Concealed object detection

• US 20050099331A1
• Filed: 12/13/2004
• Published: 05/12/2005
• Est. Priority Date: 09/12/2001
• Status: Active Grant

• Current Assignee: L3 Fuzing & Ordnance Systems, Inc. (L3Harris Technologies, Inc.)
• Original Assignee: CyTerra Corp. (L3Harris Technologies, Inc.)
• Inventors: Duvoisin, Herbert III, Fine, David H., Steinway, William, Stilwell, Gregory
• Granted Patent: US 7,064,701 B2
• Time in Patent Office: Days
• US Class Current: 342/22
• CPC Class Codes: G01S 13/04 Systems determining presence of a target based on relative movement of target G01S13/56
• CPC Class Codes: G01S 13/87 Combinations of radar systems, e.g. primary radar and secondary radar
• CPC Class Codes: G01S 13/886 for alarm systems alarms with electrical actuation G08B13/22
• CPC Class Codes: G01S 7/411 Identification of targets based on measurements of radar reflectivity G01S7/415 takes precedence
• CPC Class Codes: G01V 3/12 operating with electromagnetic waves operating with millimetre waves G01V8/005
• CPC Class Codes: H01Q 1/273 Adaptation for carrying or wearing by persons or animals
• CPC Class Codes: H01Q 9/27 Spiral antennas

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.

Claims

1. A concealed object detection system for detecting objects concealed on a person, the system comprising:

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; and

a processor connected to the radar transponders and operable to process the portions of the radar signals detected by the radar transponders to determine whether the person is carrying a concealed object.