Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
11/1999
11/04/1999WO1999056419A1 Return path attenuation filter
11/04/1999WO1999056247A1 Image interpolation
11/04/1999WO1999056216A1 Efficient pre-alarm buffer management
11/04/1999WO1999056215A1 Digital video recorder having odd and even fields
11/04/1999WO1999056214A1 Multimedia analysis in intelligent video system
11/04/1999WO1999037056A9 Method and apparatus for media data transmission
11/04/1999WO1999031871A3 Method and apparatus for receiving full-motion digital video multi-casts, interactive data and interactive voice via a dsl circuit
11/04/1999WO1998059282A3 Browser based command and control home network
11/04/1999DE19919600A1 Image data compression device for rapid image data transmission and efficient image data recording
11/04/1999DE19911896A1 Optical device for testing surface condition
11/04/1999DE19819669A1 Teletext mit Transparent-Funktion Teletext with Transparent function
11/04/1999CA2638981A1 Program guide system with advertisements
11/04/1999CA2330031A1 Method and system for providing bi-directional communications to a broadband network without degrading downstream bandwidth
11/03/1999EP0954182A1 Recording medium whereon a compressed motion signal representing a motion picture is recorded
11/03/1999EP0954181A2 Data processing apparatus and method
11/03/1999EP0954180A2 Serial data transfer device
11/03/1999EP0954179A2 Response capacity management in interactive broadcast systems
11/03/1999EP0954178A2 Method for distributing video information to mobile object by digital radio communication
11/03/1999EP0954177A1 Pay-TV apparatus with copy protection
11/03/1999EP0954176A2 Reminder system for broadcast and non-broadcast events
11/03/1999EP0954175A2 Teletext with transparent function
11/03/1999EP0954174A2 Method and system for compressed image data storage and reproduction
11/03/1999EP0954173A1 Digital recording and reproducing system with copy protection
11/03/1999EP0954172A2 Apparatus and method of displaying electronic preview guide
11/03/1999EP0954168A2 Adaptive display speed automatic control device of motional video and method therefor
11/03/1999EP0954150A2 Image communication apparatus and storage medium
11/03/1999EP0954136A1 Method for cooperative teleworking and device for carrying out the method
11/03/1999EP0953274A1 Light sensitive switch with microphone
11/03/1999EP0953254A2 Motion-compensated predictive image encoding and decoding
11/03/1999EP0953253A2 Motion-compensated predictive image encoding and decoding
11/03/1999EP0953230A1 Error prevention method for multimedia
11/03/1999EP0890086A4 Digital interconnects of a pc with consumer electronics devices
11/03/1999EP0847651B1 Image processing method and circuit
11/03/1999EP0813796A4 Miniature vehicle video production system
11/03/1999EP0698328A4 Multimedia communications network
11/03/1999EP0695488A4 Multimedia telecommunications network and service
11/03/1999EP0578816B1 Method of inspecting articles
11/03/1999EP0566662B1 Audio and video transmission system
11/03/1999CN2347322Y Internal signal isolating device of wired television distributor
11/03/1999CN2347321Y Fee administrative radio-frequency switch
11/03/1999CN1234163A 场识别系统 Field identification system
11/03/1999CN1233917A Multiple and super high frequency TV transmission system
11/03/1999CN1233916A Image processing method, image processing apparatus, and data storage media
11/03/1999CN1233915A Double direction cable TV system, frequency converter and indoor transmission system therefor
11/03/1999CN1233914A Data processing apparatus and method and storage medium
11/03/1999CN1233913A Telvision broadcast receiving system
11/03/1999CN1233912A Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in QAM/VSB digital TV receiver
11/03/1999CN1233900A Establishing connections between remote devices with hypertext transfer protocol
11/03/1999CN1233831A Data recording method and data recording apparatus
11/03/1999CN1233822A Optical disk reproducing method and optical disk reproducing system
11/02/1999USRE36368 Automatic interactive television terminal configuration
11/02/1999US5978855 Downloading applications software through a broadcast channel
11/02/1999US5978835 Multimedia mail, conference recording and documents in video conferencing
11/02/1999US5978656 Portable device using inductive antenna to receive data transmitted via modulating vertical or horizonal line synchronization signals of a swept frame video display monitor
