VEHICLE WARNING SYSTEM
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Dec 7, 2021
filing date -
Dec 14, 2020
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Abstract
An audible vehicle warning system is arranged for generating a horn signal and includes a loudspeaker system having a loudspeaker arranged for outputting sound signals at least in a selected frequency range comprising at least frequencies from 400 to 2 kHz, a sound library including one or more sound signals intended as a horn signal when output by the loudspeaker. Each of the sound signals has a ⅓ octave frequency band, which is taken as a reference frequency band. The reference frequency band contains at least a predetermined part of the total power of the sound signal. An ⅓ octave frequency band averaged response of the loudspeaker system has in a ⅓ octave frequency band corresponding to the reference frequency band an amplitude level, which is at least a given amount of dB above the average amplitude level in the selected frequency range.
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