Method and apparatus for illuminating two dependent...

Method and devices for controlling loads connected to a...

Method and system for open lamp protection

Module for powering and monitoring light-emitting diodes

Monitoring circuit for a light emission device

Monitoring device for airfield lighting system

Nightlight and lamp control

Operating circuit for high-pressure discharge lamps with an igni

Operation indicator for auto-strobo unit

Operation indicator for automatic flash device

PAPI 1 style B combination lamp bypass and tilt switch and...

Power supply and control device for the proper operation of a ra

Projection display apparatus

Proper light emission indicating device for computer flash devic

Runway approach lighting system with fault monitor

Safety device for lamps of motor vehicle

Self-checking circuit arrangement for operation of a searchlight

Single, bi-color elevator hall enunciator lantern

Solid state light with self diagnostics and predictive...

Subsystem and method for detecting lamp failure