Patents
Sitemap › H04 - Electric communication technique › H04W - Wireless communication networks › H04W 52 - Power management, e.g. tpc [transmission power control], power saving or power classes
Patents for H04W 52 - Power management, e.g. tpc [transmission power control], power saving or power classes (45,166)
11/1990
11/20/1990US4972439 Active signalling transmitter control
11/20/1990US4972355 Method for radiotelephone autonomous registration
11/01/1990WO1990013166A1 Method and apparatus for determining battery type and modifying operating characteristics
10/1990
10/24/1990EP0394074A2 Method and apparatus for determining battery type and modifying operating characteristics
10/24/1990EP0393096A1 Paging receiver with paging receiver identification code digits transmitted in order of increasing significance
10/23/1990US4965820 Cellular telephone apparatus
10/16/1990CA1275305C Power source control device in car telephone mobile station system
10/02/1990US4961073 Battery saving apparatus and method providing optimum synchronization codeword detection
09/1990
09/21/1990WO1990011652A1 Dsp based radio with diminished power requirements
09/20/1990WO1990010987A2 Energy saving protocol for a communication system
09/07/1990WO1990010360A1 A battery saving apparatus and method providing optimum synchronization codeword detection
09/04/1990US4955080 Selectively called receiver
08/1990
08/27/1990CA2006501A1 Battery saving apparatus and method providing optimum synchronization codeword detection
08/01/1990CN1044370A Active signalling transmitter control
07/1990
07/26/1990WO1990008438A1 Active signalling transmitter control
07/25/1990CN1008962B Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
06/1990
06/27/1990EP0375067A1 Power economising in multiple user radio systems
06/20/1990CN1043235A Power conservation method and apparatus for portion of synchronous information signal
06/14/1990WO1990006634A1 Power conservation method and apparatus for a portion of a predetermined signal
06/14/1990WO1990006566A1 Power conservation method and apparatus for a portion of a synchronous information signal
06/13/1990CN1043054A Power conservation method and apparatus for portion of predetermined signal
05/1990
05/01/1990US4921464 Radio channel search system
04/1990
04/25/1990CN1041676A Location-based adaptive radiotelephone control
04/19/1990WO1990004293A1 Location-based adaptive radio control
04/18/1990EP0363998A2 Portable communications receiver with improved battery saving function
04/04/1990EP0361350A2 Mobile telephone station with power saving circuit
04/04/1990EP0360803A1 Portable communications receiver with separate information presentation means and improved battery saving function.
03/1990
03/27/1990US4912705 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/14/1990EP0358166A2 Power saving arrangement and power saving method
03/13/1990US4908846 Mobile telephone terminal having function to perform call clear process
02/1990
02/20/1990US4903327 Cellular telephone with transmission-on and radio-on timers
02/20/1990US4903319 Portable radio telephone having power saver
02/13/1990CA1265878A1 Multiplex information transmission system
01/1990
01/30/1990US4897835 In a time division multiplexed communication method
01/17/1990EP0351230A2 Radio communication apparatus having an improved signal to noise ratio
01/09/1990US4893348 Power source control device in car telephone mobile station system
12/1989
12/27/1989EP0347410A1 Paging system with assignable battery saver duty cycle
11/1989
11/29/1989EP0343528A2 Mobile telephone terminal
10/1989
10/25/1989EP0338834A2 Mobile telephone terminal having function to perform call clear process
10/03/1989US4872204 Method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station
09/1989
09/26/1989US4870696 Mobile communications system capable of avoiding interference with control channel
09/26/1989CA1260636A1 Watch pager system and communication protocol
09/19/1989CA1259720A1 Cordless telephone system
08/1989
08/30/1989EP0330514A2 Battery powered radio devices having a battery saving function
08/15/1989US4857915 Paging receiver with paging receiver identification code digits transmitted in order of increasing significance
07/1989
07/25/1989US4852148 Radio telephone system
07/25/1989US4852147 Telephone apparatus
