ID23764A - Metode pendeteksian kesalahan servo, aparatus utknya, piringan yg menjaga kualitas sinyal kesalahan servo, metode utk pengendalian servo dari aparatus perekaman/pereproduksian piringan, metode utk pendeteksian kesalahan lintasan, & metode utk mendeteksi - Google Patents
Metode pendeteksian kesalahan servo, aparatus utknya, piringan yg menjaga kualitas sinyal kesalahan servo, metode utk pengendalian servo dari aparatus perekaman/pereproduksian piringan, metode utk pendeteksian kesalahan lintasan, & metode utk mendeteksiInfo
- Publication number
- ID23764A ID23764A IDP990824D ID990824D ID23764A ID 23764 A ID23764 A ID 23764A ID P990824 D IDP990824 D ID P990824D ID 990824 D ID990824 D ID 990824D ID 23764 A ID23764 A ID 23764A
- Authority
- ID
- Indonesia
- Prior art keywords
- servo
- aparatus
- methods
- detection
- recording
- Prior art date
Links
- 238000000034 method Methods 0.000 title 4
- 238000001514 detection method Methods 0.000 title 3
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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
-
- 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
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR19980035422 | 1998-08-29 | ||
KR19980035421 | 1998-08-29 | ||
KR1019990008482A KR100618962B1 (ko) | 1998-08-29 | 1999-03-13 | 서보 에러 검출 방법, 이에 적합한 장치, 트랙킹 에러 검출 방법, 그리고 틸트 에러 검출방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
ID23764A true ID23764A (id) | 2000-05-11 |
Family
ID=38169480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IDP990824D ID23764A (id) | 1998-08-29 | 1999-08-30 | Metode pendeteksian kesalahan servo, aparatus utknya, piringan yg menjaga kualitas sinyal kesalahan servo, metode utk pengendalian servo dari aparatus perekaman/pereproduksian piringan, metode utk pendeteksian kesalahan lintasan, & metode utk mendeteksi |
Country Status (12)
Country | Link |
---|---|
US (8) | US6469979B1 (fr) |
EP (4) | EP1308940B1 (fr) |
JP (9) | JP2000076681A (fr) |
KR (1) | KR100618962B1 (fr) |
CN (4) | CN1236430C (fr) |
BR (3) | BR9917654B1 (fr) |
DE (2) | DE69936598T2 (fr) |
HK (3) | HK1037775A1 (fr) |
ID (1) | ID23764A (fr) |
MY (2) | MY122151A (fr) |
SG (3) | SG115328A1 (fr) |
TW (1) | TW451184B (fr) |
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KR100618962B1 (ko) * | 1998-08-29 | 2006-09-01 | 삼성전자주식회사 | 서보 에러 검출 방법, 이에 적합한 장치, 트랙킹 에러 검출 방법, 그리고 틸트 에러 검출방법 |
DE69933830T2 (de) * | 1998-09-14 | 2007-06-28 | Matsushita Electric Industrial Co., Ltd., Kadoma | Neigungserkennungsvorrichtung, optisches Plattengerät, und Neigungssteuerverfahren |
KR100565043B1 (ko) * | 1998-09-15 | 2006-03-30 | 삼성전자주식회사 | 틸트 및 디트랙 검출 장치, 틸트 및 디트랙 제어 장치, 이에 적합한 기준값 설정 방법 그리고 이에 적합한 디스크 |
KR100577151B1 (ko) * | 1999-04-16 | 2006-05-09 | 엘지전자 주식회사 | 광 기록매체의 기록재생 방법 및 장치 |
US6625093B1 (en) * | 1999-03-30 | 2003-09-23 | Lg Electronics Inc. | Apparatus and method for reproducing record for optical recording medium |
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KR100346701B1 (ko) * | 1999-05-25 | 2002-08-01 | 삼성전자 주식회사 | 레이저 다이오드의 출력 제어 방법 및 이에 적합한 장치 |
