KR100375378B1 - Automatic control system of wiper for automobile - Google Patents
Automatic control system of wiper for automobile Download PDFInfo
- Publication number
- KR100375378B1 KR100375378B1 KR10-2000-0043443A KR20000043443A KR100375378B1 KR 100375378 B1 KR100375378 B1 KR 100375378B1 KR 20000043443 A KR20000043443 A KR 20000043443A KR 100375378 B1 KR100375378 B1 KR 100375378B1
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- South Korea
- Prior art keywords
- speed
- wiper
- front glass
- signal
- wiping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0803—Intermittent control circuits
- B60S1/0807—Intermittent control circuits using electronic control means, e.g. tubes, semiconductors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0859—Other types of detection of rain, e.g. by measuring friction or rain drop impact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0862—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means including additional sensors
- B60S1/087—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means including additional sensors including an ambient light sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S318/00—Electricity: motive power systems
- Y10S318/02—Windshield wiper controls
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
본 발명은 자동차용 와이퍼 자동 제어 시스템에 관한 것으로서, 전면글래스에 대하여 와이퍼 블레이드가 주변환경 조건에 꼭 맞는 속도로 작동되도록 주변 환경조건을 최대한 감지하는 감지부와, 감지된 신호에 따라 와이퍼 블레이드의 최적 구동속도를 계산하고 결정하는 데이타 처리부와, 결정된 와이퍼 블레이드 구동속도에 따른 전력량을 결정하는 구동부로 구성된 인공지능형의 자동차용 와이퍼 자동 제어 시스템을 제공하고자 한 것이다.The present invention relates to an automatic wiper control system for automobiles, wherein the wiper blade is configured to detect the maximum environmental conditions such that the wiper blade operates at a speed suitable for the environmental conditions, and the optimum wiper blade according to the detected signal. An object of the present invention is to provide an automatic wiper control system for an artificial vehicle wiper including a data processor for calculating and determining a driving speed and a driver for determining an amount of power according to the determined wiper blade driving speed.
Description
본 발명은 자동차용 와이퍼 자동 제어 시스템에 관한 것으로서, 와이퍼 시스템을 주위 환경 조건에 따라 적절하게 작동되도록 한 자동차용 와이퍼 자동 제어 시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic wiper control system for an automobile, and more particularly to an automatic wiper automatic control system for a vehicle so that the wiper system is properly operated according to ambient environmental conditions.
통상적으로, 와이퍼 시스템은 크게 와이퍼 암 구동용 모터와, 이 모터에 의하여 소정의 각도로 반복 구동되는 와이퍼 암과, 이 와이퍼 암에 장착되어 창을 닦아주는 와이퍼 블레이드로 구성되어 있다.Typically, a wiper system is composed of a wiper arm driving motor, a wiper arm repeatedly driven at a predetermined angle by the motor, and a wiper blade mounted on the wiper arm to clean a window.
상기 와이퍼 시스템은 주변의 조건에 따라 그 작동상태를 자동으로 제어하여 편의성을 증대시키는 추세에 있다.예를 들면, 미국 특허 제5773946호에서는 와이퍼 시스템 제어장치를 제공하고 있는 바, 이를 첨부한 도 3을 참조로 설명하면 다음과 같다.The wiper system tends to increase convenience by automatically controlling its operating state according to surrounding conditions. For example, US Pat. No. 5,573,946 provides a wiper system controller, which is attached to FIG. 3. When described with reference to:
우천시에 빗물이 전면글래스에 부딪히면, 이때 빗물의 부딪히는 소음을 음향감지기(23)에서 감지하는 동시에 전기신호로 변환하여 증폭기(14)로 전기신호를 보내게 되고, 증폭기(14)에서는 수신된 전기신호를 증폭시키는 동시에 여과기(12)로 증폭된 전기신호를 보내 여과되도록 한다.When rainwater hits the front glass in rainy weather, the sound of rainwater is detected by the acoustic sensor 23 and converted to an electrical signal at the same time to send an electrical signal to the amplifier 14, the amplifier 14 receives the received electrical signal At the same time to amplify the filter to send an amplified electric signal to the filter 12.
상기 여과된 음향 전기신호는 전압계(16)에서 그 전압이 측정되고, F/V변환기(20)에서 전압대비 주파수가 측정된 후, 비교기(18,20)로 흘러간다.The filtered acoustic electrical signal is measured at a voltmeter 16 and a frequency to frequency is measured at the F / V converter 20 and then flows to the comparators 18 and 20.
다음으로, 상기 전기신호는 비교기(18,20)에서 기준 데이타와 비교된 후, 논리제어회로(22)로 입력되는 바, 이때 논리제어회로(22)는 그 전달받은 신호에 따라 한 번 닦기(24), 연속 닦기(25)등의 신호를 출력하게 된다.Next, the electrical signal is compared with the reference data in the comparators 18 and 20, and then input to the logic control circuit 22, where the logic control circuit 22 is wiped once according to the received signal. 24), a signal such as continuous wipe 25 is outputted.
