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:
May. 31, 2022
Filed:
Oct. 27, 2017
Applicant:
United Kingdom Research and Innovation, Swindon, GB;
Inventor:
Damien Weidmann, Didcot, GB;
Assignee:
UNITED KINGDOM RESEARCH AND INNOVATION, Swindon, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01J 3/08 (2006.01); G01J 3/42 (2006.01); G01N 21/27 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01J 3/08 (2013.01); G01J 3/42 (2013.01); G01N 21/276 (2013.01); G01J 2003/423 (2013.01);
Abstract
Methods and apparatus are disclosed for detecting one or more species in a sample, wherein laser probe light is frequency swept across at least one infra red absorption spectrum feature of each of the species. A path from the probe light source to a single detector element may be switched between at least one sample absorption cell or volume and one or more reference cells or volumes.