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Patent Searching and Data


Title:
MONITORING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2019/230369
Kind Code:
A1
Abstract:
The present invention provides a monitoring mechanism for monitoring the state of a signal tower having a plurality of light emitting parts. A transparent transmissive part 12 is provided in a covering case 11 of this monitoring mechanism 10. The transmissive part 12 covers the outer circumference of a signal tower 20. Optical sensors 34a, 34b, 34c move to positions facing light emitting parts 24a, 24b, 24c of the signal tower 20 due to the movement of the optical sensors 34a, 34b, 34c with respect to the transmissive part 12.

Inventors:
HIBINO KAZUSHIGE (JP)
NISHIKAWA MAKOTO (JP)
Application Number:
PCT/JP2019/019106
Publication Date:
December 05, 2019
Filing Date:
May 14, 2019
Export Citation:
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Assignee:
CONTEC CO LTD (JP)
International Classes:
G05B19/418; F21S2/00; F21V23/00; G08B5/36; G08B25/08; F21Y113/13; F21Y115/10
Domestic Patent References:
WO2016171213A12016-10-27
Foreign References:
JP2018032396A2018-03-01
JP2002132324A2002-05-10
JP3202062U2016-01-14
JP2013012836A2013-01-17
JP2018200673A2018-12-20
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (JP)
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