| Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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| 01/26/1999 | US5864579 Digital radio satellite and terrestrial ubiquitous broadcasting system using spread spectrum modulation |
| 01/26/1999 | US5864546 System for formatting broadcast data for satellite transmission and radio reception |
| 01/22/1999 | CA2243770A1 Digital broadcast receiving device |
| 01/21/1999 | WO1999003222A1 Apparatus and method for supporting the use of multiple modulation systems simultaneously on terrestrial distribution networks |
| 01/21/1999 | WO1999003216A1 Rebroadcasting communication system |
| 01/21/1999 | WO1999003103A1 Device for inputting title of recording medium |
| 01/21/1999 | WO1998048519A3 Satellite broadcast receiving and distribution system |
| 01/21/1999 | WO1998035495A3 Multichannel television sound stereo and surround sound encoder |
| 01/21/1999 | CA2295673A1 Apparatus and method for supporting the use of multiple modulation systems simultaneously on terrestrial distribution networks |
| 01/21/1999 | CA2295559A1 Rebroadcasting communication system |
| 01/20/1999 | EP0892514A2 Method for selecting digital traffic messages |
| 01/20/1999 | EP0892513A2 Broadcast receiver for the reception of supplementary data transmitted with the broadcast programme |
| 01/20/1999 | EP0891685A1 Triggering a measurement process for evaluating the quality of audio and/or speech signals |
| 01/19/1999 | US5862451 In a communications system |
| 01/19/1999 | US5862235 Multiple broadcast channel transmitter arrangment |
| 01/19/1999 | US5862226 Automatic mode detection in digital audio receivers |
| 01/19/1999 | US5862189 Receiver for receiving a transmission signal |
| 01/19/1999 | US5862104 Recording a complete broadcast program by selecting from a displayed program text |
| 01/19/1999 | US5861881 Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers |
| 01/13/1999 | EP0890236A1 A communications network having a multicast capability |
| 01/13/1999 | EP0890231A1 Block spectrum receiver for a broadband communications system |
| 01/13/1999 | CN1205136A Transmission of digital and analog signals in the same band |
| 01/12/1999 | US5859876 Method and apparatus for improving AM compatible digital broadcast analog fidelity |
| 01/12/1999 | US5859852 For achieving a network connection in an asymmetric network system |
| 01/12/1999 | US5859826 Information encoding method and apparatus, information decoding apparatus and recording medium |
| 01/12/1999 | US5859661 Technique for reducing overload in a shared transmission network |
| 01/12/1999 | US5857861 Switchable or automatically terminating connecting device and combination thereof |
| 01/12/1999 | CA2141322C Method and apparatus for providing power to a coaxial cable network |
| 01/12/1999 | CA2114653C Method and apparatus for broadband transmission from a central office to a number of subscribers |
| 01/07/1999 | WO1999000981A1 Ingress monitoring system |
| 01/07/1999 | WO1999000920A1 Method for searching for useable transmission frequencies for television and radio broadcasting systems |
| 01/07/1999 | WO1998046006A3 System and method for interfacing mpeg-coded audiovisual objects permitting adaptive control |
| 01/07/1999 | WO1998026529A3 Interactive service device metering systems |
| 01/07/1999 | EP0889609A1 Adaptive protocol and network for broadband audio-video distribution for mobile radio receiver |
| 01/07/1999 | EP0888672A1 Apparatus and method for spectrum management in a multipoint communication system |
| 01/07/1999 | EP0852785A4 Message output controller and system |
| 01/07/1999 | EP0647377B1 Process and device for identifying a programme information |
| 01/07/1999 | CA2294000A1 Ingress monitoring system |
| 01/05/1999 | US5857149 Multibroadcast receiver for extracting desired broadcast information based on an identification code |
| 12/30/1998 | EP0886967A1 Two-way interactive television system |
| 12/30/1998 | EP0886923A1 Process and system for the ofdm multi-carrier transmission of digital radio signals |
| 12/29/1998 | USRE36017 Cellular digital mobile radio system and method of transmitting information in a digital cellular mobile radio system |
| 12/29/1998 | US5854793 GPS synchronization of CTS transmitters for an interactive network |
| 12/23/1998 | WO1998058494A2 System for the bidirectional communication of voice and data through a distribution network |
| 12/23/1998 | EP0886383A1 Broadcast system for tourist sites |
| 12/22/1998 | US5852612 In a reception area |
| 12/17/1998 | WO1998057455A1 System and method for transmission of audio signals to remote locations using a power line carrier |
| 12/16/1998 | EP0884907A1 Caller indentification system for television |
| 12/16/1998 | EP0883946A1 Video pedestal network |
| 12/16/1998 | EP0883939A1 Simultaneous transmission of ancillary and audio signals by means of perceptual coding |
| 12/16/1998 | EP0820665B1 Analog spread spectrum wireless speaker system |
