Patent ID: 11863146
Assignee: WHELEN ENGINEERING COMPANY, INC.
Field: Control (Instruments)
Classification: CPC G  H | IPC H

Claim 0:
1. A system for providing an emergency sound alert, comprising:
one or more processors coupled to memory, configured to:
read tone information and volume level information corresponding to an emergency sound generator associated with a vehicle from the memory; and
control an output sound of the emergency sound generator based on the tone information and volume level information; and

the memory storing the tone information including frequency variation data over a predetermined period and the volume level information including volume level variation data over the predetermined period;
wherein the output sound is provided by mixing at least two tones, and each volume level information is a level upon which the output sound is based to be scaled; and
wherein the volume level information is provided in digital codes over a CAN bus, and each digital code is associated with a percentage to which the output sound is scaled.