CN1218300C - 光盘设备和聚焦跳变方法 - Google Patents
光盘设备和聚焦跳变方法 Download PDFInfo
- Publication number
- CN1218300C CN1218300C CN011384352A CN01138435A CN1218300C CN 1218300 C CN1218300 C CN 1218300C CN 011384352 A CN011384352 A CN 011384352A CN 01138435 A CN01138435 A CN 01138435A CN 1218300 C CN1218300 C CN 1218300C
- Authority
- CN
- China
- Prior art keywords
- object lens
- focus
- recording layer
- focusing
- error signal
- 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
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Images
Classifications
-
- 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
- G11B7/085—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
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in 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
- G11B7/085—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
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- 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
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP332104/00 | 2000-10-25 | ||
JP332104/2000 | 2000-10-25 | ||
JP2000332104 | 2000-10-25 | ||
JP2001162601A JP4089177B2 (ja) | 2000-10-25 | 2001-05-30 | 光ディスク装置及び層間ジャンプ方法 |
JP162601/2001 | 2001-05-30 | ||
JP162601/01 | 2001-05-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1350286A CN1350286A (zh) | 2002-05-22 |
CN1218300C true CN1218300C (zh) | 2005-09-07 |
Family
ID=26603109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN011384352A Expired - Fee Related CN1218300C (zh) | 2000-10-25 | 2001-08-25 | 光盘设备和聚焦跳变方法 |
Country Status (3)
Country | Link |
---|---|
US (7) | US6865141B2 (zh) |
JP (1) | JP4089177B2 (zh) |
CN (1) | CN1218300C (zh) |
Families Citing this family (48)
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KR100892101B1 (ko) * | 2001-07-26 | 2009-04-08 | 소니 가부시끼 가이샤 | 광디스크 기록 재생 장치와 그 포커스 처리 방법 및광디스크 기록 매체 |
JP3565275B2 (ja) * | 2002-04-17 | 2004-09-15 | 船井電機株式会社 | フォーカスサーチ方法 |
KR100850707B1 (ko) * | 2002-05-28 | 2008-08-06 | 삼성전자주식회사 | 광 디스크의 결함신호 발생장치 및 그 방법 |
JP4659348B2 (ja) * | 2003-08-22 | 2011-03-30 | パイオニア株式会社 | 光ピックアップ装置及び光記録媒体再生装置 |
KR100520508B1 (ko) * | 2003-09-27 | 2005-10-11 | 삼성전자주식회사 | 포커스 인입 장치 및 방법 |
WO2005088617A1 (en) * | 2004-03-01 | 2005-09-22 | Arima Devices Corporation | Apparatus for reading/writing multilayer optical disc with improved layer jump |
US7352669B2 (en) * | 2004-07-13 | 2008-04-01 | Micro-Star International Co., Ltd. | Method and device for disc rotation control in an optical storage system based on detected extent of disc warping |
JP4114627B2 (ja) * | 2004-04-05 | 2008-07-09 | 船井電機株式会社 | 光ディスク装置 |
JP3992044B2 (ja) * | 2004-04-22 | 2007-10-17 | ソニー株式会社 | 再生装置、フォーカスジャンプ方法 |
JP2006012293A (ja) * | 2004-06-25 | 2006-01-12 | Toshiba Corp | 光ディスク装置及び光ディスク処理方法 |
TWI263213B (en) * | 2004-08-17 | 2006-10-01 | Mediatek Inc | Layer-jump control device and method for optical read-write head of CD-ROM drive |
CN100409327C (zh) * | 2004-11-19 | 2008-08-06 | 联发科技股份有限公司 | 光驱的光学读写头跳层控制装置及方法 |
JP4469375B2 (ja) * | 2005-01-18 | 2010-05-26 | 富士通株式会社 | 情報再生装置および面振れ測定方法 |
WO2006129208A1 (en) | 2005-05-30 | 2006-12-07 | Koninklijke Philips Electronics N.V. | Predicting dvd recordable recording parameters in dual layer discs |
TWI267840B (en) * | 2005-12-07 | 2006-12-01 | Sunplus Technology Co Ltd | Layer jump control apparatus and method |
JPWO2007069540A1 (ja) * | 2005-12-15 | 2009-05-21 | パイオニア株式会社 | 対物レンズ駆動装置および駆動方法 |
US20070230302A1 (en) * | 2006-03-28 | 2007-10-04 | Media Tek Inc. | Optical disc recording protection |
KR20080010051A (ko) * | 2006-07-25 | 2008-01-30 | 삼성전자주식회사 | 광 디스크 드라이브 및 그 제어 방법 |
KR20080032837A (ko) * | 2006-10-11 | 2008-04-16 | 삼성전자주식회사 | 고밀도 다층 디스크에 대한 층간 포커스 제어 장치 및 방법 |
JP2008130117A (ja) * | 2006-11-17 | 2008-06-05 | Funai Electric Co Ltd | 光ディスク装置 |
WO2008096333A1 (en) * | 2007-02-09 | 2008-08-14 | Philips Intellectual Property & Standards Gmbh | Noise reduction |
KR101346772B1 (ko) * | 2007-09-05 | 2013-12-31 | 연세대학교 산학협력단 | 광 디스크 장치 및 그 구동방법 |
US8098364B2 (en) * | 2007-10-19 | 2012-01-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Exposure apparatus and method for photolithography process |
US8094532B2 (en) * | 2007-12-28 | 2012-01-10 | Panasonic Corporation | Interlayer movement apparatus, and integrated circuit for interlayer movement apparatus |
EP2303403B1 (en) * | 2008-06-02 | 2016-09-14 | Medtronic, Inc. | Electrogram storage for suspected non-physiological episodes |
WO2009148425A1 (en) * | 2008-06-02 | 2009-12-10 | Medtronic, Inc. | Impedance variability analysis to identify lead-related conditions |
WO2009148426A1 (en) * | 2008-06-02 | 2009-12-10 | Medtronic, Inc. | Sensing integrity determination based on cardiovascular pressure |
WO2009148428A1 (en) * | 2008-06-02 | 2009-12-10 | Medtronic, Inc. | Electrode lead integrity reports |
US20090299421A1 (en) * | 2008-06-02 | 2009-12-03 | Medtronic, Inc. | Evaluation of implantable medical device sensing integrity based on evoked signals |
US7974690B2 (en) * | 2008-06-30 | 2011-07-05 | Medtronic, Inc. | Lead integrity testing during suspected tachyarrhythmias |
US9522277B2 (en) | 2008-07-28 | 2016-12-20 | Medtronic, Inc. | Lead integrity testing triggered by sensed signal saturation |
US7953488B2 (en) * | 2008-07-31 | 2011-05-31 | Medtronic, Inc. | Pre-qualification of an alternate sensing configuration |
US8199620B2 (en) * | 2008-08-14 | 2012-06-12 | Mediatek Inc. | Method for performing servo defect compensating operation by compensating servo-related signal derived from reading optical medium and related optical disc drive system with DSP |
US8078277B2 (en) | 2008-10-29 | 2011-12-13 | Medtronic, Inc. | Identification and remediation of oversensed cardiac events using far-field electrograms |
US10118042B2 (en) | 2008-10-31 | 2018-11-06 | Medtronic, Inc. | Lead integrity testing triggered by sensed asystole |
JP5091836B2 (ja) * | 2008-11-07 | 2012-12-05 | 株式会社日立製作所 | 多層光ディスクのフォーカスジャンプ方法 |
US8396543B2 (en) * | 2010-01-28 | 2013-03-12 | Medtronic, Inc. | Storage of data for evaluation of lead integrity |
US20110194390A1 (en) * | 2010-02-09 | 2011-08-11 | Chia-Tao Hsu | Control method for adjusting laser power of laser beam irradiating multi-layer optical storage medium and related controller thereof |
