JPS55156737A - Wiper control device for automobile - Google Patents

Wiper control device for automobile

Info

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
Application number
JP6389079A
Other languages
Japanese (ja)
Inventor
Masahiro Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6389079A priority Critical patent/JPS55156737A/en
Publication of JPS55156737A publication Critical patent/JPS55156737A/en
Pending legal-status Critical Current

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
JP6389079A 1979-05-25 1979-05-25 Wiper control device for automobile Pending JPS55156737A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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