Patents for H04N 7 - Television systems (274,023)
02/1994
02/01/1994US5283637 Telecommunication system for transmitting full motion video
02/01/1994US5283577 Word width reduction system for videosignal processing and transmission
01/1994
01/31/1994CA2094524A1 Digital image processor for color image compression
01/27/1994DE4224275A1 Increasing data compression using transform coding - forming absolute value from data flow from single- or multi-dimensional transformation part
01/26/1994EP0580508A2 Motion compensating apparatus
01/26/1994EP0580454A2 Coding and decoding of digital data
01/26/1994EP0580367A2 Video signal transmission, recording and reproduction
01/26/1994EP0580329A2 Digital video tape recorder containing additional information blocks
01/26/1994EP0580287A2 Method and apparatus for detecting a frame sync signal
01/26/1994EP0580227A1 System for the transmission and reception of television signals upon payment
01/26/1994EP0580146A1 Method and associated apparatus for achieving additional signal level resolution from a quantized digital representation of an image
01/26/1994EP0580101A2 High-definition video encoding system having color-sensitive quantization
01/26/1994EP0580061A2 Method, coder and decoder for improving compatibility of HDMAC signals
01/26/1994EP0580011A2 Method for the transmission of digital video and audio signals and suitable receiving apparatus
01/26/1994EP0579844A1 Method and apparatus for motion estimation
01/26/1994EP0579651A1 Coding process.
01/26/1994EP0579645A1 Device for recording and/or reproducing picture signals.
01/26/1994EP0382770B1 Image recording system
01/26/1994CN1081306A Satellite intermediate-frequency cable television network
01/25/1994US5282255 Method and apparatus for processing both still and moving visual pattern images
01/25/1994US5282249 System for controlling access to broadcast transmissions
01/25/1994US5282248 Time limited signal conduction system
01/25/1994US5282032 Error detection/concealment for serial digital video
01/25/1994US5282031 Fixed bit rate compression encoding method
01/25/1994US5282028 System for displaying information
01/25/1994US5282027 Image projection display and pick-up apparatus with optical shutter
01/25/1994US5282019 Method and apparatus for the transmission and reception of a multicarrier digital television signal
01/25/1994CA2100311A1 High-definition video encoding system having color-sensitive quantization
01/25/1994CA1326535C Device and method to render secure the transfer of data between a videotex terminal and a server
01/20/1994WO1994001972A1 Compressed video bit rate reduction system
01/20/1994WO1994001971A2 Electronic film editing system using both film and videotape format
01/20/1994WO1994001970A1 Motion compensated video processing
01/20/1994WO1994001964A1 Media server for supplying video and multi-media data over the public telephone switched network
01/20/1994WO1994001830A1 Correlation signal processing
01/20/1994WO1994001825A1 Financial transaction system for electronic services
01/20/1994WO1994001824A1 A single chip integrated circuit system architecture for video-instruction-set-computing
01/20/1994WO1994000973A2 Information coding and transmission process
01/20/1994CA2139861A1 Media server for supplying video and multi-media data over the public telephone switched network
01/20/1994CA2139416A1 Motion compensated video processing
01/20/1994CA2138803A1 Correlation signal processing
01/19/1994EP0579514A2 High efficiency encoding/decoding system
01/19/1994EP0579450A2 An image encoding device
01/19/1994EP0579395A1 Spatial/frequency hybrid video coding facilitating the derivation of variable-resolution images
01/19/1994EP0579319A2 Tracking moving objects
01/19/1994EP0579187A2 Guidance and targeting system
01/19/1994EP0579075A2 Transmission error recovery for digital communication systems
01/19/1994EP0578816A1 Method of inspecting articles
01/19/1994EP0578671A1 Tv-based monitoring system.
