JPS55156737A - Wiper control device for automobile - Google Patents
Wiper control device for automobileInfo
- Publication number
- JPS55156737A JPS55156737A JP6389079A JP6389079A JPS55156737A JP S55156737 A JPS55156737 A JP S55156737A JP 6389079 A JP6389079 A JP 6389079A JP 6389079 A JP6389079 A JP 6389079A JP S55156737 A JPS55156737 A JP S55156737A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- wiper
- car speed
- control circuit
- dividing ratio
- 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
Abstract
PURPOSE: To make a wiper capable of coping with the change in the amount of rainfall hitting the front glass of a car which depends upon the car speed, by detecting the car speed and changing the operation cycle of the wiper.
CONSTITUTION: An analog signal in proportion to the car speed is output from a car speed detecting device 2, and in response to this signal a control signal is output to a programmable divider 4 from a control circuit 3. The programmable divider, receiving the signal from a oscillation circuit which is input selectively by switches SW1 and SW2 which are interlocked with the programmable divider 4, divides according to the signal from the control circuit 3 frequency in a high frequency dividing ratio during the low speed driving and in a low frequency dividing ratio during the high speed driving, and a motor control circuit 5 controls the wiper motor by these divided frequency signals. The wiper can change the cycle of wiping through its continuous operation without manipulation, because frequency dividing ratio becomes smaller by the arrangement above mentioned as the car speed gains.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6389079A JPS55156737A (en) | 1979-05-25 | 1979-05-25 | Wiper control device for automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6389079A JPS55156737A (en) | 1979-05-25 | 1979-05-25 | Wiper control device for automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55156737A true JPS55156737A (en) | 1980-12-06 |
Family
ID=13242332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6389079A Pending JPS55156737A (en) | 1979-05-25 | 1979-05-25 | Wiper control device for automobile |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55156737A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62255262A (en) * | 1986-04-30 | 1987-11-07 | Nissan Motor Co Ltd | Wiper controller |
US5153488A (en) * | 1989-05-20 | 1992-10-06 | Daimler-Benz Aktiengesellschaft | Method and apparatus for controlling a drive motor of a motor vehicle windscreen wiping system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239229A (en) * | 1975-09-23 | 1977-03-26 | Yamada Seisakusho:Kk | Device for wiping windows of vehicles |
JPS52131324A (en) * | 1976-04-24 | 1977-11-04 | Stanley Electric Co Ltd | Speed control device for window wiper |
-
1979
- 1979-05-25 JP JP6389079A patent/JPS55156737A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239229A (en) * | 1975-09-23 | 1977-03-26 | Yamada Seisakusho:Kk | Device for wiping windows of vehicles |
JPS52131324A (en) * | 1976-04-24 | 1977-11-04 | Stanley Electric Co Ltd | Speed control device for window wiper |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62255262A (en) * | 1986-04-30 | 1987-11-07 | Nissan Motor Co Ltd | Wiper controller |
US5153488A (en) * | 1989-05-20 | 1992-10-06 | Daimler-Benz Aktiengesellschaft | Method and apparatus for controlling a drive motor of a motor vehicle windscreen wiping system |
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