ATE63026T1 - Taktgenerator fuer fernsehsignale mit unterdrueckter synchronisierung. - Google Patents

Taktgenerator fuer fernsehsignale mit unterdrueckter synchronisierung.

Info

Publication number
ATE63026T1
ATE63026T1 AT84303941T AT84303941T ATE63026T1 AT E63026 T1 ATE63026 T1 AT E63026T1 AT 84303941 T AT84303941 T AT 84303941T AT 84303941 T AT84303941 T AT 84303941T AT E63026 T1 ATE63026 T1 AT E63026T1
Authority
AT
Austria
Prior art keywords
color burst
suppressed
clock generator
television signals
signals
Prior art date
Application number
AT84303941T
Other languages
English (en)
Inventor
Clyde N Robbins
Luis Morenilla
Original Assignee
Gen Instrument 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 Gen Instrument Corp filed Critical Gen Instrument Corp
Application granted granted Critical
Publication of ATE63026T1 publication Critical patent/ATE63026T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
AT84303941T 1983-06-10 1984-06-11 Taktgenerator fuer fernsehsignale mit unterdrueckter synchronisierung. ATE63026T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/502,933 US4571615A (en) 1983-06-10 1983-06-10 Timing generator for sync suppressed television signals
EP84303941A EP0128771B1 (de) 1983-06-10 1984-06-11 Taktgenerator für Fernsehsignale mit unterdrückter Synchronisierung

Publications (1)

Publication Number Publication Date
ATE63026T1 true ATE63026T1 (de) 1991-05-15

Family

ID=24000030

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84303941T ATE63026T1 (de) 1983-06-10 1984-06-11 Taktgenerator fuer fernsehsignale mit unterdrueckter synchronisierung.

Country Status (10)

Country Link
US (1) US4571615A (de)
EP (1) EP0128771B1 (de)
JP (1) JPS6019381A (de)
AT (1) ATE63026T1 (de)
AU (1) AU564501B2 (de)
CA (1) CA1218143A (de)
DE (1) DE3484484D1 (de)
IE (1) IE57016B1 (de)
MX (1) MX157762A (de)
NZ (1) NZ208427A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817142A (en) * 1985-05-21 1989-03-28 Scientific Atlanta, Inc. Restoring framing in a communications system
CA1292056C (en) * 1987-09-07 1991-11-12 Masatoshi Tanaka Video signal scrambling system
US4920566A (en) * 1989-02-01 1990-04-24 General Instrument Corporation Dual loop sinewave descrambler and method of descrambling
US4928309A (en) * 1989-03-31 1990-05-22 General Instrument Corporation Method and apparatus for descrambling a television signal
JP2810103B2 (ja) * 1989-04-28 1998-10-15 パイオニア株式会社 テレビジョン信号のスクランブル方法
CA2020313C (en) * 1989-07-21 1996-06-11 Ralph P. Harney Universal decoder
US5442700A (en) * 1990-09-28 1995-08-15 Ictv, Inc. Scrambling method
US5173775A (en) * 1991-05-02 1992-12-22 General Instrument Corporation Reformatting of television signal data for transmission using a different modulation scheme
US5146496A (en) * 1991-06-13 1992-09-08 General Instrument Corporation Method and apparatus for enhancing the security of a scrambled television signal
EP0518128A3 (en) * 1991-06-13 1993-03-17 General Instrument Corporation Method and apparatus for frustrating vertical interval detection in scrambled television signals
US6327422B1 (en) * 1997-07-18 2001-12-04 Macrovision Corp Method and apparatus for modifying the effects of color burst modifications to a video signal
CA2218393C (en) * 1995-05-09 2000-12-12 Macrovision Corporation Method and apparatus for defeating effects of color burst modifications to a video signal
KR100489145B1 (ko) 1995-10-17 2005-09-14 매크로비젼 코포레이션 비디오신호로부터비디오복사방지신호들의영향들을디지탈적으로제거하기위한방법및장치
US6529248B1 (en) * 2000-03-29 2003-03-04 Zilog, Inc. Method and apparatus for improved signal restoration
US7526103B2 (en) * 2004-04-15 2009-04-28 Donnelly Corporation Imaging system for vehicle
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
WO2008088772A2 (en) 2007-01-12 2008-07-24 Ictv, Inc. Mpeg objects and systems and methods for using mpeg objects
WO2012051528A2 (en) 2010-10-14 2012-04-19 Activevideo Networks, Inc. Streaming digital video between video devices using a cable television system
EP2695388B1 (de) 2011-04-07 2017-06-07 ActiveVideo Networks, Inc. Latenzreduktion in videoverteilungsnetzwerken mit adaptiver bitrate
WO2013106390A1 (en) 2012-01-09 2013-07-18 Activevideo Networks, Inc. Rendering of an interactive lean-backward user interface on a television
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
WO2014145921A1 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
WO2014197879A1 (en) 2013-06-06 2014-12-11 Activevideo Networks, Inc. Overlay rendering of user interface onto source video
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319273A (en) * 1979-10-26 1982-03-09 Rca Corporation Television signal with encoded synchronizing signals
CA1150821A (en) * 1981-03-19 1983-07-26 Northern Telecom Limited Transmission of data with a video signal
CA1153103A (en) * 1981-03-19 1983-08-30 Northern Telecom Limited Scrambling and unscrambling video signals in a pay tv system

