Patents for H04N 7 - Television systems (274,023)
12/1993
12/08/1993EP0572471A1 Apparatus and method for the compression of image data
12/08/1993CN2149075Y Multi-function inserter for wire TV
12/08/1993CN1079352A Video signal compensation apparatus for television receiver
12/08/1993CN1079350A 视频图象处理 Video image processing
12/07/1993US5268961 Error control apparatus for a digital video signal processing system
12/07/1993US5268756 For converting a first video signal
12/07/1993US5268755 Orthogonal transformation encoder
12/07/1993US5268751 Auxiliary signal to assist conversion of a letterbox standard aspect ratio television signal to a wide aspect ratio signal
12/07/1993US5268734 Remote tracking system for moving picture cameras and method
12/07/1993US5268712 Apparatus and method for search tuning of satellite television sound carriers
12/07/1993CA1325064C System and method for hierarchal image encoding and decoding
12/07/1993CA1325055C Dual channel video signal transmission system
12/06/1993CA2097743A1 Audio-video system
12/02/1993DE4234628C1 Binary to duo-binary code converter for television digital audio signal - uses digital circuits comprising inverters and logic gates to provide three output logic conditions
12/02/1993DE4217649A1 Communication system for hospital or nursing home
12/02/1993DE4216817A1 Optical coupling circuit for video signal transmission lines - extracts DC level of floor of sync. pulse for integration over several samples in order to adjust feedback clamp
12/01/1993EP0572277A1 Image communication apparatus
12/01/1993EP0572263A2 Variable length code decoder for video decompression operations
12/01/1993EP0572262A2 Decoder for compressed video signals
12/01/1993EP0572257A1 Image storing and reproducing system
12/01/1993EP0572090A2 System and method for automatically correlating user preferences with a TV program information database
12/01/1993EP0572046A1 Decoding system for decoding video signals
12/01/1993EP0571992A2 Ultrasonic transducer assembly
12/01/1993EP0571761A2 Video apparatus for processing supplementary signals, which are transmitted during the blanking interials of TV-signals
12/01/1993EP0571753A2 Video recorder
12/01/1993EP0571362A1 High definition b-mac television signal transmission system
12/01/1993EP0533738A4 Asymmetric picture compression
12/01/1993EP0532682A4 Synchronizing side by side pictures
12/01/1993CN2148446Y Cable transmission device for antenna far away from TV set
12/01/1993CN1079095A Digit television broadcasting, playing and recording system
12/01/1993CN1079094A Video Image Motion Measurement
11/1993
11/30/1993US5267334 Encoding/decoding moving images with forward and backward keyframes for forward and reverse display
11/30/1993US5267331 Digitally enhanced imager for the visually impaired
11/30/1993US5267312 Audio signal cryptographic system
11/30/1993US5267153 Method and apparatus for storing image signals
11/30/1993US5267051 High speed compression of imagery data
11/30/1993US5267039 Method and apparatus for processing, recording and retrieving a plurality of coded video signals
11/30/1993US5267037 Interframe-coded output data amount control system
11/30/1993US5267036 Video coder/decoder with shift prevision for correctly decoded signal blocks
11/30/1993US5267035 Motion detection for video including that obtained from film
11/30/1993US5267033 Hollow body inspection system, hollow body inspection apparatus and signal transmission apparatus
11/30/1993US5267032 Device for detecting termination of connection to a programme to be paid for, received by a subscriber unit via an interactive remote distribution network
11/30/1993US5267022 Video signal processing apparatus for videotape recorder/reproducer capable of effecting vertical (and horizontal) emphasis and deemphasis on chrominance signals
11/30/1993US5267021 Multiresolution digital television broadcast system
11/30/1993CA2014936C Efficient encoding/decoding in the decomposition and recomposition of a high resolution image
11/30/1993CA2014548C Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replica
11/30/1993CA1324815C Display for radio receiver having station format selection capability
11/29/1993CA2096585A1 Decoder for compressed video signals
