Patents for H04N 7 - Television systems (274,023)
02/1994
02/22/1994CA2050102C Adaptive buffer/quantizer control for transform video coders
02/22/1994CA1327238C Catv network with filters
02/18/1994EP0614593A4 System for broadband descrambling of sync suppressed television signals.
02/17/1994WO1994004000A1 Digitally assisted motion compensated deinterlacing for enhanced definition television
02/17/1994WO1994003999A1 Method of showing 16:9 pictures on 4:3 displays
02/17/1994WO1994003995A1 Video distribution network
02/17/1994WO1994003963A1 Polarity reversing dc power supply for remotely located equipment
02/17/1994WO1994003894A1 Broadband services delivery system
02/17/1994WO1994003871A1 Method and apparatus for splitting region by texture analysis
02/17/1994DE4226854A1 Manipulator for remote inspection of difficult to access areas - using a remote inspection system mounted on the free end of a self-supporting wind out chain
02/17/1994DE4226775A1 Developing driving ability by using travel simulator - using graphic computer screen with software generating street scene and operating elements providing signal values controlling movement of identified vehicle
02/17/1994CA2140746A1 Digitally assisted motion compensated deinterlacing for enhanced definition television
02/16/1994EP0583202A1 Methods for broadcasting and receiving of conditional access programs with reduced program switching times
02/16/1994EP0583196A1 Transaction processing system utilizing teletext broadcasting system and terminal used in the transaction processing system
02/16/1994EP0583107A2 Image processing method and apparatus
02/16/1994EP0583094A2 ISDN-based system for making a video call
02/16/1994EP0583061A2 Method and apparatus for providing enhanced graphics in a virtual world
02/16/1994EP0583040A2 Letterbox television system
02/16/1994EP0582819A2 Digital image signal processing apparatus
02/16/1994EP0582583A1 Video recorder for the recording of video signals transmitted by the letterbox process.
02/16/1994CN1082297A Reset control network for a video signal encoder
02/15/1994US5287539 Interdiction program denial system for jamming audio and video signals
02/15/1994US5287420 Method for image compression on a personal computer
02/15/1994US5287409 Method and apparatus for frustrating vertical interval detection in scrambled television signals
02/15/1994US5287351 Method and apparatus for minimizing error propagation in correlative digital and communication system
02/15/1994US5287200 Block adaptive linear predictive coding with multi-dimensional adaptive gain and bias
02/15/1994US5287189 Displaying an interlaced video signal with a noninterlaced video signal
02/15/1994US5287185 Method of correcting transmission error in digital color-television communication system and digital color-television communication system to work said method
02/15/1994US5287184 Television receiver for microwave reception with provisions for reducing interference
02/15/1994US5287182 Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks
02/15/1994US5287181 Electronic redeemable coupon system and television
02/15/1994US5287180 Modulator/demodulater for compatible high definition television system
02/15/1994US5287179 Image display system
02/15/1994US5287178 Reset control network for a video signal encoder
02/15/1994US5287176 Automatic contrast and brightness control for thermal image apparatus integrated into an aircraft
02/15/1994US5287042 Display aspect ratio adaptation
02/15/1994US5286835 Preparation of vinyl ether terminated polyesters
02/15/1994US5286285 Flame retardant filler for plastic materials; low content of water soluble impurities and heavy metals
02/15/1994US5286202 Trainer using video photographs and overlays for reconfigurable hardware simulation
02/15/1994US5285786 Apparatus and method for radiographic diagnosis
02/15/1994CA2016523C Moving image signal encoding apparatus and decoding apparatus
02/15/1994CA1327073C Method and apparatus for improving video scrambling and employing split sync pulses
02/14/1994CA2103935A1 Process for the transmission and reception of conditional access programmes with a reduced programme switching time
02/10/1994DE4229768A1 International direct subscriber dialling television system - allows one way and two way communication between subscribers and all system signal sources
02/10/1994DE4225915A1 Decoder system for subscription TV signals - uses system based on TV signal audio coding only, actuating receiver side release