DE19934473A1 (de) * | 1999-07-27 | 2001-02-01 | Thomson Brandt Gmbh | Gerät zum Beschreiben optischer Aufzeichnungsträger |
JP3817408B2 (ja) * | 2000-03-28 | 2006-09-06 | 三星電機株式会社 | チルト検出装置 |
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KR100379399B1 (ko) * | 2000-10-02 | 2003-04-10 | 엘지전자 주식회사 | 광 기록매체의 헤더 영역 검출 방법 및 장치와 이를이용한 기록 재생 방법 |
KR100375223B1 (ko) * | 2000-11-21 | 2003-03-07 | 엘지전자 주식회사 | 광픽업 장치 및 광픽업 틸트 제어방법 |
JP3674565B2 (ja) * | 2001-09-25 | 2005-07-20 | ティアック株式会社 | 光ディスク装置 |
US7899862B2 (en) | 2002-11-18 | 2011-03-01 | Aol Inc. | Dynamic identification of other users to an online user |
JP2004327007A (ja) | 2003-04-08 | 2004-11-18 | Nec Corp | 光学的情報記録媒体および光学的情報記録再生装置 |
JP2004362672A (ja) * | 2003-06-04 | 2004-12-24 | Sanyo Electric Co Ltd | 光ディスク再生装置のチルト制御方法 |
US6958881B1 (en) | 2003-11-26 | 2005-10-25 | Western Digital Technologies, Inc. | Disk drive control system having a servo processing accelerator circuit |
KR20050052606A (ko) * | 2003-11-28 | 2005-06-03 | 삼성전자주식회사 | 정보저장매체, 이에 기록된 정보재생방법 및 장치 |
TWI230930B (en) * | 2003-12-01 | 2005-04-11 | Mediatek Inc | Protecting method and related apparatus for accurate header detection |
US20060153048A1 (en) * | 2003-12-01 | 2006-07-13 | Kuo-Jung Lan | Protection window signal generator for header detection and method thereof |
TWI260013B (en) * | 2003-12-04 | 2006-08-11 | Mediatek Inc | Optical incidence auto-adjusting system |
US7133235B2 (en) * | 2004-02-25 | 2006-11-07 | Hitachi Global Storage Technologies Netherlands, B.V. | System and method for correcting for head tilt in HDD |
TWI288397B (en) | 2004-05-12 | 2007-10-11 | Mediatek Inc | Method and related apparatus for dynamically adjust a RF gain while accessing a DVD-RAM optical disc |
US20070133365A1 (en) * | 2005-12-12 | 2007-06-14 | Shih-Hao Ko | Tilt calibration apparatus and method capable of adjusting included angle between optical pick-up head and optical disc according to wobble signal |
US7684291B2 (en) * | 2006-06-05 | 2010-03-23 | Mediatek Inc. | Method and apparatus for blank detection of an optical disc |
US7796480B2 (en) * | 2006-06-05 | 2010-09-14 | Mediatek Inc. | Apparatus and methods for light spot servo signal detection |
US20070280079A1 (en) * | 2006-06-05 | 2007-12-06 | Yuh Cheng | Asymmetry measurement apparatus |
US7724090B2 (en) * | 2006-06-05 | 2010-05-25 | Mediatek Inc. | Loop control apparatus and method thereof |
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TW201142838A (en) * | 2010-05-25 | 2011-12-01 | Quanta Storage Inc | Method for detecting obliquity of optical disk drive |
TW201225075A (en) * | 2010-12-02 | 2012-06-16 | Quanta Storage Inc | Method for detecting obliquity of optical disc drive |
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KR100244772B1 (ko) * | 1997-07-26 | 2000-02-15 | 전주범 | 디브이디알 시스템의 트래킹 서보 장치 |
KR100277023B1 (ko) * | 1997-08-30 | 2001-01-15 | 구자홍 | 트랙킹 서보장치 |
KR100618962B1 (ko) | 1998-08-29 | 2006-09-01 | 삼성전자주식회사 | 서보 에러 검출 방법, 이에 적합한 장치, 트랙킹 에러 검출 방법, 그리고 틸트 에러 검출방법 |
JP2000287493A (ja) | 1999-03-30 | 2000-10-13 | Matsushita Electric Ind Co Ltd | モータの保護装置 |
-
1999
- 1999-03-13 KR KR1019990008482A patent/KR100618962B1/ko active IP Right Grant
