JPH0235086U - - Google Patents

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Publication number
JPH0235086U
JPH0235086U JP11431388U JP11431388U JPH0235086U JP H0235086 U JPH0235086 U JP H0235086U JP 11431388 U JP11431388 U JP 11431388U JP 11431388 U JP11431388 U JP 11431388U JP H0235086 U JPH0235086 U JP H0235086U
Authority
JP
Japan
Prior art keywords
road surface
receiver
specific frequency
amplification
circuit
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
JP11431388U
Other languages
English (en)
Other versions
JP2531276Y2 (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 JP1988114313U priority Critical patent/JP2531276Y2/ja
Publication of JPH0235086U publication Critical patent/JPH0235086U/ja
Application granted granted Critical
Publication of JP2531276Y2 publication Critical patent/JP2531276Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案が指向する路面状況検出装置と
路面との関係を示す側面図、第２図は本考案の一
実施例を示すブロツク図である。 １……発信器、２……受信器、４……時間演算
回路、５……ゲート回路、６……車速センサ、７
……増幅回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 路面に向けて超音波を発信する発信器と、 上記路面の所定距離の地点から反射される特定
    周波数を受信する受信器と、 上記路面に向けて発信された超音波が上記受信
    器に受信されるときの受信時間を限定する時間演
    算回路と、 上記受信時間における上記特定周波数の反射波
    のみを受け入れるゲート回路と、 上記ゲート回路を通過した信号を車速に応じて
    増幅する増幅回路 とを備えたことを特徴とする路面状況検出装置
    。
JP1988114313U 1988-08-31 1988-08-31 路面状況検出装置 Expired - Lifetime JP2531276Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988114313U JP2531276Y2 (ja) 1988-08-31 1988-08-31 路面状況検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988114313U JP2531276Y2 (ja) 1988-08-31 1988-08-31 路面状況検出装置

Publications (2)

Publication Number Publication Date
JPH0235086U true JPH0235086U (ja) 1990-03-06
JP2531276Y2 JP2531276Y2 (ja) 1997-04-02

Family

ID=31354943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988114313U Expired - Lifetime JP2531276Y2 (ja) 1988-08-31 1988-08-31 路面状況検出装置

Country Status (1)

Country Link
JP (1) JP2531276Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62122812A (ja) * 1985-11-25 1987-06-04 Matsushita Electric Works Ltd 車輌用路面センサ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62122812A (ja) * 1985-11-25 1987-06-04 Matsushita Electric Works Ltd 車輌用路面センサ

Also Published As

Publication number Publication date
JP2531276Y2 (ja) 1997-04-02

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