Direct voltage back-up system at a power supply outlet
Direct-coupled IT load
Direct-voltage power pack
Distributed power regulation in a portable computer to optimize
Distributed power supply system
Distributed power switch for modular systems
Domestic appliance for processing foods
Door control apparatus
Dual battery recharger with backup power feature for use in syst
Dual feed hot swap battery plant controller for power supplies
Dual feed power supply systems with enhanced power quality
Dual power polarity protector/indicator
Dual power supply system
Dual powered, smoke detector activated flashlight
Dual source auxiliary power supply
Dual-mode corded/cordless system for power-operated devices