JPS63201422U - - Google Patents

Info

Publication number
JPS63201422U
JPS63201422U JP9377887U JP9377887U JPS63201422U JP S63201422 U JPS63201422 U JP S63201422U JP 9377887 U JP9377887 U JP 9377887U JP 9377887 U JP9377887 U JP 9377887U JP S63201422 U JPS63201422 U JP S63201422U
Authority
JP
Japan
Prior art keywords
microphone
handling depth
emitted
ultrasonic
emitted waves
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
JP9377887U
Other languages
English (en)
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 JP9377887U priority Critical patent/JPS63201422U/ja
Publication of JPS63201422U publication Critical patent/JPS63201422U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は扱深さ検出部の拡大説明図、第2図は
コンバインの側面図、第3図は扱深さ調節部の説
明図、第4図は扱口部の側面説明図、第5図は従
来構造例を示す説明図である。 25a……反射面、26……超音波センサ、2
7……発信マイク、28,29……受信マイク、
a……頂点。

Claims (1)

    【実用新案登録請求の範囲】
  1. 超音波発信マイクと超音波受信マイクとを並設
    した超音波センサ構造において、前記発信マイク
    より発信される発信波を反射させる扱深さ検出用
    の反射面を、発信波の投射中心部を頂点に山形状
    に形成したことを特徴とする扱深さ検出装置。
JP9377887U 1987-06-18 1987-06-18 Pending JPS63201422U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9377887U JPS63201422U (ja) 1987-06-18 1987-06-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9377887U JPS63201422U (ja) 1987-06-18 1987-06-18

Publications (1)

Publication Number Publication Date
JPS63201422U true JPS63201422U (ja) 1988-12-26

Family

ID=30956643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9377887U Pending JPS63201422U (ja) 1987-06-18 1987-06-18

Country Status (1)

Country Link
JP (1) JPS63201422U (ja)

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