CN1246845C - 伺服误差检测方法和设备以及检测跟踪误差的方法 - Google Patents
伺服误差检测方法和设备以及检测跟踪误差的方法 Download PDFInfo
- Publication number
- CN1246845C CN1246845C CNB991184017A CN99118401A CN1246845C CN 1246845 C CN1246845 C CN 1246845C CN B991184017 A CNB991184017 A CN B991184017A CN 99118401 A CN99118401 A CN 99118401A CN 1246845 C CN1246845 C CN 1246845C
- Authority
- CN
- China
- Prior art keywords
- signal
- session
- amplitude
- equipment
- lvfo1
- 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
- 238000000034 method Methods 0.000 title claims description 50
- 230000001360 synchronised effect Effects 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 28
- 230000014509 gene expression Effects 0.000 description 14
- 101100243942 Caenorhabditis elegans pid-4 gene Proteins 0.000 description 11
- 101000609957 Homo sapiens PTB-containing, cubilin and LRP1-interacting protein Proteins 0.000 description 11
- 101150109471 PID2 gene Proteins 0.000 description 11
- 102100039157 PTB-containing, cubilin and LRP1-interacting protein Human genes 0.000 description 11
- 101100190466 Caenorhabditis elegans pid-3 gene Proteins 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 2
- 101100243950 Arabidopsis thaliana PIE1 gene Proteins 0.000 description 1
- 101100288529 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) LCD1 gene Proteins 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
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)
Abstract
Description
Claims (35)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR35421/1998 | 1998-08-29 | ||
KR35422/98 | 1998-08-29 | ||
KR19980035422 | 1998-08-29 | ||
KR35421/98 | 1998-08-29 | ||
KR19980035421 | 1998-08-29 | ||
KR35422/1998 | 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 |
KR8482/99 | 1999-03-13 | ||
KR8482/1999 | 1999-03-13 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011046635A Division CN1236430C (zh) | 1998-08-29 | 1999-08-30 | 光盘倾斜误差的检测方法 |
CNB011046651A Division CN1236428C (zh) | 1998-08-29 | 1999-08-30 | 再现光盘数据的装置的倾斜误差检测方法 |
CNB011046643A Division CN1236433C (zh) | 1998-08-29 | 1999-08-30 | 倾斜误差检测装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1246703A CN1246703A (zh) | 2000-03-08 |
CN1246845C true CN1246845C (zh) | 2006-03-22 |
Family
ID=38169480
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011046635A Expired - Lifetime CN1236430C (zh) | 1998-08-29 | 1999-08-30 | 光盘倾斜误差的检测方法 |
CNB011046643A Expired - Lifetime CN1236433C (zh) | 1998-08-29 | 1999-08-30 | 倾斜误差检测装置 |
CNB011046651A Expired - Lifetime CN1236428C (zh) | 1998-08-29 | 1999-08-30 | 再现光盘数据的装置的倾斜误差检测方法 |
CNB991184017A Expired - Lifetime CN1246845C (zh) | 1998-08-29 | 1999-08-30 | 伺服误差检测方法和设备以及检测跟踪误差的方法 |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011046635A Expired - Lifetime CN1236430C (zh) | 1998-08-29 | 1999-08-30 | 光盘倾斜误差的检测方法 |
CNB011046643A Expired - Lifetime CN1236433C (zh) | 1998-08-29 | 1999-08-30 | 倾斜误差检测装置 |
CNB011046651A Expired - Lifetime CN1236428C (zh) | 1998-08-29 | 1999-08-30 | 再现光盘数据的装置的倾斜误差检测方法 |
Country Status (12)
Country | Link |
---|---|
US (8) | US6469979B1 (zh) |
EP (4) | EP1308940B1 (zh) |
JP (9) | JP2000076681A (zh) |
KR (1) | KR100618962B1 (zh) |
CN (4) | CN1236430C (zh) |
BR (3) | BR9917654B1 (zh) |
DE (2) | DE69936598T2 (zh) |
HK (3) | HK1037775A1 (zh) |
ID (1) | ID23764A (zh) |
MY (2) | MY122151A (zh) |
SG (3) | SG115328A1 (zh) |
TW (1) | TW451184B (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2856391B2 (ja) * | 1996-05-30 | 1999-02-10 | 株式会社日立製作所 | 情報記録方法及び情報記録装置 |
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 |
