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Your search returned 120 patents.
( 455/343.4 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5519889 | Method and apparatus to conceal RF interference in AM radio reception caused by a switch mode power supply
| February 4, 1994 |
| 5517679 | Mobile radio telecommunications system with a battery saving
| September 26, 1994 |
| 5507039 | Mobile wireless apparatus with power consumption reduction circuitry
| April 21, 1992 |
| 5504475 | Pricing display system
| January 19, 1994 |
| 5490286 | Synchronization of receiver to transmitter
| October 14, 1994 |
| 5487090 | Selectively called radio receiver in which bit rate detection is controlled with a predetermined range
| October 12, 1993 |
| 5475877 | Mobile wireless set with improved intermittent operation control and reduced power consumption
| March 1, 1994 |
| 5465392 | Apparatus and method for operating a wireless local area network having power conservation
| May 17, 1994 |
| 5461558 | Method and apparatus having time dependent sleep modes
| April 18, 1994 |
| 5446453 | Residential facility control system
| April 7, 1993 |
| 5410734 | Quick charging battery saving control circuit and method for a paging receiver
| November 17, 1992 |
| 5376975 | Method and apparatus for preamble battery saving in selective call receivers
| November 27, 1992 |
| 5361397 | Communication device and system capable of automatic programmable energizing
| September 20, 1993 |
| 5359594 | Power-saving full duplex nodal communications systems
| May 15, 1992 |
| 5355518 | Receiver with constant battery saving duty cycle
| May 26, 1992 |
| 5296849 | Pager receiver for enabling to omit power-on signal for receiving synchronization code in pager signal
| October 25, 1991 |
| 5278521 | Power saving frequency synthesizer with fast pull-in feature
| August 21, 1992 |
| 5252963 | "Selective call receiver"
| March 16, 1992 |
| 5251325 | Battery saving method and apparatus for providing selective receiver power switching
| June 4, 1990 |
| 5241568 | Method and apparatus for synchronizing a receiver to a transmitted signal while conserving power
| December 2, 1991 |
| 5241542 | Battery efficient operation of scheduled access protocol
| August 23, 1991 |
| 5227777 | Radio paging receiver for intermittently receiving a paging signal transmitted on different phases of a clock
| December 16, 1991 |
| 5222245 | GPS receiver
| March 13, 1991 |
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