Title:
SMOKE MONITORING SYSTEM AND SMOKE SENSOR
Document Type and Number:
WIPO Patent Application WO/2022/186052
Kind Code:
A1
Abstract:
One purpose of the present invention is to make a replacement time for a filter known before the replacement time for the filter has passed. A smoke monitoring system that comprises: a counting unit that counts the time elapsed from when a new filter is installed in a smoke sensor; and a smoke alarm panel that displays the time elapsed at a display unit.
Inventors:
YAMANAKA HIROYUKI (JP)
INOUE DAISUKE (JP)
NOZAWA KOUSUKE (JP)
INOUE DAISUKE (JP)
NOZAWA KOUSUKE (JP)
Application Number:
PCT/JP2022/007684
Publication Date:
September 09, 2022
Filing Date:
February 24, 2022
Export Citation:
Assignee:
NOHMI BOSAI LTD (JP)
International Classes:
G08B17/00
Foreign References:
| JP2011215685A | 2011-10-27 | |||
| JP2007286799A | 2007-11-01 | |||
| JPS62179016U | 1987-11-13 | |||
| JP2019122733A | 2019-07-25 | |||
| JP2020042420A | 2020-03-19 | |||
| JPH11147016A | 1999-06-02 |
Attorney, Agent or Firm:
ASAHI PATENT FIRM (JP)
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