KR960025423A - 다층 디스크로부터 데이타를 재생하는 장치 및 방법 - Google Patents
다층 디스크로부터 데이타를 재생하는 장치 및 방법 Download PDFInfo
- Publication number
- KR960025423A KR960025423A KR1019950050311A KR19950050311A KR960025423A KR 960025423 A KR960025423 A KR 960025423A KR 1019950050311 A KR1019950050311 A KR 1019950050311A KR 19950050311 A KR19950050311 A KR 19950050311A KR 960025423 A KR960025423 A KR 960025423A
- Authority
- KR
- South Korea
- Prior art keywords
- objective lens
- voltage
- comparing
- focal point
- accelerating
- 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.)
- Withdrawn
Links
- 230000001133 acceleration Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to 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
- G11B7/08—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
- G11B7/0945—Methods for initialising servos, start-up sequences
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
-
- 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
- G11B7/0908—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 focusing only
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Automatic Disk Changers (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94-334282 | 1994-12-16 | ||
JP33428294A JP3413684B2 (ja) | 1994-12-16 | 1994-12-16 | 多層光ディスク再生装置および方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR960025423A true KR960025423A (ko) | 1996-07-20 |
Family
ID=18275601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950050311A Withdrawn KR960025423A (ko) | 1994-12-16 | 1995-12-15 | 다층 디스크로부터 데이타를 재생하는 장치 및 방법 |
Country Status (14)
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69624553D1 (de) * | 1995-06-01 | 2002-12-05 | Koninkl Philips Electronics Nv | Optische abtastvorrichtung eines mehrschichtigen aufzeichnungsträgers mit fokusregelungsschaltung |
CN1075222C (zh) | 1995-07-27 | 2001-11-21 | 松下电器产业株式会社 | 光盘装置 |
KR100453526B1 (ko) * | 1995-07-31 | 2005-01-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 초점제어회로를포함하는, 다층기록매체용광학주사장치 |
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 |
KR0162385B1 (ko) * | 1995-08-05 | 1998-12-15 | 구자홍 | 멀티-레이어 디스크의 포커스 서보장치 및 방법 |
JP3561576B2 (ja) * | 1995-09-07 | 2004-09-02 | パイオニア株式会社 | 多層ディスク再生装置 |
JPH09326161A (ja) * | 1996-06-06 | 1997-12-16 | Kenwood Corp | 光ディスク装置 |
JP3488584B2 (ja) * | 1996-11-06 | 2004-01-19 | パイオニア株式会社 | 多層光ディスク記録情報の再生装置 |
JP3439300B2 (ja) | 1996-06-11 | 2003-08-25 | パイオニア株式会社 | 情報記録媒体判別装置 |
EP0818776B1 (en) * | 1996-07-10 | 2008-02-13 | Hitachi, Ltd. | Optical disc apparatus accessing method and system therefor |
US6370093B1 (en) | 1996-07-31 | 2002-04-09 | Sanyo Electric Co., Ltd | Optical disc device |
JPH1097720A (ja) * | 1996-09-20 | 1998-04-14 | Nikon Corp | 情報記録再生装置 |
JP3950529B2 (ja) * | 1997-06-27 | 2007-08-01 | パイオニア株式会社 | 多層記録ディスクのフォーカスジャンプ制御装置及びその制御方法 |
US6208597B1 (en) * | 1997-11-28 | 2001-03-27 | Pioneer Electronic Corporation | Transfer control system of information read beam |
JP4036515B2 (ja) * | 1997-12-22 | 2008-01-23 | 松下電器産業株式会社 | 光ディスク装置 |
EP1095375A4 (en) * | 1998-07-08 | 2004-05-12 | Wea Mfg Inc | OPTICAL MEDIA DEVELOPMENT PROCESS |
JP2000090554A (ja) * | 1998-09-10 | 2000-03-31 | Pioneer Electronic Corp | 光ディスク判別方法及び装置 |
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 |
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 |
JP4089177B2 (ja) * | 2000-10-25 | 2008-05-28 | 株式会社日立製作所 | 光ディスク装置及び層間ジャンプ方法 |
JP2002208147A (ja) * | 2001-01-15 | 2002-07-26 | Funai Electric Co Ltd | 光ピックアップのフォーカスサーボ装置 |
US6655804B2 (en) * | 2001-06-29 | 2003-12-02 | Daniel G. Streibig | Colored contact lens and method of making same |
TWI249157B (en) | 2001-07-11 | 2006-02-11 | Via Tech Inc | Focusing method of jumping-layer reading data for CD-ROM drive |
KR100892101B1 (ko) * | 2001-07-26 | 2009-04-08 | 소니 가부시끼 가이샤 | 광디스크 기록 재생 장치와 그 포커스 처리 방법 및광디스크 기록 매체 |
US7054240B2 (en) * | 2002-03-04 | 2006-05-30 | Zoran Corporation | Method and apparatus for providing focus control on a multi layer disc |
TW200501123A (en) * | 2003-04-18 | 2005-01-01 | Matsushita Electric Ind Co Ltd | Compact disc controller |
