FR2462073B1 - - Google Patents

Info

Publication number
FR2462073B1
FR2462073B1 FR7918468A FR7918468A FR2462073B1 FR 2462073 B1 FR2462073 B1 FR 2462073B1 FR 7918468 A FR7918468 A FR 7918468A FR 7918468 A FR7918468 A FR 7918468A FR 2462073 B1 FR2462073 B1 FR 2462073B1
Authority
FR
France
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
Application number
FR7918468A
Other languages
French (fr)
Other versions
FR2462073A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7918468A priority Critical patent/FR2462073A1/fr
Priority to EP80401049A priority patent/EP0022723B1/fr
Priority to DE8080401049T priority patent/DE3068025D1/de
Priority to US06/169,213 priority patent/US4318128A/en
Publication of FR2462073A1 publication Critical patent/FR2462073A1/fr
Application granted granted Critical
Publication of FR2462073B1 publication Critical patent/FR2462073B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H04L25/065—Binary decisions
    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
    • H04N7/0355—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal for discrimination of the binary level of the digital data, e.g. amplitude slicers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Synchronizing For Television (AREA)
  • Picture Signal Circuits (AREA)
FR7918468A 1979-07-17 1979-07-17 Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions Granted FR2462073A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7918468A FR2462073A1 (fr) 1979-07-17 1979-07-17 Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions
EP80401049A EP0022723B1 (fr) 1979-07-17 1980-07-11 Procédé et dispositif pour l'extraction de données numériques en présence de bruit et de distorsions
DE8080401049T DE3068025D1 (en) 1979-07-17 1980-07-11 Method and apparatus for digital data extraction in presence of noise and distorsion
US06/169,213 US4318128A (en) 1979-07-17 1980-07-15 Process and device for retrieving digital data in the presence of noise and distortions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918468A FR2462073A1 (fr) 1979-07-17 1979-07-17 Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions

Publications (2)

Publication Number Publication Date
FR2462073A1 FR2462073A1 (fr) 1981-02-06
FR2462073B1 true FR2462073B1 (en:Method) 1984-07-13

Family

ID=9227971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7918468A Granted FR2462073A1 (fr) 1979-07-17 1979-07-17 Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions

Country Status (4)

