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Title:
METHOD OF MANUFACTURING PIEZOELECTRIC ELECTROACOUSTIC TRANSDUCER, PIEZOELECTRIC ELECTROACOUSTIC TRANSDUCER AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2013162236
Kind Code:
A
Abstract:

To output ultrasonic waves of sufficient sound pressure from a piezoelectric electroacoustic transducer.

A method of manufacturing a piezoelectric electroacoustic transducer includes a step of creating a plurality of ultrasonic vibrators. The method of manufacturing the piezoelectric electroacoustic transducer further includes a step of adjusting basic resonant frequencies of the plurality of ultrasonic vibrators to the same frequency as each other by adding a weight of which the weight is suitable for each of the plurality of ultrasonic vibrators, to each of the plurality of ultrasonic vibrators.


Inventors:
SATO SHIGEO
KURODA ATSUSHI
ONISHI YASUHARU
KOMODA MOTOYOSHI
Application Number:
JP2012021188A
Publication Date:
August 19, 2013
Filing Date:
February 02, 2012
Export Citation:
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Assignee:
NEC CASIO MOBILE COMM LTD
International Classes:
H04R17/10; H04R3/00; H04R17/00; H04R31/00
Attorney, Agent or Firm:
Shinji Hayami