2.
    发明专利
    未知

    公开(公告)号:FI912391A0

    公开(公告)日:1991-05-16

    申请号:FI912391

    申请日:1991-05-16

    Applicant: MOTOROLA INC

    Abstract: A vibrator (2) comprising: a massive, magnetic member (16) arranged for movement about a reference position; and electromagnetic actuator means (12) for causing said member to move; and magnetic suspension means (8, 10) arranged on either side of said member for suspending said member therebetween.

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