Disclosed is a vibrator which can increase a vibration amount, and can prevent damage and modification due to an external impact. The vibrator comprises: a housing having an inner space; a vibration member having both end units installed to be fixed in the housing; a piezoelectric element installed in the vibration member; and a weight body unit installed in the vibration member, and forming an installation space where a part excluding the both end units of the vibration member and the piezoelectric element are arranged while exposing the both end units of the vibration member.
내부공간을 가지는 하우징과, 상기 하우징에 양단부가 고정 설치되는 진동부재와, 상기 진동부재에 설치되는 압전소자 및 상기 진동부재에 설치되며, 상기 진동부재의 양단부가 노출되되 상기 진동부재의 양단부를 제외한 부분과 상기 압전소자가 내부에 배치되는 설치공간을 형성하는 중량체부를 포함하는 진동발생장치가 개시된다.
VIBRATOR
진동발생장치
2016-05-19
Patent
Electronic Resource
Korean
Vibrator element, vibrator, oscillator, electronic apparatus, and vehicle
European Patent Office | 2021
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