JPS6079840U - Switch circuit for excitation of ultrasonic transducer - Google Patents

Switch circuit for excitation of ultrasonic transducer

Info

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
Application number
JP17337983U
Other languages
Japanese (ja)
Inventor
敏郎 近藤
正夫 黒田
Original Assignee
株式会社日立メデイコ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立メデイコ filed Critical 株式会社日立メデイコ
Priority to JP17337983U priority Critical patent/JPS6079840U/en
Publication of JPS6079840U publication Critical patent/JPS6079840U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

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U
Figures 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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 逆回復時間の長いサイリスタのカソード又はアノード端
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.
JP17337983U 1983-11-09 1983-11-09 Switch circuit for excitation of ultrasonic transducer Pending JPS6079840U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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