| Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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| 11/04/2004 | US20040220858 Method and system for verifying exposure to message content delivered via subscription networks |
| 11/04/2004 | US20040219977 Apparatus and method for executing a game program having advertisements therein |
| 11/04/2004 | US20040218924 Optical communications system and method for transmittin point-to-point and broadcast signals |
| 11/04/2004 | US20040218688 Ultra-wideband communication through a power grid |
| 11/04/2004 | US20040218618 Method and apparatus for transmitting and receiving information |
| 11/03/2004 | EP0737408B1 Control device for radio coverage in a cellular digital mobile communication system |
| 11/03/2004 | EP0713621B1 Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
| 11/03/2004 | CN2653791Y Precision synchronous covering system for FM broadcast |
| 11/03/2004 | CN1543727A Client messaging in multicast networks |
| 11/02/2004 | US6813326 Data transmission system, data transmission communication station, and data transmission method |
| 10/28/2004 | WO2004093488A2 Directional speakers |
| 10/28/2004 | WO2004093429A2 Method and apparatus for interactive video on demand |
| 10/28/2004 | WO2004093356A1 Digital broadcast transmission system, digital broadcast reception apparatus, and digital broadcast reproduction method |
| 10/28/2004 | WO2004092929A2 Methods for controlling apparatuses having an emergency alert function |
| 10/28/2004 | WO2004086284A3 Method for protecting a content, device and data medium for carrying out said method |
| 10/28/2004 | US20040216171 Remote monitoring system and method for interactive television data |
| 10/28/2004 | US20040216161 System and method for filtering interactive television data |
| 10/28/2004 | US20040216160 Interactive program guide systems and processes |
| 10/28/2004 | US20040214522 Ultra-wideband communication through a wire medium |
| 10/28/2004 | US20040213573 Amplifier composite triple beat (CTB) reduction by phase filtering |
| 10/28/2004 | US20040212681 Intelligent broadcasting control system |
| 10/28/2004 | CA2520999A1 Methods for controlling apparatuses having an emergency alert function |
| 10/27/2004 | EP1470715A1 Wideband direct-to-home broadcasting satellite communications system and method |
| 10/27/2004 | EP1470648A1 Multiple channel wireless communication system |
| 10/27/2004 | CN1541463A Managing burst profile characteristics in TDM systems |
| 10/27/2004 | CN1541462A Method and arrangement for enablning disintermediation, and receiver for use thereby |
| 10/27/2004 | CN1540894A Digital reveiver with aural interface |
| 10/26/2004 | US6809747 Transmitting and receiving a signal of a picture including related information |
| 10/21/2004 | WO2004091233A1 An apparatus for signal reception |
| 10/21/2004 | WO2004091212A1 Receiver apparatus, display apparatus using the same, and television broadcast system |
| 10/21/2004 | WO2004090677A2 System and method for processing multimedia content |
| 10/21/2004 | US20040210947 Method and apparatus for interactive video on demand |
| 10/21/2004 | US20040210939 Apparatus for separating digital broadcasting signal from data transmitted through internet network and method thereof |
| 10/21/2004 | US20040210923 Method and system for facilitating interactive multimedia experiences |
| 10/21/2004 | US20040209654 Directional speaker for portable electronic device |
| 10/21/2004 | US20040209643 Sharing a radio frequency interface resource |
| 10/21/2004 | US20040208333 Directional hearing enhancement systems |
| 10/21/2004 | US20040208325 Method and apparatus for wireless audio delivery |
| 10/21/2004 | US20040208324 Method and apparatus for localized delivery of audio sound for enhanced privacy |
| 10/20/2004 | EP1469679A1 Use-related billing for Pay TV |
| 10/20/2004 | EP1469676A1 Interactive program guide systems and processes |
| 10/20/2004 | EP1469646A2 Measurement of transmission time |
| 10/20/2004 | EP1468373A1 Wireless distribution collection system |
| 10/20/2004 | EP1095488B1 Transcoders for fixed and variable rate data streams |
| 10/19/2004 | US6807676 Methods of formatting data to maximize the readability and the amount of song identification information displayed on a limited number of lines |
| 10/19/2004 | US6807230 Broadcast encoding system and method |
| 10/19/2004 | US6805768 Applying a layer of an autodeposited coating on a metal surface and then directly bonding rubber to the coated metal surface. |
| 10/19/2004 | CA2212831C Amplitude and phase error normalization of subcarrier generator |
| 10/14/2004 | WO2004088990A2 Media storage control |
| 10/14/2004 | WO2004088987A1 Digital terrestrial broadcasting system, digital terrestrial broadcasting right protection device, digital terrestrial broadcasting right protection method, and program |
