DE69317181D1 - Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer - Google Patents

Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer

Info

Publication number
DE69317181D1
DE69317181D1 DE69317181T DE69317181T DE69317181D1 DE 69317181 D1 DE69317181 D1 DE 69317181D1 DE 69317181 T DE69317181 T DE 69317181T DE 69317181 T DE69317181 T DE 69317181T DE 69317181 D1 DE69317181 D1 DE 69317181D1
Authority
DE
Germany
Prior art keywords
signal
variable equalizer
transmission path
equalizer
unit
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
Application number
DE69317181T
Other languages
English (en)
Other versions
DE69317181T2 (de
Inventor
Gijsbert J Van Den Enden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69317181D1 publication Critical patent/DE69317181D1/de
Application granted granted Critical
Publication of DE69317181T2 publication Critical patent/DE69317181T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B20/10009—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Magnetic Recording (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69317181T 1992-08-06 1993-07-29 Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer Expired - Fee Related DE69317181T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92202427 1992-08-06

Publications (2)

Publication Number Publication Date
DE69317181D1 true DE69317181D1 (de) 1998-04-09
DE69317181T2 DE69317181T2 (de) 1998-08-20

Family

ID=8210831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317181T Expired - Fee Related DE69317181T2 (de) 1992-08-06 1993-07-29 Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer

Country Status (4)

Country Link
US (1) US5504633A (de)
JP (2) JPH06208761A (de)
AT (1) ATE163792T1 (de)
DE (1) DE69317181T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650688B1 (en) * 1999-12-20 2003-11-18 Intel Corporation Chip rate selectable square root raised cosine filter for mobile telecommunications
US6600617B1 (en) 2000-03-07 2003-07-29 International Business Machines Corporation Method and apparatus for adjusting digital filter taps based upon minimization of viterbi margin counts
US7173551B2 (en) * 2000-12-21 2007-02-06 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US7307569B2 (en) * 2001-03-29 2007-12-11 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US7149256B2 (en) * 2001-03-29 2006-12-12 Quellan, Inc. Multilevel pulse position modulation for efficient fiber optic communication
ATE492076T1 (de) * 2001-04-04 2011-01-15 Quellan Inc Verfahren und system zum decodieren von mehrpegelsignalen
US20030030873A1 (en) * 2001-05-09 2003-02-13 Quellan, Inc. High-speed adjustable multilevel light modulation
AU2003211094A1 (en) * 2002-02-15 2003-09-09 Quellan, Inc. Multi-level signal clock recovery technique
AU2003217947A1 (en) * 2002-03-08 2003-09-22 Quellan, Inc. High speed analog-to-digital converter using a unique gray code having minimal bit transitions
WO2003092237A1 (en) * 2002-04-23 2003-11-06 Quellan, Inc. Combined ask/dpsk modulation system
JP2004013681A (ja) * 2002-06-10 2004-01-15 Bosu & K Consulting Kk 名刺情報管理システム
AU2003256569A1 (en) * 2002-07-15 2004-02-02 Quellan, Inc. Adaptive noise filtering and equalization
AU2003287628A1 (en) 2002-11-12 2004-06-03 Quellan, Inc. High-speed analog-to-digital conversion with improved robustness to timing uncertainty
JP2007502054A (ja) * 2003-08-07 2007-02-01 ケラン インコーポレイテッド クロストークキャンセルのための方法とシステム
US7804760B2 (en) * 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
CN1875419A (zh) * 2003-11-11 2006-12-06 松下电器产业株式会社 滤波器系数调整电路
EP1687929B1 (de) 2003-11-17 2010-11-10 Quellan, Inc. Verfahren und system zur löschung von antennenstörungen
US7616700B2 (en) * 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
US7522883B2 (en) * 2004-12-14 2009-04-21 Quellan, Inc. Method and system for reducing signal interference
US7725079B2 (en) * 2004-12-14 2010-05-25 Quellan, Inc. Method and system for automatic control in an interference cancellation device
WO2007127369A2 (en) * 2006-04-26 2007-11-08 Quellan, Inc. Method and system for reducing radiated emissions from a communications channel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615037A (en) * 1985-01-29 1986-09-30 Ampex Corporation Phase scatter detection and reduction circuit and method
US4888808A (en) * 1987-03-23 1989-12-19 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
JPH01229516A (ja) * 1988-03-10 1989-09-13 Sony Corp 自動等化器
US5237588A (en) * 1989-03-13 1993-08-17 Sony Corporation Automatic equalizer
DE69120594T2 (de) * 1990-04-26 1997-01-09 Fujitsu Ltd Wellenformentzerrer mit Neuronalnetzwerk

Also Published As

Publication number Publication date
JP2003178529A (ja) 2003-06-27
DE69317181T2 (de) 1998-08-20
US5504633A (en) 1996-04-02
JPH06208761A (ja) 1994-07-26
ATE163792T1 (de) 1998-03-15

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee