СПИСОК патентов США - подгруппа МПК16 H04N7/084


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№ п/п Номер патента Название патента

2016

19277170Apparatus for transceiving point to point moving signal reception high channel using horizontal blanking interval and method for executing the apparatus

2015

29210370Signal processing apparatus and methods

2010

37738040Method and system for detecting digital QAM, VSB and analog TV signals
47714934Transmission method, transmission system, sending device and reception device

2009

57586541Method and system for enhanced modulation of video signals

2007

67265793Method and system for detecting digital QAM, VSB and analog TV signals

2006

77116374Method and system for enhanced modulation of video signals
87050110Method and system for generating annotations video

2005

96952237Apparatus and method for transmitting audio over a dedicated video line
106937289Method and system for downloading and storing interactive device content using the horizontal overscan portion of a video signal
116912008Method of adding data to a data communication link while retaining backward compatibility
126895169Method and apparatus for VCR recording using key word selection of advance broadcast data
136892390Methods and systems for broadcast data services
146874161Utilizing a high bandwidth communications channel for broadcasting network data during off-peak hours
156862611System and method for providing internet address corresponding to an electronic signal to a user

2004

166724432Apparatus and method for transmitting audio over a dedicated video line
176704058System and method of adaptive timing estimation for horizontal overscan data

2003

186628887Video security system
196593972Interactive display system
206556627Information processing apparatus, information processing method and recording medium
216556247Method and system for decoding data in the horizontal overscan portion of a video signal
226510555Information providing apparatus and method, information receiving apparatus and method, and transmission medium

2002

236493361Data transmission and receiving system for multiplexing data with video data
246483547Transmission signal ID for analog television broadcasts
256412112System for transmitting digital data through a lossy channel
266353635Method for simultaneously controlling multiple devices using a single communication channel

2001

276281939Method and apparatus for decoding data encoded in the horizontal overscan portion of a video signal
286260193Synchronization of decoders in a bi-directional CATV network
296195530Selective messaging via on-screen display

2000

306166763Video security system
316124894Audio signal processor
326055020Method and device for transmitting additional data in television channels

1999

335940070Device and method for transmitting an audio signal using a video signal line in a computer system
345929921Video and audio signal multiplex sending apparatus, receiving apparatus and transmitting apparatus
355923364Video security system
365910822Data transmission and receiving system for multiplexing data with video data

1998

375822019Video signal transmitting apparatus with attendant data insertion and extraction functions
385812184Transmission of frame-to-frame reversed polarity signals in a two-way cable TV conversion system
395808689Method and apparatus for nesting secondary signals within a television signal
405761602Hybrid multichannel data transmission system utilizing a broadcast medium
415761303Inclusion of audio signal within video signal, at band edges
425751366Inclusion of audio signal within video signal
435745166Video security system field of the invention

1997

445675388Apparatus and method for transmitting audio signals as part of a television video signal
455596361Two-way cable TV conversion system for data transmission over a dedicated frequency band

1996

465589872Compatible interactive TV and multimedia delivery system two-way cable TV conversion system for data transmission over a dedicated frequency band
475570131Pseudo-digital compression of video signals
485550579Two-way cable tv conversion system

1995

495420895Phase compensating circuit
505402488Method and apparatus for modifying a video signal
515387942System for controlling reception of video signals

1994

525327238Method and apparatus for modulating a separated television horizontal sync pulse as a subcarrier of audio information
535323272Time delay control for serial digital video interface audio receiver buffer
545321514Interactive television and data transmission system

1993

555270816TV signal transmission systems and methods
565179443Multiplexed signal transmitting and receiving apparatus
575177604Interactive television and data transmission system

1992

585144431Television signal transmission system with temporal processing
595136381TV signal transmission systems and methods
605119192Television signal processor having means for comparing and deleting coincident video signal components for transmission
615093723Method of 90 degree phase-shift modulation and demodulation using phase locked loop and circuit thereof

1991

625055916Chrominance encoding for a widescreen television system
635043812TV signal transmission systems and methods
645043805TV signal transmission systems and methods
655040063TV signal transmission systems and methods
665008749Method and apparatus for generating an auxiliary timing signal in the horizontal blanking interval of a video signal

1990

674970592Horizontal synchronization, clock synchronization, D.C. restoration and gain control scheme for an analog TV system
684964162Secure television signal encoding and decoding system
694944032Multiplex signal processing apparatus

1989

704888638System for substituting television programs transmitted via telephone lines
714882614Multiplex signal processing apparatus
724851909Method and apparatus for maintaining audio/ video synchronism in a television signal read-out from a digital buffer memory by a reference signal

1988

734783699Apparatus and method for transmitting information by modulated video signal
744780758Telecommunication system with burst and continuous audio signals
754750036Interactive television and data transmission system
764745476Television sound signal processing apparatus
774742543Video transmission system
784739510Direct broadcast satellite signal transmission system

1987

794712240Transmission and reception of television broadcast in high-fidelity stereo audio
804694489Video transmission system
814688246CATV scrambling system with compressed digital audio in synchronizing signal intervals
824682360Video transmission system
834665431Apparatus and method for receiving audio signals transmitted as part of a television video signal
844656512Multiple audio transmission system using a single video color carrier
854646152Sharpness enhanced equal bandwidth luminance bandwidth compression system
864644399Video/digital data multiplexer

1986

874631584Transmission of reduced resolution picture edge information using horizontal blanking period
884591906Wireless transmission from the television set to the television station
894589109Multiplexed digital data transmission
904585998Method and device for coherent demodulation of a digitally modulated carrier

1984

914442461Signal recording and/or reproducing technique

1983

924396946Transmission of data with a video signal

1982

934358787Digital process for controlling the correct reproduction of a composite television signal and a device for implementing said process
944333108Apparatus and method for transmitting a pulse width modulated audio signal on a video signal
954321623Auxiliary television signal system
964318126Multiplexed video transmission apparatus for satellite communications

1981

974295155Gray scale sync video processing system
984253115Process for the transmission of an audiofrequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process

1980

994215370Satellite video multiplexing communications system
1004191969Video composite transmission system integrating encoded data channels into blanking and synchronizing signal

1979

1014156253Sound-in-video television transmission
1024134127Color television signal including auxiliary information

1977

1034005265Videophone system synchronizer

1976

1043955211Multiplex transmission of television audio-visual signals
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Дата формирования списка: 03.04.2017