Concealed object detection
AssigneeL-3 Communications CyTerra Corporation
InventorsWilliam Steinway, Gregory Stilwell, Herbert Duvoisin, III, David H. Fine
Life of this patent
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Abstract
A concealed object detection system for detecting objects concealed on a person includes radar transponders that are each configured and positioned to direct a radar signal at a person and to detect a portion of the radar signal reflected by the person. A processor connected to the radar transponders processes the portions of the radar signals detected by the radar transponders to determine whether the person is carrying a concealed object. The system may produce a real-time alert, such as an audible alert, when a concealed object is detected.
Claims15
An object detection system for detecting objects carried by a person, the system comprising:
- radar transceivers that are each configured and positioned to direct a radar signal at a person and to detect a portion of the radar signal reflected by the person;
- and
- a processor connected to the radar transceivers and operable to:
- process the portions of the radar signals detected by the radar transceivers to conduct a test to determine whether the person is carrying an object to be detected, in which a first characteristic of a first dielectric constant associated with the person is determined from the portions of the radar signals detected by the radar transceivers and a second characteristic of a second dielectric constant associated with the object to be detected is determined from the portions of the radar signals detected by the radar transceivers, and
- analyze the portions of the radar signals in comparison with pre-determined types of items, and, based on the comparison, to output an indication of a detected object.
Dependencies are inferred from the claim text.