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Your search returned 118 patents.
( 340/7.38 in Current US Classification )
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Patent IDTitleDate Filed
5721534 Paging system with adaptive monitoring schedule and method of operation thereof November 2, 1995
5710975 Selective call transceiver with system approved power saving state December 26, 1995
5708971 Two-way paging system and apparatus March 13, 1995
5678192 Radio system May 25, 1995
5649314 Selective radio paging receiver with battery saving operation April 13, 1995
5629940 Transmitting and receiving long messages in a wireless one-way communication system while reserving selected slots for short messages April 4, 1996
5627882 Enhanced power saving method for hand-held communications system and a hand-held communications system therefor May 26, 1994
5613194 Satellite-based cellular messaging system and method of operation thereof October 3, 1994
5606742 Selectively called radio receiver with bit rate detection for battery at shorter than a frame period December 7, 1994
5590396 Method and apparatus for a deep-sleep mode in a digital cellular communication system April 20, 1994
5566081 Method of saving power consumption in a battery operated pager receiver October 25, 1993
5550829 Method for reallocation frame assignments of receives in a communication system October 24, 1995
5548832 Automatic display illumination in a receiver July 28, 1994
5539921 Apparatus for reducing ring-alert power and method therefor September 23, 1994
5530911 Method and apparatus for battery drain reduction by adjusting for dynamic changes of receiver warm-up time July 15, 1994
5519762 Adaptive power cycling for a cordless telephone December 21, 1994
5517679 Mobile radio telecommunications system with a battery saving September 26, 1994
5508688 Selective pager receiver July 7, 1994
5502437 Receiver isolation scheme April 25, 1994
5495233 Radio paging receiver capable of improving accuracy of frame synchronization April 20, 1994
5440299 Method and apparatus for equalizing battery life in a selective call communication system October 1, 1993
5440298 Paging receiver having data rate detector for continuing address receiving mode April 20, 1993
5438695 Radio-link continuity keeping equipment in cellular telephone mobile station May 18, 1993
5392457 Battery saving method and apparatus for providing selective receiver power switching July 26, 1993
5382949 Method for increasing battery life for selective call receivers February 1, 1993
5381133 Selective call receiver with battery saving features and method therefor January 25, 1993
5363430 Cordless telephone apparatus having a low power stand-by mode and a hold mode April 28, 1993
5363377 Communications system and receiver for use therein which indicates time based on a selected time message signal from a central station April 9, 1993
5361397 Communication device and system capable of automatic programmable energizing September 20, 1993
5274843 Paging apparatus having a battery saving function January 16, 1992
5252963 "Selective call receiver" March 16, 1992
5251325 Battery saving method and apparatus for providing selective receiver power switching June 4, 1990
5241691 Method of optimizing the transmission of idle beacon messages and a communications system using the method February 25, 1991
5241542 Battery efficient operation of scheduled access protocol August 23, 1991
5235327 Paging device with test and scan modes May 31, 1991
5233344 Individual selective call receiving apparatus November 25, 1991
5206855 Multiple frequency message system April 6, 1990
5189413 Scanning receiver with manual override of frequency scanning routine March 12, 1991
5187471 Radio telecommunication apparatus May 6, 1991
5153579 Method of fast-forwarding and reversing through digitally stored voice messages February 21, 1991
5152006 Receiver controller method and apparatus February 25, 1991
5150361 Energy saving protocol for a TDM radio January 18, 1991
5140702 Time based signal detector for operating in a presence search mode and absence search mode during peak times and off peak times June 5, 1990
5128938 Energy saving protocol for a communication system March 6, 1991
5121503 Satellite signaling system having a signal beam with a variable beam area September 13, 1991
5095308 Transceiver with battery saver and method of using same January 9, 1990
5047763 Selective call system with message rebroadcasting over another selective call system November 30, 1989
5032835 Out of range indication for radio receivers July 16, 1990
5031233 Single chip radio receiver with one off-chip filter July 11, 1989
5027428 Power saving arrangement and power saving method September 5, 1989
5025251 Self-tuning direct coupled data limiter of a battery saver type paging receiver June 29, 1989
5010330 Paging system employing designated frame commencing information service data message transmission December 26, 1989
4996526 Power conservation method and apparatus for a portion of a synchronous information signal December 1, 1988
4894649 Pager having time controlled functions January 7, 1988
4860005 Communication receiver with automatic turn on/off January 7, 1988
4845485 Combined radio pager/timepiece apparatus with receiver desensitization protection December 29, 1987
4736461 Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same February 12, 1987
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