PARTIAL ELECTRODE TYPE PIEZOELECTRIC PORCELAIN VIBRATOR

Title:

PARTIAL ELECTRODE TYPE PIEZOELECTRIC PORCELAIN VIBRATOR

Document Type and Number:

Japanese Patent JPS52132690

Kind Code:

A

Abstract:

PURPOSE: At the center of a square plate, a small electrode is provided; and at its periphery, a ring electrode is installed; and by linking the two electrodes electrically, the sub-resonance level can be suppressed.

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Inventors:

TAKAHASHI SADAYUKI

Application Number:

JP4907576A

Publication Date:

November 07, 1977

Filing Date:

April 28, 1976

Export Citation:

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Assignee:

NIPPON ELECTRIC CO

International Classes:

H03H9/17; H03H9/13; (IPC1-7): H01L41/02; H03H9/14

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