11/29/1993CA2096584A1 Variable length code decoder for video decompression operations
11/25/1993WO1993023958A1 Restricted information distribution system apparatus and methods
11/25/1993WO1993023957A1 Apparatus and methods for automatic control and monitoring of the operation of consumer electronic products
11/25/1993WO1993023956A1 Method for image compression coding in an image transmission system
11/25/1993WO1993023955A1 Electronic redeemable coupon system
11/25/1993WO1993023954A1 Method of and apparatus for transfer of film to video
11/25/1993WO1993023936A1 Communication system providing data and television signals to pc work stations
11/25/1993WO1993023823A1 Method for fusing images and apparatus therefor
11/25/1993WO1993023816A1 System and method for cross correlation with application to video motion vector estimation
11/25/1993CA2257657A1 Restricted information distribution system apparatus and methods
11/25/1993CA2136215A1 Method for image compression coding in an image transmission system
11/24/1993EP0571268A1 System for the conversion of an infrared image in a visible or near infrared image
11/24/1993EP0571180A2 Digital data conversion equipment
11/24/1993EP0571171A2 Video data encoding and decoding method and apparatus
11/24/1993EP0571119A1 Video services
11/24/1993EP0571005A2 Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
11/24/1993EP0570862A2 Digital signal processing circuit
11/24/1993EP0570818A2 Apparatus for and method of transmitting video signal
11/24/1993EP0570785A1 Method and apparatus for device control by data transmission in TV lines
11/24/1993EP0570781A2 Procedure and means for attenuating noise from a HD-MAC signal
11/24/1993EP0570494A1 Visual communication device
11/24/1993EP0540548A4 Vertical zoom and panning for television
11/24/1993EP0533748A4 Field synchronization system maintaining interlace integrity
11/24/1993EP0532676A4 Aspect ratio control for picture overlays
11/24/1993EP0532665A4 Luminance processing system
11/24/1993EP0532653A4 Field synchronization system with write/read pointer control
11/24/1993EP0532615A4 Picture overlay system for television
11/24/1993EP0532583A4 Automatic letterbox detection
11/24/1993CN2147700Y Cable TV changing device
11/24/1993CN1078841A Method and apparatus for image data compression using combined luminance/chrominance coding
11/24/1993CN1078839A Synchronous signal generator
11/23/1993US5265180 Method of encoding a sequence of images of a digital motion video signal
11/23/1993US5265161 Process and device for activating a chip card
11/23/1993US5265160 Interdiction method and apparatus with pulsed mode jamming
11/23/1993US5265041 Bidimensional air filter
11/23/1993US5264937 Apparatus for time division multiplexed processing of frequency division multiplexed signals
11/23/1993US5264932 Video processing system having a filter circuit with a spatial-frequency high-pass filter characteristic
11/23/1993US5264929 Video switcher
11/23/1993US5264847 Data decoder
11/23/1993CA1324672C Variable rate coder
11/23/1993CA1324658C Information editing apparatus
11/23/1993CA1324655C Channel display circuit for distinguishing the existence or nonexistence of the signal at a sattelite-broadcast receiver
11/23/1993CA1324652C Method and apparatus for jamming cable television channels
11/18/1993EP0570198A2 Video distribution for aircraft entertainment
11/18/1993EP0570143A2 Method and apparatus for interfacing a serial data signal
11/18/1993EP0570127A2 A motion estimating device for producing variable length coded motion vector
11/18/1993EP0570092A1 Apparatus and method for processing image data
11/18/1993EP0569976A2 Video signal converting apparatus with reduced processing for aliasing interference
11/18/1993EP0569589A1 Apparatus and method for determining or setting adequate illuminating and photographing condition, etc., in picture processing system; and apparatus and method for aiding the determination or setting
11/18/1993EP0569466A1 Television system for displaying multiple views of a remote location
11/18/1993EP0569432A1 Method and apparatus for decoding video signals.
11/18/1993EP0569381A1 Method of correcting the gaze direction for a videophone.