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)
11/2002
11/27/2002EP1260830A2 A GPS receiver and method for processing GPS signals
11/27/2002EP1260083A2 Architecture for cordless telephones
11/27/2002EP1260049A2 A modulation scheme for fdd/tdd transceivers
11/27/2002EP1260045A1 A method of chip interleaving in direct sequence spread spectrum communications
11/27/2002EP1260032A1 Method and apparatus for fast detection of locations of path rays in a rake receiver
11/27/2002EP1260031A2 Post processing of spreading codes in a mobile telecommunications system
11/27/2002EP1260030A2 A receiver for a spread spectrum system
11/27/2002EP1260029A2 Receiving station with interference signal suppression
11/27/2002EP1260028A2 Digital wireless basestation
11/27/2002EP1260027A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit
11/27/2002EP1260026A2 A novel low cost/low power analog transceiver architecture
11/27/2002EP1260025A2 Interference canceller
11/27/2002EP1260017A2 Method and transmission circuit for producing a transmission signal
11/27/2002EP1260016A1 Method and transmission circuit for generating a transmission signal
11/27/2002EP1259403A2 Passive optical identification system
11/27/2002EP1259135A1 Bracelet with information display and imputting capability
11/27/2002EP1108222B1 System and method for power saving in a wireless telephone with a gps receiver
11/27/2002EP1104549B1 Slewing bandpass filter for ultrasound image analysis
11/27/2002EP1093636B1 Analog interface for autonomous data exchange circuit
11/27/2002EP0974230B1 Method of downloading of data to an mpeg receiver/decoder
11/27/2002EP0968609B1 Signal generation and broadcasting
11/27/2002EP0786172B1 Transmission system, transmitter, receiver and transmission method
11/27/2002EP0770289B1 A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station
11/27/2002EP0746924B1 Digital transmission system with an improved decoder in the receiver
11/27/2002CN2523118Y Guide apparatus for communication equipment pinboard box
11/27/2002CN2523114Y Audio-frequency power amplifier
11/27/2002CN2523113Y Digital constant-voltage power amplifier
11/27/2002CN1382335A Estimation in RAKE receiver of rate of change of channel
11/27/2002CN1382328A Method for indicating allocation of spread codes in radio communication system
11/27/2002CN1382327A Parallel operation of devices using multiple communication standards
11/27/2002CN1382326A One way single-wire communication interface
11/27/2002CN1382324A Systems and methods for maintaining operation of receiver co-located with transmitter and susceptable to interference therefrom by desensitization of receiver
11/27/2002CN1382323A Method for filtering mobile radiotelephone signal and corresponding mobile radiotelephone receiver
11/27/2002CN1382001A Folding communication terminal having two displays
11/27/2002CN1382000A 功率控制器 Power Controllers
11/27/2002CN1381999A Array transmitting method and equipment for broad-band radio communication system
11/27/2002CN1381997A Method and device of high-speed transmission block data
11/27/2002CN1381995A Method for implementing 8PSK equalizing demodulation in EDGE system
11/27/2002CN1381957A Automatic gain control circuit and method of direct sequenc spread spectrum receiver
11/27/2002CN1381956A Changable rate vocoder
11/27/2002CN1381955A Digital compatible 3D surround sound algorithm
11/27/2002CN1381954A Detecting circuit of wide dynamic range supplied by small emitter
11/27/2002CN1381921A Antenna hidden mobile telephone and antenna shielding device
11/27/2002CN1095309C Method for operating mobile station in radiotelephone system and CDMA radiotelephone
11/27/2002CN1095304C Multi-user detecting method and device for preventing multi-path association
11/27/2002CN1095296C Pager for removing cross-modulation
11/27/2002CN1095265C Control system for telecommunications system
11/27/2002CN1095257C Automatic power control system for code division multiple access (CDMA) communication system
11/27/2002CN1095255C Spectrum spread communications system for high-speed communications
11/27/2002CN1095254C Ultrawide-band communications system and method
11/27/2002CN1095253C Encoding and decoding apparatus and method of wideband digital information signal
11/27/2002CN1095251C Dual band transmitter
