VEHICLE WARNING SOUND RADIATOR Russian patent published in 2014 - IPC B60Q5/00 

FIELD: transport.

SUBSTANCE: set of inventions relates to technique of sound radiation in a vehicle. Vehicle warning sound radiator includes device for radiation of sounds to warn about moving out of vehicle and warning sound control device to control sound radiation device. Sound control device specifies movement warning sound at frequency of 1.5-6 kHz, which sound is audible outside the vehicle but not audible inside the vehicle. Sound control device maintains constant sound volume level. Also, the warning sound control device can specify movement warning sound at frequency from selected frequency range where curves of equal volume levels correspond to minimum level of sound pressure.

EFFECT: decreased irritation of vehicle driver.

6 cl, 9 dwg