JP4633346B2 (ja) * | 2003-05-12 | 2011-02-16 | ソニー株式会社 | 記録媒体、記録装置、記録方法 |
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 |
EP1619677B1 (en) * | 2003-10-03 | 2011-06-08 | Panasonic Corporation | Optical pickup drive device and optical pickup focus pull-in method |
TWI236008B (en) * | 2003-12-02 | 2005-07-11 | Mediatek Inc | Method and apparatus for measuring a displacement gain in an optical storage device |
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 |
JP4569812B2 (ja) * | 2004-11-30 | 2010-10-27 | ソニー株式会社 | 光ディスク装置、光ディスク装置の焦点位置制御方法及び焦点位置制御装置 |
EP1825464B1 (en) * | 2004-12-06 | 2009-03-11 | Philips & Lite-On Digital Solutions Corporation | Device and method for use in optical record carrier systems |
CN100403414C (zh) * | 2006-07-14 | 2008-07-16 | 威盛电子股份有限公司 | 光碟片跳层点的设定方法 |
US20100034069A1 (en) * | 2008-08-08 | 2010-02-11 | Chih-Ching Yu | Method for controlling focus loop of an optical storage device |
JP7103836B2 (ja) * | 2018-04-24 | 2022-07-20 | エイブリック株式会社 | ゼロクロス検出回路およびセンサ装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5680835A (en) * | 1979-12-07 | 1981-07-02 | Pioneer Video Corp | Servo lead-in device for focus lens of optical information reader |
JPS58155527A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 光デイスクプレ−ヤのフオ−カス引き込み回路 |
JPS61188745A (ja) * | 1985-02-15 | 1986-08-22 | Olympus Optical Co Ltd | フオ−カスサ−ボ制御方式 |
JPH01133224A (ja) * | 1987-04-07 | 1989-05-25 | Olympus Optical Co Ltd | 光デイスク装置 |
JPH0276128A (ja) * | 1988-09-13 | 1990-03-15 | Pioneer Electron Corp | フォーカスサーボ引込み方法 |
JPH04364229A (ja) * | 1990-11-01 | 1992-12-16 | Matsushita Electric Ind Co Ltd | 光方式記録再生方法および記録媒体、光方式記録再生装置 |
US5255262A (en) * | 1991-06-04 | 1993-10-19 | International Business Machines Corporation | Multiple data surface optical data storage system with transmissive data surfaces |
JPH0581685A (ja) * | 1991-09-24 | 1993-04-02 | Sony Corp | 光学式デイスク装置 |
US5477514A (en) * | 1993-09-07 | 1995-12-19 | Matsushita Electric Industrial Co., Ltd. | Control apparatus for controlling focusing, accessing and spindle rotating circuits to operate simultaneously |
-
1994
- 1994-12-16 JP JP33428294A patent/JP3413684B2/ja not_active Expired - Lifetime
-
1995
- 1995-12-09 TW TW084113150A patent/TW281759B/zh not_active IP Right Cessation
- 1995-12-11 CA CA002164929A patent/CA2164929A1/en not_active Abandoned
- 1995-12-12 AU AU40384/95A patent/AU703592B2/en not_active Expired
- 1995-12-13 US US08/571,360 patent/US5754507A/en not_active Expired - Lifetime
- 1995-12-13 MX MX9505230A patent/MX9505230A/es unknown
- 1995-12-14 ES ES95309136T patent/ES2167408T3/es not_active Expired - Lifetime
- 1995-12-14 MY MYPI95003859A patent/MY113211A/en unknown
- 1995-12-14 AT AT95309136T patent/ATE208946T1/de not_active IP Right Cessation
- 1995-12-14 DE DE69523872T patent/DE69523872T2/de not_active Expired - Fee Related
- 1995-12-14 EP EP95309136A patent/EP0717401B1/en not_active Expired - Lifetime
- 1995-12-15 BR BR9505922A patent/BR9505922A/pt not_active Application Discontinuation
- 1995-12-15 KR KR1019950050311A patent/KR960025423A/ko not_active Withdrawn
- 1995-12-16 CN CN95118876A patent/CN1086045C/zh not_active Expired - Fee Related
-
1997
- 1997-09-15 US US08/929,494 patent/US5835460A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5754507A (en) | 1998-05-19 |
TW281759B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1996-07-21 |
CA2164929A1 (en) | 1996-06-17 |
JP3413684B2 (ja) | 2003-06-03 |
EP0717401B1 (en) | 2001-11-14 |
CN1128389A (zh) | 1996-08-07 |
US5835460A (en) | 1998-11-10 |
MX9505230A (es) | 1997-01-31 |
CN1086045C (zh) | 2002-06-05 |
AU703592B2 (en) | 1999-03-25 |
AU4038495A (en) | 1996-06-27 |
EP0717401A1 (en) | 1996-06-19 |
DE69523872D1 (de) | 2001-12-20 |
JPH08171731A (ja) | 1996-07-02 |
ATE208946T1 (de) | 2001-11-15 |
BR9505922A (pt) | 1997-12-23 |
DE69523872T2 (de) | 2002-08-29 |
ES2167408T3 (es) | 2002-05-16 |
MY113211A (en) | 2001-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19951215 |
|
PG1501 | Laying open of application | ||
PC1203 | Withdrawal of no request for examination | ||
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |