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.

Date of Patent:
Mar. 30, 1999

Filed:

Jul. 24, 1997
Applicant:
Inventor:

Laurent Couston, Les Angles, FR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
25022725 ; 25022723 ;
Abstract

A sensor including an emission-reception device 22 which emits a light interacting with a fluid 24 and receives the light after it interacts with the fluid. A tubular light guide 26 immersed in fluid has one end facing the emission-reception device and another end for reflection. A structure 32 maintains the tubular light guide at a predetermined distance from the emission-reception device in order to form an evanescent wave in the fluid.


Find Patent Forward Citations

Loading…