Invention Grant
- Patent Title: Optical power supply type sensing system
- Patent Title (中): 光电式感应系统
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Application No.: US11631383Application Date: 2005-07-01
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Publication No.: US07806603B2Publication Date: 2010-10-05
- Inventor: Masaki Izumo , Tetsuro Wada , Kazuhiro Miyazawa , Kazuhiko Matsuda , Masaki Hattori
- Applicant: Masaki Izumo , Tetsuro Wada , Kazuhiro Miyazawa , Kazuhiko Matsuda , Masaki Hattori
- Applicant Address: JP Tokyo
- Assignee: The Furukawa Electric Co., Ltd
- Current Assignee: The Furukawa Electric Co., Ltd
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2004-196967 20040702
- International Application: PCT/JP2005/012245 WO 20050701
- International Announcement: WO2006/004061 WO 20060112
- Main IPC: G02B6/36
- IPC: G02B6/36
Abstract:
An optical power supply type sensing system includes: an optical directivity coupler (6) mounted in a sensor unit (1); a photo-electric converter (4) connected to a first optical fiber (5) among the first to the third optical fiber (5, 7, 8) connected to the optical directivity coupler (6); an optical output device (3) connected to the second optical fiber (7); and a measurement device (10) connected to the third optical fiber (8) drawn out of the sensor unit (1).
Public/Granted literature
- US20080292243A1 Optical Power Supply Type Sensing System Public/Granted day:2008-11-27
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