01/19/1994CN1081052A A coding technique for high definition television signals
01/19/1994CN1081051A Method coder and decoder for the transmission and/or storage of data
01/19/1994CN1081050A Method and apparatus for adaptive interpolation
01/19/1994CN1081049A Video memory system with double multiplexing of video and motion samples in a field memory for motion adaptive compensation of processed video signals
01/19/1994CN1081041A Authorization code lockout mechanism for preventing unauthorized reception of transmitted data
01/19/1994CN1081036A Method and apparatus for minimizing error propagation in correlative digital communication system
01/18/1994US5280540 Video teleconferencing system employing aspect ratio transformation
01/18/1994US5280537 Digital communication system using superposed transmission of high speed and low speed digital signals
01/18/1994US5280530 Method and apparatus for tracking a moving object
01/18/1994US5280512 Arrangement for producing X-ray images
01/18/1994US5280497 Communicating on wandering channels
01/18/1994US5280479 Device for insertion of digital packets in a transmission channel
01/18/1994US5280397 Bi-directional HDTV format digital signal converter
01/18/1994US5280363 Slit camera apparatus
01/18/1994US5280353 Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation
01/18/1994US5280352 Circuit arrangement for time base transformation of a digital picture signal
01/18/1994US5280351 Television standards converters for converting an input digital video signal from one television standard to another
01/18/1994US5280350 Method and apparatus for processing a picture signal to increase the number of displayed television lines using motion vector compensated values
01/18/1994US5280349 HDTV decoder
01/18/1994US5280346 Equalizing amplifier
01/18/1994US5280345 Jitter correction circuit for reducing jitter components of a luminance signal in video information compression
01/18/1994US5280343 Separable subsampling of digital image data with general periodic symmetry
01/18/1994US5280277 Field updated deformable mirror device
01/18/1994US5280266 Visitor sensing device
01/18/1994CA1326287C Frequency generation for extended bandwidth mac color television encoding and decoding
01/13/1994DE4322343A1 Movement vector detector for compensating movement in image - uses reference window data and comparator receiving summed outputs of processor elements to derive movement vector for pattern block of current image
01/13/1994DE4318526A1 Document image transmission using video camera - with output subjected to Hough transformation to allow correction of video data to achieve correctly aligned image to be transmitted
01/13/1994DE4221280A1 Acquiring and storing video images in continuous memory in vehicle for documenting traffic conditions - involves overwriting oldest image in store with latest image depending on defined criteria
01/12/1994EP0578573A1 Method and arrangement for correcting the losses in a video signal transmitted over a wire pair line
01/12/1994EP0578438A2 Truncation error correction for predictive coding/encoding
01/12/1994EP0578355A2 Digital video tape recording/playback system and signal processing apparatus therefor
01/12/1994EP0578300A2 Television receiver including a teletext decoder
01/12/1994EP0578290A1 Motion estimation
01/12/1994EP0578201A2 Method and apparatus for transmitting a video signal, and apparatus for receiving a video signal
01/12/1994EP0578183A2 Remote control system for video camera
01/12/1994EP0577899A1 Aural carrier correction system and method
01/12/1994EP0577660A1 Filter for liquids, in particular internal-combustion engine lubricant oils.
01/12/1994CN2153187Y Signal transmitter for video neibourhood telephone
01/12/1994CN1080804A Apparatus for arranging compressed video data for transmission over anoisy communication channel
01/12/1994CN1023538C Inteactive television and data transmission system
01/12/1994CN1023537C Interactive television and data transmission system
01/11/1994US5278915 Method for hierarchical estimation of the movement in a sequence of images
01/11/1994US5278914 Detector systems for existence or non-existence and stagnation of refuse and system for preventing stagnation of refuse
01/11/1994US5278908 Interdiction method and apparatus with programmable jamming effectiveness
01/11/1994US5278889 Video telephony dialing
01/11/1994US5278845 Teletext decoder with error detection and correction
01/11/1994US5278651 Method and apparatus for synchronizing respective phases of high definition television signal components
01/11/1994US5278649 Method and apparatus for transmission of signals for an extended definition television system
01/11/1994US5278648 Mixed field time-multiplexed video transmission system and method
01/11/1994US5278647 Video decoder using adaptive macroblock leak signals
01/11/1994US5278646 Efficient frequency scalable video decoding with coefficient selection
01/11/1994US5278644 Pseudo cross-couple for non-linear detectors