Patents
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
01/2003
01/02/2003US20030005052 Networked broadcasting system with provision for the addition of advertisements or messages
01/02/2003US20030004884 Receiving apparatus and method, information distribution method, filtering and storing program, and recording medium
01/02/2003US20030004589 Watermarking
01/02/2003US20030003990 Evaluation of responses of participatory broadcast audience with prediction of winning contestants; monitoring, checking and controlling of wagering, and automatic crediting and couponing
01/02/2003US20030003899 Data broadcasting system, receiving terminal device, contents providing server, and contents providing method
01/02/2003US20030002682 Wireless audio/mechanical vibration transducer and audio/visual transducer
01/02/2003US20030002680 Broadcast reception device and contract management device using common master key in conditional access broadcast system
01/02/2003US20030002679 Broadcast reception device and contract management device using common master key in conditional access broadcast system
01/02/2003US20030002598 Receiving device and receiving method
01/02/2003US20030002536 Transportable identifier and system and method to facilitate access to broadcast data
01/02/2003US20030001965 System and method for coordinating communications network advertising material
01/02/2003EP1271818A1 System and method for the transmission of an audio or voice signal
01/02/2003EP1271816A2 Method for performing a frequency search in a radio receiver
01/02/2003EP1271780A2 Method and device for the identification of transmitters that broadcast the same program contents
01/02/2003EP1269669A2 System and method for adding an inaudible code to an audio signal and method and apparatus for reading a code signal from an audio signal
01/02/2003EP0864211A4 Telecommunications information dissemination system
01/02/2003EP0654201B2 Process and device for a microcellular common-channel radio system
01/01/2003CN1389066A Storage-type broadcast service system and reception storage unit
01/01/2003CN1389034A Transmission system, receiver, and broadcast system
01/01/2003CN1388978A Data transfer method and mobile server
01/01/2003CN1388932A Broadcast using method, receiver, mobile terminal, and service providing device
01/01/2003CN1388665A System information band spreading transmission method for digital surface broadcast
01/01/2003CN1097972C Device for transmitting paging data and method thereof
12/2002
12/31/2002US6501938 Satellite broadcasting system and broadcasting satellite
12/31/2002US6501770 Dynamic mapping of broadcast resources
12/27/2002WO2002104037A1 System and apparatus for displaying substitute content
12/27/2002WO2002104029A1 Information providing system, broadcast reception apparatus, and server apparatus
12/27/2002WO2002104024A1 An intelligent device system and method for distribution of digital signals on a wideband signal distribution system
12/27/2002WO2002104020A1 Advertisement swapping using an aggregator for an interactive television system
12/27/2002WO2002104001A2 Method of substituting content during program breaks
12/27/2002WO2002104000A2 Aggregation & substitution of user-specified content
12/27/2002WO2002045433A3 Interactive television application with research features
12/27/2002WO2002043382A8 Method and broadcasting system for broadcasting a television commercial
12/27/2002WO2002021738A3 Method and system for transferring data from and to the internet by using a communication network and a radio system
12/26/2002US20020199209 Method and system for controlling interlock of interactive service with data broadcasting
12/26/2002US20020198703 Method and system for verifying derivative digital files automatically
12/26/2002US20020196363 Signal processing apparatus and method, recording medium and program
12/25/2002CN1097394C Context-based interactive real time information recognition system and method
12/25/2002CN1097352C Radio data communication device
12/25/2002CN1097351C RDS-TMC broadcast receiver
12/24/2002US6498960 Receiver for digital audio broadcast
12/19/2002WO2002102089A1 System for supervision of digital equipment and input and output signals thereof
12/19/2002WO2002067537A3 Data streaming system substituting local content for unicasts
12/19/2002WO2002028781A8 Apparatus and process for extracting and recovering metals from aqueous solutions
12/19/2002US20020194614 Transmission apparatus using catv network
12/19/2002US20020194595 Aggregation & substitution of user-specified content
12/19/2002US20020194593 Method of substituting content during program breaks
12/19/2002US20020194592 System & apparatus for displaying substitute content
12/19/2002US20020194364 Aggregate information production and display system
12/19/2002US20020194254 Method and system for providing and utilizing total package program with advertisement