US7085204B1 (en) * | 1999-05-18 | 2006-08-01 | Lg Electronics, Inc. | Method and apparatus for controlling record and reproduction of optical record medium involving averaging servo error signals |
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 |
TW501113B (en) * | 2000-04-25 | 2002-09-01 | Samsung Electronics Co Ltd | Optical disc |
US7369968B2 (en) * | 2000-06-16 | 2008-05-06 | Verisae, Inc. | Enterprise energy management system |
JP2002008246A (ja) * | 2000-06-20 | 2002-01-11 | Sony Corp | ディスク状記録媒体、ディスク記録及び/又は再生装置及び方法、並びにチルト検出方法 |
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 |
TWI332658B (en) * | 2006-06-14 | 2010-11-01 | Realtek Semiconductor Corp | Tilt error detecting apparatus, tilt calibration apparatus, tilt error detecting method and tilt calibration method |
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 |
US11175466B2 (en) | 2015-07-02 | 2021-11-16 | Senko Advanced Components, Inc. | Bayonet lock MPO connector |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58125242A (ja) * | 1982-01-22 | 1983-07-26 | Victor Co Of Japan Ltd | 光学的情報信号再生装置のトラツキング誤差検出方式 |
JPH0680535B2 (ja) | 1982-08-27 | 1994-10-12 | 株式会社日立製作所 | 情報の記録再生方法 |
JPS60195745A (ja) * | 1984-03-16 | 1985-10-04 | Pioneer Electronic Corp | トラツキングサ−ボ信号生成方式 |
US4748609A (en) * | 1985-03-29 | 1988-05-31 | Hitachi, Ltd. | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset |
JP2599418B2 (ja) | 1988-03-14 | 1997-04-09 | 松下通信工業株式会社 | トラッキングサーボ装置 |
JP2893752B2 (ja) * | 1989-09-29 | 1999-05-24 | ソニー株式会社 | ディスク状記録媒体 |
JP2998807B2 (ja) * | 1990-07-19 | 2000-01-17 | パイオニア株式会社 | 光学式ディスクプレーヤ |
JP2866160B2 (ja) | 1990-07-19 | 1999-03-08 | パイオニア株式会社 | 光学式ディスクプレーヤ |
US5327408A (en) * | 1990-09-07 | 1994-07-05 | International Business Machines Corporation | Optical disk with sector servo patterns compensating for variations in pattern size and/or radial velocity |
DE4028703A1 (de) * | 1990-09-10 | 1992-03-12 | Thomson Brandt Gmbh | Verfahren zum messen oder regeln des radial- und tangentialwinkels eines lichtstrahls |
US5257149A (en) * | 1991-02-13 | 1993-10-26 | Seagate Technology, Inc. | Disc drive with offset address field |
JPH05144024A (ja) | 1991-11-19 | 1993-06-11 | Konica Corp | 光デイスク装置のサーボ機構 |
US5815485A (en) * | 1993-02-02 | 1998-09-29 | Matsushita Electric Industrial Co., Ltd. | Recording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording medium |
JP3161891B2 (ja) * | 1993-11-16 | 2001-04-25 | 松下電器産業株式会社 | ディスクチルト検出装置およびディスクチルト補正装置 |
JPH07220280A (ja) * | 1994-01-26 | 1995-08-18 | Pioneer Electron Corp | 追記型光ディスク記録装置におけるキャリブレーション方法及び装置 |
US5751512A (en) * | 1994-01-28 | 1998-05-12 | Seagate Technology, Inc. | Data storage format for data storage devices having a radial offset between read and write elements |
US5587850A (en) * | 1994-08-26 | 1996-12-24 | Quantum Corporation | Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive |
JP3025472B2 (ja) | 1995-02-17 | 2000-03-27 | 松下電器産業株式会社 | 光ディスク記録/再生装置 |
US5732054A (en) * | 1995-03-28 | 1998-03-24 | Eastman Kodak Company | Combined tracking position and tilt sensor for optical recording actuator |
US6324030B1 (en) * | 1995-05-02 | 2001-11-27 | International Business Machines Corporation | Digital pes demodulation for a disk drive servo control system using synchronous digital sampling |
JP3232966B2 (ja) | 1995-08-22 | 2001-11-26 | 松下電器産業株式会社 | 光ディスク記録再生装置のトラッキング制御装置 |
JP3063598B2 (ja) * | 1995-12-01 | 2000-07-12 | 三菱電機株式会社 | 光ディスクおよび光ディスク装置 |
JPH09251639A (ja) | 1996-01-11 | 1997-09-22 | So Fukada | 光ディスクおよびその記録再生装置 |
JPH09259576A (ja) | 1996-03-25 | 1997-10-03 | Toshiba Corp | 複数管理領域を持つ情報記録ディスク |
US6215758B1 (en) * | 1996-10-04 | 2001-04-10 | Sony Corporation | Recording medium |
