Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
11/1989
11/29/1989EP0343732A2 Method and apparatus for introducing a pan and scan feature to high definition television systems
11/29/1989EP0343728A1 Method of and arrangement for motion detection in an interlaced television picture obtained after film-to-television conversion
11/29/1989EP0343636A2 Apparatus for receiving character multiplex broadcasting
11/29/1989EP0343634A2 Video signal mixing device of infrared/visible integrated imaging apparatus
11/29/1989EP0343539A1 Apparatus for defining an effective picture area of a high definition video signal when displayed on a screen with a defferent aspect ratio
11/29/1989CN1037628A Methods and systems for transmitting and receiving high definition television signals
11/29/1989CN1037626A Off-premises cable television channel interdiction method and apparatus
11/29/1989CN1037625A Extended definition widescreen television system using plural signal transmission channels
11/28/1989US4884139 Method of digital sound broadcasting in television channels with spectrum interlacing
11/28/1989US4884138 Video transmission systems
11/28/1989US4884137 Head mounted video display and remote camera system
11/28/1989US4884136 Motion detection circuit
11/28/1989US4884134 Video endoscope apparatus employing device shutter
11/28/1989US4884040 Sampled data phase locking system
11/23/1989EP0342756A1 High definition emitting and receiving television system with a reduced data rate
11/23/1989EP0342755A2 Reverse nyquist slope filter for a transmission system
11/23/1989EP0342728A1 Television receiving apparatus
11/23/1989DE3815839A1 DPCM (differential pulse code modulation) coder for multi-dimensional prediction
11/22/1989CN1037439A Widescreen television signal processing system with center and side panel image resolution uniformity
11/22/1989CN1037438A 电视接收机 TV receiver
11/21/1989US4882747 Infrared communication apparatus for remote site applications
11/21/1989US4882743 Multi-location video conference system
11/21/1989US4882725 Multiplex transmission method and apparatus
11/21/1989US4882625 Improved definition television set with external luminance and chrominance signal inputs
11/21/1989US4882614 Multiplex signal processing apparatus
11/21/1989CA1263187A1 Image encoding and synthesis
11/21/1989CA1263177A1 Narrow bandwidth analog-to-digital conversion
11/21/1989CA1263176A1 Television camera system and method
11/16/1989WO1989011200A1 Imaging assembly and mounting for surveillance viewing under remote control
11/16/1989WO1989011199A1 Automatic censorship of broadcast programmes
11/16/1989DE3841173C1 Compatible television transmission system
11/15/1989EP0341801A2 Video scrambling systems
11/15/1989EP0341780A1 Television transmission system with differential encoding of transform coefficients
11/15/1989EP0341769A1 Image interpolating device with movement estimation and compensation, and television standards conversion system made by the use of such a device
11/15/1989EP0341725A1 Digital video signal processing method and apparatus therefore
11/15/1989EP0341625A2 Method for transmitting digital information
11/15/1989CN1037249A Set-top interface transactions in impulse pay per view television system
11/14/1989US4881253 Mis-detection of a video switchover key signal
11/14/1989US4881192 One-dimensional linear picture transformer
11/14/1989US4881135 Concealed audio-video apparatus for recording conferences and meetings
11/14/1989US4881125 Progressive scan display of video derived from film
11/14/1989US4881067 Image forming apparatus and method
11/14/1989CA1262960A1 Method and apparatus for displaying a single parameter image
11/08/1989EP0340854A1 Television transmission system including a hybrid encoding circuit
11/08/1989EP0340853A1 Television transmission system using transmission of basic picture weighting factors
11/08/1989EP0340843A1 System for transmitting pictures using a transmission channel with a relatively narrow bandwidth
11/08/1989EP0340460A2 Transmitter and receiver for television signals
11/08/1989CN1037060A Rapid access teletext decoder arrangement
11/07/1989US4879729 Apparatus for the decoding coded frequency modulated signals
11/07/1989US4879711 Satellite communications system employing frequency reuse
11/07/1989US4879611 Record mode setting apparatus responsive to transmitted code containing time-start information
11/07/1989US4879599 Method of sub-sampling interpolation
11/02/1989WO1989010674A1 Video telecommunication system and method for compressing and decompressing digital color video data
