Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
02/1983
02/09/1983EP0016125B1 Method and system for subscription television billing and access
02/01/1983US4371979 Method and apparatus for affording selective access to additional television channels
02/01/1983US4371895 Coded video signal transmitting and receiving system
02/01/1983US4371893 Video communication system allowing graphic additions to the images communicated
02/01/1983US4371343 Process and systems for the electronic generation of wide-angle moving images for training in the navigation of ships
02/01/1983CA1140677A1 Method and apparatus for producing an image of a person's face at a different age
02/01/1983CA1140668A1 Method and system for subscription television billing and access
02/01/1983CA1140667A2 Readout means of a calculator operatively associated with a home use tv image screen
01/1983
01/26/1983EP0070465A1 Method and arrangement for increasing frame frequency
01/26/1983EP0070284A1 Switching system
01/25/1983US4370677 Rotating shutter system for improving the resolution of a visual display system
01/25/1983CA1140233A2 Bi-directional cata data transmission and control system
01/25/1983CA1140232A2 Bi-directional cata data transmission and control system
01/20/1983WO1983000269A1 Colour television system
01/19/1983EP0070154A2 Colour television systems
01/18/1983US4369464 Digital video signal encoding and decoding system
01/18/1983US4369463 Gray scale image data compression with code words a function of image history
01/18/1983US4369462 Coding system for pay television
01/18/1983US4368978 Image scanning system
01/18/1983CA1139887A1 Device for dividing a recurrent input signal by a non-integer divisor f, notably by f=n-1/2
01/12/1983EP0069325A2 Method of converting the number of lines
01/11/1983US4368487 Method and apparatus for mitigation of degradations caused by spatio-temporal filtering of video signals
01/11/1983US4368486 Television system using a marking code superimposed on the picture
01/11/1983US4368354 Discriminator apparatus for detecting the presence of a signal by using a differential beat signal having an inaudible frequency
01/11/1983CA1139425A1 Object inspection system
01/04/1983US4367557 Wired broadcasting systems
01/04/1983US4367548 Subscriber station for providing multiple services to a subscriber
01/04/1983US4367488 Data encoding for television
01/04/1983US4367487 Apparatus for taking measurements for the evaluation of video camera images for tape edge regulation
01/04/1983US4367485 Two-way microwave television system
01/04/1983CA1138987A1 Interactive video game and control therefor
01/04/1983CA1138952A1 Data communications system
12/1982
12/22/1982EP0067538A1 Method and apparatus for providing a video display of concatenated lines and filled polygons
12/22/1982EP0067316A2 Digital scan converter for video signals
12/22/1982EP0067193A1 Teledistribution system.
12/21/1982US4365273 Picture data compressing method
12/21/1982US4365269 X-Ray diagnostic installation comprising a solid state image converter
12/21/1982US4365267 Passive data monitor for use with polling pattern generator in CATV system
12/21/1982US4365249 Line monitoring device in two-way data communication system
12/21/1982CA1138070A1 Bi-directional catv data transmission and control system
12/15/1982EP0066981A1 Pictorial information processing technique
12/15/1982EP0066848A2 Television signal recording apparatus
12/15/1982EP0066805A2 Subtraction fluoroscopy method and apparatus
12/15/1982EP0066697A1 A method and system for compressing grey scale image data
12/14/1982US4364090 Method for a compatible increase in resolution in television systems
12/14/1982US4364088 Apparatus for inspecting whether an object is good or bad
12/14/1982US4364042 Data-transmission and data-processing system
12/08/1982EP0066487A1 Data transmission system and transmitting and receiving equipment used in such a system
12/08/1982EP0066126A1 Real time digital scan converter
12/07/1982US4363104 Imaging system having multiple image copying and hierarchical busing
12/07/1982US4363103 Device for following and estimating the local state of picture contours
12/07/1982CA1137216A2 Method and apparatus for video signal encoding with motion compensation
12/07/1982CA1137215A1 Method and system for subscription television billing and access
12/07/1982CA1137214A1 Stv subscriber address system
12/01/1982EP0065515A1 Stable vortex generating device.
11/1982
11/30/1982US4361903 Data transmission process in a CATV system
11/30/1982US4361851 System for remote monitoring and data transmission over non-dedicated telephone lines
11/30/1982US4361848 System for digitally transmitting and displaying data on television receiver screen
11/30/1982US4361730 Security terminal for use with two-way interactive cable system
11/25/1982WO1982004170A1 Information distribution system
11/25/1982WO1982004147A1 Method and apparatus for providing a video display of concatenated lines and filled polygons
11/25/1982WO1982004146A1 Pictorial information processing technique
11/23/1982US4360828 Hotel/motel power load control and bilateral signalling apparatus
11/23/1982US4360827 Method and means for interactive audio and video conferencing
11/23/1982US4360731 X-Ray diagnostic installation
11/23/1982CA1136265A1 Luminance circuit for color television camera
11/23/1982CA1136227A1 Coaxial cable switching circuit
11/16/1982US4359759 Bias lighting in a radiographic apparatus and method
11/16/1982CA1135795A1 Encoding of information
11/09/1982US4358790 Electrical data pulse slicing
11/09/1982US4358789 Digital scan converter for image scanning and display system
11/09/1982US4358788 Legibility for alpha-mosaic characters
11/09/1982US4358787 Digital process for controlling the correct reproduction of a composite television signal and a device for implementing said process
11/03/1982EP0063990A1 Method for image transmission with reduced data rate; transmission system for executing this method
11/03/1982EP0063865A1 Digital scan converter with randomized decay function
11/03/1982EP0063828A2 Testing method for workpieces
11/03/1982EP0063639A2 Digital wide-band communication system
11/02/1982US4357626 System for broadcasting audio-visual television signals synchronized by a pilot frequency and method for the application of said system
10/1982
10/27/1982EP0063252A1 Stereofluoroscopic apparatus
10/26/1982US4356507 Method and apparatus for digital television error correction without overhead bits
10/26/1982CA1134461A1 Waveform correction circuit
10/19/1982US4355331 X-ray image subtracting system
10/19/1982US4355330 X-ray television system
10/19/1982US4355329 Remote station
10/19/1982US4355328 360 Degree closed circuit television system
10/19/1982CA1134023A1 Process for the transmission of an audio-frequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process
10/12/1982US4354201 Television system with access control
10/12/1982US4354188 Device for dividing a recurrent input signal by a non-integer divisor f, notably by f=N-1/2
10/07/1982EP0052122A4 Image analysis system.
10/06/1982EP0061676A2 Device for displaying videotext pages, or videotext pages and viewdata pages
10/05/1982US4353129 Digital data transmission system
10/05/1982US4353088 Coding and decoding system for video and audio signals
10/05/1982CA1133115A1 Video clamp and inverter circuit
09/1982
09/30/1982WO1982003290A1 Decoder for digital information in a t.v. signal
09/29/1982EP0061288A2 Digital television signal processing
09/29/1982EP0061122A2 Wired program distribution system tamper detector
09/28/1982US4352127 Method and apparatus for analyzing streak image of light pulse formed on electro-optical streaking image tube
09/28/1982US4352011 Subscription card for a videotex receiver
09/22/1982EP0060318A1 Broadband switching system
09/22/1982EP0060299A1 Multiple signal transmission method and system, particularly for television.
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