JP3103505B2 (ja) * | 1996-06-26 | 2000-10-30 | 三菱電機株式会社 | 光ディスク及び光ディスク駆動装置 |
JPH1027366A (ja) | 1996-07-15 | 1998-01-27 | Matsushita Electric Ind Co Ltd | 光ディスク駆動方法及び光ディスク駆動装置 |
US5986592A (en) * | 1996-10-01 | 1999-11-16 | Sony Corporation | Encoder decoder device not using an A/D converter and method thereof |
JPH10275335A (ja) * | 1997-04-01 | 1998-10-13 | Toshiba Corp | 情報記録再生用光ディスク及び情報記録再生用光ディスクの形成方法 |
JP3104222B2 (ja) * | 1997-05-19 | 2000-10-30 | ソニー株式会社 | 光ディスク装置 |
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/en not_active Expired - Lifetime
- 1999-08-27 DE DE69937132T patent/DE69937132T2/de not_active Expired - Lifetime
- 1999-08-27 EP EP02025798A patent/EP1308941A1/en not_active Withdrawn
- 1999-08-27 TW TW088114772A patent/TW451184B/zh not_active IP Right Cessation
- 1999-08-27 EP EP02025433A patent/EP1293972A3/en not_active Withdrawn
- 1999-08-27 EP EP99306812A patent/EP0984436B1/en 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
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1246845C (zh) | 伺服误差检测方法和设备以及检测跟踪误差的方法 | |
JP3063596B2 (ja) | 光ディスク装置および光ディスク | |
CN1228868A (zh) | 光盘和光盘驱动装置 | |
CN1233043A (zh) | 从平面/凹槽型盘上的凹坑产生平面/凹槽转换信号的方法及装置 | |
JP2000076684A (ja) | 情報記録装置 | |
JP2000123421A (ja) | 記録媒体、記録媒体製造装置及び情報記録再生装置 | |
US8929190B2 (en) | Optical information recording medium and optical information recording medium reproducing apparatus | |
JP2004039247A (ja) | 光記録媒体の記録・再生方法 | |
CN1755824A (zh) | 盘区域检测方法和设备 | |
US6847599B2 (en) | Disc drive apparatus | |
CN1288642C (zh) | 光盘再现设备以及光盘再现方法 | |
JP2004022127A (ja) | チルト補正装置 | |
KR100354748B1 (ko) | 광디스크드라이브의틸트검출방법 | |
KR100601727B1 (ko) | 서보 에러 및 디트랙을 검출하기 위한 피트들을 가지는디스크 | |
JP3027818B1 (ja) | 光ディスクおよび光ディスク装置および光ディスクのトラッキング方法 | |
JP2000057580A (ja) | 情報記録媒体、情報記録媒体の原盤製造装置、情報記録媒体処理装置、及び情報記録媒体処理方法 | |
KR20000066460A (ko) | 광 기록매체의 기록재생 방법 | |
KR20000074749A (ko) | 광 기록 매체의 기록재생방법 | |
JP2010092522A (ja) | 光ピックアップ装置と、そのドライブ装置及びドライブ方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20000308 Assignee: China Hualu Group Ltd. Assignor: Blue light United Co., Ltd. Contract record no.: 2014990000238 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20140423 Application publication date: 20000308 Assignee: Guangdong OPPO Mobile Communications Co., Ltd. Assignor: Blue light United Co., Ltd. Contract record no.: 2014990000237 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20140423 Application publication date: 20000308 Assignee: TCL Kone Electronics (Huizhou) Ltd. Assignor: Blue light United Co., Ltd. Contract record no.: 2014990000240 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20140423 Application publication date: 20000308 Assignee: Guangzhou Panyu Juda Car Audio Equipment Co., Ltd. Assignor: Blue light United Co., Ltd. Contract record no.: 2014990000233 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20140422 Application publication date: 20000308 Assignee: Shenzhen Maxmade Technology Co.,Ltd. Assignor: Blue light United Co., Ltd. Contract record no.: 2014990000239 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20140423 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20000308 Assignee: Dongguan de video technology Co. Ltd. Kit Assignor: Blue light United Co., Ltd. Contract record no.: 2016990000233 Denomination of invention: Servo error detecting method and equipment, method for control disk recording/playback equipment servo Granted publication date: 20060322 License type: Common License Record date: 20160614 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term |
Granted publication date: 20060322 |
|
CX01 | Expiry of patent term |