by displacing synchronisation signals relative to active picture signals or vice versa

Industry

CPC
H04N7/1693

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Parent Industries

HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N7/00Television systems

Current Industry

H04N7/1693by displacing synchronisation signals relative to active picture signals or vice versa

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for providing a copy-protected video signal
- Patent number 9,264,657
- Issue date Feb 16, 2016
- DCS Copy Protection Limited
- Baolin Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing a copy-protected video signal
- Patent number 8,019,201
- Issue date Sep 13, 2011
- DCS Copy Protection Limited
- Baolin Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for the transmission of audiovisual signals between source n...
- Patent number 7,526,789
- Issue date Apr 28, 2009
- Canon Europa N.V.
- Stephane Bizet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scrambling and descrambling a high definition TV signal
- Patent number 7,274,790
- Issue date Sep 25, 2007
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for generating a signal that defeats illegal c...
- Patent number 6,839,433
- Issue date Jan 4, 2005
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhancing concealment in the presence of fine mistuning for various...
- Patent number 6,711,261
- Issue date Mar 23, 2004
- Macrovision Corp.
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling a high definition television si...
- Patent number 6,542,609
- Issue date Apr 1, 2003
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for locating copy protection pulses within selected video li...
- Patent number 6,421,497
- Issue date Jul 16, 2002
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for effectively inhibiting unauthorized copyin...
- Patent number 6,266,480
- Issue date Jul 24, 2001
- Sony Corporation
- Tadashi Ezaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for maintaining synchronization between audio and...
- Patent number 6,262,776
- Issue date Jul 17, 2001
- Microsoft Corporation
- Laurence Kelvin Griffits
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for removing or defeating effects of copy prot...
- Patent number 6,173,109
- Issue date Jan 9, 2001
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for removing or defeating effects of copy prot...
- Patent number 6,002,830
- Issue date Dec 14, 1999
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for scrambling and descrambling video signals by altering sy...
- Patent number 5,978,480
- Issue date Nov 2, 1999
- Vtech Communications, Ltd.
- Ming Fong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for digitally removing or defeating effects of...
- Patent number 5,953,417
- Issue date Sep 14, 1999
- Macrovision Corp.
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television scrambling system
- Patent number 5,912,970
- Issue date Jun 15, 1999
- Zenith Electronics Corporation
- John P. Eck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,844,988
- Issue date Dec 1, 1998
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,841,863
- Issue date Nov 24, 1998
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coded signal decoding circuit, and synchronous control method for t...
- Patent number 5,777,999
- Issue date Jul 7, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Toshiyuki Hiraki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal scrambling apparatus
- Patent number 5,768,376
- Issue date Jun 16, 1998
- Samsung Electro-Mechanics Co., Ltd.
- Dong Hyun Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Insertion of supplemental burst into video signals to thwart piracy...
- Patent number 5,651,065
- Issue date Jul 22, 1997
- General Instrument Corporation of Delaware
- Alfred W. Stufflet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,608,799
- Issue date Mar 4, 1997
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,581,307
- Issue date Dec 3, 1996
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for vertically scrambling and descrambling of...
- Patent number 5,579,390
- Issue date Nov 26, 1996
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling
- Patent number 5,504,815
- Issue date Apr 2, 1996
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,438,620
- Issue date Aug 1, 1995
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video scramble system and equipment
- Patent number 5,410,601
- Issue date Apr 25, 1995
- Pioneer Electronic Corporation
- Takashi Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of scrambling PAL, SECAM and NTSC composite video signals an...
- Patent number 5,177,485
- Issue date Jan 5, 1993
- Laboratoire Europeen de Recherches Electroniques Avancees
- Patrick Daniel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for enhancing the security of a scrambled tele...
- Patent number 5,146,496
- Issue date Sep 8, 1992
- General Instrument Corporation
- Richard Westerfer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for encrypting and decrypting time domain signals
- Patent number 5,058,157
- Issue date Oct 15, 1991
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for encrypting and decrypting time domain signals
- Patent number 4,916,736
- Issue date Apr 10, 1990
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Providing a Copy-Protected Video Signal
- Publication number 20120002950
- Publication date Jan 5, 2012
- DCS Copy Protection Limited
- Baolin Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for providing a copy-protected video signal
- Publication number 20060093326
- Publication date May 4, 2006
- Baolin Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scrambling and descrambling a high definition TV signal
- Publication number 20040047469
- Publication date Mar 11, 2004
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System for the transmission of audiovisual signals between source n...
- Publication number 20030221195
- Publication date Nov 27, 2003
- Canon Europa N.V.
- Stephane Bizet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

by displacing synchronisation signals relative to active picture signals or vice versa

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for providing a copy-protected video signal

Method and apparatus for providing a copy-protected video signal

System for the transmission of audiovisual signals between source n...

Scrambling and descrambling a high definition TV signal

Method and apparatus for generating a signal that defeats illegal c...

Enhancing concealment in the presence of fine mistuning for various...

Method and apparatus for scrambling a high definition television si...

Method for locating copy protection pulses within selected video li...

Apparatus and method for effectively inhibiting unauthorized copyin...

System and method for maintaining synchronization between audio and...

Method and apparatus for removing or defeating effects of copy prot...

Method and apparatus for removing or defeating effects of copy prot...

System for scrambling and descrambling video signals by altering sy...

Method and apparatus for digitally removing or defeating effects of...

Television scrambling system

Method and apparatus for scrambling and descrambling of video signa...

Method and apparatus for scrambling and descrambling of video signa...

Coded signal decoding circuit, and synchronous control method for t...

Video signal scrambling apparatus

Insertion of supplemental burst into video signals to thwart piracy...

Method and apparatus for scrambling and descrambling of video signa...

Method and apparatus for scrambling and descrambling of video signa...

Method and apparatus for vertically scrambling and descrambling of...

Method and apparatus for scrambling and descrambling

Method and apparatus for scrambling and descrambling of video signa...

Video scramble system and equipment

Method of scrambling PAL, SECAM and NTSC composite video signals an...

Method and apparatus for enhancing the security of a scrambled tele...

Method and apparatus for encrypting and decrypting time domain signals

Method and apparatus for encrypting and decrypting time domain signals

Patents Applicationslast 30 patents

Method and Apparatus for Providing a Copy-Protected Video Signal

Method and apparatus for providing a copy-protected video signal

Scrambling and descrambling a high definition TV signal

System for the transmission of audiovisual signals between source n...