한편, 상기 와이퍼 시스템 제어장치는 축전지(2)에서 공급되는 전원을 전력조정회로(6)에서 조정하여 사용하고, 간헐식 창닦기는 운전자가 간헐식 창닦기 제어(4)를 조정하여 수행한다.On the other hand, the wiper system controller is used by adjusting the power supplied from the battery 2 in the power regulation circuit 6, the intermittent window cleaning is performed by the driver to adjust the intermittent window cleaning control (4).
그러나, 상기와 같은 종래의 와이퍼 시스템 제어장치는 한 두개의 정보(전면글래스에 부딪히는 빗물의 음향)로 자동 창닦기가 수행됨에 따라, 주변조건이 복잡해질 경우 오작동을 하게 되는 문제점이 있다.However, the conventional wiper system control device as described above has a problem in that automatic window cleaning is performed with one or two pieces of information (sound of rain water hitting the front glass), which causes a malfunction when the surrounding conditions become complicated.
즉, 주위의 차가 지나가면서 소음을 발생하여도 와이퍼가 오작동하게 되어 운전자의 시계를 오히려 방해하게 되고, 이러한 오작동시 운전자는 와이퍼의 구동을 멈추게 하는 스위치 조작을 반복해서 실행함에 따라 편의성 및 신뢰성이 크게 저하되는 문제점이 있다.In other words, even if the noise around the car passes by, the wiper malfunctions and interferes with the driver's watch. In the case of such a malfunction, the driver repeatedly performs the switch operation to stop the wiper. There is a problem of deterioration.
또한, 계속되는 오작동으로 와이퍼 시스템의 성능과 내구성이 크게 저하되는 단점이 있다.In addition, there is a disadvantage that the performance and durability of the wiper system is greatly reduced due to the continuous malfunction.
따라서, 본 발명은 상기와 같은 점을 감안하여, 전면글래스에 대하여 와이퍼 블레이드가 주변환경 조건에 꼭 맞는 속도로 작동되도록 주변 환경 조건을 최대한 감지하는 감지부와, 감지된 신호에 따라 와이퍼 블레이드의 최적 구동속도를 계산하고 결정하는 데이타 처리부와, 결정된 와이퍼 블레이드 구동속도에 따른 전력량을 결정하는 구동부로 구성된 인공지능형의 자동차용 와이퍼 자동 제어 시스템을 제공하는데 그 목적이 있다.Therefore, in view of the above, the present invention, the detection unit for maximally detecting the ambient environmental conditions so that the wiper blade is operated at a speed that fits the environmental conditions with respect to the front glass, and the optimum of the wiper blades according to the detected signal An object of the present invention is to provide an automatic wiper control system for an artificial vehicle type comprising a data processor for calculating and determining a driving speed, and a driver for determining an amount of power according to the determined wiper blade driving speed.
도 1은 본 발명에 따른 자동차용 와이퍼 자동 제어 시스템을 나타내는 제어회로도,1 is a control circuit diagram showing an automotive wiper automatic control system according to the present invention,
도 2는 본 발명에 따른 자동차용 와이퍼 자동 제어 시스템을 나타내는 제어순서도,2 is a control flowchart showing an automotive wiper automatic control system according to the present invention;
도 3은 종래의 자동차용 와이퍼 시스템을 나타내는 제어회로도.3 is a control circuit diagram showing a conventional vehicle wiper system.
