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)
03/2004
03/03/2004EP1395002A1 Apparatus for performing wireless communication and wireless communication control method applied to the apparatus
03/03/2004EP1394994A2 Data transmission system and wearable communications device
03/03/2004EP1394972A1 High speed interface for radio systems
03/03/2004EP1394964A1 Cdma transmission diversity apparatus
03/03/2004EP1394959A1 A method for multi-path radio receiving and a receiver adapted for the method
03/03/2004EP1394958A2 Mobile phone
03/03/2004EP1394957A1 Receiver and ic
03/03/2004EP1394956A2 Power saving facility for radio receiver
03/03/2004EP1394955A2 A system for detecting the characteristics of a time varying multipath component
03/03/2004EP1394954A2 Transmitter
03/03/2004EP1394951A1 Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium
03/03/2004EP1394936A2 Enhanced automatic gain control
03/03/2004EP1394931A2 Method and device for producing and sending discontinuoulsy a fundamental frequency in a predetermined carrier frequency
03/03/2004EP1394895A1 Directive antenna elements
03/03/2004EP1394772A1 Signaling of window switchings in a MPEG layer 3 audio data stream
03/03/2004EP1393561A1 Technique for optimizing the delivery of advertisements and otherprogramming segments by making bandwidth tradeoffs
03/03/2004EP1393554A1 Enhanced epg to find program start and end segments
03/03/2004EP1393551A2 Quadrature demodulator
03/03/2004EP1393533A2 Electrical devices
03/03/2004EP1393516A2 Frequency sarcher and frequency-looked data demodulator using a programmable rotator
03/03/2004EP1393490A1 Method and apparatus for estimating the signal to interference ratio of a wireless channel
03/03/2004EP1393480A2 Silence detection
03/03/2004EP1393478A2 Method and apparatus for information conveyance and distribution
03/03/2004EP1393471A1 Multi-mode communication device with position location
03/03/2004EP1393469A1 Multi-mode satellite and terrestrial communication device
03/03/2004EP1393466A1 Allocation of uplink resources in a multiple-input multiple-output (mimo) communication system
03/03/2004EP1393460A1 Method for estimating a mobile radiotelephone channel, and mobile radiotelephone receiving device
03/03/2004EP1393455A2 Quadrature alignment in communications receivers
03/03/2004EP1393438A1 Linearized switch-based power amplifier
03/03/2004EP1393408A1 Safety shield
03/03/2004EP1393406A1 A portable radio communication device and an antenna arrangement for a portable radio communication device
03/03/2004EP1393403A2 Tunable phase shifter and applications for same
03/03/2004EP1393304A1 Digital audio playback using local stored content
03/03/2004EP1393301A1 Estimating signal power in compressed audio
03/03/2004EP1393245A1 Communication between a transponder and an interrogator
03/03/2004EP1393239A1 Transponder system with a communication station comprising station identification signal generating means
03/03/2004EP1232575A4 Apparatus and method for assigning a common packet channel in a cdma communication system
03/03/2004EP1206872A4 Reduced power line driver
03/03/2004EP1147603B1 Antenna system for radio frequency identification
03/03/2004EP1138126B1 Method and apparatus for configuring a rake receiver
03/03/2004EP1068652B1 Device for controlling the impedance returned on an electronic label antenna
03/03/2004EP1068651B1 Cellular telephone arrangements
03/03/2004EP0941575B1 Efficient parallel-stage power amplifier
03/03/2004EP0890223B1 Method for allocating rake branches and rake receiver
03/03/2004EP0803097B1 Automatic cellular phone battery charging by mobile personal computer
03/03/2004CN2605704Y Lighting radio with manual generating device
03/03/2004CN2605640Y Wireless remote control speech advertising voice box
03/03/2004CN1479982A Mobile communication system, multicarrier CDMA transmitter and receiver thereof
03/03/2004CN1479978A Multipath communications receiver
03/03/2004CN1479971A Device and method for power ramp up of wireless modem transmitter
03/03/2004CN1479967A Multi-mode radio communications device using common reference oscillator
