Patents for H04N 7 - Television systems (274,023)
06/1998
06/09/1998US5764658 Data receiving apparatus and method
06/09/1998US5764553 Generalized data processing path for performing transformation and quantization functions for video encoder systems
06/09/1998US5764357 Zero-run-length encoder with shift register
06/09/1998US5764307 Method and apparatus for spatially adaptive filtering for video encoding
06/09/1998US5764305 Digital signal processing apparatus and method
06/09/1998US5764301 Alignment process and device for processing video signals on transmission
06/09/1998US5764298 Digital data transcoder with relaxed internal decoder/coder interface frame jitter requirements
06/09/1998US5764297 System for converting aspect ratio of video signal having frequency modulated read clock signals
06/09/1998US5764296 Resolution-variable adaptive picture compression
06/09/1998US5764294 Image coding device to be manufactured at low cost and to be usable with low-speed memory
06/09/1998US5764293 Method of encoding video using master and slave encoders wherein bit budgets for frames to be encoded are based on encoded frames
06/09/1998US5764286 Still video camera having plural selectable data compression circuits
06/09/1998US5764281 Password restriction of cable television channel using key input controller
06/09/1998US5764279 Method and apparatus for instantaneous in-band document exchange during a video conference
06/09/1998US5764278 Video conference apparatus for storing a value of a parameter when communication is temporarily disconnected
06/09/1998US5764277 Group-of-block based video signal combining for multipoint continuous presence video conferencing
06/09/1998US5764276 Method and apparatus for providing perceived video viewing experiences using still images
06/09/1998US5764275 Method for preventing cheating on an interactive presentation system
06/09/1998US5764168 Runlength coding method and apparatus for use in a video signal encoding system
06/09/1998US5764167 Compression and decompression of runs of ones and zeros in groups that progressively increase in size within each run
06/09/1998US5763871 Cytological system autofocus integrity checking apparatus
06/09/1998CA2124709C Reduced speed equalizer
06/09/1998CA2063837C Clock generation circuit for multistandard serial digital video with automatic format identification
06/04/1998WO1998024239A1 Method for encoding a digitalized picture
06/04/1998WO1998024238A1 Wireless backward channel for a tv digital signal receiver
06/04/1998WO1998024237A1 A decoding apparatus/method and data format for processing and storing encrypted video data
06/04/1998WO1998024235A2 Data communication method using typed continuation
06/04/1998WO1998024233A1 Method and circuit configuration for producing a series of progressive pictures
06/04/1998WO1998024231A1 Opsistor image processor
06/04/1998WO1998024229A1 A telecommunications method and system
06/04/1998WO1998024228A2 Optical network unit for communicating telephony and video information
06/04/1998WO1998024224A1 General access system
06/04/1998WO1998024200A2 Logical and composite channel mapping in an mpeg network
06/04/1998WO1998024196A1 Opsistor transmitter data compression circuit
06/04/1998WO1998024188A1 Nested split coding of sparse data sets
06/04/1998WO1998024186A2 Semiconductor imaging sensor with on-chip encryption
06/04/1998WO1998024062A1 Method for coding with regional information
06/04/1998WO1998024053A1 System and method for performing wavelet-like and inverse wavelet-like transformations of digital data
06/04/1998WO1998024037A2 Method for securely triggering the playing of crippled local media through the web
06/04/1998WO1998024032A1 System and method for scheduling and processing image and sound data
06/04/1998WO1998024020A2 Method and system for generating software code
06/04/1998WO1998024012A1 System and method for tree ordered coding of sparse data sets
06/04/1998WO1998010593A3 Picture encoding and decoding
06/04/1998DE19753296A1 Text data processing method for video signal
06/04/1998DE19649292A1 Access protection method for pay television
06/04/1998DE19649069A1 Remote controller for consumer electronics apparatus
06/04/1998CA2273095A1 General access system
06/04/1998CA2272700A1 Opsistor transmitter data compression circuit
06/04/1998CA2272686A1 Opsistor image processor
06/04/1998CA2271012A1 Method for securely triggering the playing of crippled local media through the web