<도면의 주요 부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
100 : 감지부 200 : 데이타 처리부100: detection unit 200: data processing unit
300 : 구동부300 drive unit
이하, 첨부도면을 참조로 본 발명을 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 전면글래스에 부딪히는 풍속을 감지하는 풍속 감지기와, 전면글래스에 부딪히는 빗물의 충격으로 빗물의 량을 감지하는 타력식 빗물량 감지기와, 전면글래스에 빛을 조사하여 굴절시킴에 따라 빗물의 량을 감지하는 광굴절식 빗물량 감지기와, 전면글래스의 표면습도를 감지하는 습도감지기와, 전면글래스에 비추어지는 광량을 감지하는 광량감지기와, 전면글래스에 대한 와이퍼 블레이드의 현재 닦임속도를 측정하는 닦임속도 측정기로 구성된 감지부(100)와;The present invention is a wind speed sensor for detecting the wind speed that hits the front glass, an inert rainwater detector for detecting the amount of rain by the impact of the rain hit the front glass, and the amount of rain water by refracting by irradiating the front glass with light Photorefractive rainwater detector for detecting light, humidity sensor for detecting surface humidity of the front glass, light sensor for detecting the amount of light shining on the front glass, and wiping blade for measuring the current wiping speed of the wiper blades for the front glass A sensing unit 100 configured as a speed meter;
상기 감지부(100)의 각 감지된 전기신호를 수신하여 디지탈 코드 신호로 변환시켜주는 코드신호 발생기와, 실제 주변환경에 맞게 전면글래스에 대하여 작동하는 와이퍼 블레이드의 속도등이 상기 감지부의 독립적인 시험을 통하여 데이타화되어 저장된 데이타베이스와, 상기 디지탈 코드 신호를 상기 데이타베이스의 저장 데이타와 비교 연산하여 와이퍼블레이드의 최적 닦임속도를 결정하는 비교 명령기로 구성된 데이타 처리부(200)와;Independent testing of the code signal generator for receiving each detected electric signal of the detector 100 and converting it into a digital code signal, and the speed of the wiper blade operating on the front glass according to the actual environment. A data processing unit (200) comprising a database which is data-stored through the data storage unit, and a comparison command that compares the digital code signal with stored data of the database to determine an optimum wiping speed of the wiper blades;
상기 감지부(100)의 닦임속도 측정기의 현재 작동중인 와이퍼블레이드의 속도 감지 신호와 상기 비교명령기에서 결정된 와이퍼블레이드 최적 닦임속도를 비교하여 그 오차량을 계산하는 비교기와, 상기 데이타처리부(200)의 비교명령기로부터 명령받은 와이퍼블레이드의 최적 구동 속도 신호와 상기 비교기의 닦임속도 오차량을 계산하여 적정의 와이퍼블레이드 구동속도 전류신호를 보내는 펄스 발생기와, 상기 펄스 발생기의 신호에 따라 와셔모터 또는 와이퍼 구동모터를 구동시키는 전원발생기로 구성된 구동부(300)로 이루어진 것을 특징으로 한다.A comparator comparing the wiping blade speed detection signal of the wiping blade measuring device of the sensing unit 100 with the wiping blade optimum wiping speed determined by the comparison commander and calculating an error amount thereof, and the data processor 200 A pulse generator that calculates an optimum drive speed signal of the wiper blade commanded by the comparator and a wipe speed error amount of the comparator, and sends an appropriate wiper blade drive speed current signal, and a washer motor or wiper according to the signal of the pulse generator Characterized in that it consists of a drive unit 300 consisting of a power generator for driving a drive motor.
이하, 본 발명에 따른 자동차용 와이퍼 자동 제어 시스템의 바람직한 구현예를 상세히 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the automatic wiper control system for automobiles according to the present invention will be described in detail.
첨부한 도 1은 본 발명에 따른 와이퍼 자동 제어 시스템을 나타내는 제어회로도로서, 상기 감지부(100)는 풍속 감지기와, 타력식 빗물량 감지기와, 광굴절식 빗물량 감지기와, 습도감지기와, 광량감지기와, 닦임속도 측정기로 구성된다.1 is a control circuit diagram illustrating an automatic wiper control system according to the present invention, wherein the detection unit 100 includes a wind speed detector, an inerted rainwater detector, a photorefractive rainwater detector, a humidity sensor, and a light quantity. It consists of a sensor and a wipe speed meter.
상기 풍속감지기는 전면글래스에 부딪히는 풍속을 감지하는 장치로서, 바람에 의하여 빗물이 전면글래스에 미끄러짐에 따라 그 감지량이 많음을 보정하고 풍속에 따라 후술하는 타력식 빗물량 감지기의 감지 빗물량의 오차를 보정하기 위한 장치이다.The wind speed sensor is a device for detecting the wind speed that hits the front glass, the rain water slips on the front glass due to the wind to correct the large amount of detection and the error of the detected rain water quantity of the inert rain rainwater detector to be described later depending on the wind speed It is a device for calibrating.
또한, 상기 타력식 빗물량 감지기는 전면글래스에 부딪히는 빗물의 충격에 의하여 빗물의 량을 감지하는 동시에 감지된 신호를 전기신호로 변환시킨다.In addition, the inert rainwater quantity sensor detects the amount of rainwater by the impact of the rainwater hitting the front glass and simultaneously converts the detected signal into an electrical signal.
또한, 상기 광굴절식 빗물량 감지기는 전면글래스에 빛을 조사하는 동시에 조사된 빛의 굴절량에 따라 빗물의 량과 글래스의 오염정도를 판단하는 감지장치이다.In addition, the light refractive rainwater detector is a detection device for determining the amount of rainwater and the degree of contamination of the glass according to the amount of refraction of the irradiated light while irradiating the front glass with light.
