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.:

US 9191122 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 17, 2015

Filed:

Nov. 14, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Takatoshi Yagisawa, Kawasaki, JP;

Takashi Shiraishi, Isehara, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); H04B 10/60 (2013.01); H04B 10/071 (2013.01);
U.S. Cl.
CPC ...
H04B 10/60 (2013.01); G02B 6/4286 (2013.01); H04B 10/071 (2013.01); G02B 6/4214 (2013.01);
Abstract

An optical module include a first substrate including a first surface over which a light emitting element is mounted, an optical waveguide provided with a second surface of the first substrate, a mirror configured to reflect output light of the light emitting element to the optical waveguide, a second substrate, and a light receiving element configured to receive leakage light produced when the output light from the light emitting element is transmitted through the mirror disposed in the optical waveguide, the light receiving element being mounted over the second substrate different from the first substrate.


Find Patent Forward Citations

Yagisawa, Takatoshi. (2015). Optical module with a light receiving element receiving leakage light and method of monitoring optical module by receiving leakage light (U.S. Patent No. 9191122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9191122

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