The present invention relates to an audible vehicle warning system arranged for generating a horn signal and comprising a loudspeaker system comprising 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 comprising one or more sound signals intended as a horn signal when output by said loudspeaker, each of the sound signals having a 1/3 octave frequency band which is taken as a reference frequency band, said reference frequency band containing at least a predetermined part of the total power of the sound signal, and wherein a 1/3 octave frequency band averaged response of the loudspeaker system has in a 1/3 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.
Vehicle warning system
2022-06-22
Patent
Elektronische Ressource
Englisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |