JPH0235084U - - Google Patents

Info

Publication number
JPH0235084U
JPH0235084U JP11430188U JP11430188U JPH0235084U JP H0235084 U JPH0235084 U JP H0235084U JP 11430188 U JP11430188 U JP 11430188U JP 11430188 U JP11430188 U JP 11430188U JP H0235084 U JPH0235084 U JP H0235084U
Authority
JP
Japan
Prior art keywords
vehicle speed
road surface
transmitting
vehicle
outputting
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
JP11430188U
Other languages
Japanese (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 JP11430188U priority Critical patent/JPH0235084U/ja
Publication of JPH0235084U publication Critical patent/JPH0235084U/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】[Brief explanation of drawings]

第１図は本考案の一実施例としての車速センサ
を装着した車両の概略構成図、第２図は同上車両
の概略平面図、第３図は同上車速センサの構成ブ
ロツク図である。 １……超音波送波器、２……反射波受波器、３
……超音波受波器、４……超音波受信器、５……
車速演算手段、６……路面、ｆ……発信周波数、
ｆ′……受信周波数。 FIG. 1 is a schematic configuration diagram of a vehicle equipped with a vehicle speed sensor as an embodiment of the present invention, FIG. 2 is a schematic plan view of the same vehicle, and FIG. 3 is a configuration block diagram of the same vehicle speed sensor. 1...Ultrasonic wave transmitter, 2...Reflected wave receiver, 3
...Ultrasonic receiver, 4...Ultrasonic receiver, 5...
Vehicle speed calculation means, 6...road surface, f...transmission frequency,
f′...Receiving frequency.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 路面に対して所定の向い角で所定の発信周波数
の音波を送出する送信手段と、路面からの反射波
の受信周波数を検出する受信手段と、ドツプラー
効果特性に基づき上記発信周波数及び上記受信周
波数に応じた車両の対地速度を算出して出力する
車速演算手段とを備えたことを特徴とする車速セ
ンサ。 a transmitting means for transmitting a sound wave of a predetermined oscillation frequency at a predetermined orientation angle with respect to the road surface; a receiving means for detecting the reception frequency of the reflected wave from the road surface; A vehicle speed sensor comprising a vehicle speed calculation means for calculating and outputting the ground speed of the vehicle according to the vehicle speed.
JP11430188U 1988-08-31 1988-08-31 Pending JPH0235084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11430188U JPH0235084U (en) 1988-08-31 1988-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11430188U JPH0235084U (en) 1988-08-31 1988-08-31

Publications (1)

Publication Number Publication Date
JPH0235084U true JPH0235084U (en) 1990-03-06

Family

ID=31354920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11430188U Pending JPH0235084U (en) 1988-08-31 1988-08-31

Country Status (1)

Country Link
JP (1) JPH0235084U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02278020A (en) * 1989-03-20 1990-11-14 Wynn's Precision Inc Booth assembly for constant speed joint
JPH03269388A (en) * 1990-03-20 1991-11-29 Japan Radio Co Ltd Multi-purpose ultrasonic measuring instrument for mounting on vehicle
JP2011037345A (en) * 2009-08-07 2011-02-24 Denso Corp Vehicle presence notification device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02278020A (en) * 1989-03-20 1990-11-14 Wynn's Precision Inc Booth assembly for constant speed joint
JPH03269388A (en) * 1990-03-20 1991-11-29 Japan Radio Co Ltd Multi-purpose ultrasonic measuring instrument for mounting on vehicle
JP2011037345A (en) * 2009-08-07 2011-02-24 Denso Corp Vehicle presence notification device
US8212656B2 (en) 2009-08-07 2012-07-03 Denso Corporation Vehicle presence notification apparatus

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