JPS6293781U - - Google Patents
Info
- Publication number
- JPS6293781U JPS6293781U JP18443085U JP18443085U JPS6293781U JP S6293781 U JPS6293781 U JP S6293781U JP 18443085 U JP18443085 U JP 18443085U JP 18443085 U JP18443085 U JP 18443085U JP S6293781 U JPS6293781 U JP S6293781U
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- vehicle speed
- surface condition
- determining
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例の回路ブロツク図、第３図は
上記実施例の動作を示すタイミングチヤートであ
る。
１…超音波路面検知センサー、２…超音波発信
装置、３…受信装置、４…送波器、５…受波器、
６…制御装置、７…エンジン、８…ミツシヨン、
９…前輪、１０…切換装置、１１…プロペラシヤ
フト、１２…後輪デフ、１３…後輪、１４…作動
装置、１５…駆動回路、１６…車速センサー。
FIG. 1 is a diagram corresponding to the claims of this invention, FIG. 2 is a circuit block diagram of an embodiment of this invention, and FIG. 3 is a timing chart showing the operation of the above embodiment. 1... Ultrasonic road surface detection sensor, 2... Ultrasonic transmitter, 3... Receiving device, 4... Transmitter, 5... Receiver,
6...Control device, 7...Engine, 8...Mission,
9... Front wheel, 10... Switching device, 11... Propeller shaft, 12... Rear wheel differential, 13... Rear wheel, 14... Actuating device, 15... Drive circuit, 16... Vehicle speed sensor.
Claims (1)
面からの反射波の受信手段と、この受信手段によ
る反射波強度から路面状況を判別する判別手段と
、車両の車速検知手段と、この車速検知手段が車
速が一定値以下になつたことを検知した時に、前
記判別手段に対して一定値以下になる前の路面状
況の検知結果を保持させる保持手段を備えて成る
路面状況検知装置。 A transmitting means for transmitting a detection wave toward a road surface, a receiving means for receiving a reflected wave from the road surface, a determining means for determining a road surface condition from the intensity of the reflected wave by the receiving means, a vehicle speed detecting means, and a vehicle speed detecting means. A road surface condition detection device comprising: a holding means for causing the determining means to hold a detection result of a road surface condition before the vehicle speed becomes below a certain value when the means detects that the vehicle speed becomes below a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18443085U JPS6293781U (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18443085U JPS6293781U (en) | 1985-12-02 | 1985-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6293781U true JPS6293781U (en) | 1987-06-15 |
Family
ID=31132094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18443085U Pending JPS6293781U (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6293781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012035994A1 (en) * | 2010-09-15 | 2012-03-22 | 株式会社ジェイテクト | Four-wheel-drive vehicle and control device for same |
-
1985
- 1985-12-02 JP JP18443085U patent/JPS6293781U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012035994A1 (en) * | 2010-09-15 | 2012-03-22 | 株式会社ジェイテクト | Four-wheel-drive vehicle and control device for same |
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