- 1999-08-26 JP JP11240545A patent/JP2000076681A/ja not_active Withdrawn
- 1999-08-26 SG SG9904192A patent/SG115328A1/en unknown
- 1999-08-26 SG SG200207792-3A patent/SG134979A1/en unknown
- 1999-08-26 SG SG200207752-7A patent/SG134978A1/en unknown
- 1999-08-27 DE DE69936598T patent/DE69936598T2/de not_active Expired - Lifetime
- 1999-08-27 MY MYPI99003713A patent/MY122151A/en unknown
- 1999-08-27 MY MYPI20023217A patent/MY122541A/en unknown
- 1999-08-27 EP EP02025372A patent/EP1308940B1/fr not_active Expired - Lifetime
- 1999-08-27 DE DE69937132T patent/DE69937132T2/de not_active Expired - Lifetime
- 1999-08-27 EP EP02025798A patent/EP1308941A1/fr not_active Withdrawn
- 1999-08-27 TW TW088114772A patent/TW451184B/zh not_active IP Right Cessation
- 1999-08-27 EP EP02025433A patent/EP1293972A3/fr not_active Withdrawn
- 1999-08-27 EP EP99306812A patent/EP0984436B1/fr not_active Expired - Lifetime
- 1999-08-30 US US09/385,415 patent/US6469979B1/en not_active Expired - Lifetime
- 1999-08-30 CN CNB011046635A patent/CN1236430C/zh not_active Expired - Lifetime
- 1999-08-30 BR BRPI9917654-8A patent/BR9917654B1/pt not_active IP Right Cessation
- 1999-08-30 CN CNB011046643A patent/CN1236433C/zh not_active Expired - Lifetime
- 1999-08-30 BR BRPI9917653-0A patent/BR9917653B1/pt not_active IP Right Cessation
- 1999-08-30 CN CNB011046651A patent/CN1236428C/zh not_active Expired - Lifetime
- 1999-08-30 ID IDP990824D patent/ID23764A/id unknown
- 1999-08-30 CN CNB991184017A patent/CN1246845C/zh not_active Expired - Lifetime
- 1999-08-30 BR BR9903978-8A patent/BR9903978A/pt not_active Application Discontinuation
-
2000
- 2000-07-31 US US09/629,050 patent/US6556521B1/en not_active Expired - Lifetime
- 2000-07-31 US US09/629,049 patent/US6556520B1/en not_active Expired - Lifetime
- 2000-10-20 JP JP2000321768A patent/JP2001155361A/ja active Pending
-
2001
- 2001-07-16 JP JP2001215863A patent/JP2002109752A/ja active Pending
- 2001-07-16 JP JP2001215866A patent/JP2002074715A/ja active Pending
- 2001-07-16 JP JP2001215865A patent/JP4527321B2/ja not_active Expired - Lifetime
- 2001-07-16 JP JP2001215864A patent/JP2002083437A/ja active Pending
- 2001-11-28 HK HK01108360A patent/HK1037775A1/xx not_active IP Right Cessation
- 2001-11-28 HK HK01108361A patent/HK1037776A1/xx not_active IP Right Cessation
- 2001-11-28 HK HK01108362A patent/HK1037777A1/xx not_active IP Right Cessation
-
2002
- 2002-07-08 JP JP2002199239A patent/JP2003030880A/ja active Pending
- 2002-07-08 JP JP2002199240A patent/JP2003067957A/ja active Pending
-
2003
- 2003-03-05 US US10/378,904 patent/US6721243B2/en not_active Expired - Lifetime
- 2003-03-12 US US10/385,472 patent/US7167424B2/en not_active Expired - Lifetime
-
2004
- 2004-05-20 JP JP2004150990A patent/JP2004265593A/ja active Pending
-
2005
- 2005-04-01 US US11/095,481 patent/US7110334B2/en not_active Expired - Lifetime
- 2005-12-16 US US11/304,636 patent/US7319643B2/en not_active Expired - Lifetime
-
2007
- 2007-11-26 US US11/944,863 patent/US7590034B2/en not_active Expired - Fee Related
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