Patents for H04N 7 - Television systems (274,023)
03/1994
03/15/1994US5294981 Television video synchronization signal monitoring system and method for cable television system
03/15/1994US5294977 Television signal detection apparatus
03/15/1994US5294974 High-definition video encoding system having color-sensitive quantization
03/15/1994CA1327847C Method and apparatus for the simultaneous display of at least two temporarily sequential events on television
03/10/1994DE4330040A1 Image data recording system with image data compression - incorporates error connection coding and decoding handling data compressed via two different compression modes
03/10/1994DE4329693A1 Satellite transmission receiver with microstrip input stage - has alternate circuit configurations for different types of tuner on same circuit board.
03/10/1994DE4328462A1 X=ray video camera appts. for medical use - uses camera tube with grey-scale image intensification provided by avalanche multiplication
03/10/1994DE4327117A1 Satellite antenna signal distributor - uses series circuit of stripline directional couplers supplying respective subscribers
03/10/1994DE4321786A1 Imaging system for diagnostic examination of internal organs - has two probes with respective image reception devices coupled via adaptors to common signal processing stage
03/10/1994DE4229738A1 Video telephone appts. with adjustable viewing mirror - coupled to electrically operated setting mechanism for adjusting height and angle of inclination
03/10/1994DE4229394A1 Adaptive quantisation method for colour-images - performing separate quantisation of brightness and colour components of input image values for each image element
03/10/1994DE4228629A1 Night time video monitoring system - uses pulsed IR spotlight to illuminate object and processes obtained camera image
03/09/1994EP0586262A1 Television signal processor
03/09/1994EP0586225A2 Orthogonal transform coding apparatus and decoding apparatus
03/09/1994EP0586198A1 Parallax-free camera and display
03/09/1994EP0586074A2 Image processing apparatus suitable for multistage compression
03/09/1994EP0586010A1 High frequency circuit device and method for making the same
03/09/1994EP0585833A1 Video signal decoder system
03/09/1994EP0585805A1 Video and audio signal transmission apparatus for integrated services communication network
03/09/1994EP0585573A2 System and method for suppressing blocking artifacts in decoded transform coded images
03/09/1994EP0585490A1 Transmission and reproduction of television pictures with an image format differing from the television standard through the addition of an optical corrector on the receiver side
03/09/1994EP0377725B1 A method and apparatus for manipulating video image signals
03/08/1994US5293633 Apparatus and method for providing digital audio in the cable television band
03/08/1994US5293580 Multi-dimensional image signal compression and decompression system that guarantees high efficiency even when different compression and decompression systems are used on transmitting side and receiving side for image information signals
03/08/1994US5293434 Technique for use in a transform coder for imparting robustness to compressed image data through use of global block transformations
03/08/1994US5293324 Method and apparatus for inspecting solder portions using fuzzy inference
03/08/1994US5293255 Method and system for extracting a specific image
03/08/1994US5293252 Method of compressing digital image data and device thereof
03/08/1994US5293248 System and apparatus for recording and reproducing and extended definition video signal in/from a track on a magnetic carrier
03/08/1994US5293243 Image splitter for security cameras
03/08/1994US5293230 Pyramidal encoder for encoding error images
03/08/1994US5293229 Apparatus and method for processing groups of fields in a video data compression system
03/08/1994US5293220 Method for inspecting stripped condition of electric wire
03/08/1994US5293178 Display screen inspecting apparatus
03/08/1994CA1327637C Pulsed-array video inspection lighting system
03/03/1994WO1994005119A1 Device for remote testing and maintenance of cable networks
03/03/1994WO1994005118A1 Derivation of studio camera position and motion from the camera image
03/03/1994WO1994005117A1 A participatory television system
03/03/1994WO1994004983A1 Part machining programming using a camera interchangeable with machining nozzle
03/03/1994WO1994004594A1 Preparation of vinyl ether terminated polyesters
03/03/1994WO1994004068A1 Video camera for observing objects in the mouth of a patient
03/03/1994DE4228794A1 Vehicle blind spot monitoring device - uses detection element and evaluation device for operating signalling device indicating presence of vehicle within blind spot zone
