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Title:
VIBRATOR AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JPH10209795
Kind Code:
A
Abstract:

To protect a vibrator used in a communication equipment or the like against external noises and to prevent internal radiation from effecting the vibrator onto other components.

This vibrator is provided with a 1st cover 1, a 2nd cover 2 and a diaphragm 3 inserted between them, and at least one or more outer circumferential end faces are processed to be a recessed part. The outer surface of the 2nd cover and the recessed part of the outer circumferential end faces are covered by a conductor 5 and a 2nd external electrode 7 formed to the 1st cover 1, and the conductor 5 are connected electrically. Thus, the conductor 5 acts as a shield for the vibrator to protect the vibrator from external noises, and the effects from internal radiation from the vibrator on other components is prevented.


Inventors:
KAWAMOTO EIJI
Application Number:
JP600297A
Publication Date:
August 07, 1998
Filing Date:
January 17, 1997
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H03H3/02; H03H9/02; H03H9/10; H03H9/19; (IPC1-7): H03H9/19; H03H3/02; H03H9/02; H03H9/10
Attorney, Agent or Firm:
Tomoyuki Takimoto (1 person outside)



 
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