JPS61165476U - - Google Patents
Info
- Publication number
- JPS61165476U JPS61165476U JP5018685U JP5018685U JPS61165476U JP S61165476 U JPS61165476 U JP S61165476U JP 5018685 U JP5018685 U JP 5018685U JP 5018685 U JP5018685 U JP 5018685U JP S61165476 U JPS61165476 U JP S61165476U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- outside
- microphone
- pressure level
- reference value
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
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の障害物検知装置と
それを搭載した自動車の模式図、第２図は本考案
の一実施例の車両の障害物検知装置の構成ブロツ
ク図である。
（符号の説明）１……車両の障害物検知装置、
２……エンジン回転数検出器、３……吸気圧検出
器、４……マイクロホン、５……制御手段、９…
…周波数可変バンドパスフイルタ、１１……マイ
クロコンピユータ、１２……表示器。
FIG. 1 is a schematic diagram of an obstacle detection device according to an embodiment of the present invention and a vehicle equipped with the same, and FIG. 2 is a block diagram of the structure of an obstacle detection device for a vehicle according to an embodiment of the present invention. (Explanation of symbols) 1...Vehicle obstacle detection device,
2...Engine speed detector, 3...Intake pressure detector, 4...Microphone, 5...Control means, 9...
...Variable frequency bandpass filter, 11...Microcomputer, 12...Display device.
Claims (1)
る障害物で反射された音を主として検出するよう
に車両の外部に向けた姿勢で車両に搭載設置され
たマイクロホンと、前記車両からの発生の音圧レ
ベルに関連した諸量を検出する検出器と、その検
出した諸量に基づいて基準値を得る基準手段と、
その基準値と前記マイクロホンで検出される音圧
レベルの比較に基づいて障害物の有無の判断を行
い報知信号を出力する検知制御手段とを具備した
ことを特徴とする車両の障害物検知装置。 A microphone mounted on the vehicle in a position facing the outside of the vehicle so as to mainly detect sounds generated from the vehicle and reflected by obstacles outside the vehicle due to the function of the vehicle, and a microphone installed on the vehicle in an orientation facing the outside of the vehicle, and the sound generated from the vehicle. a detector for detecting various quantities related to the pressure level; a reference means for obtaining a reference value based on the detected quantities;
An obstacle detection device for a vehicle, comprising a detection control means for determining the presence or absence of an obstacle based on a comparison between the reference value and the sound pressure level detected by the microphone and outputting a notification signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5018685U JPS61165476U (en) | 1985-04-02 | 1985-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5018685U JPS61165476U (en) | 1985-04-02 | 1985-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165476U true JPS61165476U (en) | 1986-10-14 |
Family
ID=30568083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5018685U Pending JPS61165476U (en) | 1985-04-02 | 1985-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165476U (en) |
-
1985
- 1985-04-02 JP JP5018685U patent/JPS61165476U/ja active Pending
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