JPH0289382U - - Google Patents

Info

Publication number
JPH0289382U
JPH0289382U JP16841288U JP16841288U JPH0289382U JP H0289382 U JPH0289382 U JP H0289382U JP 16841288 U JP16841288 U JP 16841288U JP 16841288 U JP16841288 U JP 16841288U JP H0289382 U JPH0289382 U JP H0289382U
Authority
JP
Japan
Prior art keywords
road surface
wave
specific signal
reflected wave
ultrasonic
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
JP16841288U
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 JP16841288U priority Critical patent/JPH0289382U/ja
Publication of JPH0289382U publication Critical patent/JPH0289382U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
図は本考案による路面センサの一実施例を示す
ブロツク図である。 1……送信部、2……受信部、3……高周波発
振器、4……変調信号発生器、5……変調回路、
6……送信器、7……受信器、8……増幅器、9
……バンドパスフイルタ、10……障害物検知回
路、11……外乱ノイズ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 路面へ向けて連続的に送信した超音波の反射波
    強度変化率を検出して路面状況を検知する路面セ
    ンサにおいて、高周波発振器で発生させた超音波
    と変調信号発生器で発生させた変調信号とを変調
    回路へ入力して前記超音波を変調させた特定信号
    を送信する送信部と、前記特定信号の反射波に外
    乱ノイズを含んだ受信波から前記特定信号の反射
    波のみを抽出するバンドパスフイルタを障害物検
    知回路の前に設けた受信部とより成り、外乱ノイ
    ズによる路面状況の誤検知を防止したことを特徴
    とする路面センサ。
JP16841288U 1988-12-28 1988-12-28 Pending JPH0289382U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16841288U JPH0289382U (ja) 1988-12-28 1988-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16841288U JPH0289382U (ja) 1988-12-28 1988-12-28

Publications (1)

Publication Number Publication Date
JPH0289382U true JPH0289382U (ja) 1990-07-16

Family

ID=31457564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16841288U Pending JPH0289382U (ja) 1988-12-28 1988-12-28

Country Status (1)

Country Link
JP (1) JPH0289382U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62293175A (ja) * 1986-06-13 1987-12-19 Fuji Electric Co Ltd 超音波測定装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62293175A (ja) * 1986-06-13 1987-12-19 Fuji Electric Co Ltd 超音波測定装置

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