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)
12/2010
12/08/2010EP1078473B1 Multistage pn code acquisition circuit and method
12/08/2010CN201667709U Audio digital signal processing device with wireless carrier signal receiving and processing function
12/08/2010CN201667686U Camera shooting module group for wireless transmitting image signal
12/08/2010CN201667652U Multi-card terminal with a plurality of sending keys
12/08/2010CN201667651U Tuner radio-frequency circuit of miniaturization satellite receiver
12/08/2010CN201667650U Drive-in theater
12/08/2010CN201667649U Improved signal emission instrument
12/08/2010CN201667609U Time division duplex radio frequency device and power supply thereof
12/08/2010CN1996349B Communication relay drvice used in wireless RFID
12/08/2010CN1989701B Ratiometric clock systems for integrated receivers and associated methods
12/08/2010CN1988431B Signal processing method and system
12/08/2010CN1973505B Frequency domain equalization method and device in single-carrier receiver
12/08/2010CN1972142B Communications device single board active/standby changeover apparatus and implementation method
12/08/2010CN1968243B Mean signal power detection method and system
12/08/2010CN1961492B Direct conversion RF front-end transceiver and its components
12/08/2010CN1954507B Radio-frequency tag communication device, radio-frequency tag communication system
12/08/2010CN1953343B A method to check soft bit of output generated channel encoder by linear joint detection
12/08/2010CN1929632B Method and device for fault PBX automatic taking-in charge
12/08/2010CN1917382B Communication device having microphone coupler
12/08/2010CN1902873B Locating interfering devices in wireless networks using channel adaptation metrics
12/08/2010CN1860804B Intra-and/or inter-system interference reducing systems and methods for satellite communications systems
12/08/2010CN1841949B Apparatus and communication method with multi wireless communication system
12/08/2010CN1839512B Antenna system for a communication device
12/08/2010CN1836395B Spacetime equalization in a wireless receiver
12/08/2010CN1819474B Shift sequential inspection under public distributing mode in time-division duplex system
12/08/2010CN1792041B Antenna apparatus, method for controlling antenna reception mode and mobile radio terminal
12/08/2010CN1784921B Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in wireless communication system
12/08/2010CN1756100B Radio communication system, radio communication device, and radio communication method
12/08/2010CN1754336B Radio communication system and radio communication method
12/08/2010CN1754321B Method and equipment for radio communication
12/08/2010CN1753342B Method of implementing protection switching in light network
12/08/2010CN1744767B Communiacation system and method, exchange center and base-station control table
12/08/2010CN1744766B Communiacation system and method, exchange center and base-station control table
12/08/2010CN1707980B Method and system for signal synchronization between receiver-transmitter and instrument
12/08/2010CN1663213B Dual-mode shared OFDM methods/transmitters, receivers and systems
12/08/2010CN1656720B Radio device and base station device
12/08/2010CN1615598B Low complexity multiuser detector and method for generating de-spread sequence for user in CDMA reciever system
12/08/2010CN1612553B Method of initializing equalizer of digital television receiver and equalizer using the same
12/08/2010CN1611093B Method and system for performing safe wireless communicaiton using spread spectrum principle
12/08/2010CN1606856B System and method for token-based PPP fragment scheduling
12/08/2010CN1599363B Channel equalizer, method and computer program for equalizing a channel
12/08/2010CN1595818B Synchronization judging circuit and cell phone comprising the synchronization judging circuit
12/08/2010CN1561582B Tracking loop and method for tracking communication channel delay in code division multiple access (CDMA) system
12/08/2010CN1542634B Information terminal apparatus
12/08/2010CN1536774B RF circuit module and base plate frame containing amplifier
12/08/2010CN1396436B Portable electronic equipment with bearing measurement and its magnetic sensor, bearing measuring method
12/08/2010CN101911661A Wireless headset having fm transmitter
12/08/2010CN101911656A Wireless communication device employing controlled inter-part impedances for hearing aid compatibility
12/08/2010CN101911626A Hopped ultrawideband wireless
