PROBLEM TO BE SOLVED: To realize an alarm device capable of informing not-visible pedestrians hidden behind shielding objects about the approach of an own vehicle, without emitting sound recognized as noise to the periphery.SOLUTION: An alarm device (10) which is mounted on a vehicle and emits alarm sound to the periphery of the vehicle includes: a sound output device (102); and a controller (104) for controlling the sound output device and make the sound output device generate alarm sound. The controller operates so as to vary the strength of high-frequency alarm sound which is composed from sound with a higher frequency than a prescribed frequency contained in the alarm sound, in accordance with current vehicle speed of the vehicle.SELECTED DRAWING: Figure 1
【課題】騒音となる音響を周囲に発散させることなく、遮蔽物に隠れて見えない歩行者に対しても自車両の接近を知らせることのできる警報装置を実現する。【解決手段】車両に搭載されて当該車両の周囲に警報音を発出する警報装置(10)であって、音出力装置(102)と、前記音出力装置を制御して当該音出力装置に警報音を発生させる制御装置(104)と、を備え、前記制御装置は、前記車両の現在の車速に応じて、前記警報音に含まれる所定周波数よりも高い周波数の音で構成される高域警報音の強度を変化させるように動作する。【選択図】図1
ALARM DEVICE EMITTING ALARM SOUND TO VEHICLE PERIPHERY
車両の周囲に警報音を発出する警報装置
2017-03-02
Patent
Electronic Resource
Japanese
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 |
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