Patents
Sitemap › H04 - Electric communication technique › H04W - Wireless communication networks › H04W 24 - Supervisory, monitoring or testing arrangements
Patents for H04W 24 - Supervisory, monitoring or testing arrangements (50,951)
02/1991
02/19/1991US4995095 Method and apparatus for utilizing unpresented communication groups
02/06/1991CN1011561B Base station for wireless digital telephone system
01/1991
01/15/1991US4985904 High speed switching system in a radio-communication system including a plurality of main communication systems and a plurality of stand-by communication systems
12/1990
12/11/1990US4977612 Channel selection in a multi-frequency radio data communication system
10/1990
10/16/1990US4964065 Computer-controlled electronic system monitor
08/1990
08/23/1990WO1990009714A1 Supervised, interactive alarm reporting system
06/1990
06/19/1990US4935927 Base station emulator
04/1990
04/03/1990US4914686 Cordless phone data logger
03/1990
03/21/1990EP0359327A2 Identity-ROM emulator for Multi Channel Access wireless apparatus
02/1990
02/20/1990US4903327 Cellular telephone with transmission-on and radio-on timers
02/20/1990US4903323 Call box
02/13/1990US4901313 A-point to multi-points communication system
12/1989
12/06/1989EP0344624A2 Monitoring system for radio communication apparatus
09/1989
09/19/1989US4868885 Apparatus and method for high-speed determination of received RF signal strength indicator
09/12/1989US4866710 Reuse groups for scan monitoring in digital cellular systems
08/1989
08/30/1989EP0329997A2 Reuse groups for scan monitoring in digital cellular systems
08/22/1989US4860281 Individual subchannel loopback in the PCM interfaces of a digital telephone exchange with control of the outbound path
06/1989
06/27/1989US4843633 Interface method and apparatus for a cellular system site controller
04/1989
04/18/1989US4823280 Computer-controlled electronic system monitor
03/1989
03/28/1989US4817126 Call box
03/15/1989EP0306970A2 High-speed switching system in a radio-communication system including a plurality of main communication systems and a plurality of stand-by communication systems
02/1989
02/22/1989CN1031305A Base station for wireless digital telephone system
12/1988
12/27/1988US4794635 Two-way radio communication system with max-minimum call assignment method
10/1988
10/11/1988US4777633 Base station for wireless digital telephone system
05/1988
05/31/1988US4748685 Remote squelch detect for use with a radio receiver
04/1988
04/05/1988US4736453 Method and apparatus for making frequency channel assignment in a cellular or non-cellular radiotelephone communications system
03/1988
03/08/1988US4730187 Interface method and apparatus for a cellular system site controller
02/1988
02/02/1988CA1232329A1 Communication system
01/1988
01/19/1988US4720710 Paging receiver having a plurality of test modes
08/1987
08/11/1987US4686671 Cellular communication system operable with transmission pathfault
07/1987
07/28/1987CA1224847A1 Remote data controller for a communications system
06/1987
06/02/1987US4670906 Data communications system transmitter selection method and apparatus
04/1987
04/21/1987US4659878 Method and apparatus for interference free communications between a remote handset and a host subscriber unit in a Cellular Radio Telephone System
03/1987
03/10/1987US4649538 Radio paging device with improved test modes
12/1986
12/09/1986US4628478 Remote data controller for a communication system
12/02/1986CA1214828A1 Paging receivers
11/1986
11/11/1986US4622438 Subscriber line radio concentration system with automatic response for a loop back test
07/1986
07/08/1986US4599615 Pager receiver comprising a memory storing a sequence of information signals to be tested
04/1986
04/01/1986CA1202682A1 Pager receiver comprising a memory storing a sequence of information signals to be tested
11/1985
11/19/1985US4554410 System for maintenance and diagnosis of mobile telephone equipment
10/1985
10/02/1985EP0156336A2 Information transmission system
06/1985
06/12/1985EP0144072A2 Subscriber line radio concentration system
05/1985
05/07/1985CA1186743A1 Method of detecting troubles in a receiver for a common control channel of a mobile radio telephone communication system and a system therefor
02/1985
02/12/1985CA1182527A1 Malfunction detection system for a mobile radio telephone system
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
04/1984
04/17/1984US4443661 Method of detecting troubles in a receiver for a common control channel of a mobile radio telephone communication system and a system therefor
02/1984
02/28/1984US4434506 Circuit arrangement for protecting a control channel from jamming waves in a radio communication system
11/1983
11/15/1983US4415770 Malfunction detection system for a mobile radio telephone system
12/1981
12/01/1981CA1113620A1 Base station feedback reporting system
01/1980
01/15/1980US4184118 Base station feedback reporting system
12/1979
12/25/1979US4180708 Fault-proof system for mobile radio communication
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