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. 10, 2005
Filed:
Aug. 15, 2001
Applicant:
Richard B. Dyott, Oak Lawn, IL (US);
Inventor:
Richard B. Dyott, Oak Lawn, IL (US);
Assignee:
KVH Industries, Inc., Middletown, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B009/02 ;
U.S. Cl.
CPC ...
Abstract
A method and device for measuring the current in a conductor are presented. They utilize the Faraday effect on counter-propagating circularly polarized beams of light in a fiber optic coil. The light beams are transformed to and from circular polarization by a polarization transformer comprised of a birefringent fiber with a twist through an appropriate angle at an appropriate distance from one end.