车辆接近通知装置
车辆接近通知装置
提供一种车辆接近通知装置，能够确保所需要的声压，并且能够简便地输出降低了带给搭乘者的不舒适感的警报音。车辆接近通知装置具备：声源；第一放大器和第二放大器；第一扬声器系统，其具有第一扬声器和第二扬声器，该第二扬声器输出与从第一扬声器输出的声音反相的声音；以及第二扬声器系统，其具有第三扬声器和第四扬声器，该第三扬声器输出与从第一扬声器输出的声音同相的声音，该第四扬声器输出与从第三扬声器输出的声音反相的声音，其中，第一扬声器系统和第二扬声器系统被配置为第一扬声器和第三扬声器位置于比第二扬声器和第四扬声器靠车辆的纵向中心面侧的位置。
Provided is a vehicle approach notification device that can easily output a warning sound in which a discomfort feeling brought to an occupant is reduced while ensuring a necessary sound pressure. A vehicle approach notification device includes: a sound source; first and second amplifiers; a first speaker system including a first speaker and a second speaker that outputs a sound having an opposite phase to a sound output from the first speaker; and a second speaker system including a third speaker that outputs a sound having a same phase as the sound output from the first speaker and a fourth speaker that outputs a sound having an opposite phase to the sound output from the third speaker, wherein the first speaker system and the second speaker system are disposed so that the first speaker and the third speaker are located closer to a longitudinal center plane of the vehicle than the second speaker and the fourth speaker.
Dokumentinformationen
车辆接近通知装置
2021-05-25
Patent
Elektronische Ressource
Chinesisch
| 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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |