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)
11/1997
11/27/1997WO1997044910A1 Broadcast receiver with integrated telephone unit
11/27/1997CA2252757A1 A communications network having a multicast capability
11/26/1997EP0809403A2 Shared hybrid fiber-coax network having reduced ingress noise
11/26/1997EP0653115B1 Polarity reversing dc power supply for remotely located equipment
11/26/1997CN1166257A Method of terrestrially transmitting digital signals
11/26/1997CN1166017A 卡拉ok装置 Ok the device
11/25/1997US5691737 System for explaining an exhibit using spectacle-type displays
11/20/1997WO1997043838A1 Utilization of a link object in a digital broadcasting system
11/20/1997DE19619815A1 Rundfunkempfänger mit integrierter Fernsprecheinrichtung Radio receiver with integrated telephone device
11/20/1997DE19617293A1 Verfahren zum Aufbau eines Transportdatenstromes Method for setting up a transport data stream,
11/19/1997EP0808041A2 Data processor for scrambling or descrambling supplementary data transmitted in a broadcast programme
11/18/1997US5689822 Wireless coupled adapter for decoding information from a broadcast signal to which a radio is tuned
11/18/1997US5689808 Multiple channel automatic simulcast control system
11/18/1997US5689804 Medium-frequency radio transmission system
11/18/1997US5689081 Network karaoke system of broadcast type having supplementary communication channel
11/13/1997WO1997042724A1 Data broadcast system with multiple-tuner receiver
11/13/1997WO1997042723A1 Process for transmitting messages by digital sound broadcasting and receiver for carrying out this process
11/13/1997WO1997037448A3 Apparatus and method for encoding and decoding supplementary data in analog signals
11/13/1997DE19630195A1 Verfahren zur Übertragung von Durchsagen mit Empfänger zur Durchführung des Verfahrens Method for transmitting announcements with receiver for performing the method
11/13/1997DE19619003A1 Multiplex transmitter for multichannel audio signals
11/13/1997CA2776347A1 Information system
11/12/1997EP0806851A2 Broadcast receiver system for a car, comprising a plurality of receivers, with decoding of supplementary data contained in the broadcast programme
11/12/1997EP0806850A2 Method for transmission of COFDM-modulated broadcast signals through a satellite system
11/12/1997CN1164942A Digital transmission system, transmitter, receiver, equivalent analog signal, and transmission method
11/12/1997CN1164801A Context-based recognition system for interactive TV and telephony
11/06/1997WO1997041691A1 Method and apparatus for combatting ingress and multipath in a catv return channel
11/06/1997WO1997041690A1 Tv with url reception for internet access
11/06/1997WO1997041656A1 Process for designing a transport data stream
11/06/1997WO1997041655A1 System and method for routing data messages through a cable transmission system
11/06/1997WO1997041654A1 Telecommunications information dissemination system
11/06/1997WO1997034275A3 Storage medium carrying geographical location data
11/06/1997CA2225727A1 Telecommunications information dissemination system
11/05/1997EP0805590A2 Broadcasting signal transmitting method and broadcasting signal receiving apparatus
11/04/1997US5684923 Methods and apparatus for compressing and quantizing signals
11/04/1997US5684918 System for integrating video and communications
11/04/1997US5684843 Data transmission system for transmitting information from a central control unit to a plurality of terminals
11/04/1997US5684799 Full service network having distributed architecture
11/04/1997US5684788 Method of providing a frame clock for data signals in a communications network and switching device of the network
11/04/1997US5684526 Response information receiving apparatus
10/1997
10/30/1997WO1997040595A1 Digital information transmission process
10/30/1997DE19715498A1 Stereo acoustic image enhancement device
10/30/1997DE19625219C1 Propagation time difference compensation device esp. for digital transmissions
10/29/1997EP0804012A2 Multimedia terminal and method for realising multimedia reception
10/29/1997EP0804000A2 RDS signal detection device
10/29/1997EP0803155A1 An adaptor card providing conditional access
10/29/1997EP0803110A1 Audiovisual distribution system
10/29/1997EP0561917B1 Process for transmitting additional information with an a.m. radio signal
10/29/1997CN1163539A Receiving equipment and method, transmitting equipment and method, transmit-receive equipment and method
10/28/1997US5682461 Method of transmitting or storing digitalized, multi-channel audio signals
