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. 21, 2023
Filed:
Jul. 31, 2019
Applicant:
Rapiscan Systems, Inc., Torrance, CA (US);
Inventors:
Bradley Douglas Shaw, Plaistow, NH (US);
William Rogers, Somerville, MA (US);
Vladimir Romanov, Pelham, NH (US);
Adam Justin Maines, Steamboat Springs, CO (US);
Assignee:
Rapiscan Systems, Inc., Torrance, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01); B01D 53/26 (2006.01);
U.S. Cl.
CPC ...
G01N 33/0006 (2013.01); B01D 53/26 (2013.01); G01N 33/006 (2013.01); G01N 33/0014 (2013.01); G01N 33/0029 (2013.01);
Abstract
Embodiments of the present specification provide methods and systems for maintaining accuracy and precision of calibration for a detector. The methods and systems include reducing the humidity of an internal calibration assembly by directing flow path of dry air periodically through the internal calibration assembly.