Scale illumination lamp control circuit for an oscilloscope

Screw-in led lamp

Shunt-induced high frequency excitation of dielectric...

Single-stage electronic ballast device

Slow motion timing circuit for a stroboscope

Soft start solid state switch

Solid state ballast for fluorescent lamps

Solid state electronic ballast system for fluorescent lamps

Solid state flasher relay

Solid state lamp ballast

Solid-state fluorescent lamp ballast

Spark sources with electronic switching tubes

Starter circuit for a fluorescent tube lamp

Starter circuit for a fluorescent tube lamp

Starting and operating apparatus for high pressure sodium lamp b

Starting and operating ballast for high pressure sodium lamp

Starting circuits for discharge lamps

Step-controllable electronic ballast

Structure of LED lighting chain

Switched bridge circuit