DE69834463D1 - Vorrichtung und Verfahren zur Wiedergabe einer optischen Platte - Google Patents
Vorrichtung und Verfahren zur Wiedergabe einer optischen PlatteInfo
- Publication number
- DE69834463D1 DE69834463D1 DE69834463T DE69834463T DE69834463D1 DE 69834463 D1 DE69834463 D1 DE 69834463D1 DE 69834463 T DE69834463 T DE 69834463T DE 69834463 T DE69834463 T DE 69834463T DE 69834463 D1 DE69834463 D1 DE 69834463D1
- Authority
- DE
- Germany
- Prior art keywords
- reproducing
- optical disk
- disk
- optical
- 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
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
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- 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
- G11B20/02—Analogue recording or reproducing
- G11B20/08—Pulse-modulation recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—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
- G11B7/007—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
- G11B7/00745—Sectoring or header formats within a track
-
- 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
- G11B7/00772—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 on record carriers storing information in the form of optical interference patterns, e.g. holograms
- G11B7/00781—Auxiliary information, e.g. index marks, address marks, pre-pits, gray codes
-
- 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
- G11B7/127—Lasers; Multiple laser arrays
-
- 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
- G11B7/13—Optical detectors therefor
- G11B7/133—Shape of individual detector elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28810197 | 1997-10-21 | ||
JP28810197 | 1997-10-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69834463D1 true DE69834463D1 (de) | 2006-06-14 |
DE69834463T2 DE69834463T2 (de) | 2006-11-16 |
Family
ID=17725815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69834463T Expired - Fee Related DE69834463T2 (de) | 1997-10-21 | 1998-10-20 | Vorrichtung und Verfahren zur Wiedergabe einer optischen Platte |
Country Status (8)
Country | Link |
---|---|
US (2) | US6208604B1 (de) |
EP (1) | EP0911817B1 (de) |
KR (1) | KR100281948B1 (de) |
CN (2) | CN1322495C (de) |
DE (1) | DE69834463T2 (de) |
MY (1) | MY126746A (de) |
SG (1) | SG93189A1 (de) |
TW (1) | TW406261B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0029286D0 (en) * | 2000-11-30 | 2001-01-17 | Lsi Logic Europ Ltd | A method and apparatus for reducing noise in a tracking error signal |
US20040174933A1 (en) * | 2003-03-07 | 2004-09-09 | Electronic Data Systems Corporation | System and method for data communications using an adaptive pulse width modulation protocol |
JP4050738B2 (ja) * | 2003-11-07 | 2008-02-20 | 松下電器産業株式会社 | アドレス信号位置検出装置、光ディスク再生装置およびアドレス信号位置検出方法 |
US7778143B2 (en) * | 2004-04-15 | 2010-08-17 | Panasonic Corporation | Optical disk and optical disk apparatus |
CN101847114B (zh) * | 2010-03-23 | 2012-07-04 | 苏州国芯科技有限公司 | 一种监测信号电平的实现方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63146229A (ja) * | 1986-12-10 | 1988-06-18 | Sony Corp | 光学式プレ−ヤにおけるスレツドサ−ボ回路 |
JPH03222157A (ja) * | 1990-01-25 | 1991-10-01 | Nec Corp | 磁気ディスク装置 |
US5150050A (en) * | 1990-07-30 | 1992-09-22 | Seagate Technology, Inc. | Adaptive variable threshold qualification level circuit for signal processing in disk drives |
US5353175A (en) * | 1991-12-02 | 1994-10-04 | Sony Corporation | Apparatus for using window signal generators to enable detection of header information such as an address mark, sector mark, or address information recorded on each sector of a disc recording medium only where such information could be present |
JPH0660431A (ja) * | 1992-08-07 | 1994-03-04 | Ricoh Co Ltd | 光ディスク |
US6078551A (en) * | 1993-04-16 | 2000-06-20 | Matsushita Electric Industrial Co., Ltd. | Optical information recording or erasing system |
US5430702A (en) * | 1994-02-16 | 1995-07-04 | International Business Machines Corporation | Calibration of readback threshold in an optical storage device |
US5396479A (en) * | 1994-05-06 | 1995-03-07 | Maxoptix Corporation | Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system |
US5894468A (en) * | 1994-05-06 | 1999-04-13 | Discovision Associates | Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level |
JPH0831092A (ja) * | 1994-07-20 | 1996-02-02 | Hitachi Ltd | 光ディスク装置 |
US5872767A (en) * | 1995-02-17 | 1999-02-16 | Matsushita Electric Industrial Co., Ltd. | Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks |
JPH09237459A (ja) | 1996-02-29 | 1997-09-09 | Sanyo Electric Co Ltd | 光ディスク用の信号再生回路 |
-
1998
- 1998-10-20 DE DE69834463T patent/DE69834463T2/de not_active Expired - Fee Related
- 1998-10-20 MY MYPI98004781A patent/MY126746A/en unknown
- 1998-10-20 EP EP98119853A patent/EP0911817B1/de not_active Expired - Lifetime
- 1998-10-20 TW TW087117343A patent/TW406261B/zh active
- 1998-10-20 US US09/175,649 patent/US6208604B1/en not_active Ceased
- 1998-10-21 CN CNB03128681XA patent/CN1322495C/zh not_active Expired - Fee Related
- 1998-10-21 CN CN98120671A patent/CN1113339C/zh not_active Expired - Fee Related
- 1998-10-21 SG SG9804236A patent/SG93189A1/en unknown
- 1998-10-21 KR KR1019980044054A patent/KR100281948B1/ko not_active IP Right Cessation
-
2003
- 2003-03-26 US US10/397,891 patent/USRE39067E1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0911817A2 (de) | 1999-04-28 |
KR100281948B1 (ko) | 2001-03-02 |
EP0911817B1 (de) | 2006-05-10 |
KR19990037247A (ko) | 1999-05-25 |
MY126746A (en) | 2006-10-31 |
CN1215203A (zh) | 1999-04-28 |
EP0911817A3 (de) | 2000-01-26 |
US6208604B1 (en) | 2001-03-27 |
CN1322495C (zh) | 2007-06-20 |
SG93189A1 (en) | 2002-12-17 |
DE69834463T2 (de) | 2006-11-16 |
USRE39067E1 (en) | 2006-04-18 |
TW406261B (en) | 2000-09-21 |
CN1516123A (zh) | 2004-07-28 |
CN1113339C (zh) | 2003-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8339 | Ceased/non-payment of the annual fee |