07/11/1989CA1257416A1 Wireless pbx/lan system with optimum combining
06/1989
06/13/1989US4839639 Paging receiver having battery saving circuit
06/07/1989EP0319219A2 Paging apparatus having a battery saving function
06/06/1989US4837854 Paging receiver having a noise-immune verification circuit for disabling battery saving operation
05/1989
05/10/1989EP0315260A2 Cellular telephone apparatus
05/05/1989WO1989004026A1 Paging receiver with paging receiver identification code digits transmitted in order of increasing significance
04/1989
04/25/1989CA1253212A1 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
04/12/1989EP0186684B1 Radiotelephone transmission power control
03/1989
03/28/1989US4817089 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
02/1989
02/28/1989US4809315 Cordless telephone system
02/28/1989CA1250673A1 Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
02/14/1989US4805203 Cordless telephone system
02/01/1989EP0301871A2 Selectively called receiver
01/1989
01/31/1989US4802240 Synchronous receiving method for selective calling signal
01/11/1989EP0298575A2 Paging receiver with power supply distributor
12/1988
12/21/1988EP0295678A2 Radio telephone system
12/06/1988CA1246148A1 Radio system wherein transmission power is varied according to transmission quality
11/1988
11/03/1988WO1988008649A1 Portable communications receiver with separate information presentation means and improved battery saving function
10/1988
10/04/1988US4775995 Adaptive splatter control
09/1988
09/14/1988EP0282087A2 Radio channel search system
09/07/1988WO1988006830A1 Cellular telephone apparatus and cellular communication system
08/1988
08/31/1988CN88101334A Portable radio apparatus having battery saved channel scanning function
08/24/1988EP0279697A2 Portable radio apparatus having battery saving channel scanning function
08/02/1988CA1239997A1 Battery saving signal generating circuit
07/1988
07/14/1988WO1988005248A1 Paging system with assignable battery saver duty cycle
07/05/1988US4755816 Battery saving method for a selective call radio paging receiver
06/1988
06/28/1988CA1238689A1 Handoff apparatus and method with interference reduction for a radio system
06/08/1988EP0269643A1 A method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station.
05/1988
05/31/1988US4748685 Remote squelch detect for use with a radio receiver
05/17/1988US4745408 Radio paging system and receiver therefor
04/1988
04/12/1988CA1235188A1 Radiotelephone transmission power control
04/05/1988CA1234875A1 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit
02/1988
02/16/1988US4726020 Multiplex information transmission system
02/10/1988EP0255670A2 Mobile communications system capable of avoiding interference with control channel
02/10/1988EP0255628A2 Handoff apparatus and method with interference reduction for a radio system
02/03/1988EP0255048A2 Portable radio telephone having power saver
02/02/1988US4723304 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
01/1988
01/12/1988CA1231390A1 Radio paging system and receiver therefor
01/07/1988EP0251007A2 Paging receiver having a noise-immune verification circuit for disabling battery saving operation
12/1987
12/15/1987US4713808 Watch pager system and communication protocol
11/1987
11/04/1987EP0243899A2 Battery-saving method for a cordless telephone system
10/1987
10/13/1987US4700375 Battery charging, reset, and data transfer system
09/1987
09/30/1987EP0238880A2 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
09/22/1987US4696027 Handoff apparatus and method with interference reduction for a radio system
09/11/1987WO1987005458A1 A method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station
09/02/1987EP0234201A2 Paging receiver having battery saving circuit
09/01/1987US4691382 Battery saving signal generating circuit
06/1987
06/23/1987US4675863 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
06/02/1987US4670906 Data communications system transmitter selection method and apparatus
05/1987
05/26/1987US4668949 Pager receiver comprising a message detector energized only at pertinent time slots
05/13/1987CN86103571A Multistation information transmission system
03/1987
03/24/1987US4652875 Pager with improved battery saving function
03/04/1987EP0211849A1 Pager system and communication protocol.
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