JPS61190757U - - Google Patents
Info
- Publication number
- JPS61190757U JPS61190757U JP7566085U JP7566085U JPS61190757U JP S61190757 U JPS61190757 U JP S61190757U JP 7566085 U JP7566085 U JP 7566085U JP 7566085 U JP7566085 U JP 7566085U JP S61190757 U JPS61190757 U JP S61190757U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- sensitivity
- raindrop
- wiper control
- switching circuit
- 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
- 230000035945 sensitivity Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図、
第２図はその具体例を示す説明図、第３図は本考
案の他の実施例を示すブロツク図、第４図は従来
のワイパ制御装置の説明図である。
図中、１は雨滴センサ、２は雨滴パルス抽出回
路、３は積算回路、４は比較器、５はリセツト回
路、６はワイパ駆動回路、７は感度切換回路、８
はアンプ、ＳＷはライトコントロールスイツチで
ある。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing a specific example thereof, FIG. 3 is a block diagram showing another embodiment of the present invention, and FIG. 4 is an explanatory diagram of a conventional wiper control device. In the figure, 1 is a raindrop sensor, 2 is a raindrop pulse extraction circuit, 3 is an integration circuit, 4 is a comparator, 5 is a reset circuit, 6 is a wiper drive circuit, 7 is a sensitivity switching circuit, 8
is an amplifier, and SW is a light control switch.
Claims (1)
スを積算してその積算値が基準値に達する毎にワ
イパを駆動するワイパ制御装置において、該セン
サの感度を夜間は高くする感度切換回路を設けた
ことを特徴とするワイパ制御装置。 (2) 感度切換回路は、雨滴パルスの積算値を基
準値と比較する比較器の該基準値の切換えるもの
であることを特徴とする、実用新案登録請求の範
囲第１項記載のワイパ制御装置。 (3) 感度切換回路は、雨滴パルスを増幅するア
ンプのゲインを切換えるものであることを特徴と
する、実用新案登録請求の範囲第１項記載のワイ
パ制御装置。[Claims for Utility Model Registration] (1) In a wiper control device that integrates raindrop pulses obtained from an optical raindrop sensor and drives a wiper every time the integrated value reaches a reference value, the sensitivity of the sensor is adjusted at night. A wiper control device characterized by being provided with a sensitivity switching circuit that increases the sensitivity. (2) The wiper control device according to claim 1, wherein the sensitivity switching circuit switches the reference value of a comparator that compares the integrated value of raindrop pulses with a reference value. . (3) The wiper control device according to claim 1, wherein the sensitivity switching circuit switches the gain of an amplifier that amplifies the raindrop pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7566085U JPS61190757U (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7566085U JPS61190757U (en) | 1985-05-21 | 1985-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190757U true JPS61190757U (en) | 1986-11-27 |
Family
ID=30617085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7566085U Pending JPS61190757U (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190757U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0257455A (en) * | 1988-08-24 | 1990-02-27 | Nippon Denso Co Ltd | Raindrop-sensitive automatic control device |
| JPH0379452A (en) * | 1989-08-08 | 1991-04-04 | Mercedes Benz Ag | Method and device for adapting sensitivity of sensor device for detecting precipitation during control of window wiping distance of window wiping drive device |
-
1985
- 1985-05-21 JP JP7566085U patent/JPS61190757U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0257455A (en) * | 1988-08-24 | 1990-02-27 | Nippon Denso Co Ltd | Raindrop-sensitive automatic control device |
| JPH0379452A (en) * | 1989-08-08 | 1991-04-04 | Mercedes Benz Ag | Method and device for adapting sensitivity of sensor device for detecting precipitation during control of window wiping distance of window wiping drive device |
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