10/28/1997US5682431 FM stereo broadcasting apparatus and method
10/28/1997US5682195 Digital cable headend for cable television delivery system
10/23/1997WO1997039579A1 Process for playing back additional information contained in a television or radio broadcast signal
10/23/1997WO1997039544A1 Method for digital broadcasting over the commercial fm band
10/23/1997WO1997039543A2 Link delay calculation system for a radio repeater system
10/23/1997WO1997039542A2 Simultaneous broadcast management system
10/23/1997WO1997039541A1 Transmit control system using control tone signalling
10/23/1997WO1997039540A1 Broadcasting system
10/23/1997WO1997039539A1 Interactive game device comprising a broadcast information receiver, particularly a radio
10/23/1997WO1997039538A1 Interactive information receiver, in particular an interactive radio and interactive information transmission method
10/23/1997WO1997039535A2 Bandwidth management system for a remote repeater network
10/23/1997DE19615843A1 Verfahren zur digitalen Übertragung von Informationen For the digital transmission of information
10/22/1997EP0801868A1 Method for the adaptive assignment of the transmission capacity of a transmission channel
10/22/1997EP0801855A1 Audio signal identification using digital labelling signals
10/22/1997EP0755607A4 Apparatus and method for accessing broadcast information
10/16/1997WO1997038507A1 A transmission system for digital audio broadcasting
10/16/1997WO1997038494A1 Encoding apparatus for encoding a plurality of information signals
10/16/1997WO1997038493A1 Encoding of a plurality of information signals
10/16/1997DE19629773C1 Sound and video signal apparatus control system for various rooms of dwelling
10/15/1997EP0801476A2 Method for the reception and the evaluation of RDS-data streams of a plurality of transmitters
10/15/1997EP0800730A1 Method for the dynamic reconfiguration of a time-interleaved signal, and corresponding receiver and signal
10/15/1997EP0800728A1 Transmitting and displaying on a receiver information describing broadcast programs
10/15/1997EP0712564B1 Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
10/15/1997CN2265037Y Multi-functional digital matrix broadcast controller
10/15/1997CN1162226A Method for effectively conducting data communication
10/14/1997US5678193 Determination of an initial launch time in a simulcast communication system
10/14/1997US5678172 For communicating in two-way interactive broadcast data service
10/14/1997US5677994 High-efficiency encoding method and apparatus and high-efficiency decoding method and apparatus
10/14/1997US5677905 Access subnetwork controller for video dial tone networks
10/09/1997WO1997037454A1 Apparatus and method for spectrum management in a multipoint communication system
10/09/1997WO1997037449A1 Digital audio data transmission system based on the information content of an audio signal
10/09/1997WO1997037448A2 Apparatus and method for encoding and decoding supplementary data in analog signals
10/09/1997WO1997037447A1 Paging service using broadcasting
10/09/1997DE19625322A1 RDS car radio with CD or tape playback
10/09/1997DE19614778A1 Mobile radio receiver for audio and video signals
10/08/1997EP0800290A2 Near on-demand digital information delivery system and method using signal fragmentation and sequencing to reduce average bandwidth and peak bandwidth variability
10/08/1997EP0800289A2 A transmission system for digital audio broadcasting
10/08/1997EP0800288A2 A transmission system for digital audio broadcasting
10/08/1997EP0800287A2 A transmission system for digital audio broadcasting
10/08/1997EP0799753A2 Method and device for locating vehicles
10/08/1997EP0799538A1 Scrambled information transmitting and receiving
10/07/1997US5675575 Method and apparatus for communicating different types of data in a data stream
10/07/1997US5675511 Apparatus and method for event tagging for multiple audio, video, and data streams
10/02/1997WO1997036404A1 In-home communication system
10/02/1997WO1997036392A1 Combination of a star optical network and a passive optical network
10/02/1997WO1997036390A1 Block spectrum receiver for a broadband communications system
10/02/1997WO1997036388A1 Control channel synchronization between dbc and cellular networks
10/02/1997DE19630395C1 Electrical mute control circuit for audio signal
10/02/1997CA2250094A1 Control channel synchronization between dbc and cellular networks
10/02/1997CA2249379A1 In-home communication system
10/01/1997EP0798923A2 Video transmission and control system utilizing internal telephone lines
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