Importance

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Abstract

A secured area access system for providing access to a protected area is disclosed. In one embodiment, a vehicle access security system, comprising a transmitter, a detector, an access controller module is taught, wherein the transmitter transmits a modulated secured area access signal into an acoustic or optical communications channel, which is detected by the detector. The detector is adapted to detect the modulated vehicle access signal and further adapted to have a detector output signal. An access controller module receives the detector output signal and performs at least one signal processing function. The access controller compares the processed signal against a encoded signal stored in the memory and if it matches send a unlock signal to the locking mechanism of the secured area, granting access to the area. The system may also emulated a transponder code to authorize a start signal

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First Claim