03/03/2004CN1479952A Device for separting transomission and reception signals
03/03/2004CN1479549A Radio telephone with improved specific absorptivity
03/03/2004CN1479543A Linear power amplifier rack of mobile communication base station and its switchover method of the type
03/03/2004CN1479505A Double axle hinging device
03/03/2004CN1479473A Method of obtaining CDMA honeycomb type communication initial pilot
03/03/2004CN1479455A Fast replacing method of elastic group loop network
03/03/2004CN1479453A Method of realizing main control plate thermal redundancy
03/03/2004CN1479452A Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy
03/03/2004CN1479408A Pertable raido communication device
03/03/2004CN1479394A Pole assembly of lithium ion cell and lithium ion cell using the assembly
03/03/2004CN1479198A 触摸面板器件及其制作方法 The touch panel device and manufacturing method thereof
03/03/2004CN1141003C Method based on joint transmission and predistortion technique for processings ignals to be transmitted
03/03/2004CN1140985C Circuit and method for recording and reproducing speech and other sounds in digital mobile radio devices
03/03/2004CN1140970C Mobile communication system with moving stage and base station
03/03/2004CN1140969C Receiving device for radio communication system for reception of subscriber signals via air interface
03/03/2004CN1140967C Automatic gain control method for digital base band and its implementation device
03/02/2004US6701431 Method of generating a configuration for a configurable spread spectrum communication device
03/02/2004US6701167 Portable radio terminal capable of obtaining good polarization efficiency regardless of position and direction of antenna
03/02/2004US6701166 Switch for sensing opening-closing of radio terminal
03/02/2004US6701164 Mobile communication system with zone-shift control apparatus
03/02/2004US6701163 Base station apparatus and method for suppressing peak electric power
03/02/2004US6701159 Jacket for cellular phone
03/02/2004US6701158 Use controller for a wireless communication device
03/02/2004US6701142 Mixer oscillator stage
03/02/2004US6701138 Power amplifier control
03/02/2004US6701134 Increased dynamic range for power amplifiers used with polar modulation
03/02/2004US6701128 Transmission system
03/02/2004US6701126 System and method for implementing a constellation of non-geostationary satellites that does not interfere with the geostationary satellite ring
03/02/2004US6700990 Digital watermark decoding method
03/02/2004US6700976 Noise canceler system with adaptive cross-talk filters
03/02/2004US6700939 Ultra wide bandwidth spread-spectrum communications system
03/02/2004US6700936 Many-carrier transmission system and a receiver therefor
03/02/2004US6700929 Method and apparatus for multipath parameter estimation in spread-spectrum communications systems
03/02/2004US6700925 Apparatus for detecting correlation, spectrum despread apparatus and receiver having the same, and method for detecting correlation
03/02/2004US6700924 Spread-spectrum data transmission apparatus comprising a data receiver
03/02/2004US6700923 Adaptive multiple access interference suppression
03/02/2004US6700921 Spread-spectrum communication apparatus
03/02/2004US6700920 Frequency hopping system for intermittent transmission
03/02/2004US6700880 Selection mechanism for signal combining methods
03/02/2004US6700796 Transponder and appliance
03/02/2004US6700792 High-frequency composite component and portable wireless device incorporating the component
03/02/2004US6700545 Antenna apparatus and transmission/reception apparatus having such an antenna apparatus
03/02/2004US6700514 Feed-forward DC-offset canceller for direct conversion receiver
03/02/2004US6700462 Microstrip line filter combining a low pass filter with a half wave bandpass filter
03/02/2004US6700387 Systems and methods for impedance synthesis
03/02/2004CA2279471C Detectors for cdma systems
03/02/2004CA2251845C Transmit sequencing
03/02/2004CA2151459C Network controller for cable television delivery systems
03/02/2004CA2151456C Reprogrammable terminal for suggesting programs offered on a television program delivery system