System for individual and remote control of spaced lighting...
Temperature stabilization of laser diodes and light emitting dio
Test flash device for flash discharger
Time enabled photosensing circuit
Timed photocell switch circuit
Timer controlled outdoor ground lighting system with intruder de
Touch operated control system for electrical devices
Traffic light dimmer system
Two photocell controlled lighting system employing filters for t
Two-level security lighting system
Two-level security lighting system
Ultra violet initiated gas discharge visual display matrix
Ultra-compact igniter circuit for arc discharge lamp
Ultraviolet detection tube quenching circuitry
UV Radiation triggered rail-gap switch
Vapor discharge lamp assembly
Variable color luminaire
Variable intensity warning light
Vending machine fluorescent tube monitor
Video light apparatus