H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/67.4
H04R 17/00 (2006.01) G10K 9/122 (2006.01) H04R 17/10 (2006.01)
Patent
CA 1180100
ABSTRACT OF THE DISCLOSURE An ultrasonic transmitter-receiver is characterized in that a diaphragm is disposed at the center of a laminated piezoelectric element and the periphery of the diaphragm is flexibly fixed in a housing through a buffer member of elastic rubber or the like in order to suppress mechanical oscillation.
391822
Ise Yukihiko
Takayama Ryoichi
Fetherstonhaugh & Co.
Matsushita Electric Industrial Co. Ltd.
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