02/09/1994EP0582257A2 Method and device for transmitting shift signal information
02/09/1994EP0582236A1 Vehicle crash predictive and evasive operation system by neural networks
02/09/1994EP0582122A1 Scramble apparatus and descramble apparatus
02/09/1994EP0582023A1 Television equipment
02/09/1994EP0581994A1 Improved teletext receiver with memory update
02/09/1994EP0581903A1 Broadcast verification system
02/09/1994EP0581808A1 Process for compatible transmission, decoding or recording of progressively scanned picture signals in interlace format
02/09/1994EP0230473B1 Monitoring device applying noctovision for a doorphone system
02/09/1994EP0221930B1 Restoring framing in a communications system
02/09/1994CN1081807A Coding/decoding method and apparatus in which trails of block dividing are restrained
02/09/1994CN1081806A Combination surge and diplex filter for catv distribution systems
02/09/1994CN1081805A Auxiliary video information system including extended data services
02/08/1994US5285470 Methods of noise-reduced and bandwidth-reduced television transmission
02/08/1994US5285438 Motionless parallel readout head for an optical disk recorded with arrayed one-dimensional holograms
02/08/1994US5285402 Multiplyless discrete cosine transform
02/08/1994US5285282 Vertical zoom and panning for television
02/08/1994US5285281 Image processing apparatus for compressing image data at a selected compression rate
02/08/1994US5285278 Electronic redeemable coupon system via television
02/08/1994US5285276 Bi-rate high definition television signal transmission system
02/08/1994US5285275 Decoding method of picture image data and decoding circuit therefore
02/08/1994US5285272 Video store and forward on demand apparatus and method
02/08/1994US5285263 Sample rate converter for digital video signals having reduced phase error and sync point coincidence
02/08/1994CA1326899C Highly efficient coding apparatus
02/03/1994WO1994003014A1 Low power video security monitoring system
02/03/1994WO1994003013A1 Image processing system
02/03/1994EP0587764A4 Video surveillance system.
02/03/1994DE4322995A1 Decoding system for variable length codes based upon look=up table - provides access by reduced address generated by data-bank selector and bit selector circuits
02/03/1994CA2140893A1 Image processing system
02/03/1994CA2139941A1 Low power video security monitoring system
02/02/1994EP0581714A2 Digital image processor for color image compression
02/02/1994EP0581601A1 Video recording and/or reproducing system
02/02/1994EP0581593A1 Image communication apparatus and method therefor
02/02/1994EP0581375A1 Method for modifying pseudorandom sequences and apparatus for scrambling or descrambling information
02/02/1994EP0581317A2 Method and system for digital image signatures
02/02/1994EP0581221A1 Display and image capture apparatus
02/02/1994EP0581101A1 Audio/video communications processor
02/02/1994EP0580828A1 A line monitoring system
02/02/1994EP0580638A1 Process for compatible transmission of a signal-type additional information
02/02/1994EP0323457B1 Motion detector apparatus for responding to edge information contained in a television signal
02/01/1994US5283831 Method of synchronizing the pseudo-random binary sequence in a descrambler
02/01/1994US5283819 Computing and multimedia entertainment system
02/01/1994US5283789 Communication system providing data and television signals to PC work stations
02/01/1994US5283734 System for conducting a forgery-resistant game
02/01/1994US5283678 Metallic access in a fiber remote terminal
02/01/1994US5283659 Apparatus and method of high vision signal recording using expansion techniques and digital drop-out compensation
02/01/1994US5283656 Data compression apparatus for video signal and method of data compression for video signal
02/01/1994US5283651 Method for magnifying and reducing an image
02/01/1994US5283648 Teletext receiver for automatically controlling displaying time interval
02/01/1994US5283647 Compatible digital processing unit for teletext and control method thereof
02/01/1994US5283646 Quantizer control method and apparatus
02/01/1994US5283645 Method and apparatus for detecting dissolve regions in digital video sequences
02/01/1994US5283644 Crime prevention monitor system
02/01/1994US5283642 For measuring depth profiles of a surface
02/01/1994US5283639 Multiple media delivery network method and apparatus
02/01/1994US5283638 Multimedia computing and telecommunications workstation