11/02/1989WO1989010673A1 Method and system for compressing and decompressing digital color video statistically encoded data
11/02/1989WO1989010672A1 Processes for transmitting video signals, video cameras for said transmission and applications for said cameras
11/02/1989WO1989010670A1 Dynamic callback technique
11/02/1989WO1989010665A1 A method and apparatus for improving video scrambling and employing split sync pulses
11/02/1989WO1989010664A1 In-band controller
11/02/1989WO1989010663A1 Cable televison spread spectrum data transmission apparatus
11/02/1989WO1989010600A1 Device for interpolating images by estimation and compensation of movement, and system for converting television standards based on said device
11/02/1989EP0340131A1 Methods for transmitting video signals, video cameras for this transmission and applications of these cameras
11/02/1989EP0339948A2 Compressing and decompressing digital color video statistically encoded data
11/02/1989EP0339727A2 Circuit arrangement for producing a binary signal
11/02/1989EP0339675A2 Television receiver and method of displaying video information
11/02/1989EP0339589A2 Orthogonal transform coding system for image data
11/02/1989EP0339038A1 Error-correction of stored television signals.
11/02/1989EP0162116B1 Television receiver
10/1989
10/31/1989US4878245 Control and metering system for pay television over a cable network
10/31/1989US4878125 Method and apparatus for image processing with fed-back error correction
10/31/1989US4878112 Electronic type endoscope apparatus for use in NTSC/PAL systems
10/31/1989CA1262572A1 Satellite receiver
10/26/1989DE3812665A1 Method for transmitting video signals
10/25/1989EP0338899A1 Method for coding and decoding blocks of data and apparatus for carrying out said coding and decoding method
10/25/1989EP0338866A2 Method for downloading a scrambled television signal and receiver therefor
10/25/1989EP0338851A2 Image processing system
10/25/1989EP0338594A2 Television signal descrambling device
10/25/1989EP0338009A1 Improvements in and relating to the recording and editing of moving television pictures.
10/25/1989EP0254743A4 Pay-per-view catv system.
10/24/1989US4876739 TVRO receiver system with low-cost video-noise reduction filter
10/24/1989US4876718 Secure data packet transmission system and method
10/24/1989US4876703 Apparatus for compressing and/or expanding time base
10/24/1989US4876698 System for transmitting sequences of digital samples encoded by variable-length binary words
10/24/1989US4876597 Video observation systems
10/24/1989US4876596 Film-to-video converter with scan line doubling
10/24/1989US4876595 Device for reproducing digitized video pictures using an improved restoration method
10/24/1989US4876592 System for merchandising and the evaluation of responses to broadcast transmissions
10/24/1989CA1262490A1 Raster distortion correction circuit
10/19/1989WO1989010043A1 Modifying a television signal to inhibit recording/reproduction
10/19/1989WO1989010042A1 Method for coding and decoding information, by frames, and coding and decoding devices for implementing such method
10/19/1989WO1989010041A1 Method and systems for transmitting and receiving high definition television signals
10/19/1989WO1989010040A1 High definition television image coding device and transmission system
10/19/1989WO1989010039A1 High definition television image decoding device and transmission system
10/19/1989WO1989009918A1 Inspection apparatus for hot furnace
10/19/1989DE3908086C1 Method for compressing and decompressing digital data and device for carrying out the method
10/18/1989EP0337565A1 Device for coding signals representative of a sequence of pictures and system for transmission of high definition television pictures including such a device
10/18/1989EP0337564A1 Device for decoding signals representative of a sequence of pictures and system for transmission of high definition television pictures including such a device
10/18/1989EP0337563A1 System for the transmission of video signals with adaptive code word allocation, and also a transmitter and a receiver suitable for the system
10/18/1989EP0337496A2 Apparatus for demodulating subnyquist sampled video signal and demodulating method therefor
10/18/1989EP0337336A2 Applications for information transmitted in the vertical retrace interval of a television signal
10/18/1989CN1036491A Processing sub-sampled signals
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