Cathodoluminescent light sources and electric lighting arrangeme

Circuit and method for regulating the current flow in a distribu

Circuit arrangement for A.C. operation of gas discharge lamps

Circuit arrangement for operating a lamp

Circuit arrangement for starting and operating gas discharge lam

Circuit devices, circuit devices which include light...

Circuit for a flasher unit

Circuit for operating gas discharge lamps with a periodically al

Circuitry for portable lighting devices and portable...

Circuitry for portable lighting devices and portable...

Constant intensity electronic flashlight and lantern method and

Constant or variable brightness flashlight

Control circuit and flash system using same

Control device for flashlight systems in airports

Control device of a flash type movable decorating lamp

Controller for continuous tracing lights

Current supply means for a laser flash lamp

Current supply means for a laser flash lamp

Cuttable illumination device

Cylindrical miniature-LED light-emitting device