Fast starting, surge limited, electronic ballast
Fast warm up electronic ballast circuit for a high pressure disc
Fast warm-up ballast for arc discharge lamp
Fault detector and interrupt circuit useful in a television sign
Feedback control system for a high-efficiency class-D power ampl
Feedback system for stabilizing the arc discharge of a high inte
Ferroresonant transformer ballast for maintaining the current of
Field sensitive optical displays, generation of fields therefor
Flash apparatus with power supply control device
Flash control device for electronic flash apparatus
Flash control device using cascade-connected thyristor and MOSFE
Flash disaster recovery ROM and utility to reprogram multiple RO
Flash lamp drive circuit
Flash lamp irradiation apparatus
Flash lighting circuit
Flash photographing system
Flashing device
Flashing device
Flat discharge lamp and production method thereof
Flat type fluorescent lamp and method of lighting