Title:
FUSION SPLICER AND OPTICAL FIBER DISTINGUISHING METHOD
Document Type and Number:
WIPO Patent Application WO/2013/031329
Kind Code:
A1
Abstract:
The present invention is provided with an imaging unit (12) for irradiating light to a target optical fiber (2) from a side of the target optical fiber (2) and capturing a lateral transmission image, and a distinguishing unit (20) for creating a target luminance distribution in the direction orthogonal to the optical axis of the target optical fiber (2) from the lateral transmission image and comparing the target luminance distribution with reference luminance distribution data registered in advance for a reference optical fiber to distinguish the type of the target optical fiber. The reference luminance distribution is a luminance distribution obtained by capturing a plurality of lateral transmission images using the imaging unit (12) while rotating the reference optical fiber, and averaging the plurality of luminance distributions created from the plurality of lateral transmission images.
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Inventors:
ONOZAKI SHU (JP)
KAWANISHI NORIYUKI (JP)
KONUMA TOMOHIRO (JP)
KAWANISHI NORIYUKI (JP)
KONUMA TOMOHIRO (JP)
Application Number:
PCT/JP2012/064982
Publication Date:
March 07, 2013
Filing Date:
June 12, 2012
Export Citation:
Assignee:
FUJIKURA LTD (JP)
ONOZAKI SHU (JP)
KAWANISHI NORIYUKI (JP)
KONUMA TOMOHIRO (JP)
ONOZAKI SHU (JP)
KAWANISHI NORIYUKI (JP)
KONUMA TOMOHIRO (JP)
International Classes:
G02B6/255
Foreign References:
| JPH09179003A | 1997-07-11 | |||
| JP2006005817A | 2006-01-05 | |||
| JP2009223580A | 2009-10-01 | |||
| JP2002169050A | 2002-06-14 | |||
| JP2006509220A | 2006-03-16 |
Other References:
See also references of EP 2752695A4
None
None
Attorney, Agent or Firm:
YAMAZAKI, TAKAAKI (JP)
Takaaki Yamazaki (JP)
Takaaki Yamazaki (JP)
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Claims: