DE69118584D1 - Prädiktion für kodierte Signalverarbeitungskanäle - Google Patents
Prädiktion für kodierte SignalverarbeitungskanäleInfo
- Publication number
- DE69118584D1 DE69118584D1 DE69118584T DE69118584T DE69118584D1 DE 69118584 D1 DE69118584 D1 DE 69118584D1 DE 69118584 T DE69118584 T DE 69118584T DE 69118584 T DE69118584 T DE 69118584T DE 69118584 D1 DE69118584 D1 DE 69118584D1
- Authority
- DE
- Germany
- Prior art keywords
- prediction
- signal processing
- coded signal
- processing channels
- channels
- 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
-
- 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
- G11B20/1488—Digital recording or reproducing using self-clocking codes characterised by the use of three levels
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/526,878 US5291500A (en) | 1990-05-22 | 1990-05-22 | Eight-sample look-ahead for coded signal processing channels |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69118584D1 true DE69118584D1 (de) | 1996-05-15 |
DE69118584T2 DE69118584T2 (de) | 1996-10-24 |
Family
ID=24099190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69118584T Expired - Fee Related DE69118584T2 (de) | 1990-05-22 | 1991-05-09 | Prädiktion für kodierte Signalverarbeitungskanäle |
Country Status (5)
Country | Link |
---|---|
US (1) | US5291500A (de) |
EP (1) | EP0458490B1 (de) |
JP (1) | JP2677297B2 (de) |
DE (1) | DE69118584T2 (de) |
SG (1) | SG44417A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5424881A (en) * | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
US5491698A (en) * | 1993-12-16 | 1996-02-13 | International Business Machines Corporation | Setting optimal boundary thresholds in a decoder for coded signal processing channels |
US5430745A (en) * | 1994-02-17 | 1995-07-04 | International Business Machines Corporation | Prejudging current state in a decoder for coded signal processing channels |
US5559840A (en) * | 1994-09-27 | 1996-09-24 | Inernational Business Machines Corporation | Digital timing recovery method and apparatus for a coded data channel |
US5757294A (en) * | 1996-12-31 | 1998-05-26 | Quantum Corporation | Rate 24/25 modulation code for PRML recording channels |
ATE320110T1 (de) * | 2001-11-30 | 2006-03-15 | Koninkl Philips Electronics Nv | Bitdetektionsanordnung und vorrichtung zur wiedergabe von informationen |
US7430084B2 (en) * | 2004-12-03 | 2008-09-30 | International Business Machines Corporation | Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector |
CN108713205B (zh) | 2016-08-22 | 2022-11-11 | 甲骨文国际公司 | 用于自动映射与数据流环境一起使用的数据类型的系统和方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4413251A (en) * | 1981-07-16 | 1983-11-01 | International Business Machines Corporation | Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3 |
US4488142A (en) * | 1981-12-31 | 1984-12-11 | International Business Machines Corporation | Apparatus for encoding unconstrained data onto a (1,7) format with rate 2/3 |
US4888779A (en) * | 1988-03-18 | 1989-12-19 | International Business Machines Corporation | Matched spectral null trellis codes for partial response channels |
JP2840747B2 (ja) * | 1988-05-25 | 1998-12-24 | ソニー株式会社 | ディジタル信号再生装置 |
US4945538A (en) * | 1988-11-14 | 1990-07-31 | International Business Machines Corporation | Method and apparatus for processing sample values in a coded signal processing channel |
-
1990
- 1990-05-22 US US07/526,878 patent/US5291500A/en not_active Expired - Fee Related
-
1991
- 1991-04-02 JP JP3094893A patent/JP2677297B2/ja not_active Expired - Fee Related
- 1991-05-09 DE DE69118584T patent/DE69118584T2/de not_active Expired - Fee Related
- 1991-05-09 SG SG1996000254A patent/SG44417A1/en unknown
- 1991-05-09 EP EP91304163A patent/EP0458490B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04230123A (ja) | 1992-08-19 |
EP0458490B1 (de) | 1996-04-10 |
JP2677297B2 (ja) | 1997-11-17 |
SG44417A1 (en) | 1997-12-19 |
EP0458490A3 (en) | 1993-10-06 |
DE69118584T2 (de) | 1996-10-24 |
EP0458490A2 (de) | 1991-11-27 |
US5291500A (en) | 1994-03-01 |
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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 |