COMMUNICATION SYSTEM AND ALARM DEVICE
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United States of America Patent
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app pub date -
Jul 11, 2012
filing date -
Oct 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An alarm device including: a reception circuit section; a transmission circuit section; a sensor section which detects abnormal conditions; an alert section; an alarm registration section which, when a registration send mode is in effect to form a linked group, sends a registration event signal containing the transmission source code, and when set to a registration receive mode, registers the transmission source codes contained in event signals received from the other alarm devices in a memory; an abnormal condition monitoring section; and a transmission power switch control section which, when the registration send mode is initiated by the alarm registration section, reduces the transmission power of the transmission circuit section beyond that of normal operation.
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