Title:
OPTICAL SENSOR DIAGNOSIS ASSISTANCE DEVICE, OPTICAL SENSOR DIAGNOSIS ASSISTANCE METHOD, DIAGNOSIS ASSISTANCE SYSTEM, AND AUTOMATIC DOOR SENSOR
Document Type and Number:
WIPO Patent Application WO/2021/157307
Kind Code:
A1
Abstract:
An automatic door sensor 20 functioning as an optical sensor diagnosis assistance device is provided with a signal acquisition unit 23b and a determination unit 23c and acquires a signal from an optical sensor that receives, by light reception elements 22a provided in a corresponding manner to respective detection segments that are set at specific positions, reflection of light projected from a single light projection element 21a.
The signal acquisition unit 23b acquires signals corresponding to the light reception states of the light reception elements 22a provided in a corresponding manner to the respective detection segments. The determination unit 23c determines whether the signals acquired by the signal acquisition unit 23c match each other.
Inventors:
MATSUNAGA JUNICHI (JP)
KIYOMASA YOSHINORI (JP)
KIYOMASA YOSHINORI (JP)
Application Number:
PCT/JP2021/000886
Publication Date:
August 12, 2021
Filing Date:
January 13, 2021
Export Citation:
Assignee:
NABTESCO CORP (JP)
International Classes:
E05F15/74; G01V8/20
Domestic Patent References:
| WO2018192877A1 | 2018-10-25 |
Foreign References:
| JP2020016054A | 2020-01-30 | |||
| JPS59109887A | 1984-06-25 | |||
| JPH1061320A | 1998-03-03 | |||
| JP2003003750A | 2003-01-08 | |||
| JP2015083742A | 2015-04-30 | |||
| JP2009229079A | 2009-10-08 | |||
| JP2008075360A | 2008-04-03 | |||
| JP2011215122A | 2011-10-27 | |||
| US5026990A | 1991-06-25 | |||
| JPH0815445A | 1996-01-19 | |||
| JP2020066970A | 2020-04-30 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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