Patents for H04N 7 - Television systems (274,023)
11/1988
11/29/1988US4788598 Coding method and apparatus
11/29/1988US4788590 RF converter employing an SAW filter
11/29/1988US4788589 Method and apparatus for transmitting video data
11/29/1988US4788586 Controller for adjusting color hue and saturation of images generated from signals in a non-broadcasting video system
11/29/1988US4788540 Raster scan image data display controller including means for reducing flickering
11/23/1988CN87107425A Two-channel coding of digital signals
11/22/1988US4786985 Method and apparatus for extracting binary signals included in vertical blanking intervals of video signals
11/22/1988US4786967 Interactive video apparatus with audio and video branching
11/22/1988US4786966 Head mounted video display and remote camera system
11/22/1988US4786965 Eletronic endoscope with an imaging device having side bonding pads
11/22/1988CA1245349A1 Sync extraction for a broadcasting system with time multiplexing of digital and analog signals
11/22/1988CA1245341A1 Progressive scan television system
11/22/1988CA1245340A1 Frequency generation for multiplexed analog component color television encoding and decoding
11/22/1988CA1245339A1 Method and system for bit-rate compression of digital data
11/17/1988WO1988009101A1 Video image processing
11/17/1988WO1988008990A1 Method for reading out an image signal stored in a transparent photostimulable phosphor
11/17/1988WO1988008910A1 Computerized clearance system for multistorey car parks and parking lots
11/17/1988EP0291036A2 Video communication system and phase or frequency modulator included therein
11/17/1988EP0290559A1 Video display system.
11/17/1988EP0290548A1 Digital image acquisition system.
11/17/1988DE3726520A1 System for the transmission of video pictures
11/17/1988DE3715081A1 Method for encrypting digital video signals
11/17/1988DE3715080A1 Method for increasing the reliability of encryption of digital video signals
11/15/1988US4785409 System for making standard deviations in quantum noise constant throughout a screen display
11/15/1988US4785356 Apparatus and method of attenuating distortion introduced by a predictive coding image compressor
11/15/1988US4785351 Picture signal converting device
11/15/1988US4785349 Decoding apparatus
11/15/1988US4785348 System for the transmission and reception of high-definition television pictures in narrow-band channels
11/15/1988CA1244934A1 Television signal processing system
11/15/1988CA1244933A1 Television game apparatus
11/09/1988EP0290085A2 System for the transmission of video pictures
11/09/1988EP0290000A2 Improved teletext receiver
11/09/1988EP0289960A1 Image processing system for a coded signal sequence subjected to predictive coding in different manners
11/09/1988EP0289959A2 Reproduction system capable of reproducing a still image by interrupting a sequence of recorded signals
11/08/1988US4783846 Switchable signal source module for use with cable television converter
11/08/1988US4783703 Television flicker preventing circuit with gamma value conversion prior to field-to-frame conversion
11/08/1988US4783699 Apparatus and method for transmitting information by modulated video signal
11/08/1988US4783698 Interpolator for compressed video data
11/02/1988EP0289051A2 Recording system capable of recording a sequence of optimum coded signals on a ROM
11/02/1988EP0289047A2 Bar code generating apparatus for image communication terminal device
11/02/1988EP0288963A2 Image coding and transmitting apparatus
11/02/1988EP0288928A2 Disposition for satellite direct reception of television programmes
11/02/1988EP0288890A2 Telecommunication system with burst and continuous audio signals
11/02/1988EP0288889A2 Telecommunication system with video and audio frames
11/02/1988EP0288872A2 Video signal encoder with DPCM and adaptive prediction
11/02/1988EP0288783A2 Arrangement for the DPCM coding of television signals
11/02/1988EP0288782A2 Arrangement for the DPCM coding of television signals using fast signal processing
11/02/1988EP0288772A2 Interpolation method for a sub-sampling transmission system
11/01/1988USRE32776 Piggy back row grabbing system
