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)
03/2014
03/26/2014CN203504543U Underground micro-power consumption long distance wireless data transmission apparatus
03/26/2014CN203504542U Steadily working supersonic wave emission circuit
03/26/2014CN203504541U Frequency stabilization transmitter circuit for router
03/26/2014CN203504540U Wireless signal emitter for router
03/26/2014CN203504539U High-frequency signal emitter for router
03/26/2014CN203504538U Audio emitting device used for video monitoring device
03/26/2014CN203504537U Ultrasonic transmitter circuit for remote router
03/26/2014CN203504536U Electronic dish clamp non-contact emitter
03/26/2014CN203504535U Electronic manufacturing card contact emitter
03/26/2014CN203503162U Signal receiving circuit based on infrared audio transmission
03/26/2014CN203503142U Wireless receiving and transmitting device for water level
03/26/2014CN203503140U Receiving terminal circuit adopted in temperature control system
03/26/2014CN203503139U Transmitting terminal circuit adopted in temperature control system
03/26/2014CN203503138U Wireless communication module for heating-power monitoring
03/26/2014CN103688471A Circuit substrate
03/26/2014CN103688452A Flexure apparatus, system, and method
03/26/2014CN103687052A Data transmission method and electronic equipment
03/26/2014CN103686996A Method for providing land-based navigation positioning signals, land-based navigation positioning method and land-based navigation positioning system
03/26/2014CN103686993A Transmission system, location management system, and method of transmitting location data
03/26/2014CN103686961A Communication terminal and communication method
03/26/2014CN103685101A Receiver with multi layer interference cancellation
03/26/2014CN103685100A Circuit for signal processing and method performed by such circuit
03/26/2014CN103685091A Interference and noise estimation of communications channel
03/26/2014CN103684630A Recognition method and recognition device for transmitter identifiers in China mobile multimedia broadcasting (CMMB) network
03/26/2014CN103684593A Method and system for visible light communication based on spread spectrum technology
03/26/2014CN103684573A Portable wireless identical-frequency relay system
03/26/2014CN103684564A Multi-antenna based co-frequency co-time duplex communication method and system
03/26/2014CN103684552A Interference avoiding method and apparatus in wireless communication system
03/26/2014CN103684528A Power line carrier and wireless dual-channel network communication module
03/26/2014CN103684524A Object identification method based on UWB communication signals
03/26/2014CN103684523A Method for transmitting and receiving signal of complementary stirring code division multiple access system on basis of multi-path attenuation channels
03/26/2014CN103684522A Multi-cell joint detection method and equipment
03/26/2014CN103684521A Fast and accurate synchronization method for spread spectrum underwater acoustic communication
03/26/2014CN103684520A Satellite intermediate frequency signal conversion device applied to on-board two-way communication antenna
03/26/2014CN103684519A Satellite intermediate frequency signal conversion device applied to shipborne satellite television antenna
03/26/2014CN103684518A Radio frequency circuit shared by transmitting and receiving matching networks based on on-chip transformer
03/26/2014CN103684517A Antenna-adjustable matching network and mobile terminal
03/26/2014CN103684516A Signal transceiving baseband circuit of automatic recognition system
03/26/2014CN103684515A Handheld-type dual-frequency-band ultrashort wave air radio station
03/26/2014CN103684514A Multichannel ADC synchronous sampling intermediate frequency receiver and synchronous sampling method
03/26/2014CN103684513A Bypassing duplex filter
03/26/2014CN103684512A Mobile terminal and controlling method thereof
03/26/2014CN103684511A Liquid mems component and rf applications thereof
03/26/2014CN103684510A Radio circuit and component thereof including temperature responsive liquid mems
03/26/2014CN103684509A Switching circuit for antenna
03/26/2014CN103684508A Low-energy consumption wireless transmission module structure running under complex environment
03/26/2014CN103684507A Radio frequency module with SAW filter capable of being replaced
03/26/2014CN103684506A Radio frequency comprehensive module based on four-unit phased-array antennas multiplexing
03/26/2014CN103684505A Mobile base station transceiver with redundant power source
03/26/2014CN103684504A Miniature relay data transmission user terminal system and realization method thereof
03/26/2014CN103684503A A stationary communication device comprising an antenna
03/26/2014CN103684502A Chip card communication arrangement and chip card communication circuit
03/26/2014CN103684501A Antenna tuning via multi-feed transceiver architecture
03/26/2014CN103684500A A method for pairing a wireless transmitting terminal and a wireless receiving terminal and a correlative apparatus
03/26/2014CN103684499A Audio data transmission method, and signal converter and stereo equipment using the same
03/26/2014CN103684498A Electronic information terminal
03/26/2014CN103684497A Frequency band enfolding type digital channelization receiving method based on fractional order Fourier transform
03/26/2014CN103684496A Receiver of digital interphone and signal processing method of receiver
03/26/2014CN103684495A Circuit arrangement and method for low power mode management
03/26/2014CN103684494A Receiver circuit and associated method
03/26/2014CN103684493A Reception device and reception method
03/26/2014CN103684492A Radio frequency signal sampling device, a reception machine and a base station.
