CH672856A5 - - Google Patents
Download PDFInfo
- Publication number
- CH672856A5 CH672856A5 CH155186A CH155186A CH672856A5 CH 672856 A5 CH672856 A5 CH 672856A5 CH 155186 A CH155186 A CH 155186A CH 155186 A CH155186 A CH 155186A CH 672856 A5 CH672856 A5 CH 672856A5
- Authority
- CH
- Switzerland
- Prior art keywords
- information
- recording
- recorded
- head
- track
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 32
- 238000012795 verification Methods 0.000 claims description 28
- 238000012937 correction Methods 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 description 5
- 230000011664 signaling Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G11B20/1879—Direct read-after-write methods
-
- 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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- 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)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8184485A JPS61240408A (ja) | 1985-04-17 | 1985-04-17 | 記録情報確認方法 |
| JP8526085A JPS61243991A (ja) | 1985-04-21 | 1985-04-21 | 情報記録再生方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH672856A5 true CH672856A5 (enrdf_load_stackoverflow) | 1989-12-29 |
Family
ID=26422842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH155186A CH672856A5 (enrdf_load_stackoverflow) | 1985-04-17 | 1986-04-17 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1268252A (enrdf_load_stackoverflow) |
| CH (1) | CH672856A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3612815A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2580850B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2175123B (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4872154A (en) * | 1986-09-22 | 1989-10-03 | Canon Kabushiki Kaisha | Method for recording indicia for indicating presence or absence of error in medium after error checking and apparatus therefor |
| JPH0828046B2 (ja) * | 1987-01-30 | 1996-03-21 | オリンパス光学工業株式会社 | カ−ド状記録媒体へのデ−タ記録方法 |
| CA1302563C (en) * | 1987-03-31 | 1992-06-02 | Yutaka Ogasawara | Information recording method and apparatus for re- recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detected |
| JPH087948B2 (ja) * | 1987-12-28 | 1996-01-29 | キヤノン株式会社 | 情報記録再生方法 |
| JPH02192077A (ja) * | 1989-01-19 | 1990-07-27 | Sharp Corp | データ記録／再生装置 |
| JP2593721B2 (ja) * | 1990-01-08 | 1997-03-26 | 松下電器産業株式会社 | 情報記録再生装置 |
| JP3020758B2 (ja) * | 1992-09-24 | 2000-03-15 | キヤノン株式会社 | 光学的情報記録再生装置 |
| US5808991A (en) * | 1995-03-06 | 1998-09-15 | Canon Kabushiki Kaisha | Optical information recording and reproducing apparatus and method which enable recording and verifying at the same time |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582627A (en) * | 1969-06-16 | 1971-06-01 | Burroughs Corp | Automatic accounting machine |
| US3771143A (en) * | 1972-06-01 | 1973-11-06 | Burroughs Corp | Method and apparatus for providing alternate storage areas on a magnetic disk pack |
| JPS5061937A (enrdf_load_stackoverflow) * | 1973-09-29 | 1975-05-27 | ||
| US3918027A (en) * | 1974-06-24 | 1975-11-04 | Honeywell Inf Systems | Scanning and error checking apparatus for address development utilizing symmetric difference encoded data structure |
| JPS6016027B2 (ja) * | 1977-11-18 | 1985-04-23 | ソニー株式会社 | タイムコ−ド読取装置 |
| JPS60370A (ja) * | 1983-06-16 | 1985-01-05 | Victor Co Of Japan Ltd | 円盤状情報記録媒体の欠陥検査装置 |
| US4685005A (en) * | 1983-07-18 | 1987-08-04 | International Business Machines Corporation | Two-module-read, read-after-write, bi-directional tape drive |
-
1986
- 1986-04-14 CA CA000506585A patent/CA1268252A/en not_active Expired
- 1986-04-16 FR FR8605450A patent/FR2580850B1/fr not_active Expired - Lifetime
- 1986-04-16 DE DE19863612815 patent/DE3612815A1/de not_active Ceased
- 1986-04-17 CH CH155186A patent/CH672856A5/fr not_active IP Right Cessation
- 1986-04-17 GB GB8609393A patent/GB2175123B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1268252A (en) | 1990-04-24 |
| GB2175123B (en) | 1989-04-26 |
| GB8609393D0 (en) | 1986-05-21 |
| FR2580850B1 (fr) | 1994-02-18 |
| FR2580850A1 (fr) | 1986-10-24 |
| GB2175123A (en) | 1986-11-19 |
| DE3612815A1 (de) | 1986-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |