JPS6079840U - Switch circuit for excitation of ultrasonic transducer - Google Patents
Switch circuit for excitation of ultrasonic transducerInfo
- Publication number
- JPS6079840U JPS6079840U JP17337983U JP17337983U JPS6079840U JP S6079840 U JPS6079840 U JP S6079840U JP 17337983 U JP17337983 U JP 17337983U JP 17337983 U JP17337983 U JP 17337983U JP S6079840 U JPS6079840 U JP S6079840U
- Authority
- JP
- Japan
- Prior art keywords
- excitation
- switch circuit
- ultrasonic transducer
- ultrasonic vibrator
- thyristor
- 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
Landscapes
- Ultra Sonic Daignosis Equipment (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
第１図乃至第３図は、従来のリニア電子走査形超音波診
断装置の問題点を説明するための図、第４図及び第５図
は、それぞれ従来の改良型超音波探触子の振動子選択励
振用スイッチ回路を示す図、第６図は、逆回復時間の長
いダイオードの特性を示す図、第７図は、本考案の原理
を説明するための図であり、サイリスクを超音波探触子
の振動子選択励振用スイッチ回路に適用した場合の性能
を標価する回路を示す図、第８図及び第９図は、第７図
の各部の電圧波形を示す図、第１０図は：本考案の実施
例Ｉの回路構成を示す図、第１１図は、本考案の実施例
Ｈの回路構成を示す図である。
１１・・・振動子とその共振回路からなる探触子、１１
Ａ・・・振動子、ＩＩＢ・・・共振回路、１２．１５′
・・・サイリスタ、１３・・・ダイオード、１４・・・
ＥＴ０
第３図
７］Ｌ） ピＵFigures 1 to 3 are diagrams for explaining the problems of conventional linear electronic scanning ultrasound diagnostic devices, and Figures 4 and 5 are diagrams showing vibrations of conventional improved ultrasound probes, respectively. FIG. 6 is a diagram showing the characteristics of a diode with a long reverse recovery time, and FIG. 7 is a diagram for explaining the principle of the present invention. Figures 8 and 9 are diagrams showing voltage waveforms at various parts of Figure 7. 11 is a diagram showing the circuit configuration of Example I of the present invention. FIG. 11 is a diagram showing the circuit configuration of Example H of the present invention. 11... Probe consisting of a vibrator and its resonant circuit, 11
A... Vibrator, IIB... Resonant circuit, 12.15'
... Thyristor, 13... Diode, 14...
ET0 Figure 3 7] L) PiU
Claims (1)
子に超音波振動子励振用パルス印加回路を接続し、前記
サイリスタの他の端子に超音波振動子を接続したことを
特徴とする超音波振動子励振用スイッチ回路。For excitation of an ultrasonic vibrator, characterized in that a pulse application circuit for excitation of an ultrasonic vibrator is connected to the cathode or anode terminal of a thyristor having a long reverse recovery time, and an ultrasonic vibrator is connected to the other terminal of the thyristor. switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17337983U JPS6079840U (en) | 1983-11-09 | 1983-11-09 | Switch circuit for excitation of ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17337983U JPS6079840U (en) | 1983-11-09 | 1983-11-09 | Switch circuit for excitation of ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6079840U true JPS6079840U (en) | 1985-06-03 |
Family
ID=30377714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17337983U Pending JPS6079840U (en) | 1983-11-09 | 1983-11-09 | Switch circuit for excitation of ultrasonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079840U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690625A (en) * | 1979-12-24 | 1981-07-22 | Hitachi Medical Corp | Switch circuit for exciting ultrasonic wave oscillator |
-
1983
- 1983-11-09 JP JP17337983U patent/JPS6079840U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690625A (en) * | 1979-12-24 | 1981-07-22 | Hitachi Medical Corp | Switch circuit for exciting ultrasonic wave oscillator |
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