The invention relates to a subsidiary loudspeaker for vehicles and bikes, including a tail pipe, a host module and an eternal controller; the host module receives imitation commands from the external controller, a central processing unit operates and outputs a control signal according to the detected parameter values of power rotation speed and vehicle speed to adjust the imitated exhaust sound output by a speaker in the tail pipe; to thereby adjust the exhaust sound, to meet low noise requirements of environmental law and reduce occurrence of vehicle accidents.
Subsidiary loudspeaker for vehicles and bikes
2018-07-10
Patent
Electronic Resource
English
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 / B60C VEHICLE TYRES , Fahrzeugreifen / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |
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