| http://www.w3.org/ns/prov#value | - 20090278683SYSTEMS, METHODS, AND APPARATUS FOR METAL DETECTION, VIEWING, AND COMMUNICATIONS - A detection and viewing system includes a wireless device associated with a door and configured to communicate video data, the wireless device including a camera for providing the video data; a sensor for activating the camera, the sensor comprising a metal detector; a plurality of peripheral devices, eac
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