Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
03/2011
03/03/2011US20110051556 Monopole acoustic transmitter ring comprising piezoelectric material
03/03/2011US20110050399 Method and apparatus for communication in ultra-wide bandwidth rfid systems
03/03/2011DE19919545B4 Verfahren zur Bildung einer Signalfolge A method of forming a signal sequence
03/03/2011DE112008003651T5 Codewandlervorrichtung, Empfänger und Codeumwandlungsverfahren Code conversion device, receiver and code conversion method
03/03/2011DE102009038148A1 Triplexer für ein Multiband-Antennenmodul eines Fahrzeugs Triplexer for a multi-band antenna module of a vehicle
03/03/2011DE102009037998A1 Verfahren zur Kommunikation zwischen einer Basisstation und mehreren Transpondern A method of communication between a base station and a plurality of transponders
03/03/2011DE102009033788A1 Verfahren zum Empfangen eines Signals und Empfänger A method for receiving a signal and receiver
03/03/2011DE102009029052A1 Verfahren und Vorrichtung zum Bereitstellen eines Reflexionssignals Method and apparatus for providing a reflectance signal
03/03/2011DE102009029051A1 Verfahren und Vorrichtung zum Bereitstellen eines Reflexionssignals Method and apparatus for providing a reflectance signal
03/03/2011DE102009028919A1 Verfahren und Steuergerät zur Direktabtastung einer Mehrzahl von Radiobändern Process and control device for direct sampling a plurality of radio bands
03/03/2011DE102009027683A1 Transmission device for transmitting information from user to receiver without locating position of user, has controlling unit and shifting unit, which makes autonomous shifting for transmission device
03/03/2011DE10158791B4 Hochfrequenzverstärker und Funkübertragungsvorrichtung High-frequency amplifier and radio communication apparatus
03/03/2011DE10148584B4 Empfänger und Verfahren zur Unterdrückung von kurzzeitigen Störpulsen mit Bursts Receiver and method for suppressing interference pulses with brief bursts
03/03/2011CA2771750A1 Method and system for automatic tracking of information technology components and corresponding power outlets in a data center
03/03/2011CA2769224A1 Method and apparatus for sharing functions between devices via a network
03/02/2011EP2290926A2 Portable electrical device
03/02/2011EP2290909A1 Traffic control method and terminal
03/02/2011EP2290866A1 Method for moving a receive window in a radio access network
03/02/2011EP2290847A1 Frequency hopping method and base station for downlink dedicated pilot frequency
03/02/2011EP2290845A1 Radio terminal equipment
03/02/2011EP2290833A2 Signal acquisition in peer-to-peer spread-spectrum communications
03/02/2011EP2290832A2 GPS receiver with fast acquisition time
03/02/2011EP2290831A2 Transmission device and transmission method
03/02/2011EP2290830A2 Receiver apparatus having filters implemented using frequency translation techniques
03/02/2011EP2290829A2 Sound signal processor, FM receiver, and method of processing sound data
03/02/2011EP2290828A2 Receiving apparatus and receiving method
03/02/2011EP2290827A2 Wireless transmission system, wireless communication device, and wireless communication method
03/02/2011EP2290616A2 Digital signal processing and receiving apparatus and method
03/02/2011EP2290586A1 Wireless ic device system and method for authenticating wireless ic device
03/02/2011EP2289211A2 Receiver and method for processing radio signals using soft pilot symbols
03/02/2011EP2289174A1 Miniature sub-resonant multi-band vhf-uhf antenna
03/02/2011EP2289170A2 Dynamic calibration techniques for digitally controlled oscillator
03/02/2011EP1944882B1 Terminal apparatus, base station apparatus and communication system
03/02/2011EP1610222B1 System and method for updating persistent data in a wireless communications device
03/02/2011EP1529421B1 Track system for telecommunications transmission stations
03/02/2011EP1421497B1 High-speed program tracing
03/02/2011EP0875094B1 Method and apparatus for selecting from multiple mixers
03/02/2011CN201754657U Emitter
03/02/2011CN201754581U Device for co-using the radio frequency chain circuit for transmitting and receiving
03/02/2011CN201754580U Wireless data transmission module based on ZigBee communication
03/02/2011CN201754579U Novel USB wireless emitter
03/02/2011CN1992956B Method for processing uplink and downlink signal based on intelligent antenna system
03/02/2011CN1954529B A service converting method in uplink for a WCDMA system
03/02/2011CN1925470B Multi-path judging method for time-division duplex mobile communication system
03/02/2011CN101983467A Electronic device, charger, and electronic device charging system
03/02/2011CN101983466A Electronic device, battery charger, and electronic device battery-charging system
03/02/2011CN101983457A Wireless apparatus
03/02/2011CN101983318A Method and system for remote metering the consumption of electricity, water or gas
