Patents
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
08/2012
08/29/2012EP2491730A1 Audio monitoring system
08/29/2012CN202406116U Device for controlling bidirectional radio frequency signals
08/29/2012CN202406115U Early warning information voice terminal with function of feeding back state of published information
08/29/2012CN101964904B Method for realizing live broadcast of television news by using wireless communication network
08/29/2012CN101960846B Tuning device mounted on car
08/29/2012CN101808184B Digital broadcasting receiver
08/29/2012CN101753789B Receiving device, communications system, and receiving device control method
08/29/2012CN101751793B Vehicle running safety auxiliary network management system and method thereof
08/29/2012CN101682520B System and method for communication service with multimedia content by mobile communication network and digital multimedia broadcasting network
08/28/2012US8255963 System and method for monitoring video data
08/28/2012US8255693 Methods and devices responsive to ambient audio
08/28/2012US8255277 System and method for generating multimedia accompaniments to broadcast data
08/28/2012US8255276 System and method for generating multimedia accompaniments to broadcast data
08/28/2012US8254938 Method for coordinated multi-cell transmission, central controller and user equipment
08/28/2012US8254863 Broadcast receiver and method for setting broadcast receivers
08/28/2012US8254827 Method of multicasting
08/28/2012US8254584 Method, medium, and system encoding/decoding multi-channel signal
08/28/2012US8253865 Audio/video entertainment system and method
08/28/2012CA2682947C Digital broadcasting system and method of processing data
08/23/2012WO2012110975A1 Time synchronisation in a single network
08/23/2012WO2012110687A1 An apparatus and associated methods for interrupted data transmissions
08/23/2012WO2012110392A1 Digital receiver and digital transmitter having a variable interleaver functionality
08/23/2012WO2012081870A3 Broadcast signal transmitter/receiver and broadcast signal transmitting/receiving method
08/23/2012US20120216231 Intelligent device system and method for distribution of digital signals on a wideband signal distribution system
08/23/2012US20120216230 Method and System for Signaling Transmission Over RTP
08/23/2012US20120213144 Spatial techniques for evolved multimedia broadcast multicast service enhancement
08/23/2012US20120213143 System and method for single carrier optimization for evolved multimedia broadcast multicast service
08/23/2012US20120213141 Enhanced multimedia broadcast multicast service carriers in carrier aggregation
08/23/2012US20120213130 Carrier aggregation for evolved multimedia broadcast multicast service enhancement
08/23/2012US20120213097 Method And Apparatus For Improved Multicast Service Using Feedback Mobiles
08/22/2012EP2490355A1 Digital receiver and digital transmitter having a variable interleaver functionality
08/22/2012EP2489138A1 Broadcast content requests
08/22/2012CN202395788U Intelligent broadcasting system
08/22/2012CN202395786U Emergency broadcast voice system for mine
08/22/2012CN202395785U Intelligent voice broadcasting terminal for disaster early warning
08/22/2012CN202395784U Highly integrated intelligent modular broadcast system
08/22/2012CN202395783U Wideband optical fiber FM (frequency modulation) broadcasting amplifier and signal transmission system thereof
08/22/2012CN1839572B Content providing system and method, content prviding device and method, content reception device and method, recording medium, and program
08/22/2012CN102647242A Bus mobile television broadcasting system and broadcasting control method
08/21/2012USRE43601 System and methods for enhancing the experience of spectators attending a live sporting event, with gaming capability
08/21/2012US8250622 Method and apparatus for broadcasting to a portable terminal
08/21/2012US8249498 Selective service-toggling in a wireless communication system
08/21/2012US8249497 Seamless switching between radio and local media
08/21/2012US8249496 Broadcast frequency detection device
08/21/2012US8249010 Method and apparatus for feeding back and receiving acknowledgement information of semi-persistent scheduling data packets
08/21/2012US8248991 Method for receiving broadcast service using broadcast zone identifier in a mobile communication system
08/21/2012US8248986 System and method of providing advertisements to vehicles
08/21/2012US8248984 System and method for interfacing devices
08/21/2012US8248983 Method and system for controlling the provision of media content to mobile stations
08/21/2012CA2470795C Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme
08/16/2012US20120208510 Method and systems for generating and sending a hot link associated with a user interface to a device
08/16/2012US20120207307 Audio signal of an fm stereo radio receiver by using parametric stereo
