Patents
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)
05/2009
05/27/2009CN100492930C Spread spectrum communication device and spread spectrum communication method
05/27/2009CN100492929C Pass retrieval circuit using directional wave beam, wireless receiving device and wireless transmitting device
05/27/2009CN100492928C Device and method for ready signal, participant device and mixing signal segemtn
05/27/2009CN100492927C Wireless communication device capable of switching the use of external antenna component and internal antenna component
05/27/2009CN100492926C Apparatus and method of memory allocation thereof
05/27/2009CN100492925C Variable type antenna matching circuit
05/27/2009CN100492924C Portable terminal device using holographic screen for display unit
05/27/2009CN100492923C Image inhibiting filtering device capable of compensating LC network loss
05/27/2009CN100492922C Mode switching method for an oscillator and corresponding oscillator device
05/27/2009CN100492921C Receiver and method for receiving radio signal
05/27/2009CN100492905C Gauss fiv-step pulse generating method and apparatus thereof
05/27/2009CN100492904C Pulse generating method for ultra-wideband system and apparatus thereof
05/27/2009CN100492903C Tuner
05/27/2009CN100492888C Predistorter for phase modulated signals with low peak to average ratios
05/27/2009CN100492881C Local oscillator circuit and wireless device and communication system comprising same
05/27/2009CN100492759C Wireless terminal with multiple antennas
05/27/2009CN100492752C Charging device for chargeable battery
05/27/2009CN100492493C Noise removing method and device
05/27/2009CN100492385C Information processing apparatus and control method for the same
05/26/2009US7539994 Dynamic performance and resource management in a processing system
05/26/2009US7539794 PRBS generator selection in modem communication
05/26/2009US7539788 Data processing system for keeping isolation between logical partitions
05/26/2009US7539524 Mobile communication device with rotating member
05/26/2009US7539523 Portable communication device with rotating display
05/26/2009US7539522 Cordless wall phone with voltage outlet separation
05/26/2009US7539521 Locking mechanism
05/26/2009US7539520 Remote sensor interface (RSI) having power conservative transceiver for transmitting and receiving wakeup signals
05/26/2009US7539519 Power saving method and apparatus for multimode wireless terminal
05/26/2009US7539518 Time division multiplexed signal receiver apparatus
05/26/2009US7539517 Method of selecting one of dual antennas
05/26/2009US7539516 Wireless base station apparatus
05/26/2009US7539514 System and method for using a temporary electronic serial number for over-the-air activation of a mobile device
05/26/2009US7539510 Communication apparatus and portable telephone
05/26/2009US7539509 Small signal threshold and proportional gain distributed digital communications
05/26/2009US7539501 High data throughput wireless local area network receiver
05/26/2009US7539491 Authenticating between a CDMA network and a GSM network
05/26/2009US7539479 Use of T1 facility data link to transport status and configuration data packets for loop-powered T1 radio
05/26/2009US7539478 Select content audio playback system for automobiles
05/26/2009US7539477 Wireless LAN apparatus and semiconductor device
05/26/2009US7539475 Wireless terminal methods and apparatus for DC tone special treatment
05/26/2009US7539474 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
05/26/2009US7539473 Overshoot reduction in VCO calibration for serial link phase lock loop (PLL)
05/26/2009US7539472 Type-ahead keypad input for an input device
05/26/2009US7539471 Method and apparatus to provide variable gain in a radio receiver front end
05/26/2009US7539470 Tracking filter for selecting channel of wideband frequency
05/26/2009US7539468 Communication terminal device and amplification circuit
05/26/2009US7539467 Low leakage IC input structures including slaved standby current shut-off and increased gain for tighter hysteresis
05/26/2009US7539466 Amplifier with varying supply voltage and input attenuation based upon supply voltage
05/26/2009US7539465 Tuning an RFID reader with electronic switches
05/26/2009US7539464 Power series type predistorter for multi-frequency bands operation
05/26/2009US7539462 Configurable multi-mode modulation system and transmitter
