JPH0235013U - - Google Patents

Info

Publication number
JPH0235013U
JPH0235013U JP11430488U JP11430488U JPH0235013U JP H0235013 U JPH0235013 U JP H0235013U JP 11430488 U JP11430488 U JP 11430488U JP 11430488 U JP11430488 U JP 11430488U JP H0235013 U JPH0235013 U JP H0235013U
Authority
JP
Japan
Prior art keywords
vehicle speed
detecting
reflected wave
frequency
receiving
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
JP11430488U
Other languages
English (en)
Other versions
JPH0648451Y2 (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 JP11430488U priority Critical patent/JPH0648451Y2/ja
Publication of JPH0235013U publication Critical patent/JPH0235013U/ja
Application granted granted Critical
Publication of JPH0648451Y2 publication Critical patent/JPH0648451Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る超音波検知装置の概略構
成を示すブロツク構成図、第２図は同上装置の受
信器による受信信号の周波数成分を概略的に示す
グラフ、第３図は第１図に示す超音波検知装置に
よる信号処理過程を説明するための説明図である
。 １……超音波検知センサ、２……超音波発信器
、３……超音波受信器、４……超音波発信装置、
５……超音波受信装置、６……検波装置、７……
制御装置、８……車速センサ、９……検出物。

Claims (1)

    【実用新案登録請求の範囲】
  1. 車両の進行方向の路面に向けて一定周波数の超
    音波を送出する発信手段と、路面若しくは障害物
    からの反射波を受信する受信手段と、車両の車速
    を検出する車速検出手段と、この車速検出手段に
    よつて検出された車速からドツプラー効果を利用
    して上記反射波の周波数を演算する反射波周波数
    演算手段と、上記受信手段による受信信号から上
    記演算された反射波周波数の信号を検出する手段
    とを備えた車両用超音波検知装置。
JP11430488U 1988-08-31 1988-08-31 車両用超音波検知装置 Expired - Lifetime JPH0648451Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11430488U JPH0648451Y2 (ja) 1988-08-31 1988-08-31 車両用超音波検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11430488U JPH0648451Y2 (ja) 1988-08-31 1988-08-31 車両用超音波検知装置

Publications (2)

Publication Number Publication Date
JPH0235013U true JPH0235013U (ja) 1990-03-06
JPH0648451Y2 JPH0648451Y2 (ja) 1994-12-12

Family

ID=31354926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11430488U Expired - Lifetime JPH0648451Y2 (ja) 1988-08-31 1988-08-31 車両用超音波検知装置

Country Status (1)

Country Link
JP (1) JPH0648451Y2 (ja)

Also Published As

Publication number Publication date
JPH0648451Y2 (ja) 1994-12-12

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