DE69521670T2 - Abtastung optischer Platten - Google Patents
Abtastung optischer PlattenInfo
- Publication number
- DE69521670T2 DE69521670T2 DE69521670T DE69521670T DE69521670T2 DE 69521670 T2 DE69521670 T2 DE 69521670T2 DE 69521670 T DE69521670 T DE 69521670T DE 69521670 T DE69521670 T DE 69521670T DE 69521670 T2 DE69521670 T2 DE 69521670T2
- Authority
- DE
- Germany
- Prior art keywords
- optical disk
- disk scanning
- scanning
- optical
- disk
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/12—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by optical means
-
- 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
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32010494A JP3871358B2 (ja) | 1994-12-22 | 1994-12-22 | 光ディスク再生装置及び光ディスク再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521670D1 DE69521670D1 (de) | 2001-08-16 |
DE69521670T2 true DE69521670T2 (de) | 2002-07-11 |
Family
ID=18117754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521670T Expired - Lifetime DE69521670T2 (de) | 1994-12-22 | 1995-12-21 | Abtastung optischer Platten |
Country Status (8)
Country | Link |
---|---|
US (2) | US5699333A (de) |
EP (1) | EP0718832B1 (de) |
JP (1) | JP3871358B2 (de) |
KR (1) | KR100403878B1 (de) |
CN (1) | CN1107316C (de) |
DE (1) | DE69521670T2 (de) |
ES (1) | ES2158053T3 (de) |
MY (1) | MY113740A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3871358B2 (ja) * | 1994-12-22 | 2007-01-24 | ソニー株式会社 | 光ディスク再生装置及び光ディスク再生方法 |
JP3092657B2 (ja) * | 1996-07-10 | 2000-09-25 | ティアック株式会社 | デ−タ再生方法及び装置 |
JP3363712B2 (ja) | 1996-08-06 | 2003-01-08 | 株式会社リコー | 光ディスク装置 |
JPH10269619A (ja) * | 1997-03-19 | 1998-10-09 | Victor Co Of Japan Ltd | 光ディスク装置 |
KR19990051851A (ko) * | 1997-12-20 | 1999-07-05 | 구본준 | 디스크 재생 장치의 리드 회로 |
JP3442984B2 (ja) | 1997-12-26 | 2003-09-02 | シャープ株式会社 | 光ピックアップの位置制御装置 |
JP2002109772A (ja) * | 2000-09-29 | 2002-04-12 | Sanyo Electric Co Ltd | 光ディスク装置 |
JP2002230772A (ja) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | データ記録装置及びデータ記録装制御装置 |
CN1306514C (zh) * | 2001-07-19 | 2007-03-21 | 松下电器产业株式会社 | 再现信号质量的评价方法和信息再现装置 |
JP2005032339A (ja) * | 2003-07-11 | 2005-02-03 | Mitsubishi Electric Corp | 光ディスク再生装置 |
CN1300777C (zh) * | 2003-10-17 | 2007-02-14 | 上海乐金广电电子有限公司 | 聚焦错误信号和跟踪错误信号的干涉去除装置和方法 |
KR100614343B1 (ko) * | 2004-08-17 | 2006-08-21 | 엘지전자 주식회사 | 광디스크장치의 스틸 점프방법 |
KR101091047B1 (ko) | 2004-10-04 | 2011-12-08 | 엘지전자 주식회사 | 에러 레이트를 이용한 팬 제어장치 및 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050097A (en) * | 1986-05-31 | 1991-09-17 | Kabushiki Kaisha Toshiba | Boundary detector and graphic processing system incorporating the same |
US5212678A (en) * | 1989-11-23 | 1993-05-18 | U.S. Philips Corporation | System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information |
NL9102190A (nl) * | 1991-12-30 | 1993-07-16 | Philips Nv | Optische uitleesinrichting, alsmede een optische optekeninrichting. |
JP2920034B2 (ja) * | 1992-12-28 | 1999-07-19 | 株式会社東芝 | ディスク再生装置及び信号処理回路 |
JP3243883B2 (ja) * | 1993-04-12 | 2002-01-07 | ソニー株式会社 | 記録又は再生装置 |
JP3871358B2 (ja) * | 1994-12-22 | 2007-01-24 | ソニー株式会社 | 光ディスク再生装置及び光ディスク再生方法 |
-
1994
- 1994-12-22 JP JP32010494A patent/JP3871358B2/ja not_active Expired - Lifetime
-
1995
- 1995-12-19 MY MYPI95003936A patent/MY113740A/en unknown
- 1995-12-21 KR KR1019950072132A patent/KR100403878B1/ko not_active IP Right Cessation
- 1995-12-21 ES ES95309365T patent/ES2158053T3/es not_active Expired - Lifetime
- 1995-12-21 EP EP95309365A patent/EP0718832B1/de not_active Expired - Lifetime
- 1995-12-21 US US08/576,320 patent/US5699333A/en not_active Expired - Lifetime
- 1995-12-21 DE DE69521670T patent/DE69521670T2/de not_active Expired - Lifetime
- 1995-12-22 CN CN95121746A patent/CN1107316C/zh not_active Expired - Lifetime
-
1997
- 1997-08-28 US US08/920,047 patent/US5907527A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2158053T3 (es) | 2001-09-01 |
EP0718832B1 (de) | 2001-07-11 |
EP0718832A1 (de) | 1996-06-26 |
US5907527A (en) | 1999-05-25 |
US5699333A (en) | 1997-12-16 |
CN1131797A (zh) | 1996-09-25 |
JP3871358B2 (ja) | 2007-01-24 |
DE69521670D1 (de) | 2001-08-16 |
CN1107316C (zh) | 2003-04-30 |
JPH08180624A (ja) | 1996-07-12 |
MY113740A (en) | 2002-05-31 |
KR100403878B1 (ko) | 2004-02-25 |
KR960025441A (ko) | 1996-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |