发明名称 Ultrasonic transmitter-receiver
摘要 An ultrasonic transmitter-receiver is characterized in that a diaphragm is disposed at the center of a laminated piezo-electric 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.
申请公布号 US4458170(A) 申请公布日期 1984.07.03
申请号 US19810328698 申请日期 1981.12.08
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 TAKAYAMA, RYOICHI;ISE, YUKIHIKO
分类号 G10K9/122;(IPC1-7):H04R17/00 主分类号 G10K9/122
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