Assignee
EXIDE ELECTRONICS
US·7 granted patents·741 citations·filing 1989–1994
Top patents by PatentIndex Score
7 records- 0193US4980812AUninterrupted power supply system having improved power factor correction circuitEXIDE ELECTRONICS·Filed 1989·Granted Dec 25, 1990·100 cites·13 claims
- 0292US4935861AUninterrupted power supply having no low frequency power magneticsEXIDE ELECTRONICS·Filed 1989·Granted Jun 19, 1990·83 cites·6 claims
- 0391US5057698AShunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant converterEXIDE ELECTRONICS·Filed 1989·Granted Oct 15, 1991·79 cites·23 claims
- 0490US5381554AUninterrupted power supply (UPS) system interfacing with communications networkEXIDE ELECTRONICS·Filed 1994·Granted Jan 10, 1995·224 cites·3 claims
- 0586US5319571AUPS system with improved network communicationsEXIDE ELECTRONICS·Filed 1992·Granted Jun 7, 1994·142 cites·5 claims
- 0682US5117324AUps-computer system and method for initiating computer shutdown based on remaining battery time as determined from sensed battery voltage and discharge curvesEXIDE ELECTRONICS·Filed 1989·Granted May 26, 1992·70 cites·10 claims
- 0766US5185536AUninterruptible power supply having improved battery chargerEXIDE ELECTRONICS·Filed 1991·Granted Feb 9, 1993·43 cites·11 claims
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