03/26/2014CN103684491A Broadcast receiver and manual tuning method
03/26/2014CN103684490A Passive intermodulation outlier quick locating method based on vector network analyzer
03/26/2014CN103684489A Method for reducing interference and electronic device
03/26/2014CN103684488A Receiver, active termination circuit for receiver and method for operating the circuit
03/26/2014CN103684487A Multipath interference reduction
03/26/2014CN103684486A Interference cancellation in multi-mode radio access technology devices
03/26/2014CN103684485A Multifunction radio
03/26/2014CN103684484A Method for transmitting signals, transmitter and electronic device
03/26/2014CN103684483A Data and/or command signal transmission device with antenna arrangements
03/26/2014CN103684482A Minimizing bandwidth in down-conversion of multiple RF channels
03/26/2014CN103684481A RF front end module and mobile wireless device
03/26/2014CN103684480A Mixed-mode signal receiving method and mixed-mode signal receiving circuit
03/26/2014CN103684479A Device for mounting radio frequency module in communication device
03/26/2014CN103684304A Gain adjustment device and gain adjustment method for wireless communication circuit
03/26/2014CN103680099A Remote controller with convenient searching function
03/26/2014CN103677339A Electromagnetic pen, electromagnetic touch receiving device and wireless communication system composed of electromagnetic pen and electromagnetic touch receiving device
03/26/2014CN103675765A High-frequency software radio receiving system
03/26/2014CN103661493A Railway vehicle picking and hanging work electronic sensor and automatic sensing method thereof
03/26/2014CN103661268A Transmitting device of wireless alarm apparatus of car
03/26/2014CN102707759B Remote-end remote control voltage-regulating and load-end sampling circuit for resistance-capacitance isolated power supply
03/26/2014CN102545953B UART (Universal Asynchronous Receiver/Transmitter) function extension circuit and control method thereof
03/26/2014CN102487284B Communication device provided with asymmetric gain antenna and communication method thereof
03/26/2014CN102386945B Communication apparatuses and wireless communications modules
03/26/2014CN102325151B Mobile vehicle-mounted terminal and platform management service system
03/26/2014CN102257734B Interference cancellation in an OFDM receiver
03/26/2014CN102244316B Double-frequency mobile communication device and antenna structure thereof
03/26/2014CN102163987B TDD (time division duplex) radio-frequency receiving/emission circuit for discrete baseband signals
03/26/2014CN101971511B Front-end circuit
03/26/2014CN101789804B Radio frequency front-end device, gain control method and system thereof
03/26/2014CN101455009B Method for testing embedded wireless transceiver with minimal interaction between wireless transceiver and host processor during testing
03/25/2014US8683066 Apparatus, system, and method for multi-bitrate content streaming
03/25/2014US8682970 Communications device user interface
03/25/2014US8682525 Method and system for determining that a user has operated a vehicle ignition switch
03/25/2014US8682403 Filter having impedance matching circuits
03/25/2014US8682402 System and method for display timeout on mobile communication devices
03/25/2014US8682398 Systems and methods for providing remote incoming call notification for cellular phones
03/25/2014US8682394 Color differentiating a portion of a text message shown in a listing on a handheld communication device
03/25/2014US8682393 Communication device and method for automatically recording numeric information in speech
1 ... 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 ... 1886