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)
12/2004
12/01/2004CN1178380C Radio frequency receiver and radio frequency device with fast charging of input capacitance and method
12/01/2004CN1178379C RF signal amplifier unit, transmission device and transmtiting terminal-antenna
12/01/2004CN1178332C Antenna device and radio device using the device, and radio repeater
12/01/2004CN1178329C Medium filter, medium antenna diplexer and communicator apparatus
11/2004
11/30/2004US6826702 Method and apparatus for reducing power consumption of a CPU in a radio set by adaptively adjusting CPU clock frequency according to CPU load
11/30/2004US6826647 Voice operated communications interface
11/30/2004US6826526 Audio signal coding method, decoding method, audio signal coding apparatus, and decoding apparatus where first vector quantization is performed on a signal and second vector quantization is performed on an error component resulting from the first vector quantization
11/30/2004US6826525 Method and device for detecting a transient in a discrete-time audio signal
11/30/2004US6826419 Signal processing apparatus and method
11/30/2004US6826418 Radio circuit and control method of radio circuit
11/30/2004US6826411 Low power interference signal code power (ISCP) measurement
11/30/2004US6826410 Method and apparatus relating to radio communication
11/30/2004US6826409 Method and apparatus for implementing measurement based dynamic frequency hopping in wireless communication systems
11/30/2004US6826392 Multipath noise reduction method, multipath noise reducer, and FM receiver
11/30/2004US6826389 Transmitter and method of generating a transmission signal
11/30/2004US6826388 Mobile communication apparatus including dividers in transmitter and receiver
11/30/2004US6826244 Initial cell search algorithm for 3G FDD wireless communication systems
11/30/2004US6826242 Method for whitening colored noise in a communication system
11/30/2004US6826237 Radio transmitter
11/30/2004US6826235 Robust communications system utilizing repetition code and cumulative decoder associated therewith
11/30/2004US6826234 Radio communication apparatus and radio communication method
11/30/2004US6826169 Code multiplexing transmitting apparatus
11/30/2004US6826165 Radio frequency local area network
11/30/2004US6826140 Multichannel digital recording system with multi-user detection
11/30/2004US6826120 Child wristwatch type communications device
11/30/2004US6825874 Monitoring the degree of action in video transmissions
11/30/2004US6825818 Tunable matching circuit
11/30/2004US6825810 Audio extension for wireless communication devices
11/30/2004US6825808 Adaptive array antenna receiving apparatus capable of shortening convergence time of antenna weight
11/30/2004US6825802 Avoiding interference to a GPS receiver from wireless transmissions by time multiplexing GPS reception
11/30/2004US6825774 Device for influencing the operating status of an electronic appliance
11/30/2004US6825773 Radio frequency data communications device
11/30/2004US6825751 Data communication apparatus, wristwatch type electronic device, and authentication system
11/30/2004US6825722 Mixer and differential amplifier having bandpass frequency selectivity
11/30/2004CA2363051C Improved electronic television program schedule guide systems and method
11/30/2004CA2328441C Device and method of continuous outer-loop power control in dtx mode for cdma mobile communication system
11/30/2004CA2319442C Selective frequency hopping
11/30/2004CA2316226C A system and method for synchronizing acquisition for a code modulated communication system
11/30/2004CA2309726C Base station device and transmission method
11/30/2004CA2295485C Forward link power control device and methods for a mobile communication system supporting transmission diversity
11/30/2004CA2294535C Radio interface for a cordless small system using the 2.4 ghz ism band
11/29/2004CA2467134A1 Semantic object synchronous understanding for highly interactive interface
11/25/2004WO2004103037A1 Component module, especially for mobile terminals, comprising an optimized baseband/hf array
11/25/2004WO2004103000A2 Radio communications apparatus
11/25/2004WO2004102977A2 Communication device
11/25/2004WO2004102930A1 Information processing device, information processing method, and information processing program
11/25/2004WO2004102891A1 Interference cancellation in wireless relaying networks
11/25/2004WO2004102826A2 Spread-spectrum modulator and demodulator
11/25/2004WO2004102825A1 Subtractive multipath detection method
11/25/2004WO2004102824A1 Determination of a channel estimate of a transmission channel
