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2021
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Invention
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Gas and earthquake detector, gas and earthquake remote monitoring system using the same and metho... |
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Invention
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Apparatus and method for sensing water level.
The present invention relates to an apparatus and ... |
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Invention
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Apparatus and method for sensing water level. The present invention relates to an apparatus and m... |
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2020
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Invention
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Carbon monoxide leak alerting device and method.
Provided is a carbon monoxide (CO) leak alertin... |
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Invention
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System and method for discharging carbon monoxide by using carbon monoxide leakage alarm device. ... |
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Invention
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Carbon monoxide leak alerting device and method. The present invention relates to a carbon monoxi... |
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2019
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Invention
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Device and method for sensing earthquake by using acceleration sensor. The present invention rela... |
