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)
08/2013
08/21/2013CN103262428A Whip antenna for mobile communication devices
08/21/2013CN103262427A Mobile terminal with mutliple sim cards
08/21/2013CN103262426A Rf peak detection scheme using baseband circuits
08/21/2013CN103262343A A strain-tunable antenna comprising an actuator
08/21/2013CN103262098A Communications system, relay communications device, relay communications device and electromagnetic induction communications device combination, electromagnetic induction communications device, information storage medium, and information storage medium production method
08/21/2013CN103262007A Method and apparatus for controlling touch screen using timeline bar, recording medium with program for the same recorded therein, and user terminal having the same
08/21/2013CN103260093A Novel multifunctional interphone
08/21/2013CN103259760A Impulse waveform modulation method based on multi-dimensional constellation diagram
08/21/2013CN103259561A Multi-site interference offset method in large-scale building deformation telemetry technology
08/21/2013CN103259560A Integrated circuit and wireless communication apparatus
08/21/2013CN103259559A W-band receiving and transmitting assembly
08/21/2013CN103259558A Adaptive tunable antennas for wireless devices
08/21/2013CN103259557A Antenna switching circuit, electronic device of antenna switching circuit and antenna switching method of antenna switching circuit
08/21/2013CN103259556A Wireless fire safety system
08/21/2013CN103259555A Anti-interference type network communication device
08/21/2013CN103259554A Signal transmission and reception system, installation method of the system, and plant applied with the system
08/21/2013CN103259553A A front-end system for radio devices
08/21/2013CN103259552A Superregenerative receiver with ultra-low power consumption
08/21/2013CN103259551A Radio-frequency signal receiving device based on automatic dependent surveillance-broadcast (ADS-B)
08/21/2013CN103259550A Distress signal receiving module and decoding method thereof
08/21/2013CN103259549A Receiver circuit and method for detecting data
08/21/2013CN103259548A Method and system of signal processing and mobile terminal
08/21/2013CN103259547A Receiving device based on Zigbee technology
08/21/2013CN103259546A Software radio receiver
08/21/2013CN103259522A Impulse radio ultra wideband on-off keying detector
08/21/2013CN103259101A Radio wave receiving antenna, receiving device, perspective system and detecting method
08/21/2013CN103259079A Solid antenna and wireless communication device
08/21/2013CN103259078A 无线通讯装置 Wireless communication device
08/21/2013CN103258353A Non-stop electronic toll collection system radio frequency receiving and sending module
08/21/2013CN103255957A Method for judging location of transponder
08/21/2013CN102318206B Low power ultra wideband transmitter and receiver
08/21/2013CN102281078B Difference receiver circuit for preventing input short circuiting
08/21/2013CN102255626B Pi-network-based millimeter wave frequency band receiver with electrostatic discharge protection function
08/21/2013CN102111209B Narrow pulse-based relaying method for cooperative ultra wideband communication system
08/21/2013CN102025382B Signal processing method and receiver
08/21/2013CN101946473B Channel estimation in wireless systems with impulsive interference
08/21/2013CN101931452B Digital repeater with frequency hopping function and method for achieving synchronous frequency hopping
08/21/2013CN101897125B Method and apparatus for detecting a frequency band and mode of operation
08/21/2013CN101895307B Frequency scanning method for time division-synchronization code division multiple access (TD-SCDMA) system
08/21/2013CN101807933B Frequency-selecting tuning circuit for singlechip-controlled 64-bit step-scaning machine
08/21/2013CN101807932B Three-terminal modulator for lower-frequency modulating type radiometer receiver
08/21/2013CN101741403B Wireless communication apparatus and power-supply apparatus
08/21/2013CN101714877B Filter and related wireless communication receiver
08/21/2013CN101626106B Switching method of built-in antenna and exposed antenna of FM receiver as well as terminal thereof
08/21/2013CN101611556B Method and apparatus for receiving radio frequency signals
08/21/2013CN101517926B Communication device and communication system
08/21/2013CN101453234B Non-contact wireless communication apparatus, and method of adjusting resonance frequency of non-contact wireless communication antenna
