Magnetic electronic fluorescent lamp ballast
Means and method for controlling lumen output and power consumpt
Means for controlling lumen output in power consumption of phosp
Means for preventing damage to electronic ballasts as a result o
Metal halide lightbulb strobe system
Metal vapor lamp starting and operating apparatus
Method and apparatus for controlling flash tube discharge
Method and apparatus for energizing a gaseous discharge lamp usi
Method and apparatus for starting and operating fluorescent lamp
Method and apparatus for switching of parallel capacitors in...
Method and circuit for controlling current in a high...
Method and circuit for improved HID lamp maintenance
Method and circuit for improving HID lamp starting
Method and circuit for operating an electrical flash-tube
Method and circuit for square wave current generation by harmoni
Method and device to inhibit the flash photography of a vehicle
Method and means for dimming ballasted lamps
Method and system for switchable light levels in operating gas d
Method for igniting high frequency operated, high intensity disc
Method of and apparatus for automatic electronic flash lamp cont