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:
Feb. 28, 2017
Filed:
Mar. 13, 2013
Applicant:
Oxsensis Ltd, Chilton, Didcot, Oxfordshire, GB;
Inventors:
Ralf-Dieter Pechstedt, Didcot, GB;
Fabrice F. M. Maillaud, Ormes, FR;
Assignee:
Oxsensis Limited, Didcot, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 19/04 (2006.01); G01L 11/02 (2006.01); G01J 3/02 (2006.01); G01L 9/00 (2006.01); G01L 27/00 (2006.01); G01J 9/02 (2006.01); G01D 3/028 (2006.01); G01J 3/26 (2006.01);
U.S. Cl.
CPC ...
G01L 11/02 (2013.01); G01J 3/0286 (2013.01); G01L 9/0079 (2013.01); G01L 27/002 (2013.01); G01D 3/028 (2013.01); G01J 3/26 (2013.01); G01J 2009/0257 (2013.01); G01L 9/0092 (2013.01);
Abstract
An optical pressure sensor is disclosed having a pressure sensing optical cavity. A temperature sensing optical cavity at the sensor head is used by an interrogator to correct a pressure signal for effects of temperature. The optical cavities may be, for example, Fabry Perot cavities in the sensor head.