11/02/1999US5978651 Method for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission system
11/02/1999US5978649 Method and apparatus for dynamic conditional channel authorization in a broadcast system
11/02/1999US5978592 Video decompression and decoding system utilizing control and data tokens
11/02/1999US5978544 Video compression coding apparatus and video compression recording/playback apparatus
11/02/1999US5978543 Video disk recorder which compresses video data and inserts addresses of intra-frames into the user data area of the headers of the intra-frames
11/02/1999US5978517 Digital image progressive transmission
11/02/1999US5978515 Image encoder and image decoder
11/02/1999US5978514 Image data coding and decoding system for efficiently compressing information using the shape and position of the image content
11/02/1999US5978513 Picture encoding method and apparatus and picture decoding method and apparatus
11/02/1999US5978509 Low power video decoder system with block-based motion compensation
11/02/1999US5978508 Two-dimensional inverse discrete cosine transformation circuit for MPEG2 video decoder
11/02/1999US5978480 System for scrambling and descrambling video signals by altering synchronization patterns
11/02/1999US5978479 Descrambler
11/02/1999US5978424 Frame identification system
11/02/1999US5978382 Adaptive random access protocol and fixed search tree expansion resolution for multiple station networks
11/02/1999US5978098 Image compression method
11/02/1999US5978048 Method and apparatus for encoding a motion vector based on the number of valid reference motion vectors
11/02/1999US5978036 Character signal processing apparatus and character signal processing system and personal computer
11/02/1999US5978035 Methods and devices for encoding high-definition signals by computing selection algorithms and recording in an off-line manner
11/02/1999US5978034 Moving picture encoding method and apparatus, moving picture decoding method and apparatus and recording medium
11/02/1999US5978033 Motion picture encoder
11/02/1999US5978032 Method for predicting motion compensation
11/02/1999US5978031 Method and apparatus for determining an optimum grid for use in a block-based video signal coding system
11/02/1999US5978030 Method and apparatus for encoding a video signal using feature point based motion estimation
11/02/1999US5978029 Real-time encoding of video sequence employing two encoders and statistical analysis
11/02/1999US5978028 Image reproduction apparatus having a support for vertical and horizontal image reproduction
11/02/1999US5978019 Cable fraud detection system and method
11/02/1999US5978018 Surveillance system having an operable recording device and a dummy recording device
11/02/1999US5978017 Multi-camera video recording system for vehicles
11/02/1999US5978014 Video TTY device and method for videoconferencing
11/02/1999US5978013 Apparatus and method for generating product coupons in response to televised offers
11/02/1999US5978012 Data receiving-processing apparatus and method, and broadcasting method
11/02/1999US5977997 Single chip computer having integrated MPEG and graphical processors
11/02/1999US5977996 Storage device for storing hierarchically coded data and access method thereof
11/02/1999US5977964 Method and apparatus for automatically configuring a system based on a user's monitored system interaction and preferred system access times
11/02/1999US5977962 Television browsing system with transmitted and received keys and associated information
11/02/1999US5977946 Multi-window apparatus
11/02/1999US5976070 Signal cable of a video endoscope provided with a solid state image pick-up device
11/02/1999US5975531 High speed teleconference system
11/02/1999CA2173300C Multi-media conference call control providing adjustable bandwidth for individual communication terminals
11/02/1999CA2173017C Selective participation in a multi-media communication conference call
11/02/1999CA2156889C Method and apparatus for encoding and decoding data
11/02/1999CA2146801C Timing recovery for variable bit-rate video on asynchronous transfer mode (atm) networks
11/02/1999CA2015614C System for transmitting a digital video signal including time code signals
11/01/1999CA2266694A1 Packet routing and queuing at headend of shared data channel
10/1999
10/30/1999CA2270723A1 Configurable monitoring of program viewership and usage of interactive applications
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