Title:
BUTTON LIGHT ADJUSTMENT DEVICE FOR ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2020/208691
Kind Code:
A1
Abstract:
A button light adjustment device for an elevator is provided which can easily suppress variation in brightness of multiple button lights on a cab operation panel provided in the elevator cab. This button light adjustment device for an elevator is provided with a video analysis unit which analyses the brightness of the multiple buttons on a cab operation panel on the basis of the video from a camera in the elevator cab, a brightness comparison unit which compares the brightness of the multiple buttons analyzed in the video analysis unit, and a button light pulse width adjustment unit which, on the basis of comparison results by the brightness comparison unit, adjusts the lighting pulse width of the multiple button lights so as to suppress the variation in brightness of multiple button lights.
Inventors:
NAKANO YUSUKE (JP)
Application Number:
PCT/JP2019/015350
Publication Date:
October 15, 2020
Filing Date:
April 08, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B3/00; B66B1/50; B66B5/00
Foreign References:
| JP2016060565A | 2016-04-25 | |||
| JP2010195496A | 2010-09-09 | |||
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| JP2013071795A | 2013-04-22 | |||
| JP2013245047A | 2013-12-09 | |||
| JP5865961B2 | 2016-02-17 | |||
| JPH03162376A | 1991-07-12 | |||
| JP2013155019A | 2013-08-15 | |||
| JP2011011872A | 2011-01-20 | |||
| JP5875450B2 | 2016-03-02 | |||
| US4648488A | 1987-03-10 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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