| Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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| 03/13/2002 | EP1187380A2 Method and system for on-demand transmission of broadcast data to mobile receivers using unused transmission channels in a wireless cellular communication system |
| 03/13/2002 | EP1187378A2 Method and apparatus for determining the reception quality of digital broadcast programmes |
| 03/13/2002 | EP1187347A1 Receiving device and receiving method |
| 03/13/2002 | EP0667069B1 Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base stations |
| 03/13/2002 | CN2482282Y Public address system panel of wire broadcasting |
| 03/13/2002 | CN2482281Y Public broadcasting apparatus |
| 03/13/2002 | CN1339921A Multiway transmission device and method, image output device and method and its recording medium |
| 03/13/2002 | CN1080961C Radio receiver for information dissemination using subcarrier |
| 03/12/2002 | US6356939 Interactive theater and feature presentation system |
| 03/12/2002 | US6356870 Method and apparatus for decoding multi-channel audio data |
| 03/12/2002 | US6356737 Terrestrial communication system using satellite transmission techniques |
| 03/12/2002 | US6356555 Apparatus and method for digital data transmission using orthogonal codes |
| 03/12/2002 | CA2234129C Two-way communication system, and delay and transmission level setting methods |
| 03/07/2002 | WO2002019622A2 Messaging in multicast networks |
| 03/07/2002 | WO2002019584A1 Multiplexer, receiver, and multiplex transmission method |
| 03/07/2002 | WO2002019581A1 Targeted advertising at the set top box |
| 03/07/2002 | WO2002019580A1 Device for routing digital data flows and in particular for routing packet transmission data flows |
| 03/07/2002 | WO2002019578A2 Method for presenting information that is stored in a computer, whereby supplementary information is transmitted to the computer via a radio signal |
| 03/07/2002 | WO2002019237A1 System and method for collecting demographics from and delivering banner advertisements to a plurality of subscribers |
| 03/07/2002 | WO2002019149A2 System and method for public participation in space missions |
| 03/07/2002 | WO2001058063A3 A method of labelling a multi-frequency signal such as an audio or a video signal |
| 03/07/2002 | WO2001028260A3 Method of identifying signal by accessing at least one database to obtain information about the signal source |
| 03/07/2002 | US20020029390 System for searchng TV program data via the internet |
| 03/07/2002 | US20020029386 Method of broadcasting data for programming a receiver |
| 03/07/2002 | US20020029291 Active requesting of information for psuedo-live performance |
| 03/07/2002 | US20020029089 Receiving device, data broadcast receiving system, content accessing method, and program thereof |
| 03/07/2002 | US20020028680 System, method and computer program product for wireless data transmission over conventional television frequency bands |
| 03/07/2002 | US20020028676 Information communication terminal apparatus |
| 03/07/2002 | US20020028658 Broadcast type service system using bluetooth type radio network |
| 03/07/2002 | US20020028653 Exciter system and method for communications within an enclosed space |
| 03/07/2002 | US20020028000 Content identifiers triggering corresponding responses through collaborative processing |
| 03/07/2002 | US20020027512 Broadcasting system, broadcast receiving hardware systems, and navigation terminal |
| 03/07/2002 | US20020027511 Broadcasting system, broadcast receiving hardware systems, and navigation terminal |
| 03/06/2002 | EP1185019A2 Frequency multiplexing |
| 03/06/2002 | EP1185012A2 Broadcast system using a bluetooth radio communications network |
| 03/06/2002 | EP0746941B1 Interactive television security through transaction time stamping |
| 03/05/2002 | US6353930 Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasters |
| 03/05/2002 | US6353637 Multistream in-band on-channel systems |
| 03/05/2002 | US6353606 System and method for modeling simulcast delay spread and optimizing launch delays |
| 02/28/2002 | WO2002017615A2 Terrestrial digitial multimedia/television broadcasting system |
| 02/28/2002 | WO2002017524A1 Digital broadcast system |
| 02/28/2002 | WO2002017523A2 System and method relating to broadcast bandwidth |
| 02/28/2002 | WO2001091344A3 Method for transmitting multimedia information elements |
| 02/28/2002 | WO2001059964A3 Distribution of media data using low-level objects and locator tables containing information about the low level objects |
| 02/28/2002 | US20020026644 Information distribution apparatus |
| 02/28/2002 | US20020026638 Internet-based electronic program guide advertisement insertion method and apparatus |
| 02/28/2002 | US20020025777 Information distributing method, information receiving method, information distribution system, information distribution apparatus, reception terminal and storage medium |
| 02/28/2002 | CA2420367A1 A system and method for relating to broadcast bandwidth |
| 02/27/2002 | EP1182890A2 Multiplexing apparatus and method, image output apparatus and method, and recording medium |
| 02/27/2002 | EP1182883A2 Information processing apparatus and method and recording medium |
