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:
Nov. 22, 2022
Filed:
Dec. 18, 2018
Applicant:
Hottinger Baldwin Messtechnik Gmbh, Darmstadt, DE;
Inventors:
Luis Alberto De Almeida Ferreira, Vila Nova de Gala, PT;
Francisco Manuel Moita Araljjo, Matosinhos, PT;
Jochen Maul, Mainz, DE;
Assignee:
HOTTINGEER BRÜEL & KJAER GMBH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 1/24 (2006.01);
U.S. Cl.
CPC ...
G01L 1/246 (2013.01);
Abstract
A measuring arrangement for fiber Bragg grating measurement points and particularly a measuring arrangement for two fiber Bragg gratings (FBG), wherein a first measurement point is subjected to tension and a second measurement point is subjected to pressure, or vice versa. The circuit arrangement includes a broadband light source, a first beam splitter, a second beam splitter, a third beam splitter, a fourth beam splitter, a fifth beam splitter, photodiodes and an optical delay element.