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