Patents
Sitemap › H04 - Electric communication technique › H04H - Broadcast communication › H04H 20 - Arrangements for broadcast or for distribution combined with broadcast
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
04/1998
04/09/1998WO1998015076A1 Receiver for data broadcasting system
04/09/1998WO1998015075A2 Telematic device for a motor vehicle with car radio, position fixing system and radio telephone
04/08/1998EP0835004A1 A circuit device for reproduction of sound broadcasting signals comprising supplementary code signals
04/08/1998EP0834227A1 Method and system for receiving data packets in a unidirectional broadcasting system
04/07/1998US5737363 Low power output subscriber unit
04/07/1998US5736943 Method for determining the type of coding to be selected for coding at least two signals
04/02/1998WO1998013963A1 A multiplicity of services via a wavelength division router
04/02/1998DE19638515A1 Information provision method for motorway traffic
04/02/1998DE19638482A1 Verfahren zur Auswahl einer Sendefrequenz A method for selecting a transmission frequency
04/01/1998EP0833511A2 A broadcasting system and an information broadcast receiving terminal apparatus used therein
04/01/1998EP0833468A2 Receiver for receiving mulliplexed broadcast programmes, comprising audio data and supplementary broadcast data
04/01/1998EP0833261A2 Information service receiving apparatus, information service providing apparatus
04/01/1998EP0832528A1 Reverse path allocation and contention resolution scheme for a broadband communications system
04/01/1998EP0832525A2 Communication system for superimposing data onto a video signal
04/01/1998EP0832463A1 An improved periodic wireless data broadcast
04/01/1998EP0746942B1 Downstream control of electronic billboard
03/1998
03/31/1998US5734975 Direct-coupled signaling receiver with PL/DPL detector
03/31/1998US5734961 Method and apparatus for transmitting information recorded on information storage means from a central server to subscribers via a high data rate digital telecommunications network
03/31/1998US5734853 Set top terminal for cable television delivery systems
03/31/1998US5734413 Transaction based interactive television system
03/26/1998WO1998012837A1 Information distribution system
03/26/1998WO1998012827A1 Multichannel spectral mapping audio apparatus and method
03/26/1998WO1998012826A1 Signalling method and transmitter used in a digital radio system
03/26/1998WO1998012823A1 Method and apparatus for providing control channel communications for an information distribution system
03/26/1998WO1998012811A1 Method of selecting a transmit frequency
03/26/1998WO1998005138A3 Testing facility for a broadband communications system
03/25/1998EP0831610A1 Interactive electronic messaging system
03/25/1998EP0831608A2 Programmable radio subscription system for receiving selectively defined information
03/25/1998EP0831607A2 Wireless receiving system, in particular broadcast receiving system for receiving supplementary multiplexed broadcast information, using a double tuner system
03/25/1998EP0831606A2 Method of transmitting a broadcast signal, such as a videosignal, comprising a main signal and a supplementary signal relevant for limited area, and transmitting apparatus and receiving apparatus therefor
03/25/1998EP0830786A1 Switched channel system
03/25/1998EP0830756A1 Asymmetric hybrid access system and method
03/25/1998EP0750811B1 Process for coding a plurality of audio signals
03/25/1998CN1177242A Information receiving system and information receiving method using such system
03/24/1998US5732386 Digital audio encoder with window size depending on voice multiplex data presence
03/24/1998US5732324 Digital radio system for rapidly transferring an audio program to a passing vehicle
03/19/1998WO1998011686A2 Combined digital audio/video on demand and broadcast distribution system
03/19/1998WO1998011685A2 Combined digital audio/video on demand and broadcast distribution system
03/19/1998WO1998011684A1 System and method for capturing internet access information
03/19/1998WO1998005136A3 Radio receiver with a memory for transmission frequencies and codes associated to said frequencies
03/18/1998EP0829989A2 Method for transmission and reception of digital multiplexed multi-carrier signals, transmission apparatus and receiving apparatus therefor
03/18/1998EP0829977A2 RDS-TMC radio receiver for processing specific regional and transregional road region notations
03/18/1998EP0829837A1 Method to select traffic information according to a specific route and reception device to run the method
03/18/1998EP0829148A2 A system for transferring data in re-assignable groups, a transmitter and a receiver for use in such a system, and a method for transferring, transmitting and receiving such data, and a signal comprising such data
03/18/1998EP0829145A1 Data broadcasting system using the human ear properties
03/18/1998EP0829075A1 Process and electronic device for conveying regionally applicable radio information to a driver or passengers in a motor vehicle
