JPS63142778U - - Google Patents

Info

Publication number
JPS63142778U
JPS63142778U JP3548587U JP3548587U JPS63142778U JP S63142778 U JPS63142778 U JP S63142778U JP 3548587 U JP3548587 U JP 3548587U JP 3548587 U JP3548587 U JP 3548587U JP S63142778 U JPS63142778 U JP S63142778U
Authority
JP
Japan
Prior art keywords
circuit
zener diode
trap
zener
vibrator
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.)
Granted
Application number
JP3548587U
Other languages
English (en)
Other versions
JPH0413674Y2 (ja
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 filed Critical
Priority to JP1987035485U priority Critical patent/JPH0413674Y2/ja
Publication of JPS63142778U publication Critical patent/JPS63142778U/ja
Application granted granted Critical
Publication of JPH0413674Y2 publication Critical patent/JPH0413674Y2/ja
Expired legal-status Critical Current

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  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例を示す回路図であ
り、第２図は従来例を示すものである。第３図は
送信信号と尾引信号の状態を説明するための波形
図である。

Claims (1)

  1. 【実用新案登録請求の範囲】 整数倍の関係にある複数の励振周波数を有する
    １の振動子から超音波パルスが送波され、物標か
    らの帰来受波信号が各共振回路を経てフイルター
    に導かれるようになされた多周波水中探知装置の
    送受信部のトラツプ回路において、 振動子と受信側との開放、短絡を切換えるツエ
    ナーダイオード回路が互いに逆方向に直列接続さ
    れたツエナーダイオードから成ると共に該ツエナ
    ーダイオード回路が上記各共振回路に並列接続さ
    れていることを特徴とする送受信部のトラツプ回
    路。
JP1987035485U 1987-03-12 1987-03-12 Expired JPH0413674Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987035485U JPH0413674Y2 (ja) 1987-03-12 1987-03-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987035485U JPH0413674Y2 (ja) 1987-03-12 1987-03-12

Publications (2)

Publication Number Publication Date
JPS63142778U true JPS63142778U (ja) 1988-09-20
JPH0413674Y2 JPH0413674Y2 (ja) 1992-03-30

Family

ID=30845025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987035485U Expired JPH0413674Y2 (ja) 1987-03-12 1987-03-12

Country Status (1)

Country Link
JP (1) JPH0413674Y2 (ja)

Also Published As

Publication number Publication date
JPH0413674Y2 (ja) 1992-03-30

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