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:
Nov. 10, 2009
Filed:
Jul. 18, 2006
Applicants:
Brian J. Kadwell, West Olive, MI (US);
Christopher D. Stirling, Holland, MI (US);
Inventors:
Brian J. Kadwell, West Olive, MI (US);
Christopher D. Stirling, Holland, MI (US);
Assignee:
Gentex Corporation, Zeeland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A particle sensor is provided that includes a light source, an optical transducer, and a controller, wherein the controller is in communication with the light source and the optical transducer. The controller is configured to reject substantially all signals except those contributed by the light source.