CN1170277C - 执行读写操作的设备 - Google Patents
执行读写操作的设备 Download PDFInfo
- Publication number
- CN1170277C CN1170277C CNB981259928A CN98125992A CN1170277C CN 1170277 C CN1170277 C CN 1170277C CN B981259928 A CNB981259928 A CN B981259928A CN 98125992 A CN98125992 A CN 98125992A CN 1170277 C CN1170277 C CN 1170277C
- Authority
- CN
- China
- Prior art keywords
- laser
- information
- present
- road
- write
- 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
Links
Images
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B7/0901—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
- G11B7/0903—Multi-beam tracking 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
- G11B7/0904—Dithered tracking systems
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Rotational Drive Of Disk (AREA)
Abstract
Description
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/023,920 | 1998-02-13 | ||
US09/023,920 US6081489A (en) | 1998-02-13 | 1998-02-13 | System for creating, reading and writing on rotatable information storage media, an apparatus for performing both read and write operations |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1226055A CN1226055A (zh) | 1999-08-18 |
CN1170277C true CN1170277C (zh) | 2004-10-06 |
Family
ID=21817933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981259928A Expired - Fee Related CN1170277C (zh) | 1998-02-13 | 1998-12-31 | 执行读写操作的设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6081489A (zh) |
JP (1) | JP3392770B2 (zh) |
KR (1) | KR100307788B1 (zh) |
CN (1) | CN1170277C (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6161106A (en) * | 1998-07-28 | 2000-12-12 | Motorola, Inc. | Perishable media system and method of operation |
US7227817B1 (en) * | 1999-12-07 | 2007-06-05 | Dphi Acquisitions, Inc. | Low profile optical head |
US7123159B2 (en) * | 2001-12-27 | 2006-10-17 | Koninklijke Philips Electronics N. V. | Position dependent information retrieval system |
JP4410012B2 (ja) * | 2004-03-30 | 2010-02-03 | 株式会社リコー | 光記録/再生システム |
JP4212522B2 (ja) * | 2004-07-06 | 2009-01-21 | 太陽誘電株式会社 | ピックアップ装置 |
KR20200050673A (ko) * | 2018-11-02 | 2020-05-12 | 에스케이하이닉스 주식회사 | 메모리 장치 및 그것의 동작 방법 |
Family Cites Families (59)
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US3430966A (en) * | 1967-04-03 | 1969-03-04 | Gauss Electrophysics Inc | Transparent recording disc |
US3848095A (en) * | 1972-12-20 | 1974-11-12 | I O Metrics Corp | Three dimensional electro-optical retrieval system |
US3946367A (en) * | 1972-12-20 | 1976-03-23 | Videonics Of Hawaii, Inc. | Three dimensional electro-optical retrieval system |
US4164754A (en) * | 1974-07-16 | 1979-08-14 | Thomson-Brandt | Method of manufacturing a die designed to duplicate a video frequency signal recording |
US4090031A (en) * | 1974-10-21 | 1978-05-16 | Eli S. Jacobs | Multi-layered opitcal data records and playback apparatus |
US4021714A (en) * | 1975-01-08 | 1977-05-03 | Contraves-Goerz Corporation | Servo system employing a tracking digital angle encoder |
US4190775A (en) * | 1975-02-18 | 1980-02-26 | Agency Of Industrial Science & Technology | Optical memory playback apparatus |
JPS5922289B2 (ja) * | 1975-11-20 | 1984-05-25 | ソニー株式会社 | ジヨウホウケンシユツソウチ |
NL7600479A (nl) * | 1976-01-19 | 1977-07-21 | Philips Nv | Automatisch optisch focusseersysteem. |
JPS52109954A (en) * | 1976-03-11 | 1977-09-14 | Sony Corp | Optical signal reader |
