DE69021091D1 - Spurenzählvorrichtung für optische Scheiben. - Google Patents
Spurenzählvorrichtung für optische Scheiben.Info
- Publication number
- DE69021091D1 DE69021091D1 DE69021091T DE69021091T DE69021091D1 DE 69021091 D1 DE69021091 D1 DE 69021091D1 DE 69021091 T DE69021091 T DE 69021091T DE 69021091 T DE69021091 T DE 69021091T DE 69021091 D1 DE69021091 D1 DE 69021091D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disks
- track counter
- track
- counter
- disks
- 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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1003167A JP2562195B2 (ja) | 1989-01-10 | 1989-01-10 | 光ディスクのトラックカウンタ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69021091D1 true DE69021091D1 (de) | 1995-08-31 |
DE69021091T2 DE69021091T2 (de) | 1996-02-08 |
Family
ID=11549813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69021091T Expired - Fee Related DE69021091T2 (de) | 1989-01-10 | 1990-01-10 | Spurenzählvorrichtung für optische Scheiben. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5001732A (de) |
EP (1) | EP0378394B1 (de) |
JP (1) | JP2562195B2 (de) |
KR (1) | KR920008462B1 (de) |
CA (1) | CA2006806C (de) |
DE (1) | DE69021091T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02230567A (ja) * | 1989-03-02 | 1990-09-12 | Olympus Optical Co Ltd | トラック検索制御装置 |
US5172353A (en) * | 1989-03-02 | 1992-12-15 | Olympus Optical Co., Ltd. | Track seeking control apparatus for use in data recording/reproduction systems having data tracks thereon |
DE3916462A1 (de) * | 1989-05-20 | 1990-11-22 | Thomson Brandt Gmbh | Verfahren zum spurspringen |
JP3037770B2 (ja) * | 1990-04-05 | 2000-05-08 | 帝人製機株式会社 | 絶対位置検出装置 |
US5220545A (en) * | 1990-07-30 | 1993-06-15 | Nec Corporation | Disk controller including format control unit instructing directly jump back operation |
JP3021029B2 (ja) * | 1990-11-20 | 2000-03-15 | シャープ株式会社 | 光磁気記録媒体の情報アクセス方法 |
JP2598166B2 (ja) * | 1990-12-19 | 1997-04-09 | シャープ株式会社 | 光ディスク媒体駆動装置 |
US5170416A (en) * | 1991-06-17 | 1992-12-08 | Tektronix, Inc. | Encoder duty-cycle error correction |
JPH05205416A (ja) * | 1991-10-18 | 1993-08-13 | Internatl Business Mach Corp <Ibm> | 媒体欠陥によるトラッキング・エラー信号異常のマスキング装置および方法 |
JP2940891B2 (ja) * | 1991-12-12 | 1999-08-25 | 富士通株式会社 | 光ディスクのトラック検索装置 |
JP2546119B2 (ja) * | 1992-12-28 | 1996-10-23 | 日本電気株式会社 | 磁気ディスク装置 |
KR100188435B1 (ko) * | 1993-02-25 | 1999-06-01 | 윤종용 | 광자기 디스크장치의 트랙보상장치 |
US5793549A (en) * | 1995-11-15 | 1998-08-11 | Zen Research N.V. | Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device |
US5627805A (en) * | 1995-11-15 | 1997-05-06 | Zen Research N.V. | Methods and apparatus for high speed optical storage device |
US6381210B1 (en) | 1995-11-15 | 2002-04-30 | Zen Research (Ireland) Ltd. | Methods and apparatus for concurrently processing data from multiple tracks of an optical storage medium |
US5701283A (en) * | 1995-11-15 | 1997-12-23 | Zen Research N.V. | Method and apparatus for high speed optical storage device |
US5652746A (en) * | 1995-11-15 | 1997-07-29 | Zen Research N.V. | Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk |
AU7570896A (en) * | 1995-11-15 | 1997-06-05 | Zen Research N.V. | Track detection methods and apparatus for simultaneous electronic monitoring of multiple adjacent tracks of an optical disk |
US5793715A (en) * | 1995-11-15 | 1998-08-11 | Zen Research N.V. | Methods and apparatus for reducing the access time of an optical drive |
US5907526A (en) * | 1995-11-15 | 1999-05-25 | Zen Research N.V. | Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium |
US6097780A (en) * | 1998-08-18 | 2000-08-01 | Texas Instruments Incorporated | Track counter |
US6137763A (en) * | 1998-09-24 | 2000-10-24 | Zen Research N.V. | Method and apparatus for buffering data in a multi-beam optical disk reader |
TW468159B (en) * | 1999-07-08 | 2001-12-11 | Koninkl Philips Electronics Nv | Apparatus for and method of scanning an information carrier |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221814A (en) * | 1975-08-12 | 1977-02-18 | Nec Corp | Track detection system |
US4845697A (en) * | 1982-04-15 | 1989-07-04 | Discovision Associates | Method of time limited searching for a track address on an optically read information disc |
JPS58185043A (ja) * | 1982-04-23 | 1983-10-28 | Matsushita Electric Ind Co Ltd | トラツク検索装置 |
JPS59207440A (ja) * | 1983-05-12 | 1984-11-24 | Olympus Optical Co Ltd | トラック検索装置 |
JPS60145576A (ja) * | 1984-01-10 | 1985-08-01 | Canon Inc | 光学情報記録再生装置のトラックシーク方法 |
US4623943A (en) * | 1984-09-19 | 1986-11-18 | Victor Company Of Japan, Ltd. | Head positioning apparatus using a DC motor |
DE3575805D1 (de) * | 1984-10-11 | 1990-03-08 | Hitachi Ltd | Halterung fuer optische linse. |
JPS63273219A (ja) * | 1987-04-30 | 1988-11-10 | Mitsubishi Electric Corp | 光デイスク駆動装置 |
KR910003457B1 (ko) * | 1987-09-17 | 1991-05-31 | 삼성전자 주식회사 | 광 디스크 드라이버의 데이타 트랙 카운터회로 |
WO1989007490A1 (en) * | 1988-02-19 | 1989-08-24 | Conoco Specialty Products Inc. | Separating liquids |
JPH0258736A (ja) * | 1988-08-24 | 1990-02-27 | Nec Corp | トラック横断検出方式 |
-
1989
- 1989-01-10 JP JP1003167A patent/JP2562195B2/ja not_active Expired - Fee Related
- 1989-12-28 US US07/458,367 patent/US5001732A/en not_active Expired - Fee Related
- 1989-12-28 CA CA002006806A patent/CA2006806C/en not_active Expired - Fee Related
-
1990
- 1990-01-03 KR KR1019900000012A patent/KR920008462B1/ko not_active IP Right Cessation
- 1990-01-10 DE DE69021091T patent/DE69021091T2/de not_active Expired - Fee Related
- 1990-01-10 EP EP90300286A patent/EP0378394B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69021091T2 (de) | 1996-02-08 |
EP0378394A2 (de) | 1990-07-18 |
KR900012263A (ko) | 1990-08-03 |
US5001732A (en) | 1991-03-19 |
EP0378394A3 (de) | 1991-10-02 |
KR920008462B1 (ko) | 1992-09-30 |
CA2006806A1 (en) | 1990-07-10 |
EP0378394B1 (de) | 1995-07-26 |
CA2006806C (en) | 1994-09-20 |
JPH02183421A (ja) | 1990-07-18 |
JP2562195B2 (ja) | 1996-12-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |