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:
Aug. 11, 2015
Filed:
Jul. 25, 2013
Applicant:
Ralph A. Bergh, Lititz, PA (US);
Inventor:
Ralph A. Bergh, Lititz, PA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 19/72 (2006.01); G01C 19/64 (2006.01); G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
G01C 19/64 (2013.01); G01B 9/0209 (2013.01); G01B 9/02049 (2013.01); G01C 19/72 (2013.01);
Abstract
An interferometer employed, in part, as a Sagnac interferometer or fiber optic gyro (FOG) includes a light source that provides a source light wave that is split into first and second light waves that are directed to traverse a defined optical loop path in opposite directions. The defined optical loop path in accordance with the present invention is provided by multiple waveguides wound into a coil such that the opposite traveling first and second light waves serially travel through all of the waveguides in opposite directions around the optical loop path.