| Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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| 01/20/2004 | CA2141653C Subcarrier communication system |
| 01/15/2004 | US20040010807 Use of multiple embedded messages in program signal streams |
| 01/15/2004 | US20040010797 Television audience interaction system |
| 01/15/2004 | US20040010720 System and method for remote supervision and authentication of user activities at communication network workstations |
| 01/15/2004 | US20040009763 Secure tracking system and method for video program content |
| 01/15/2004 | DE19638515B4 Verfahren und Vorrichtung zur Zuordnung von Nachrichten, insbesondere Verkehrsnachrichten Method and apparatus for assigning messages, in particular traffic news |
| 01/15/2004 | DE10229195A1 Verfahren zur Informationsübertragung und Informationsempfänger Method of transmitting information and information receiver |
| 01/14/2004 | CN1134981C Terrestrial transmission method for digital signal |
| 01/14/2004 | CN1134978C Information providing and display controlling apparatus and method, information providing system and method |
| 01/14/2004 | CN1134915C System having code converter and code converting method |
| 01/13/2004 | US6678501 Method and apparatus for vehicular ordering of radio-based programs |
| 01/08/2004 | WO2004004397A1 Approximating cell geometry in cellular transmission system |
| 01/08/2004 | WO2004004360A1 Synchronization system and method for audiovisual programmes, associated devices and methods |
| 01/08/2004 | WO2004004336A2 Audiovisual program synchronization system and method |
| 01/08/2004 | WO2004004304A2 Television signal receiver capable of receiving updated information associated with an emergency alert function |
| 01/08/2004 | WO2004004179A1 Method for validating the broadcasting conditions of content from a third party |
| 01/08/2004 | WO2004004178A1 Wireless audio signal transmission method for a three-dimensional sound system |
| 01/08/2004 | WO2003103300A3 Method and apparatus for enabling transmission of a wireless return channel signal in a satellite communications system |
| 01/08/2004 | US20040006634 Digital transactions for the delivery of media files |
| 01/08/2004 | US20040006484 Method and system for media content data distribution and consumption |
| 01/08/2004 | US20040005860 Broadcasting system, broadcasting apparatus, broadcasting method and receiving apparatus |
| 01/08/2004 | CA2489713A1 Television signal receiver capable of receiving updated information associated with an emergency alert function |
| 01/07/2004 | EP1379006A1 Advertisement program providing system |
| 01/07/2004 | CN1466851A Video/audio/data distribution architecture |
| 01/07/2004 | CN1466848A Receiver and method for controlling receiver |
| 01/07/2004 | CN1134160C Digital broadcasting system using virtual channels |
| 01/07/2004 | CN1134127C Method for equalization of complementary carriers in am compatible digital audio broadcast system |
| 01/06/2004 | US6674997 AM band transmission using multi-tone modulation |
| 01/06/2004 | US6673321 Apparatus and process for extracting and recovering metals from aqueous solutions |
| 01/06/2004 | CA2245841C Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers |
| 01/06/2004 | CA2094284C Digital audio broadcasting system |
| 01/02/2004 | EP1377056A1 System and method for verification of electronic television program guide data |
| 01/02/2004 | EP1376913A1 Data broadcast program ts (transport stream) transmission apparatus and method, data broadcast program transmission program, recording medium, delivery apparatus, and delivery system |
| 01/02/2004 | EP1376912A1 Method for providing multi-media data streams to subscribers of a data distribution network and data distribution network and distribution nodes therefor |
| 01/02/2004 | EP1376512A2 Method for transfering information and information receiver |
| 01/01/2004 | US20040002304 Receiving apparatus, receiving method, receiving program, recording medium with the program recorded therein and communication system |
| 01/01/2004 | US20040001608 Image processor and image processing method |
| 12/31/2003 | WO2004002158A1 Transmission device and reception device |
| 12/31/2003 | WO2004002040A2 Broadcast router having a serial digital audio data stream decoder |
| 12/31/2003 | WO2004002001A2 Ultra-wideband communication through a wire medium |
| 12/31/2003 | WO2004001994A2 Ultra-wideband communication through a wire network |
| 12/31/2003 | WO2002035746A3 Method and arrangement for enabling disintermediation, and receiver for use thereby |
| 12/31/2003 | CN1464652A Digital broadcast transmitter with broadcasting signal having two guide frequency insterted in transmission and method thereof |
| 12/31/2003 | CN1133290C Broadcasting system, service providing device and receiving terminal installation |
| 12/31/2003 | CN1133280C Method for receiving multiple carrier digital signal |
| 12/31/2003 | CA2485283A1 Ultra-wideband communication through a wire medium |
| 12/31/2003 | CA2485255A1 Ultra-wideband communication through a wire network |
| 12/30/2003 | US6671340 Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers |
| 12/30/2003 | CA2270739C Response capacity management in interactive broadcast systems by periodic reconfiguration of response priorities |
