HK78586A - Information record and a method of reversibly recording and erasing information thereon - Google Patents
Information record and a method of reversibly recording and erasing information thereonInfo
- Publication number
- HK78586A HK78586A HK78586A HK78586A HK78586A HK 78586 A HK78586 A HK 78586A HK 78586 A HK78586 A HK 78586A HK 78586 A HK78586 A HK 78586A HK 78586 A HK78586 A HK 78586A
- Authority
- HK
- Hong Kong
- Prior art keywords
- information
- erasing
- reversibly recording
- record
- information record
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/705—Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
-
- 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
- G11B7/0055—Erasing
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8015932 | 1980-05-14 | ||
US17484480A | 1980-08-04 | 1980-08-04 | |
US25464981A | 1981-04-16 | 1981-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK78586A true HK78586A (en) | 1986-10-24 |
Family
ID=27260916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK78586A HK78586A (en) | 1980-05-14 | 1986-10-16 | Information record and a method of reversibly recording and erasing information thereon |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3118058A1 (es) |
FR (1) | FR2482756B1 (es) |
GB (1) | GB2079031B (es) |
HK (1) | HK78586A (es) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983001700A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Deposition techniques for archival recording media for digital data storage |
WO1983001704A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Archival recording media with improved information layer and associated substrate |
JPS58501884A (ja) * | 1981-11-09 | 1983-11-04 | バロ−ス・コ−ポレ−ション | 低出力放射を用いるディジタルデ−タストレ−ジのための記録保管記録媒体 |
WO1983001703A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Method of archival data recording and related media |
WO1983001699A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Archival data recording system using low power radiation and related media |
WO1983001702A1 (en) * | 1981-11-09 | 1983-05-11 | Burroughs Corp | Preparation of archival recording media for digital data storage |
DE3242315A1 (de) * | 1981-11-23 | 1983-06-01 | RCA Corp., 10020 New York, N.Y. | Optisches speichermedium |
GB2121227A (en) * | 1982-05-11 | 1983-12-14 | Nigel Geoffrey Ley | Optical memory recording disc |
JPS5936338A (ja) * | 1982-08-24 | 1984-02-28 | Matsushita Electric Ind Co Ltd | 光デイスク記録再生方法 |
JPS5968844A (ja) * | 1982-10-14 | 1984-04-18 | Matsushita Electric Ind Co Ltd | 光学的可逆記録再生装置 |
NL8204291A (nl) * | 1982-11-05 | 1984-06-01 | Philips Nv | Optisch registratie-element. |
WO1984002794A1 (en) * | 1982-12-31 | 1984-07-19 | Minnesota Mining & Mfg | Recording medium for optical data storage |
DE3416607C2 (de) * | 1983-05-04 | 1995-03-16 | Matsushita Electric Ind Co Ltd | Optische Speicherplatte und Verfahren zu deren Herstellung |
US4547444A (en) * | 1983-12-23 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Recording element for optical data storage |
US4777068A (en) * | 1984-08-10 | 1988-10-11 | Canon Kabushiki Kaisha | Optical recording medium |
JPS6180640A (ja) * | 1984-09-28 | 1986-04-24 | Canon Inc | 光学的記録媒体 |
JPH0619856B2 (ja) * | 1984-11-09 | 1994-03-16 | 株式会社日立製作所 | 情報記録媒体 |
DE3601265A1 (de) * | 1985-01-18 | 1986-07-24 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Optisches system fuer informationsaufzeichnung |
EP0766239B1 (en) | 1985-07-08 | 2000-12-27 | Energy Conversion Devices, Inc. | A data storage device |
SU1628081A1 (ru) * | 1986-02-07 | 1991-02-15 | Институт Проблем Моделирования В Энергетике Ан Усср | Носитель информации оптического запоминающего устройства |
US4864555A (en) * | 1986-02-07 | 1989-09-05 | Petrov Vyacheslav V | Optical information carrier, method for erasing information therein, and optical storage device realizing this method |
US4839883A (en) * | 1986-06-30 | 1989-06-13 | Matsushita Electric Ind. Co., Ltd. | Optical information recording medium |
JP2512087B2 (ja) * | 1988-06-24 | 1996-07-03 | 株式会社日立製作所 | 光記録媒体および光記録方法 |
JP2538647B2 (ja) * | 1988-07-22 | 1996-09-25 | 富士通株式会社 | 光ディスク媒体 |
US5155723A (en) * | 1988-07-30 | 1992-10-13 | Yuden Co., Ltd. Taiyo | Optical information recording method and medium |
US4940618A (en) * | 1988-07-30 | 1990-07-10 | Taiyo Yuden Company, Ltd. | Optical information recording medium |
US5090009A (en) * | 1988-07-30 | 1992-02-18 | Taiyo Yuden Co., Ltd. | Optical information recording medium |
US5191565A (en) * | 1989-06-19 | 1993-03-02 | Matsushita Electric Industrial Co., Ltd. | Optical information recording medium |
DE3929699A1 (de) * | 1989-09-07 | 1991-03-14 | Basf Ag | Aufzeichnungsmedium sowie wiedergabemethode fuer reversible optische aufzeichnung |
US5364829A (en) * | 1991-08-30 | 1994-11-15 | Matsushita Electric Industrial Co., Ltd. | Rewritable recording medium and a method of recording in the same |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3651281A (en) * | 1969-06-06 | 1972-03-21 | Carl H Becker | Laser recording system using photomagnetically magnetizable storage medium |
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 |
CH554582A (de) * | 1973-03-30 | 1974-09-30 | Ibm | Verfahren und einrichtung zum optischen speichern und auslesen binaerer information. |
FR2271617B1 (es) * | 1974-05-15 | 1976-10-15 | Thomson Brandt | |
US4125860A (en) * | 1975-06-16 | 1978-11-14 | Nippon Telegraph And Telephone Public Corporation | Reproducer for an eraseable videodisc |
US4101907A (en) * | 1977-08-29 | 1978-07-18 | Rca Corporation | Overcoat structure for optical video disc |
US4189735A (en) * | 1978-02-24 | 1980-02-19 | Rca Corporation | Record playback apparatus and information record therefor |
JPS5528530A (en) * | 1978-08-17 | 1980-02-29 | Matsushita Electric Ind Co Ltd | Optical information recording method |
US4264986A (en) * | 1979-03-12 | 1981-04-28 | Willis Craig I | Information-recording process & apparatus |
-
1981
- 1981-05-07 DE DE19813118058 patent/DE3118058A1/de active Granted
- 1981-05-13 FR FR8109480A patent/FR2482756B1/fr not_active Expired
- 1981-05-13 GB GB8114615A patent/GB2079031B/en not_active Expired
-
1986
- 1986-10-16 HK HK78586A patent/HK78586A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3118058A1 (de) | 1982-03-11 |
FR2482756A1 (fr) | 1981-11-20 |
DE3118058C2 (es) | 1989-05-18 |
GB2079031B (en) | 1984-08-08 |
GB2079031A (en) | 1982-01-13 |
FR2482756B1 (fr) | 1989-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |