본 발명의 실시예에 따른 차량용 광학 장치는 차량용 광학 장치의 광 경로 상에서 외부로 노출되게 구비되는 보호 부재를 진동시켜 보호 부재에 부착된 이물질을 제거하는 것과 함께 사용자에게 음향 정보를 제공하기 위한 음파를 발생시키기 위한 것으로, 개구를 갖는 하우징; 하우징의 내부에 설치되는 광학 모듈; 하우징의 개구에 외부로 노출되게 설치되는 보호 부재; 보호 부재에 부착되는 압전 소자; 및 압전 소자를 구동시켜 보호 부재를 진동시켜 음파를 발생시키는 것과 동시에 보호 부재에 부착된 이물질을 제거하는 제어 유닛을 포함할 수 있다.
An optical device for a vehicle according to an embodiment of the present invention is to generate a sound wave for providing acoustic information to a user while removing foreign matters attached to a protection member by vibrating the protection member provided to be exposed to the outside on an optical path of the optical device for a vehicle, and comprises: a housing having an opening; an optical module installed inside the housing; the protection member installed outside the opening of the housing; a piezoelectric element attached to the protection member; and a control unit for driving the piezoelectric element to vibrate the protection member to generate sound waves and to remove foreign matters adhered to the protection member.
OPTICAL DEVICE FOR VEHICLE
차량용 광학 장치
2023-11-27
Patent
Electronic Resource
Korean
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01S RADIO DIRECTION-FINDING , Funkpeilung |
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