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)
08/1992
08/19/1992EP0499440A2 A circuit arrangement for a mobile telephone
08/18/1992US5140698 Mobile telephone system with intermittent control of receiver components in standby state
08/12/1992EP0498398A2 Mobile telephone
08/04/1992CA1306013C Mobile telephone station with power saving circuit
07/1992
07/22/1992EP0495209A1 Switching circuit having a reduced output impedance
07/15/1992EP0494780A2 An adapter unit for adaptively supplying a portable radio telephone with power
07/07/1992US5129098 Radio telephone using received signal strength in controlling transmission power
07/07/1992US5128938 Energy saving protocol for a communication system
07/01/1992EP0465463A4 Power conservation method and apparatus for a portion of a predetermined signal
07/01/1992CN1017298B Self-tuning direct coupled data limiter of battery saver type paging receiver
06/1992
06/25/1992WO1992010891A1 Spread spectrum cdma communications 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
06/02/1992US5119375 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
05/29/1992WO1992009146A1 Battery saver for a communication device
05/27/1992WO1992010042A1 Method and apparatus for paging in a communication system
05/26/1992CA1301849C Power saving arrangement and power saving method
05/20/1992CN1061312A System and method for generating signal waveforms in cdma cellular telephone system
05/17/1992WO1992009156A1 Adaptive power control for a spread spectrum transmitter
04/1992
04/22/1992CN1016395B Active signalling transmitter control
04/16/1992WO1992006544A1 A method of controlling output power in a mobile radio communication system
04/08/1992EP0479745A1 A method of controlling output power in a mobile radio communication system
04/08/1992EP0478706A1 Self-tuning direct coupled data limiter of a battery saver type paging receiver
04/07/1992US5103459 System and method for generating signal waveforms in a cdma cellular telephone system
04/01/1992EP0477288A1 Paging system with energy efficient station location.
03/1992
03/25/1992EP0476127A1 Integrated cellular communications system.
03/10/1992US5095528 Repeater with feedback oscillation control
03/04/1992EP0473465A1 Power saving arrangement and method in portable cellular telephone system
03/03/1992US5093840 Adaptive power control for a spread spectrum transmitter
02/1992
02/28/1992CA2043118A1 Power saving arrangement and method in portable cellular telephone system
02/18/1992US5089813 Method of super battery saving in a selective call receiver
02/04/1992US5086506 Radio trunking fault detection system with power output monitoring and on-air monitoring
01/1992
01/15/1992EP0465463A1 Power conservation method and apparatus for a portion of a predetermined signal.
01/09/1992WO1992000639A1 System and method for generating signal waveforms in a cdma cellular telephone system
01/02/1992EP0463621A1 Receiver for digital radio signals
01/02/1992EP0463104A1 Dsp based radio with diminished power requirements
01/01/1992CN1057557A Method for regulating power in digital mobile telephony system
12/1991
12/31/1991US5077758 Signal detector and bit synchronizer
12/27/1991EP0462952A1 A method for regulating power in a digital mobile telephony system
12/27/1991EP0462601A2 Radiotelephone communication system
12/17/1991US5073900 Integrated cellular communications system
12/11/1991EP0459997A1 A battery saving apparatus and method providing optimum synchronization codeword detection
12/05/1991WO1991019357A1 Battery saving method and apparatus for providing selective receiver power switching
11/1991
11/20/1991CN1014854B Portable radio apparatus
11/12/1991US5065423 Paging system with registration mode
11/06/1991EP0454727A1 Active signalling transmitter control.
10/1991
10/29/1991CA1291537C2 Portable communications receiver with separated information presentation means and improved battery saving function
10/15/1991US5058203 Mobile telephone terminal having selectively used processor unit for low power consumption
10/08/1991US5056109 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
10/02/1991CN1014199B Power conservation method and apparatus for portion of predetermined signal
10/02/1991CN1014198B Power conservation method and apparatus for portion of synchronous information signal
10/01/1991US5054052 Mobile telephone device with low power consumption
09/1991
09/20/1991WO1991015071A1 Integrated cellular communications system
09/19/1991WO1991014332A1 Radio telephone with secondary charging capability
09/18/1991EP0447302A1 Time-multiplexed radio communication device
09/18/1991EP0446327A1 A method for radiotelephone autonomous registration.