03/02/1994EP0585051A2 Image processing method and apparatus
03/02/1994EP0585050A2 Multi-mode frequency synthesiser with reduced jitter
03/02/1994EP0585034A2 Teletext decoders
03/02/1994EP0585033A1 Automatic surveillance camera equipment and alarm system
03/02/1994EP0584991A2 Apparatus and method for recording digital data
03/02/1994EP0584939A2 Video telephony dialing
03/02/1994EP0584938A2 Bidirectional video telephony
03/02/1994EP0584847A1 Method for digitally coding a composite signal and system therefor
03/02/1994EP0584840A2 Apparatus for adaptive interframe predictive decoding of a video signal
03/02/1994EP0584741A2 Image signal encoding device
03/02/1994EP0584693A2 Displaying an interlaced video signal with a noninterlaced video signal
03/02/1994EP0345326B1 Data transmission in active picture period
03/02/1994CN1083297A Television system for transmitting pictures in a digital form
03/01/1994US5291554 Shared-price custom video rentals via interactive TV
03/01/1994US5291524 Viterbi decoding apparatus
03/01/1994US5291486 Data multiplexing apparatus and multiplexed data demultiplexing apparatus
03/01/1994US5291429 Circuit for matrix calculation of discrete cosine transformation
03/01/1994US5291326 Optical signal transmission system, particularly optical cable television system, with monitoring and service-channel facilities
03/01/1994US5291306 Image reproducing apparatus
03/01/1994US5291300 Motion vector detecting apparatus for detecting motion of image to prevent disturbance thereof
03/01/1994US5291291 ATV television system with reduced co-channel NTSC interference
03/01/1994US5291289 Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
03/01/1994US5291286 Multimedia data transmission system
03/01/1994US5291284 Predictive coding and decoding with error drift reduction
03/01/1994US5291283 Decoding apparatus of a compressed digital video signal
03/01/1994US5291282 Image data coding apparatus and method capable of controlling amount of codes
03/01/1994US5291281 Adaptive coding level control for video compression systems
03/01/1994US5291280 Motion detection between even and odd fields within 2:1 interlaced television standard
03/01/1994CA1327394C Edtv system
03/01/1994CA1327393C Presentation player
02/1994
02/27/1994CA2105185A1 Amplifier housing
02/24/1994DE4239351C1 Verfahren zum Empfangen von Teletextdaten A method for receiving teletext data
02/24/1994DE4226990A1 Videokamera zum Betrachten von Objekten im Munde eines Patienten Video camera for observing objects in the mouth of a patient
02/23/1994EP0583890A2 Apparatus for time division multiplexed processing of frequency division multiplexed signals
02/23/1994EP0583869A1 Variable frequency CATV jamming method and apparatus
02/23/1994EP0583843A1 Cable distribution system for television signals and set of elements for building such a system
02/23/1994EP0583830A1 Box for connecting to a distribution system of television signals and distribution system with selecting means
02/23/1994EP0583275A1 Signal quality monitoring system
02/23/1994CN1082801A Data separation processing in a digital television system
02/23/1994CN1082799A Apparatus for time division multiplexed processing of frequency division multiplexed signals
02/22/1994US5289577 Process-pipeline architecture for image/video processing
02/22/1994US5289549 B-adaptive adpcm image data compressor
02/22/1994US5289548 Compression and reconstruction of radiological images
02/22/1994US5289541 Interdiction method and apparatus with constant blanking and variable dwell times
02/22/1994US5289508 Clock information transmitting device and clock information receiving device
02/22/1994US5289305 Progressive scan architecture for video special effects
02/22/1994US5289289 Image data coding apparatus and coding method for dynamic-image data
02/22/1994US5289288 Method and apparatus for encoding a video signal having multi-language capabilities
02/22/1994US5289285 CS broadcast receiving system providing increased tuning accuracy when reciving a CS sound broadcast signal
02/22/1994US5289284 Video processing circuit with line memory control
02/22/1994US5289280 Visual and/or audio information storage and retrieval device
02/22/1994US5289278 Duo-binary and/or binary data slicer
02/22/1994US5289277 High definition television signal format converter
02/22/1994US5289276 Method and apparatus for conveying compressed video data over a noisy communication channel
02/22/1994US5289272 Combined data, audio and video distribution system in passenger aircraft
02/22/1994US5289271 Cable television-usage system
02/22/1994US5289190 Recording/reproducing apparatus including control signal indicating high-efficiency coding
02/22/1994US5289091 Apparatus for turning monitoring camera