System and method for occupancy detection

US8654197B2 · kind B2 · utility

Assignee

• Raytheon Company · US

Inventors

• Henry J. Nizko · Melbourne, US
• W. Gordon Woodington · Lincoln, US
• David V. Manoogian · Lynnfield, US
• Mark E. Russell · Shasta Lake, US
• Maurice J. Toolin · Fitchburg, US
• Jonathan H. Walzer · Marshfield, US

Key dates

• Filing date: Mar 4, 2009
• Grant date: Feb 18, 2014
• Expiry date: Jan 17, 2031

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S13/87
• WIPO field: Measurement
• WIPO sector: Instruments

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.