Patents for H04N 7 - Television systems (274,023)
06/1991
06/19/1991EP0432222A1 Hierarchically range adaptive coding method for signals, especially suitable for picture analysis and codings
06/19/1991EP0432205A1 Enhanced tv system using transmitted error signals.
06/18/1991US5025495 Motion dependent video signal processing
06/18/1991US5025482 Image transformation coding device with adaptive quantization characteristic selection
06/18/1991US5025478 Method and apparatus for detecting false edges in an image
06/18/1991US5025460 System and circuits for the processing and transmission of a clock signal, in particular of the video synchronization frequency
06/18/1991US5025314 Apparatus allowing remote interactive use of a plurality of writing surfaces
06/18/1991CA1285064C Method for recording and/or reproducing digitally coded signals
06/13/1991WO1991008651A1 Optimum amplitude and frequency of jamming carrier in interdiction program denial system
06/13/1991WO1991008650A1 Picture carrier controlled automatic gain control circuit for cable television interdiction or jamming apparatus
06/13/1991WO1991008649A1 Catv reverse path manifold system
06/13/1991WO1991008648A1 A hybrid residual-based hierarchical storage and display method for high resolution digital images in a multiuse environment
06/13/1991WO1991008645A1 Tuning apparatus
06/13/1991WO1991008641A2 Dual processor image compressor/expander
06/13/1991WO1991008626A1 Method of labelling a broadcast signal
06/13/1991WO1991008546A1 Method for compressing images by self-organization of a neuronal network
06/13/1991WO1991007061A3 A hierarchical storage and display method for high resolution digital images in a multiuse environment
06/13/1991DE4025026A1 Code Division multiplexer with serial to parallel conversion - for values of PCM signal in half or full periods of sinusoidal AC
06/13/1991DE3940811A1 Schaltung zur steuerung eines bildsignalspeichers A circuit for controlling an image signal memory
06/13/1991DE3940767A1 Television signal protection system - uses encoding tone signal with corresp. decoder at each authorised reception station
06/12/1991EP0432048A1 Method for promoting pay-televion-broadcasts and device for carrying out this method
06/12/1991EP0432014A1 Optoelectronic assistance system for air-raid missions and navigation
06/12/1991EP0431875A2 Energy dispersal signal adding apparatus and energy dispersal signal removing apparatus
06/12/1991EP0431816A1 Cable television networks
06/12/1991EP0431699A1 Method and arrangement for moving picture decoding
06/12/1991EP0431602A2 Television signal multiplexing and demultiplexing system
06/12/1991EP0431397A2 Homodyne receiver for cable television converter
06/12/1991EP0431319A2 Video signal coding apparatus, coding method and video signal coding transmission system
06/12/1991EP0431299A2 Two wavelength in-situ imaging of solitary internal waves
06/12/1991EP0431116A1 Circuitry for reducing flicker in lines and edges in television pictures, and interpolation circuit.
