Split power supply subsystem with isolated voltage supplies...

Sports lighting system and method, electrical control unit...

Square wave ballast for mercury free arc lamp

Square wave drive system

Stabilizer circuit for high-voltage discharge lamp

Stabilizer circuit having means for adjusting the light of the l

Stabilizing the operation of gas discharged lamps

Standard electronics rack-mounted dimming control system...

Starter circuit configuration for a discharge lamp lighting...

Starter circuit with a safety switch

Starting and operating circuit for ARC discharge lamp

Starting circuit for electric discharge lamp

Starting circuit for low-pressure discharge lamp

Starting circuit of starting device for high-pressure...

Startup circuit for electronic ballasts for instant-start lamps

Startup flicker suppression in a dimmable LED power supply

Step down circuit for an LED flashlight

Step down power management system for LED flashlight

Step down power management system for LED flashlight

Step-dimming magnetic regulator for discharge lamps