Detection of malfunctioning bulbs in decorative light strings

Deteriorated filament detection

Determining remaining operating life of fluorescent lamp

Device for detecting the malfunctioning of a load such as a magn

Device for detecting the type of ballast of a discharge lamp

Device for testing high-pressure lamps and components used there

Device for the remote detection of a failed lamp in a lighting s

Diagnosis device, diagnosis method, and lamp ballast circuit...

Diagnostic circuit and method for predicting fluorescent lamp fa

Diagnostic tester for lighting systems and method of using same

Diagnostic tester for multi-ballast lighting fixture

Digital display testing circuit

Direct current miniature lamp tester

Driver for solar cell I-V characteristic plots