DE69721183D1 - Digitalsignalwiedergabe - Google Patents
DigitalsignalwiedergabeInfo
- Publication number
- DE69721183D1 DE69721183D1 DE69721183T DE69721183T DE69721183D1 DE 69721183 D1 DE69721183 D1 DE 69721183D1 DE 69721183 T DE69721183 T DE 69721183T DE 69721183 T DE69721183 T DE 69721183T DE 69721183 D1 DE69721183 D1 DE 69721183D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- block
- waveform equalization
- synchronous clock
- waveform
- 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
- 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
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
- G11B20/10231—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation wherein an asynchronous, free-running clock is used; Interpolation of sampled signals
-
- 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
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10314—Improvement or modification of read or write signals signal quality assessment amplitude of the recorded or reproduced signal
-
- 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
-
- 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
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
-
- 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
-
- 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
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Pulse Circuits (AREA)
- Networks Using Active Elements (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28710796 | 1996-10-29 | ||
JP28710796 | 1996-10-29 | ||
JP8331278A JPH10188482A (ja) | 1996-10-29 | 1996-12-11 | デジタル信号再生回路およびデジタル信号再生方法 |
JP33127896 | 1996-12-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69721183D1 true DE69721183D1 (de) | 2003-05-28 |
DE69721183T2 DE69721183T2 (de) | 2004-02-26 |
Family
ID=26556588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69721183T Expired - Fee Related DE69721183T2 (de) | 1996-10-29 | 1997-10-24 | Digitalsignalwiedergabe |
Country Status (7)
Country | Link |
---|---|
US (1) | US6052350A (de) |
EP (1) | EP0840317B1 (de) |
JP (1) | JPH10188482A (de) |
KR (1) | KR19980033264A (de) |
AT (1) | ATE238601T1 (de) |
DE (1) | DE69721183T2 (de) |
ES (1) | ES2193332T3 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11317018A (ja) * | 1998-04-30 | 1999-11-16 | Toshiba Corp | ディスク再生装置及びrfアンプ制御回路 |
US6445662B1 (en) * | 1998-12-24 | 2002-09-03 | Victor Company Of Japan, Ltd. | Reproducing apparatus |
JP3548057B2 (ja) * | 1999-08-31 | 2004-07-28 | 三洋電機株式会社 | 記録再生方法、および記録再生装置 |
JP4121503B2 (ja) * | 2002-11-29 | 2008-07-23 | 富士通株式会社 | データ再生装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4005477A (en) * | 1975-11-24 | 1977-01-25 | International Business Machines Corporation | Phase equalized readback apparatus and methods |
NL8303564A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
US4615037A (en) * | 1985-01-29 | 1986-09-30 | Ampex Corporation | Phase scatter detection and reduction circuit and method |
JPH02122734A (ja) * | 1988-11-01 | 1990-05-10 | Hitachi Ltd | 位相同期制御装置 |
AU655384B2 (en) * | 1991-07-26 | 1994-12-15 | General Instrument Corporation | Carrier phase recovery for an adaptive equalizer |
JP3458494B2 (ja) * | 1993-12-24 | 2003-10-20 | ソニー株式会社 | クロック信号再生回路およびデータ再生回路 |
US5835544A (en) * | 1993-12-24 | 1998-11-10 | Sony Corporation | Clock signal reproduction circuit and data reproduction circuit |
JP3630741B2 (ja) * | 1994-12-21 | 2005-03-23 | キヤノン株式会社 | データ処理装置 |
-
1996
- 1996-12-11 JP JP8331278A patent/JPH10188482A/ja active Pending
-
1997
- 1997-10-24 DE DE69721183T patent/DE69721183T2/de not_active Expired - Fee Related
- 1997-10-24 ES ES97308494T patent/ES2193332T3/es not_active Expired - Lifetime
- 1997-10-24 AT AT97308494T patent/ATE238601T1/de not_active IP Right Cessation
- 1997-10-24 EP EP97308494A patent/EP0840317B1/de not_active Expired - Lifetime
- 1997-10-27 US US08/958,010 patent/US6052350A/en not_active Expired - Fee Related
- 1997-10-29 KR KR1019970055866A patent/KR19980033264A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0840317B1 (de) | 2003-04-23 |
ATE238601T1 (de) | 2003-05-15 |
EP0840317A3 (de) | 1999-04-21 |
DE69721183T2 (de) | 2004-02-26 |
US6052350A (en) | 2000-04-18 |
EP0840317A2 (de) | 1998-05-06 |
JPH10188482A (ja) | 1998-07-21 |
ES2193332T3 (es) | 2003-11-01 |
KR19980033264A (ko) | 1998-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |