公开(公告)号：EP0490930A4

公开(公告)日：1993-02-24

申请号：EP90913033

申请日：1990-08-03

申请人： MOTOROLA INC.

发明人： MOONEY, CHARLES, WRIGHT ,  HOLDEN, IRVING, HAROLD ,  SELINKO, GEORGE, JOSEPH

IPC分类号： B06B1/04 ,  G08B1/08 ,  G08B6/00 ,  H04Q7/14 ,  H04R1/46 ,  H04R11/06 ,  H04R25/00 ,  G08B5/00 ,  G08B5/22

CPC分类号： H04R11/06 ,  B06B1/045 ,  G08B6/00 ,  H04R1/46 ,  H04R25/604

摘要： An apparatus (58) for effecting a vibrating motion, comprising a housing (62 and 66), an electromagnetic device (76 and 78) attached to the housing for effecting an alternating electromagnetic field, a magnetic device (90 and 92) coupled to the electromagnetic field for alternatively moving in a first and a second direction (9-9) in response to the electromagnetic field, and a structure (2) attached to the magnetic device and the housing (62 and 66) for turning modes in other than the first and second direction (9-9), the structure (2) comprising a diaphragm (2) having at least one spring (50, 52, 54, or 56) integrally positioned thereon.