Boundary crossing object detection system

Details Boundary crossing object detection system Boundary crossing object detection system

2006-03-24

2009-02-17

Gregory, Bernarr E (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

By motion detection

C342S027000, C342S147000, C342S149000, C342S175000, C342S195000, C340S500000, C340S540000, C340S541000, C340S552000, C340S554000, C340S565000, C340S567000

Reexamination Certificate

active

07492306

ABSTRACT:
An boundary monitoring apparatus comprising an object detection device arranged to transmit a signal into a detection region and to detect an object in said detection region upon receipt of a reflected signal from said object; means for defining a boundary in said detection region; means for determining a path of said object in the detection region; means for performing an evaluation of the determined path of the object with respect to the boundary; and means for causing an alarm event depending on the evaluation.

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“North American Radar”; no author listed; no date given; on the Internet at mysite.wanadoo-members.co.uk.
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