Patents
Sitemap › H04 - Electric communication technique › H04W - Wireless communication networks › H04W 84 - Network topologies
Patents for H04W 84 - Network topologies (50,427)
09/1986
09/16/1986US4612415 Dynamic control of telephone traffic in a trunked radio system
09/03/1986EP0193316A1 Mobile telephone system for automatically paging absent mobile subscriber
08/1986
08/05/1986CA1209212A1 Selective call paging and priority signalling system
07/1986
07/29/1986US4603418 Multiple access data communications controller for a time-division multiplex bus
07/23/1986EP0188322A2 A total communication system and communication apparatus for use in such a system
07/17/1986WO1986004199A1 Dispatch trunked radio system
07/09/1986CN85107963A Duplex interconnect/dispatch trunked radio system
07/08/1986US4599490 Control of telecommunication switching systems
07/02/1986CA1207067A1 Communication switching system
06/1986
06/24/1986CA1206565A1 Electronic locating system for persons receiving telephone calls
06/19/1986WO1986003645A1 Watch pager system and communication protocol
06/19/1986WO1986003635A1 Duplex interconnect/dispatch trunked radio system
06/11/1986EP0184383A2 A wireless PBX/LAN system with optimum combining
05/1986
05/27/1986US4591851 Communication system
04/1986
04/09/1986EP0177094A2 Multiple access communications system
03/1986
03/27/1986WO1986001957A1 Radio trunking system with transceivers and repeaters using special channel acquisition protocol
03/25/1986US4578815 Wide area coverage radio communication system and method
03/18/1986US4577060 Paging network
03/04/1986US4574164 Ringing signal transmission system for radiotelephone system
02/1986
02/25/1986US4573207 Queued community repeater communications system
02/04/1986US4568800 Multi-channel access (MCA) radio telephone system
01/1986
01/29/1986EP0169726A2 Portable telephones
01/28/1986CA1200030A1 Cordless key telephone system employing infrared transmission
01/02/1986EP0165929A1 Control of telecommunication switching systems.
12/1985
12/31/1985US4562572 Cellular mobile radio service telephone system
12/18/1985EP0164401A1 Improved wide area coverage ratio communications system and method
12/04/1985EP0163095A2 Radio paging system
11/1985
11/21/1985EP0161518A2 Radio-paging system
11/19/1985US4554677 Queued community repeater controller
11/12/1985US4553263 Queued community repeater mobile
11/12/1985US4553262 Communications system enabling radio link access for non-trunked radio units to a multifrequency trunked two-way communications systems
11/05/1985CA1196388A1 Radio paging receiver having stored message protection means
10/1985
10/08/1985US4546470 Communications systems
10/02/1985EP0156336A2 Information transmission system
07/1985
07/04/1985WO1985002968A1 Control of telecommunication switching systems
06/1985
06/20/1985WO1985002745A1 Improved wide area coverage ratio communications system and method
05/1985
05/14/1985US4517561 In a communications system
04/1985
04/30/1985CA1186381A1 Radio paging system capable of accepting message with access of paging receiver
04/03/1985EP0136167A2 Ringing signal transmission system for radiotelephone system
04/03/1985EP0115507A4 General purpose data control system.
03/1985
03/19/1985US4506384 Synchronized, multitransmitter, single frequency paging system
03/13/1985EP0134057A1 Multiple-access communications system
02/1985
02/28/1985EP0118507A4 Electronic locating system for persons receiving telephone calls.
02/28/1985EP0115499A4 Selective call paging and priority signalling system.
02/18/1985EP0116064A4 General purpose data control terminal.
12/1984
12/19/1984EP0128210A1 Method and apparatus for synchronizing radio transmitters for synchronous radio transmission.
12/19/1984EP0128209A1 Method of setting radio transmitters for synchronous radio transmission.
