Automatic shut-off for flashlights

Ballast circuit for gaseous discharge lamps without inductive el

Ballast circuit for high intensity discharge (HID) lamps

Ballast circuit having electromagnetic interference (EMI) reduci

Barricade light control switch apparatus

Battery operated inverter circuit for capacitive loads such as e

Boosted D.C. supply circuit and luminaire employing same

Bridge inverter ballast for fluorescent lamp

Brightness controllable flashlights

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