System for detecting underinflated tire in a rolling vehicle

System for indicating interruption in operation of automotive la

System for long distance transmission of signals in both directi

System for monitoring and indicating acoustically the operating

System for monitoring spaces by electro-optical means

System for monitoring the lubricating-oil pressure of an engine

System for monitoring the sensor responsive to a periodic condit

System for producing warning signals perceivable by an automobil

System for providing a driving person with helpful information f

System for providing an indication of wind shear

System for providing an integrated display of instantaneous info

System for signalized intersection control

System for signalling conditions of, including an emergency with

System for warning the approach of an emergency vehicle

System governing the position of a sensor

System of generating synchronizing signals in a navigational lig

System to detect slippage of a clutch for an internal combustion

Systems and methods for two-way messaging using a pager

Tactile target alerting system

Take-off warning system for aircraft