06/12/1991EP0431062A1 Teleconference facility with high resolution video display
06/12/1991EP0430937A1 Interactive microscopic image display system and method
06/12/1991CA2027980A1 Auxiliary image information coding for a television system
06/11/1991US5023931 Television local wireless transmission and control
06/11/1991US5023919 Apparatus and method for treating encoded image data including correction for encoding/decoding deterioration
06/11/1991US5023825 Coefficient reduction in a low ratio sampling rate converter
06/11/1991US5023725 Photographing and projecting
06/11/1991US5023721 TV of internal PiP type for receiving the character multibroadcasting
06/11/1991US5023717 Television standard conversion arrangement which converts directly to a second standard from a first standard without an intermediary conversion
06/11/1991US5023716 Image information signal transmitting system
06/11/1991US5023715 Method of and apparatus for transmitting image information
06/11/1991US5023710 Digital video data
06/09/1991WO1991009502A1 Process and device for transmitting video signals in a confined medium
06/09/1991CA2069748A1 Process and device for transmitting video signals in a confined spaces
06/08/1991CA2028885A1 Two wavelength in-situ imaging of solitary internal waves
06/05/1991WO1991008631A1 Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links
06/05/1991EP0430891A2 Apparatus for improving a coded video signal
06/05/1991EP0430711A2 Video network
06/05/1991EP0430631A2 A highly efficient coding apparatus
06/05/1991EP0430531A2 Technique for determining signal dispersion characteristics in communications systems
06/05/1991EP0430447A2 Methods of and apparatus for digital video signal processing
06/05/1991EP0430202A2 Transmitter for generating video signals of different aspect-ratio and receiver for displaying such video signals
06/05/1991EP0430027A2 Method for decoding coded picture data
06/05/1991EP0429778A2 System and method of collecting and transmitting pictorial information
06/05/1991EP0429678A1 Dynamic image encoder and dynamic image decoder
06/05/1991CN1012782B 译码均衡器 Decoding equalizer
06/04/1991US5022079 Lock means and TV sync for air-to-surface missile
06/04/1991US5022078 Television signal enhancement and scrambling system
06/04/1991US5021891 Adaptive block size image compression method and system
06/04/1991US5021882 Definition television systems
06/04/1991US5021881 Motion dependent video signal processing
06/04/1991US5021880 Digital video signal compression
06/04/1991US5021879 Hybrid encoder
06/04/1991US5021872 Phase locked subcarrier regenerator
06/04/1991US5021870 Interpolation of scan lines from video signals having interlaced scan lines
06/02/1991WO1991008643A1 Rate compression device and method for a videophone camera
06/02/1991WO1991008580A1 Fiber optic transimpedance receiver
06/02/1991CA2031178A1 Optoelectronic system for enhancing air attack and navigational missions
05/1991
05/30/1991WO1991007850A1 Digital video camera
05/30/1991WO1991007849A1 Method and device for scrambling and descrambling composite video signals
05/30/1991WO1991007848A1 A high speed interpolation filter for television standards conversion
05/30/1991WO1991007845A1 Storage of digital image composition control signal
05/30/1991WO1991007840A2 Digital compression method and system with improved coding efficiency
05/29/1991EP0429364A1 Supervisory alarm transmission and remote alarm receipt devices
05/29/1991EP0276214B1 Television signal transmission method and apparatus
05/29/1991EP0250534B1 Bandwidth compression for television signals
05/29/1991CN2078064U Open assembled type user terminal for cable tv sysstem
05/29/1991CN1051836A Signal processing apparatus for widescreen television system
05/29/1991CN1051834A 电视传输系统 Television transmission system
05/28/1991US5020134 CATV signal distribution system and local status monitor therefor
05/28/1991US5020129 Addressable control system for CATV program distribution
05/28/1991US5020120 Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes
05/28/1991US5020113 Maskable bilevel correlators
05/28/1991US5020049 Optical sub-carrier multiplex television transmission system using a linear laser diode
05/28/1991US5019914 System for recording and/or transmitting binary information at a high data rate via known means for recording and/or transmitting video information, and for decoding the digital data
05/28/1991US5019904 Scan converter with adaptive vertical filter for single bit computer graphics systems
05/28/1991US5019903 Spatial interpolation between lines of a supersampled digital video signal in accordance with a gradient vector selected for maximum matching of blocks of samples which are offset in opposite directions
05/28/1991US5019902 Band width compressing/reproducing system with fields for different frequency components
05/28/1991US5019901 Image motion vector sensor for sensing image displacement amount
05/28/1991US5019900 Telephone access display system
05/28/1991US5019899 Electronic data encoding and recognition system
05/28/1991CA2024475A1 System and method for collecting and transmitting pictorial information
05/23/1991DE4033538A1 TV signal data abstracting device - uses data from teletext to control TV receiver and video recorder
05/23/1991DE3937653A1 Teletext data transmission system
05/22/1991EP0428284A1 Harvesting of delicate products
05/22/1991EP0428256A2 Sweep control circuit for a diagnostic imaging system
05/22/1991EP0428252A2 A system for controlling access to broadcast transmissions
05/22/1991EP0428216A1 Device for improved decoding of HD-MAC television signals
05/22/1991EP0428073A2 High resolution translation of images
05/22/1991EP0427831A1 Improvements relating to entertainment and services systems