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Title:
GAS LEAKAGE DETECTION SYSTEM
Document Type and Number:
Japanese Patent JP2002109656
Kind Code:
A
Abstract:

To provide a gas leakage detection system which is capable of detecting gas leak, even in a place at which power cannot be supplied.

The gas leakage judging function and alarm function (alarm sound generation, alarm lamp indication) to be built in a gas leakage alarm are omitted to provide a battery-drivable power-saved gas leakage detector. A monitoring device connected communicatively to one or a plurality of such a gas leakage detectors performs gas leak judgment and alarm operation on the basis of the gas concentration detected by the gas leakage detector. As a result of this, since the gas leakage detector can be saved in power so as to be drivable with a battery, and miniaturized, the gas leakage detector can be set, even at a place to which power cannot be supplied, and a more minute gas leakage monitoring action can be performed.


Inventors:
DOI TOSHIYUKI
NUKUI KAZUMITSU
SETO MINORU
Application Number:
JP2000296383A
Publication Date:
April 12, 2002
Filing Date:
September 28, 2000
Export Citation:
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Assignee:
TOKYO GAS CO LTD
International Classes:
G01F1/00; F17D5/06; G01F3/22; G08B21/00; G08B21/16; G08B25/08; (IPC1-7): G08B21/16; F17D5/06; G01F1/00; G01F3/22; G08B21/00; G08B25/08
Attorney, Agent or Firm:
Kenji Doi (1 person outside)