Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
07/1995
07/11/1995CA2042950C Automatic power control circuit for use with a radio telecommunication apparatus
07/08/1995CA2139479A1 Radio-cell extension
07/06/1995WO1995018492A1 Satellite communications system
07/06/1995WO1995018486A1 A wireless digital synchronized diversity receiver
07/06/1995DE4447142A1 Sendereferenzoszillator eines VSAT für Satellitenkommunikation Transmission reference oscillator of a VSAT satellite communications
07/05/1995EP0661836A1 Method and device for automatic synchronisation of data bursts
07/05/1995EP0661835A2 Digital radio communication system
07/05/1995EP0661834A2 Method and circuit for signal combining in a space diversity receiving system
07/05/1995EP0661833A1 Baseband amplitude/frequency characteristic estimator
07/05/1995EP0661829A2 Direct sequence spread spectrum receiver using pilot signal averaged over a fixed moving time interval
07/05/1995EP0660986A1 Cordless telecommunication apparatus.
07/05/1995EP0660983A1 Method and apparatus for separating channels from a radio frequency transmitter
07/05/1995CN1104819A Selective-calling radio receiver
07/04/1995US5430889 Automatic power control system for a mobile radio system
07/04/1995US5430789 Cellular mobile base station apparatus for serving a first and second cell zones
07/04/1995US5430775 Method and apparatus for a radio communication system
07/04/1995US5430769 Method and apparatus for controlling switched antenna diversity systems
07/04/1995US5430761 Reduced interference through offset frequency partitioning
07/04/1995US5430760 Random access in mobile radio telephone systems
07/04/1995US5430759 Low-power frequency-hopped spread spectrum reverse paging system
07/04/1995US5430738 Information transmission system for transmitting a digital information signal divided into packets with an information signal error diagnosis and correction function
07/04/1995US5430732 Satellite communication system
07/04/1995US5430731 Radio tele-communication system using TDMA scheme to reduce signal interference
07/04/1995US5430729 Method and apparatus for adaptive directed route randomization and distribution in a richly connected communication network
07/04/1995US5430724 TDMA on a cellular communications system PCM link
07/04/1995US5430713 Frequency hopping in digital cellular networks
07/04/1995US5430712 Equalizing method and apparatus
07/04/1995US5430492 Method of transmitting digital HDTV signals
07/04/1995US5430451 Array antenna mounted on spacecrafts
07/04/1995US5430411 High-frequency amplifier arrangement, transceiver station comprising such an amplifier arrangement and mobile radio system comprising such stations
07/04/1995US5429363 Radio transmission system for TV game machine
07/04/1995CA2049501C Method for channel adaptive detecting/equalizing
07/01/1995CA2139218A1 Multiphase signal amplitude-frequency characteristic basebaud estimator
07/01/1995CA2136127A1 Method and device for automatic synchronisation of data bursts
06/1995
06/30/1995CA2139191A1 Transmit reference oscillator of a vsat for satellite communications
06/29/1995DE4409167C1 Remote-controlled centralised locking system for automobile
06/29/1995DE4343959A1 Receiving aerial system for removing multipath interference
06/28/1995EP0660633A2 Mobile communication system for radio zones each divided into sectors
06/28/1995EP0660630A2 Mobile radio communication system having radio zones of sector configurations and antenna selecting method employed therein
06/28/1995EP0660629A1 Tariffing and charging device for mobile telephony with electronic communication of the amount
06/28/1995EP0660628A2 A radio telephone adaptor
06/28/1995EP0660627A2 Multi-mode radio telephone
06/28/1995EP0660545A1 Broadcast signal elaboration system for satellite transmission
06/28/1995EP0660544A1 Communication through a channel having a variable propagation delay
06/28/1995EP0660543A2 System and method of adaptive maximum likelihood sequence estimation
06/28/1995EP0660536A2 Microcomputer-based carrier detection system for a cordless telephone
06/28/1995EP0659326A1 Time alignment of transmission in a down-link of a cdma system
06/28/1995EP0659321A1 Transferring a radio telephone call
06/28/1995EP0659317A1 Cdma transmission system
06/28/1995EP0500846B1 Method of determining the frequency deviation in digital communications transmissions
06/28/1995EP0413707B1 Time domain radio transmission system
06/28/1995EP0408587B1 Multiplexed address control in a tdm communication system