06/03/1998EP0845918A2 System for, and method of, ATM segmentation and re-assembly of cells providing streaming data
06/03/1998EP0845917A2 Implementation of delay-critical services in a cable television system
06/03/1998EP0845909A1 Method and filter for reducing blocking effect
06/03/1998EP0845908A2 Video compression
06/03/1998EP0845907A2 System and method for handling multimedia datastreams employing shared loop architecture multimedia subsystem clusters
06/03/1998EP0845906A2 Shared loop audio/video server system
06/03/1998EP0845904A2 Camera control system
06/03/1998EP0845872A2 Transmission of wideband signals in a net with stationary signal interference
06/03/1998EP0845758A2 Embedding authentication information into an image
06/03/1998EP0845757A2 Data hiding method and data extracting method
06/03/1998EP0845190A1 Data delivery services
06/03/1998EP0845189A1 Video communication network
06/03/1998EP0845188A1 Television schedule system with enhanced features
06/03/1998EP0845187A2 Endoscopy video system
06/03/1998EP0845176A1 Dynamic allocation of bandwidth for transmission of audio signals and a video signal
06/03/1998EP0845120A1 General purpose, programmable media processor
06/03/1998EP0830784A4 System for providing closed captioning to an electronic discussion group
06/03/1998EP0679316B1 Field elimination apparatus for a video compression/decompression system
06/03/1998EP0418396B1 Video/audio multiplex transmission system
06/03/1998CN1183877A Trick-play modes for pre-encoded video
06/03/1998CN1183841A System and method for secure transaction management and electronic rights protection
06/03/1998CN1183695A Apparatus, method and system for audio and video conferencing and telephony
06/03/1998CN1183693A Protecting images with image watermark
06/03/1998CN1183679A Image coding and decoding using mapping coefficients corresponding to class information of pixel blocks
06/03/1998CN1183601A TV network system for audio-visual education programme
06/02/1998US5761692 Method and apparatus of retrieving continuous and non-continuous media data from a file system
06/02/1998US5761607 System for local processing/accessing and representation of large volumes of data
06/02/1998US5761606 Media online services access via address embedded in video or audio program
06/02/1998US5761605 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
06/02/1998US5761604 Music key for directly selecting audio channels on satellite receiver
06/02/1998US5761603 CATV-LAN system having simple modem configuration and providing high efficiency of transmission
06/02/1998US5761602 Hybrid multichannel data transmission system utilizing a broadcast medium
06/02/1998US5761601 Video distribution of advertisements to businesses
06/02/1998US5761447 For a data processing system
06/02/1998US5761438 Apparatus for measuring the amount of traffic of a network at a predetermined timing and compressing data in the packet without changing the size of the packet
06/02/1998US5761437 Audio signal, processing circuit and video/audio decoder
06/02/1998US5761423 Scalable picture storage access architecture for video decoding
06/02/1998US5761417 Video data streamer having scheduler for scheduling read request for individual data buffers associated with output ports of communication node to one storage node
06/02/1998US5761416 Method and apparatus for distributing network bandwidth on a video server for transmission of bit streams across multiple network interfaces connected to a single internet protocol (IP) network
06/02/1998US5761398 Three stage hierarchal motion vector determination
06/02/1998US5761345 Image processing apparatus suitable for multistage compression
06/02/1998US5761343 Image reproduction apparatus and image reproduction method
06/02/1998US5761341 Image encoding and decoding method and apparatus using edge synthesis and inverse wavelet transform
06/02/1998US5761326 Method and apparatus for machine vision classification and tracking
06/02/1998US5761304 Video signal format converting circuit
06/02/1998US5761303 Inclusion of audio signal within video signal, at band edges
06/02/1998US5761286 Method for enabling communications between calling an called multmedia terminals
06/02/1998US5761210 Signal processing apparatus and method
06/02/1998US5761209 Method of transmitting digital signals, transmitter and receiver used therefor
06/02/1998US5761197 Communications in a distribution network