Liquid crystal display system with lamp feedback
Load driving device and load driving method
Load driving device and load driving method
Low frequency square wave electronic ballast for gas discharge
Low noise electroluminescent lamp (EL) driver and method...
Low power unity power factor ballast
Low-pressure discharge lamp, particularly fluorescent lamp high-
Magnetic feedback ballast circuit for fluorescent lamp
Method and apparatus for a protective ballast circuit
Method and apparatus for controlling current supplied to...
Method and apparatus for controlling power delivered to a fluore
Method and apparatus for preventing instabilities in...
Method and cell for controlling the power factor of a power...
Method of controlling cathode voltage with low lamp's arc...
Method of forming an LED system
Methods and apparatus for providing a controllably variable...
Modified valley fill high power factor correction ballast
Non-synchronous control of self-oscillating resonant converters
Phase controller
Phase shift modulation-based control of amplitude of AC...