Invention Grant
US09344532B2 Method and apparatus for operating a radio communication device to efficiently propagate emergency signals 有权
用于操作无线通信设备以有效地传播紧急信号的方法和装置

Method and apparatus for operating a radio communication device to efficiently propagate emergency signals
Abstract:
A method and apparatus are provided by which a radio communication device relays emergency signals across different channels using dual-watch. A dual-watch primary receiver of the radio communication device is allocated to a user selected home channel, while a dual-watch secondary receiver continually scans a pre-stored list of secondary channels for the purpose of detecting a possible emergency signal. The radio communication device upon detecting an emergency signal in either the home channel or any of the scanned secondary channels, relays the emergency signal to all the channels present in the radio communication device's channel list, except for the originating channel.
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