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)
03/2000
03/15/2000EP0986187A2 A pilot vector correlator apparatus for a CDMA modem
03/15/2000EP0986186A2 Adaptive matched filter
03/15/2000EP0986185A2 Delay locked loop tracking for direct sequence spread spectrum signals
03/15/2000EP0986184A2 Vehicle electronic system
03/15/2000EP0986171A1 Transmitting apparatus and transmitting method
03/15/2000EP0986125A1 Dielectric filter, composite dielectric filter, duplexer, and communication apparatus
03/15/2000EP0986113A1 Battery pack for a portable telephone and portable telephone using this battery pack
03/15/2000EP0986046A1 System and method for recording and synthesizing sound and infrastructure for distributing recordings for remote playback
03/15/2000EP0985525A1 Molded article and surface covering sheet therefor
03/15/2000EP0985280A1 Time-weighted transmission channel estimation
03/15/2000EP0985277A1 Bi-orthogonal code division multiple access system
03/15/2000EP0985272A1 Pen-radio receiver
03/15/2000EP0985266A1 Adjustable frequency stabilizing internal chip capacitor system
03/15/2000EP0985245A1 Radio apparatus with a built-in antenna
03/15/2000EP0868786B1 Method and device for eliminating spurious signals in a direct-sequence spread spectrum link
03/15/2000EP0823059B1 Interrogator for electronic identification system
03/15/2000EP0818060B1 Apparatus and method for adaptive beamforming in an antenna array
03/15/2000CN2369420Y Wire audio frequency receiver
03/15/2000CN2369419Y Remote controller for easily looking out
03/15/2000CN1247654A Access technique of channel hopping communications system
03/15/2000CN1247651A Data telecommunication device
03/15/2000CN1247650A PDA antenna system
03/15/2000CN1247649A Device and method for producing coded high-frequency signals
03/15/2000CN1247647A Power saving device for radio communication terminal
03/15/2000CN1247617A Data store of mobile radio station
03/15/2000CN1247442A Sequential path searching method among mobile communicating system transmitted under variable data speed
03/15/2000CN1247439A Transmitter and base station appts. using same
03/15/2000CN1247422A Propagation path estimating method for interference eliminator and interference eliminator
03/15/2000CN1247421A Code division multiplex system base station transmitter and its serial signals transmission method
03/15/2000CN1247420A Transport power controller
03/15/2000CN1247417A Detector for code division multiple access system
03/15/2000CN1247416A Double frequency band transceiver and its control method
03/15/2000CN1247415A Sound coding mode, sound coder, and data recording media
03/15/2000CN1050479C Radio communication appts.
03/15/2000CN1050478C 单频道发射机系统 Single-channel transmitter system
03/14/2000US6038695 Data transmission method and equipment for encoding a signal
03/14/2000US6038614 Active volume control with hot key
03/14/2000US6038460 Receiver for an RF signal booster in wireless communication system
03/14/2000US6038457 Apparatus and method for detecting and powering an accessory
03/14/2000US6038436 Method and apparatus for conserving power in portable, battery-operated radios
03/14/2000US6038434 Method of and apparatus for receiving and displaying RDS data
03/14/2000US6038432 Automatic transmission power control circuit
03/14/2000US6038430 Method and apparatus for improving transmission of data in a wireless network
03/14/2000US6038429 Citizen's band radio with improved reception
03/14/2000US6038428 Power control circuit for transmission apparatus
03/14/2000US6038426 System and method for securing a removable seat electronics unit without detachment of the communication cable
03/14/2000US6038272 Joint timing, frequency and weight acquisition for an adaptive array
03/14/2000US6038271 Correlator with cascade data paths to facilitate expansion of correlator length
03/14/2000US6038268 Direct conversion FSK signal radio receiver
03/14/2000US6038262 Method and apparatus for compensation of electro-magnetic distortion using weighted feedback delay for amplitude coded sinusoidal waveform generation and transmission
03/14/2000US6038259 Asynchronous digital system, asynchronous data path circuit, asynchronous digital signal processing circuit and asynchronous digital signal processing method
