Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
09/1982
09/21/1982US4350998 Device for differential image determination
09/21/1982US4350848 Data transmission system
09/21/1982CA1132243A1 Digital transmission system for television video signals
09/15/1982EP0060220A1 Device for generating a pattern on the screen of a video monitor
09/15/1982EP0060095A2 Shuffling digital data
09/15/1982EP0059761A1 Television receiver with count type vertical synchronizing circuit
09/14/1982US4349904 Error correction circuit using character probability
09/14/1982US4349843 Television compatible thermal imaging system
09/14/1982US4349836 Apparatus for displaying information
09/14/1982US4349795 RF Trap for a cable television trunk amplifier station
09/14/1982CA1131786A1 Threshold setting circuit
09/14/1982CA1131762A1 Subscriber-limited reception television broadcast security encoder-decoder system
09/08/1982EP0059666A1 Display device for graphic information transmitted by a video text system
09/07/1982US4348762 Circuit for correcting data reading clock pulses
09/07/1982US4348691 Master antenna subscription television system and the like
09/07/1982US4348659 Method and apparatus for encoding a digital signal to have minimal DC component
09/07/1982US4348645 Buffer amplifier circuit used in wideband tuner
09/07/1982CA1131349A1 Method and apparatus for video signal encoding with motion compensation
09/07/1982CA1131311A1 Apparatus and method for monitoring a communications system
08/1982
08/31/1982US4347619 Digital formatting system
08/25/1982EP0058551A2 FM television signal receiving circuit
08/25/1982EP0058446A1 Wideband signal distribution
08/24/1982US4346405 Visual information processing apparatus
08/24/1982US4346403 Process and device for producing animated cartoons
08/24/1982US4346397 Apparatus for reproducing a video signal of one system with conversion to a video signal of another system
08/24/1982US4346366 System for generating and modifying designs for automatic knitting machinery and the like
08/17/1982US4345314 Dynamic threshold device
08/17/1982US4345276 System and method for high quality image reproduction
08/17/1982US4345274 Object identification system utilizing closed circuit television
08/17/1982US4345273 Broad band switching system
08/17/1982CA1129989A1 Method and apparatus for pcm-encoding ntsc color television at sub-nyquist rate
08/10/1982US4344146 Video inspection system
08/05/1982WO1982002639A1 Switching system
08/03/1982US4343042 Bi-directional data transmission and control system
08/03/1982CA1129075A1 Television picture compressor
08/03/1982CA1129070A1 System for transmitting two color tv signals
07/1982
07/28/1982EP0056649A2 Digital signal receiver
07/28/1982EP0056402A1 Adaptive reconstruction of information signals in a plural channel system.
07/21/1982EP0056207A1 Method and apparatus for displaying on a raster-scanned display system, e.g. a CRT screen, messages transmitted by a television-like signal and comprising repeating elements
07/20/1982US4340940 Hardware reduction by truncation of selected number of most significant bits for digital video system using subsampling and adaptive reconstruction
07/20/1982US4340906 Video signal coding by video signal polarity reversal on the basis of brightness level comparison
07/20/1982CA1128195A1 Moving object inspection system
07/20/1982CA1128169A1 Monitoring system for monitoring a field
07/13/1982US4339803 Video frame store and real time processing system
07/13/1982US4339775 Fast frame rate augmentation
07/13/1982US4339772 TV Sound Transmission system
07/13/1982US4339745 Optical character recognition
07/13/1982CA1127768A1 Digital video correlator
07/13/1982CA1127753A1 Digital video and audio file system
07/13/1982CA1127752A1 Video composite transmission system integrating encoded data channels into blanking and synchronizing signal
07/08/1982WO1982002303A1 Switching system
07/07/1982EP0055540A1 Digital video signal error correction without overhead bits
07/07/1982EP0055404A1 Method and system for data communication
07/07/1982EP0055252A1 System for remote monitoring and data transmission over non-dedicated telephone lines
07/06/1982US4338628 Scrambled video communication system
07/06/1982US4338492 Television receiver with two-way telephone conversation capability
06/1982
06/30/1982EP0055168A1 Method and apparatus for displaying messages containing pages on a raster-scanned display system, e.g. a C.R.T. screen
06/30/1982EP0055167A1 Method and apparatus for displaying messages on a raster-scanned display system, e.g. a CRT screen, using a segmented memory
06/30/1982EP0054771A1 Digital formatting system
06/29/1982US4337485 Broadcast teletext system
06/29/1982US4337483 Text video-transmission system provided with means for controlling access to the information
06/29/1982US4337481 Motion and intrusion detecting system
06/29/1982US4337480 Dynamic audio-video interconnection system
06/29/1982CA1126866A1 Channel multiplier plate crt scan converter and scan conversion method
06/29/1982CA1126853A1 Object inspection system
06/23/1982EP0054490A1 Method and device for the transfer of information between information processing systems with different processing cycles
06/23/1982EP0054120A1 Service integrated transmission system
06/23/1982EP0054079A1 MOS-parallel A/D converter
06/22/1982US4336554 Code signal blanking apparatus
06/22/1982US4336553 Method of coding audio and video signals
06/22/1982CA1126396A1 Threshold selection circuit
06/16/1982EP0053958A1 Process for the parallel/series conversion of a digital parallel sequence
06/16/1982EP0053885A2 Protected television signal distribution system
06/16/1982EP0053673A1 Service integrated digital transmission system
06/15/1982US4335404 Video signal mixer apparatus and method
06/15/1982US4335402 Information transmission during first-equalizing pulse interval in television
06/15/1982US4335395 Standards conversion of color television signals
06/15/1982US4335307 Radiographic apparatus and method with automatic exposure control
06/15/1982CA1125907A1 Picture signal coding apparatus
06/10/1982WO1982001973A1 Stereoscopic color television transmission and reception system
06/09/1982EP0053236A1 Service-integrated digital transmission system
06/09/1982EP0053185A1 Motion and intrusion detecting system.
06/08/1982US4334241 Pattern position detecting system
06/08/1982US4334237 Adaptive amplitude averaging for weighting quantizing noise
06/02/1982EP0053064A1 Digital transmission system with adaptive coding of sampled and orthogonally transformed analogue information
06/02/1982EP0052822A2 Method, arrangement and device for operating a television apparatus in a medical institution
06/02/1982EP0052695A2 System for transmitting television signals and auxiliary signals in the opposite direction along one and the same transmission line by the multiplex process
06/02/1982EP0052655A1 Television scrambling and unsscrambling method and apparatus
06/01/1982US4333158 Automatic gain control circuit for an adaptive filter
06/01/1982US4333109 Intelligent teletext decoder
06/01/1982US4333108 Apparatus and method for transmitting a pulse width modulated audio signal on a video signal
06/01/1982US4333107 Jam-resistant TV system
06/01/1982US4333106 Method of measuring firing misses and firing miss-measuring installation for the performance of the method
06/01/1982CA1124838A1 Apparatus for displaying moving film on a television receiver
06/01/1982CA1124833A1 Ntsc receiver useable with teletext/viewdata information
05/1982
05/27/1982WO1982001782A1 Landing light pattern generator for simulator with selective addressing of memory
05/27/1982WO1982001669A1 Stable vortex generating device
05/26/1982EP0052187A2 Optical density representing input signal thresholder
05/26/1982EP0052122A1 Image analysis system
05/25/1982US4331975 Instrumentation for surveying underground cavities
1 ... 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741