Energy invest and profit recovery systems
Energy storage device including a status indicator
Energy storage system
Energy storage system with ultracapacitor and switched battery
Flexible power apparatus
High current pulse generator
High efficiency passive piezo energy harvesting apparatus
Integrated environmental energy extractor
Low cost force feedback interface with efficient power sourcing
Magnetic switch controlled power supply isolator and thyristor c
Method and apparatus for charging batteries
Method and arrangement for charging capacitors of...
Method and circuit for controlling the refresh rate of...
Method and circuit for energizing and de-energizing an...
Method and circuit for using polarized device in AC...
Method and circuit for using polarized device in AC...
Method and circuit for using polarized device in AC...
Method and device for charging a capacitive actuator
Method and device for controlling a capacitive load
Method and device for driving a capacitive actuator