Patents for H04N 7 - Television systems (274,023)
04/2003
04/16/2003EP0787401B1 Trick play stream derivation for pre-recorded digital video recording
04/16/2003EP0739558B1 Method and apparatus for multiple media digital communication system
04/16/2003CN2545777Y 监视系统 Monitoring system
04/16/2003CN2545776Y Cable TV network safety and authorized service device
04/16/2003CN2545775Y Integrative terminal controller for cable TV
04/16/2003CN1411665A Encoding method for compression of video sequence
04/16/2003CN1411664A System for moving image transmitting/receiving using wireless communication and method of same
04/16/2003CN1411663A Addressable television broadcasting system
04/16/2003CN1411661A Method and apparatus for providing camera accessory with compression
04/16/2003CN1411660A Method and device for communicating command
04/16/2003CN1411658A Method and device for displaying information with respect to selected image elements of images of video sequence
04/16/2003CN1411656A Demultiplexing device and process for at least two transport streams and one merged stream
04/16/2003CN1411591A Method and arrangement for embedding watermark in information signal
04/16/2003CN1411590A Method and arrangement for embedding watermark in information signal
04/16/2003CN1411318A Communication network structure, communication network system and communication method thereof
04/16/2003CN1411283A Full digitize, high resolution, multi interface multi media transmission encipherer and decoder
04/16/2003CN1411282A Method for extracting target area
04/16/2003CN1411281A Method for extracting target area
04/16/2003CN1411280A Apparatus for making, transmitting and receiving broadcasting type quasi video frequency requested program
04/16/2003CN1411279A Method and system for transmission of universal data video-on-demand service of delay access user
04/16/2003CN1411278A IP network TV conference system
04/16/2003CN1411277A Video-frequency communication system
04/16/2003CN1411276A Method of integrated control of descrambler terminal primary and secondary machine in descrambler added system
04/16/2003CN1411274A Equipment and method of broadcasting digital high sharpness TV code flow from digital universal disk
04/16/2003CN1411272A Method for recording edit information special for manufacturer, apparatus and information storage medium thereof
04/16/2003CN1411249A Improved user multiterminal multi service unified access equipment system and its service realizing method
04/16/2003CN1410989A Digital information recording device and information recording reproducing apparatus
04/16/2003CN1410986A Reproducing device, recording device and copying controlling method
04/16/2003CN1410892A Image processor and image picking apparatus
04/16/2003CN1106117C Image signal processor system and method, and memory management therefor
04/16/2003CN1106116C Method for transmitting VSB digital TV
04/16/2003CN1106115C Digital carrier wave restoring device and method therefor in television signal receiver
04/16/2003CN1106110C Information television receiver and information data processing method therein
04/16/2003CN1106109C Device for supplying image
04/16/2003CN1106108C Apparatus for generating variable frequency synchronous signal
04/16/2003CN1106102C Rotationally invariant trellis coding incorporating transparent binary convolutional codes
04/16/2003CN1106098C Device and method for converting data transfer rate in communication of digital audio/video data
04/16/2003CN1106095C Error prevention method for multimedia
04/16/2003CN1106082C Method and device for decoding
04/16/2003CN1106007C System decoder of digital video disc play back device
04/16/2003CN1105996C Block matching method by moving target window
04/16/2003CN1105995C Image processing process
04/16/2003CN1105993C One-dimensional signal adaptive filter for reducing blocking effect and filtering method
04/15/2003USRE38079 Multi-format audio/video production system
04/15/2003US6550063 Network interface module for receiving cable television broadcasting
04/15/2003US6550008 Protection of information transmitted over communications channels
04/15/2003US6549948 Variable frame rate adjustment in a video system
04/15/2003US6549929 Intelligent scheduled recording and program reminders for recurring events
04/15/2003US6549905 Apparatus and method for automatically searching for updated information in an internet site and/or a teletext
04/15/2003US6549889 Assistance method and apparatus
04/15/2003US6549757 Method and system for assessing, at reception level, the quality of a digital signal, such as a digital audio/video signal
04/15/2003US6549724 Image coding method, decoding apparatus, and computer program implementing a display cycle identifier
04/15/2003US6549720 Picture signal processing method and apparatus, picture signal recording method and apparatus and recording medium
04/15/2003US6549717 Digital video signal record and playback device and method for giving priority to a center of an I frame
04/15/2003US6549716 Communication system
04/15/2003US6549677 Data conversion method and apparatus and signal recording and reproduction apparatus utilizing same
04/15/2003US6549676 Encoding device
04/15/2003US6549674 Image compression based on tiled wavelet-like transform using edge and non-edge filters
04/15/2003US6549672 Method and apparatus for recovery of encoded data using central value
04/15/2003US6549671 Picture data encoding apparatus with bit amount adjustment
04/15/2003US6549670 Picture decoding method and apparatus
04/15/2003US6549669 Predictive audio and video encoding with smooth scene switching capability
04/15/2003US6549668 Detection of a 3:2 pulldown in a motion estimation phase and optimized video compression encoder
04/15/2003US6549667 Image data encoding method and apparatus
04/15/2003US6549666 Reversible embedded wavelet system implementation
04/15/2003US6549665 Image signal processing device
04/15/2003US6549652 Method and apparatus for reducing noise during lossy transformation processes
04/15/2003US6549580 Subset averaged median predictor for differential pulse code modulation
04/15/2003US6549579 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium
04/15/2003US6549578 Moving picture synthesizing device
04/15/2003US6549577 Computational resource allocation in an information stream decoder
04/15/2003US6549576 Motion vector detecting method and apparatus
04/15/2003US6549575 Efficient, flexible motion estimation architecture for real time MPEG2 compliant encoding
04/15/2003US6549528 Data transmission device, reception device, data transmission system, and data transmission method
04/15/2003US6549317 Apparatus for transmitting image signals
04/15/2003US6549306 System and method for selecting photographic images using index prints
04/15/2003US6549245 Method for producing a visual rhythm using a pixel sampling technique
04/15/2003US6549243 Digital broadcast receiver unit
04/15/2003US6549242 Combining adjacent TV channels for transmission by a common antenna
04/15/2003US6549241 Methods and apparatus for processing multimedia broadcasts
04/15/2003US6549240 Format and frame rate conversion for display of 24Hz source video
04/15/2003US6549231 Image recording apparatus
04/15/2003US6549230 Portable conference center
04/15/2003US6549229 Small, portable, self-contained, video teleconferencing system
04/15/2003US6549215 System and method for displaying images using anamorphic video
04/15/2003US6549178 Communication terminal apparatus
04/15/2003US6549147 Methods, apparatuses and recorded medium for reversible encoding and decoding
04/15/2003US6548862 Structure of semiconductor device and method for manufacturing the same
04/15/2003US6548804 Apparatus for detecting an object using a differential image
04/15/2003US6547624 System for recording and editing films
04/15/2003CA2305254C Method and apparatus for a copy-once watermark for video recording
04/15/2003CA2296784C Exit guard system
04/15/2003CA2295756C Browser based command and control home network
04/15/2003CA2258900C Method for providing enhanced h.321-based multimedia conferencing services over the atm wide area network
04/15/2003CA2229472C Data communication apparatus and method
04/10/2003WO2003030558A1 System and method for tracking an object during video communication
04/10/2003WO2003030557A1 Detecting static areas
04/10/2003WO2003030555A1 Apparatus and method for transcoding data received by a recording device
04/10/2003WO2003030554A1 Robust method for recovering a program time base in mpeg-2 transport streams and achieving audio/video synchronization
04/10/2003WO2003030551A1 Drive support display apparatus