Patents
Patents for H04W 4 - Services or facilities specially adapted for wireless communication networks (113,132)
04/1993
04/28/1993EP0538635A2 Microcellular mobile communication system
04/27/1993US5206863 Processor-to-processor communications protocol for a public service trunking system
04/27/1993CA1316986C Method and arrangement for channel monitor and control
04/15/1993WO1993007704A1 Cordless telephone system with inbound calling
04/14/1993EP0536544A2 Portable telephone system
04/13/1993US5203009 Radio transceiver having fixed calling capacity
04/06/1993US5200954 Communication link between multisite RF trunked network and an intelligent dispatcher console
03/1993
03/24/1993EP0532826A2 Emergency calling device
03/23/1993CA1314939C Dynamic regrouping for trunked radio systems
03/18/1993WO1993005622A1 Method for setting up a group call in a cellular radio system
03/17/1993EP0531493A1 Auxiliary communication service routing.
03/03/1993EP0529721A2 A method of facilitating interchanging the use of a mobile station and a permanently wired telephone set
03/02/1993US5191593 Conference call feature for spread spectrum cordless telephone
02/1993
02/03/1993EP0526118A2 Dynamic pricing method and apparatus for communication systems
01/1993
01/26/1993CA1313246C Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls
01/21/1993WO1993001665A1 Personal communication system providing supplemental information mode
01/21/1993CA2112594A1 Personal communication system providing supplemental information mode
01/12/1993US5179721 Method for inter operation of a cellular communication system and a trunking communication system
01/05/1993US5177780 Method of voice mail notification for cellular telephone systems
12/1992
12/30/1992EP0520194A2 Personal telecommunication system
12/29/1992CA2069727A1 Personal telecommunications system
12/22/1992US5173933 Interface between mobile telecommunication stations and trunks that link to communication carriers
12/15/1992CA1311526C High speed data interface for land mobile communication system
12/10/1992WO1992022174A1 Method for establishing an inbound call to the mobile telephone in a cellular mobile telephone network
12/01/1992US5168575 Demand driven wide-area radio system resource assignment method and apparatus
10/1992
10/28/1992EP0510630A2 Mobile radio communication system
10/27/1992US5159701 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system
10/21/1992EP0509776A2 Remote monitoring and controlling system for moving bodies
10/20/1992CA1309142C Two-way radio with voice storage
10/15/1992WO1992017950A1 Auxiliary communication service routing
10/15/1992WO1992017866A1 Article sorting system
10/13/1992US5155689 Vehicle locating and communicating method and apparatus
10/09/1992WO1992017978A1 User features for next generation cordless telephone networks
10/09/1992CA2105380A1 User features for next generation cordless telephone networks
10/06/1992US5153904 Radio communication controller for subscriber-requested calling code prefacing
10/03/1992CA2064646A1 Automatic number assignment module selection for mobile telephone
10/01/1992WO1992017039A1 Mobile access to telecommunications network
10/01/1992WO1992017038A1 Beacon enhanced telecommunications system and method
09/1992
09/17/1992WO1992016078A1 Mobile telephone, system and method
09/17/1992WO1992016077A1 Radio capable of automatic system selection in emergency situations
09/16/1992EP0503813A2 Personal mobile communication system with call bridging
09/15/1992US5148472 Cellular telephone call administration system
09/12/1992CA2061090A1 Personal mobile communication system with call bridging
09/09/1992EP0502104A1 Remote access telephone control system
09/08/1992US5146538 Communication system and method with voice steering
09/02/1992EP0501058A2 Vehicle locating and communicating method and apparatus
09/01/1992US5144649 Cellular radiotelephone credit card paystation method
08/1992
08/26/1992WO1992015168A1 Cordless telephone system having remote message centers
08/26/1992EP0499736A2 Controller architecture for RF trunking distributed multisite switch
08/26/1992EP0499735A2 Audio routing within trunked radio frequency multisite switch
08/26/1992EP0433308A4 Two-way radio communications system having selectable operating modes
08/26/1992CA2100962A1 Cordless telephone system having remote message centers
08/25/1992US5142654 Cellular telephone system and method for dynamically switching between call routing options
08/25/1992US5142281 Vehicle mounting apparatus of an automatic vehicle location system
08/23/1992CA2050014A1 Audio routing within trunked radio frequency multisite switch
08/23/1992CA2050012A1 Controller architecture for rf trucking distributed multisite switch
08/20/1992WO1992014330A1 Method and system for reporting voice messages to their receivers in a multi-service network
08/20/1992WO1992014329A1 A method for conveying information in a multi-service network
08/11/1992US5138650 Cordless telephone with internal debit and credit memory
08/05/1992EP0446297A4 Two-way radio with voice storage
07/1992
07/28/1992US5134714 Remote control of priority communications automatic
07/14/1992US5131007 Digital voter for multiple site PST R trunking system
07/08/1992EP0493427A1 Call completion system.
