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)
08/2009
08/19/2009EP1344395B1 Dedicated channel for displaying programs
08/19/2009CN201294528Y Ground transmit-receive combined equipment
08/19/2009CN201294524Y Ka frequency band low noise amplifier based on HEMT tube core
08/19/2009CN201294523Y Ka frequency band down converter for low power consumption star
08/19/2009CN201294521Y Wireless communication collection module
08/19/2009CN201294519Y Wireless audio transmitting/receiving device
08/19/2009CN201294518Y Wireless communication multi-band radio frequency switching-in module device
08/19/2009CN201294517Y High-power radio-frequency switch module capable of switching between transmission and receive
08/19/2009CN201294516Y Signal conduction receiving device
08/19/2009CN201294515Y System for forwarding radiofrequency signal of mobile terminal
08/19/2009CN201294514Y Video digital modulation capable of restraining minor lobe and antenna drive circuit
08/19/2009CN101513102A SFN and signaling mechanisms for softer handoff groups
08/19/2009CN101513042A Demodulation device, demodulation device control method, demodulation device control program, and recording medium with recorded demodulation device control program
08/19/2009CN101512918A Method for covariance matrix update
08/19/2009CN101512917A Communication receiver with multiplexing of received signal, for receive space diversity
08/19/2009CN101512916A Apparatus, comprising eyeglasses, for transmitting and receiving electromagnetic signals
08/19/2009CN101512915A Small keyboard simulation
08/19/2009CN101512914A Selecting a leader node for an ad hoc network based on services
08/19/2009CN101512913A Broadcast receiver and broadcast channel seek method
08/19/2009CN101512912A Radio broadcasting receiver and method for seeking radio broadcasting
08/19/2009CN101512911A Iboc broadcast receiver
08/19/2009CN101512910A Radio frequency power amplifier and method using a plurality of feedback systems
08/19/2009CN101511130A Method and system for obtaining frequency bias in high speed shrouding scene
08/19/2009CN101510976A 电视调谐器 TV Tuner
08/19/2009CN101510967A Television device and method for automatic play
08/19/2009CN101510914A Method for controlling mobile terminal FM module through pluggable earphone
08/19/2009CN101510911A Information directly-sending mobile phone and communication software thereof
08/19/2009CN101510800A Double-repeat signal transmission method based on interference cancellation
08/19/2009CN101510792A Method for capturing pseudo-code of weak relevant non-gauss channel
08/19/2009CN101510791A Transmitting device, modulation method and modulation device for time division radio communication system
08/19/2009CN101510790A Wide-band right-angle feeding device
08/19/2009CN101510789A Mining system device for multifunctional wireless data transmit-receive and signal conversion
08/19/2009CN101510788A Radio frequency receiving device and method capable of supporting multi-input and multi-output
08/19/2009CN101510787A Receiver having low power consumption and method thereof
08/19/2009CN101510786A Receiver with low power consumption
08/19/2009CN101510785A Circuit and method for adjusting signal bandwidth
08/19/2009CN101510784A Receiver with digital filtering frequency-dropping function
08/19/2009CN101510626A Portable electronic device with electrification function
08/19/2009CN101509914A Water chlorosity monitoring system
08/19/2009CN100531472C Spread-spectrum changeable base station
08/19/2009CN100531470C Multitasking method in mobile terminal
08/19/2009CN100531448C Headset dedicated for mobile communication terminal
08/19/2009CN100531440C Baseband processing module for WCDMA radio frequency receiver and transmitter
08/19/2009CN100531375C Digital satellite broadcast system, transmission station and receiver
08/19/2009CN100531342C Processing a data stream format for mobile audiovisual reception
08/19/2009CN100531333C Digital broadcast receiving apparatus
08/19/2009CN100531241C Mobile communication terminal having opening mechanism
08/19/2009CN100531238C Mobile telephone handset
08/19/2009CN100531235C Sliding-type portable wireless terminal
08/19/2009CN100531231C Mobile station having overlapping translucent material layers and method of forming the same
08/19/2009CN100531178C Receiver, demodulator and communication method
