JPS6344525U - - Google Patents
Info
- Publication number
- JPS6344525U JPS6344525U JP13732786U JP13732786U JPS6344525U JP S6344525 U JPS6344525 U JP S6344525U JP 13732786 U JP13732786 U JP 13732786U JP 13732786 U JP13732786 U JP 13732786U JP S6344525 U JPS6344525 U JP S6344525U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- ultrasonic delay
- medium
- propagation path
- delay element
- 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
- 239000011358 absorbing material Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案の１実施例の側面図、第２図は
第１図の実施例の部分図、第３図は従来例の側面
図、第４図は第３図の従来例の端面を示す図であ
る。
１……超音波遅延媒体、２……入力電気機械変
換素子、３……出力電気機械変換素子、４……吸
音材、５……反射面、６……孔。
Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is a partial view of the embodiment shown in Fig. 1, Fig. 3 is a side view of the conventional example, and Fig. 4 is an end view of the conventional example shown in Fig. 3. FIG. DESCRIPTION OF SYMBOLS 1... Ultrasonic delay medium, 2... Input electromechanical transducer, 3... Output electromechanical transducer, 4... Sound absorbing material, 5... Reflective surface, 6... Hole.
Claims (1)
端面に該超音波遅延媒体の板厚よりも幅が小さい
入出力電気機械変換素子を取り付け、該超音波遅
延媒体の内部に超音波を伝播せしめて信号を遅延
させる超音波遅延素子において、前記超音波遅延
媒体の端面の超音波伝播径路の反射面にあたる部
分のうち少なくとも１つの部分に吸音材を設けて
成ることを特徴とする超音波遅延素子。 (2) 超音波遅延媒体はガラスである実用新案登
録請求の範囲第１項記載の超音波遅延素子。 (3) 超音波遅延媒体の端面の超音波伝播径路の
反射面以外の部分にも吸音材を設けて成る実用新
案登録請求の範囲第１項又は第２項記載の超音波
遅延素子。 (4) 超音波遅延媒体は主表面の超音波伝播径路
以外の部分に、該超音波伝播径路以外の部分へ拡
散する超音波を減衰させる孔を設けた実用新案登
録請求の範囲第１項又は第２項記載の超音波遅延
素子。 (5) 超音波遅延媒体の端面の超音波伝播径路の
反射面にあたる部分に設けた吸音材は厚さが０．
２mm以上である実用新案登録請求の範囲第１項記
載の超音波遅延素子。[Claims for Utility Model Registration] (1) An input/output electromechanical transducer whose width is smaller than the thickness of the ultrasonic delay medium is attached to at least one end face of a plate-shaped ultrasonic delay medium, and the ultrasonic delay medium is In an ultrasonic delay element that propagates ultrasonic waves inside a medium to delay a signal, a sound absorbing material is provided on at least one portion of the end face of the ultrasonic delay medium that corresponds to a reflecting surface of an ultrasonic propagation path. An ultrasonic delay element characterized by: (2) The ultrasonic delay element according to claim 1, wherein the ultrasonic delay medium is glass. (3) The ultrasonic delay element according to claim 1 or 2, wherein a sound absorbing material is provided on the end face of the ultrasonic delay medium other than the reflection surface of the ultrasonic propagation path. (4) The ultrasonic delay medium is provided with holes in a portion of the main surface other than the ultrasonic propagation path to attenuate the ultrasonic waves diffused to the portion other than the ultrasonic propagation path. The ultrasonic delay element according to item 2. (5) The sound absorbing material provided on the end face of the ultrasonic delay medium that corresponds to the reflection surface of the ultrasonic propagation path has a thickness of 0.
The ultrasonic delay element according to claim 1 of the utility model registration claim, which has a diameter of 2 mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13732786U JPS6344525U (en) | 1986-09-09 | 1986-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13732786U JPS6344525U (en) | 1986-09-09 | 1986-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6344525U true JPS6344525U (en) | 1988-03-25 |
Family
ID=31041276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13732786U Pending JPS6344525U (en) | 1986-09-09 | 1986-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6344525U (en) |
-
1986
- 1986-09-09 JP JP13732786U patent/JPS6344525U/ja active Pending
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