Country Link
US (1) US4318128A (en:Method)
EP (1) EP0022723B1 (en:Method)
DE (1) DE3068025D1 (en:Method)
FR (1) FR2462073A1 (en:Method)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104390A (en) * 1980-12-22 1982-06-29 Victor Co Of Japan Ltd Data extracting circuit
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
US4509180A (en) * 1982-03-15 1985-04-02 Lgz Landis & Gyr Zug Ag Method and an apparatus for correcting distortion of binary received signals
JPS598485A (ja) * 1982-07-05 1984-01-17 Matsushita Electric Ind Co Ltd 文字多重放送受信機
US4460808A (en) * 1982-08-23 1984-07-17 At&T Bell Laboratories Adaptive signal receiving method and apparatus
DE3374511D1 (en) * 1983-12-07 1987-12-17 Itt Ind Gmbh Deutsche Data slicer circuit for separating and regenerating digital teletext signals
FR2556903B1 (fr) * 1983-12-15 1986-04-11 Telediffusion Fse Procede et circuits de regeneration d'instants significatifs d'un signal periodique
US4673979A (en) * 1984-06-15 1987-06-16 Matsushita Electric Industrial Co., Ltd. Digital data reproducing system
US4893316A (en) * 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
JPS62217746A (ja) * 1986-03-19 1987-09-25 Iwatsu Electric Co Ltd スタ−トビツト検出回路
US4736391A (en) * 1986-07-22 1988-04-05 General Electric Company Threshold control with data receiver
US4821292A (en) * 1987-06-03 1989-04-11 General Electric Company Adaptive limiter/detector which changes time constant upon detection of dotting pattern
FR2652697A1 (fr) * 1989-10-03 1991-04-05 Sgs Thomson Microelectronics Extracteur de donnees numeriques dans un signal video.
CA2029749C (en) * 1989-11-16 1994-09-06 Keizo Sakamoto Modem signal detecting system for adaptive differential pcm codec
JPH03283742A (ja) * 1990-03-30 1991-12-13 Omron Corp 波形整形方法および装置ならびに波形整形のためのしきい値の作成方法および装置
US5247458A (en) * 1990-09-11 1993-09-21 Audio Precision, Inc. Method and apparatus for testing a digital system for the occurrence of errors
GB9102936D0 (en) * 1991-02-12 1991-03-27 Shaye Communications Ltd Digital communications systems
US5371545A (en) * 1992-03-11 1994-12-06 Thomson Consumer Electronics, Inc. Auxiliary video data slicer with adjustable window for detecting the run in clock
JP3399945B2 (ja) * 1992-03-11 2003-04-28 トムソン コンシユーマ エレクトロニクス インコーポレイテツド データ・スライサ
ES2120436T3 (es) * 1992-06-01 1998-11-01 Thomson Multimedia Sa Separador de datos auxiliares de video.
GB9212263D0 (en) * 1992-06-10 1992-07-22 Shaye Communications Ltd System for data recovery
JP2503837B2 (ja) * 1992-07-16 1996-06-05 日本電気株式会社 ディジタル光受信回路とディジタル光受信回路におけるプリアンプ回路
US5374960A (en) * 1993-04-15 1994-12-20 Thomson Consumer Electronics, Inc. Auxiliary video information code correction in sync-suppression type scrambled video signals
FR2720575B1 (fr) * 1994-05-24 1996-08-09 Dassault Automatismes Telecomm Adaptateur post-démodulation.
DE4438345C1 (de) * 1994-10-27 1996-08-01 Nokia Telecommunications Oy System und Verfahren zur digitalen Datenkommunikation
GB9508209D0 (en) * 1995-04-22 1995-06-07 Philips Electronics Uk Ltd Data slicer
US5629960A (en) * 1995-05-22 1997-05-13 Sierra Wireless, Inc. Method for reducing distortion effects on DC off-set voltage and symbol clock tracking in a demodulator
US5838735A (en) * 1996-07-08 1998-11-17 Telefonaktiebolaget Lm Ericsson Method and apparatus for compensating for a varying d.c. offset in a sampled signal
FR2760926B1 (fr) * 1997-03-13 1999-04-16 Alsthom Cge Alcatel Dispositif de supression des sauts parasites de composante continue pour recepteur radio de type frequence intermediaire zero et procede de suppression correspondant
EP0895385A1 (en) * 1997-07-29 1999-02-03 Alcatel DC offset reduction for burst mode reception
GB2330279B (en) * 1997-10-07 1999-09-22 Ramar Technology Ltd Low power density radio systems
DE19820909A1 (de) 1998-05-09 1999-11-25 Thomson Brandt Gmbh Datenaufbereitungseinrichtung
US6914522B2 (en) * 2003-05-23 2005-07-05 Lear Corporation Clamping circuit for an RF receiver system
US7796193B2 (en) * 2006-06-29 2010-09-14 Mediatek Inc. Method of adaptive slicing signal
JP4246222B2 (ja) * 2006-07-18 2009-04-02 シャープ株式会社 キャリア検出回路、それを備えた赤外線信号処理回路、ならびにキャリア検出回路の制御方法
US20100091187A1 (en) * 2008-10-15 2010-04-15 Echostar Technologies L.L.C. Method and audio/video device for processing caption information

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737790A (en) * 1971-12-21 1973-06-05 Us Navy Noise-riding slicer
GB1523307A (en) * 1975-12-09 1978-08-31 Aston Electronic Dev Data slicing apparatus and method
US4145743A (en) * 1976-12-27 1979-03-20 Rca Corporation Voltage level generator using digital integration

Also Published As

Publication number Publication date
FR2462073A1 (fr) 1981-02-06
US4318128A (en) 1982-03-02
EP0022723B1 (fr) 1984-05-30
DE3068025D1 (en) 1984-07-05
EP0022723A1 (fr) 1981-01-21

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Legal Events

Date Code Title Description
ST Notification of lapse