JPH03104852U - - Google Patents
Info
- Publication number
- JPH03104852U JPH03104852U JP7899090U JP7899090U JPH03104852U JP H03104852 U JPH03104852 U JP H03104852U JP 7899090 U JP7899090 U JP 7899090U JP 7899090 U JP7899090 U JP 7899090U JP H03104852 U JPH03104852 U JP H03104852U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- ultrasonic
- transmitter
- fixed
- elastic bodies
- 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
- 230000001902 propagating effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案の請求項１に関する振動子の一
実施例を示す図、第２図は第１図の振動子を縦波
の送受信器として用いる場合の配置図、第３図は
請求項１の他の実施例を示す図、第４図は第３図
の振動子を横波の送受信器として用いる場合の配
置図、第５図は横波の、第６図は縦波の測定例を
示す図、第７図は請求項２に関する一実施例を示
す構成図、第８図はボタンを紙に垂直な方向に接
触させて屈曲波が発生した状態を示す図、第９図
〜第１１図は請求項２の他の実施例を示す図、第
１２図は従来例を示す斜視図、第１３図、第１４
図は従来の振動子を送受信器として用いた場合の
配置例を示す図である。
１…振動子、３ａ，２２……接触部材（ボタン
）、６……紙、２０ａ〜２０ｄ……弾性体、２１
……固定リング。
FIG. 1 is a diagram showing an embodiment of a vibrator related to claim 1 of the present invention, FIG. 2 is a layout diagram when the vibrator in FIG. 1 is used as a longitudinal wave transmitter/receiver, and FIG. 3 is a diagram showing the claim Fig. 4 is a layout diagram when the vibrator shown in Fig. 3 is used as a transverse wave transmitter/receiver, Fig. 5 is a transverse wave measurement example, and Fig. 6 is a longitudinal wave measurement example. 7 is a configuration diagram showing an embodiment related to claim 2, FIG. 8 is a diagram showing a state where a bending wave is generated when the button is brought into contact with paper in a direction perpendicular to the paper, and FIGS. 9 to 11 12 is a perspective view showing a conventional example, FIGS. 13 and 14.
The figure is a diagram showing an example of arrangement when a conventional vibrator is used as a transmitter/receiver. DESCRIPTION OF SYMBOLS 1... Vibrator, 3a, 22... Contact member (button), 6... Paper, 20a-20d... Elastic body, 21
...Fixed ring.
Claims (1)
距離を隔てて配置された送信器および受信器から
なり、紙中を伝搬する超音波の伝搬時間から紙の
特性を測定する超音波送受信装置において、前記
送信器および受信器は円筒状に形成された圧電体
の一端にその振動方向に対して直角または平行な
辺を有する接触部材を固定し、内面および外面に
電極を設けて円筒の肉厚方向に振動させる様にし
たことを特徴とする超音波送受信装置。 ２ 一定の張力で張り渡された紙に接して一定の
距離を隔てて配置された送信器および受信器から
なり、紙中を伝搬する超音波の伝搬時間から紙の
特性を測定する超音波送受信装置において、前記
送信器は円筒状に形成された圧電体と、この圧電
体の一端の外周または内周に円周を等分して複数
の弾性体の端部が固定されるとともに弾性体の中
央部が凸状に形成され、交差する前記弾性体の頂
部を一体に固定し、前記頂部に突起を固定したこ
とを特徴とする超音波送受信装置。[Claims for Utility Model Registration] 1. Consisting of a transmitter and a receiver placed a certain distance apart in contact with a piece of paper stretched under a certain tension, the ultrasonic wave propagating through the paper In an ultrasonic transmitter/receiver for measuring the characteristics of An ultrasonic transmitting/receiving device characterized in that an electrode is provided on the outer surface of the cylinder so as to vibrate in the thickness direction of the cylinder. 2 Ultrasonic transmission and reception consists of a transmitter and a receiver placed a certain distance apart in contact with paper stretched under a certain tension, and measures the characteristics of the paper from the propagation time of the ultrasonic waves propagating through the paper. In the device, the transmitter includes a piezoelectric body formed in a cylindrical shape, and ends of a plurality of elastic bodies are fixed to the outer circumference or inner circumference of one end of the piezoelectric body, the circumference of which is equally divided, and the ends of the elastic bodies are fixed. An ultrasonic transmitting/receiving device characterized in that a central portion is formed in a convex shape, the top portions of the intersecting elastic bodies are fixed together, and a protrusion is fixed to the top portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7899090U JPH03104852U (en) | 1989-12-04 | 1990-07-25 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14038589 | 1989-12-04 | ||
| JP7899090U JPH03104852U (en) | 1989-12-04 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104852U true JPH03104852U (en) | 1991-10-30 |
Family
ID=31890190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7899090U Pending JPH03104852U (en) | 1989-12-04 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104852U (en) |
-
1990
- 1990-07-25 JP JP7899090U patent/JPH03104852U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03104852U (en) | ||
| JPS61139097U (en) | ||
| JPS6213021U (en) | ||
| JPH01189578A (en) | Underwater ultrasonic vibrator | |
| JPH0167561U (en) | ||
| JPS58166195U (en) | ultrasonic probe | |
| JPH0467407U (en) | ||
| JPS6388311U (en) | ||
| JPS61182708U (en) | ||
| JPH0328411U (en) | ||
| JPH0430410U (en) | ||
| JPS6088699U (en) | Surface acoustic wave single probe | |
| JPH029888U (en) | ||
| JPS61143398U (en) | ||
| JPH01168865U (en) | ||
| JPS61159904U (en) | ||
| JPS6419179U (en) | ||
| JPS6115900U (en) | Ultrasonic transducer | |
| JPH0416382U (en) | ||
| JPH01190100A (en) | Aerial ultrasonic transducer | |
| JPS62194308U (en) | ||
| JPS6274811U (en) | ||
| JPS62172406U (en) | ||
| JPS6438493U (en) | ||
| JPH0181098U (en) |