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:
Oct. 05, 2010
Filed:
Jul. 01, 2005
Masaki Izumo, Tokyo, JP;
Tetsuro Wada, Tokyo, JP;
Kazuhiro Miyazawa, Tokyo, JP;
Kazuhiko Matsuda, Tokyo, JP;
Masaki Hattori, Tokyo, JP;
Masaki Izumo, Tokyo, JP;
Tetsuro Wada, Tokyo, JP;
Kazuhiro Miyazawa, Tokyo, JP;
Kazuhiko Matsuda, Tokyo, JP;
Masaki Hattori, Tokyo, JP;
The Furukawa Electric Co., Ltd, Tokyo, JP;
Abstract
An optical power supply type sensing system includes: an optical directivity coupler () mounted in a sensor unit (); a photo-electric converter () connected to a first optical fiber () among the first to the third optical fiber () connected to the optical directivity coupler (); an optical output device () connected to the second optical fiber (); and a measurement device () connected to the third optical fiber () drawn out of the sensor unit ().