CH561448A5 - - Google Patents
Info
- Publication number
- CH561448A5 CH561448A5 CH750773A CH750773A CH561448A5 CH 561448 A5 CH561448 A5 CH 561448A5 CH 750773 A CH750773 A CH 750773A CH 750773 A CH750773 A CH 750773A CH 561448 A5 CH561448 A5 CH 561448A5
- Authority
- CH
- Switzerland
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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26068472A | 1972-06-07 | 1972-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH561448A5 true CH561448A5 (xx) | 1975-04-30 |
Family
ID=22990179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH750773A CH561448A5 (xx) | 1972-06-07 | 1973-05-25 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5751162B2 (xx) |
| AU (1) | AU475711B2 (xx) |
| BE (1) | BE799689A (xx) |
| BR (1) | BR7304237D0 (xx) |
| CA (1) | CA1020666A (xx) |
| CH (1) | CH561448A5 (xx) |
| DE (1) | DE2328025C3 (xx) |
| DK (1) | DK143580C (xx) |
| FR (1) | FR2188235B1 (xx) |
| GB (1) | GB1404541A (xx) |
| IT (1) | IT998117B (xx) |
| NL (1) | NL181533C (xx) |
| SE (1) | SE393208B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0140696A2 (en) * | 1983-10-28 | 1985-05-08 | Sharp Kabushiki Kaisha | Data filing system |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073935B (en) * | 1980-04-11 | 1983-12-21 | Rca Corp | Tape format to facilitate error concealment and apparatus for recording and/or replaying same |
| JPS6297177A (ja) * | 1985-10-24 | 1987-05-06 | Nec Corp | 磁気テ−プ装置 |
| JPH0668886B2 (ja) * | 1986-11-10 | 1994-08-31 | 株式会社日立製作所 | 磁気デイスクの欠陥回避制御方式 |
| DE3739161C2 (de) * | 1987-11-19 | 2000-06-15 | Grundig Ag | Verfahren zur Aufzeichnung und Wiedergabe von Informationssignalen auf ein bzw. von einem Aufzeichnungsmedium |
| JPH0719393B2 (ja) * | 1992-03-30 | 1995-03-06 | 株式会社日立製作所 | 光学的情報処理方法 |
| EP0845780A4 (en) * | 1995-08-18 | 1999-06-09 | Matsushita Electric Ind Co Ltd | INFORMATION RECORDING AND REPRODUCING DEVICE AND INFORMATION RECORDING AND REPRODUCING MEDIUM |
| WO2001031651A1 (en) * | 1999-10-28 | 2001-05-03 | Seagate Technology Llc | Sync byte padding |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937368A (en) * | 1956-12-12 | 1960-05-17 | Bell Telephone Labor Inc | Means for detecting marking and bypassing defective areas in a magnetic record medium |
| US3588855A (en) * | 1968-10-14 | 1971-06-28 | Ibm | Data gap responding apparatus |
| JPS474054U (xx) * | 1971-01-28 | 1972-09-08 |
-
1973
- 1973-05-03 SE SE7306179A patent/SE393208B/xx unknown
- 1973-05-10 JP JP5121873A patent/JPS5751162B2/ja not_active Expired
- 1973-05-11 FR FR7317612A patent/FR2188235B1/fr not_active Expired
- 1973-05-15 CA CA171,583A patent/CA1020666A/en not_active Expired
- 1973-05-17 BE BE131241A patent/BE799689A/xx not_active IP Right Cessation
- 1973-05-17 GB GB2360773A patent/GB1404541A/en not_active Expired
- 1973-05-25 CH CH750773A patent/CH561448A5/xx not_active IP Right Cessation
- 1973-05-25 IT IT2458073A patent/IT998117B/it active
- 1973-05-28 AU AU56201/73A patent/AU475711B2/en not_active Expired
- 1973-06-01 DE DE19732328025 patent/DE2328025C3/de not_active Expired
- 1973-06-06 BR BR423773A patent/BR7304237D0/pt unknown
- 1973-06-06 DK DK312973A patent/DK143580C/da active
- 1973-06-07 NL NL7307989A patent/NL181533C/xx active Search and Examination
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0140696A2 (en) * | 1983-10-28 | 1985-05-08 | Sharp Kabushiki Kaisha | Data filing system |
| EP0140696A3 (en) * | 1983-10-28 | 1985-07-17 | Sharp Kabushiki Kaisha | Data filing system |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7307989A (xx) | 1973-12-11 |
| CA1020666A (en) | 1977-11-08 |
| DE2328025C3 (de) | 1975-11-06 |
| AU5620173A (en) | 1974-11-28 |
| FR2188235A1 (xx) | 1974-01-18 |
| NL181533B (nl) | 1987-04-01 |
| JPS4952612A (xx) | 1974-05-22 |
| SE393208B (sv) | 1977-05-02 |
| JPS5751162B2 (xx) | 1982-10-30 |
| DE2328025A1 (de) | 1973-12-20 |
| FR2188235B1 (xx) | 1976-11-12 |
| GB1404541A (en) | 1975-09-03 |
| DE2328025B2 (de) | 1975-03-27 |
| DK143580B (da) | 1981-09-07 |
| IT998117B (it) | 1976-01-20 |
| NL181533C (nl) | 1987-09-01 |
| AU475711B2 (en) | 1976-09-02 |
| BE799689A (fr) | 1973-09-17 |
| DK143580C (da) | 1982-01-25 |
| BR7304237D0 (pt) | 1974-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |