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) |
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12/31/2003 | CN1465141A Spectrum spreading signal demodulation method and apparatus |
12/31/2003 | CN1465138A Compressing device and method, decompressing device and method, compressing, decompressing system, program, record medium |
12/31/2003 | CN1464667A Method and uses for transmitting and receiving reference signal in array receiving-transmitting system |
12/31/2003 | CN1464661A Channel estimation method of Rake receiver |
12/31/2003 | CN1464660A WCDMA indicating channel receiver |
12/31/2003 | CN1464650A Method for automatic selecting working channel to avoid mutual interference of wireless network arrangement |
12/31/2003 | CN1464640A Back-up method for wireless network |
12/31/2003 | CN1464639A Electronic responder |
12/31/2003 | CN1464638A Multipath selection deciding method and apparatus for Rake receiver |
12/31/2003 | CN1133348C Mobile station and corresponding method of using mobile station for receiving positioning signals |
12/31/2003 | CN1133340C Local vibration source for RF phase lock |
12/31/2003 | CN1133338C Radio receiver for selective calling |
12/31/2003 | CN1133320C Tuning assembly for receiving TV signals |
12/31/2003 | CN1133311C Casing for a cordless telephone, and assembly of a casing with a cordless telephone |
12/31/2003 | CN1133310C 带有防护使用过程中所产生的辐射的装置的蜂窝电话 Cellular telephone radiation protective device during use with the resulting |
12/31/2003 | CN1133307C Modulation apparatus and method using zero-crossing detection |
12/31/2003 | CN1133306C High frequency radio signal receiving device for digit communication |
12/31/2003 | CN1133295C Code division mutiple address radio commuication receiving method and device |
12/31/2003 | CN1133294C Frequency control method in CDMA communication system |
12/31/2003 | CN1133293C Signal receiving device for spread spectrum communication mode |
12/31/2003 | CN1133291C Method and device for eliminating spectrum-spreading interference in WCDMA system |
12/31/2003 | CN1133285C 多数字化频率上将接收信号数字化的无线电接收机及方法 Multi-frequency digital signal digitization will receive a radio receiver and method |
12/31/2003 | CN1133284C 在跳频无线电系统中控制发射功率的方法和装置 Method and apparatus for controlling transmission power in a frequency-hopping radio system |
12/31/2003 | CN1133283C 发射接收机 Transmitter-receiver |
12/31/2003 | CN1133281C Transceiver |
12/31/2003 | CN1133279C Autogain control circuit and receiver having said circuit |
12/31/2003 | CN1133277C 通信系统中具有串行级联结构的编码器/解码器 Communication system having a serial concatenated structure of an encoder / decoder |
12/31/2003 | CN1133233C 单馈点匹配系统的天线组件和无线电话 Antenna assembly and wireless telephone single feed point matching system |
12/31/2003 | CN1133232C 带有可伸缩天线的移动通信装置 Retractable antenna with a mobile communication device |
12/31/2003 | CA2490520A1 Diversity transmission modes for mimo ofdm communication systems |
12/31/2003 | CA2485283A1 Ultra-wideband communication through a wire medium |
12/31/2003 | CA2485255A1 Ultra-wideband communication through a wire network |
12/30/2003 | US6671736 System and method for providing demographically targeted information |
12/30/2003 | US6671660 Methods and apparatus for power control |
12/30/2003 | US6671520 Remotely operated portable wireless video/audio monitoring system |
12/30/2003 | US6671519 RF block of mobile communication base station |
12/30/2003 | US6671504 Radio squelch techniques |
12/30/2003 | US6671503 Wireless microphone system |
12/30/2003 | US6671500 Frequency plan |
12/30/2003 | US6671498 Frequency tracking and locking system of a wireless microphone |
12/30/2003 | US6671497 Combination of a radio with an earphone and a ball-point pen |
12/30/2003 | US6671496 Transmitter and receiver communication apparatus with transmitter switch and receiver switch |
12/30/2003 | US6671494 Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver |
12/30/2003 | US6671468 Light source and method for the transmission of spectrally coded data |
12/30/2003 | US6671463 Arrangement for transmitting, radiating and receiving high-frequency signals |
12/30/2003 | US6671379 Ear microphone apparatus and method |
12/30/2003 | US6671378 Detection of noise in a frequency demodulated FM audio broadcast signal |
12/30/2003 | US6671342 Phase detectors in carrier recovery for offset QAM and VSB |
12/30/2003 | US6671340 Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers |
12/30/2003 | US6671337 Carrier modulator for use in a transmitter or transceiver |
12/30/2003 | US6671331 Carrier detecting circuit for detecting the level of a received signal and communication apparatus |
12/30/2003 | US6671313 Time-weighted transmission channel estimation |
12/30/2003 | US6671311 Receiver for use in a code shift keying spread spectrum communications system |
12/30/2003 | US6671310 Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics |
12/30/2003 | US6671309 Interference diversity in communications networks |
12/30/2003 | US6671308 Spread spectrum adaptive power control |
12/30/2003 | US6671307 Spread-spectrum high data rate system and method |
12/30/2003 | US6671270 Wireless communication system and control method therefor |
12/30/2003 | US6671268 Channel estimation in a CDMA wireless communication system |
12/30/2003 | US6671267 Spread spectrum communication device and spread spectrum communication method |
12/30/2003 | US6671266 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system |
12/30/2003 | US6671251 Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in CDMA communication system |
12/30/2003 | US6670919 Adaptive antenna receiving apparatus |
12/30/2003 | US6670914 RF system for rejection of L-band jamming in a GPS receiver |
12/30/2003 | US6670901 Dynamic range on demand receiver and method of varying same |
12/30/2003 | US6670865 Method and apparatus for low loss high frequency transmission |
12/30/2003 | US6670849 System for closed loop power control using a linear or a non-linear power amplifier |
12/30/2003 | US6670801 Second harmonic tuning of an active RF device |
12/30/2003 | CA2387697C A digital correlator |
12/30/2003 | CA2305889C Device and method for transmitting preamble of access channel in mobile communication system |
12/30/2003 | CA2188667C Global positioning system (gps) receiver for recovery and tracking of signals modulated with p-code |
12/25/2003 | WO2003107531A1 Switchable gain amplifier |
12/25/2003 | US20030237100 Information display system |
12/25/2003 | US20030236670 Method for transmitting character message using voice recognition in portable terminal |
12/25/2003 | US20030236581 Method for recording live performances as two or more tracks |
12/25/2003 | US20030236100 Data transfer system |
12/25/2003 | US20030236098 Method of optimizing the search for cells in a mobile telecommunication network |
12/25/2003 | US20030236097 Method for transmitting multi-SMS in mobile telephone |
12/25/2003 | US20030236088 Portable information device capable of processing input data from external device and method thereof |
12/25/2003 | US20030236078 Wireless receiving device |
12/25/2003 | US20030236077 Method of saving power in communication devices |
12/25/2003 | US20030236076 MIMO telecommunication system with accelerated sphere decoding |
12/25/2003 | US20030236075 Wireless output input device player |
12/25/2003 | US20030236074 Scheme for realizing path selection using optimum path selection threshold in radio communication |
12/25/2003 | US20030236073 Correction of mismatch between in-phase and quadrature signals in a radio receiver |
12/25/2003 | US20030236065 Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner |
12/25/2003 | US20030235316 Method and apparatus for recording live performances |
12/25/2003 | US20030235258 Method and apparatus providing an amplitude independent automatic frequency control circuit |
12/25/2003 | US20030235241 CDMA demodulation circuit, CDMA mobile communication demodulation method used therefor, and storage medium recording program thereof |
12/25/2003 | US20030235240 Radio receiver |
12/25/2003 | US20030235239 Finger merge protection for rake receivers |
12/25/2003 | US20030235238 Multipath channel tap delay estimation in a CDMA spread spectrum receiver |
12/25/2003 | US20030235237 Spread-spectrum channel searcher and method for accelerating searching in a CDMA receiver |
12/25/2003 | US20030235236 Ultra-wideband communication through a wired medium |
12/25/2003 | US20030235235 Ultra-wideband communication through a wired network |
12/25/2003 | US20030235178 Apparatus and method for enhancing channel utilization ratio in a CDMA |
12/25/2003 | US20030235167 Multiple mode RF communication device |
12/25/2003 | US20030235147 Diversity transmission modes for MIMO OFDM communication systems |
12/25/2003 | US20030235112 Interferometric imaging method apparatus and system |
12/25/2003 | US20030234737 Personal programmable universal remote control |