06/28/1995CA2135859A1 Communication through a channel having a variable propagation delay
06/27/1995US5428824 Radio transceiver capable of avoiding intermodulation distortion
06/27/1995US5428821 Base site with remote calibration capability
06/27/1995US5428820 Adaptive radio receiver controller method and apparatus
06/27/1995US5428818 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
06/27/1995US5428814 Space communications apparatus employing switchable band filters for transparently switching signals on board a communications satellite, payload architectures using such apparatus, and methods of implementing the apparatus and the architectures
06/27/1995US5428671 Modem for tight coupling between a computer and a cellular telephone
06/27/1995US5428664 Dual mode portable telephone which prevents power being applied to the analog or digital signal processors not selected for communication
06/27/1995US5428617 Data transmission system for portable terminal device
06/27/1995US5428604 Training method for an echo canceller for use in a voice conference system
06/27/1995US5428600 Method and devices for transmitting data, particularly by satellite
06/22/1995WO1995017052A1 Adaptive equalizer
06/22/1995WO1995017048A1 Radio telephone system for minimizing co-channel interference utilizing geographic separation of signals and transmission power control
06/22/1995WO1995017044A1 Average rf exposure control
06/22/1995DE4343629A1 Digital radio signal generation system for satellite communications
06/22/1995CA2156071A1 Radio telephone system for minimizing co-channel interference utilizing geographic separation of signals and transmission power control
06/21/1995EP0659028A2 Radio link control method for a mobile telecommunications system
06/21/1995EP0659027A1 Selectively called radio receiver with bit rate detection for battery at shorter than a frame period
06/21/1995EP0659000A2 Threshold setting and decision circuit
06/21/1995EP0658991A1 Mobile communication system capable of transmitting and receiving a radio signal obtained by TDMA and CDMA without interference
06/21/1995EP0658986A1 Method of communication channel allocation in a satellite network
06/21/1995EP0658294A1 Pcm link fault detection and lost block handling
06/21/1995CN1104009A Radio communication apparatus
06/21/1995CN1104007A Radio paging device used for stock exchange
06/21/1995CN1104003A Satellite receiver turning device
06/20/1995US5426690 Cordless telephone apparatus which restores radio channels after power loss
06/20/1995US5426668 Tetherless access to communication networks
06/20/1995US5426642 Satellite broadcast communication system
06/20/1995CA2049735C Portable radio equipment
06/20/1995CA2026093C Mobile telephone system capable of adapting a portable telephone set
06/15/1995WO1995016331A1 A method and apparatus for testing a base station in a time division multiple access radio communications system
06/15/1995WO1995016330A1 Apparatuses and mobile stations for providing packet data communication in digital tdma cellular systems
06/15/1995WO1995016259A1 A noise reduction system and device, and a mobile radio station
06/15/1995WO1995015038A3 Communication method in a radio telephone system
06/15/1995CA2154281A1 A method and apparatus for testing a base station in a time division multiple access radio communications system
06/14/1995EP0658014A1 Low orbiting satallite cellular telecommunication system with access to a restricted user class as a function of traffic load
06/14/1995EP0658013A2 Antenna switching diversity for a train radio communications system
06/14/1995EP0657982A1 Battery use system for portable electric equipment
06/14/1995EP0657084A1 Apparatus for interference cancellation in a digital radio link between a fixed and a mobile radio unit
06/14/1995EP0360803B1 Portable communications receiver with separate information presentation means
06/14/1995CN1103739A Electricity-saving double-tone multi-frequency coding voice paging method and voice paging system
06/14/1995CN1028946C Radio paging system having a plurality of transmitter stations
06/14/1995CN1028945C Radio pager with variable gain setting controlled according to presence and absence of sync codes
06/14/1995CN1028944C Passive universal communicator system
06/13/1995US5425101 System and method for simultaneously authorizing multiple virtual channels
06/13/1995US5425076 Cellular communications test system
06/13/1995US5425059 Adaptive receiving apparatus for digital communication system
06/13/1995US5425055 Digital radio modulator