08/21/2013CN101444003B System and method for obtaining revenue through the display of hyper-relevant advertising on moving objects
08/21/2013CN101385248B Reduced complexity interference suppression for wireless communications
08/21/2013CN101346892B Rake receiver finger assignment based on signal path concentration
08/21/2013CN101262262B Power amplifier circuit, control method thereof and control program thereof
08/21/2013CN101174895B Information notification method, mobile communications system, base station and mobile station
08/21/2013CN101094003B System and method for independently adjusting multiple offset compensations applied to a signal
08/21/2013CA2801452A1 Scalable packets in a frequency hopping spread spectrum (fhss) system
08/20/2013US8515667 Power saving system for navigation device
08/20/2013US8515665 On-board vehicle navigation device and program
08/20/2013US8515663 System and method for delivery route assistance
08/20/2013US8515502 Apparatus and method for state detection and terminal equipment
08/20/2013US8515501 Portable communication device having a touch-screen locking unit
08/20/2013US8515499 Estimating remaining use time of mobile computing devices
08/20/2013US8515498 Flip mobile list to table
08/20/2013US8515497 Voice file name generation for captured images
08/20/2013US8515404 Mobile terminal and controlling method thereof
08/20/2013US8515381 Systems and methods for improving 25% duty cycle switching mixer local oscillator timing
08/20/2013US8515380 Current mode blixer with noise cancellation
08/20/2013US8515379 Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof
08/20/2013US8515378 Antenna system and method for mitigating multi-path effect
08/20/2013US8515377 Imbalanced transmission combining at radio base station
08/20/2013US8515376 Receiver and method for estimating a plurality of estimated transfer functions corresponding to wireless channels in a multiple-input system
08/20/2013US8515375 Dynamic bandwidth control scheme of a Frac-N PLL in a receiver
08/20/2013US8515373 Apparatus for providing reference signals and associated methods
08/20/2013US8515371 Programmable IF output receiver, and applications thereof
08/20/2013US8515368 Gain control using a dynamically configurable transformer
08/20/2013US8515367 Transmission circuit and transmission method
08/20/2013US8515366 Accurate transmit power measurement
08/20/2013US8515365 Signal processing circuit and method thereof
08/20/2013US8515364 Radio-frequency transmitter and amplifier
08/20/2013US8515363 Systems and methods for providing a reduced power amplifier transmission mode
08/20/2013US8515362 Mixer architectures
08/20/2013US8515361 Frequency correction of a programmable frequency oscillator by propagation delay compensation
08/20/2013US8515360 Method and system for greedy user group selection with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback
08/20/2013US8515359 Method and apparatus to provide low cost transmit beamforming for network devices
08/20/2013US8515355 Method of realizing smart antenna based on software radio and system therefor
08/20/2013US8515354 Method and apparatus for co-location of two radio frequency devices
08/20/2013US8515353 Method and arrangement in a radio base station, in a radio communications network
08/20/2013US8515352 Dynamically reconfigurable universal transmitter system
08/20/2013US8515257 Automatic announcer voice attenuation in a presentation of a televised sporting event
08/20/2013US8515055 Adaptive filtering with flexible selection of algorithm complexity and performance
08/20/2013US8515027 Method and system for recalling voicemail messages
08/20/2013US8514993 Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver
08/20/2013US8514992 Adaptive electronic transmission signal cancellation apparatus for full duplex communication
08/20/2013US8514988 Enhanced pilot signal receiver
08/20/2013US8514985 Synchronising a receiver to a signal having known structure
08/20/2013US8514945 IP stream tramsmitting/receiving system, IP stream receiving device and receiving process timing synchronization method used for the same
08/20/2013US8514944 Reducing motion compensation memory bandwidth through memory utilization
08/20/2013US8514936 Method for scalably encoding and decoding video signal
08/20/2013US8514927 Compression code for transferring rate matched data between devices
08/20/2013US8514916 Connecting cable length detector
08/20/2013US8514915 Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
08/20/2013US8514914 IQ imbalance correction method in a wireless communication device including a quadrature modulation/demodulation function