Sound effects are generated from a speaker inside a vehicle compartment repeatedly between a lower limit frequency and an upper limit frequency in accordance with an increase in the vehicle velocity. Consequently, the frequency is increased with respect to an increase in the vehicle velocity, in a manner so that audible sound effects, that is, sound effects at a so-called infinite scale, are generated.
ACTIVE SOUND EFFECT GENERATING DEVICE
25.07.2019
Patent
Elektronische Ressource
Englisch
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / 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 / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES |
ACTIVE SOUND EFFECT GENERATING DEVICE AND ACTIVE SOUND EFFECT GENERATING METHOD
Europäisches Patentamt | 2025
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