Patents for H04N 7 - Television systems (274,023) |
---|
01/26/1988 | CA1232057A1 Colour television transmission or data storage system |
01/21/1988 | DE3726065A1 BOX-TYPE MOTOR VEHICLE having an evaluation device in the driver's cab, which evaluation device allows an operator to assess an object by means of screens and sound transducers, the signals from a video camera being used especially for assessment of the recording angle |
01/20/1988 | EP0253623A2 Multiplex signal processing apparatus |
01/20/1988 | EP0253608A2 Video scanning systems |
01/20/1988 | EP0253110A2 Micrprocessor controlled videotext decoder |
01/19/1988 | US4720749 Electronic print board |
01/19/1988 | US4720744 Television system |
01/19/1988 | US4720743 Predictine coding/decoding system for block-formed picture signals |
01/19/1988 | CA1231782A1 System, method, and station interface arrangement for playing video games over telephone networks |
01/14/1988 | WO1988000422A1 Motion detection apparatus employing information contained in the frequency spectrum of a television signal |
01/14/1988 | DE3623029A1 Subscriber set for video telephony |
01/13/1988 | EP0252563A2 System for transmitting and receiving a television signal, and also a transmitting section and a receiving section for said system |
01/13/1988 | EP0252215A2 Process for simultaneous representation of at least two successive events in TV and arrangement for the realization of the process |
01/13/1988 | EP0137830B1 Dynamic noise reduction for video |
01/12/1988 | US4719621 Packet fastbus |
01/12/1988 | US4719584 Dual mode video tracker |
01/12/1988 | US4719510 Teletext decoders |
01/12/1988 | US4719504 Method for converting an analog picture signal into an amplitude-discrete output signal |
01/12/1988 | US4719451 In a video digital imaging system |
01/12/1988 | CA1231435A1 Signal coding for secure transmission |
01/12/1988 | CA1231434A1 Remote control switching of television sources |
01/07/1988 | EP0252058A2 A VCR interface for receiving cable tv signals |
01/07/1988 | EP0251626A2 Transmission system for audio-data signals to accompany transmitted video signals |
01/07/1988 | EP0250661A1 Video transmission system using time-warp scrambling |
01/07/1988 | EP0250632A1 Digital frame frequency and line scan converter for colour television signals |
01/07/1988 | EP0250533A1 Method of coding a video signal for transmission in a restricted bandwidth. |
01/07/1988 | EP0250532A1 Method of transmitting a video signal in sampled form |
01/07/1988 | DE3721614A1 Television receiver for text transmission |
01/07/1988 | DE3622308A1 Method of receiving periodically repeating teletext data |
01/06/1988 | CN87104065A Improving immunity to channel distortions of mac signal |
01/05/1988 | US4718117 TVRO receiver system with low-cost video-noise reduction filter |
01/05/1988 | US4718107 Parental control for CATV converters |
01/05/1988 | US4718104 Filter-subtract-decimate hierarchical pyramid signal analyzing and synthesizing technique |
01/05/1988 | US4718086 AGC in sound channel of system for processing a scrambled video signal |
01/05/1988 | US4717970 Video system with programmable VCR |
01/05/1988 | US4717962 Method for compressing and reconstructing a data representation of a picture |
01/05/1988 | US4717957 Video compression method |
01/05/1988 | US4717956 Image-sequence compression using a motion-compensation technique |
01/05/1988 | US4717820 Device for detecting movable objects |
01/05/1988 | CA1231171A1 Progressive scan television receiver for non-standard signals |
01/05/1988 | CA1231170A1 Teletext magazine code detector |
12/29/1987 | US4716588 Addressable subscription television system having multiple scrambling modes |
12/29/1987 | US4716587 Broadband-signal broadcasting system |
12/29/1987 | US4716585 Gain switched audio conferencing network |
12/29/1987 | US4716457 Electronic endoscopic system |
12/29/1987 | US4716426 Method of and apparatus for photographing medical image |
12/29/1987 | US4716410 CATV data transmission method |
12/23/1987 | EP0250274A1 Method and device for modulating television signals, especially those of the D2-MAC-packet type |
12/23/1987 | EP0250152A2 High speed transform circuit |
12/23/1987 | EP0249607A1 Method and device for compressing digital images by conditional coding without information loss |
12/23/1987 | DE3620424A1 Hybrid coder |
12/22/1987 | US4715059 Conversational video phone |
12/22/1987 | US4714959 Bi-directional amplifier for control and video signals in a closed circuit television system |
12/22/1987 | CA1230668A1 Two-way subscriber television system |
12/17/1987 | WO1987007810A1 Mac format with alternating dc level and clock recovery signals |
12/17/1987 | WO1987007807A1 Signal matching signal substitution |
12/17/1987 | WO1987007795A1 Fast tuning control for a television system |
12/16/1987 | EP0249086A2 Method and apparatus for encoding/transmitting image |
12/16/1987 | CN87104093A Devices for computing monodimentional cosine transforms and image coding device and decoding device ineluding such computation devices |
12/15/1987 | US4713840 Data communication system |
12/15/1987 | US4713698 Write-in electronic display recorder |
12/15/1987 | US4713692 Method and apparatus for deriving frame interval signals |
12/15/1987 | US4713689 Frequency demodulator for television receiver with time multiplexing |
12/15/1987 | US4713686 High speed instantaneous multi-image recorder |
12/15/1987 | US4713685 Video monitoring apparatus |
12/15/1987 | CA1230414A1 Fast profile determination device |
12/15/1987 | CA1230411A1 Multiple access communication on a catv reverse channel |
12/10/1987 | DE3619371A1 Method for multiplexing and demultiplexing plesiochronous digital signals |
12/10/1987 | DE3618660A1 Circuit for generating a duobinary-coded signal for the D2 MAC television transmission system |
12/09/1987 | EP0248729A1 Monodimensional cosine transform calculators and image coding and decoding devices using such calculators |
12/09/1987 | EP0248711A1 Method of transform coding for the transmission of image signals |
12/09/1987 | EP0248441A2 Pay TV scrambling by audio encryption |
12/09/1987 | EP0248063A1 Process or system for programming a video-recorder. |
12/09/1987 | EP0248002A1 Method and apparatus for detecting the most powerfully changed picture areas in a live video signal |
12/09/1987 | CN87101996A Data compression using block list transform |
12/08/1987 | US4712240 Transmission and reception of television broadcast in high-fidelity stereo audio |
12/08/1987 | US4712239 Security arrangement for downloadable cable television converters |
12/08/1987 | US4712238 Selective-subscription descrambling |
12/08/1987 | US4712237 Method and apparatus for unscrambling sync-suppressed television signals |
12/08/1987 | US4712214 Protocol for handling transmission errors over asynchronous communication lines |
12/08/1987 | US4712133 Endoscopic apparatus |
12/08/1987 | US4712131 Sync apparatus for image multiplex transmission system |
12/03/1987 | WO1987007462A1 Telecommunications interface |
12/03/1987 | DE3618339A1 Additional digital colour television transmission via the existing coaxial cable network |
12/02/1987 | EP0247788A2 Picture storage and retrieval system for various limited storage mediums |
12/02/1987 | EP0247703A1 Pseudo-random binary sequence generators |
12/02/1987 | EP0247075A1 Method for hybrid coding by transformation for the transmission of image signals. |
12/01/1987 | US4710971 Channel selecting device for CATV terminal unit |
12/01/1987 | US4710956 Cable television system |
12/01/1987 | US4710955 Cable television system with two-way telephone communication path |
12/01/1987 | US4710917 Video conferencing network |
12/01/1987 | US4710824 System and method for improving chrominance in video disc storage system |
12/01/1987 | US4710813 Low bandwidth video teleconferencing system and method |
12/01/1987 | US4710812 Interframe adaptive vector quantization encoding apparatus and video encoding transmission apparatus |
12/01/1987 | US4710811 Highly efficient coding apparatus for a digital video signal |
12/01/1987 | US4710810 Predictive coding/decoding apparatus for video signal |
12/01/1987 | US4710809 Method for the representation of video images or scenes, in particular aerial images transmitted at reduced frame rate |
12/01/1987 | CA1229931A1 Video terminal with image line disarrangement |
12/01/1987 | CA1229910A1 Quad-edge video signal detector |
12/01/1987 | CA1229909A1 Digital audio scrambling system with error conditioning |