Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
10/1997
10/15/1997EP0800745A1 Time-shifted conditional access
10/15/1997EP0800744A1 Video signal scan conversion
10/15/1997EP0800743A1 Method and device for concealment and containment of errors in a macroblock-based video codec
10/15/1997EP0800689A1 Graphics image manipulation
10/15/1997EP0800688A1 Method and device for compact representation of a discrete region contour
10/15/1997EP0800684A1 Method and device for encoding/decoding a displaced frame difference
10/15/1997EP0800678A1 Method and device for error control in video compression
10/15/1997EP0731957B1 Method for scaling and filtering images using discrete cosine transforms
10/15/1997EP0705499B1 Device for amplifying television signals with a predetermined variable operating class for preventing transmission errors
10/15/1997EP0636302B1 A method for adaptive estimation of unwanted global picture instabilities in picture sequences in digital video signals
10/15/1997EP0587783B1 Adaptive block size image compression system
10/15/1997CN1162238A Lattice image-removing device of convolutional decoder of voice lattice code in multi-channel receiver
10/15/1997CN1162237A Method for coding target profile in video frequency signal using profile-motion estimation technology
10/15/1997CN1162236A Method for processing picture signal with target using epitaxial interpolation technology and apparatus thereof
10/15/1997CN1162141A Method for automatically detecting printing quality of colour picture
10/14/1997US5678173 CATV system and method of judging modulation technique in CATV system
10/14/1997US5678172 For communicating in two-way interactive broadcast data service
10/14/1997US5678170 Method and apparatus for monitoring and limiting distribution of data
10/14/1997US5678061 Method for employing doubly striped mirroring of data and reassigning data streams scheduled to be supplied by failed disk to respective ones of remaining disks
10/14/1997US5678012 In an interactive network
10/14/1997US5677980 Decoder for compressed digital signal
10/14/1997US5677979 Video incident capture system
10/14/1997US5677969 Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system
10/14/1997US5677911 Data frame format for a digital signal having multiple data constellations
10/14/1997US5677905 Access subnetwork controller for video dial tone networks
10/14/1997US5677901 Methods and appartus for reproducing and decoding data recorded on a disk
10/14/1997US5677895 Apparatus and methods for setting timepieces
10/14/1997US5677739 System and method for providing described television services
10/14/1997US5677738 Video signal converter
10/14/1997US5677737 Video compression for wide screen television
10/14/1997US5677736 Data processor
10/14/1997US5677735 Motion picture coding apparatus
10/14/1997US5677734 Method and apparatus for modifying the quantization step of each macro-block in a video segment
10/14/1997US5677727 Television telephone
10/14/1997US5677708 System for displaying a list on a display screen
10/14/1997US5677689 Fixed rate JPEG compliant still image compression
10/14/1997CA2053593C Method and apparatus for reducing co-channel interference in an hdtv receiver
10/11/1997CA2173781A1 Apparatus for interconnection of tv and information service through telephone network
10/09/1997WO1997037497A1 Video hyperlinks
10/09/1997WO1997037496A1 Image receiver, image reception method, image transmitter, image transmission method, image transmitter/receiver and image transmission/reception method
10/09/1997WO1997037495A1 Image data compression method and system
10/09/1997WO1997037494A1 Surveillance system having graphic video integration controller and full motion video switcher
10/09/1997WO1997037493A1 Cable data network architecture
10/09/1997WO1997037492A1 A method for controlling copy protection in digital video networks
10/09/1997WO1997037484A1 Multimedia document conferencing system
10/09/1997WO1997037454A1 Apparatus and method for spectrum management in a multipoint communication system
10/09/1997WO1997037326A1 Method and apparatus for decomposing an image stream into units of local contrast
10/09/1997WO1997037325A1 Method and apparatus for assessing the visibility of differences between two image sequences
10/09/1997WO1997037324A1 Apparatus for assessing the visibility of differences between two image sequences
10/09/1997WO1997037322A1 Apparatus and method for optimizing encoding and performing automated steerable image compression using a perceptual metric
10/09/1997WO1997037202A1 Digital interconnects of a pc with consumer electronics devices
10/09/1997WO1997028652A3 Method for universal messaging and multiplexing
10/09/1997DE19615342C1 Therapy appts. with optical positioning device
10/09/1997CA2221702A1 Multimedia document conferencing system