| 02/27/2002 | EP1182881A2 Method and apparatus for transmiting broadcast programs, digital broadcast receiver, digital broadcast recorder, digital broadcast recorder/player |
| 02/27/2002 | EP1182879A2 Communication system |
| 02/27/2002 | EP0829075B1 Process and electronic device for conveying regionally applicable radio information to a driver or passengers in a motor vehicle |
| 02/27/2002 | EP0617864B1 Spread-spectrum data publishing system |
| 02/27/2002 | EP0613600B1 Transaction based interactive television system |
| 02/26/2002 | US6351728 Error concealment in digital transmissions |
| 02/26/2002 | US6351727 Error concealment in digital transmissions |
| 02/26/2002 | US6351500 AM- compatible digital broadcasting method and system |
| 02/21/2002 | WO2002015596A1 Broadcast confirmation system, broadcast confirmation device and method, recorded medium where broadcast confirmation program is recorded |
| 02/21/2002 | WO2002015448A1 Quality of service method and apparatus for received programs |
| 02/21/2002 | WO2002015447A1 Data transfer method and mobile server |
| 02/21/2002 | WO2002015068A1 Broadcast using method, receiver, mobile terminal, and service providing device |
| 02/21/2002 | WO2001069868A3 Data transmission management system |
| 02/21/2002 | US20020023264 Broadcast network |
| 02/21/2002 | US20020023263 Advertising system using E-coupon data broadcasting and method therefor |
| 02/21/2002 | US20020023092 Information delivery system, information delivery apparatus, receiver apparatus, and information delivery method |
| 02/21/2002 | US20020022476 Display screen of a cellular telephone to be used as a digital advertising system |
| 02/21/2002 | US20020022462 Broadcast receiver |
| 02/21/2002 | US20020022461 Radio reception system with automatic tuning |
| 02/21/2002 | US20020021809 Receiver |
| 02/21/2002 | US20020021768 Digital broadcast receiving apparatus |
| 02/21/2002 | DE10039533A1 Select code registration device and radio select method allows selection and recording of required television, radio, or teleinformation transmissions |
| 02/20/2002 | EP1180863A2 Method and apparatus for the processing of digital broadcast signals, whereby position information collected by a satellite Global Positioning System (GPS) is multiplexed on a digital broadcast signal |
| 02/20/2002 | EP1180862A1 Broadcast receiver that is turned on automatically in accordance with a schedule of a transmitted service |
| 02/20/2002 | CN1337103A Information distribution system, mobile communication terminal, and information distribution method |
| 02/20/2002 | CN1336736A Digital broadcast receiving arrangement, and method for receiving digital broadcast using same |
| 02/19/2002 | US6349409 Information distribution and processing apparatus being connected to a local display |
| 02/19/2002 | US6349329 Coordinating delivery of supplemental materials with radio broadcast material |
| 02/14/2002 | WO2002013073A1 Method of distributing electronic tokens to enable a consumer to pay for an item |
| 02/14/2002 | WO2002013058A2 Method of and apparatus for broadcasting databases |
| 02/14/2002 | US20020019988 Image processing apparatus and method, and recording medium |
| 02/14/2002 | US20020019987 Apparatus and method for an enhanced PCS communication system |
| 02/13/2002 | EP1179203A1 Method for compensating the digital watermarking distortion on a multimedia signal |
| 02/13/2002 | CN1335560A Image processing apparatus and method, and recording medium |
| 02/12/2002 | US6347215 Information distribution and processing system |
| 02/12/2002 | US6347146 Noise reducing |
| 02/12/2002 | US6347122 Optimal complement punctured convolutional codes for use in digital audio broadcasting and other applications |
| 02/07/2002 | WO2002011471A1 On-demand information service using wireless cellular communications system |
| 02/07/2002 | WO2002011451A1 Video/audio/data distribution architecture |
| 02/07/2002 | WO2002011448A1 Information accessing device and method and information providing device and method |
| 02/07/2002 | WO2002011347A2 Exploiting a broadcast system to enhance a wireless gaming experience |
| 02/07/2002 | WO2002011330A1 Method and apparatus for providing additional information about a broadcast |
| 02/07/2002 | WO2002011329A1 A wireless terminal for receiving information from a broadcasting system, displaying broadcast information and initiating a bi-directional communication link with a computer network |
| 02/07/2002 | WO2002011328A1 Digital broadcasting system |
| 02/07/2002 | WO2002011327A2 Data providing system, method and computer program |
| 02/07/2002 | WO2002011326A2 Stegotext encoder and decoder |
| 02/07/2002 | WO2002011325A2 Audio data transmission system and method of operation thereof |
| 02/07/2002 | WO2001067655A3 Method for recording information that is transmitted via a radio frequency |
| 02/07/2002 | WO2001065720A3 Data distribution system and method, and electric equipment to be used therefor |
| 02/07/2002 | US20020016185 Information distribution system, information receiving apparatus, information list forming method, information deleting method, and information storing method |