03/14/2000US6038252 Modulator and demodulator (MODEM)
03/14/2000US6038250 Initial synchronization method and receiver for DS-CDMA inter base station asynchronous cellular system
03/14/2000US6038249 Spectrum spread transmission method and apparatus
03/14/2000US6038238 Method to realize discontinuous transmission in a mobile phone system
03/14/2000US6038220 Method and apparatus of forward traffic channel power control for CDMA wireless local loop system
03/14/2000US6038129 Cooling electronic apparatus
03/14/2000US6037999 Tuner for receiving television signal
03/14/2000US6037907 Dual band antenna for mobile communications
03/14/2000US6037906 BroadBand aerial means
03/14/2000US6037837 Feed forward amplifier
03/14/2000US6037835 Multi-mode autonomous selection demodulator
03/14/2000US6036642 Signal processing apparatus and method
03/14/2000US6036348 Luggage management system
03/14/2000CA2282115A1 Radio wave receiver performing reception and demodulation of communication waves through software processing
03/14/2000CA2281863A1 Method and apparatus of using a bank of filters for excision of narrow band interference signal from cdma signal
03/14/2000CA2205183C Wireless radio modem with minimal interdevice rf interference
03/14/2000CA2148508C Interference cancellation system and radio system for multiple radios on a small platform
03/14/2000CA2128749C Radio transreceiver the length of which is dimensioned based on power output requirement
03/09/2000WO2000013462A1 High noise communication system
03/09/2000WO2000013432A2 Device and method for transmitting subframe in mobile communication system
03/09/2000WO2000013428A2 Portable communication equipment with mode conversion property and mode conversion control system
03/09/2000WO2000013382A1 Feher keying (fk) modulation and transceivers including clock shaping processors
03/09/2000WO2000013365A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
03/09/2000WO2000013363A1 Codec mode decoding using a priori knowledge
03/09/2000WO2000013360A1 Communication device and method of peak power control
03/09/2000WO2000013359A1 Digital communication system, its transmitter and receiver, and frame synchronization detector
03/09/2000WO2000013358A1 Synchronizing device and synchronizing method
03/09/2000WO2000013343A1 Signal splitting method for limiting peak power in a cdma system
03/09/2000WO2000013337A2 Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol
03/09/2000WO2000013334A1 Receiver and method of recovering data from radio signals
03/09/2000WO2000013333A2 Tracking system and arrangement for implementing said method
03/09/2000WO2000013332A1 Doppler corrected spread spectrum matched filter
03/09/2000WO2000013330A1 A mobile telephone carrying casing
03/09/2000WO2000013329A1 Personal communications apparatus
03/09/2000WO2000013328A1 Sound-voice equipment for mobile phone to be used in vehicles
03/09/2000WO2000013327A1 Extended sleep mode method and apparatus
03/09/2000WO2000013325A1 Transmitter-receiver, and method for controlling transmission power of the same
03/09/2000WO2000013324A2 Pn sequence identifying device in cdma communication system
03/09/2000WO2000013312A1 Control of power ratios for in-phase and quadrature channels in a communications system
03/09/2000WO2000013306A1 Direct-conversion tuner integrated circuit for direct broadcast satellite television
03/09/2000WO2000013258A1 Mobile communications terminal
03/09/2000WO2000013257A1 An antenna collar apparatus for operating switches and the like
03/09/2000WO2000013034A1 System and method for power saving in a wireless telephone with a gps receiver
03/09/2000WO2000011925A2 Circuit for frequency synthesis and modulation and radio-telephone station
03/09/2000WO2000002332A3 Method to perform a scheduled action of network devices
03/09/2000WO1999066644A3 Device and method for controlling transmission power of punctured frame
03/09/2000WO1999062253A3 Scalable audio coder and decoder
03/09/2000WO1999062052A3 System and method for entropy encoding quantized transform coefficients of a signal
03/09/2000DE19940063A1 Radio broadcast receiver compatible with radio data system (RDS) transmission with frequency multiplexing of audio signal and its transmission
1 ... 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 ... 1886