Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
10/2012
10/03/2012CN102710273A Operation mode setting method and pedestal
10/03/2012CN102710272A Audio apparatus having tuner unit and digital reproducing unit
10/03/2012CN102710271A Base station and method used in the base station
10/03/2012CN102710270A Radio remote unit and automatic frequency pre-controlling method and device thereof
10/03/2012CN102710269A Signal Processing Circuit and Method
10/03/2012CN102710268A Low/intermediate-frequency receiver
10/03/2012CN102710267A First local oscillation circuit of ultrashort wave receiver
10/03/2012CN102710235A L-waveband miniature amplification equalizer
10/03/2012CN102709264A Radio frequency (RF) transceiving front end module and preparation method thereof
10/03/2012CN102708700A Self-adaptive search guidance system for vehicles in parking lots
10/03/2012CN102708445A Bank lobby interactive system and operation method thereof
10/03/2012CN102708339A Dual-band communication method for electronic goods shelf label system
10/03/2012CN102707613A Sensitivity adjustment device and radio wave communication device
10/03/2012CN102707298A Receiver capable of concurrently collecting dual band signals, and method thereof
10/03/2012CN102064846B Frequency synthesizer and frequency synthesizing method
10/03/2012CN102006114B Intelligent antenna system and spread-spectrum signal receiver
10/03/2012CN101882937B Handheld receiver
10/03/2012CN101877576B Filter circuit and communication equipment provided with same
10/03/2012CN101834626B Mobile terminal, base station and communication system
10/03/2012CN101826888B Processing method of automatically calibrating sum-and-difference passage spread spectrum code phase to coincidence
10/03/2012CN101807931B Broadband receiver with spot-frequency local oscillation circuit
10/03/2012CN101777694B Novel interphone large-power active antenna
10/03/2012CN101702627B CMOS radio frequency (RF) switch based on silicon-on-insulator (SOI) technology
10/03/2012CN101641891B Modulation device, demodulation device, and acoustic signal transmission method
10/03/2012CN101626251B Low-noise DC offset calibration circuit and related receiver stage
10/03/2012CN101594157B Distortion compensating apparatus, wireless communication apparatus, and distortion compensating method
10/03/2012CN101567744B Method for analyzing system information symbols in DTMB system
10/03/2012CN101567709B Method and device for weakening the influence of multipath on positioning accuracy of receiver antenna
10/03/2012CN101552761B Method for modulating/demodulating reference Chirp ultra- wideband system based on SAW code domain
10/03/2012CN101551939B Remote controller
10/03/2012CN101510789B Mining system device for multifunctional wireless data transmit-receive and signal conversion
10/03/2012CN101502009B Phone
10/03/2012CN101488770B Data transmission system and method
10/03/2012CN101471709B Transmission diversity method and apparatus for intelligent antenna
10/03/2012CN101471679B FM receiver and method for improving receiving performance thereof
10/03/2012CN101449474B Hinge device for cellular phone
10/03/2012CN101442322B An IC for a high frequency communication device with a minimal off chip components
10/03/2012CN101432993B Mobile communication device and reception quality information creation method
10/03/2012CN101432973B Transmitter, power amplifier and filtering method
10/03/2012CN101425810B Pulse ultra wideband receiver
10/03/2012CN101399614B Protection method, system and device for long distance passive optical network
10/03/2012CN101383626B Mobile device and method for sharing a wireless communication module between operating systems thereof
10/03/2012CN101296431B Appearance control device and method, portable terminal for using the same
10/03/2012CN101257318B Multimedia server with channel control module and methods for use thereof
10/03/2012CN101094028B Transmitter, receiver and method of frequency division multiple access system of filter pack with multiple sub bands
10/03/2012CN101094017B Combined closed loop/open loop power control in a time division duplex communication system
10/03/2012CN101051851B Programmable/automatic delay compensation method and device of radio frequency module in TDD system
10/02/2012US8281359 System and method for media transcoding and presentation
10/02/2012US8281342 Digital broadcast receiving apparatus
