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. 15, 2016

Filed:

Jun. 23, 2011
Applicants:

Yoshihiro Konno, Tokyo, JP;

Masaru Sasaki, Tokyo, JP;

Inventors:

Yoshihiro Konno, Tokyo, JP;

Masaru Sasaki, Tokyo, JP;

Assignee:

ADAMANT KOGYO, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/02 (2006.01); G01R 33/032 (2006.01);
U.S. Cl.
CPC ...
G01R 33/032 (2013.01);
Abstract

A two-core optical fiber magnetic field sensor is configured from at least a light incidence/emission unit; a lens; a magnetic garnet; and a reflector, wherein the lens and the magnetic garnet are disposed between the light incidence/emission end of the light incidence/emission unit and the reflector; a light beam is emitted from one optical fiber; the light beam is reflected by the reflector after being transmitted through the lens and the magnetic garnet; the light beam is transmitted again through the magnetic garnet and the lens after the reflection; and incident on the other optical fiber, the light beam is emitted again from the other optical fiber, and reflected by the reflector after being transmitted through the lens and the magnetic garnet; and the light beam is transmitted again through the magnetic garnet and the lens after the reflection and incident again on the one optical fiber.


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