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:
Jun. 26, 2018
Filed:
Apr. 24, 2015
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Hans Mai, Goeppingen, DE;
Karl Stengel, Deizisau, DE;
Christof Kaerner, Albershausen, DE;
Gerhard Haaga, Ohmden, DE;
Michael Neuendorf, Plochingen, DE;
Peter Ostertag, Stuttgart, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/47 (2006.01); G01N 21/53 (2006.01);
U.S. Cl.
CPC ...
G01N 21/4785 (2013.01); G01N 21/53 (2013.01);
Abstract
A calibration device for calibrating a scattered-light meter, which is developed for measuring a particle concentration, in particular in automotive exhaust gases, has at least one diffuser which emits scattered light of an intensity and distribution defined by the diffuser when irradiated by light. In addition, the calibration device has a calibration-light source, which is situated within the diffuser or on an external surface of the diffuser.