396999A (fr) * | 1963-07-17 | 1965-04-23 | Procédé d'enregistrement et de reproduction de pistes donnant le son et la lumière par emploi de rayons d'un laser | |
| US3795902A (en) * | 1966-09-01 | 1974-03-05 | Battelle Development Corp | Method and apparatus for synchronizing photographic records of digital information |
| US3430966A (en) * | 1967-04-03 | 1969-03-04 | Gauss Electrophysics Inc | Transparent recording disc |
| US3534166A (en) * | 1967-08-04 | 1970-10-13 | Zenith Radio Corp | Television picture recording and replay system |
| US3518442A (en) * | 1968-06-06 | 1970-06-30 | Gauss Electrophysics Inc | Video playback assembly wherein the record disc has optical recordings on both sides |
| US3665483A (en) * | 1969-06-06 | 1972-05-23 | Chase Manhattan Capital Corp | Laser recording medium |
| FR2069448A5 (pl) * | 1969-11-15 | 1971-09-03 | Licentia Gmbh | |
| US3696344A (en) * | 1970-02-19 | 1972-10-03 | Energy Conversion Devices Inc | Optical mass memory employing amorphous thin films |
| US3626386A (en) * | 1970-03-05 | 1971-12-07 | Energy Conversion Devices Inc | Information storage systems |
| US3665425A (en) * | 1970-03-09 | 1972-05-23 | Energy Conversion Devices Inc | Information storage systems utilizing amorphous thin films |
| US3636526A (en) * | 1970-06-08 | 1972-01-18 | Energy Conversion Devices Inc | Information-recording system employing amorphous materials |
| DE2031515C3 (de) * | 1970-06-25 | 1982-04-15 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Auslesen von Informationen |
| US4041530A (en) * | 1971-03-04 | 1977-08-09 | U.S. Philips Corporation | Video disc with phase structure |
| NL172202C (nl) * | 1971-03-11 | 1983-07-18 | Philips Nv | Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen. |
| US3999009A (en) * | 1971-03-11 | 1976-12-21 | U.S. Philips Corporation | Apparatus for playing a transparent optically encoded multilayer information carrying disc |
| FR2133273A5 (pl) * | 1971-04-15 | 1972-11-24 | Renault Jacques | |
| US4010317A (en) * | 1972-03-29 | 1977-03-01 | U.S. Philips Corporation | Apparatus for reading a record carrier in which information, for example video and/or audio information, is recorded in at least one track |
| AR205243A1 (es) * | 1972-05-11 | 1976-04-21 | Philips Nv | Aparato para la lectura de un portador de grabacion reflector plano |
| NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
| US3848095A (en) * | 1972-12-20 | 1974-11-12 | I O Metrics Corp | Three dimensional electro-optical retrieval system |
-
1972
- 1972-09-02 NL NL7211999.A patent/NL161284C/xx not_active IP Right Cessation
-
1973
- 1973-07-11 AR AR249026A patent/AR200403A1/es active
- 1973-07-13 ZA ZA00734788A patent/ZA734788B/xx unknown
- 1973-08-29 FR FR7331192A patent/FR2198202B1/fr not_active Expired
- 1973-08-29 NO NO3402/73A patent/NO141674C/no unknown
- 1973-08-30 BR BR6708/73A patent/BR7306708D0/pt unknown
- 1973-08-30 PL PL1973164932A patent/PL84024B1/pl unknown
- 1973-08-30 SE SE7311795A patent/SE398790B/xx unknown
- 1973-08-30 IT IT52242/73A patent/IT990423B/it active
- 1973-08-30 AT AT755673A patent/AT349076B/de active
- 1973-08-30 CA CA180,006A patent/CA1029130A/en not_active Expired
- 1973-08-30 DK DK477773AA patent/DK140390B/da unknown
- 1973-08-30 YU YU2316/73A patent/YU39710B/xx unknown
- 1973-08-30 CH CH1246673A patent/CH572651A5/xx not_active IP Right Cessation
- 1973-08-31 BE BE135214A patent/BE804331A/xx not_active IP Right Cessation
- 1973-08-31 ES ES418365A patent/ES418365A1/es not_active Expired
- 1973-08-31 GB GB4111473A patent/GB1446009A/en not_active Expired
- 1973-08-31 JP JP48097430A patent/JPS5232931B2/ja not_active Expired
-
1988
- 1988-04-23 US US06/858,550 patent/US5068846A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO141674B (no) | 1980-01-07 |
| NL161284B (nl) | 1979-08-15 |
| CH572651A5 (pl) | 1976-02-13 |
| FR2198202A1 (pl) | 1974-03-29 |
| GB1446009A (en) | 1976-08-11 |
| ATA755673A (de) | 1978-08-15 |
| BR7306708D0 (pt) | 1974-07-25 |
| NL7211999A (pl) | 1974-03-05 |
| PL84024B1 (pl) | 1976-02-28 |
| DK140390B (da) | 1979-08-13 |
| AU5974573A (en) | 1975-03-06 |
| YU231673A (en) | 1982-06-30 |
| DE2341338B2 (de) | 1977-06-16 |
| NO141674C (no) | 1980-04-16 |
| AR200403A1 (es) | 1974-11-08 |
| NL161284C (nl) | 1980-01-15 |
| US5068846A (en) | 1991-11-26 |
| BE804331A (fr) | 1974-02-28 |
| ES418365A1 (es) | 1976-04-01 |
| DE2341338A1 (de) | 1974-03-07 |
| SE398790B (sv) | 1978-01-16 |
| JPS5232931B2 (pl) | 1977-08-25 |
| JPS4968703A (pl) | 1974-07-03 |
| AT349076B (de) | 1979-03-26 |
| YU39710B (en) | 1985-04-30 |
| ZA734788B (en) | 1975-02-26 |
| CA1029130A (en) | 1978-04-04 |
| FR2198202B1 (pl) | 1979-08-03 |
| IT990423B (it) | 1975-06-20 |