03/18/1998CN1176464A Recording apparatus for recording receiving information
03/17/1998US5729825 Television distribution system and method using transmitting antennas on peripheries of adjacent cells within a service area
03/17/1998US5729549 Simulcasting digital video programs for broadcast and interactive services
03/17/1998US5729281 Catv system in which chanel selection signal is transmitted from the subscriber location
03/12/1998WO1998004048A3 Transmission of digital and analog signals in the same band
03/11/1998EP0828390A2 Dynamic mapping of broadcast resources
03/11/1998EP0828388A2 FM teletex broadcast receiver
03/11/1998EP0827669A1 Logical and composite channel mapping in an mpeg network
03/11/1998CN1176036A Information transmission/reception system
03/10/1998US5726909 Continuous play background music system
03/10/1998US5725383 Data transmission system
03/05/1998WO1997044921A3 Method and apparatus for communicating information using a data tuner
03/05/1998WO1997027550A3 Communication system with multicarrier telephony transport
03/05/1998DE19635104A1 Audio and video apparatus with parameter adjustment mechanism
03/04/1998EP0826287A1 Compressed digital-data interactive program system
03/04/1998EP0826206A2 Storage medium carrying geographical location data
03/04/1998CN1175333A Simulcast resynchronisation improvement using global positioning system
03/04/1998CN1175332A Method for avoiding interference in a cable telephony system
03/04/1998CN1175331A Circuit array and process for creating a data feedback channel from receier to transmitter in a common frequency network
03/03/1998US5724662 Method an apparatus in a radio communication system for assigning and utilizing sets of transmitters
03/03/1998US5724644 Method of and receiver for processing and reproducing a message
03/03/1998US5724525 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television system
03/03/1998US5724357 Wireless method
03/03/1998US5724091 In an interactive television system
02/1998
02/26/1998WO1998008195A1 Process and receiver for transmission of data for road tolls and a corresponding receiver
02/26/1998WO1998007485A2 Interactive broadcasting systems
02/26/1998DE19634340A1 Verfahren und Empfänger zur Übermittlung von Informationen für Straßennutzungsgebühren und Empfänger Method and receiver for transmitting information for road tolls and receiver
02/25/1998EP0825736A2 Simultaneous communication of analog frequency-modulated and digitally modulated signals using precanceling
02/25/1998EP0825735A2 Method for the synchronisation of transmitter cells for common wave transmission and transmitter station therefor
02/25/1998EP0824800A1 Apparatus for multi-rate simulcast communications
02/25/1998CN1174638A Rodio broadcasting system, transmitter and receiver for use in such a system, radio broadcasting method and radio broadcasing signal
02/25/1998CN1174637A System for transferring data in re-assignable groups, transmitter and receiver for use in such a system, and method for transferring, transmitting and receiving such data
02/24/1998US5722081 Dynamic queuing system based on GPS
02/24/1998US5722050 Transmitter-receiver system for use in an audio equipment
02/24/1998US5722047 Receiver for receiving multiplexed text broadcasts
02/24/1998US5721778 Digital signal transmitting method, digital signal receiving apparatus, and recording medium
02/24/1998US5721584 Two-way broadcast system and receiving system
02/19/1998WO1998007242A1 A system for the transmission and reception of directional radio signals utilizing the gigahertz implosion concept
02/19/1998WO1998001968A3 Annunciator system with mobile receivers
02/19/1998DE19633172A1 Free frequency capacity determination method for VHF transmission network
02/19/1998DE19632791A1 Verfahren und Vorrichtung zur Rundfunkübertragung Method and apparatus for broadcasting
02/18/1998CN1173791A Method and apparatus in radio communication system for assigning and utilizing sets of transmitters
02/17/1998US5719937 Multi-media copy management system
02/17/1998US5719872 Reverse path allocation and contention resolution scheme for a broadband communications system
02/17/1998US5719867 Plural telephony channel baseband signal demodulator for a broadband communications system
02/12/1998WO1998006218A1 Television distribution system for signal substitution
02/12/1998WO1998006193A1 Improved system for collecting data concerning transmitted material
02/12/1998DE19633519A1 Spread=spectrum signal transmission method
02/12/1998CA2267405A1 Improved system for collecting data concerning transmitted material
02/11/1998EP0823823A2 Digital broadcasting system
02/11/1998EP0823794A1 Ofdm system and ofdm apparatus
02/11/1998EP0823709A1 Automatic recording apparatus in accordance with character information
02/11/1998EP0823156A1 Method and apparatus for determining desired reception frequency using broadcaster information
02/11/1998EP0823155A1 Compact graphical interactive broadcast information system
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