FR2508217B1 - Dispositif et procede d'enregistrement d'informations sur un disque - Google Patents
Dispositif et procede d'enregistrement d'informations sur un disqueInfo
- Publication number
- FR2508217B1 FR2508217B1 FR828210731A FR8210731A FR2508217B1 FR 2508217 B1 FR2508217 B1 FR 2508217B1 FR 828210731 A FR828210731 A FR 828210731A FR 8210731 A FR8210731 A FR 8210731A FR 2508217 B1 FR2508217 B1 FR 2508217B1
- Authority
- FR
- France
- Prior art keywords
- disc
- recording information
- recording
- information
- Prior art date
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B7/0045—Recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Rotational Drive Of Disk (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56094428A JPS57208639A (en) | 1981-06-18 | 1981-06-18 | Recording method of disk |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2508217A1 FR2508217A1 (fr) | 1982-12-24 |
FR2508217B1 true FR2508217B1 (fr) | 1989-07-13 |
Family
ID=14109954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR828210731A Expired FR2508217B1 (fr) | 1981-06-18 | 1982-06-18 | Dispositif et procede d'enregistrement d'informations sur un disque |
Country Status (3)
Country | Link |
---|---|
US (1) | US4532621A (fr) |
JP (1) | JPS57208639A (fr) |
FR (1) | FR2508217B1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5819713A (ja) * | 1981-07-29 | 1983-02-04 | Olympus Optical Co Ltd | デイスク上の読み出しデ−タ長等価方式 |
JPS59186138A (ja) * | 1983-04-06 | 1984-10-22 | Konishiroku Photo Ind Co Ltd | 光学的情報記録再生装置 |
JPS59207470A (ja) * | 1983-05-12 | 1984-11-24 | Olympus Optical Co Ltd | ヘツド送り制御装置 |
JPS60177404A (ja) * | 1984-02-23 | 1985-09-11 | Toshiba Corp | デイスク装置 |
GB2164780B (en) * | 1984-09-17 | 1988-05-25 | Sony Corp | Methods of recording and reproducing audio signals |
US4918677A (en) * | 1985-01-23 | 1990-04-17 | Canon Kabushiki Kaisha | Information recording/reproducing apparatus including a plurality of recording or reproducing rates |
JPH06101199B2 (ja) * | 1985-10-03 | 1994-12-12 | 株式会社東芝 | デイスク装置 |
EP0228646A3 (en) * | 1985-12-20 | 1987-10-14 | Hitachi, Ltd. | A signal processing apparatus for disc memory devices |
US4980882A (en) * | 1987-04-06 | 1990-12-25 | Storage Technology Corporation Partners Ii | Optical disk for detesting and distinguishing servo tracks from data tracks |
US4871903A (en) * | 1987-07-31 | 1989-10-03 | General Electric Company | Apparatus for rapidly accessing a large data base employing an optical disc reading system with multiple heads and track position compensation means |
US5153869A (en) * | 1988-12-27 | 1992-10-06 | Kabushiki Kaisha Toshiba | Apparatus for recording information on an optical disk with a modified constant linear density system |
US5239533A (en) * | 1989-01-06 | 1993-08-24 | Kabushiki Kaisha Toshiba | Information recording medium |
JP2721228B2 (ja) * | 1989-03-01 | 1998-03-04 | 株式会社東芝 | 情報記録装置 |
JP2721229B2 (ja) * | 1989-03-01 | 1998-03-04 | 株式会社東芝 | 情報記録装置 |
JPH03201264A (ja) * | 1989-12-27 | 1991-09-03 | Sony Corp | 光ディスク装置 |
JPH056575A (ja) * | 1991-06-28 | 1993-01-14 | Toshiba Corp | 情報記憶媒体 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2901737A (en) * | 1955-11-01 | 1959-08-25 | Sperry Rand Corp | Disk recording compensating devices |
FR2019358A1 (fr) * | 1968-08-21 | 1970-07-03 | Optical Devices Cy | |
JPS5841710B2 (ja) * | 1973-03-16 | 1983-09-13 | ソニー株式会社 | ジヨウホウシンゴウキロクホウホウ |
SE7405076L (sv) * | 1974-04-16 | 1975-10-17 | Erik Gerhard Natanel Westberg | Optiskt massdataminne. |
JPS5169614A (ja) * | 1974-12-13 | 1976-06-16 | Fujitsu Ltd | Kiokuseigyohoshiki |
JPS6011374B2 (ja) * | 1975-02-05 | 1985-03-25 | 株式会社日立製作所 | 情報再生方法及びその装置 |
JPS5363002A (en) * | 1976-11-18 | 1978-06-06 | Sony Corp | Signal recording system and disk type medium for recording signal |
JPS5369006A (en) * | 1976-11-30 | 1978-06-20 | Sony Corp | Reproducer of disc form signal recording media |
AU520835B2 (en) * | 1977-03-24 | 1982-03-04 | World Development Laboratories | Optical recording system and method |
US4161753A (en) * | 1977-07-08 | 1979-07-17 | International Business Machines Corporation | Video recording disk with interlacing of data for frames on the same track |
US4228326A (en) * | 1978-11-16 | 1980-10-14 | Mca Discovision Inc. | System for recording information on a rotatable storage disc, in a substantially uniform recording density |
US4223349A (en) * | 1978-11-16 | 1980-09-16 | Mca Discovision, Inc. | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate |
JPS55125516A (en) * | 1979-03-20 | 1980-09-27 | Ricoh Co Ltd | Memory control system |
JPS55125515A (en) * | 1979-03-20 | 1980-09-27 | Ricoh Co Ltd | Memory control method |
GB2046495B (en) * | 1979-04-11 | 1983-04-20 | Burroughs Corp | High storage density disc file |
JPS5671856A (en) * | 1979-11-15 | 1981-06-15 | Sony Corp | Playback device of disc |
-
1981
- 1981-06-18 JP JP56094428A patent/JPS57208639A/ja active Pending
-
1982
- 1982-06-14 US US06/388,507 patent/US4532621A/en not_active Expired - Lifetime
- 1982-06-18 FR FR828210731A patent/FR2508217B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2508217A1 (fr) | 1982-12-24 |
US4532621A (en) | 1985-07-30 |
JPS57208639A (en) | 1982-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name |