DE68920605T2 - Adaptives Entzerrersystem. - Google Patents
Adaptives Entzerrersystem.Info
- Publication number
- DE68920605T2 DE68920605T2 DE68920605T DE68920605T DE68920605T2 DE 68920605 T2 DE68920605 T2 DE 68920605T2 DE 68920605 T DE68920605 T DE 68920605T DE 68920605 T DE68920605 T DE 68920605T DE 68920605 T2 DE68920605 T2 DE 68920605T2
- Authority
- DE
- Germany
- Prior art keywords
- adaptive equalizer
- equalizer system
- adaptive
- equalizer
- 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
-
- 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
-
- 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
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/035—Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63057004A JPH01229516A (ja) | 1988-03-10 | 1988-03-10 | 自動等化器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68920605D1 DE68920605D1 (de) | 1995-03-02 |
DE68920605T2 true DE68920605T2 (de) | 1995-09-07 |
Family
ID=13043322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68920605T Expired - Fee Related DE68920605T2 (de) | 1988-03-10 | 1989-03-03 | Adaptives Entzerrersystem. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4928287A (de) |
EP (1) | EP0332079B1 (de) |
JP (1) | JPH01229516A (de) |
KR (1) | KR0120112B1 (de) |
DE (1) | DE68920605T2 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5274512A (en) * | 1989-03-13 | 1993-12-28 | Sony Corporation | Coefficient control system for digital equalizer using orthogonal oscillation |
US5237588A (en) * | 1989-03-13 | 1993-08-17 | Sony Corporation | Automatic equalizer |
DE4006426C2 (de) * | 1990-03-01 | 1993-11-18 | Siemens Nixdorf Inf Syst | Verfahren zum Auswerten binärer Informationen einer Magnetspeicherkarte |
JP2586169B2 (ja) * | 1990-03-06 | 1997-02-26 | 日本電気株式会社 | 復調システム |
JPH0481181A (ja) * | 1990-07-23 | 1992-03-13 | Sony Corp | ビデオディスク再生装置 |
JPH0498602A (ja) * | 1990-08-14 | 1992-03-31 | Sony Corp | 再生装置 |
US5432794A (en) * | 1991-01-29 | 1995-07-11 | Canon Kabushiki Kaisha | Automatic Equalizer |
US5255130A (en) * | 1991-03-29 | 1993-10-19 | Archive Corporation | Adjustable write equalization for tape drives |
EP0527017B1 (de) * | 1991-08-03 | 1997-03-26 | Sony Corporation | Magnetisches Wiedergabegerät |
KR930008725A (ko) * | 1991-10-01 | 1993-05-21 | 프레데릭 얀 스미트 | 자기기록 운반체상의 트랙으로부터 디지탈 신호를 재생시키는 장치 |
JPH05266589A (ja) * | 1992-03-23 | 1993-10-15 | Sony Corp | デイジタル信号再生回路 |
DE4221998A1 (de) * | 1992-07-04 | 1994-01-05 | Blaupunkt Werke Gmbh | Verfahren zur Verdeckung des Fahrgeräusches |
EP0583818B1 (de) * | 1992-08-06 | 1998-10-07 | Koninklijke Philips Electronics N.V. | Empfangsanordnung zum Empfang eines digitalen Signals von einem Übertragungsmedium mit variablen Entzerrungsmitteln |
DE69321427T2 (de) * | 1992-08-06 | 1999-05-12 | Koninkl Philips Electronics Nv | Empfangsanordnung zum Empfang eines digitalen Signals von einem Übertragungsmedium mit variablen Entzerrungsmitteln |
DE69317181T2 (de) * | 1992-08-06 | 1998-08-20 | Koninkl Philips Electronics Nv | Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer |
JPH06150216A (ja) * | 1992-11-02 | 1994-05-31 | Sony Corp | ディジタル信号再生方法とその装置 |
