Capacitive discharge-lighting of an incandescent lamp

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 operating a low-pressure discharge lamp,

Circuit arrangement for starting and operating a gas- and/or vap

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

Circuit for starting and ballasting arc discharge lamps

Circuit for supplying constant power to a gas discharge lamp

Circuit for switching current in an inductive load

Circuit for the operating of gas discharge lamps

Circuitry for portable lighting devices and portable...

Circuitry for portable lighting devices and portable...

Cold-cathode tube lighting circuit with protection circuit for p

Compact fluorescent lamp with improved power factor

Constant intensity electronic flashlight and lantern method and