BE793555A - Procede et appareil d'egalisation automatique de la distorsion de transmission - Google Patents

Procede et appareil d'egalisation automatique de la distorsion de transmission

Info

Publication number
BE793555A
BE793555A BE793555A BE793555A BE793555A BE 793555 A BE793555 A BE 793555A BE 793555 A BE793555 A BE 793555A BE 793555 A BE793555 A BE 793555A BE 793555 A BE793555 A BE 793555A
Authority
BE
Belgium
Prior art keywords
automatic equalization
transmission distortion
distortion
transmission
equalization
Prior art date
Application number
BE793555A
Other languages
English (en)
French (fr)
Inventor
J D Torpie
A J Bell
M L Gorham
W G Keating
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of BE793555A publication Critical patent/BE793555A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/146—Control of transmission; Equalising characterised by the equalising network used using phase-frequency equalisers
    • H04B3/148—Control of transmission; Equalising characterised by the equalising network used using phase-frequency equalisers variable equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/462—Testing group delay or phase shift, e.g. timing jitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BE793555A 1971-12-30 1972-12-29 Procede et appareil d'egalisation automatique de la distorsion de transmission BE793555A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21414671A 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
BE793555A true BE793555A (fr) 1973-06-29

Family

ID=22797951

Family Applications (1)

Application Number Title Priority Date Filing Date
BE793555A BE793555A (fr) 1971-12-30 1972-12-29 Procede et appareil d'egalisation automatique de la distorsion de transmission

Country Status (10)

Country Link
US (1) US3798576A (en, 2012)
JP (1) JPS538008A (en, 2012)
BE (1) BE793555A (en, 2012)
BR (1) BR7209056D0 (en, 2012)
CA (1) CA974613A (en, 2012)
DE (1) DE2261581C3 (en, 2012)
FR (2) FR2166171B1 (en, 2012)
GB (2) GB1421917A (en, 2012)
IT (1) IT973316B (en, 2012)
NL (1) NL7217417A (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410402Y2 (en, 2012) * 1974-04-04 1979-05-15
JPS5424163Y2 (en, 2012) * 1974-04-04 1979-08-16
US4097806A (en) * 1976-03-31 1978-06-27 Xerox Corporation Adaptive equalizer with improved distortion analysis
US4283788A (en) * 1976-06-25 1981-08-11 Cselt - Centro Studi E Laboratori Telecomunicazioni S.P.A. Equalization system with preshaping filter
IT1113607B (it) * 1977-09-01 1986-01-20 Sits Soc It Telecom Siemens Disposizione circuitale per la equalizzazione automatica di un sistema di trasmissione a larga banda su cavo
DE2803608C2 (de) * 1978-01-27 1985-04-18 Wandel & Goltermann Gmbh & Co, 7412 Eningen Vierpolmeßverfahren und Schaltungsanordnung zu dessen Durchführung
DE3148242A1 (de) * 1981-12-05 1983-06-09 Robert Bosch Gmbh, 7000 Stuttgart Kabelentzerrerschaltung
DE3638877A1 (de) * 1986-11-14 1988-05-26 Nixdorf Computer Ag Verfahren zur adaptiven entzerrung von impulssignalen sowie schaltungsanordnung zur durchfuehrung des verfahrens
US5257286A (en) * 1990-11-13 1993-10-26 Level One Communications, Inc. High frequency receive equalizer
US5581585A (en) * 1994-10-21 1996-12-03 Level One Communications, Inc. Phase-locked loop timing recovery circuit
US5701099A (en) * 1995-11-27 1997-12-23 Level One Communications, Inc. Transconductor-C filter element with coarse and fine adjustment
US6249557B1 (en) 1997-03-04 2001-06-19 Level One Communications, Inc. Apparatus and method for performing timing recovery
US6167082A (en) * 1997-03-06 2000-12-26 Level One Communications, Inc. Adaptive equalizers and methods for carrying out equalization with a precoded transmitter
US5880645A (en) * 1997-07-03 1999-03-09 Level One Communications, Inc. Analog adaptive equalizer with gain and filter correction
JP3676576B2 (ja) * 1998-07-17 2005-07-27 富士通株式会社 自動遅延等化器及び自動遅延等化方法並びに自動遅延・振幅等化器及び自動遅延・振幅等化方法
US6947608B2 (en) * 2002-01-25 2005-09-20 Kabushiki Kaisha Toshiba Equalizing circuit and method, and image processing circuit and method
US10637692B2 (en) * 2017-09-26 2020-04-28 Micron Technology, Inc. Memory decision feedback equalizer
CN113676164B (zh) * 2021-07-15 2025-03-18 深圳供电局有限公司 脉冲调制控制系统、装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335223A (en) * 1962-09-07 1967-08-08 Ericsson Telefon Ab L M Arrangement for automatic equalization of the distortion in data transmission channels
US3292110A (en) * 1964-09-16 1966-12-13 Bell Telephone Labor Inc Transversal equalizer for digital transmission systems wherein polarity of time-spaced portions of output signal controls corresponding multiplier setting
GB1353018A (en) * 1970-04-21 1974-05-15 Xerox Corp Automatic transversal equalizer
US3649916A (en) * 1970-11-18 1972-03-14 Hughes Aircraft Co Automatic equalizer for communication channels
US3665171A (en) * 1970-12-14 1972-05-23 Bell Telephone Labor Inc Nonrecursive digital filter apparatus employing delayedadd configuration

