Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
10/1989
10/18/1989CN1036490A Interactive video method and apparatus
10/17/1989US4875225 X-ray video system and method for the transillumination of an examination subject
10/17/1989US4875108 Phase lock loop
10/17/1989US4875096 Encoding of audio and digital signals in a video signal
10/17/1989US4875095 Noise-shaping predictive coding system
10/17/1989US4875094 Method of and device for estimating motion in a sequence of pictures
10/17/1989US4875093 Ultrafast continuous imaging apparatus
10/17/1989US4875090 Information data transmission system
10/17/1989EP0323457A4 Motion detector apparatus for responding to edge information contained in a television signal.
10/12/1989DE3822345C1 Method of improving coding security
10/12/1989DE3809443A1 Method for correcting picture faults in the digital transmission of reduced-data video signals
10/11/1989EP0336669A2 Sampling frequency converter
10/11/1989EP0336510A2 Predictive still-image encoder
10/11/1989EP0336509A2 Hybrid encoder for video signals
10/11/1989EP0336365A2 Method of and apparatus for eliminating interblock distortion due to compressed image data
10/11/1989EP0335872A1 Process and circuitry for reducing the data rate of digital pictures.
10/11/1989EP0278955A4 Motion detection apparatus employing information contained in the frequency spectrum of a television signal.
10/10/1989US4873689 Method and apparatus for collecting errors in the digital data of a television signal
10/10/1989US4873573 Video signal processing for bandwidth reduction
10/10/1989US4873567 Extended horizontal resolution of luminance and chrominance in a high definition television system
10/10/1989CA1262280A1 Method for combining a digital video signal and three digital narrow band signals to form a 139,264 kbit/s signal
10/10/1989CA1262260A1 Broadband optical distribution system
10/05/1989WO1989009529A1 Computer-based video compression system
10/05/1989WO1989009528A1 Set-top interface transactions in an impulse pay per view television system
10/05/1989WO1989009527A1 Frequency generation for extended bandwidth television
10/05/1989DE3906315A1 Videophone
10/05/1989DE3808917A1 Receiving device for frequencies in the television range
10/05/1989DE3808657A1 Information distribution system
10/04/1989CN1036113A 高清晰度视频信号处理 High-definition video signal processing
10/03/1989US4872054 Video interface for capturing an incoming video signal and reformatting the video signal
10/03/1989US4872053 Device to control the presence of information of images in video signals
09/1989
09/28/1989DE3742280A1 Method for 4-channel television sound transmission
09/27/1989EP0334580A2 System and method for performing error correction on still frame audio tape format video signals
09/27/1989EP0334335A2 Video signal transmission apparatus
09/27/1989CN1035929A Advanced compatible television system with auxiliary carrier
09/26/1989US4870695 Compression and de-compression of column-interlaced, row-interlaced graylevel digital images
09/26/1989US4870682 Television scrambling system
09/26/1989US4870661 Sample rate conversion system having interpolation function
09/26/1989US4870490 Television receiver
09/26/1989US4870489 NTSC compatible HDTV transmission system
09/26/1989US4870481 Color television signal transmission system and improved-definition receiver for use in the system
09/26/1989US4870480 Subnyquist demodulator as for a television receiver
09/26/1989CA1261961A1 Pay tv scrambling by audio encryption
09/26/1989CA1261960A1 Decoder for a pay television system
09/26/1989CA1261445A1 Parallel analog device for the local processing of a bidimensional signal
09/26/1989CA1261082A1 Multiplexed real-time pyramid signal processing system
09/26/1989CA1261069A1 Two-channel coding of digital signals
09/26/1989CA1261057A1 Television transmission network with scrambling and descrambling
09/26/1989CA1260605A1 Standard converting apparatus
09/26/1989CA1260581A1 Telecommunications interface
09/26/1989CA1260135A1 Deriving frame interval signals
09/21/1989WO1989008967A1 Broadband telecommunications networks
09/21/1989WO1989008966A1 Off-premises cable television channel interdiction method and apparatus
09/21/1989WO1989008891A1 Circuit implementation of block matching algorithm
09/21/1989DE3901103C1 Method for transmitting stereoscopic television images
09/20/1989EP0333466A1 Broadband telecommunications networks
09/20/1989EP0333382A1 Frequency detection
09/20/1989EP0333273A2 Control signal generator for processing a video signal
09/20/1989EP0333069A2 Device and method for discriminating movement in a video signal
09/20/1989EP0333029A2 Rapid access teletext decoder arrangement
09/20/1989CN1005237B Method and apparatus for creating encrypted and decrypted television signals
09/19/1989US4868892 Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic
09/19/1989US4868871 Nonparametric imaging tracker
09/19/1989US4868817 Circuit for preventing a microcomputer from malfunctioning
09/19/1989US4868815 Power transmission system
09/19/1989US4868658 Method and apparatus for multiplexing television signals
09/19/1989US4868656 Method and apparatus for reducing visibility of scanning lines in television picture
09/19/1989US4868655 Method and apparatus for processing picture signals having interlaced field scanning
09/19/1989US4868654 Sub-nyquist sampling encoder and decoder of a video system
09/19/1989US4868653 Adaptive digital video compression system
09/19/1989US4868647 Electronic endoscopic apparatus isolated by differential type drive means
09/19/1989US4868641 Device for data rate regulation linked to at least two digital video signal components
09/14/1989DE3843423C1 Compatible television transmission system
09/13/1989EP0332553A1 Method for reallocating the choice of processing for sub-sampling upon the criterium of a bit rate reduction of assistance data which serve in the reconstruction of a sub-sampled electronic image
09/13/1989EP0332385A2 A bandwidth reduction system for television
09/13/1989EP0332184A2 Protocol integrating videotex communication system
09/13/1989EP0331923A1 Still Picture transmission device
09/13/1989EP0175736B1 Apparatus for processing a television signal including a movement detector
09/12/1989US4866787 Channel strip for use in a satellite/hybrid television system
09/12/1989US4866770 Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
09/12/1989US4866719 System and method for performing error correction on still frame audio tape format video signals
09/12/1989US4866707 Secure messaging systems
09/12/1989US4866522 Television transmission system with multiplexed components
09/12/1989US4866521 Advanced compatible television system with auxiliary carrier
09/12/1989US4866520 Video system for displaying lower resolution video signals on higher resolution video monitors
09/12/1989US4866519 Method and apparatus for increasing the vertical definition of a transmitted television signal
09/12/1989US4866518 Arrangement for DPCM coding of television signals with fast signal processing
09/12/1989US4866515 Passenger service and entertainment system for supplying frequency-multiplexed video, audio, and television game software signals to passenger seat terminals
09/12/1989US4866514 Image processing having a second set of look-up-tables (LUTS) for generating error value signals
09/12/1989US4866511 Color correction system with color level modification and corresponding method
09/12/1989US4866510 Digital video encoder
09/12/1989US4866509 System for adaptively generating signal in alternate formats as for an EDTV system
09/12/1989US4866355 Remote control of panning/tilt head motors
09/08/1989WO1989008368A1 Widescreen television signal processing system with center and side panel image resolution uniformity
09/08/1989WO1989008367A1 Television signal processing system for reducing diagonal image artifacts
09/08/1989WO1989008366A1 Extended definition widescreen television system using plural signal transmission channels
09/06/1989EP0331506A2 Automatic gain control system
09/06/1989EP0331236A1 Method and device for coding digital video signals and decoding device therefor
09/06/1989EP0331094A2 Multimedia data transmission system
09/06/1989EP0197126B1 Process for recording and/or reproduction of digitally coded signals
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