Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
10/1983
10/04/1983US4408345 Remote line monitoring method and device for CATV system
10/04/1983US4408227 Method and apparatus for television distribution system sweep testing
10/04/1983US4408226 Test apparatus for monitoring digital transmissions
10/04/1983US4408225 Subscription television decoder
10/04/1983US4408224 Surveillance method and apparatus
10/04/1983CA1154888A1 System for the exchange and distribution of information over a subscribers' telephone network
09/1983
09/29/1983WO1983003329A1 Scrambling and descrambling of television signals for subscription tv
09/29/1983EP0079381A4 Method and apparatus for providing a video display of concatenated lines and filled polygons.
09/29/1983EP0079380A4 Pictorial information processing technique.
09/28/1983EP0089919A2 Method and circuit arrangements for processing digital video signals
09/20/1983US4405944 TV Sound transmission system
09/20/1983US4405943 Low bandwidth closed loop imagery control and communication system for remotely piloted vehicle
09/20/1983US4405942 Method and system for secure transmission and reception of video information, particularly for television
09/20/1983CA1154147A1 Method for a compatible increase in resolution in television systems
09/20/1983CA1154102A1 Intelligent teletext decoder
09/13/1983US4404591 Slit radiography
09/13/1983US4404590 Video blink comparator
09/13/1983US4404589 Cable television with multi-event signal substitution
09/13/1983US4404583 Method and apparatus for determining and controlling the sampling phase in sampling the burst signal of a color television signal
09/13/1983US4404553 Landing light pattern generator for simulator with selective addressing of memory
09/07/1983EP0087843A1 X-ray examination apparatus
09/07/1983EP0087565A1 Phase change dynamic scrambling
09/07/1983EP0087442A1 Image analysis system
09/06/1983US4403252 Television scrambling and unscrambling method and apparatus
08/1983
08/31/1983EP0087284A1 Image storage and transmission systems
08/31/1983EP0086839A1 High-sensitivity fm demodulating system
08/31/1983EP0086779A1 Television system
08/30/1983US4402010 Digital television signal processing and transmission system
08/30/1983CA1153104A2 Subscriber-limited reception television broadcast security encoder-decoder system
08/30/1983CA1153103A1 Scrambling and unscrambling video signals in a pay tv system
08/24/1983EP0086525A1 Television transmission method, transmitter and receiver with a plurality of sound channels
08/24/1983EP0086236A1 Image display unit
08/23/1983US4400810 Processing binary data
08/23/1983US4400732 PCM Signal extracting circuit
08/23/1983US4400726 Television signal distribution equipment for a cable network and including a stabilizer
08/23/1983US4400725 Picture display-image pickup apparatus
08/23/1983US4400724 Virtual space teleconference system
08/23/1983US4400719 Television display system with reduced line-scan artifacts
08/23/1983US4400693 MOS Parallel A/D converter
08/23/1983CA1152662A2 Method and system for subscription television billing and access
08/23/1983CA1152651A1 Method and apparatus for encoding a digital signal to have minimal dc component
08/23/1983CA1152632A1 Digital process for controlling the correct reproduction of a composite television signal and a device for implementing said process
08/23/1983CA1152631A1 Error correction circuit for digital information
08/23/1983CA1152599A1 Processing binary data
08/17/1983EP0086128A1 Asynchronous transmission system, particularly for a videotext interactive system
08/16/1983CA1152206A1 Buffer memory dispersion type video/audio transmission system
08/10/1983EP0085453A1 Electronic system for the secret transmission of audio signals
08/10/1983EP0085210A1 Image processing system
08/09/1983US4398217 Method of and arrangement for digitizing a time-discrete video signal using a picture transform coding
08/09/1983US4398216 Multiple signal transmission method and system, particularly for television
08/09/1983US4398215 Video signal processing system
08/09/1983US4398214 Wired television broadcasting system
08/09/1983US4398213 X-Ray diagnostic installation for providing subtraction images
08/09/1983US4398171 Video system for plotting and transmitting video traffic information
08/09/1983CA1151737A1 Processing binary data
08/04/1983DE3202400A1 Method and device for enciphering and deciphering television or other video information
08/03/1983EP0084950A2 Data storage system using video tape
08/03/1983EP0084628A2 Cable equalizing circuit
08/02/1983US4396989 Method and apparatus for providing a video display of concatenated lines and filled polygons
08/02/1983US4396950 CCD Camera
08/02/1983US4396947 Apparatus for encoding of information
08/02/1983US4396946 Transmission of data with a video signal
08/02/1983US4396938 Controlled ram signal processor
08/02/1983CA1151286A1 Tamper-resistant television signal scrambling
08/02/1983CA1151260A1 Digital data transmission system
07/1983
07/27/1983EP0084374A2 Digital image processing and display techniques utilizing differential image intensity determinations
07/27/1983EP0084270A2 Video bandwidth reduction system employing interframe block differencing and transform domain coding
07/26/1983US4395780 Service-integrated communication transmission and exchange system
07/26/1983US4395734 Remote muting for CATV/STV converters
07/26/1983CA1150859A1 Device for differential image determination
07/26/1983CA1150839A1 Method of measuring firing misses and firing missmeasuring installation for the performance of the method
07/26/1983CA1150823A1 Method and apparatus for digital television error correction without overhead bits
07/26/1983CA1150821A1 Transmission of data with a video signal
07/26/1983CA1150820A1 Videotex system provided with means for controlling access to the information
07/26/1983CA1150819A2 Subscription television apparatus and methods
07/26/1983CA1150818A1 Subscription television coding system
07/20/1983EP0083998A1 Scramble or unscramble byte generator
07/19/1983US4394774 Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback
07/19/1983US4394687 Apparatus for decoding digital information processed for inclusion in wide band T.V. video signal
07/19/1983US4394684 Device for differential image determination
07/13/1983EP0083465A1 Improved slit radiography
07/13/1983EP0083352A1 Colour television system.
07/12/1983US4393404 Special services teletext communications system
07/12/1983US4393402 Subtraction fluoroscopy method and apparatus
07/12/1983US4393376 Teletext interface for digital storage medium having synthetic video generator
07/12/1983CA1149929A1 Cable tv security means
07/12/1983CA1149878A1 Buffer amplifier circuit used in wideband tuner
07/07/1983WO1983002378A1 Sync suppression scrambling of television signals for subscription tv
07/07/1983WO1983002345A1 Two bit per symbol sec/ded code
07/06/1983EP0083127A1 System for transmitting television picture information using transform coding of subpictures
07/05/1983US4392155 Method and apparatus for image subtraction in order to extract non-common information from two light images
06/1983
06/29/1983EP0082489A2 Picture signal processing system including spatio-temporal filter
06/28/1983US4390901 Method and apparatus for controlling the operation of a television signal receiver
06/28/1983US4390900 Bidirectional information transmission via a long distance video interface (LDVI) cable
06/28/1983US4390899 Television signal processing system
06/28/1983US4390898 Scrambling and unscrambling video signals in a pay TV system
06/28/1983CA1149087A1 Stepped scanner imaging system
06/28/1983CA1149053A1 Page selection device for videotex system
06/28/1983CA1149052A2 Subscription television apparatus and methods
06/28/1983CA1149031A1 Adaptive filter including a delay circuit
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