Also Published As

Publication number Publication date
GB1421918A (en) 1976-01-21
DE2261581A1 (de) 1973-07-12
GB1421917A (en) 1976-01-21
FR2166171B1 (en, 2012) 1980-04-18
US3798576A (en) 1974-03-19
IT973316B (it) 1974-06-10
FR2194969B1 (en, 2012) 1978-06-16
DE2261581C3 (de) 1985-07-11
JPH0117296B2 (en, 2012) 1989-03-29
CA974613A (en) 1975-09-16
NL7217417A (en, 2012) 1973-07-03
FR2194969A1 (en, 2012) 1974-03-01
BR7209056D0 (pt) 1973-09-20
DE2261581B2 (de) 1976-08-05
JPS538008A (en) 1978-01-25
FR2166171A1 (en, 2012) 1973-08-10

Similar Documents

Publication Publication Date Title
BE793555A (fr) Procede et appareil d'egalisation automatique de la distorsion de transmission
CA992613A (en) Data transmission method and apparatus
AU469378B2 (en) Method and apparatus for making bearings
CA968439A (en) Video controlled positioning method and apparatus
CA955529A (en) Facsimile method and apparatus
CA997452A (en) Method and apparatus for optical detection
CA964132A (en) Apparatus and method
BE785349A (fr) Procede et appareil de galvanoplastie
AU466328B2 (en) Process and apparatus for optically transmitting images with constant magnification
CA954292A (en) Electrostatic recording apparatus and method
AU4221572A (en) Thermal analysis method and apparatus
CA957890A (en) Multiple exposure method and apparatus
CA970631A (en) Developing process and apparatus
CA969268A (en) Ultrasonic inspection system and apparatus
CA976394A (en) Optical image transfer method and apparatus
BE781274A (fr) Procede et appareil de fabrication d'agents de transmission coaxiaux
CA873735A (en) Papermaking method and apparatus
CA980862A (en) Automatic equalization method and apparatus
CA949825A (en) Imaging methods and apparatus
CA943230A (en) Physiological response analysis method and apparatus
CA878614A (en) Inspection method and apparatus
CA866436A (en) Data transmission apparatus and methods
CA872358A (en) Automatic lens focusing method and apparatus
CA877449A (en) Automatic printing method and apparatus
CA867116A (en) Batting trainer apparatus and method