The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2014
Filed:
Mar. 04, 2009
Henry J. Nizko, Merrimack, NH (US);
W. Gordon Woodington, Lincoln, MA (US);
David V. Manoogian, Lynnfield, MA (US);
Mark E. Russell, Westford, MA (US);
Maurice J. Toolin, Fitchburg, MA (US);
Jonathan H. Walzer, Marshfield, MA (US);
Henry J. Nizko, Merrimack, NH (US);
W. Gordon Woodington, Lincoln, MA (US);
David V. Manoogian, Lynnfield, MA (US);
Mark E. Russell, Westford, MA (US);
Maurice J. Toolin, Fitchburg, MA (US);
Jonathan H. Walzer, Marshfield, MA (US);
Raytheon Company, Waltham, MA (US);
Abstract
A detection system includes a plurality of sensors including an entry sensor having a field of view oriented to detect object entry with respect to an entry portion of an occupancy volume, and an exit sensor having a field of view oriented to detect object exit with respect to an exit portion of the occupancy volume, the exit portion different than the entry portion. The detection system further includes at least one approach sensor having a field of view oriented to detect object approach relative to the entry portion of the occupancy volume, and at least one retreat sensor having a field of view oriented to detect object retreat relative to the exit portion of the occupancy volume.