Transformer, lamp base having a transformer and...

Traveling wave tube

Traveling wave tube

Tri-model type circuit breaker and rapid-start fluorescent lamp

Tubular housing with light emitting diodes

Tunable coaxial magnetrons

Tunable magnetron

Tunable microwave cavity

Tunable radio frequency pulse generators

Tuned LRC ballasting circuit for compact fluorescent lighting

Two filament electric bulb traffic light

Two-filament lamp and operating circuit and method for designing

Ultra high frequency radio electric wave generators

Ultra-compact arc discharge lamp system with an additional...

Ultraviolet lamp power supply and method for operating at...

Ultraviolet radiation starting source and lamp containing same

Under-the-cabinet lighting system

Unit comprising a high-pressure discharge lamp and an...

Unit of electric lamp and reflector

Unitary light source comprising compact HID lamp and incandescen