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Title:
OPTICAL CONNECTOR FOR RAILWAY VEHICLE
Document Type and Number:
Japanese Patent JP2015196490
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optical connector for a railway vehicle which can make a capacity of information transmission large, and its reliability high.SOLUTION: An optical connector for a railway vehicle comprises: a light transmission part which transmits an optical signal; a light receiving part which receives the optical signal; a light receiving level value detection part which detects a light receiving level value of the optical signal which is received by the light receiving part; and plurality of light transmission/reception devices each having a comparison/determination part which compares and determines the light receiving level value outputted from the light receiving level value detection part and a prescribed reference value, and outputs a result of the comparison. The light receiving level value of one light transmission/reception device is sent to not only its own comparison/determination part but also the comparison/determination part of the other light transmission/reception device, and each of the comparison/determination parts compares the light receiving level values of at least the two or more light transmission/reception devices out of a plurality of the light transmission/reception devices with the reference value, and determines connection states with oppositely-connected optical connectors and operation states of the two or more optical transmission/reception devices.

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Inventors:
SAMEJIMA AKITAKA
Application Number:
JP2014076853A
Publication Date:
November 09, 2015
Filing Date:
April 03, 2014
Export Citation:
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Assignee:
KOITO ELECTRIC IND LTD
International Classes:
B61G5/10; H04B10/079
Domestic Patent References:
JPH08156791A1996-06-18
JP2004034784A2004-02-05
Attorney, Agent or Firm:
Hideo Takino
Takao Kawasaki
Fumio Takino
Toshiaki Tsuda
Masashi Torino
Park Ji-un
Takashi Otobe