DE69030460D1 - Wiedergabegerät für ein digitales Signal - Google Patents
Wiedergabegerät für ein digitales SignalInfo
- Publication number
- DE69030460D1 DE69030460D1 DE69030460T DE69030460T DE69030460D1 DE 69030460 D1 DE69030460 D1 DE 69030460D1 DE 69030460 T DE69030460 T DE 69030460T DE 69030460 T DE69030460 T DE 69030460T DE 69030460 D1 DE69030460 D1 DE 69030460D1
- Authority
- DE
- Germany
- Prior art keywords
- digital signal
- playback device
- playback
- digital
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1047793A JP2784786B2 (ja) | 1989-02-28 | 1989-02-28 | 磁気記録再生装置 |
JP1139654A JP2853171B2 (ja) | 1989-05-31 | 1989-05-31 | 磁気記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69030460D1 true DE69030460D1 (de) | 1997-05-22 |
DE69030460T2 DE69030460T2 (de) | 1997-07-24 |
Family
ID=26387964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69030460T Expired - Lifetime DE69030460T2 (de) | 1989-02-28 | 1990-02-28 | Wiedergabegerät für ein digitales Signal |
Country Status (4)
Country | Link |
---|---|
US (1) | US5270876A (de) |
EP (1) | EP0385867B1 (de) |
AU (1) | AU629300B2 (de) |
DE (1) | DE69030460T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0445780B1 (de) * | 1990-03-07 | 1997-07-09 | Canon Kabushiki Kaisha | System zum Aufzeichnen und Wiedergeben eines Bildsignals |
US5150379A (en) * | 1991-09-27 | 1992-09-22 | Hewlett-Packard Company | Signal processing system for adaptive equalization |
JP3259302B2 (ja) * | 1992-01-28 | 2002-02-25 | 株式会社日立製作所 | 出力信号復号方法および装置 |
JPH06231406A (ja) * | 1993-02-04 | 1994-08-19 | Hitachi Ltd | 磁気記録再生方法および磁気記録再生装置 |
JP3233485B2 (ja) * | 1993-04-06 | 2001-11-26 | 松下電器産業株式会社 | ディジタル信号検出回路 |
US5602858A (en) * | 1993-09-20 | 1997-02-11 | Kabushiki Kaisha Toshiba | Digital signal decoding apparatus having a plurality of correlation tables and a method thereof |
DE69424908T2 (de) * | 1993-09-20 | 2000-11-09 | Canon Kk | Signalverarbeitungsapparat |
JP3237974B2 (ja) * | 1993-09-20 | 2001-12-10 | 株式会社東芝 | ディジタル信号復号装置 |
EP0684608B1 (de) * | 1994-05-23 | 1999-10-06 | STMicroelectronics S.r.l. | Vorrichtung zur Verarbeitung von Servosignalen in einer in Parallelarchitektur ausgeführten Lesevorrichtung für Festplatten |
EP0684605B1 (de) * | 1994-05-23 | 1999-10-06 | STMicroelectronics S.r.l. | In Parallelarchitektur ausgeführte PRML Vorrichtung zur Verarbeitung von Signalen während eines Leseschrittes durch einen Magnetkopf |
JPH08329619A (ja) * | 1994-10-27 | 1996-12-13 | Hitachi Ltd | データ再生方法、データ再生装置、およびデータ再生用回路 |
EP0758784A3 (de) * | 1995-08-16 | 1998-06-03 | Nikon Corporation | Informationswiedergabegerät |
JP3475627B2 (ja) * | 1995-12-22 | 2003-12-08 | ソニー株式会社 | ディジタル信号再生装置および再生方法 |
JP2005166221A (ja) * | 2003-12-05 | 2005-06-23 | Canon Inc | 情報再生方法及び情報再生装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5514726A (en) * | 1978-07-19 | 1980-02-01 | Hitachi Ltd | Magnetic recorder/reproducer |
JPS62135018A (ja) * | 1985-12-06 | 1987-06-18 | Fujitsu Ltd | ビタビ復号器 |
EP0269756B1 (de) * | 1986-08-05 | 1991-01-09 | International Business Machines Corporation | Verstärkungssteuerungsschaltung für ein Wiedergabegerät in einem magnetischen Aufzeichnungssystem, welches ein Verfahren mit partieller Wiedergabe und höchster Wahrscheinlichkeit verwendet |
US4991034A (en) * | 1987-12-11 | 1991-02-05 | Sanyo Electric Co., Ltd. | DC restoration circuit for restoring and compensating a low frequency component lost in a digital signal |
US5095392A (en) * | 1988-01-27 | 1992-03-10 | Matsushita Electric Industrial Co., Ltd. | Digital signal magnetic recording/reproducing apparatus using multi-level QAM modulation and maximum likelihood decoding |
JP2629238B2 (ja) * | 1988-02-05 | 1997-07-09 | ソニー株式会社 | 復号装置及び復号方法 |
-
1990
- 1990-02-19 AU AU49915/90A patent/AU629300B2/en not_active Expired
- 1990-02-20 US US07/482,302 patent/US5270876A/en not_active Expired - Lifetime
- 1990-02-28 DE DE69030460T patent/DE69030460T2/de not_active Expired - Lifetime
- 1990-02-28 EP EP90400566A patent/EP0385867B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0385867B1 (de) | 1997-04-16 |
EP0385867A2 (de) | 1990-09-05 |
DE69030460T2 (de) | 1997-07-24 |
EP0385867A3 (de) | 1992-06-17 |
AU629300B2 (en) | 1992-10-01 |
AU4991590A (en) | 1990-09-06 |
US5270876A (en) | 1993-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |