JPH0235088U - - Google Patents
Info
- Publication number
- JPH0235088U JPH0235088U JP11431188U JP11431188U JPH0235088U JP H0235088 U JPH0235088 U JP H0235088U JP 11431188 U JP11431188 U JP 11431188U JP 11431188 U JP11431188 U JP 11431188U JP H0235088 U JPH0235088 U JP H0235088U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- area
- road surface
- superimposed
- reflected
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例を示す側面図、第２
図は本考案の他の実施例を示す平面図、第３図は
本考案の構成を示すブロツク図である。
３……発信側マイクロホン、４……受信側マイ
クロホン、５……制御回路。
Figure 1 is a side view showing one embodiment of the present invention;
The figure is a plan view showing another embodiment of the present invention, and FIG. 3 is a block diagram showing the configuration of the present invention. 3...Microphone on the transmitting side, 4...Microphone on the receiving side, 5...Control circuit.
Claims (1)
超音波を発信する発信側マイクロホンと、車両進
行方向前方の路面のエリアＥ２を対象として超音
波反射波を受信する受信側マイクロホンと、この
受信側マイクロホンで受信した反射波を処理する
制御回路とを備え、上記発信側マイクロホンのエ
リアＥ１に上記受信側マイクロホンのエリアＥ２
を部分的に重畳させ、この重畳エリアＥ３からの
反射波を上記受信側マイクロホンで受信すること
を特徴とする路面センサ。 A transmitter microphone that transmits ultrasonic waves toward an area E1 on the road surface in front of the vehicle in the direction of travel; a receiver microphone that receives reflected ultrasonic waves toward an area E2 of the road surface in front of the vehicle in the travel direction; and this receiver microphone. and a control circuit for processing reflected waves received by the transmitting microphone, and an area E1 of the transmitting microphone and an area E2 of the receiving microphone.
A road surface sensor characterized in that a reflected wave from the superimposed area E3 is partially superimposed and the receiving microphone receives the reflected wave from the superimposed area E3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11431188U JPH0235088U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11431188U JPH0235088U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235088U true JPH0235088U (en) | 1990-03-06 |
Family
ID=31354940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11431188U Pending JPH0235088U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235088U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102176A (en) * | 1982-12-04 | 1984-06-13 | Oki Electric Ind Co Ltd | Apparatus for mounting aerial ultrasonic transmitter/ receiver for backward warning of vehicle |
| JPS62274285A (en) * | 1986-05-22 | 1987-11-28 | Matsushita Electric Works Ltd | Obstacle detector for vehicle |
-
1988
- 1988-08-31 JP JP11431188U patent/JPH0235088U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102176A (en) * | 1982-12-04 | 1984-06-13 | Oki Electric Ind Co Ltd | Apparatus for mounting aerial ultrasonic transmitter/ receiver for backward warning of vehicle |
| JPS62274285A (en) * | 1986-05-22 | 1987-11-28 | Matsushita Electric Works Ltd | Obstacle detector for vehicle |