09/18/1991EP0446248A1 Power conservation method and apparatus for a portion of a synchronous information signal.
09/11/1991EP0445887A2 Method of optimising the transmission of idle beacon messages in a communications system and a communications system operable in accordance with the method
09/04/1991EP0360803A4 Portable communications receiver with separate information presentation means and improved battery saving function
08/1991
08/28/1991EP0443516A2 Transmission and reception of pager signals without useless sampling operation
08/14/1991CN1053870A Method and apparatus for controlling transmission power in cdma cellular mobile telephone system
07/1991
07/31/1991EP0439319A1 Automobile radio telephone apparatus capable of detecting a drop of power source voltage
07/30/1991US5036532 Portable telephone with power source/mode change during calls
07/23/1991CA1286726C Mobile telephone terminal having function to perform call clear process
07/11/1991WO1991010292A1 A method and apparatus for battery conservation in a selective call receiver
07/11/1991WO1991010282A1 Signal detector and bit synchronizer
07/10/1991EP0435964A1 Energy saving protocol for a communication system
07/09/1991US5031231 Mobile telephone station with power saving circuit
07/09/1991US5031098 Transaction control system including portable data terminal and mobile customer service station
06/1991
06/25/1991US5027428 Power saving arrangement and power saving method
06/18/1991US5025251 Self-tuning direct coupled data limiter of a battery saver type paging receiver
06/11/1991US5023932 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit
06/04/1991US5022024 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
05/1991
05/22/1991EP0428126A2 Paging signal control system in mobile communication system
05/16/1991WO1991007037A1 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
05/15/1991EP0427158A1 Battery saving method for portable pager
05/14/1991CA1284183C Portable radio telephone having power saver
05/02/1991WO1991006189A1 Radio receiver with adaptive on-off control
05/02/1991WO1991006188A1 Adaptive on-off control for radio receiver
04/1991
04/18/1991WO1990010987A3 Energy saving protocol for a communication system
04/17/1991CN1050804A Method for radiotelephone autonomous registration
04/09/1991CA1282834C Portable communications receiver with separate information presentation means and improved battery saving function
04/03/1991WO1991005413A1 A method for radiotelephone autonomous registration
04/02/1991US5005198 Cordless telephone apparatus
03/1991
03/13/1991EP0211849B1 Pager system and communication protocol
02/1991
02/27/1991EP0414352A2 Radio transmitter with output power control
02/27/1991EP0413963A2 Radio communication apparatus for rapidly knowing whether the apparatus is within or out of a service area
02/26/1991US4996526 Power conservation method and apparatus for a portion of a synchronous information signal
02/20/1991EP0413369A1 A portable pager
02/19/1991US4995099 Power conservation method and apparatus for a portion of a predetermined signal
02/13/1991EP0412574A2 Antenna for watch pager system
02/12/1991CA1280172C Radio telephone system
02/06/1991EP0411878A2 Power control arrangement for a radio communication system
02/06/1991EP0411756A2 Radio telephone receiver with gain control
02/04/1991WO1991002424A1 Portable telephone with power source/mode change during calls
01/1991
01/16/1991EP0408086A2 Watch pager system
01/09/1991CN1048474A Self-tuning direct coupled data limiter of battery saver type paging receiver
12/1990
12/30/1990WO1990016133A1 Self-tuning direct coupled data limiter of a battery saver type paging receiver
12/27/1990WO1990016134A1 Paging system with energy efficient station location
12/11/1990US4977611 Portable radio apparatus having battery saved channel scanning function
12/11/1990CA1277790C Mobile communications system capable of avoiding interference with control channel
1 ... 440 441 442 443 444 445 446 447 448 449 450 451 452