Safety circuit for electronic flash apparatus
Safety protector for non-isolated ballasts
Saturable reactor device for operating a discharge lamp
SCR strobe lamp control for preventing capacitor recharge during
Self-commissioning daylight switching system
Sequential capacitive discharge circuit for flash lamps
Sequentially pulsed energy flow loop
Series inverter for capacitor charging
Series SCR gate hold-on circuit
Series-resonant electronic ballast circuit
Series-resonant electronic ballast circuit
Series-resonant parallel-loaded fluorescent lamp ballast
Shockproof electronic flash device
Shunt modulator for high current arc lamp
Single touch flash charger control
Single trigger photographic strobe unit
Spark ignition circuits
Spark source with regulation of spark magnitude by control of sp
Starter for inductively coupled plasma tube
Starting and dimming circuit for fluorescent lamps