발명자

김혜진, 양우석, 김종대

출원번호

13289225 (2011.11.04)

공개번호

20120148073 (2012.06.14)

등록번호

8873776 (2014.10.28)

출원국

미국

협약과제

10MB3300, 스마트&그린 빌딩용 자가충전 지능형 센서노드 플랫폼 개발, 김종대

초록

Disclosed is a piezoelectric speaker including: a piezoelectric layer that converts electrical signals into oscillation and outputs sound; an electrode that is formed on a top or a bottom of the piezoelectric layer to apply the electrical signals to the piezoelectric layer; an acoustic diaphragm that is made of a hetero material including a first acoustic diaphragm and a second acoustic diaphragm and is attached to the bottom of the piezoelectric layer on which the electrode is formed; and a frame attached in a form enclosing a side of the acoustic diaphragm.

KSP 제안 키워드

Electrical signal, Piezoelectric speaker, piezoelectric layer

패밀리

 

패밀리 특허 목록

구분	특허	출원국	KIPRIS
등록	압전 스피커	대한민국	KIPRIS