| 12/16/1998 | EP0753225B1 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media |
| 12/16/1998 | EP0606341B1 Method and apparatus for automatically identifying a program including a sound signal |
| 12/16/1998 | CN1202295A Multichannel radio frequency transmission system to deliver wide band digital data into independent sectorized service areas |
| 12/16/1998 | CN1202072A Digital broadcasting method and apparatus and reproducing apparatus |
| 12/15/1998 | US5850610 Method and apparatus for providing zoned communications |
| 12/15/1998 | US5850605 Method and apparatus for dynamically grouping transmitters for message transmission in a communication system |
| 12/15/1998 | US5850456 Apparatus for encoding multiple digital information signals |
| 12/15/1998 | US5850415 In-band on-channel digital broadcasting |
| 12/15/1998 | US5850400 System, method, and apparatus for bidirectional transport of digital data between a digital network and a plurality of devices |
| 12/15/1998 | US5850249 Receiver monitoring system with local encoding |
| 12/10/1998 | WO1998056106A2 Method and apparatus for improving classroom amplification systems and other rf-type amplification systems |
| 12/10/1998 | DE19723497A1 Radio network especially for paging systems |
| 12/09/1998 | EP0883258A2 Shortwave transmitter system with audio signal feed via an analog telephone connection |
| 12/09/1998 | EP0883257A2 Data broadcasting system via FM channels using frequency multiplexing |
| 12/09/1998 | EP0882361A1 Wideband signal distribution system |
| 12/09/1998 | EP0882337A1 Voice messaging system and method making efficient use of orthogonal modulation components |
| 12/09/1998 | EP0882336A1 System for connecting a packet data network to a digital radio network |
| 12/09/1998 | EP0882335A1 Transmission protocol for file transfer in a dab system |
| 12/09/1998 | CN1201319A Low-cost information-providing method and information-providing system using same |
| 12/09/1998 | CN1201301A Radio data-transmission equipment |
| 12/08/1998 | US5848354 System for transmitting data in packets |
| 12/08/1998 | US5848352 Compact graphical interactive information system |
| 12/08/1998 | US5848070 Multiframe structure and handling protocol for a telecommunication network |
| 12/08/1998 | US5847660 Method for avoiding interference in a cable telephony system |
| 12/03/1998 | WO1998054902A1 Method and apparatus for splicing compressed information signals |
| 12/03/1998 | WO1998054855A1 Encoding/decoding scheme for communication of low latency data for the subcarrier traffic information channel |
| 12/03/1998 | WO1998054852A1 Satellite broadcasting system and broadcasting satellite |
| 12/03/1998 | DE19735675A1 Verfahren zum Verschleiern von Fehlern in einem Audiodatenstrom A method for concealing errors in an audio data stream |
| 12/02/1998 | EP0881793A2 Video player and display device for use in aircraft entertainment systems |
| 12/02/1998 | EP0881792A2 Method of receiving programs, and use of this method in a DAB receiver |
| 12/02/1998 | EP0880833A1 A radio broadcasting system, a transmitter and a receiver for use in such a system, a radio broadcasting method and a radio broadcasting signal |
| 12/02/1998 | EP0880827A1 Digital wireless speaker system |
| 12/02/1998 | EP0783794B1 Method for Amplitude Demodulation |
| 12/02/1998 | EP0763291A4 Frequency agile broadband communications system |
| 12/02/1998 | EP0719484A4 Broadband communications system |
| 12/02/1998 | EP0557298B1 Simulcast scheduler |
| 12/01/1998 | US5845250 Device for generating announcement information with coded items that have a prosody indicator, a vehicle provided with such device, and an encoding device for use in a system for generating such announcement information |
| 12/01/1998 | US5845248 Apparatus for reading out textual information with synthesized speech, and teletext receiver |
| 12/01/1998 | US5845214 Device for transmitting paging data and method therefor |
| 12/01/1998 | US5845199 Simulcasting system with diversity reception |
| 12/01/1998 | US5845191 Method for asymmetrically attenuating signals in a transmission system |
| 12/01/1998 | US5844596 Two-way RF communication at points of convergence of wire pairs from separate internal telephone networks |
| 12/01/1998 | US5844513 Method and apparatus for transmitting sigma delta modulated audio signals |
| 12/01/1998 | CA2058984C Polyphonic coding |
| 11/26/1998 | WO1998053565A1 Apparatus and method for embedding and extracting information in analog signals using distributed signal features |
| 11/26/1998 | CA2288213A1 Apparatus and method for embedding and extracting information in analog signals using distributed signal features |
| 11/25/1998 | EP0880245A2 Receiver with a device for selecting digital coded messages |
| 11/25/1998 | EP0880244A2 Method for the preparation of data for digital broadcast transmission |
| 11/25/1998 | EP0879534A1 Media online services access system and method |