11/1984
11/27/1984US4485486 Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system
11/27/1984US4485270 Method for transmitting a charging signal
10/1984
10/16/1984US4477808 Radio paging receiver having stored message protection means
10/03/1984EP0120718A1 Multi-channel access (MCA) radio telephone system
09/1984
09/19/1984EP0118507A1 Electronic locating system for persons receiving telephone calls
08/1984
08/22/1984EP0116064A1 General purpose data control terminal
08/15/1984EP0115507A1 General purpose data control system.
08/15/1984EP0115499A1 Selective call paging and priority signalling system.
07/1984
07/18/1984EP0113662A2 Cellular mobile radio service telephone system
06/1984
06/26/1984US4456793 Cordless telephone system
06/21/1984WO1984002437A1 Method and apparatus for synchronizing radio transmitters for synchronous radio transmission
06/21/1984WO1984002436A1 Method of setting radio transmitters for synchronous radio transmission
06/20/1984EP0111411A2 Communications systems
06/20/1984EP0110888A1 A cordless telephone system.
05/1984
05/29/1984US4451699 Communications system and network
04/1984
04/24/1984CA1166316A1 Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service
03/1984
03/01/1984WO1984000868A1 Electronic locating system for persons receiving telephone calls
02/1984
02/16/1984WO1984000655A1 General purpose data control system
02/16/1984WO1984000651A1 General purpose data control terminal
02/16/1984WO1984000650A1 Selective call paging and priority signalling system
12/1983
12/22/1983WO1983004462A1 A cordless key telephone system employing infrared transmission
10/1983
10/11/1983US4409687 Arrangement and method for establishing radio communication in a system
10/04/1983US4408099 Radio paging system capable of accepting message with access of paging receiver
08/1983
08/16/1983US4399555 Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service
08/16/1983US4399330 Communications system, in particular a telephone system, for connecting mobile subscriber terminal devices
04/1983
04/13/1983EP0076645A1 Method of and apparatus for transmitting a call charging signal
12/1982
12/22/1982EP0067787A1 Radiopaging system
11/1982
11/23/1982US4360927 Repeater trunking system
09/1982
09/28/1982US4352183 Information transmission system
08/1982
08/31/1982US4347625 Arrangement for cellular operation of a repeater trunking system
08/03/1982CA1129056A1 Method of and an apparatus for a radiotelephone communications system
06/1982
06/22/1982US4336524 Video display pager receiver with memory
03/1982
03/17/1982EP0047524A1 Communications system, particularly telephone system, for the connection of mobile subscriber terminal equipments
03/16/1982US4320265 Line repeater for telephone system using radio links
12/1981
12/30/1981EP0042529A1 Method and arrangement for cellular operation of a repeater trunking system
12/02/1981EP0040954A1 Radiopaging system
08/1981
08/18/1981US4284848 Switched network telephone subscriber distribution system
06/1981
06/24/1981EP0030708A1 Switching system with paging function
05/1981
05/19/1981US4268722 Radiotelephone communications system
04/1981
04/21/1981US4263480 Pager receiver
12/1980
12/30/1980US4242538 Radio channel control systems of mobile radio telephone systems
11/1980
11/12/1980EP0018941A1 Installation for wireless transmission of telephonic communications with a number of radio channels inferior to the number of subscriber stations
10/1980
10/15/1980EP0017252A1 Radio installation
05/1980
05/13/1980CA1077631A1 Radio telephone communications systems with signalling and speech communications channels
04/1980
04/08/1980US4197526 Miniature pager receiver with digital display and memory
03/1980
03/18/1980US4194152 Radio communication system
02/1980
02/05/1980US4187473 Electronic phase locked loop circuit
01/1980
01/09/1980EP0006186A1 Calling system
12/1979
12/11/1979US4178476 Automatic nationwide paging system
12/11/1979US4178475 Method and control apparatus for radio paging systems
12/11/1979CA1067988A1 Transmission trunk multichannel dispatch system with priority queuing
11/1979
11/14/1979EP0005257A2 Selective-call radiophone system
10/1979
10/30/1979US4172969 Real time absentee telephone and radiant wave signaling system
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