| http://www.w3.org/ns/prov#value | - REVOLUTIONARY CONCEPTS, INC. (Matthews, NC)International Classification: G08B 21/00, H04N 5/00U.S. Classification: 340540, 348143, 348E05001Abstract: 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
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