Assignee
EXIDE ELECTRONICS
US7 patents
Top patents by PatentIndex Score
US5117324AMay 26, 1992
Ups-computer system and method for initiating computer shutdown based on remaining battery time as determined from sensed battery voltage and discharge curves
EXIDE ELECTRONICS70 citations96
US4980812ADec 25, 1990
Uninterrupted power supply system having improved power factor correction circuit
EXIDE ELECTRONICS100 citations95
US5381554AJan 10, 1995
Uninterrupted power supply (UPS) system interfacing with communications network
EXIDE ELECTRONICS224 citations94
US5319571AJun 7, 1994
UPS system with improved network communications
EXIDE ELECTRONICS142 citations94
US4935861AJun 19, 1990
Uninterrupted power supply having no low frequency power magnetics
EXIDE ELECTRONICS83 citations94
US5057698AOct 15, 1991
Shunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant converter
EXIDE ELECTRONICS79 citations93
US5185536AFeb 9, 1993
Uninterruptible power supply having improved battery charger
EXIDE ELECTRONICS43 citations92