HK13496A - Method and apparatus for recognising a signal contained in a video signal - Google Patents

Method and apparatus for recognising a signal contained in a video signal

Info

Publication number
HK13496A
HK13496A HK13496A HK13496A HK13496A HK 13496 A HK13496 A HK 13496A HK 13496 A HK13496 A HK 13496A HK 13496 A HK13496 A HK 13496A HK 13496 A HK13496 A HK 13496A
Authority
HK
Hong Kong
Prior art keywords
decoder
signature
signal
video signal
recognising
Prior art date
Application number
HK13496A
Other languages
English (en)
Inventor
Jean-Claude Guillon
Patrick Daniel
Original Assignee
Thomson Brandt Gmbh
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 Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK13496A publication Critical patent/HK13496A/xx

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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Processing Of Color Television Signals (AREA)
HK13496A 1987-09-30 1996-01-25 Method and apparatus for recognising a signal contained in a video signal HK13496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3733013 1987-09-30

Publications (1)

Publication Number Publication Date
HK13496A true HK13496A (en) 1996-02-02

Family

ID=6337277

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13496A HK13496A (en) 1987-09-30 1996-01-25 Method and apparatus for recognising a signal contained in a video signal

Country Status (6)

Country Link
US (1) US4907269A (xx)
EP (1) EP0309905B1 (xx)
JP (1) JPH01119187A (xx)
AT (1) ATE102424T1 (xx)
DE (1) DE3888068D1 (xx)
HK (1) HK13496A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204900A (en) * 1991-03-04 1993-04-20 Pires H George Coding system for descrambling video
US5943422A (en) * 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US7133846B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
EP1526472A3 (en) * 1995-02-13 2006-07-26 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US20060206397A1 (en) * 1995-02-13 2006-09-14 Intertrust Technologies Corp. Cryptographic methods, apparatus and systems for storage media electronic right management in closed and connected appliances
US6658568B1 (en) * 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US7095854B1 (en) * 1995-02-13 2006-08-22 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7133845B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. System and methods for secure transaction management and electronic rights protection
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US7124302B2 (en) * 1995-02-13 2006-10-17 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7143290B1 (en) * 1995-02-13 2006-11-28 Intertrust Technologies Corporation Trusted and secure techniques, systems and methods for item delivery and execution
US6157721A (en) * 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
AU1447197A (en) * 1997-01-17 1998-08-07 Jean-Louis Caballe Method for identifying data channels and devices for implementing this method
US6307593B1 (en) 1997-10-03 2001-10-23 Wavetek Corporation Pulsed leakage tagging signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838444A (en) * 1972-10-30 1974-09-24 Hazeltine Research Inc System for transmitting auxiliary information in low energy density portion of color tv spectrum
US4319273A (en) * 1979-10-26 1982-03-09 Rca Corporation Television signal with encoded synchronizing signals
JPS5951536A (ja) * 1982-09-14 1984-03-26 Fujitsu Ltd パタ−ン認識方法及びその装置
US4620219A (en) * 1984-08-06 1986-10-28 Rca Corporation Apparatus for detecting a chrominance reference burst component to develop a burst gate pulse
DE3432653C1 (de) * 1984-09-05 1986-01-16 Westdeutscher Rundfunk, Anstalt des öffentlichen Rechts, 5000 Köln Verfahren zum Übertragen von Fersehprogrammen an berechtigte Teilnehmer
JPS61131086A (ja) * 1984-11-29 1986-06-18 Sony Corp 文字認識装置

Also Published As

Publication number Publication date
US4907269A (en) 1990-03-06
DE3888068D1 (de) 1994-04-07
ATE102424T1 (de) 1994-03-15
EP0309905B1 (de) 1994-03-02
JPH01119187A (ja) 1989-05-11
EP0309905A2 (de) 1989-04-05
EP0309905A3 (en) 1990-11-22

Similar Documents

Publication Publication Date Title
EP0309905A3 (en) Method and apparatus for recognising a signal contained in a video signal
US9692945B2 (en) AV timing measurement and correction for digital television
CA2220035A1 (en) Tv set top box using gps
KR950002668B1 (ko) 스크램블된 비데오 신호 처리용 시스템
TW338219B (en) Method and apparatus for searching a guide using program characteristics
IE841289L (en) Monitoring device
MY110980A (en) A method and apparatus for mitigating distortion effects in the determination of signal usability
ES555624A0 (es) Un sistema para determinar los habitos de vision de una casa que tenga una grabadora de video y un receptor de television
NO994534D0 (no) Sending og mottagning av fjernsynsprogrammer og andre data
PL335765A1 (en) Method of and apparatus for transmitting data needed for interactive tv applications
WO2003009594A1 (fr) Appareil de limitation de visionnement, systeme de limitation de visionnement et programme de limitation de visionnement
KR930019036A (ko) 케이블 텔레비젼에서의 hrc 모드 수신시간 단축방법
MY130519A (en) Video device with an electronic program guide decoder
SG72956A1 (en) Communication controlling method communication controlling system and communication controlling apparatus
EP0117719B1 (en) Method of decoding an encoded video signal and a receiving apparatus for decoding the signal
CA1220847A (en) Digital code reading apparatus and method
NO941668D0 (no) Fjernsynsignal som er kompatibelt med en konvensjonell fjernsynstandard, fremgangsmåte til overföring av fjernsynsignalet, samt videoutstyr for bearbeidelse av fjernsynsignalet
DE3861452D1 (de) Verfahren zur programmierung eines emfaengers mit videorecorder zur aufzeichnung von ueber satellit uebertragenen fernseh-programmbeitraegen.
US4500921A (en) AGC Arrangement for a television system
JP3370665B2 (ja) テレビジョン信号中のデータ信号の伝送方法並びに自動受信方法
KR970032102A (ko) Tv의 특정프로그램 수신방지장치 및 방법
ES2093746T3 (es) Procedimiento y sistema para la memorizacion de programas en aparatos receptores de television.
KR950012669B1 (ko) 스크램블 영상신호의 캡션 디코더 제어 방법
NZ522101A (en) Universal digital broadcast system and methods
KR960016147B1 (ko) 텔레비젼 시청시 특정프로그램의 시청제한방법

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)