07/07/1992US5128930 Processor-to-processor communications protocol for a public service trunking system
06/1992
06/25/1992DE4040678A1 Communication network for initiating control functions at preset times - retrieves time information, control function data etc. from smart card for transmission at preset time e.g. via radiotelephone network
06/24/1992EP0413759A4 A method and arrangement for channel monitor and control
06/16/1992US5123110 Channel assignment method for multi-site trunked radio system
06/09/1992US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels
06/09/1992US5121126 Beacon enhanced telecommunications system and method
06/02/1992US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
05/1992
05/26/1992US5117501 Dynamic regrouping in a trunked radio communications system
05/26/1992US5117301 System for transmitting information to moving object
05/14/1992WO1992008326A1 A method for inter operation of a cellular communication system and a trunking communication system
05/14/1992WO1992008301A1 Private data transmission in a multi mode communication system
05/12/1992US5113413 Voter arrangement for multiple site PST RF trunking system
04/1992
04/28/1992US5109543 Hardware interface and protocol for a mobile radio transceiver
04/28/1992US5109525 Two-way radio with voice storage
04/28/1992US5109400 Communication system with registration and two way radio
04/28/1992CA1299706C Concentrator system capable of completing emergency calls under congested traffic
04/22/1992EP0481683A2 Method of voice mail notification for cellular telephone systems
04/14/1992US5105458 Mobile telephone system having message recording mode during failures
04/14/1992US5105197 Mobile access to telecommunications network
04/02/1992WO1992005650A1 Interface between mobile telecommunication stations and trunks that link to communication carriers
03/1992
03/28/1992WO1992006549A1 Cordless telephone with internal debit and credit memory
03/28/1992CA2089367A1 Cordless telephone with internal debit and credit memory
03/19/1992WO1992004798A1 Method and apparatus for selective transfer of calls in personal communicators
03/18/1992EP0475865A2 Location registration system in mobile communication
03/05/1992WO1992003878A1 Cordless communication system supporting call forwarding
03/04/1992EP0473355A2 Distributed multisite coordination system for trunked radio systems
03/01/1992CA2050013A1 Distributed multisite coordination system
02/1992
02/25/1992US5091906 Quasi-duplex radio system using bi-directional hole extension
02/04/1992US5086506 Radio trunking fault detection system with power output monitoring and on-air monitoring
01/1992
01/07/1992CA1294000C2 Cellular mobile radio credit card system
12/1991
12/27/1991EP0462728A2 Mobile communications
12/27/1991EP0462727A2 Mobile communications
12/27/1991EP0462726A2 Mobile communications
12/04/1991EP0459337A1 User access method to subscription data for a cordless telephone service
12/03/1991US5070521 Method and apparatus for call source identification
12/01/1991CA2043292A1 Method for giving a user access to wireless telephone service subscription data
11/1991
11/28/1991WO1991018468A1 Real time cellular phone rental system and method