| 10/14/2004 | WO2004088984A1 Video data storage and retrieval system and method with resolution conversion |
| 10/14/2004 | WO2004088887A2 System and method for media management |
| 10/14/2004 | WO2004088664A2 System and method for media management |
| 10/14/2004 | WO2004088663A2 Media processor |
| 10/14/2004 | WO2004088556A1 Data communication control system, communication system, service providing method, and computer program |
| 10/14/2004 | WO2004088553A2 A method and apparatus for dynamically controlling a broadcast media production system |
| 10/14/2004 | US20040205817 Television program broadcasting system |
| 10/14/2004 | US20040205815 Method and apparatus for providing history of viewed TV program |
| 10/14/2004 | US20040205810 System and method for encouraging viewers to watch television programs |
| 10/14/2004 | US20040205334 Offensive material control method for digital transmissions |
| 10/14/2004 | US20040205128 Event control device and digital broadcasting system |
| 10/14/2004 | US20040204943 Stealthy audio watermarking |
| 10/14/2004 | US20040203969 Method and system for pulling information from a mobile vehicle within a mobile vehicle communications system |
| 10/14/2004 | US20040203729 System and method for bookmarking radio stations and associated internet addresses |
| 10/14/2004 | US20040203406 Use of radio data service (RDS) information to automatically access a service provider |
| 10/14/2004 | US20040202328 Data transmission controlling method and data transmission system |
| 10/14/2004 | US20040201617 Apparatus, system and method for providing information on objects included in content |
| 10/13/2004 | EP0688487B1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto |
| 10/13/2004 | CN1536893A Equipment for providing information whose contents include object, system and method |
| 10/13/2004 | CN1171405C Broadcast program information processing unit |
| 10/12/2004 | US6804828 Tap device of cable broadcasting system |
| 10/12/2004 | US6804655 Systems and methods for transmitting bursty-asnychronous data over a synchronous link |
| 10/12/2004 | US6804510 Selection of alternate sources for audio broadcast signals responsive to embedded source identification information |
| 10/12/2004 | US6804490 Selective message broadcasting system |
| 10/07/2004 | WO2004086659A1 Advertisement managing method and broadcasting apparatus |
| 10/07/2004 | WO2004086658A1 Method of optionally transferring information |
| 10/07/2004 | WO2004086656A1 Transmission parameter information |
| 10/07/2004 | WO2004086284A2 Method for protecting a content, device and data medium for carrying out said method |
| 10/07/2004 | WO2004059901A3 Method and apparatus for am digital audio broadcasting with amplitude scaled tertiary subcarriers |
| 10/07/2004 | US20040199615 Method and apparatus for automatic configuration of equipment |
| 10/07/2004 | US20040198281 Transit vehicle wireless transmission broadcast system |
| 10/07/2004 | US20040198279 Broadcast media bookmarks |
| 10/07/2004 | US20040198217 Follow-me broadcast reception method and system |
| 10/07/2004 | US20040197074 Digital broadcasting receiving/recording apparatus |
| 10/07/2004 | US20040196312 Method and apparatus for rapid distribution of information |
| 10/07/2004 | US20040195112 Process for extracting and recovering metals from aqueous solutions |
| 10/07/2004 | DE10313742A1 Radiogerät mit einer Liederkennungseinrichtung für empfangene Lieder und einer Titelspeichereinheit Radio with song recognition device for received songs and a cover storage unit |
| 10/06/2004 | EP1465361A2 Digital receiver with aural interface |
| 10/06/2004 | EP1070398B1 Bidirectional broadcasting system |
| 10/06/2004 | EP0944967A4 Digital satellite direct broadcast system |
| 10/06/2004 | EP0723729B1 Simulcast of interactive signals with a conventional video signal |
| 10/06/2004 | CN1534663A Information transmission method, device used for transmitting information and device for receiving information |
| 10/06/2004 | CN1170423C Method for providing template set for displaying program guide and TV user system |
| 10/06/2004 | CN1170422C Broadcast receiving apparatus |
| 10/05/2004 | US6802078 TV broadcast cooperative type data perusal apparatus, TV broadcast cooperative type data perusal method, and storage medium |
| 10/05/2004 | US6801779 Method and apparatus for interaction with broadcast content based upon position |
| 09/30/2004 | WO2004084557A1 Method for transmitting a user-specific program |
| 09/30/2004 | WO2004084444A1 Method and apparatus for broadcast communications |
| 09/30/2004 | WO2004084443A1 Method for remote control of an audio device |
| 09/30/2004 | WO2004084432A1 Digital broadcast receiver apparatus |