Adjusting feedback gain in a fluorescent lamp dimming control

Apparatus and method for electronic testing and monitoring of em

Apparatus and methods for making spectroscopic measurements...

Automated diagnostic tester for HID lamp luminaires

Ballast and wiring lamp fixture tester

Christmas light string circuit tester

Circuit tester for Christmas tree light sets

Detection of malfunctioning bulbs in decorative light strings

Deteriorated filament detection

Determining remaining operating life of fluorescent lamp

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

Direct current miniature lamp tester

Electric bulb short detection apparatus for traffic signal contr

Electrical load disconnection detecting apparatus