Patents for H04N 7 - Television systems (274,023) |
---|
04/17/1990 | US4918718 Quadrature amplitude modulation with line synchronization pulse for video telephone |
04/17/1990 | US4918524 HDTV Sub-band coding using IIR filter bank |
04/17/1990 | US4918523 Digital video formatting and transmission system and method |
04/17/1990 | US4918522 Method of taking pictures of a quick-moving object by means of video method |
04/17/1990 | US4918517 System and process for video monitoring a welding operation |
04/17/1990 | US4918516 Closed circuit television system having seamless interactive television programming and expandable user participation |
04/17/1990 | US4918515 Compatible television transmission system with separate preemphasis path within single channel |
04/17/1990 | CA1267970A1 Real-time video signal processing device capable of typically executing interframe coding |
04/14/1990 | CA2000709A1 Compatible extended-definition television |
04/12/1990 | DE3933706A1 Verfahren und vorrichtung zum neukalibrieren der farbsalven eines farbfernseh-videosignals Method and device for recalibrate the color salvos of a color television video signal |
04/12/1990 | DE3933488A1 Transmission system for video telephone |
04/12/1990 | DE3932696A1 Video recorder code reading circuit for preprogramming - includes demodulation stage, compares stored and transmitted code data, also displays title |
04/12/1990 | DE3834024A1 System for transmitting colour television signals |
04/11/1990 | EP0363081A2 Impulse pay per view programming distribution control system |
04/11/1990 | EP0362940A2 Teletext decoders |
04/11/1990 | EP0362737A1 Apparatus and method for converting pictures in video signals |
04/11/1990 | EP0362610A2 Videophone system |
04/11/1990 | EP0362427A1 X-ray diagnostic apparatus with a detector for the average image brightness |
04/11/1990 | EP0194289B1 Information display scheme for subscribers of a subscription television system |
04/11/1990 | CN1041254A Transmission system |
04/11/1990 | CA2000294A1 Method and apparatus for improving vertical definition of a television signal by scan conversion |
04/11/1990 | CA2000292A1 High definition b-mac television signal transmission system |
04/10/1990 | US4916737 Secure anti-piracy encoded television system and method |
04/10/1990 | US4916736 Method and apparatus for encrypting and decrypting time domain signals |
04/10/1990 | US4916640 Video image processing system |
04/10/1990 | US4916544 Method and device for compression by the conditional encoding of digital image signals without loss of data |
04/10/1990 | US4916539 Communications system having receivers which can be addressed in selected classes |
04/10/1990 | US4916538 Apparatus and methods for enhancing a video display |
04/10/1990 | US4916537 Image information signal transmitting system |
04/10/1990 | US4916533 Endoscope insertion direction detecting method |
04/10/1990 | US4916532 Television local wireless transmission and control |
04/10/1990 | US4916525 High definition TV system |
04/10/1990 | CA1267721A1 Apparatus for an efficient coding of television signals |
04/05/1990 | WO1990003706A1 Television programme distribution system |
04/05/1990 | WO1990003705A1 Video signal processing and video stores |
04/05/1990 | WO1990003704A1 Slow motion video signal generation |
04/05/1990 | WO1990003619A1 Method and device for estimation of motion in animated image sequences |
04/05/1990 | DE3833670A1 Bildtelefonanlage Videophone system |
04/05/1990 | DE3833367A1 Processor for real-time transformation coding of video signals |
04/04/1990 | EP0361947A2 Synchronous sampling system |
04/04/1990 | EP0361761A2 Digital video encoder |
04/04/1990 | EP0361747A2 A sampled data phase locking system |
04/04/1990 | EP0361565A2 High-definition television with frequency multiplexing |
04/04/1990 | EP0361564A2 High-definition television signal transmission and reception with time and frequency multiplexing |
04/04/1990 | EP0361563A2 High-definition television channel with time and frequency multiplexing |
04/04/1990 | EP0361384A2 Variable rate coder |
04/04/1990 | CN1041076A Widescreen television signal processor system with interpolator for reducing artifacts |
04/03/1990 | US4914745 Method of correcting image errors |
04/03/1990 | US4914695 Method and apparatus for frequency control of multiple oscillators using a single frequency-locked-loop |
