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:
Jun. 17, 2008
Filed:
Oct. 15, 2004
Mitsuhiro Iga, Tokyo, JP;
Kazuhiro Watanabe, Tokyo, JP;
Atsushi Seki, Tokyo, JP;
Tama- Tlo, Ltd., Tokyo, JP;
Abstract
An optical fiber sensor enabling simpler detection of a state of an external environment and a measuring apparatus using the same are provided. At a front end of an optical fiber portionfor transmitting the light a hetero core having a different diameter from that of a core of the optical fiber portionis melt bonded so as to form a tip type optical fiber sensorhaving a sensor portioncomprised of the hetero core on its front end. An end of the optical fiber portionside of this tip type optical fiber sensorhas a light sourceconnected to it. Returned light striking the optical fiber portionfrom the light sourceand subjected to interaction with a measurement medium MD at the sensor portionis split by an optical fiber couplerand received at a photodiode or spectrum analyzer, thereby an optical fiber sensor measuring apparatusis constructed.