JPS62198798U - - Google Patents
Info
- Publication number
- JPS62198798U JPS62198798U JP8720486U JP8720486U JPS62198798U JP S62198798 U JPS62198798 U JP S62198798U JP 8720486 U JP8720486 U JP 8720486U JP 8720486 U JP8720486 U JP 8720486U JP S62198798 U JPS62198798 U JP S62198798U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- ultrasonic transducer
- cylindrical piezoelectric
- cylindrical
- installing
- 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
Links
- 230000000241 respiratory effect Effects 0.000 claims 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
第１図はこの考案の実施例に係る超音波送受波
器の要部を示す斜視図、第２図はこの実施例にお
ける垂直指向性を示すグラフ、第３図は従来の超
音波送受波器を示す断面図、第４図は従来の垂直
指向性を示すグラフである。
６……円筒型圧電子、ａ……内径、ｂ……外径
。
Fig. 1 is a perspective view showing the main parts of an ultrasonic transducer according to an embodiment of this invention, Fig. 2 is a graph showing vertical directivity in this embodiment, and Fig. 3 is a conventional ultrasonic transducer. FIG. 4 is a graph showing conventional vertical directivity. 6...Cylindrical piezoelectric, a...inner diameter, b...outer diameter.
Claims (1)
超音波の送受波を行う超音波送受波器において、 前記円筒型圧電子の円筒部の内径と外径を呼吸
振動の共振周波数が使用周波数の上限と同一もし
くはわずかに大きい値となるように設定したこと
を特徴とする超音波送受波器。[Scope of Claim for Utility Model Registration] In an ultrasonic transducer that transmits and receives ultrasonic waves by installing a cylindrical piezoelectric element in a boot filled with oil, the inner diameter and outer diameter of the cylindrical part of the cylindrical piezoelectric element are An ultrasonic transducer characterized in that the resonance frequency of respiratory vibration is set to be the same as or slightly larger than the upper limit of the frequency used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720486U JPS62198798U (en) | 1986-06-10 | 1986-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720486U JPS62198798U (en) | 1986-06-10 | 1986-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198798U true JPS62198798U (en) | 1987-12-17 |
Family
ID=30944214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8720486U Pending JPS62198798U (en) | 1986-06-10 | 1986-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198798U (en) |
-
1986
- 1986-06-10 JP JP8720486U patent/JPS62198798U/ja active Pending
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