A speaker unit emits a sound towards a box-like space formed by a vehicle. The speaker unit is accommodated in an enclosure. At least one of the enclosure and the speaker unit is provided with a tubular member and/or a vibration member configured to generate a resonance sound of a frequency different from a lowest resonance frequency of the speaker unit. At least a part of the enclosure also serves as a body of the vehicle.
移動体用音発生装置
2024-04-25
Patent
Elektronische Ressource
Japanisch
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |