DE69222600D1 - Magnetisches Aufzeichnungs-/Wiedergabegerät - Google Patents
Magnetisches Aufzeichnungs-/WiedergabegerätInfo
- Publication number
- DE69222600D1 DE69222600D1 DE69222600T DE69222600T DE69222600D1 DE 69222600 D1 DE69222600 D1 DE 69222600D1 DE 69222600 T DE69222600 T DE 69222600T DE 69222600 T DE69222600 T DE 69222600T DE 69222600 D1 DE69222600 D1 DE 69222600D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic recording
- playback device
- regenerative
- preerase
- stabilized
- 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 - Fee Related
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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- G11B20/10—Digital recording or reproducing
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
-
- 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
- G11B5/016—Recording on, or reproducing or erasing from, magnetic disks using magnetic foils
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17875691A JPH052708A (ja) | 1991-06-24 | 1991-06-24 | 磁気記録再生装置 |
JP17875491A JPH052707A (ja) | 1991-06-24 | 1991-06-24 | 磁気記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69222600D1 true DE69222600D1 (de) | 1997-11-13 |
DE69222600T2 DE69222600T2 (de) | 1998-02-05 |
Family
ID=26498846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69222600T Expired - Fee Related DE69222600T2 (de) | 1991-06-24 | 1992-06-24 | Magnetisches Aufzeichnungs-/Wiedergabegerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US5359470A (de) |
EP (1) | EP0528140B1 (de) |
KR (1) | KR100268624B1 (de) |
DE (1) | DE69222600T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7088537B2 (en) * | 2004-03-09 | 2006-08-08 | Seagate Technology Llc | Removing residual magnetization in a data transducer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471403A (en) * | 1983-10-04 | 1984-09-11 | The United States Of America As Represented By The United States Department Of Energy | Biasing and fast degaussing circuit for magnetic materials |
US5214545A (en) * | 1983-11-02 | 1993-05-25 | Canon Kabushiki Kaisha | Signal erasing apparatus |
JPH0610845B2 (ja) * | 1984-02-18 | 1994-02-09 | ティアツク株式会社 | デジタル磁気記録再生装置 |
JPS6139906A (ja) * | 1984-07-31 | 1986-02-26 | Toshiba Corp | 磁気記録再生装置 |
US4821127A (en) * | 1985-10-18 | 1989-04-11 | Fuji Photo Film Co., Ltd. | Demagnetizing apparatus for erasing signals recorded on concentric tracks |
JPS63104262A (ja) * | 1986-10-22 | 1988-05-09 | Asaka:Kk | デイスク状情報記録再生装置 |
JPH0264903A (ja) * | 1988-08-30 | 1990-03-05 | Toshiba Corp | 磁気記録再生装置のデータ書込み回路 |
US4970621A (en) * | 1988-09-09 | 1990-11-13 | Hewlett-Packard Company | Demagnetization of thin film magnetic recording transducers utilizing a decreasing AC current |
US4956788A (en) * | 1988-11-28 | 1990-09-11 | University Of The Pacific | PC-based FT/ICR system |
US5168395A (en) * | 1990-05-02 | 1992-12-01 | International Business Machines Corporation | Controlled magnetic recording head relaxation in a magnetic recording system |
-
1992
- 1992-06-22 US US07/901,939 patent/US5359470A/en not_active Expired - Fee Related
- 1992-06-23 KR KR1019920010877A patent/KR100268624B1/ko not_active IP Right Cessation
- 1992-06-24 DE DE69222600T patent/DE69222600T2/de not_active Expired - Fee Related
- 1992-06-24 EP EP92110595A patent/EP0528140B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0528140B1 (de) | 1997-10-08 |
KR930001183A (ko) | 1993-01-16 |
US5359470A (en) | 1994-10-25 |
DE69222600T2 (de) | 1998-02-05 |
KR100268624B1 (ko) | 2000-10-16 |
EP0528140A3 (en) | 1993-11-03 |
EP0528140A2 (de) | 1993-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |