JPS6064279U - Road surface condition determination device - Google Patents
Road surface condition determination deviceInfo
- Publication number
- JPS6064279U JPS6064279U JP15611983U JP15611983U JPS6064279U JP S6064279 U JPS6064279 U JP S6064279U JP 15611983 U JP15611983 U JP 15611983U JP 15611983 U JP15611983 U JP 15611983U JP S6064279 U JPS6064279 U JP S6064279U
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- surface condition
- ultrasonic
- determination device
- condition determination
- 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
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による路面状態判別装置の一実施例のブ
ロック線図１．第２図は第１図に示した路面状態判別装
置め各部における信号のタイムチャート、第３図は路面
状態判別回路の動作を説明するための信号のタイムチャ
ートで、ａは受信波強度が大きい場合、ａは受信波強度
が小さい場合で″′↑：０．８工／＜）Ｌ’７−；ｇ＠
＠８ｒｊｍＭｔ、２−ｆｌ工え振器、３・・・超音波送
信器、４・・・路面、５・・・超音波受信器、６・・・
増幅回路、７・・・整流回路、８・・・波形−整形回路
、９・・・フリ、ツブフローツブ、１゛０・・・カウン
タ、１１・・・基準クロック、１２・・・ラッチ回路、
１３゛・・・遅延回路、１４・・・Ｄ／Ａ変換器、１５
・・・路面判断回路、１６・・・警報装置。FIG. 1 is a block diagram of an embodiment of the road surface condition determination device according to the present invention. Fig. 2 is a time chart of signals in each part of the road condition discriminating device shown in Fig. 1, and Fig. 3 is a time chart of signals for explaining the operation of the road condition discriminating circuit. In the case, a is ``'↑:0.8cm/<)L'7-;g@ when the received wave intensity is small.
@8rjmMt, 2-fl shaker, 3... Ultrasonic transmitter, 4... Road surface, 5... Ultrasonic receiver, 6...
Amplifier circuit, 7... Rectifier circuit, 8... Waveform-shaping circuit, 9... Furi, tube flow tube, 1゛0... Counter, 11... Reference clock, 12... Latch circuit,
13゛...Delay circuit, 14...D/A converter, 15
...Road surface judgment circuit, 16...Warning device.
Claims (1)
の超音波の反射波を受信する超音波受信−器と、該超音
波受信器にかり受信された超音波の区射波強度を所定値
と比較し比較結果に基づいて畔面状態を判別する判別手
段と、該判別手段により判別された路面状態を報知する
報知手段とを有７ することを特徴とする路面状
態判別装置。An ultrasonic transmitter that irradiates ultrasonic waves onto a road surface, an ultrasonic receiver that receives reflected waves of the ultrasonic waves from the road surface, and a beam intensity of the ultrasonic waves received by the ultrasonic receiver. A road surface condition discriminating device comprising: a discriminating means for comparing the road surface condition with a predetermined value and discriminating the road surface condition based on the comparison result; and a notifying means for notifying the road surface condition discriminated by the discriminating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15611983U JPS6064279U (en) | 1983-10-11 | 1983-10-11 | Road surface condition determination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15611983U JPS6064279U (en) | 1983-10-11 | 1983-10-11 | Road surface condition determination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6064279U true JPS6064279U (en) | 1985-05-07 |
Family
ID=30344590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15611983U Pending JPS6064279U (en) | 1983-10-11 | 1983-10-11 | Road surface condition determination device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6064279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014113410A (en) * | 2012-12-12 | 2014-06-26 | Yamaguchi Univ | Road surface state determination and notification device |
-
1983
- 1983-10-11 JP JP15611983U patent/JPS6064279U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014113410A (en) * | 2012-12-12 | 2014-06-26 | Yamaguchi Univ | Road surface state determination and notification device |
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