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:
Mar. 20, 2018
Filed:
Jun. 29, 2016
Applicant:
Honeywell International Inc., Morris Plains, NJ (US);
Inventors:
Barrett E. Cole, Bloomington, MN (US);
Robert P. Costello, Roseville, MN (US);
Assignee:
Honeywell International Inc., Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 15/14 (2006.01); G01N 15/06 (2006.01); G01N 15/10 (2006.01);
U.S. Cl.
CPC ...
G01N 15/1434 (2013.01); G01N 15/06 (2013.01); G01N 2015/1043 (2013.01);
Abstract
Devices and methods for detecting particulate matter are described herein. One device includes a laser, a reflector, an ellipsoidal reflector, and a detector, wherein the laser is configured to emit a beam, the reflector is configured to reflect the beam toward the ellipsoidal reflector, and the ellipsoidal reflector has a first focal region located on a path of the reflected beam, and a second focal region located at a surface of the detector.