JPS63193380U - - Google Patents
Info
- Publication number
- JPS63193380U JPS63193380U JP8442487U JP8442487U JPS63193380U JP S63193380 U JPS63193380 U JP S63193380U JP 8442487 U JP8442487 U JP 8442487U JP 8442487 U JP8442487 U JP 8442487U JP S63193380 U JPS63193380 U JP S63193380U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic transducer
- parallel
- circuit
- series
- elements
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は、本考案による一実施例を示す回路図
である。第２図は、第１図の実施例の指向特性例
を示す曲線図である。第３図は、従来のシエーデ
イングなしの超音波送受波器の指向性合成回路を
示す回路図である。第４図は、第３図の回路の指
向特性例を示す曲線図である。第５図は、従来の
シエーデイングを行つた超音波送受波器の指向性
合成回路を示す回路図である。第６図は、第５図
の回路の指向特性例を示す曲線図である。
１，２……端子、１１，２１，３１……主極、
１２，２２，３２……サイドローブ、Ｃ１，Ｃ２
，Ｃ３，Ｃ４……コンデンサ、Ｑ１，Ｑ２，Ｑ３
，Ｑ４，Ｑ５，Ｑ６……送受波素子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. FIG. 2 is a curve diagram showing an example of the directional characteristics of the embodiment shown in FIG. FIG. 3 is a circuit diagram showing a directivity synthesis circuit of a conventional ultrasonic transducer without shading. FIG. 4 is a curve diagram showing an example of the directivity characteristic of the circuit shown in FIG. FIG. 5 is a circuit diagram showing a directivity synthesis circuit of an ultrasonic transducer that performs conventional shading. FIG. 6 is a curve diagram showing an example of the directivity characteristic of the circuit shown in FIG. 1, 2... terminal, 11, 21, 31... main pole,
12, 22, 32... side lobe, C 1 , C 2
, C 3 , C 4 ... Capacitor, Q 1 , Q 2 , Q 3
, Q 4 , Q 5 , Q 6 ... wave transmitting and receiving elements.
Claims (1)
素子の少なくとも２個を直列に接続し、前記素子
直列回路に少なくとも１個の超音波送受波素子を
並列に接続し、さらに少なくとも２個の超音波送
受波素子からなる並列回路の素子組を少なくとも
一組直列に接続したことを特徴とする超音波送受
波器の指向性合成回路。 In an underwater ultrasonic transducer, at least two ultrasonic transducer elements are connected in series, at least one ultrasonic transducer element is connected in parallel to the element series circuit, and at least two ultrasonic transducer elements are connected in parallel. 1. A directional synthesis circuit for an ultrasonic transducer, characterized in that at least one set of parallel circuit elements including acoustic wave transducers and receivers are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8442487U JPS63193380U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8442487U JPS63193380U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63193380U true JPS63193380U (en) | 1988-12-13 |
Family
ID=30938912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8442487U Pending JPS63193380U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63193380U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333675A (en) * | 1989-06-30 | 1991-02-13 | Tokimec Inc | Ultrasonic converter, ultrasonic detector, movable body equipped with the two and ultrasonic detection |
| EP2772316A3 (en) * | 2013-02-28 | 2015-09-30 | Seiko Epson Corporation | Ultrasonic transducer device, head unit, probe, and ultrasonic imaging apparatus |
-
1987
- 1987-05-29 JP JP8442487U patent/JPS63193380U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333675A (en) * | 1989-06-30 | 1991-02-13 | Tokimec Inc | Ultrasonic converter, ultrasonic detector, movable body equipped with the two and ultrasonic detection |
| EP2772316A3 (en) * | 2013-02-28 | 2015-09-30 | Seiko Epson Corporation | Ultrasonic transducer device, head unit, probe, and ultrasonic imaging apparatus |
| US9252352B2 (en) | 2013-02-28 | 2016-02-02 | Seiko Epson Corporation | Ultrasonic transducer device, head unit, probe, and ultrasonic imaging apparatus |
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