CA1245349A - Sync extraction for a broadcasting system with time multiplexing of digital and analog signals - Google Patents

Sync extraction for a broadcasting system with time multiplexing of digital and analog signals

Info

Publication number
CA1245349A
CA1245349A CA000482860A CA482860A CA1245349A CA 1245349 A CA1245349 A CA 1245349A CA 000482860 A CA000482860 A CA 000482860A CA 482860 A CA482860 A CA 482860A CA 1245349 A CA1245349 A CA 1245349A
Authority
CA
Canada
Prior art keywords
signal
extreme values
signals
gain
synchronisation
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
Application number
CA000482860A
Other languages
English (en)
French (fr)
Inventor
Michel Alard
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.)
Telediffusion de France ets Public de Diffusion
France Telecom R&D SA
Original Assignee
Telediffusion de France ets Public de Diffusion
Centre National dEtudes des Telecommunications CNET
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 Telediffusion de France ets Public de Diffusion, Centre National dEtudes des Telecommunications CNET filed Critical Telediffusion de France ets Public de Diffusion
Application granted granted Critical
Publication of CA1245349A publication Critical patent/CA1245349A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/083—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical and the horizontal blanking interval, e.g. MAC data signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronizing For Television (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Facsimiles In General (AREA)
  • Selective Calling Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Emergency Alarm Devices (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)
CA000482860A 1984-06-04 1985-05-30 Sync extraction for a broadcasting system with time multiplexing of digital and analog signals Expired CA1245349A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8508728 1984-06-04
FR8408728A FR2565448B1 (fr) 1984-06-04 1984-06-04 Procede et dispositif d'extraction de synchronisation pour systeme de diffusion a multiplexage temporel de signaux numeriques et analogiques

Publications (1)

Publication Number Publication Date
CA1245349A true CA1245349A (en) 1988-11-22

Family

ID=9304675

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000482860A Expired CA1245349A (en) 1984-06-04 1985-05-30 Sync extraction for a broadcasting system with time multiplexing of digital and analog signals

Country Status (11)

