JPH01148957U - - Google Patents
Info
- Publication number
- JPH01148957U JPH01148957U JP4610688U JP4610688U JPH01148957U JP H01148957 U JPH01148957 U JP H01148957U JP 4610688 U JP4610688 U JP 4610688U JP 4610688 U JP4610688 U JP 4610688U JP H01148957 U JPH01148957 U JP H01148957U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- wiper
- relay
- capacitor
- drive 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
- 239000003990 capacitor Substances 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の実施例を示す回路図、第２図
はその動作波形図、第３図は従来のワイパ駆動回
路の説明図である。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an operating waveform diagram thereof, and FIG. 3 is an explanatory diagram of a conventional wiper drive circuit.
Claims (1)
形成するリレーＬと、 該リレーＬを駆動するトランジスタＴＲと、 該トランジスタＴＲのベース電位を決定するバ
イアス抵抗Ｒ２，Ｒ３と、 該トランジスタＴＲのエミツタ電位を決定する
コンデンサＣと、 該コンデンサＣの充放電用抵抗Ｒ１とを備え、 該切替接点ＳＷ３の３点（○ｅ○Ｙ○Ｚまたは
○Ｘ○Ｙ）を、手動スイツチＳＷ１とカムスイツ
チＳＷ２で該ワイパモータＭの通電経路を形成す
る手動式ワイパ駆動回路に接続するようにしてな
ることを特徴とするワイパの間欠駆動回路。[Claims for Utility Model Registration] A relay L that forms a current conduction path for the wiper motor M with a switching contact SW3, a transistor TR that drives the relay L, and bias resistors R 2 and R 3 that determine the base potential of the transistor TR. , a capacitor C that determines the emitter potential of the transistor TR, and a charging/discharging resistor R1 of the capacitor C, and three points (○e○Y○Z or ○X○Y) of the switching contact SW3. An intermittent drive circuit for a wiper, characterized in that the manual switch SW1 and the cam switch SW2 are connected to a manual wiper drive circuit that forms a power supply path for the wiper motor M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4610688U JPH01148957U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4610688U JPH01148957U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01148957U true JPH01148957U (en) | 1989-10-16 |
Family
ID=31272390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4610688U Pending JPH01148957U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148957U (en) |
-
1988
- 1988-04-05 JP JP4610688U patent/JPH01148957U/ja active Pending
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