12/08/2010CN101911624A Modulation scheme switching type communication device and modulation scheme switching method
12/08/2010CN101911560A Communication system, response notifying method and apparatus
12/08/2010CN101911555A Mobile communication system, base station device, user device and method
12/08/2010CN101911527A Method and system for utilizing transmit local oscillator for improved cell search and multi-link communication in multi-mode device
12/08/2010CN101911520A Apparatus and method for switching from reception to transmission
12/08/2010CN101911517A Tag communication device, tag communication system, and tag communication method
12/08/2010CN101911516A Millimeter wave power conversion
12/08/2010CN101911515A Apparatus and method for inputting characters/numerals for communication terminal
12/08/2010CN101911514A Opening and closing device for use in portable device having two units siliding with respect to each other
12/08/2010CN101911513A Electronic tuner and high frequency receiving device using the same
12/08/2010CN101911512A Adjustable local oscillator path in a communication device with a transmitter
12/08/2010CN101911511A Phase noise correction circuit, transmission device, reception device, radio device, radio communication system, and phase noise correction method
12/08/2010CN101911510A Processing signals in a wireless network
12/08/2010CN101911477A Predistorter
12/08/2010CN101911459A Battery power supply for radiofrequency transmitter
12/08/2010CN101911386A Portable wireless device
12/08/2010CN101911382A Portable radio device
12/08/2010CN101911092A Interrogation of RFID communication units
12/08/2010CN101910930A Device and method for reducing optical blurring
12/08/2010CN101909270A Wireless communication command system for emergency rescue scene
12/08/2010CN101909204A Helmet type camera for mine
12/08/2010CN101909031A MMSE detection method for spread-spectrum OFDMA communication system
12/08/2010CN101909027A Generation method of ultra-wideband dual carrier frequency and frequency synthesizer thereof
12/08/2010CN101909026A Sampling deviation detecting method and device
12/08/2010CN101908908A Methods and apparatus for flexible hopping in a multiple-access communication network
12/08/2010CN101908907A Mobile communication terminal and method for controlling activation of multi-path interference removing apparatus
12/08/2010CN101908906A User channel satellite capture method based on WCDMA (Wideband Code Diversion Multiple Access) system
12/08/2010CN101908905A Operational method for PN (Pseudo-Noise) sequence correlation and circuit
12/08/2010CN101908904A Method for generating ultra-wideband pulse of arbitrary waveform
12/08/2010CN101908903A Communication system
12/08/2010CN101908902A Wireless communication device and power amplification efficiency control module thereof
12/08/2010CN101908901A Signal transmission interface and digital broadcasting receiver device
12/08/2010CN101908900A Analog baseband link of radio-frequency receiver compatible with ultra wide band international standard and Chinese standard
12/08/2010CN101908899A Radio wave receiver
12/08/2010CN101908898A Radio wave receiver
12/08/2010CN101908897A Broadcasting receiver and adjusting method thereof
12/08/2010CN101908896A Multi-frequency band radio-frequency receiver
12/08/2010CN101908895A Receiver and a method of receiving a signal
12/08/2010CN101908860A Gain compensation device over temperature and method thereof
12/08/2010CN101907995A Method for operating a portion of an executable program in an executable non-volatile memory
12/08/2010CN101906907A Gate sentry calling talkback door lock
12/08/2010CN101574010B Two-dimensional reference signal sequences
12/08/2010CN101472324B Enhancement type FACH access method based on user identification mapping
12/08/2010CN101404813B Method for solving pilot frequency pseudo-random encoding confusion in switching course
12/08/2010CN101401477B Mobile communication system and method for estimating moving speed of mobile terminal
12/08/2010CN101383795B Method for enhancing valid data transmission efficiency by OFDM transmitter and OFDM transmitter
12/08/2010CN101304441B Sliding cover type mobile telephone
12/08/2010CN101277279B Method and apparatus for eliminating serial interference of multi-aerial system
12/08/2010CN101257405B Method for implementing double chain circuits among master-salve equipments
12/08/2010CN101223704B Protection cover for slide-open type mobile phone
12/08/2010CN101198144B Soft handoff method in WCDMA mobile communication system
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