03/02/2011CN101982984A Optical-fiber protection switching method of ONU equipment in electric EPON system
03/02/2011CN101982938A Cognitive radio system capable of realizing spectrum sensing without quiet period
03/02/2011CN101982903A Circuit board connector and communication equipment
03/02/2011CN101313464B 采样混合器和接收器 Sampling mixer and the receiver
03/02/2011CN101222691B Restraining method and circuit for double-module mobile phone channel selective disturbance
03/02/2011CN101217293B Media operation trusteeship switching system and method
03/02/2011CN101159451B Audio equipment connecting method in bluetooth authentication
03/02/2011CN101145867B Method for improving protective conversion stability of optical synchronization digital transmission device
03/02/2011CN101145800B A method and device for improving reliable switching of clock board
03/02/2011CN101087377B Demodulating apparatus, demodulating method
03/01/2011USRE42186 Data transform processing apparatus and method
03/01/2011US7900070 Power saving method of bi-directional communication wireless periheral device
03/01/2011US7899951 Communication network having a plurality of bridging nodes which transmits a polling message with backward learning technique to determine communication pathway
03/01/2011US7899939 Apparatus, and associated method, for facilitating network selection using access technology indicator
03/01/2011US7899502 Method and apparatus that annunciates when a mobile telephone is out of a service area
03/01/2011US7899501 Auxiliary power management method for cellular based device
03/01/2011US7899499 Mobile telecommunication handset having touch pad
03/01/2011US7899498 Method and system for recognition of incoming calls to a voicemail system
03/01/2011US7899495 Methods and apparatus for supporting multiple connections
03/01/2011US7899494 Mobile communications terminal using multi-functional socket and method thereof
03/01/2011US7899492 Methods, systems and apparatus for displaying the multimedia information from wireless communication networks
03/01/2011US7899490 Call control method for dual-mode mobile terminals and a dual-mode mobile terminal using the same
03/01/2011US7899487 Mobile communication terminal and link management method of the same
03/01/2011US7899485 Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel
03/01/2011US7899471 Methods, systems and computer program products for remotely controlling wireless terminals based on premises-specific rules
03/01/2011US7899445 Mobile conferencing and audio sharing technology
03/01/2011US7899435 Wireless communication unit, power control method for wireless communication unit and wireless network
03/01/2011US7899434 Power management for a mobile communication device and method for use therewith
03/01/2011US7899433 Method and apparatus for saving power by controlling listening periods in wireless telecommunication device having a plurality for power-saving modes
03/01/2011US7899432 Submillimeter wave heterodyne receiver
03/01/2011US7899431 DC offset correction system for a receiver with baseband gain control
03/01/2011US7899429 RF transceiver with undesired signal rejection and methods for use therewith
03/01/2011US7899428 Radio receiver and radio receiver front-end
03/01/2011US7899427 Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
03/01/2011US7899426 Degenerated passive mixer in saw-less receiver
03/01/2011US7899425 Multi-band wireless communication device and method
03/01/2011US7899424 Transmitter power amplifier ramping method
03/01/2011US7899423 Method and system for a synthesizer/local oscillator generator (LOGEN) architecture for a quad-band GSM/GPRS radio
03/01/2011US7899422 Sigma delta modulated phase lock loop with phase interpolation
03/01/2011US7899421 Double search algorithm of user group selection for multiuser MIMO downlink transmission
03/01/2011US7899420 Wireless transmission device in which transmission output is controlled in feedback control
03/01/2011US7899419 Method and apparatus for compensating code channel power in a transmitter
03/01/2011US7899418 Mobile device and wireless communication apparatus
03/01/2011US7899417 Method and apparatus for increasing the efficiency of low power amplifiers
03/01/2011US7899416 RF transmitter with heat compensation and method therefor
03/01/2011US7899415 Low-frequency power line emissions reduction system and method
03/01/2011US7899414 Control of power amplifiers in devices using transmit beamforming
03/01/2011US7899413 Radio apparatus
03/01/2011US7899412 Switching element, antenna switch circuit and radio frequency module using the same
03/01/2011US7899411 RF integrated circuit with on-chip transmit/receive switch and methods for use therewith
03/01/2011US7899410 Adjustable antenna interface and applications thereof
03/01/2011US7899409 Apparatus for controlling impedance