NL7803069A (nl) * | 1978-03-22 | 1979-09-25 | Philips Nv | Meerlaags informatieschijf. |
US4241423A (en) * | 1978-12-22 | 1980-12-23 | Rca Corporation | Optical memory with injection laser as light source and detector |
US4271334A (en) * | 1979-04-06 | 1981-06-02 | Discovision Associates | Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc |
JPS6030015B2 (ja) * | 1979-05-09 | 1985-07-13 | 株式会社日立製作所 | 光ビ−ム位置制御装置 |
US4445209A (en) * | 1979-08-27 | 1984-04-24 | Discovision Associates | Dithered focusing systems |
US4301445A (en) * | 1979-12-10 | 1981-11-17 | General Electric Company | Communication system and method having wide dynamic range digital gain control |
CA1132258A (en) * | 1980-05-12 | 1982-09-21 | Herman W. Willemsen | Scanning head for an optical disc system |
JPS5720928A (en) * | 1980-07-09 | 1982-02-03 | Toshiba Corp | Optical disk reproduction system |
US4358774A (en) * | 1980-07-14 | 1982-11-09 | Discovision Associates | Apparatus and method for controlling focus in a recording system |
JPS57130240A (en) * | 1981-02-05 | 1982-08-12 | Olympus Optical Co Ltd | Optical information recording and reproducing device and information recording medium for it |
JPS57133531A (en) * | 1981-02-12 | 1982-08-18 | Agency Of Ind Science & Technol | Optical information processor |
JPS57181431A (en) * | 1981-04-10 | 1982-11-08 | Olympus Optical Co Ltd | Automatic tracking system for optical type disc |
US4449138A (en) * | 1981-04-15 | 1984-05-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Information recording medium |
US4481550A (en) * | 1982-04-26 | 1984-11-06 | Datacopy Corporation | Method and apparatus for following a recorded data track with a read head |
US4475179A (en) * | 1982-06-30 | 1984-10-02 | Eastman Kodak Company | Optical disc write/read methods and apparatus with improved focus and tracking control |
US4507363A (en) * | 1984-05-03 | 1985-03-26 | Union Carbide Corporation | Polyoxyalkyleneamine modified epoxy coatings for corroded metal surfaces |
US4700336A (en) * | 1984-06-19 | 1987-10-13 | Matsushita Electric Industrial Co., Ltd. | Optical recording and playback apparatus using plural light spots |
JPS619848A (ja) * | 1984-06-23 | 1986-01-17 | Oki Electric Ind Co Ltd | 光記録媒体の案内溝形成方法 |
JPS6124693A (ja) * | 1984-07-12 | 1986-02-03 | Mitsubishi Heavy Ind Ltd | 艙内独立タンクの浮き上り防止装置 |
GB2187581B (en) * | 1985-04-10 | 1989-06-21 | Matsushita Electric Ind Co Ltd | Control circuit |
US4760565A (en) * | 1986-09-15 | 1988-07-26 | International Business Machines Corporation | High speed track access for optical disks using acousto-optic deflector |
JP2611220B2 (ja) * | 1987-04-15 | 1997-05-21 | ソニー株式会社 | レーザ再生装置 |
JPH0638292B2 (ja) * | 1987-06-23 | 1994-05-18 | 三菱電機株式会社 | 光学式情報記録再生装置 |
JP2681933B2 (ja) * | 1987-07-24 | 1997-11-26 | 松下電器産業株式会社 | 記録再生装置 |
US5077719A (en) * | 1987-08-28 | 1991-12-31 | Fujitsu Limited | Optical disk access system |
DE3732903A1 (de) * | 1987-09-30 | 1989-04-13 | Thomson Brandt Gmbh | Optische abtastvorrichtung |
JPH01178145A (ja) * | 1988-01-06 | 1989-07-14 | Nec Corp | 光記録媒体 |
DE68928586T2 (de) * | 1988-04-12 | 1998-10-29 | Dainippon Printing Co Ltd | Optisches aufzeichnungsmedium und methode zu dessen herstellung |
US4972397A (en) * | 1988-12-02 | 1990-11-20 | Drexler Technology Corporation | Dithering optical data logger |
