Accordion mount for solar cells including point-of-purchase disp

Actuating circuit for light measuring circuit in electronic flas

Adaptive instrument display brightness control system

Ambient light responsive illumination brightness control circuit

Anti-flicker circuit for automatic turn-on of nightlight

Anti-flicker night light

Apparatus and method for adjusting lights according to the level

Apparatus and method for controlling illumination of lamp

Apparatus and method for monitoring the life of arc lamp bulbs

Apparatus and method for providing a modulated electron beam

Apparatus and method for switching a light source

Apparatus and methods for making spectroscopic measurements...

Apparatus and methods for providing emergency safety lighting

Apparatus and methods for providing emergency safety lighting

Apparatus for controlling lighting lamp with security...

Arc detector for glow discharges

Arc lamp stabilization

Auto light-control system

Auto strobe control circuit

Auto-adjustable operating room light