11/25/2004WO2004102823A1 Portable computer device with anti-theft function
11/25/2004WO2004102822A1 Portable radio
11/25/2004WO2004102821A1 Method and system for power save mode in wireless communication system
11/25/2004WO2004102820A2 Peak current control in wireless network interface devices
11/25/2004WO2004102819A1 Wireless communication receiver having an adc with a limited dynamic range
11/25/2004WO2004102818A2 Integer cycle frequency hopping modulation for the radio frequency transmission of high speed data
11/25/2004WO2004102816A2 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/25/2004WO2004102814A2 Torque cell
11/25/2004WO2004102813A2 Estimation of multipath channel with sub-chip resolution
11/25/2004WO2004102728A1 Supercondcution receiver system
11/25/2004WO2004102616A2 Method for soft and softer handover in time division duplex code division multiple access (tdd-cdma) networks
11/25/2004WO2004102466A1 Memory card connector
11/25/2004WO2004086637A8 Direct-conversion receiver system and method with quadrature balancing and dc offset removal
11/25/2004WO2004073186A3 Selective data inversion in ultra-wide-band communications t eliminate line frequencies
11/25/2004WO2004068724A3 Receiver having automatic burst mode i/q gain and phase balance
11/25/2004WO2004061364A3 Apparatus for displaying an illumination pattern and method thereof
11/25/2004WO2004017536A3 Dynamic frequency selection and radar detection with a wireless lan
11/25/2004US20040237052 Method of using physical buttons in association with a display to access and execute functions available through associated hardware and software
11/25/2004US20040237001 Memory integrated circuit including an error detection mechanism for detecting errors in address and control signals
11/25/2004US20040236479 Remote control communication system and transmitting and receiving apparatuses
11/25/2004US20040236196 Signal processing apparatus
11/25/2004US20040235540 Portable terminal unit
11/25/2004US20040235538 Portable electronic apparatus and bag package protective device
11/25/2004US20040235537 Radio communications apparatus
11/25/2004US20040235510 Method and system for simultaneous bi-directional wireless communication between a user and first and second base stations
11/25/2004US20040235501 Radio device and base station device
11/25/2004US20040235497 Wireless local positioning system
11/25/2004US20040235487 System and method for piggybacking data across an open data channel of a wireless device
11/25/2004US20040235445 Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
11/25/2004US20040235444 Orthogonal frequency division multiplexing transceiver and method of operating the same
11/25/2004US20040235441 Method of controlling filter bandwidth in a radio receiver for a duplicative broadcast signal
11/25/2004US20040235439 Method and apparatus for selective disregard of co-channel transmissions on a medium
11/25/2004US20040235438 Radio transmitters with temperature compensated power control profiles and methods of operating same
11/25/2004US20040235435 Switchless combining of multi-carrier coherent and incoherent carriers
11/25/2004US20040235431 Service implementing method and apparatus based on an ultraviolet index in a mobile terminal
11/25/2004US20040235430 Mobile phone and scent dispenser thereof
11/25/2004US20040235429 High performance audio communication system for motorcycles
11/25/2004US20040235426 Monolithic microwave integrated circuit transceiver
11/25/2004US20040235423 Method and apparatus for network management using perceived signal to noise and interference indicator
11/25/2004US20040235415 Low-noise block down-converter and satellite broadcasting receiving apparatus suitable for receiving a plurality of types of polarization signals transmitted from each of a plurality of satellites
11/25/2004US20040235413 Mobile terminal having image processing function and method therefor
11/25/2004US20040234271 System and method of using variable pulses for symbology
11/25/2004US20040234150 Quantization matrix adjusting method for avoiding underflow of data
11/25/2004US20040234081 Automobile audio system
11/25/2004US20040234069 Dynamic balance control for telephone
11/25/2004US20040234017 Delay line based multiple frequency generator circuits for CDMA processing
11/25/2004US20040234015 Efficient filtering of RxLOS signal in SerDes applications
11/25/2004US20040234011 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal
11/25/2004US20040234008 Method and apparatus for reducing the time required to acquire a GPS signal
11/25/2004US20040234007 Multiuser detection with targeted error correction coding