Northrop Grumman Systems Corporation

Northrop Corporation

Dennis David Vaccaro

Rodney Max Solina

Ronald J Langietti

Robert J Coles

Apparatus in one example comprises first and second fence posts that cooperate to represent a subportion of a perimeter to be secured. The first fence post comprises a first motion sensor and a first laser sensor. The second fence post comprises a second motion sensor and a second laser sensor. Upon physical movement in a region outside the subportion of the perimeter, one or more of the first and second motion sensors serve to automatically perform a detection of the physical movement in the region outside the subportion of the perimeter. Upon the detection of the physical movement in the region outside the subportion of the perimeter the one or more of the first and second motion sensors serve to automatically cause the first and second laser sensors to monitor for physical movement at the subportion of the perimeter.

Automatic detection and monitoring of perimeter physical movement

An aircraft location and identification system, including a first position determining portion located aboard a transmitting aircraft for determining a first set of present positional and tracking information is described relative to said transmitting aircraft. A transmitting portion is included for transmitting the first set of present positional and tracking information to a receiving aircraft. A second position determining portion, which is located aboard the receiving aircraft, determines a second set of present positional and tracking information relating to the receiving aircraft. A computing portion is located aboard the receiving aircraft and/or a ground based facility. The computing portion utilizes present and past values of the first set of present positional and tracking information to derive a corresponding first probabilistic future tracking configuration of the transmitting aircraft. The computing portion also utilizes present and past values of the second set of the present positional and tracking information to derive a corresponding second probabilistic future tracking configuration of the receiving aircraft.

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Glenview, IL, United States of America

Dennis David Vaccaro