BE1007029A3 (nl) * | 1993-04-22 | 1995-02-21 | Koninkl Philips Electronics Nv | Werkwijze voor het afleiden van een kwaliteitssignaal uit een uitgelezen signaal, alsmede een optekeninrichting en een uitleesinrichting waarin een dergelijke werkwijze wordt toegepast. |
JPH06342504A (ja) * | 1993-05-31 | 1994-12-13 | Canon Inc | 再生装置 |
DE4415298A1 (de) * | 1994-04-30 | 1995-11-02 | Thomson Brandt Gmbh | Verfahren zur Einstellung der Parameter eines Entzerrers |
US5592340A (en) * | 1994-09-21 | 1997-01-07 | Seagate Technology, Inc. | Communication channel with adaptive analog transversal equalizer |
JP3335862B2 (ja) * | 1997-01-28 | 2002-10-21 | シャープ株式会社 | 波形等化器及びこれを備えたディジタル記録再生装置 |
JP3481422B2 (ja) | 1997-05-23 | 2003-12-22 | シャープ株式会社 | ディジタル記録再生装置 |
DE19857039A1 (de) * | 1998-12-10 | 2000-06-21 | Siemens Ag | Mikroelektronische Struktur |
TW480832B (en) | 1999-12-20 | 2002-03-21 | Koninkl Philips Electronics Nv | An arrangement for receiving a digital signal from a transmission medium |
US7139141B1 (en) | 2003-05-12 | 2006-11-21 | Storage Technology Corporation | System and method for read/write optimization |
US7375573B2 (en) * | 2006-05-25 | 2008-05-20 | Micron Technology, Inc. | De-emphasis system and method for coupling digital signals through capacitively loaded lines |
US8452829B2 (en) * | 2008-06-23 | 2013-05-28 | Oracle America, Inc. | Real-time optimization of TX FIR filter for high-speed data communication |
EP2793393A1 (de) * | 2013-04-21 | 2014-10-22 | Alexey Kornienkov | Verfahren und Vorrichtung zur Anwendung einer Übertragungsfunktion auf ein aus einem Umwandler empfangenes Signal |
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 |
US4128848A (en) * | 1976-10-22 | 1978-12-05 | Hitachi, Ltd. | Automatic ghost-suppression system |
JPS56166620A (en) * | 1980-05-28 | 1981-12-21 | Toshiba Corp | Automatic equalizer |
US4434438A (en) * | 1981-07-10 | 1984-02-28 | Matsushita Electric Industrial Co., Ltd. | Low cost automatic equalizer |
JPS58154979A (ja) * | 1982-03-09 | 1983-09-14 | Sony Corp | ゴ−スト除去装置 |
US4615037A (en) * | 1985-01-29 | 1986-09-30 | Ampex Corporation | Phase scatter detection and reduction circuit and method |
DE3574320D1 (en) * | 1985-08-28 | 1989-12-21 | Ibm | Method and arrangement for detecting the presence of a training signal in a modem receiver |
GB8800740D0 (en) * | 1988-01-13 | 1988-02-10 | Ncr Co | Data modem receiver |
-
1988
- 1988-03-10 JP JP63057004A patent/JPH01229516A/ja active Pending
-
1989
- 1989-03-02 US US07/318,001 patent/US4928287A/en not_active Expired - Lifetime
- 1989-03-03 EP EP89103763A patent/EP0332079B1/de not_active Expired - Lifetime
- 1989-03-03 DE DE68920605T patent/DE68920605T2/de not_active Expired - Fee Related
- 1989-03-09 KR KR1019890002869A patent/KR0120112B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0332079B1 (de) | 1995-01-18 |
JPH01229516A (ja) | 1989-09-13 |
DE68920605D1 (de) | 1995-03-02 |
KR0120112B1 (ko) | 1997-10-27 |
EP0332079A3 (en) | 1990-11-22 |
KR890015233A (ko) | 1989-10-28 |
EP0332079A2 (de) | 1989-09-13 |
US4928287A (en) | 1990-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |