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METHOD OF ACTIVATING A SUPPLEMENTAL VISUAL WARNING SIGNAL BASED ON FREQUENCY EMITTED FROM A GENERATOR OF A PRIMARY AUDIBLE WARNING SIGNAL
METHOD OF ACTIVATING A SUPPLEMENTAL VISUAL WARNING SIGNAL BASED ON FREQUENCY EMITTED FROM A GENERATOR OF A PRIMARY AUDIBLE WARNING SIGNAL
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机译:基于主音频警告信号生成器发出的频率的辅助视觉警告信号的激活方法
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摘要
A system and method for signaling users including a control device electrically connected to a transceiver. The transceiver has a specified frequency. A first mobile signal device being activated by a first user and electrically communicating with a first transmitter having a selectable signal frequency. The first transmitter electrically communicates with the transceiver using the specified frequency. A second signal device includes a second receiver for receiving an activation signal from the transceiver. The second receiver electrically communicates with the transceiver using the specified frequency. The second signal device is activated by the activation of the first mobile signal device using the transceiver for alerting other persons.
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