상세정보
등록 압전형 스피커 및 그 제조 방법
- 출원번호
- 12878293 (2010.09.09)
- 공개번호
- 20110135123 (2011.06.09)
- 등록번호
- 8335329 (2012.12.18)
- 출원국
- 미국
- 협약과제
- 09MB1500, 유비쿼터스 단말용 부품 모듈, 김종대
- 초록
- In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and reducing sound distortion. Further, the piezoelectric thin film is attached to the acoustic diaphragm in an inclined structure in which the piezoelectric thin film is horizontally turned from the acoustic diaphragm, thereby preventing a standing wave from being created by structural symmetry and minimizing sound distortion.
- KSP 제안 키워드
- Piezoelectric speaker, Piezoelectric thin film, Sound pressure, Standing Wave, frequency band, low-frequency, thin film(TF)