08/19/2009CN100531171C Digital broadcast receiving apparatus and receiving method
08/19/2009CN100531169C Apparatus and method for frequency generation in mobile communication system
08/19/2009CN100531162C Channel estimation for time division duplex communication systems
08/19/2009CN100531093C Method of reducing service rearrangement time
08/19/2009CN100531019C Spread code generation method, CDMA transmission device, and CDMA reception device
08/19/2009CN100531018C Configurable terminal engine
08/19/2009CN100531016C Method for decoding identification code transmitted by mobile station to base station in CDMA cellular communication system
08/19/2009CN100531014C Method for code re-allocation in telecommunication systems, related system and computer product
08/19/2009CN100531013C Method for generating transmitting signal vector in state of effective transmission channel in wireless communication system
08/19/2009CN100531011C Method for defining up-converter channel impact responding and multi-user united detection method
08/19/2009CN100531009C Base station apparatus and method for controlling transmission assignment
08/19/2009CN100531007C System and method for frequency management in a communications positioning device
08/19/2009CN100531004C Communication apparatus
08/19/2009CN100530997C Equipment veneer protector and protection method thereof
08/19/2009CN100530996C System and method for realizing veneer active/standby changeover in communication equipment
08/19/2009CN100530995C Multipath CDMA receiver for reduced pilot
08/19/2009CN100530994C Method for searching terminal signal time delay phase by base station
08/19/2009CN100530993C Multiple disturbing code parallel generator in WCDMA cell search and its method
08/19/2009CN100530992C Robust non-coherent receiver for pam-ppm signals
08/19/2009CN100530991C Error detection code generating method and error detection code generator
08/19/2009CN100530990C Semi-duplex communication system, low voltage differential signaling transceiver
08/19/2009CN100530989C Wireless communication terminal and mobile type wireless communication terminal
08/19/2009CN100530988C Multimedia mobile communication terminal system and method
08/19/2009CN100530987C Antenna device and radio communication device using the same
08/19/2009CN100530986C Starting of multi-xDSL modulator-demodulator with hidden channel probe
08/19/2009CN100530985C HF receiving apparatus
08/19/2009CN100530984C Radio device
08/19/2009CN100530983C Receiver having a signal reconstructing section for noise reduction, system and method thereof
08/19/2009CN100530982C UWB wireless transmitter and receiver using UWB FM signals and method thereof
08/19/2009CN100530981C Successive interference cancellation receiver processing with selection diversity
08/19/2009CN100530958C Composite channel splitting circuit, chip element using same, high-frequency model and wireless communication apparatus
08/19/2009CN100530949C Multi-mode power amplifier and method for amplifying modulation signal
08/19/2009CN100530047C Control system and used information source, control equipment, method for providing position correlation control
08/18/2009US7577974 Movies channel
08/18/2009US7577777 Computer system providing endian information and method of data transmission thereof
08/18/2009US7577668 Information transmission system and information transmission method
08/18/2009US7577524 Method and system for data detection in a global positioning system satellite receiver
08/18/2009US7577464 Compact antenna system for polarization sensitive null steering and direction-finding
08/18/2009US7577463 Fast booting method for mobile communication device
08/18/2009US7577462 Portable data entry device with a detachable host PDA
08/18/2009US7577457 System and apparatus for performing broadcast and localcast communications
08/18/2009US7577450 Wireless communication device and control method therefor
08/18/2009US7577447 Communication system and communication terminal apparatus with changeable transmission/reception periods
08/18/2009US7577419 Digital mixer system and method
08/18/2009US7577418 Sub-harmonic mixer and down converter with the same
08/18/2009US7577417 Mobile terminal
08/18/2009US7577416 Single balanced mixer
08/18/2009US7577414 Methods and apparatus for automatic gain control in broadband tuners
08/18/2009US7577413 Method and apparatus for calibrating a filter of a receiver