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. 02, 2021
Filed:
Sep. 26, 2019
Applicant:
Airviz Inc., Pittsburgh, PA (US);
Inventors:
Illah Nourbakhsh, Pittsburgh, PA (US);
Dömötör Gulyás, Pittsburgh, PA (US);
Michael Taylor, Pittsburgh, PA (US);
Charles D. Litton, Pittsburgh, PA (US);
Assignee:
AIRVIZ INC., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01); G01N 15/02 (2006.01); G01N 15/06 (2006.01); G01N 21/47 (2006.01);
U.S. Cl.
CPC ...
G01N 15/06 (2013.01); G01N 21/47 (2013.01); G01N 33/0063 (2013.01); G01N 2015/0238 (2013.01);
Abstract
An optical-particle sensor head comprises an electromagnetic radiation source to transmit electromagnetic radiation toward the detection chamber; one or more baffles, between the light source and the detection chamber, to restrain a spread of the electromagnetic radiation from the electromagnetic radiation source; and at least two off-angle photo-sensors.