Half bridge with constant amplitude drive signal
HID lamp ballast circuit
High efficiency 4-lamp instant start ballast
High efficiency controller of a gas-filled light emitting tube
High efficiency driver apparatus for driving a cold cathode...
High efficiency electronic ballast for high intensity discharge
High efficiency electronic ballast for metal halide lamp
High efficiency resonant ballast
High frequency ballast for gaseous discharge lamps
High frequency power source for fluorescent lamps and the like
High frequency supply system for gas discharge lamps and electro
High frequency supply system for gas discharge lamps and electro
High frequency, high efficiency electronic lighting system...
High frequency, high efficiency electronic lighting system...
High frequency, high efficiency quick restart lighting system
High intensity discharge lamp starting circuit
High pressure discharge lamp lighting apparatus and high...
High pressure discharge lamp lighting apparatus and...
High pressure discharge lamp lighting apparatus and...
High pressure discharge lamp starter device and an...