Importance

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Abstract

A fail-safe access control chamber security system (ACCSS) including a bullet-proof access control unit (ACU) having an entrance chamber and an exit chamber. The entrance chamber includes a first interlocking door providing passage from a non-secure area into the entrance chamber and a second interlocking door providing passage from the entrance chamber to a secure area. The entrance chamber includes a first floor mat and a second floor mat located between the first and second doors to determine the location of a person within the entrance chamber. A metal detector is provided between the first and second floor mats and the system includes arrangements for preventing entrance into the secure area if a weapon is present. Control circuitry prevents the simultaneous opening of the first and second doors. The exit chamber includes a third interlocking door for providing passage from the secure area into the exit chamber and a fourth interlocking door providing passage from the exit chamber to the non-secure area. A third floor mat located between the third and fourth doors determines the location of a person within the exit chamber. The system includes arrangements for preventing the simultaneous opening of the third and fourth doors.

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First Claim