The present invention relates to a multifunctional warning speaker for a vehicle. At present, a traffic alert speaker, an anti-theft alarm speaker and the like in a vehicle has a sound warning function, the sound parameters and functions of the products are different and are all installed in the vehicle, and thus the vehicle is equipped with multiple speakers. The multifunctional warning speaker comprises a shell (2) which is internally equipped with a backup battery (4) which is connected to a battery management circuit (5), the management circuit (5) is connected to a MCU central control system (9) which is respectively connected to voice chip control circuit (6), a LIN transceiver (11) and a CAN transceiver (12). The voice chip control circuit is connected to a speaker driving circuit (7) which is electrically connected to a warning speaker (8). The multifunctional warning speaker is used for the vehicle.
Multifunctional warning speaker for vehicle
2015-10-14
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 |
WARNING SOUND SYSTEM FOR VEHICLE USING SUPER-DIRECTIONAL SPEAKER
Europäisches Patentamt | 2020
|