Country Link
US (1) US4707730A (https=)
EP (1) EP0167430B1 (https=)
JP (1) JPS619089A (https=)
AT (1) ATE35603T1 (https=)
CA (1) CA1245349A (https=)
DE (1) DE3563674D1 (https=)
DK (1) DK165038C (https=)
ES (1) ES8608762A1 (https=)
FR (1) FR2565448B1 (https=)
NO (1) NO166830C (https=)
PT (1) PT80587B (https=)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA873823B (en) * 1986-06-03 1988-01-27 Scientific Atlanta Improving immunity to channel distortions of mac signal
US5208659A (en) * 1986-06-03 1993-05-04 Scientific Atlanta, Inc. Method and apparatus for independently transmitting and recapturing clock recovery burst and DC restoration signals in a MAC system
JPH0620279B2 (ja) * 1986-08-20 1994-03-16 松下電器産業株式会社 自動利得制御装置
JPS63174478A (ja) * 1987-01-14 1988-07-18 Nec Corp デイジタル式テレビジヨン特殊効果発生装置
FR2610773B1 (fr) * 1987-02-06 1989-05-26 Radiotechnique Ind & Comm Systeme de synchronisation sur un signal semi-numerique
DE3704456C1 (de) * 1987-02-13 1987-11-19 Rohde & Schwarz Anordnung zum Darstellen von MAC-Signalen auf einem Monitor
JPS63222582A (ja) * 1987-03-12 1988-09-16 Sanyo Electric Co Ltd クランプ回路
FR2613568A1 (fr) * 1987-04-03 1988-10-07 Radiotechnique Ind & Comm Systeme de television avec restitution de composante continue
KR900006464B1 (ko) * 1987-05-23 1990-08-31 삼성전자 주식회사 버어스트 게이트 펄스를 출력 할 수 있는 동기신호 분리 집적회로
JPH0691481B2 (ja) * 1987-08-18 1994-11-14 日本電気株式会社 Ａｇｃ回路
EP0305640A3 (de) * 1987-09-02 1990-12-19 ANT Nachrichtentechnik GmbH Verfahren zum Decodieren der Steuerinformation aus einem Multiplex-Komponenten-Videosignal sowie Anordnung
FR2633473B1 (fr) * 1988-06-23 1990-11-09 France Etat Procede de restitution de la composante continue d'un signal du type dmac-paquet, dispositif et utilisation correspondants
DE3827106C1 (https=) * 1988-08-10 1989-05-03 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen, De
US5036388A (en) * 1988-11-10 1991-07-30 U.S. Philips Corporation Apparatus including an improved device for recovering the d.c. component
FR2638925B1 (fr) * 1988-11-10 1990-12-28 Labo Electronique Physique Appareil muni d'un dispositif de restitution de la composante continue ameliore
EP0369159A3 (de) * 1988-11-15 1992-01-22 ANT Nachrichtentechnik GmbH Verfahren zum Wiedergewinnen von Binärinformationen aus einem störbehafteten Basisbandsignal sowie Anordnung
FR2644311A1 (fr) * 1989-03-07 1990-09-14 Portenseigne Radiotechnique Base de temps et dispositif d'alignement simplifies en d2-mac/paquet
FR2651632B1 (fr) * 1989-09-06 1994-06-03 Tonna Electronique Procede et dispositif d'alignement de signaux video et de detection de presence de donnees numeriques recurrentes dans un signal video.
GB2253960B (en) * 1991-02-21 1995-02-15 Gen Electric Co Ltd A duo-binary and/or binary data slicer
FR2675331A1 (fr) * 1991-04-12 1992-10-16 Philips Electro Grand Public Appareil muni d'un dispositif ameliore de restitution de la composante continue.
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
CA2131711C (en) * 1992-03-11 2002-10-15 Enrique Rodriguez-Cavazos Auxiliary video data slicer
US5867222A (en) * 1996-01-11 1999-02-02 Elantec Semiconductor, Inc. Video sync signal slicing using variable gain control
US5757440A (en) * 1996-02-06 1998-05-26 Analog Devices, Inc. Method and apparatus for providing an offset level to an image signal
FR2756445B1 (fr) * 1996-11-22 1998-12-24 Thomson Multimedia Sa Codeur et decodeur pour l'enregistrement et la lecture de trains de donnees binaires a l'aide d'un magnetoscope numerique
US7317493B1 (en) 1999-07-16 2008-01-08 Thomson Licensing Method and apparatus for providing dual automatic gain control delay settings in a television receiver
US6573943B1 (en) * 1999-09-17 2003-06-03 Elantec Semiconductor, Inc. Alternative video sync detector
US7423694B2 (en) * 2005-06-15 2008-09-09 Intersil Americas Inc. Self-calibrating timing circuits for use in a sync separator
WO2007037312A1 (ja) * 2005-09-28 2007-04-05 Nec Corporation クロック再生装置及び方法
JPWO2007111035A1 (ja) * 2006-03-24 2009-08-06 日本電気株式会社 データ受信装置及び該データ受信装置を備える半導体集積回路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516742A (en) * 1948-08-21 1950-07-25 Robert F Adkisson Bale regulator
US3409834A (en) * 1965-04-05 1968-11-05 Martin Marietta Corp Cw interference reduction network for a pulse communications receiver
US3851266A (en) * 1967-07-27 1974-11-26 P Conway Signal conditioner and bit synchronizer
JPS5226851B2 (https=) * 1972-08-30 1977-07-16
JPS539897B2 (https=) * 1973-05-23 1978-04-10
JPS5459026A (en) * 1977-10-19 1979-05-12 Matsushita Electric Ind Co Ltd Receiving device for multiplied information signal
JPS6051833B2 (ja) * 1978-11-24 1985-11-15 日本電気ホームエレクトロニクス株式会社 デ−タ抜取方法
JPS55156410A (en) * 1979-05-25 1980-12-05 Hitachi Ltd Signal separating circuit
FR2459594A1 (fr) * 1979-06-15 1981-01-09 Telediffusion Fse Systeme de television a multiplexage de signaux d'image et/ou de donnees et de signaux numeriques de son
GB2053599B (en) * 1979-06-22 1984-03-07 Matsushita Electric Industrial Co Ltd Automatic gain control circuit
US4540974A (en) * 1981-10-30 1985-09-10 Rca Corporation Adaptive analog-to-digital converter
US4517586A (en) * 1982-11-23 1985-05-14 Rca Corporation Digital television receiver with analog-to-digital converter having time multiplexed gain
US4602374A (en) * 1984-02-27 1986-07-22 Nippon Telegraph & Telephone Public Corporation Multi-level decision circuit

Also Published As

Publication number Publication date
ES544467A0 (es) 1986-07-16
PT80587A (fr) 1985-07-01
DE3563674D1 (en) 1988-08-11
FR2565448A1 (fr) 1985-12-06
DK165038C (da) 1993-02-08
EP0167430A1 (fr) 1986-01-08
EP0167430B1 (fr) 1988-07-06
DK165038B (da) 1992-09-28
NO852231L (no) 1985-12-05
PT80587B (pt) 1987-06-17
NO166830C (no) 1991-09-04
JPH0342038B2 (https=) 1991-06-25
ES8608762A1 (es) 1986-07-16
JPS619089A (ja) 1986-01-16
ATE35603T1 (de) 1988-07-15
US4707730A (en) 1987-11-17
NO166830B (no) 1991-05-27
FR2565448B1 (fr) 1986-10-10
DK249185A (da) 1985-12-05
DK249185D0 (da) 1985-06-03

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Legal Events

Date Code Title Description
MKEX Expiry