Patents
Patents for H04W 52 - Power management, e.g. tpc [transmission power control], power saving or power classes (45,166)
03/1987
03/03/1987US4647722 Land mobile telephone system
01/1987
01/27/1987US4639914 Wireless PBX/LAN system with optimum combining
11/1986
11/05/1986EP0200275A1 Multiplex information transmission system
10/1986
10/15/1986CN86100949A Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
09/1986
09/23/1986US4613990 Radiotelephone transmission power control
07/1986
07/08/1986CA1207393A1 Battery saver for a paging receiver or the like
06/1986
06/19/1986WO1986003645A1 Watch pager system and communication protocol
06/17/1986CA1206205A1 Battery saver circuit for use with paging receiver
06/11/1986EP0184383A2 A wireless PBX/LAN system with optimum combining
02/1986
02/12/1986EP0171071A2 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit
01/1986
01/16/1986WO1986000486A1 Radiotelephone transmission power control
01/08/1986EP0166885A2 Radiotelephone system
11/1985
11/19/1985CA1196964A1 Pager receiver comprising a message detector energized only at pertinent time slots
11/13/1985EP0160993A2 Radio-system
11/05/1985CA1196386A1 Battery saving circuit for paging receiver or the like
08/1985
08/14/1985EP0151148A1 Transmitter with power amplifier control
06/1985
06/11/1985US4523332 Battery saver circuit for use with paging receiver
04/1985
04/24/1985EP0138226A2 Mobile radio communication system
04/02/1985US4509201 Wireless telephone apparatus with protection against power loss
03/1985
03/19/1985US4506386 Battery saver for a paging receiver or the like _
03/12/1985CA1183902A1 Radio paging receiver capable of muting battery saving function
01/1985
01/03/1985WO1985000082A1 Transmitter with power amplifier control
11/1984
11/14/1984EP0124788A1 Radio paging system and receiver therefor
11/06/1984US4481675 Pulse detecting circuit of receiver for use in digital radio communication system
10/1984
10/23/1984US4479261 Battery saving circuit for paging receiver
10/23/1984US4479125 Radio paging receiver capable of muting battery saving function
06/1984
06/12/1984CA1169126A1 Paging receiver
05/1984
05/22/1984CA1167927A1 Pulse detecting circuit of receiver for use in digital radio communication system
05/15/1984US4449248 Battery saving radio circuit and system
05/08/1984CA1167111A1 Selective call receiver
03/1984
03/13/1984US4437095 Selective call receiver having timed power supply
03/13/1984CA1163680A1 Selective calling receiver with decoder powered according to varying clock pulses
02/1984
02/14/1984CA1162245A1 Selective calling receiver including a voltage converter with low power consumption
01/1984
01/31/1984CA1161500A1 Radio signal receiving apparatus with a security circuitry
12/1983
12/07/1983EP0095750A2 Battery saving circuit for a portable radio receiver
11/1983
11/22/1983US4417246 Paging receiver having a serial code plug
10/1983
10/26/1983EP0092219A1 Battery saving circuit for paging receiver or the like
10/19/1983EP0091695A2 Battery saver circuit for use with paging receiver
10/12/1983EP0091281A2 Circuit arrangement for detecting restoration of a momentary interruption
08/1983
08/09/1983US4398192 Battery-saving arrangement for pagers
05/1983
05/17/1983US4384361 Selective calling receiver
03/1983
03/29/1983US4378551 Radio signal receiving apparatus with a security circuitry
02/1983
02/08/1983US4373206 Transmitter control system
01/1983
01/25/1983US4370753 Battery saver for a tone coded signalling system
08/1982
08/04/1982EP0057003A1 Pulse detecting circuit of receiver for use in digital radio communication system
07/1982
07/20/1982US4340973 Selective calling receiver including a voltage converter with low power consumption
06/1982
06/08/1982US4334319 Battery-powered receivers
04/1982
04/06/1982US4323881 Radio pager with reduced power consumption
03/1982
03/10/1982EP0040249A4 Paging receiver and method of operation thereof.
11/1981
11/25/1981EP0040249A1 Paging receiver and method of operation thereof
09/1981
09/08/1981CA1108700A1 Digital radio paging communication system
07/1981
07/29/1981EP0032598A1 Portable paging receiver with a shift register and a direct current converter
06/1981
06/09/1981US4272650 Power supply system
05/1981
05/28/1981WO1981001490A1 Paging receiver and method of operation thereof
04/1981
04/21/1981US4263556 Monostable system
02/1981
02/03/1981US4249165 Digital radio pager
12/1980
12/30/1980CA1092655A1 Battery saver for a tone coded signalling system
05/1980
05/14/1980EP0010923A1 Improvements in battery powered receivers
04/1980
04/15/1980CA1075839A1 Idle-busy signalling between telephone system and radiophone system
03/1980
03/18/1980US4194153 Digital radio paging communication system
01/1980
01/01/1980US4181893 Battery saver for a tone coded signalling system
09/1979
09/04/1979US4166927 Apparatus and method for frequency channel selection in a radiotelephone system
02/1979
02/06/1979US4138595 Idle-busy signalling between telephone system and radiophone system
04/1978
04/25/1978US4086537 Time division multiplex communication receiving apparatus
01/1978
01/10/1978US4068177 Electronic control circuit
02/1976
02/03/1976US3936616 "Wild" mobile disable circuit