Strobe circuit

Strobe synchronization for averting convulsive reactions to stro

Strobe warning light

Strobe warning light

Strobing scheme and keyboard sensing circuit for a one chip calc

Subscribing to alarms and events in a hierarchy

Subterranean two-wire power and communications network

Sump water detector with isolated probe having AC applied to its

Supervision of transducers

Surface wave power line communications system and method

Sustaining timer for a safety light

Swimming pool alarm

Swimming pool alarm system and method with adjustable sensitivit

Switch closure responsive logic signal generation means

Switch construction responsive to motions of a wearer

Switch means for radio alarm device

Synchronization circuit for visual/audio alarms

Synchronization circuit for visual/audio alarms

Synchronization/reference pulse-based powerline pulse...

Synchronized strobe alarm system