11/26/2002US6487529 Audio processing device, receiver and filtering method for filtering a useful signal and restoring it in the presence of ambient noise
11/26/2002US6487425 Method and system for switching a mobile station from a low power limited operations mode to a normal operating mode
11/26/2002US6487422 Wireless telephone having remote controller function
11/26/2002US6487421 Method for inputting information to a mobile radiotelephone
11/26/2002US6487419 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device
11/26/2002US6487400 Communications device and a method for control of its operation
11/26/2002US6487398 Low noise architecture for a direct conversion transmitter
11/26/2002US6487395 Radio frequency electronic switch
11/26/2002US6487391 Method and apparatus for selectively receiving a satellite broadcast signal or a cable television signal
11/26/2002US6487390 System and method for interactive on-demand information
11/26/2002US6487238 Signal receiving device and radio transmission device and radio transmission method
11/26/2002US6487237 Spreading code estimating apparatus and spreading code estimating method
11/26/2002US6487236 Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
11/26/2002US6487235 Delay compensation
11/26/2002US6487201 Method for managing received data in complex digital cellular terminal
11/26/2002US6487193 Path searched device and CDMA receiver with the same
11/26/2002US6487192 Frequency control method in a CDMA communication system for preventing deterioration in communication quality despite failure to control of transmission power in a mobile station
11/26/2002US6487190 Efficient multichannel filtering for CDMA modems
11/26/2002US6487188 Radio communication system, mobile station apparatus, base station apparatus, and transmission power control method
11/26/2002US6486867 Telecommunication terminal and device for projecting received information
11/26/2002US6486835 Method and apparatus for detecting physical position of a retractable antenna
11/26/2002US6486819 Circuitry with resistive input impedance for generating pulses from analog waveforms
11/26/2002US6486738 Device for controlling power in power amplifier of a portable wireless terminal
11/26/2002US6486732 Modulator-demodulator
11/26/2002CA2230294C Apparatus and method for digital data transmission
11/26/2002CA2078613C Apparatus for sound level reduction or operator alerting
11/24/2002CA2364087A1 Ski lift radio
11/21/2002WO2002093965A1 Co-channel interference suppression by estimating the time of arrival (toa)
11/21/2002WO2002093962A1 Radio base station and communication terminal
11/21/2002WO2002093952A1 Common control channel uplink power control for adaptive modulation and coding techniques
11/21/2002WO2002093881A2 Portable communication devices
11/21/2002WO2002093858A1 Multiple bandwidth amplifier control systems for mobile stations and methods therefor
11/21/2002WO2002093852A2 Method for reconstructing data pulsed with a symbol rate from an analog distorted signal
11/21/2002WO2002093816A1 Method for fixing rate adaptation parameters specific to each service in a mobile radio communication system
11/21/2002WO2002093815A1 Method for setting specific rate-matching attributes for each service in a mobile radio communications system
11/21/2002WO2002093814A1 Method for setting specific rate matching attributes for each service in a radiocommunications system
11/21/2002WO2002093807A1 A radio receiver
11/21/2002WO2002093801A2 Silence detection
11/21/2002WO2002093782A1 Allocation of uplink resourses in a multi-input multi-output (mimo) communication system
11/21/2002WO2002093781A2 Fm modulator using a phaselockloop
11/21/2002WO2002093777A2 Transmission power level estimation
11/21/2002WO2002093772A2 Processing a spread spectrum signal
11/21/2002WO2002093771A1 Cdma searcher with time offset compensation
11/21/2002WO2002093770A1 System and method for adjusting combiner weights using an adaptive algorithm in a wireless communications system
11/21/2002WO2002093769A1 Fast slewing pseudorandom noise genereator
11/21/2002WO2002093768A1 Reducing spread spectrum noise
11/21/2002WO2002093767A1 Method and apparatus for increasing sensitivity in a communication system base station
11/21/2002WO2002093766A1 Multi-subscriber detection by means of a rake receiver structure