12/19/2002US20020191634 Site delivery method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast
12/19/2002DE10105468A1 Method for transmission of coded TMC-messages in road traffic message transmission system, involves sending an event code in a first sequence
12/19/2002CA2389784A1 System and procedure for transmitting an audio or voice signal
12/18/2002EP1267578A2 Distribution of digital satellite based television, radio- and data services
12/18/2002EP1267505A1 Transmission device, reception device, service determining device, service providing system, and service providing method
12/18/2002EP1266523A1 Producing system of interactive television program
12/18/2002EP1266469A1 Use of voice-to-remaining audio (vra) in consumer applications
12/18/2002EP0669070B1 Program signal identification data collector
12/18/2002CN1386342A 数字广播系统 The digital broadcast system
12/18/2002CN1386341A Multimedia monitoring by combining watermarking and characteristic signature of signal
12/18/2002CN1386340A Information providing system and device constituting the same
12/18/2002CN1386333A 节目提供系统 Program provides system
12/18/2002CN1386225A Receiving/storing device, transmission device, baoadcasting system, receiving/storing method, transmission method, baoadcasting method, programme and medium
12/18/2002CN1096796C Two-way interctive television system and method
12/17/2002US6496982 Device and method relating to cable TV networks
12/12/2002WO2002100072A2 Method and apparatus of interactive broadcasting platform with host-triggered timing mechanism for video-centric presentation in a broadcast environment
12/12/2002WO2002099789A1 Digital audio playback using local stored content
12/12/2002WO2002099727A2 Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator
12/12/2002WO2002003584A3 Head end device for use in a hierarchical broadband broadcast network, and method and system for transmitting content data in a hierarchical network
12/12/2002US20020188844 Joint subscriber management system and receiving terminal
12/12/2002US20020188746 System and method for audience measurement
12/12/2002US20020187759 System for transmitting digital signals with FM signals
12/12/2002US20020186328 Broadcasting receiver with automatic audio selection function
12/12/2002US20020186327 Digital broadcasting receiver
12/12/2002DE10116549A1 Telephone system has controller that allows use for radio and video as well as other house based functions
12/12/2002DE10114035A1 Verfahren zum Versenden von digitalen Rundfunksignalen A method for sending digital broadcast signals
12/11/2002EP1265387A1 Program receiver and accumulation broadcast charging device
12/11/2002EP1265386A1 Broadcast transmitter
12/11/2002EP1265385A1 Broadcasting information receiving device and broadcasting information receiving method
12/11/2002EP1264428A2 Method for recording information that is transmitted via a radio frequency
12/11/2002CN1385030A Advertising method using digital file and using telephone receiver for digital motion picture advertisement
12/11/2002CN1384622A Accumulation-type data broadcast system and its sending and receiving equipment and method
12/10/2002US6493877 Digital data distribution system having a reduced end station memory requirement
12/10/2002US6493873 Transmodulator with dynamically selectable channels
12/10/2002US6493362 Data recording method and data recording system
12/05/2002WO2002098028A2 Method and arrangement for digital transmission using am emitters
12/05/2002WO2002054639A3 System and method for broadcasting advertisements
12/05/2002WO2002001771A3 Catv network capable of transmitting data signals
12/05/2002WO2002001770A3 Catv network capable of transmitting data signals
12/05/2002US20020184567 Storage data broadcast system, and transmitting apparatus, receiving apparatus, method, recording medium, or program therefor
12/05/2002US20020184503 Watermarking
12/05/2002US20020184339 System and method for coordinating supplemental materials with broadcast material
12/05/2002US20020184205 Keyword creation method and its apparatus
12/05/2002US20020184039 Radio content browser
12/05/2002US20020184037 Method and apparatus for digital audio playback using local stored content
12/05/2002DE10127571A1 Verfahren und Anordnung für digitale Übertragung mit AM-Sendern Method and apparatus for digital transmission with AM stations
12/05/2002DE10124828A1 Road traffic information transmission system for use by deaf drivers includes Radio Data System decoder producing Traffic Message Channel signal
12/04/2002EP1263224A1 Method and device for controlling reproduction of advertisement
12/04/2002EP1262071A2 Method and system for transmitting digital audio and/or video files
12/04/2002EP1149481B1 Repeater system and method of receiving a modulated input signal and transmitting a modulated output signal