JP2012053945A (ja) * | 2010-09-01 | 2012-03-15 | Hitachi-Lg Data Storage Inc | 光ディスク装置及びトラック引き込み方法 |
JP2012146370A (ja) * | 2011-01-13 | 2012-08-02 | Hitachi-Lg Data Storage Inc | 光ディスク装置、及び光ディスク装置のレーザ光のパワー制御方法 |
US8437840B2 (en) | 2011-09-26 | 2013-05-07 | Medtronic, Inc. | Episode classifier algorithm |
US8774909B2 (en) | 2011-09-26 | 2014-07-08 | Medtronic, Inc. | Episode classifier algorithm |
US8744560B2 (en) | 2011-09-30 | 2014-06-03 | Medtronic, Inc. | Electrogram summary |
US9668668B2 (en) | 2011-09-30 | 2017-06-06 | Medtronic, Inc. | Electrogram summary |
US8886296B2 (en) | 2011-10-14 | 2014-11-11 | Medtronic, Inc. | T-wave oversensing |
US8521281B2 (en) | 2011-10-14 | 2013-08-27 | Medtronic, Inc. | Electrogram classification algorithm |
US20130250273A1 (en) * | 2012-03-21 | 2013-09-26 | ISC8 Inc. | Threshold Detection Method and Device for LIDAR Time of Flight System Using Differentiated Gaussian Signal |
US20130250272A1 (en) * | 2012-03-21 | 2013-09-26 | David Ludwig | Threshold Detection Method, Module and Readout Integrated Circuit Layer for LIDAR Time of Flight System Using Differentiated Gaussian Signal |
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US298020A (en) * | 1884-05-06 | Half to blanch cabbie king | ||
JPS6346625A (ja) | 1986-08-12 | 1988-02-27 | Fujitsu Ltd | 光デイスク装置のフオ−カス引込方法 |
JPS6410431A (en) * | 1987-07-01 | 1989-01-13 | Teac Corp | Protection device in optical recording and reproducing device |
JPH02223023A (ja) | 1989-02-23 | 1990-09-05 | Matsushita Electric Ind Co Ltd | 焦点引き込み装置 |
US5142516A (en) * | 1990-09-28 | 1992-08-25 | International Business Machines Corporation | Anti-skating control of a positioning servo system |
US7286153B1 (en) * | 1991-10-11 | 2007-10-23 | Hitachi, Ltd. | Three-dimensional recording and reproducing apparatus |
JPH05242490A (ja) | 1992-01-27 | 1993-09-21 | Ricoh Co Ltd | 光ディスク装置 |
US5289442A (en) * | 1992-06-19 | 1994-02-22 | U.S. Philips Corporation | Optical scanner with a long fast access stroke |
JPH06301984A (ja) * | 1993-04-12 | 1994-10-28 | Olympus Optical Co Ltd | 光学的情報記録及び/又は再生装置 |
US5444682A (en) * | 1993-09-07 | 1995-08-22 | Matsushita Electric Industrial Co., Ltd. | Tracking control apparatus |
JP3413684B2 (ja) * | 1994-12-16 | 2003-06-03 | ソニー株式会社 | 多層光ディスク再生装置および方法 |
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JP3546549B2 (ja) | 1995-08-04 | 2004-07-28 | ソニー株式会社 | 光学式ディスク駆動装置および方法 |
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CN1257496C (zh) * | 1996-07-31 | 2006-05-24 | 三洋电机株式会社 | 光盘装置 |
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JPH10199003A (ja) * | 1997-01-10 | 1998-07-31 | Sony Corp | 光ディスク装置 |
JPH10269581A (ja) | 1997-03-27 | 1998-10-09 | Toshiba Corp | 光ヘッドのフォーカス制御装置 |
JP3557846B2 (ja) * | 1997-04-22 | 2004-08-25 | ソニー株式会社 | フォーカスサーボ装置及びフォーカスサーボ制御方法 |
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JP3836256B2 (ja) | 1998-03-31 | 2006-10-25 | 松下電器産業株式会社 | 光ディスク装置 |
JPH11345421A (ja) | 1998-05-29 | 1999-12-14 | Toshiba Corp | ディスク装置及びディスク再生方法 |
JP3720203B2 (ja) | 1998-11-17 | 2005-11-24 | パイオニア株式会社 | フォーカスジャンプ装置 |