10/02/2012US8281167 Electronic control apparatus provided with plural microcomputers for electronically controlling electronic devices mounted in vehicle
10/02/2012US8280462 Distributed sound enhancement
10/02/2012US8280461 Electronic device including a function button operable by a stylus or similar device
10/02/2012US8280455 Battery charging assembly
10/02/2012US8280454 Mobile device with a smart battery having a battery information profile corresponding to a communication standard
10/02/2012US8280453 Adapting portable electrical devices to receive power wirelessly
10/02/2012US8280449 Audio usage detection
10/02/2012US8280447 Mobile terminal having rear keypad
10/02/2012US8280446 Mobile terminal having touch input device
10/02/2012US8280444 Reducing multi-cell interference using cooperative random beam forming
10/02/2012US8280442 Radio base station and receiver fault diagnosis method
10/02/2012US8280440 Mobile terminal device capable of restoring an original function
10/02/2012US8280439 Interface and communication protocol for a mobile device with a smart battery
10/02/2012US8280429 Thermal energy control in a mobile transceiver
10/02/2012US8280405 Location based wireless collaborative environment with a visual user interface
10/02/2012US8280397 Mobile telephone unit with broadcast receiving function
10/02/2012US8280395 System and method for updating information using limited bandwidth
10/02/2012US8280340 Clock generation for integrated radio frequency receivers
10/02/2012US8280339 Mixer capable of detecting or controlling common mode voltage thereof
10/02/2012US8280338 Mixer cell with a dynamic bleed circuit
10/02/2012US8280337 System and method for zero intermediate frequency filtering of information communicated in wireless networks
10/02/2012US8280336 Apparatus and method for eliminating outband interference signal
10/02/2012US8280335 Dynamic RFI detection
10/02/2012US8280334 System and method for radio signal reconstruction using signal processor
10/02/2012US8280333 Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
10/02/2012US8280332 Apparatus and method for adaptive whitening in a multiple antenna system
10/02/2012US8280331 System and method for tuning FM synthesizer
10/02/2012US8280330 Crystal-less clock generation for radio frequency receivers
10/02/2012US8280329 Receiver having a gain-controllable input amplifier
10/02/2012US8280328 High speed frequency detector
10/02/2012US8280326 Receiver comprising a radiofrequency splitter
10/02/2012US8280325 Configurable transmitter
10/02/2012US8280323 Fuzzy logic control of an RF power amplifier for automatic self-tuning
10/02/2012US8280322 RF transmitter with stable on-chip PLL
10/02/2012US8280321 Systems and methods of RF power transmission, modulation, and amplification, including Cartesian-Polar-Cartesian-Polar (CPCP) embodiments
10/02/2012US8280320 Apparatus and method for supporting multiple-input multiple-output and beamforming simultaneously in wireless communication system
10/02/2012US8280319 Tuning circuitry in a communications device
10/02/2012US8280318 Core modem assembly for mobile communication device
10/02/2012US8280317 Pass-through connection systems and methods for process control field devices
10/02/2012US8280316 Wireless transmitting/receiving device
10/02/2012US8280315 RF integrated circuit with transmitter and multipurpose output ports and methods for use therewith
10/02/2012US8280310 Wireless communication terminal automatically controlling non-communication monitoring timer
10/02/2012US8280309 Soft handoff method and apparatus for mobile vehicles using directional antennas
10/02/2012US8280180 Method and system for image restoration in the spatial domain
10/02/2012US8280073 Correcting engine noise cancellation microphone disturbances
10/02/2012US8279987 System and method for canceling interference in a communication system
10/02/2012US8279986 Digital receiver, controlling method of the apparatus, computer program product, and recording medium recording thereon the product
10/02/2012US8279985 Intelligent demodulation systems and methods in an OFDMA multicell network
10/02/2012US8279979 Signal processing apparatus, signal processing method, and program
10/02/2012US8279973 Space-time coding method using a partitioned position modulation alphabet
10/02/2012US8279945 Method for compensating timing mismatch in A/V data stream
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