The present invention relates to a device for outputting a warning sound using a super-directional speaker and a method thereof. More specifically, the present invention relates to a device for outputting a warning sound using a super-directional speaker and a method thereof, which combine and output a warning sound signal of an audible frequency band and an ultrasonic signal of an ultrasonic frequency band, thereby stably outputting a warning sound signal to a farther region. The device for outputting a warning sound using a super-directional speaker comprises a body part, a speaker part, a distance detecting sensor, a position sensor, and a control part.
본 발명은 초지향성 스피커를 이용한 경고음 출력 장치 및 방법에 관한 것으로, 보다 구체적으로, 가청 주파수 대역의 경고음 신호와 초음파 주파수 대역의 초음파 신호와 합성하여 출력함으로써, 경고음 신호를 보다 먼 지역까지 안정적으로 출력할 수 있는 초지향성 스피커를 이용한 경고음 출력 장치 및 방법에 관한 것이다
APPARATUS AND METHOD FOR OUTPUTTING WARNING SOUND USING SUPER-DIRECTIONAL SPEAKER
초지향성 스피커를 이용한 경고음 출력 장치 및 방법
2018-09-04
Patent
Elektronische Ressource
Koreanisch
IPC: | G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / 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 |
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