Patents
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
01/2001
01/31/2001EP1073289A2 Broadcast communication method, mobile communication system and mobile station using the broadcast communication method
01/31/2001EP1073224A2 Strategy for switching to Alternative Frequencies (AF) for Digital Radio Mondiale (DRM)
01/31/2001EP1073223A1 Transmitter and receiver
01/31/2001EP1072112A2 Hybrid and all digital fm in-band-on-channel digital audio broadcasting method and system
01/31/2001EP1072111A1 Digital broadcast system using satellite direct broadcast and terrestrial repeater
01/31/2001EP0992159A4 Ingress monitoring system
01/30/2001US6182126 Home digital audiovisual information recording and playback system
01/30/2001US6182116 Virtual WWW server for enabling a single display screen of a browser to be utilized to concurrently display data of a plurality of files which are obtained from respective servers and to send commands to these servers
01/30/2001US6181783 Data and telephone wiring terminal
01/30/2001US6181335 Card for a set top terminal
01/30/2001US6181334 Compressed digital-data interactive program system
01/25/2001WO2001006755A2 Improved stealthy audio watermarking
01/25/2001WO2001006686A2 Method and device for identifying pieces of music
01/25/2001WO2001006478A1 Method for coding congestion affecting several traffic lanes
01/25/2001DE19933970A1 Verfahren zur Codierung straßenübergreifender Verkehrsbehinderungen Method for coding road border traffic delays
01/24/2001EP1071232A1 Stereo multiplex-signal transmission with one single sideband modulation of the stereo-difference signal for frequency modulated broadcast system
01/24/2001EP1071221A1 Method to reduce the power consumption of radio receiver
01/24/2001EP1070398A1 Bidirectional broadcasting system
01/24/2001CN1281606A Signaling protocol for satellite direct radio broadcast system
01/24/2001CN1061192C Method and system for audio information dissemination using various transmission modes
01/23/2001US6178455 Router which dynamically requests a set of logical network addresses and assigns addresses in the set to hosts connected to the router
01/23/2001US6178317 System and method for mitigating intermittent interruptions in an audio radio broadcast system
01/23/2001US6178210 Method and apparatus for reducing data distortion and improving simulcast reception
01/23/2001US6178175 Circuit array and method for creating a data feedback channel from receiver to transmitter in a common frequency network
01/18/2001WO2001005153A1 Interactive service
01/18/2001WO2001005078A2 Transparent systems for communication over computer networks
01/18/2001WO2001005075A1 Improved audio watermarking with covert channel and permutations
01/18/2001WO2001005074A2 Method for preparing audio data in source code and transmitter and receiver for executing same
01/18/2001WO2000038358A3 System and method for error detection in data broadcast transmissions using a plurality of monitoring receivers
01/18/2001DE19932062A1 Verfahren zur Aufbereitung von quellcodierten Audiodaten sowie Sender und Empfänger hierzu Method for conditioning source-encoded audio data as well as transmitter and receiver for this purpose
01/17/2001EP1069715A1 Method and apparatus for data transmission
01/17/2001EP1068729A1 Targeted advertisement using television delivery systems
01/17/2001EP1068690A1 Detection of code vectors in single frequency, multiple transmitter networks
01/17/2001EP0861559A4 Multichannel radio frequency transmission system to deliver wide band digital data into independent sectorized service areas
01/17/2001CN1280699A Global access system of multi-media related information
01/17/2001CN1280446A Machine top terminal for cabled television transmission system
01/16/2001US6175684 Data transmitting apparatus for transmitting low error rate data
01/16/2001US6175628 Method and system for broadcasting/distributing digital audio and video to a television
01/16/2001US6175627 Apparatus and method for embedding and extracting information in analog signals using distributed signal features
01/11/2001WO2001003456A1 A method of transmitting data items to a number of mobile stations, a mobile station, and a storage module
01/11/2001WO2001003355A2 Transmission of diverse data using fm-sca radio broadcasting
01/11/2001WO2001003075A1 Information system for public transport and corresponding communication method
01/11/2001WO2001002968A1 Data providing system, device, and method
01/11/2001CA2376626A1 Transmission of diverse data using fm-sca radio broadcasting
01/10/2001EP1067788A2 Device and method of signal processing
01/10/2001EP1067719A1 Method to verify that an identical service is transmitted on an alternative frequency to the currently received frequency
01/09/2001US6173422 Error monitoring system for video/audio devices
01/09/2001US6173165 Receiver for RDS-TMC broadcast messages including storage device for storing control data under a code
01/09/2001US6172673 Multimedia terminal and method for realizing multimedia reception
