JPS58155199U - ultrasonic receiver - Google Patents

ultrasonic receiver

Info

Publication number
JPS58155199U
JPS58155199U JP4997782U JP4997782U JPS58155199U JP S58155199 U JPS58155199 U JP S58155199U JP 4997782 U JP4997782 U JP 4997782U JP 4997782 U JP4997782 U JP 4997782U JP S58155199 U JPS58155199 U JP S58155199U
Authority
JP
Japan
Prior art keywords
diaphragm
opening
smaller
ultrasonic
ultrasonic receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4997782U
Other languages
Japanese (ja)
Inventor
鴫田　学徳
守矢　滋
Original Assignee
ティーディーケイ株式会社
株式会社エロイカコ−ポレ−シヨン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ティーディーケイ株式会社, 株式会社エロイカコ−ポレ−シヨン filed Critical ティーディーケイ株式会社
Priority to JP4997782U priority Critical patent/JPS58155199U/en
Publication of JPS58155199U publication Critical patent/JPS58155199U/en
Pending legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る超音波受波器の実施例を示す分解
斜視図、第２図は同断面図である。 １・・・振動板、２・・・圧電素子、３・・・ケース、
４・・・　−弾性体、１０・・・中央開穴型制御マスク
、１１・・・中央穴。FIG. 1 is an exploded perspective view showing an embodiment of an ultrasonic receiver according to the present invention, and FIG. 2 is a sectional view thereof. 1... Vibration plate, 2... Piezoelectric element, 3... Case,
4...-Elastic body, 10... Center hole type control mask, 11... Center hole.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）振動板の内側面に圧電素子を設け、前記振動板の
外周縁を弾性体を介してケース開口縁に密閉支持すると
ともに、前記振動板の中央部に対応した開口を有する中
央開穴型側御マスクを前記ケースの開口側に近接させて
被せたことを特徴とする超音波受波器。(1) A piezoelectric element is provided on the inner surface of the diaphragm, the outer periphery of the diaphragm is hermetically supported on the edge of the case opening via an elastic body, and a central hole has an opening corresponding to the center of the diaphragm. An ultrasonic receiver characterized in that a mold side control mask is placed close to the opening side of the case. （２）前記開口が前記振動板の節円よりも小さく、前記
振動板とマスクとの間隔が入射超音波の波長よりも小さ
いことを特徴とする実用新案登録請求の範囲第１項記載
の超音波受波器。(2) The ultrasonic device according to claim 1, wherein the opening is smaller than the nodal circle of the diaphragm, and the distance between the diaphragm and the mask is smaller than the wavelength of the incident ultrasonic wave. Sound wave receiver.
JP4997782U 1982-04-08 1982-04-08 ultrasonic receiver Pending JPS58155199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4997782U JPS58155199U (en) 1982-04-08 1982-04-08 ultrasonic receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4997782U JPS58155199U (en) 1982-04-08 1982-04-08 ultrasonic receiver

Publications (1)

Publication Number Publication Date
JPS58155199U true JPS58155199U (en) 1983-10-17

Family

ID=30060791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4997782U Pending JPS58155199U (en) 1982-04-08 1982-04-08 ultrasonic receiver

Country Status (1)

Country Link
JP (1) JPS58155199U (en)

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