Charging of devices by microwave power beaming
Charging of secondary cells using transmitted microwave energy
Charging station
Compressed air power supply/rechargeable battery pack
Conservation of electrical energy and electro-magnetic power...
Control system for a renewable energy system
Controller for fuel cell system
Device for charging a battery using a photovoltaic cell, and tim
Direct methanol fuel cell pack heating system
Dual-use generator and shock absorber assistant system
Efficient load-following power generating system
Electric power control apparatus, power generation system...
Electrical power supply circuit having a solar generator and a b
Electrical power supply system for a satellite
Electronic apparatus, electronic apparatus system, and...
Electronic equipment and power management method for the...
Electronic equipment and power management method for the...
Electrostatic energy generators and uses of same
Energy harvesting circuit
Energy harvesting in RFID systems