04/03/1990 | US4914694 Modifying a television signal to inhibit recording/reproduction |
04/03/1990 | US4914675 Apparatus for efficiently packing data in a buffer |
04/03/1990 | US4914520 Video transfer method using time-spaced interleaved fields |
04/03/1990 | US4914515 Method of transmitting update information for a stationary video picture |
04/03/1990 | US4914513 Multi-vision component alignment system |
04/03/1990 | US4914508 Method and system for compressing and statistically encoding color video data |
04/03/1990 | US4914505 High definition television system |
04/03/1990 | US4914289 Article inspection system for analyzing end and adjacent sides |
03/29/1990 | DE3931411A1 Simultaneous transmission system for digital data and television - uses time compression of colour and brightness components prior to multiplexing |
03/29/1990 | DE3832563A1 Memory arrangement for a narrow-band picture transmission device |
03/29/1990 | DE3831994A1 Antenna system |
03/28/1990 | EP0360778A2 A method and a device for jamming television signals |
03/28/1990 | EP0360698A1 Movement estimation process and device in a moving picture sequence |
03/28/1990 | EP0360670A1 Method for quantizing with a variable threshold with a transform coding for the transmission of picture signals |
03/28/1990 | EP0360615A2 Embedment of data in a video signal |
03/28/1990 | EP0360502A1 Efficient image signal coding system |
03/28/1990 | EP0360413A2 Slow motion video signal generation |
03/28/1990 | EP0360155A2 Image transformation method and device |
03/28/1990 | EP0360026A1 Two-way vision device |
03/28/1990 | CN1040898A System for adaptively generating signal in alternate formats as for edtv system |
03/28/1990 | CN1040896A Improvements in interactive video systems |
03/28/1990 | CN1007398B Synchronization recovery in communications system |
03/28/1990 | CN1007395B Switch dividing device for common reception |
03/27/1990 | USRE33189 Security system for SSTV encryption |
03/27/1990 | US4912775 RF converter circuit |
03/27/1990 | US4912760 Off-premises cable television channel interdiction method and apparatus |
03/27/1990 | US4912721 Cable television spread spectrum data transmission apparatus |
03/27/1990 | US4912691 Video stabilizer |
03/27/1990 | US4912668 Mono-dimensional reverse cosine transform computing device |
03/27/1990 | US4912556 Apparatus for compensating contour of television signal |
03/27/1990 | US4912555 Television receiver including a teletext decorder |
03/27/1990 | US4912553 Wideband video system for single power line communications |
03/27/1990 | US4912549 Video signal synchronization system as for an extended definition widescreen television signal processing system |
03/27/1990 | US4911543 Microscope viewing apparatus for viewing a specimen image and an optical overlay pattern image in a comparison manner |
03/27/1990 | CA1267218A1 Video encryption system |
03/22/1990 | WO1990003085A1 Synchronization system for an extended definition widescreen television signal |
03/22/1990 | WO1990003084A1 Widescreen television signal processor system with interpolator for reducing artifacts |
03/22/1990 | WO1990003082A1 Transmission system |
03/22/1990 | WO1990002937A1 Inspection of container finish |
03/22/1990 | DE3831054A1 Method for the digital coding of information of one, two or more channels and/or reducing the frequency of the alternating coding current or currents and transmission thereof |
03/21/1990 | EP0359729A2 Encryption with subsequent source coding |
03/21/1990 | EP0359660A1 Optical control of micro piercings in turbine blades |
03/21/1990 | EP0359334A2 High-definition television system |
03/21/1990 | EP0359325A1 Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words |
03/21/1990 | EP0359312A1 Television standard converting apparatus |
03/21/1990 | EP0359267A2 Method for generating radiation image signals |
03/21/1990 | EP0359094A1 System for transmitting a picture signal with a high temporal and spatial resolution |
03/21/1990 | EP0358911A2 Image recognition audience measurement system |
03/21/1990 | EP0358910A2 Image recognition system and method |
03/21/1990 | EP0358828A2 Scanning equalization radiography |
03/21/1990 | CN1040722A High definition telenision transmission and reception system with improved motion estimator and with reduced data throughput |