Gas alarm device and gas detection method

Gas alarm device and gas detection method

A gas alarm device is provided, where a heating control section extends a heating period of time of a heater section if a first determination section determines that electrical characteristics of a sensing section of a gas sensor satisfy a first condition, and continues extension of the heating peri...

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Hauptverfasser: Murata, Naoyoshi, Ohnishi, Hisao, Suzuki, Takuya, Nonaka, Atsushi, Okamura, Makoto, Kamioka, Tsuyoshi
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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creator Murata, Naoyoshi
Ohnishi, Hisao
Suzuki, Takuya
Nonaka, Atsushi
Okamura, Makoto
Kamioka, Tsuyoshi
description A gas alarm device is provided, where a heating control section extends a heating period of time of a heater section if a first determination section determines that electrical characteristics of a sensing section of a gas sensor satisfy a first condition, and continues extension of the heating period of time of the heater section according to a determination result, by a second determination section, of whether or not the electrical characteristics upon lapse of extension of the heating period of time satisfy a second condition, and a gas detection section determines, according to the electrical characteristics upon lapse of extension time, that detection target gas is detected.
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subjects ALARM SYSTEMS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
title Gas alarm device and gas detection method
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