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. 16, 1999
Filed:
Feb. 05, 1997
Applicant:
Inventors:
Erhard Lothar Kluth, Alresford, GB;
Malcolm Paul Varnham, Alresford, GB;
Assignee:
Sensor Dynamics Limited, Hampshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 12 ; 385 13 ; 385 38 ;
Abstract
An optical fibre sensor element (1) comprising an optical fibre (2), a protective coating on the optical fibre, and shape constraining means (3) which causes the optical fibre (2) to follow a path which extends in a generally longitudinal direction and which is such that the coated optical fibre (3) is not perfectly straight and it is impossible to draw an imaginary straight line in any direction which remains inside the coated optical fibre (3) along the entire length of the optical fibre sensor element (1).