Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
06/1988
06/21/1988US4752827 Method and device for the numerical coding of an image, more particularly a television image
06/21/1988US4752824 Parallax correction apparatus for a head-up display
06/21/1988CA1238411A1 Error concealment in digital television signals
06/21/1988CA1238408A1 Signal processing unit for producing a selected one of signals predictive of original signals
06/21/1988CA1238407A1 Motion-adaptive interpolation method for motion video signal and device implementing the same
06/16/1988WO1988004510A1 Video color detector and chroma key device and method
06/16/1988WO1988004509A1 Cable television impulse pay per view system
06/16/1988WO1988004508A1 Process and circuitry for reducing the data rate of digital pictures
06/16/1988WO1988004507A1 Programming of broadcast receiving devices
06/16/1988WO1988004506A1 Tv program recording system
06/16/1988WO1988004505A1 Video display system
06/15/1988EP0271122A2 System for transmitting high-definition television pictures through narrow band channels, and a transmitter and a receiver suitable therefor
06/15/1988EP0270835A2 Device for programming a video recorder
06/15/1988EP0270630A1 Signal matching signal substitution.
06/15/1988EP0270537A1 Device located at the receiver end for actuation controlled from the transmitter end.
06/15/1988CN87211020U Tv with timing and recording device
06/14/1988US4751742 Priority coding of transform coefficients
06/14/1988US4751732 Broadcasting system
06/14/1988US4751578 System for electronically controllably viewing on a television updateable television programming information
06/14/1988US4751574 Electronic apparatus control system
06/14/1988US4751573 Standard converting apparatus
06/14/1988CA1238103A1 Guidance system
06/09/1988DE3640680A1 Video telephone
06/09/1988DE3640436A1 Remote control for a receiving set of entertainment electronics including teletext reception
06/08/1988EP0270405A1 Method and device for the reduction of noise generated by a digital picture coder/decoder which operates in blocks
06/08/1988EP0270259A2 Improvements relating to video signal processing systems
06/08/1988EP0269961A2 Compatible increase of the definition in a colour television system
06/08/1988EP0269787A2 Method of transmission of facsimile data in a video channel
06/08/1988EP0169273B1 X-ray diagnostic apparatus
06/08/1988EP0046798B1 Method and system for secure transmission and reception of video information particularly for television
06/07/1988US4750216 Video coupler device
06/07/1988US4750172 Method for combining a digital video signal and three digital narrow band signals to form a 139,264 kbit/s signal
06/07/1988US4750057 De-interlacing circuit for simultaneous readout of paired fields
06/07/1988US4750053 Method and system for enabling television commerical monitoring using a marking signal superimposed over an audio signal
06/07/1988US4750036 Interactive television and data transmission system
06/07/1988US4749983 Compression of multilevel signals
06/07/1988CA1237779A1 Transmitter/receiver for signals on the scramble unit
06/02/1988WO1988004095A1 Control system for use with video cassette recorders
06/02/1988WO1988004084A1 Pattern processing
06/02/1988WO1988004082A1 Digital image acquisition system
06/02/1988WO1988002973A3 Process for receiving periodically-repetitive teletexts
06/01/1988EP0269437A2 Restricted access television transmission system
06/01/1988EP0269302A2 Imaging apparatuses and methods
06/01/1988EP0269094A2 Control of rf answer pulses in a tv answer back system
06/01/1988EP0269022A2 Auto-portrait photo studio
06/01/1988EP0134244B1 Resolution enhancement and zoom by degradation estimates
06/01/1988CN87101495A System for transmission of high-definition television pictures in narrowband channels, and transmitter and receiver appropriate to system
05/1988
05/31/1988US4748684 Fast tuning control for a television system
05/31/1988US4748675 Method for controlling image processing device
05/31/1988US4748667 Jamming signal scrambling and descrambling systems for CATV
05/31/1988US4748636 Method and apparatus of transmitting image data in a satellite system
05/31/1988US4748619 Packet demultiplexing of a mac/packet broadcast signal
05/31/1988US4748618 Telecommunications interface
05/31/1988US4748576 Pseudo-random binary sequence generators
05/31/1988US4748511 Teleradiology system
05/31/1988US4748501 Cable converter for television signals with stereo audio signal
05/26/1988DE3638554A1 Method and arrangement for coding digital video signals
05/25/1988EP0268340A2 One channel HDTV transmission system
05/25/1988EP0268270A2 Information editing apparatus
05/24/1988US4747160 Low power multi-function cellular television system
05/24/1988US4747146 System for detecting difference between image on primary sheet and image on secondary sheet
05/24/1988US4747138 Method of scrambling television pictures and arrangement for descrambling the pictures thus scrambled
05/24/1988US4746982 Equipment for through-connecting color television signals
05/24/1988US4746980 Video processing system
05/24/1988US4746978 Image signal quantizing method and apparatus
05/24/1988US4746977 Remotely operated steerable vehicle with improved arrangement for remote steering
05/24/1988US4746975 Electronic endscope apparatus
05/24/1988US4746974 Endoscopic apparatus
05/24/1988US4746921 Broadband signal space switching apparatus
05/24/1988CA1237193A1 Television sound signal processing apparatus
05/18/1988EP0267581A2 Moving image signal coding system
05/18/1988EP0267579A2 Image coding system capable of monitoring an amount of information by forming a histogram
05/18/1988EP0267578A1 Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization
05/18/1988EP0267577A2 Decoding device capable of producing a decoded video signal with a reduced delay
05/18/1988EP0267280A1 Interactive television and data transmission system.
05/18/1988EP0160063B1 A movement detector for use in television signal processing
05/18/1988EP0126148B1 Image processing method using a block overlap transformation procedure
05/17/1988US4745478 RF switch
05/17/1988US4745476 Television sound signal processing apparatus
05/17/1988US4745474 For transmitting a digital television picture signal
05/17/1988US4745473 Hybrid image compression system
05/17/1988US4745468 System for evaluation and recording of responses to broadcast transmissions
05/17/1988US4745460 Method for transmitting a television signal by field to field processing
05/17/1988US4745459 Divisionally time-compressed subsample transmission and motion-compensated reproduction system for a high definition color television picture signal
05/17/1988US4745458 Television signal processing system
05/17/1988US4745409 Broadband signal space switching device
05/17/1988US4745366 Signal processing arrangement
05/17/1988US4744719 Control system of multi-joint arm robot apparatus
05/17/1988CA1236920A1 Method and devide for detecting defects on the surface of a running web
05/17/1988CA1236914A1 Interlaced digital video input/filter/decimator and/or expander/interpolator filter
05/17/1988CA1236885A1 Broadcasting system
05/16/1988EP0181863A4 Tamper-resistant, expandable communications system.
05/11/1988EP0266756A2 Jamming signal scrambling and descrambling systems for catv
05/11/1988EP0266605A2 Cable television channel selector/descrambler for the use with cable-ready video appliances
05/11/1988EP0266507A1 Monitoring device, in particular by using a video camera
05/11/1988DE3638128A1 Hybrid coder
05/11/1988DE3638127A1 Method for reducing the bit rate
05/10/1988US4744080 Apparatus for receiving digital sound/data information
05/10/1988US4743968 Electronic apparatus control system
05/10/1988US4743967 Differential coding apparatus having an optimum predicted value determining circuit
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