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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Main Authors Murata, Naoyoshi, Ohnishi, Hisao, Suzuki, Takuya, Nonaka, Atsushi, Okamura, Makoto, Kamioka, Tsuyoshi
Format Patent
LanguageEnglish
Published 13.07.2021
Subjects
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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Abstract 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.
AbstractList 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.
Author Okamura, Makoto
Ohnishi, Hisao
Suzuki, Takuya
Nonaka, Atsushi
Murata, Naoyoshi
Kamioka, Tsuyoshi
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– fullname: Okamura, Makoto
– fullname: Kamioka, Tsuyoshi
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RelatedCompanies FUJI ELECTRIC CO., LTD
Osaka Gas Co., Ltd
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Snippet 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...
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SubjectTerms 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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