NL9000135A (nl) * | 1989-01-30 | 1990-08-16 | Seiko Epson Corp | Focusseermechanisme en optische kop. |
US5715157A (en) * | 1989-05-03 | 1998-02-03 | Deutsche Thomson-Brandt Gmbh | Apparatus for braking a spindle motor in a disc playback system |
US5029023A (en) * | 1989-09-29 | 1991-07-02 | Regents Of The University Of California | Laser-amplified motion detector and method |
JPH04155304A (ja) * | 1990-10-18 | 1992-05-28 | Ricoh Co Ltd | 集光位置検出装置 |
US5138529A (en) * | 1990-11-30 | 1992-08-11 | Compag Computer Corporation | Supportive ground clip for computer system board |
JPH05182203A (ja) * | 1992-01-07 | 1993-07-23 | Victor Co Of Japan Ltd | 光学的記録媒体円盤 |
JP3151909B2 (ja) * | 1992-02-18 | 2001-04-03 | ブラザー工業株式会社 | 光記録媒体および光記録媒体用基板 |
FR2690542B1 (fr) * | 1992-04-22 | 1997-11-14 | France Telecom | Dispositif de lecture d'inscriptions sur un support, application a la lecture de disques compacts et de codes-barres. |
US5251198A (en) * | 1992-05-29 | 1993-10-05 | Strickler James H | Reading device for multi-layered optical information carrier |
US5386409A (en) * | 1992-08-05 | 1995-01-31 | Kabushiki Kaisha Toshiba | Optical information reproducing apparatus having improved laser oscillation |
CA2092762A1 (en) * | 1993-01-19 | 1994-07-20 | Teruyuki Kobayashi | Life span detector for a laser diode and a compact disk player having the same |
JP2776243B2 (ja) * | 1994-03-25 | 1998-07-16 | 日本ビクター株式会社 | 光ピックアップ装置 |
JPH07326066A (ja) * | 1994-05-31 | 1995-12-12 | Asahi Optical Co Ltd | 光学式情報記録再生装置 |
US5511059A (en) * | 1994-06-14 | 1996-04-23 | Eastman Kodak Company | Multi-element grating beam splitter with a reflection grating element for use in front facet substraction |
JP3547175B2 (ja) * | 1994-07-28 | 2004-07-28 | ティアック株式会社 | 光ディスク再生装置 |
JPH08321067A (ja) * | 1995-05-22 | 1996-12-03 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
JPH0950632A (ja) * | 1995-08-03 | 1997-02-18 | Fujitsu Ltd | ピックアップ制御方法及び装置並びにディスク装置 |
JP3046529B2 (ja) * | 1995-09-07 | 2000-05-29 | 株式会社東芝 | 磁気記録装置 |
JP3509834B2 (ja) * | 1996-02-15 | 2004-03-22 | ソニー株式会社 | 記録再生装置および方法、並びにディスク |
US5872723A (en) * | 1998-02-13 | 1999-02-16 | International Business Machines Corporation | In a system for creating, reading and writing on rotatable information storage media an apparatus for determining drive mechanism aging characteristics |
-
1998
- 1998-02-13 US US09/023,920 patent/US6081489A/en not_active Expired - Lifetime
- 1998-12-31 CN CNB981259928A patent/CN1170277C/zh not_active Expired - Fee Related
-
1999
- 1999-01-14 KR KR1019990000886A patent/KR100307788B1/ko not_active IP Right Cessation
- 1999-02-04 JP JP02688599A patent/JP3392770B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3392770B2 (ja) | 2003-03-31 |
KR19990072257A (ko) | 1999-09-27 |
CN1226055A (zh) | 1999-08-18 |
KR100307788B1 (ko) | 2001-09-26 |
US6081489A (en) | 2000-06-27 |
JPH11273087A (ja) | 1999-10-08 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: MEDIATEK INC. Free format text: FORMER OWNER: INTERNATIONAL BUSINESS MACHINE CORP. Effective date: 20060303 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060303 Address after: Hsinchu Science Park, Taiwan, China Patentee after: MediaTek.Inc Address before: American New York Patentee before: International Business Machines Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041006 Termination date: 20161231 |