| 12/30/2003 | CA2188733C Video data receiving apparatus, video data transmitting apparatus, and broadcasting system |
| 12/25/2003 | US20030237099 Method of delivering multimedia data streams to subscribers of a data distribution network as well as data distribution network and distribution point therefor |
| 12/25/2003 | US20030237098 Data broadcast program control system |
| 12/25/2003 | US20030236066 Broadcast receiver, information processing apparatus, and information distributing method |
| 12/25/2003 | US20030235236 Ultra-wideband communication through a wired medium |
| 12/25/2003 | US20030235235 Ultra-wideband communication through a wired network |
| 12/24/2003 | WO2003107674A1 Method for broadcast of an html application |
| 12/24/2003 | WO2003107667A1 Data transmission device and data reception device |
| 12/24/2003 | WO2003107568A1 Method and apparatus for delivering multimedia multicast services over wireless communication systems |
| 12/24/2003 | WO2003096672A3 Television signal receiver capable of receiving emergency alert signals |
| 12/24/2003 | WO2003079589A3 Identification of changes in broadcast database |
| 12/24/2003 | WO2001053980A3 Input device having positional and scanning capabilities |
| 12/24/2003 | CN1463512A Data broadcast rpogram TS (transport stream) transmission appts. and method, data broadcast program transmission program, recording medium, delivery appts. and dilivery system |
| 12/24/2003 | CN1463511A Method and arragnement for digital transmission using AM emitters |
| 12/24/2003 | CN1463421A Digital signal processing appts. and processing method and digital signal reproduction/reception system |
| 12/24/2003 | CN1132427C Data transmitter, data receiver, and digital broadcasting system |
| 12/24/2003 | CN1132367C Data error correcting method for digital signal frames and appts. used in such method |
| 12/24/2003 | CN1132350C 用于交互式通信的方法和设备 Method and apparatus for interactive communication |
| 12/24/2003 | CA2489336A1 Method and apparatus for delivering multimedia multicast services over wireless communication systems |
| 12/18/2003 | WO2003105477A1 Device and method for directing program |
| 12/18/2003 | WO2003104942A2 Method and system for controling and monitoring a web-cast |
| 12/18/2003 | WO2003086017A3 Signal processing |
| 12/18/2003 | WO2001073586A3 Method and apparatus for accessing a remote location by sensing a machine-resolvable code |
| 12/18/2003 | US20030232594 Method and apparatus for delivering multimedia multicast services over wireless communication systems |
| 12/17/2003 | EP1372287A1 Broadcast transmission apparatus |
| 12/17/2003 | EP1372283A1 Multiband rds radio receiver |
| 12/17/2003 | EP0979567B1 Multicarrier receiver and method for use in dab receiver |
| 12/17/2003 | CN1462535A Data stream system substituting local content for unicasts |
| 12/17/2003 | CN1462440A Watermarking |
| 12/17/2003 | CN1462439A Generation and detection of watermark robust against resampling of audio signal |
| 12/16/2003 | US6665517 Method of transmitting audio signals to multiple remote radio stations from a central location |
| 12/16/2003 | US6665310 Transmitter, receiver, communication apparatus, communication method and communication system |
| 12/16/2003 | US6665308 Apparatus and method for equalization in distributed digital data transmission systems |
| 12/16/2003 | US6665234 Personal audio recorder in a vehicular entertainment sound system |
| 12/11/2003 | WO2003103300A2 Method and apparatus for enabling transmission of a wireless return channel signal in a satellite communications system |
| 12/11/2003 | WO2003103195A1 Exciter-excitation system and methods for communications |
| 12/11/2003 | WO2003069885A3 Time-slice signaling for broadband digital broadcasting |
| 12/11/2003 | WO2003041313B1 Digital fm stereo decoder and method of operation |
| 12/11/2003 | WO2002011347A3 Exploiting a broadcast system to enhance a wireless gaming experience |
| 12/11/2003 | WO2001057815A3 Web site access by manual entry of a character string into a software interface |
| 12/11/2003 | US20030229900 Method and apparatus for browsing using multiple coordinated device sets |
| 12/11/2003 | US20030229681 Secure data broadcast network for traffic-free internet access |
| 12/11/2003 | US20030229549 System and method for providing for out-of-home advertising utilizing a satellite network |
| 12/11/2003 | US20030227576 Broadcasting receiver |
| 12/11/2003 | CA2525979A1 Exciter-excitation system and methods for communications |
| 12/10/2003 | EP1370114A2 Matrix improvements to lossless encoding and decoding |
| 12/10/2003 | EP1370082A2 Broadcast receiver, information processing apparatus, and information distributing method |
| 12/10/2003 | EP1370016A1 Method and apparatus for the reception of an audio signal transmitted both in analogue and in higher-quality digital modulation, gradually varying the mixing ratio from digital to analogue in case of poor channel conditions, so as to make the change less perceptible |
| 12/10/2003 | EP1368918A2 Method for reducing the out-of-band emission in am transmitters for digital transmission |
| 12/10/2003 | EP1064741B1 Digital audio broadcasting method using puncturable convolutional code |
| 12/10/2003 | CN1461558A Information processor |