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)
05/2012
05/09/2012CN102447493A Communication method based on low-voltage power line, and communication device
05/09/2012CN102447489A Frequency hopping sequence predicting method for non-continuous tap model
05/09/2012CN102447488A Message transmission system and message transmission method for ships
05/09/2012CN102447487A Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback
05/09/2012CN102447486A Data interface apparatus having adaptive delay control function
05/09/2012CN102447485A RF (radio frequency) energy conversion circuit
05/09/2012CN102447484A Digital detection device
05/09/2012CN102447483A Voice terminal of emergency communication system based on wire telephone network
05/09/2012CN102447482A Tuner
05/09/2012CN102447481A Front end structure of airborne receiver of satellite communication system
05/09/2012CN102447480A Solar radio
05/09/2012CN102447479A Automatic frequency-selecting technology applied to GSM digital repeater
05/09/2012CN101872157B Automobile audio wireless automatic switching control system and method thereof
05/09/2012CN101667816B Electrically tunable filter
05/09/2012CN101574911B Tire pressure monitoring system and signal matching device thereof
05/09/2012CN101517903B 多媒体信息接收装置 The multimedia information receiving apparatus
05/09/2012CN101409573B Method for reducing transmission amount of united detection message and apparatus thereof
05/09/2012CN101378262B Power amplifier protection device and method for UHF wide-band transmitter
05/09/2012CN101370208B Method for implementing ubiquitous intelligent human-machine interaction chip based on personal identification
05/09/2012CN101331726B Method and device for signal processing
05/09/2012CN101312355B DCS/WCDMA dual-frequency combiner and general dual-frequency combiner
05/09/2012CN101299618B Real time clock circuit of intelligent mobile phone
05/09/2012CN101283518B Radio frequency switch
05/09/2012CN101242252B Method for realizing dual-link redundancy backup of network device based on Combo interface
05/09/2012CN101227238B Method and apparatus for multipoint fault protection
05/09/2012CN101174866B Pilot signal transmission method for multiple transmitting antenna system based on orthogonal frequency division multiplexing
05/09/2012CN101145882B Implementation method for quick protective switch
05/09/2012CN101128982B Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling
05/09/2012CN101106556B FM decoding chip, stereo decoding system and method
05/09/2012CN101094256B Foldable cellular telephone
05/09/2012CN101064519B Transmission circuit, and communication apparatus using the same
05/09/2012CN101056299B Self-adapting peak value limiter and multiple carrier wave sending device
05/09/2012CN101040509B In-vehicle handsfree telephone system
05/09/2012CN101040460B Mobile communication terminal and reception diversity interrupting method
05/09/2012CN101036319B Booster
05/09/2012CN101027845B Receiver and method of estimating received signal quality in communications system
05/08/2012USRE43367 Power-based hardware diversity
05/08/2012US8176432 Hand held remote control device having an improved user interface
05/08/2012US8176351 Sampling mechanism for data acquisition counters
05/08/2012US8175662 System and method for selectively activating a communication device
05/08/2012US8175660 Wireless energy transfer
05/08/2012US8175659 Mobile terminal device and network connection control method
05/08/2012US8175658 Power apparatus, wireless communication apparatus having the same, and power supplying method thereof
05/08/2012US8175653 Chromeless user interface
05/08/2012US8175651 Devices and methods for automating interactive voice response system interaction
05/08/2012US8175650 Providing telephone services based on a subscriber voice identification
05/08/2012US8175649 Method and system for real time control of an active antenna over a distributed antenna system
05/08/2012US8175647 Combined base transceiver station and base station controller
05/08/2012US8175646 Networking of multiple mode handheld computing unit
05/08/2012US8175637 Method for multi-party call in mobile station
05/08/2012US8175636 Desktop phone with interchangeable wireless handset
05/08/2012US8175627 Method and apparatus for transmitting/receiving data in wireless sensor network
05/08/2012US8175604 Efficient rise over thermal (RoT) control during soft handover
05/08/2012US8175569 Device control
05/08/2012US8175568 Method of improving battery life
05/08/2012US8175567 Method and apparatus for searching for signals in a wireless communication system
05/08/2012US8175566 Multiple multi-mode low-noise amplifier receiver with shared degenerative inductors
05/08/2012US8175565 Image rejection scheme for receivers
05/08/2012US8175564 Wireless communication apparatus and method of selecting antenna thereof
05/08/2012US8175563 Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
05/08/2012US8175562 Automatic gain control for enhanced bit error rate performance
05/08/2012US8175561 Automatic optimization of RF receiver interference performance
05/08/2012US8175560 Method and system for tuning an antenna
05/08/2012US8175557 Processing received digital data signals based on a received digital data format
05/08/2012US8175556 Methods for optimizing power amplifier settings for operation at different radio-frequency bands
05/08/2012US8175554 Radio frequency communication devices and methods
05/08/2012US8175552 Filter circuit, wireless transmitter, and wireless receiver
05/08/2012US8175551 Distortion compensation device for use in high-frequency power amplifier
05/08/2012US8175550 Method and apparatus for interference mitigation by removing a portion of the transmit signal
05/08/2012US8175549 Closed loop transmitter IQ calibration
05/08/2012US8175548 Method and device for transmitting a sequence of transmission bursts
05/08/2012US8175547 Disposable chemical sensor and wireless communication device
05/08/2012US8175546 Receive antenna interface for an RF transceiver
05/08/2012US8175545 Communication devices with integrated thermal sensing circuit and methods for use therewith
05/08/2012US8175544 System and method providing variable-frequency if conversion in a multimode communication device
05/08/2012US8175543 Method and system for wireless communication using integrated clock generation for bluetooth and FM transmit and FM receive functions
05/08/2012US8175542 Transceiver with plural space hopping phased array antennas and methods for use therewith
05/08/2012US8175541 Radio frequency transceiver front end circuit
05/08/2012US8175540 Intermodulation distortion control
05/08/2012US8175539 System and method for management of a shared frequency band
05/08/2012US8175538 Calibrating a wireless communication device
05/08/2012US8175535 Active cancellation of transmitter leakage in a wireless transceiver
05/08/2012US8175532 Apparatus and method for wireless communication via at least one of directional and omni-direction antennas
05/08/2012US8175303 Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle
05/08/2012US8175295 Method and an apparatus for processing an audio signal
05/08/2012US8175204 Receiving device, signal processing method, and program
05/08/2012US8175203 Broadcast channel estimator
05/08/2012US8175202 Receiver with clock drift compensation
05/08/2012US8175201 Systems and methods for adaptive equalization in recording channels
05/08/2012US8175200 Hybrid correlation and least squares channel estimation
05/08/2012US8175195 Method for detecting paths in pulse transmission and a device for carrying out said method
05/08/2012US8175176 FFT window spread generating method
05/08/2012US8175167 Method, apparatus and system for use in multimedia signal encoding
05/08/2012US8175166 Method of decoding a macroblock based on a macroblock level of the macroblock
05/08/2012US8175165 Methods and apparatus for deriving an order-16 integer transform
05/08/2012US8175145 Post-processing for reducing quantization noise of an encoder during decoding
05/08/2012US8175144 Method and apparatus for cached adaptive transforms for compressing data streams, computing similarity, and recognizing patterns
05/08/2012US8175139 Multimode multicarrier modem system and method of communication over the same
05/08/2012US8175137 Method of processing a digital signal derived from a direct-sequence spread spectrum signal
05/08/2012US8175136 Noise cancellation method, receiver circuit, and electronic instrument
1 ... 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 ... 1886