Patent ID: 6920718

Claim:
A security barrier system with alternate power source, said system comprising: a security barrier movable between an open and a closed position; a mechanical apparatus for moving said barrier when said mechanical apparatus is engaged by an appropriate motive force; a primary motor for engaging said mechanical apparatus to thereby move said barrier between said open and closed position; a primary power supply to power operation of said primary motor; a barrier controller operatively connected to said primary motor to thereby control the bi-directional movement of said barrier between said open and closed position by controlling operations of said primary motor; a secondary motor operatively connected to said barrier controller and said secondary motor engaging said mechanical apparatus; a secondary power supply to power operation of said secondary motor; a sensor connected to said system for sensing failure to said primary power supply or primary motor; and an activation device connected to said system, which upon receipt of a signal from said sensor indicating a failure of said primary power supply or said primary motor activates operation of said secondary power supply and said secondary motor,and said controller continues to control bi-directional movement of the barrier between said open and closed positions without interruption.