JPS4952612A - - Google Patents
Info
- Publication number
- JPS4952612A JPS4952612A JP5121873A JP5121873A JPS4952612A JP S4952612 A JPS4952612 A JP S4952612A JP 5121873 A JP5121873 A JP 5121873A JP 5121873 A JP5121873 A JP 5121873A JP S4952612 A JPS4952612 A JP S4952612A
- Authority
- JP
- Japan
- 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.)
- Granted
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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS4952612A true JPS4952612A (en) | 1974-05-22 |
| JPS5751162B2 JPS5751162B2 (en) | 1982-10-30 |
Family
ID=22990179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5121873A Expired JPS5751162B2 (en) | 1972-06-07 | 1973-05-10 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5751162B2 (en) |
| AU (1) | AU475711B2 (en) |
| BE (1) | BE799689A (en) |
| BR (1) | BR7304237D0 (en) |
| CA (1) | CA1020666A (en) |
| CH (1) | CH561448A5 (en) |
| DE (1) | DE2328025C3 (en) |
| DK (1) | DK143580C (en) |
| FR (1) | FR2188235B1 (en) |
| GB (1) | GB1404541A (en) |
| IT (1) | IT998117B (en) |
| NL (1) | NL181533C (en) |
| SE (1) | SE393208B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6297177A (en) * | 1985-10-24 | 1987-05-06 | Nec Corp | Magnetic tape device |
| US4805048A (en) * | 1986-11-10 | 1989-02-14 | Hitachi, Ltd. | Method for controlling to keep off defects on magnetic disks |
| JPH0612695A (en) * | 1992-03-30 | 1994-01-21 | Hitachi Ltd | Method for processing optical information |
Families Citing this family (5)
| 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 |
| JPS6095654A (en) * | 1983-10-28 | 1985-05-29 | Sharp Corp | Plural file managing system |
| DE3739161C2 (en) * | 1987-11-19 | 2000-06-15 | Grundig Ag | Method for recording and reproducing information signals on and from a recording medium |
| EP0845780A4 (en) * | 1995-08-18 | 1999-06-09 | Matsushita Electric Ind Co Ltd | Information recording/reproducing device and information recording/reproducing medium |
| KR20020041012A (en) * | 1999-10-28 | 2002-05-31 | 추후 | Sync byte padding |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS474054U (en) * | 1971-01-28 | 1972-09-08 |
Family Cites Families (2)
| 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 |
-
1973
- 1973-05-03 SE SE7306179A patent/SE393208B/en 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 GB GB2360773A patent/GB1404541A/en not_active Expired
- 1973-05-17 BE BE131241A patent/BE799689A/en not_active IP Right Cessation
- 1973-05-25 CH CH750773A patent/CH561448A5/xx not_active IP Right Cessation
- 1973-05-25 IT IT2458073A patent/IT998117B/en active
- 1973-05-28 AU AU56201/73A patent/AU475711B2/en not_active Expired
- 1973-06-01 DE DE19732328025 patent/DE2328025C3/en not_active Expired
- 1973-06-06 DK DK312973A patent/DK143580C/en active
- 1973-06-06 BR BR423773A patent/BR7304237D0/en unknown
- 1973-06-07 NL NL7307989A patent/NL181533C/en active Search and Examination
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS474054U (en) * | 1971-01-28 | 1972-09-08 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6297177A (en) * | 1985-10-24 | 1987-05-06 | Nec Corp | Magnetic tape device |
| US4805048A (en) * | 1986-11-10 | 1989-02-14 | Hitachi, Ltd. | Method for controlling to keep off defects on magnetic disks |
| JPH0612695A (en) * | 1992-03-30 | 1994-01-21 | Hitachi Ltd | Method for processing optical information |
| JPH0719393B2 (en) * | 1992-03-30 | 1995-03-06 | 株式会社日立製作所 | Optical information processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2328025B2 (en) | 1975-03-27 |
| DK143580B (en) | 1981-09-07 |
| FR2188235B1 (en) | 1976-11-12 |
| FR2188235A1 (en) | 1974-01-18 |
| DK143580C (en) | 1982-01-25 |
| BR7304237D0 (en) | 1974-07-25 |
| DE2328025C3 (en) | 1975-11-06 |
| NL181533B (en) | 1987-04-01 |
| CA1020666A (en) | 1977-11-08 |
| AU475711B2 (en) | 1976-09-02 |
| JPS5751162B2 (en) | 1982-10-30 |
| NL181533C (en) | 1987-09-01 |
| NL7307989A (en) | 1973-12-11 |
| BE799689A (en) | 1973-09-17 |
| IT998117B (en) | 1976-01-20 |
| DE2328025A1 (en) | 1973-12-20 |
| SE393208B (en) | 1977-05-02 |
| GB1404541A (en) | 1975-09-03 |
| AU5620173A (en) | 1974-11-28 |
| CH561448A5 (en) | 1975-04-30 |