GAS SHUTOFF DEVICE, AND RADIO DEVICE FOR GAS SHUTOFF DEVICE
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United States of America Patent
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Issued Date -
Feb 25, 2021
app pub date -
Mar 5, 2019
filing date -
Mar 13, 2018
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Abstract
A gas meter according to the present invention includes flow rate measuring part that measures a flow rate of gas flowing through flow passage, shutoff valve that shuts off flow passage, wireless communicator that periodically performs wireless communication externally, and communication interval setting part that sets a communication interval in wireless communication. Communication interval setting part sets the communication interval according to the flow rate of gas measured by flow rate measuring part. By changing a setting of the communication interval according to the flow rate measured by flow rate measuring part, it is possible to enhance a responsiveness required according to the flow rate of gas measured by flow rate measuring part while a minimum necessary communication frequency is maintained. Accordingly, the power saving can be achieved and also convenience can be maintained.
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