05/26/2009US7539461 Radio apparatus, and method and program for controlling spatial path
05/26/2009US7539458 Apparatus and method for a system architecture for multiple antenna wireless communication systems using round robin channel estimation and transmit beam forming algorithms
05/26/2009US7539423 Loss of signal detection and programmable behavior after error detection
05/26/2009US7539345 Method of processing image and audio information, image and audio processing apparatus and computer program that causes a computer to process image and audio information
05/26/2009US7539275 Analog to feature converter for SIGINT applications
05/26/2009US7539271 System and method for multi-band ultra-wide band signal generators
05/26/2009US7539260 Detecting the number of transmit antennas in wireless communication systems
05/26/2009US7539249 Method and system to improve the transport of compressed video data
05/26/2009US7539248 Adaptive de-blocking filtering apparatus and method for MPEG video decoder
05/26/2009US7539247 VSB transmission system for processing supplemental transmission data
05/26/2009US7539246 Image encoding apparatus and method
05/26/2009US7539242 Semiconductor integrated circuit device and method of testing the same
05/26/2009US7539241 Packet detector for a communication system
05/26/2009US7539240 Method and apparatus for parameter estimation in a generalized rake receiver
05/26/2009US7539239 Apparatus for rapid PN code acquisition
05/26/2009US7539238 Extended algorithm data estimator
05/26/2009US7539236 Method for multi-user demodulation with variable spread spectrum coefficient
05/26/2009US7539235 Matched filter for scalable spread spectrum communications systems
05/26/2009US7539234 System and device for modulating UWB pulse sequences
05/26/2009US7539197 Apparatus and method for moving a receive window in a radio access network
05/26/2009US7539167 Spread spectrum receiver and method for carrier frequency offset compensation in such a spread spectrum receiver
05/26/2009US7539157 Communication system and transmission power control method
05/26/2009US7539086 System and method for the secure, real-time, high accuracy conversion of general-quality speech into text
05/26/2009US7538621 Broadband integrated tuner
05/26/2009US7538596 Low distortion quadrature mixer and method therefor
05/26/2009US7537171 Thermostat control system providing power saving transmissions
05/26/2009US7537167 Modular, portable data processing terminal for use in a radio frequency communication network
05/26/2009CA2498146C Detection of impulse noise using unused spreading codes
05/26/2009CA2486335C Direct access arrangement
05/26/2009CA2369959C Interleaver and deinterleaver for use in a diversity transmission communication system
05/22/2009WO2009065088A2 Solar-powered headset
05/22/2009WO2009065014A1 Minimum finger low-power demodulator for wireless communication
05/22/2009WO2009064968A1 Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics
05/22/2009WO2009064965A2 Coupling assembly for a foldable electronic device
05/22/2009WO2009064823A1 Method and apparatus for controlling a voice over internet protocol (voip) decoder with an adaptive jitter buffer
05/22/2009WO2009064799A1 Assigning controlled access to securable devices
05/22/2009WO2009064615A1 Method and apparatus for performing motion estimation
05/22/2009WO2009064609A2 Advertisements on mobile devices using integrations with mobile applications
05/22/2009WO2009064601A1 Mobile electronic device having capacitive sensor with reduced visibility isolation areas and corresponding method
05/22/2009WO2009064586A1 Systems and methods for mitigating the effects of upstream far-end cross talk
05/22/2009WO2009064546A1 Vox circuit interface with 2-wire communication paths
05/22/2009WO2009064545A1 Physical and mac adaptation for interference mitigation with cognitive radio
05/22/2009WO2009064132A2 Mobile phone having call control mode while driving
05/22/2009WO2009063923A1 Electric device
05/22/2009WO2009063745A1 Wireless tag communication device
05/22/2009WO2009063447A2 Multi-mode baseband-if converter
05/22/2009WO2009062953A1 Jitter compensation
05/22/2009WO2009062569A1 Method and receiver apparatus for determining a correlation value considering frequency correction
05/22/2009WO2009062393A1 Combining device including fm transmitter and wireless earphone