10/09/1997CA2221184A1 Picture receiving apparatus, picture receiving method, picture sending apparatus, picture sending method, picture sending/receiving apparatus, and picture sending/receiving method
10/09/1997CA2200369A1 Method and system for a video answering machine
10/08/1997EP0800316A2 Method of coding video signals and transmission system thereof
10/08/1997EP0800315A2 AM/FM converter and optical signal transmission system
10/08/1997EP0800314A1 Receiver for programmes broadcast by a satellite or an MMDS-station
10/08/1997EP0800313A2 Automatic channel preset apparatus for television broadcasting signals
10/08/1997EP0800312A1 Data transmitter, data transmitting method, data receiver, information processor, and information recording medium
10/08/1997EP0800292A2 Time division multiplexing of digital video signals
10/08/1997EP0800290A2 Near on-demand digital information delivery system and method using signal fragmentation and sequencing to reduce average bandwidth and peak bandwidth variability
10/08/1997EP0800152A1 Surveillance camera system
10/08/1997EP0799551A1 Memory controller for decoding and displaying compressed video data
10/08/1997EP0799550A1 Segmented picture coding method and system, and corresponding decoding method and system
10/08/1997EP0799549A1 Method and apparatus for providing vcr-like trick mode functions for viewing distributed video data
10/08/1997EP0799547A1 System for producing time-independent virtual camera movement in motion pictures
10/08/1997EP0799525A1 Coupling device connecting an unbalanced signal line to a balanced signal line
10/08/1997EP0799453A1 Image processing circuit and method
10/08/1997EP0798979A1 Electronic endoscope with position display
10/08/1997EP0722630A4 Low power analog absolute differencing circuit and architecture
10/08/1997EP0532682B1 Synchronizing side by side pictures
10/08/1997CN2264452Y Dryline amplifier power supply of closed circuit television system
10/08/1997CN1161768A System for providing tiered band width expansion and remote authorization capability for a cable TV system
10/08/1997CN1161620A Apparatus and method for synthesizing information signal and reproduction control signal and information signal recording apparatus
10/08/1997CN1161619A Method of transmitting and recording television signals with copy generating restriction information and recording apparatus therefor
10/08/1997CN1161532A Method of reproducing multimedia data and multimedia data server system
10/07/1997USH1684 Fast preview processing for JPEG compressed images
10/07/1997US5675828 Entertainment system and method for controlling connections between terminals and game generators and providing video game responses to game controls through a distributed system
10/07/1997US5675738 Video information server system including server center cooperating with request terminals performing video on demand
10/07/1997US5675734 System for transmitting desired digital video or audio signals
10/07/1997US5675732 Dynamic channel assignment for TCP/IP data transmitted via cable television channels by managing the channels as a single sub network
10/07/1997US5675703 Apparatus for decoding compressed and coded sound signal
10/07/1997US5675695 Multi-scene recording medium and apparatus for reproducing data therefrom
10/07/1997US5675693 Video signal reproducing apparatus with plural search functions
10/07/1997US5675670 Optical processor using an original display having pixels with an aperture ratio less than that for pixels in an operation pattern display
10/07/1997US5675669 Apparatus for encoding/decoding an image signal having a still object
10/07/1997US5675667 Picture compression apparatus, picture reproducing apparatus and picture drawing apparatus
10/07/1997US5675666 Image data compression method and apparatus with pre-processing to compensate for the blocky effect
10/07/1997US5675654 System and method for interfacing a transport decoder to a national renewable security systems (NRSS) smart card
10/07/1997US5675647 Cable TV system using passwords
10/07/1997US5675646 Method of writing identification number of electronic apparatus
10/07/1997US5675583 Variable communication bandwidth for conference call initiation
10/07/1997US5675575 Method and apparatus for communicating different types of data in a data stream
10/07/1997US5675512 Low-cost room-based video conferencing systems
10/07/1997US5675509 Data transmission device
10/07/1997US5675416 Apparatus and method for detecting and sorting plastic articles having a preferred axis of birefringence
10/07/1997US5675394 Equalization apparatus with effective coefficient updating operation
10/07/1997US5675393 Image processing apparatus with generating unit for generating image data and decoding unit for decoding image data
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