公开(公告)号：EP1222735B1

公开(公告)日：2004-02-25

申请号：EP00966253.7

申请日：2000-09-28

申请人： Tournois, Pierre

发明人： Tournois, Pierre

IPC分类号： H03H9/02 ,  H03H9/64

CPC分类号： H03H9/0222 ,  H03H9/64

摘要： The inventive acoustic filter comprises two solid bodies (1, 2), at least one of which is piezoelectric. Said bodies are interconnected in such a way as to form a plane interface (3) between them, acoustic waves being generated by the piezoelectric body by means of an electrical field and being guided by the plane interface between the two solid bodies. The solid bodies are selected wish the objective of ensuring that the acoustic energy of said waves decreases exponentially in the two bodies in a perpendicular direction (Oy) to the interface, starting from the interface.

公开(公告)号：EP1222735A1

公开(公告)日：2002-07-17

申请号：EP00966253.7

申请日：2000-09-28

申请人： Tournois, Pierre

发明人： Tournois, Pierre

IPC分类号： H03H9/02 ,  H03H9/64

CPC分类号： H03H9/0222 ,  H03H9/64

摘要： The inventive acoustic filter comprises two solid bodies (1, 2), at least one of which is piezoelectric. Said bodies are interconnected in such a way as to form a plane interface (3) between them, acoustic waves being generated by the piezoelectric body by means of an electrical field and being guided by the plane interface between the two solid bodies. The solid bodies are selected wish the objective of ensuring that the acoustic energy of said waves decreases exponentially in the two bodies in a perpendicular direction (Oy) to the interface, starting from the interface.

摘要翻译： 本发明的声学滤波器包括两个固体（1,2），其中至少一个是压电的。 所述主体以这样的方式相互连接，以便在它们之间形成平面界面（3），声波由压电体通过电场产生并由两个固体之间的平面界面引导。 实体被选择希望确保所述波的声能在接口上从接口的垂直方向（Oy）在两个物体中指数地减小。