Also Published As

Publication number Publication date
MX157762A (es) 1988-12-13
IE57016B1 (en) 1992-03-11
JPS6019381A (ja) 1985-01-31
US4571615A (en) 1986-02-18
NZ208427A (en) 1987-07-31
DE3484484D1 (de) 1991-05-29
AU2931284A (en) 1984-12-13
EP0128771A3 (en) 1986-09-03
CA1218143A (en) 1987-02-17
AU564501B2 (en) 1987-08-13
EP0128771B1 (de) 1991-04-24
IE841446L (en) 1984-12-10
EP0128771A2 (de) 1984-12-19

Similar Documents

Publication Publication Date Title
DE3484484D1 (de) Taktgenerator fuer fernsehsignale mit unterdrueckter synchronisierung.
EP0026395A3 (en) Process and circuitry for the compatible increase of the resolution in television systems
US4231063A (en) Frame synchronizer having a write-inhibit circuit
GB1068881A (en) Improvements in and relating to television apparatus
AU587019B2 (en) Television synchronizing apparatus
FI915527A0 (fi) Av en display synkroniserade tidssaettningssignaler foer videobehandling.
AU2003205960A1 (en) Agc detector and method for agc detecting
ATE95020T1 (de) Zeilenablenkungsanordnung.
GB1477072A (en) Dual mode deflection synchronizing system
ES396901A1 (es) Un sistema de video-telefono.
HK96995A (en) Synchronizing pulse separator
SE8401626L (sv) Synkroniseringsingang for alfanumerisk presentation pa bildskermen hos en televisionsmottagare
HK24993A (en) Constant width burst gate keying pulse generator
KR920002988Y1 (ko) 데이타 라인 분리 신호 발생 회로
JPS5341925A (en) Synchronism reproducing device
JPS5625878A (en) Timing signal insertion and pickup unit for television video signal
DE3568928D1 (en) Circuit for decoding the vertical synchronisation pulse in a composite video signal
GB1516434A (en) Detection system for detecting synchronism between television video signals emanating from different sources
JPS5463612A (en) Vertical synchronous circuit of television image receiver
JPS6446396A (en) Scramble circuit for chrominance sub-carrier signal
JPS6392474U (de)
JPS6467090A (en) Video signal descrambling system
EP0327679A3 (de) Anordnung zur Einblendung von Daten in ein zeitfehlerbehaftetes Videosignal
JPS5765971A (en) Receiving device for multiplexed information
JPS6481591A (en) Color frame synchronizing circuit

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee