| 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) |
|---|
| 06/05/2013 | CN202978928U 宽带高速跳频中频接收机 High-speed hopping IF receiver |
| 06/05/2013 | CN202978927U Integrated receiving device |
| 06/05/2013 | CN202978926U Antenna in electronic equipment and electronic equipment |
| 06/05/2013 | CN202978925U VHF and UHF frequency range interconnected digital analog converter |
| 06/05/2013 | CN202978924U Calling terminal of wireless calling service system of shopping place |
| 06/05/2013 | CN202978923U Call terminal for wireless call service system of store |
| 06/05/2013 | CN202978922U Portable receiving terminal for wireless call service system in store |
| 06/05/2013 | CN202978921U Wireless call service system for shopping place |
| 06/05/2013 | CN202978920U Calling terminal for wireless calling service system of shopping place |
| 06/05/2013 | CN202978919U TD-SCDMA based vehicle-mounted system |
| 06/05/2013 | CN202978918U Wireless terminal based on voice platform |
| 06/05/2013 | CN202978917U Wired terminal based on voice platform |
| 06/05/2013 | CN202978916U Eight-channel TR assembly |
| 06/05/2013 | CN202978915U Wireless data transmission device |
| 06/05/2013 | CN202978914U 零中频接收机 Zero IF receiver |
| 06/05/2013 | CN202978913U Circuit for modularizing vehicular radio antenna socket and radio circuit |
| 06/05/2013 | CN202978912U Intelligent public address system |
| 06/05/2013 | CN202978911U Satellite receiver of Ku wave band |
| 06/05/2013 | CN202978910U Digital satellite receiver and LNB power supply control circuit thereof |
| 06/05/2013 | CN202978909U Receiving decoder of satellite broadcasting system |
| 06/05/2013 | CN202978908U Team smart explanation receiver |
| 06/05/2013 | CN202978907U Broadband up-conversion emission channel |
| 06/05/2013 | CN202978906U Team smart explanation transmitter |
| 06/05/2013 | CN202978905U Information sender |
| 06/05/2013 | CN202978904U Intermediate frequency sampling device |
| 06/05/2013 | CN202977714U Antenna module and wireless transmitting and receiving device |
| 06/05/2013 | CN202976764U Large screen used for selling field wireless calling service system |
| 06/05/2013 | CN202975894U Mobile logging terminal on based on cloud computing service |
| 06/05/2013 | CN202958895U Spittle prevention mask with communication function |
| 06/05/2013 | CN1983865B Code division multiplex transmission manner, transmitter and receiver |
| 06/05/2013 | CN1879304B Phase-locked loop bandwidth calibration circuit and method thereof |
| 06/05/2013 | CN1754362B Pulse waveform producing method |
| 06/05/2013 | CN103141154A Techniques to control a shared antenna architecture for multiple co-located radio modules |
| 06/05/2013 | CN103141032A Mobile terminal and method for manufacturing same |
| 06/05/2013 | CN103141031A Impedance converting circuit and communication terminal apparatus |
| 06/05/2013 | CN103139126A Universal method for achieving transmit-receive synchronization of wireless communication testing platform |
| 06/05/2013 | CN103138893A Radio transmission device and radio transmission method |
| 06/05/2013 | CN103138845A Amplitude phase characteristic test method for down-conversion reception channel of ultra-wide band synthetic aperture radar (SAR) receiver |
| 06/05/2013 | CN103138801A Device and method for automatic switching of narrow-band power line carrier and micro-power wireless binary channel |
| 06/05/2013 | CN103138800A Ultra wide band synchronization method |
| 06/05/2013 | CN103138799A Modulation method of low sidelobe random frequency hopping pulse signal |
| 06/05/2013 | CN103138798A Pseudo-noise (PN) code bothway sliding capturing method |
| 06/05/2013 | CN103138797A Transponder unit, system and method for contactless data transmission |
| 06/05/2013 | CN103138796A Data management routine (DMR) digital interphone supporting relaying and forwarding of identical and different frequencies |
| 06/05/2013 | CN103138795A Communication pathway supporting an advanced split microwave backhaul architecture |
| 06/05/2013 | CN103138794A Radio frequency device and wireless communication device |
| 06/05/2013 | CN103138793A Transceiver free of crystal oscillator |
| 06/05/2013 | CN103138792A Receiver |
| 06/05/2013 | CN103138791A Method and system for achieving accurate timing by combining relay module and upper computer and relay module |
| 06/05/2013 | CN103138790A Mobile communications device providing secure element data wiping features and related methods |
| 06/05/2013 | CN103138789A Vehicle portable device and information communication system |
| 06/05/2013 | CN103138788A Immovable communication station |
| 06/05/2013 | CN103138787A Radio communication equipment capable of isolating transmitter and receiver in receiving period |
| 06/05/2013 | CN103138786A Vehicle networking transceiver station refitted by public telephone station |
| 06/05/2013 | CN103138785A Mobile communication terminal with radio frequency identification device (RFID) function |
| 06/05/2013 | CN103138784A Radio frequency matching control apparatus and method for portable communication terminal |
| 06/05/2013 | CN103138783A Wireless communication device, power transmitter, and IC card device |
| 06/05/2013 | CN103138782A Solar external sounding type radio with dual protection functions |
| 06/05/2013 | CN103138781A Interactive broadcast receiver |
| 06/05/2013 | CN103138780A RF transmitter for electrically short antenna |
| 06/05/2013 | CN103138779A Electronic packet device and transmitting method thereof |
| 06/05/2013 | CN103138778A Signal apparatus with an acoustic signal unit and a light signal unit |
| 06/05/2013 | CN103138777A Framework for communication device |
| 06/05/2013 | CN103138776A Multiple output Zigbee launcher |
| 06/05/2013 | CN103138775A Communication embedded device |
| 06/05/2013 | CN103138774A Auxiliary signal electronic transmitting system |
| 06/05/2013 | CN103138773A Electronic control input terminal |
| 06/05/2013 | CN103138772A Signal guiding equipment |
| 06/05/2013 | CN103138771A Signal processing device |
| 06/05/2013 | CN103138743A High-efficiency low-power-consumption on-off keying detector of impulse ultra wide band |
| 06/05/2013 | CN103138043A Antenna module and mobile terminal |
| 06/05/2013 | CN103136964A Automobile motion state networking intercommunication device |
| 06/05/2013 | CN103136903A Carbon monoxide alarming device additionally arranged on radio |
| 06/05/2013 | CN103136496A Electronic device system and electronic device |
| 06/05/2013 | CN102237892B Satellite communication multi-beam joint detection combining method compatible with TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) |
| 06/05/2013 | CN102187588B Method and device for automatic gain adjustment in wireless receiver |
| 06/05/2013 | CN102104411B Receiver circuit used for pico-satellite |
| 06/05/2013 | CN102104388B Audio play system and earphone used by same |
| 06/05/2013 | CN102082583B Method and device for estimating frequency deviation |
| 06/05/2013 | CN102075272B Method for predicting receiving performance of receiver in multi-path channel transmission |
| 06/05/2013 | CN101997580B Information receiving and transmitting mode for avoiding wireless transmission storm |
| 06/05/2013 | CN101989893B Signal detection method of space division multiplexed uplink shared channel |
| 06/05/2013 | CN101958726B Method and device for eliminating frequency deviation through temperature compensation in WCDMA (Wideband Code Division Multiple Access) frequency selector |
| 06/05/2013 | CN101958724B Shift m sequence family spread spectrum RFID air interface reader-writer network |
| 06/05/2013 | CN101951277B Method for suppressing residual multi-user interference in two-dimensional block spread spectrum system based on maximum likelihood detection |
| 06/05/2013 | CN101951276B Method for detecting and suppressing Gaussian fitting linear frequency-modulated jamming in direct sequence spread spectrum (DSSS) communication system |
| 06/05/2013 | CN101938287B Handheld satellite communication terminal and method for guiding user to align antenna with satellite by using same |
| 06/05/2013 | CN101924576B Method for automatically screening virtual neighboring cell during multi-cell union detection |
| 06/05/2013 | CN101917206B Integrated talkback chip and integrated talkback system with dual tone multiple frequency coding and decoding function |
| 06/05/2013 | CN101911624B Modulation scheme switching type communication device and modulation scheme switching method |
| 06/05/2013 | CN101908904B Method for generating ultra-wideband pulse of arbitrary waveform |
| 06/05/2013 | CN101902288B Method for measuring delay of direct sequence spread spectrum binary phase shift keying modulator |
| 06/05/2013 | CN101854192B Frequency hopping method and system supporting multi-user reusing-one-slot |
| 06/05/2013 | CN101848007B Apparatus and methods for digital adaptive equalizer in serial receiver |
| 06/05/2013 | CN101771432B Demodulation method and system used in hybrid transmission of uplink pilot signal and service signal |
| 06/05/2013 | CN101753204B Spread spectrum acquisition method in multi-path dense environment |
| 06/05/2013 | CN101753167B Synchronous tracking and adjacent subdistrict distance measuring method and system |
| 06/05/2013 | CN101741776B Method and device for eliminating interference signals |
| 06/05/2013 | CN101741412B Construction method of spreading codes and multi-community joint detection method |
| 06/05/2013 | CN101689952B Apparatus and method for removing common phase error in a DVB-T/H receiver |