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

Electric bulb short detection apparatus for traffic signal contr

Electrical load disconnection detecting apparatus

Estimated remaining lamp life indicator system

External light tester

Faulty lamp tester

Hand lamp, especially for magnetic crack detection

HID lamp ballast tester

Holiday light bulb tester with light bulb socket insertable prob

Holiday light tester

Identification of a defective filament in a fluorescent lamp