Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/1995
03/22/1995EP0577747A4 Method for multi-purpose utilization of resources in a communication system.
03/22/1995CN1100579A Bidirectional demodulation method and apparatus
03/21/1995US5400320 Digital communication apparatus having an error detecting section
03/21/1995US5400288 Semiconductor memory chip
03/21/1995US5400036 Energy transmission arrangement
03/21/1995US5400024 Digital signal processing apparatus for converting a digital signal from one transmission rate to another transmission rate
03/21/1995CA2065317C Global satellite communication system with geographic protocol conversion
03/21/1995CA2035202C Power source control circuitry for an automotive portable telephone
03/18/1995CA2131277A1 Facsimile radio communication system having multiple data speeds
03/16/1995WO1995007587A1 Navigation assistance for call handling in mobile telephone systems
03/16/1995WO1995007578A1 Method and apparatus for determining the transmission data rate in a multi-user communication system
03/16/1995CA2148806A1 Navigation assistance for call handling in mobile telephone systems
03/15/1995EP0643544A1 Hand-held radio telephone
03/15/1995EP0643542A1 Method for combining datastreams
03/15/1995EP0643481A1 Radio frequency filter
03/15/1995EP0643436A1 Rotatable contactless antenna coupler and antenna
03/15/1995EP0642720A1 Data communication receiver having burst error protected data synchronization
03/15/1995CN1100246A Pager
03/15/1995CN1100245A Selective pager with displaying function
03/15/1995CN1100244A Lost call detection display pager with repeat call discrimination capability
03/14/1995US5398247 TDMA radio-communication method
03/14/1995US5398190 Vehicle locating and communicating method and apparatus
03/14/1995CA2106017A1 Microcell system in digital cellular
03/14/1995CA2103815C Radio frequency broadcasting systems and methods using two geosynchronous satellites
03/10/1995EP0666007A4 Mobile communications device registration method.
03/09/1995WO1995007012A1 Method for adjusting transmission power in a radio system, and an exchange
03/09/1995WO1995007011A1 A method for selecting a channel in a mobile radio system and a base station in a mobile radio system
03/09/1995WO1995006997A1 Computer system for use with a wireless data communication network
03/09/1995WO1995006996A1 Apparatus for storing messages in a cellular mobile terminal
03/09/1995WO1995006983A1 A method for determining desired components of quadrature modulated signals
03/09/1995WO1995006981A1 Method and apparatus for selectively-enabled diversity signaling in a radio communications system
03/09/1995DE4330331A1 Information transmission device, in particular a voucher issuing device
03/08/1995EP0642290A2 Mobile communication apparatus with speech processing device
03/08/1995EP0642285A1 Channel sharing method using controlled time slot stealing in a multiplexed radio communication system, terminal and infrastructure therefor
03/08/1995EP0642283A2 Data transmission in a radio telephone network
03/08/1995EP0642241A1 Transmission of messages by means of frames of a variable length
03/08/1995EP0642233A1 Frame for different datarates and transmitter/receiver for such a frame
03/08/1995EP0642232A1 Radio communication system
03/08/1995EP0642129A1 Transmission system with reconstruction of missing signal samples
03/08/1995EP0642096A2 Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices
03/08/1995EP0641450A1 Electronic system and method for remote identification of coded articles and the like
03/08/1995EP0514380B1 Antenna combination
03/08/1995EP0389559B1 Foldable radio housing
03/08/1995CN2191499Y Small signal identifier for radio station
03/08/1995CN1099920A Method and system for the dynamic modification of control parameters in a transmitter power control system
03/08/1995CN1099919A Random access satellite communication system using random nubers generated in a range variable with channel traffic
03/08/1995CN1027849C Reduce noise interference during handoff
03/07/1995US5396656 Method for determining desired components of quadrature modulated signals
03/07/1995US5396652 Transmitting power control unit having a constant output level throughout a predetermined frequency band
03/07/1995US5396649 Channel assignment method in a mobile communication system using channel selection order determined by transmission power level
03/07/1995US5396645 System and method for determining whether to assign a macrocell or microcell communication frequency to a mobile communication terminal
03/07/1995US5396644 Method and system of communication between moving participants
03/07/1995US5396643 Geographic-area selective low-earth satellite-based paging broadcast system and method
03/07/1995US5396516 In a communication system
03/07/1995US5396496 Unused time slot detection and selection in a mobile radio communication system
03/07/1995US5396484 Diversity communication method of time-division, time-compressed multiplexing telephone signal for mobile communication system
03/07/1995CA2043500C Method of selecting the most cost effective cellular service plan provided by cellular telephone resellers to multi-line customers
03/02/1995WO1995006393A1 Mobile communication method and mobile receiver
03/02/1995WO1995006377A1 Method and apparatus for operating with a hopping control channel in a communication system
03/02/1995WO1995006376A1 A signal combiner system
03/02/1995WO1995006369A1 A method for adding capacity of a base station
03/02/1995WO1995006368A1 Information transmission system and method of operation
03/02/1995WO1995006367A1 Base station equipment using diversity reception
03/02/1995WO1995006366A1 Radio receiving apparatus
03/02/1995WO1995006365A1 Dual distributed antenna system
03/02/1995DE4344239A1 Remote data terminal
03/02/1995DE4329320A1 Method and device for data transmission
03/02/1995DE4328341A1 TDM/FDM radio system
03/01/1995EP0641093A2 Radio system with permanent adaptation to need in capacity through command of sender and receiver
03/01/1995EP0641089A2 Portable radio apparatus having batteries for supplying a plurality of voltages
03/01/1995EP0641088A1 Wireless device
03/01/1995EP0640260A1 Mobile radio network with central cell beaming.
03/01/1995EP0509072B1 A base station for a radio system
03/01/1995EP0395725B1 Pager having time controlled functions
03/01/1995CN1099538A Dynamic radio communications system
03/01/1995CN1099537A Antenna change-over switch
03/01/1995CN1099535A Power circuit and radiocommunication apparatus using the power circuit
03/01/1995CA2131207A1 Remote data terminal
02/1995
02/28/1995US5394562 Power supply circuit for a two-mode vehicular radio receiver
02/28/1995US5394561 Networked satellite and terrestrial cellular radiotelephone systems
02/28/1995US5394560 Communication system
02/28/1995US5394435 Diversity for direct-sequence spread spectrum systems
02/28/1995US5394156 Digital range turn-around for tracking, telemetry and control transponder
02/28/1995US5394110 Demodulation system having adaptive matched filter and decision feedback equalizer
02/24/1995CA2130608A1 Process and apparatus for satellite data communication
02/23/1995WO1995005722A1 Radio distribution port systems
02/23/1995WO1995005720A1 Ct2 telephone system
02/23/1995WO1995005714A1 Path gain estimation in a receiver
02/23/1995WO1995005709A1 Improved ir/rf radio transceiver
02/22/1995EP0639901A2 Radio communication apparatus with circuit for field strength determination
02/22/1995EP0639899A1 Random access communication method by use of cdma, and system for mobile stations which use the method
02/22/1995EP0639897A1 Radio telecommunication system with a multi-sensor receiver station and a plurality of emitter stations transmitting data packets
02/22/1995EP0639896A1 Method and apparatus for operating a CDMA network using power control
02/22/1995CN1099208A Reliable message communication system Apparatus for adapting an electrical communications port to an optical communications port
02/21/1995US5392463 Power amplifier capable of saturation and linear amplification
02/21/1995US5392462 Portable wireless telephone apparatus with use specific power monitoring
02/21/1995US5392459 Power control in microwave transmission system increasing power of both horizontally and vertically polarized waves
02/21/1995US5392456 Method of controlling filter time constant and filter circuit having the time constant control function based on the method
02/21/1995US5392451 Paging communication system
02/21/1995US5392450 Satellite communications system
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