Apparatus for broadcasting a warning signal
AssigneeEmergency Warning Systems Pty Ltd
InventorsSalvatore Tringali, Keith Manson
Life of this patent
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Abstract
There is disclosed, vehicle mounted apparatus for broadcasting a warning signal on a radio channel to thereby warn of the vehicle's approach, the apparatus includes a transmitter for broadcasting a warning signal on a radio channel, and a controller for controlling the strength of the broadcast warning signal on the basis of a signal strength of a normal signal on the radio channel to thereby control a broadcast range of the warning signal.
Claims13
Vehicle mounted apparatus for broadcasting a warning signal on a radio channel to thereby warn of the vehicle's approach, the apparatus including:
- a transmitter for broadcasting a warning signal on a radio channel;
- and
- a controller for controlling the strength of the broadcast warning signal on the basis of a signal strength of a normal signal on the radio channel to thereby control a broadcast range of said warning signal.
A method of broadcasting a warning signal including:
- broadcasting a warning signal on a radio channel using a transmitter;
- and
- controlling the strength of the warning signal on the basis of the signal strength of a normal signal on said radio channel to thereby control a broadcast range of said warning signal.
Dependencies are inferred from the claim text.