Active lamp current crest factor control
Apparatus for detecting abnormal states in a discharge tube circ
Arc detection and cut-out circuit
Arrangement for shutting off an inverter
Arrangement including a gas and/or vapor discharge lamp
Automotive high intensity discharge lamp ballast circuit
Ballast control IC with multi-function feedback sense
Ballast IC with shut-down function
Ballast shutdown circuit for a gas discharge lamp
Ballast with protection circuit for quickly responding to...
Circuit arrangement and signalling light provided with the circu
Circuit arrangement for detecting the amount of deposited electr
Circuit arrangement for operating electric lamps
Circuit arrangement for operating electric lamps, and operating
Circuit configuration for operating at least one discharge lamp
Circuit for detecting near or below resonance operation of a...
Circuit for driving a gas discharge lamp load
Circuit for operating a discharge lamp
Control circuit and method for protecting a piezoelectric...
Control for projector lamp heat dissipation