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JPS642188U - - Google Patents

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Publication number
JPS642188U
JPS642188U JP9701587U JP9701587U JPS642188U JP S642188 U JPS642188 U JP S642188U JP 9701587 U JP9701587 U JP 9701587U JP 9701587 U JP9701587 U JP 9701587U JP S642188 U JPS642188 U JP S642188U
Authority
JP
Japan
Prior art keywords
mixer
transmitting
transducer
frequency
local oscillator
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
JP9701587U
Other languages
English (en)
Other versions
JPH0733186Y2 (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 JP1987097015U priority Critical patent/JPH0733186Y2/ja
Publication of JPS642188U publication Critical patent/JPS642188U/ja
Application granted granted Critical
Publication of JPH0733186Y2 publication Critical patent/JPH0733186Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
る。第２図は送受波器の周波数―インピータンス
特性曲線である。第３図は信号波形図である。

Claims (1)

  1. 【実用新案登録請求の範囲】 各々異なる送信周波数を有する複数の送受波器
    を備えてなる送受信回路と、 該送受信回路の受信側に接続される１つの混合
    器と、 送受波器の選択に連動して該送受波器の送信周
    波数より一定周波数だけ高い（低い）局発周波信
    号を上記混合器に送入する局発と、 上記混合器出力から差又は和周波の一方の信号
    を抽出するフイルターとから成る超音波送受信装
    置。
JP1987097015U 1987-06-23 1987-06-23 超音波送受信装置 Expired - Lifetime JPH0733186Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987097015U JPH0733186Y2 (ja) 1987-06-23 1987-06-23 超音波送受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987097015U JPH0733186Y2 (ja) 1987-06-23 1987-06-23 超音波送受信装置

Publications (2)

Publication Number Publication Date
JPS642188U true JPS642188U (ja) 1989-01-09
JPH0733186Y2 JPH0733186Y2 (ja) 1995-07-31

Family

ID=30963488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987097015U Expired - Lifetime JPH0733186Y2 (ja) 1987-06-23 1987-06-23 超音波送受信装置

Country Status (1)

Country Link
JP (1) JPH0733186Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002210408A (ja) * 2001-01-17 2002-07-30 Furuno Electric Co Ltd 超音波振動子の駆動装置および水中探知装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561585A (en) * 1979-06-18 1981-01-09 Matsushita Electric Ind Co Ltd Piezoelectric porcelain composition
JPS57206869A (en) * 1981-06-15 1982-12-18 Koden Electronics Co Ltd Transmitting device for ultrasonic pulse
JPS58202880A (ja) * 1982-05-20 1983-11-26 Mitsubishi Electric Corp パルスレ−ダ装置
JPS5975172A (ja) * 1982-10-23 1984-04-27 Japan Radio Co Ltd ソナ−の送受波器駆動回路
JPS61165677A (ja) * 1985-01-17 1986-07-26 Mitsubishi Electric Corp パルスレ−ダ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561585A (en) * 1979-06-18 1981-01-09 Matsushita Electric Ind Co Ltd Piezoelectric porcelain composition
JPS57206869A (en) * 1981-06-15 1982-12-18 Koden Electronics Co Ltd Transmitting device for ultrasonic pulse
JPS58202880A (ja) * 1982-05-20 1983-11-26 Mitsubishi Electric Corp パルスレ−ダ装置
JPS5975172A (ja) * 1982-10-23 1984-04-27 Japan Radio Co Ltd ソナ−の送受波器駆動回路
JPS61165677A (ja) * 1985-01-17 1986-07-26 Mitsubishi Electric Corp パルスレ−ダ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002210408A (ja) * 2001-01-17 2002-07-30 Furuno Electric Co Ltd 超音波振動子の駆動装置および水中探知装置

Also Published As

Publication number Publication date
JPH0733186Y2 (ja) 1995-07-31

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