01/04/2001WO2000057586A3 Method for transmitting supplementary programme identification data in addition to a broadcast programme, and a method for receiving and storing the identification data
01/03/2001EP1065815A2 Transmission protocol for data transmitted on a subcarrier of a frequency modulated broadcast transmission
01/03/2001EP1064741A1 Digital audio broadcasting method using puncturable convolutional code
01/03/2001EP1064740A1 Tap antenna unit
01/03/2001CN1278691A Storage for interactive video-frequency performance
01/02/2001US6169973 Encoding method and apparatus, decoding method and apparatus and recording medium
01/02/2001US6169894 Apparatus, method and system for mobile broadcast of information specific to a geographic region
01/02/2001US6169728 Apparatus and method for spectrum management in a multipoint communication system
01/02/2001US6169570 Two-way information transmission system, two-way information method, and subscriber terminal device
01/02/2001CA2168153C Transmission monitoring system and method
12/2000
12/28/2000WO2000079734A1 System and method for receiving over a network a broadcast from a broadcast source
12/28/2000WO2000079714A1 System for providing entertainment and educational services on demand to subscribers
12/28/2000WO2000079712A1 Method and apparatus for determining transmission mode and synchronization for a digital audio broadcasting signal
12/28/2000WO2000052857A3 Data distribution network and method for managing a breakdown in said network
12/28/2000DE19925925A1 Radio signal transmission method involves detecting signal quality and ID number for radio programme from radio signals and using carrier signal giving best quality
12/28/2000CA2374212A1 Method and apparatus for determining transmission mode and synchronization for a digital audio broadcasting signal
12/27/2000EP1063799A1 Measuring method for single frequency network and apparatus therefor
12/27/2000EP1063798A2 Method and apparatus for coordinating clocks in a simulcast network
12/27/2000EP1063796A2 Digital broadcasting apparatus for the transmission of additional information with a digital broadcast with adjustment of the bitrates of additional information data items
12/27/2000EP1063625A1 Traffic information system for a vehicle
12/27/2000EP1062811A1 Universal signal distribution system
12/26/2000US6167443 Entertainment and information systems and related management networks for a remote video delivery system
12/26/2000US6167235 Method and apparatus for providing additional information to a selective call device about a broadcast
12/26/2000US6167061 Transmitter, receiver, communication apparatus, communication method and communication system
12/26/2000US6167045 Method and system for receiving data packets in a unidirectional broadcasting system
12/21/2000WO2000077655A1 Internet radio receiver and interface
12/20/2000EP1061739A2 The storage of interactive video programming
12/20/2000EP0896774A4 Tv with url reception for internet access
12/20/2000CN2411627Y Wire broadcasting front-end device
12/20/2000CN1277783A Data transmitting/receiving method and its receiver
12/20/2000CN1277521A Data receiving and transmitting system and its method
12/19/2000US6163683 Broadcast data radio system and receiver apparatus therefor
12/14/2000WO2000076097A1 Method for recording and reproducing radio information and corresponding system
12/13/2000EP1059749A2 Method of receiving and reproducing a first audio signal, and of reproducing, in response to user action, a second audio signal which has been received together with the first signal
12/13/2000EP1059748A2 Soft selection combining method in a digital transmission system based on successive erasures of frequency band components
12/13/2000CN1276687A Playback of one audio while playback of another audio to respond user operation
12/13/2000CN1276686A Operating center of TV program packaging and sending system
12/13/2000CN1276685A Advanced set top terminal of cable TV sending system
12/13/2000CN1276684A Advanced set top terminal of cable TV sending system
12/13/2000CN1276683A Advanced set top terminal of cable TV sending system
12/13/2000CN1276682A Advanced set top terminal of cable TV sending system
12/12/2000US6161002 Apparatus and method for the reception of radio signals transmitted by RDS system
12/12/2000US6160989 Network controller for cable television delivery systems
12/07/2000DE19925581A1 Verfahren zur Wiegabe von Informationen und Anordnung dazu Method for Wiegabe information and arrangement to
12/06/2000EP1057335A1 Universal signal distribution system
12/06/2000EP1057293A1 Method and system for transmitting audio data together with other data, comprising addressing data, to a receiver
12/06/2000EP1057292A1 A fast frequency transformation techique for transform audio coders
12/06/2000CN1275866A Reprogrammable terminal for recommended program in television program transmission system
12/05/2000US6157809 Broadcasting system, broadcast receiving unit, and recording medium used in the broadcasting system
11/2000
11/30/2000WO2000072558A1 Transparent systems for communication over computer networks
11/30/2000WO2000072321A1 Audio watermarking with dual watermarks