Adjusting feedback gain in a fluorescent lamp dimming control

Apparatus and method for electronic testing and monitoring of em

Apparatus and methods for making capacitive measurements of...

Apparatus and methods for making spectroscopic measurements...

Apparatus for checking for electrical frit breakdown in kinescop

Apparatus for detecting gas discharge lamp faults

Arc discharge abnormality detecting system

Arrangement of a polychrome cathode-ray tube for operation with

Automated diagnostic tester for HID lamp luminaires

Ballast and wiring lamp fixture tester

Cathode ray tube

Cathode ray tube display error measurement apparatus and method

Cathode ray tube tracking tester and method of testing

Christmas light string circuit tester

Circuit for measuring the anode current in an X-ray tube

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 malfunctioning of a load such as a magn