08/16/2012US20120207075 Multicast data delivery mechanism using packet bundling or file delivery framework
08/16/2012US20120207074 Transmitting multiple group-addressed frames in a wireless network
08/15/2012EP2487938A1 Method and apparatus for downloading files
08/15/2012EP2487818A1 Broadcast receiver with several tuners
08/15/2012EP2486726A2 Data tunneling via closed captioning
08/15/2012EP2486725A2 Systems and methods for media format transcoding
08/15/2012CN202385208U Multi-media voice device
08/15/2012CN202385113U 网络广播系统 Network Broadcasting System
08/15/2012CN202385112U Wireless broadcast real time monitor
08/15/2012CN102640432A Station operation method and apparatus in TV whitespace
08/15/2012CN101715117B Digital broadcasting receiver and signal processing method thereof
08/15/2012CN101361302B Method and system for signaling neighboring signals in tps bits
08/15/2012CN101222286B Apparatus for transmitting broadcast signals and method of transmitting and receiving broadcast signals
08/15/2012CN101046953B Music processing apparatus and management method therefor
08/14/2012US8245268 Method and system for facilitating interactive multimedia experiences
08/14/2012US8243969 Method of and device for generating and processing parameters representing HRTFs
08/14/2012US8243646 Method and system for digital communication through infrastructure network with receiving stations according to their geographical status
08/14/2012US8243644 Method and system for a multicast service initiation in a communication system
08/14/2012US8243643 Active multicast information protocol
08/14/2012US8243642 Method of providing a multimedia service in a digital wireless communication network
08/14/2012US8243601 Routing protocol for a network employing multi-user wireless channels
08/09/2012US20120201507 Portable information terminal apparatus, information processing method, computer-program storage medium
08/09/2012US20120201386 Automatic Generation of Metadata for Audio Dominance Effects
08/09/2012US20120201186 Gateway device, mobile communication system, mobile terminal, packet transfer control method, control method of mobile terminal, and non-transitory computer readable medium
08/09/2012US20120201184 Synchronization processing method for multimedia broadcast multicast service, upper layer network element, and lower layer network element thereof
08/09/2012US20120201174 Duplexer/Multiplexer Having Filters that Include at Least One Band Reject Filter
08/08/2012EP2485415A1 Digital broadcast system
08/08/2012EP2484108A1 Radio frequency front end and spectrum sensor
08/08/2012CN202374276U General packet radio service (GPRS)-based vehicle-mounted radio device
08/08/2012CN102630005A Wireless network-based remote emergency command system
08/07/2012US8239889 Method and apparatus for collecting viewer survey data and for providing compensation for same
08/07/2012US8238810 Alternate radio channel selection adapted per user patterns
08/07/2012US8238375 Method and apparatus for transmitting broadcasting information
08/07/2012US8238283 Method and apparatus for transmitting messages in portable terminal
08/07/2012US8238282 System, method and computer program for transferring information on network
08/02/2012WO2012101852A1 Wireless communication system and public address notification control device
08/02/2012WO2012101476A1 System and method for accessing a television broadcast with a mobile device using a wireless connection
08/02/2012US20120195184 Systems and methods for orthogonal frequency divisional multiplexing
08/02/2012DE102012201220A1 Verfahren zur Übertragung von Nutzdatensignalen in einem Broadcast-Kommunikationsnetz Method for transmission of net data signals in a broadcast communications network
08/02/2012DE102012000885A1 Method for adjusting radio station in motor car radio system, involves providing transmitter list as favorite list capable of editing by user, where control- and/or regulating unit selects free-to-air radio stations from favorite list
08/01/2012EP2482477A2 Method for transmitting user data signals in a broadcast communication network
08/01/2012EP2482476A2 A method for transmitting multiple streams in wireless broadcast networks
08/01/2012EP2022263B1 Object-based 3-dimensional audio service system using preset audio scenes
08/01/2012CN202364235U Early-warning information voice terminal with information state feedback and publish functions
08/01/2012CN102625982A Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content
08/01/2012CN102625239A Traffic information transceiving interactive system based on dedicated short range communication (DSRC)
08/01/2012CN102624477A Optical fiber synchronous broadcasting system and method
08/01/2012CN102624474A Post-disaster multifunctional mobile emergency broadcast implementation method and device
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