JP2000215467A (ja) * | 1999-01-21 | 2000-08-04 | Alpine Electronics Inc | ディジタルディスクのフォ―カスサ―チ方法及び制御装置 |
JP3589347B2 (ja) * | 1999-09-13 | 2004-11-17 | 松下電器産業株式会社 | 光ディスク装置 |
US6298012B1 (en) * | 1999-10-04 | 2001-10-02 | The United States Of America As Represented By The Secretary Of The Navy | Doubly resonant push-pull flextensional |
US6756674B1 (en) * | 1999-10-22 | 2004-06-29 | Lsi Logic Corporation | Low dielectric constant silicon oxide-based dielectric layer for integrated circuit structures having improved compatibility with via filler materials, and method of making same |
JP3719075B2 (ja) | 1999-12-13 | 2005-11-24 | 松下電器産業株式会社 | 光ディスク装置 |
WO2001054119A2 (en) * | 2000-01-24 | 2001-07-26 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium, optical reproduction apparatus, and optical reproduction method |
JP2001319344A (ja) * | 2000-03-03 | 2001-11-16 | Sony Computer Entertainment Inc | フォーカス制御装置、記録媒体および光ディスク再生装置 |
KR100631239B1 (ko) * | 2000-03-16 | 2006-10-02 | 엘지전자 주식회사 | 다층 디스크에서의 층간 점프 제어방법 |
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JP3995993B2 (ja) * | 2001-06-22 | 2007-10-24 | パイオニア株式会社 | 光ピックアップのフォーカシング制御装置及び方法 |
JP2004013947A (ja) * | 2002-06-04 | 2004-01-15 | Victor Co Of Japan Ltd | 情報記録担体、再生装置、記録装置、記録再生装置、再生方法、記録方法及び記録再生方法 |
JP2004310972A (ja) * | 2003-03-25 | 2004-11-04 | Ricoh Co Ltd | 情報処理装置、情報記録装置、情報処理システム、情報記録方法、情報記録用プログラム及び記憶媒体 |
-
2001
- 2001-05-30 JP JP2001162601A patent/JP4089177B2/ja not_active Expired - Fee Related
- 2001-08-24 US US09/935,795 patent/US6865141B2/en not_active Expired - Fee Related
- 2001-08-25 CN CN011384352A patent/CN1218300C/zh not_active Expired - Fee Related
-
2004
- 2004-11-16 US US10/988,536 patent/US7212472B2/en not_active Expired - Fee Related
- 2004-11-16 US US10/988,537 patent/US7200075B2/en not_active Expired - Fee Related
- 2004-11-16 US US10/988,533 patent/US7151722B2/en not_active Expired - Lifetime
-
2007
- 2007-03-08 US US11/715,407 patent/US7471597B2/en not_active Expired - Fee Related
-
2008
- 2008-12-01 US US12/325,669 patent/US7848190B2/en not_active Expired - Fee Related
-
2010
- 2010-11-03 US US12/938,809 patent/US8284644B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7151722B2 (en) | 2006-12-19 |
JP2002203323A (ja) | 2002-07-19 |
US20050088928A1 (en) | 2005-04-28 |
US6865141B2 (en) | 2005-03-08 |
US20070159950A1 (en) | 2007-07-12 |
US7212472B2 (en) | 2007-05-01 |
US7848190B2 (en) | 2010-12-07 |
CN1350286A (zh) | 2002-05-22 |
US20050088927A1 (en) | 2005-04-28 |
US20050088929A1 (en) | 2005-04-28 |
US20090086592A1 (en) | 2009-04-02 |
JP4089177B2 (ja) | 2008-05-28 |
US20020048236A1 (en) | 2002-04-25 |
US8284644B2 (en) | 2012-10-09 |
US20110044144A1 (en) | 2011-02-24 |
US7471597B2 (en) | 2008-12-30 |
US7200075B2 (en) | 2007-04-03 |
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Owner name: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130820 |
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Effective date of registration: 20130820 Address after: Tokyo, Japan Patentee after: Hitachi Consumer Electronics Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Manufacturing Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |