Wide-area intruder detection and tracking network

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S553000, C340S539220, C340S551000, C342S065000, C342S357490, C342S453000, C342S450000, C455S500000, C701S219000

Reexamination Certificate

active

07154392

ABSTRACT:
A method is provided for at least one of detecting and tracking an object within a wide-area. The method including: deploying three or more sensors within the wide-area, each of the sensors having one or more polarized radio frequency waveguides; transmitting polarized radio frequency radiation from at least one source; detecting a reflection of the transmitted polarized radio frequency radiation; and calculating one of a detection or position of an object within the wide-area based on the detected reflection. At least one of the three or more sensors and at least one source can be a mobile platform, which can be manned or unmanned. The three or more sensors can be deployed manually or remotely, such as from a projectile.

REFERENCES:
patent: 3886549 (1975-05-01), Cheal et al.
patent: 4697184 (1987-09-01), Cheal et al.
patent: 6531965 (2003-03-01), Kaiser et al.
patent: 6710736 (2004-03-01), Fullerton et al.
patent: 6822604 (2004-11-01), Hall et al.

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