11/01/1988US4782401 Editing method and apparatus for commercials during video recording
11/01/1988US4782400 System for encoding or decoding analog video signals
11/01/1988US4782393 Television camera system with a protection function for a misconnection
11/01/1988US4782387 Two-channel coding of digital signals
11/01/1988CA1244090A1 Cryptographic system for direct broadcast satellite network
10/1988
10/26/1988EP0287891A2 Apparatus and method of attenuating distortion introduced by a predictive coding image compressor
10/26/1988EP0287641A1 Modified scan sub sampled high definition television
10/26/1988CN88101992A Interpolator for expanding video data
10/26/1988CN88100873A Synchronization system for a semi-digital signal
10/25/1988US4780761 Digital image compression and transmission system visually weighted transform coefficients
10/25/1988US4780760 DPCM system with interframe motion indicator signal
10/25/1988US4780758 Telecommunication system with burst and continuous audio signals
10/25/1988US4780757 Telecommunication system with frame selected continuous audio signals
10/25/1988US4780708 Display control system
10/25/1988CA1243771A1 Method of coding a video signal whereby pictures can be reproduced with a high quality and a device therefor
10/25/1988CA1243770A1 Predictive coding system for picture signals
10/20/1988WO1988008237A1 Two resolution level dpcm system
10/20/1988WO1988008236A1 Interpolator for expanding video data
10/20/1988EP0223781A4 Method and apparatus for creating encrypted and decrypted television signals.
10/19/1988EP0287174A1 Device for transforming images and system provided with such a device
10/19/1988EP0287172A1 Device for ensuring the television compatibility for opto-mechanical analysis image sensors
10/19/1988EP0287169A1 Field number doubling circuit for a television signal
10/19/1988EP0287168A1 Picture display device including a field number conversion circuit
10/19/1988EP0286669A1 Circuit for delaying a digital signal
10/19/1988EP0286665A1 Device and method for the transmission or storage of information optimising the use of the band-pass.
10/18/1988US4779129 FM simultaneous broadcast system for CATV
10/18/1988CA1243432A1 Apparatus for displaying scrolling image
10/18/1988CA1243397A1 Recombination of low- and high-resolution segments of an extended aspect ratio picture
10/12/1988EP0286483A1 Movement estimation process and device in a moving picture sequence
10/12/1988EP0286192A1 Method and device for estimating the motion in a sequence of pictures
10/12/1988EP0286184A1 One-dimensional linear picture transformer
10/12/1988EP0286183A1 Television transmission system using transform coding
10/12/1988EP0286157A1 High-definition television picture transmission system using a narrow band channel, and transmitter and receiver suitable therefor
10/12/1988EP0285902A2 Method for the data reduction of digital picture sequences
10/11/1988US4777664 For a local optical fibre network
10/11/1988US4777648 Line tilt compensation method and apparatus
10/11/1988US4777620 Data compression system
10/11/1988US4777598 Image processing systems and methods
10/11/1988US4777530 Apparatus for detecting a motion of a picture of a television signal
10/11/1988US4777527 Moving video surveillance system
10/11/1988US4777526 Security monitor system
10/11/1988US4776466 Surface inspection apparatus
10/11/1988CA1243111A1 High resolution television transmission system
10/11/1988CA1243110A1 Method and arrangement for refreshing a frame memory in an interframe encoding system
10/06/1988DE3709750A1 Method and arrangement for management of charges on telephone extensions in hospitals, hotels and the like
10/05/1988EP0285350A2 Television receiver having skew corrected clock
10/05/1988EP0285207A1 High-definition television picture transmission system using a relatively narrow band channel, and transmitter and receiver suitable therefor
10/05/1988EP0284962A2 Method for reducing the image data of digital television signals
10/05/1988EP0284799A2 Apparatus and method for providing digital audio on the sound carrier of a standard television signal
10/05/1988EP0284733A1 X-ray monitor system for the examination of a test object
10/05/1988EP0148235B1 Encrypted broadcast television system