HK1025421A1 - Apparatus for reading from and/or writing to optical recording media. - Google Patents
Apparatus for reading from and/or writing to optical recording media.Info
- Publication number
- HK1025421A1 HK1025421A1 HK00104639A HK00104639A HK1025421A1 HK 1025421 A1 HK1025421 A1 HK 1025421A1 HK 00104639 A HK00104639 A HK 00104639A HK 00104639 A HK00104639 A HK 00104639A HK 1025421 A1 HK1025421 A1 HK 1025421A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- writing
- reading
- optical recording
- recording media
- media
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G11B7/0901—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 for track following only
- G11B7/0906—Differential phase difference systems
-
- 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
- G11B7/0901—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 for track following only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19852291A DE19852291A1 (de) | 1998-11-13 | 1998-11-13 | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1025421A1 true HK1025421A1 (en) | 2000-11-10 |
Family
ID=7887632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK00104639A HK1025421A1 (en) | 1998-11-13 | 2000-07-26 | Apparatus for reading from and/or writing to optical recording media. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7170833B2 (id) |
| EP (1) | EP1001411B1 (id) |
| JP (1) | JP3965842B2 (id) |
| KR (1) | KR100671991B1 (id) |
| CN (1) | CN1197061C (id) |
| DE (2) | DE19852291A1 (id) |
| HK (1) | HK1025421A1 (id) |
| ID (1) | ID23831A (id) |
| MY (1) | MY124626A (id) |
| PL (1) | PL192564B1 (id) |
| RU (1) | RU2243598C2 (id) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100629500B1 (ko) * | 2002-07-31 | 2006-09-28 | 삼성전자주식회사 | 트랙킹 에러신호 생성장치 |
| TWI248610B (en) * | 2003-04-07 | 2006-02-01 | Mediatek Inc | Method and related apparatus for deriving a tracking error signal |
| GB0309052D0 (en) * | 2003-04-22 | 2003-05-28 | Koninkl Philips Electronics Nv | Apparatus and related method for monitoring tracking of an optical disk |
| US7512043B2 (en) * | 2004-07-08 | 2009-03-31 | Realtek Semiconductor Corp. | Apparatus and method for generating a tracking error signal in an optical disc drive |
| TWI258740B (en) * | 2004-07-08 | 2006-07-21 | Realtek Semiconductor Corp | Apparatus and method for generating a tracking error signal in an optical disc drive |
| US7633842B2 (en) * | 2004-07-08 | 2009-12-15 | Realtek Semiconductor Corp. | Apparatus for generating tracking error signal in optical disc drive |
| US7583569B2 (en) * | 2004-07-08 | 2009-09-01 | Realtek Semiconductor Corp. | Apparatus and related method for generating a tracking error signal in an optical disc drive |
| JP4327693B2 (ja) * | 2004-09-30 | 2009-09-09 | 株式会社東芝 | 光ディスク装置及び光検知信号処理方法 |
| WO2006129683A1 (ja) * | 2005-06-01 | 2006-12-07 | Matsushita Electric Industrial Co., Ltd. | 位相誤差検出装置 |
| KR100712520B1 (ko) * | 2005-07-27 | 2007-04-30 | 삼성전자주식회사 | 다중위상클럭을 이용하여 트래킹에러 신호를 검출하는 장치및 방법 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3659229A (en) * | 1970-11-02 | 1972-04-25 | Gen Electric | System and method for automatic adaptive equalization of communication channels |
| NL8303560A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
| JPH063648B2 (ja) * | 1986-01-16 | 1994-01-12 | 松下電器産業株式会社 | 光学的情報再生装置 |
| JPH0628697A (ja) * | 1992-07-07 | 1994-02-04 | Pioneer Electron Corp | 光ディスクプレーヤ |
| JPH09288832A (ja) * | 1996-04-22 | 1997-11-04 | Toshiba Corp | トラッキングエラー信号生成回路 |
| DE19627383A1 (de) * | 1996-07-06 | 1998-01-08 | Thomson Brandt Gmbh | Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger |
| JP3847910B2 (ja) * | 1996-07-30 | 2006-11-22 | 株式会社東芝 | 光ディスク再生システムのトラッキング制御装置 |
| JPH10112042A (ja) * | 1996-10-04 | 1998-04-28 | Hitachi Ltd | 光学的情報再生装置 |
| JPH10198995A (ja) * | 1996-12-27 | 1998-07-31 | Victor Co Of Japan Ltd | トラッキングエラー信号生成回路及び位相差検出回路 |
| DE19723542A1 (de) * | 1997-06-05 | 1998-12-10 | Thomson Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
-
1998
- 1998-11-13 DE DE19852291A patent/DE19852291A1/de not_active Withdrawn
-
1999
- 1999-11-02 DE DE69938919T patent/DE69938919D1/de not_active Expired - Lifetime
- 1999-11-02 EP EP99120944A patent/EP1001411B1/en not_active Expired - Lifetime
- 1999-11-03 KR KR1019990048299A patent/KR100671991B1/ko not_active IP Right Cessation
- 1999-11-10 PL PL336518A patent/PL192564B1/pl not_active IP Right Cessation
- 1999-11-10 CN CNB991235444A patent/CN1197061C/zh not_active Expired - Fee Related
- 1999-11-11 JP JP32099499A patent/JP3965842B2/ja not_active Expired - Fee Related
- 1999-11-12 RU RU99123717/28A patent/RU2243598C2/ru not_active IP Right Cessation
- 1999-11-12 MY MYPI99004921A patent/MY124626A/en unknown
- 1999-11-15 ID IDP991059D patent/ID23831A/id unknown
-
2000
- 2000-07-26 HK HK00104639A patent/HK1025421A1/xx not_active IP Right Cessation
-
2004
- 2004-01-21 US US10/761,441 patent/US7170833B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| PL336518A1 (en) | 2000-05-22 |
| US20040151089A1 (en) | 2004-08-05 |
| CN1197061C (zh) | 2005-04-13 |
| EP1001411A1 (en) | 2000-05-17 |
| EP1001411B1 (en) | 2008-06-18 |
| KR20000035184A (ko) | 2000-06-26 |
| PL192564B1 (pl) | 2006-11-30 |
| KR100671991B1 (ko) | 2007-01-19 |
| JP2000155964A (ja) | 2000-06-06 |
| ID23831A (id) | 2000-05-17 |
| RU2243598C2 (ru) | 2004-12-27 |
| MY124626A (en) | 2006-06-30 |
| DE69938919D1 (de) | 2008-07-31 |
| CN1254912A (zh) | 2000-05-31 |
| JP3965842B2 (ja) | 2007-08-29 |
| DE19852291A1 (de) | 2000-05-18 |
| US7170833B2 (en) | 2007-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20101110 |