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:
May. 22, 2018
Filed:
Apr. 10, 2017
Applicant:
Comtrol Corporation, New Brighton, MN (US);
Inventors:
Nolan Kariniemi, New Brighton, MN (US);
Mark Pikkarainen, New Brighton, MN (US);
Assignee:
Comtrol Corporation, New Brighton, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/18 (2006.01); G08B 13/183 (2006.01);
U.S. Cl.
CPC ...
G08B 13/183 (2013.01);
Abstract
A security system includes a plurality of laser scanners to establish light shields in an area to be monitored, with each of the light shields including at least one detection zone, and a controller to detect unauthorized entry to the area to be monitored based on a position and timing of breaks in the detection zones of the light shields.