상기 습도 감지기는 전면글래스 표면의 습도를 감지하여 이를 전기신호로 변환하는 바, 습도량를 감지하여 글래스에 습기만 있는 경우를 판단한다.The humidity sensor detects the humidity of the front glass surface and converts it to an electric signal, thereby determining the case where there is only moisture in the glass by sensing the amount of humidity.
상기 광량 감지기는 낮, 새벽, 저녁, 밤등을 판별하기 위한 빛의 조도를 감지하고, 이를 전기신호로 변환시키는 장치로서, 빛의 양에 따라 적절한 와이퍼블레이드의 속도를 결정하기 위한 장치이다.The light detector is a device for detecting the illumination of the light for discriminating day, dawn, evening, night, etc., and converts it into an electric signal, and is a device for determining an appropriate speed of the wiper blade according to the amount of light.
상기 닦임속도 측정기는 본 발명의 와이퍼 제어 시스템에서 명령한 와이퍼 블레이드의 닦임속도와의 오차를 비교하기 위하여 실제 전면글래스에 대한 와이퍼 블레이드의 닦임속도를 감지한다.The wiping speed detector detects the wiping speed of the wiper blade with respect to the actual front glass in order to compare an error with the wiping speed of the wiper blade commanded by the wiper control system of the present invention.
상술한 바와 같은 감지부(100)는 데이타 처리부(200)와 연결되는 바, 상기 테이타 처리부(200)는 코드신호 발생기와, 데이타베이스와, 비교 명령기로 구성된다.The sensing unit 100 as described above is connected to the data processing unit 200. The data processing unit 200 includes a code signal generator, a database, and a comparison commander.
따라서, 상기 감지부(100)의 각 감지기 및 측정기에서 감지된 전기신호를 상기 코드신호 발생기에서 수신하여, 디지탈 코드 신호로 변환시켜준다.Accordingly, the code signal generator receives the electrical signals sensed by the detectors and measuring devices of the detector 100 and converts them into digital code signals.
한편, 상기 데이타베이스에는 실제 주변환경 상황(빗물의 량, 광량, 풍속, 습도등)에 맞게 전면글래스에 대한 와이퍼 블레이드의 속도등이 상기 감지부(100)의 각 감지기와 측정기의 독립적인 시험을 통하여 데이타화되어 저장되어 있다.On the other hand, in the database, the speed of the wiper blade with respect to the front glass according to the actual environmental conditions (rainwater quantity, light quantity, wind speed, humidity, etc.), the independent test of each sensor and the measuring unit of the detector 100. Data is stored through.
따라서, 상기 코드신호 발생기에서 변환된 디지탈 코드 신호는 상기 데이타베이스의 저장된 데이타와 함께 상기 비교 명령기에서 비교 연산되는 동시에 비교명령기는 와이퍼블레이드의 최적 닦임속도등을 결정하게 된다.Accordingly, the digital code signal converted by the code signal generator is compared with the stored data of the database by the comparison command, and the comparison command determines the optimum wiping speed of the wiper blade.
한편, 상기와 같은 데이타 처리부(200)는 구동부(300)와 연결되는데, 이 구동부(300)는 비교기와, 펄스 발생기와, 전원발생기로 구성된다.On the other hand, the data processor 200 as described above is connected to the driver 300, the driver 300 is composed of a comparator, a pulse generator, and a power generator.
이때, 상기 구동부(300)의 비교기는 상기 감지부(100)의 닦임속도 측정기에서 감지된 현재 와이퍼블레이드의 작동속도 신호와 상기 비교명령기에서 결정된 와이퍼 블레이드의 최적 닦임속도를 비교하여 그 오차량을 계산한다.In this case, the comparator of the driving unit 300 compares the operating speed signal of the current wiper blade detected by the wiping speed measuring device of the sensing unit 100 with the optimum wiping speed of the wiper blade determined by the comparator and calculates an error amount thereof. Calculate
다음으로, 상기 펄스 발생기에서 상기 데이타처리부의 비교명령기로부터 명령받은 와이퍼블레이드의 최적 구동속도신호와 상기 비교기의 닦임속도 오차량 신호를 계산하여 적정의 와이퍼블레이드 구동속도 전류신호를 전원발생기에 보낸다.Next, the pulse generator calculates an optimum drive speed signal of the wiper blade commanded by the comparison commander of the data processing unit and a wipe speed error amount signal of the comparator, and sends an appropriate wiper blade drive speed current signal to the power generator.
이어서, 상기 전원발생기에서 펄스 발생기의 전류신호에 따라 와이퍼 구동모터에 구동전류를 보냄에 따라, 와이퍼 블레이드가 주변환경 조건에 맞는 속도로 구동된다.Subsequently, as the power generator sends a drive current to the wiper drive motor in accordance with the current signal of the pulse generator, the wiper blade is driven at a speed suitable for the ambient environment conditions.
이상에서 본 바와 같이, 본 발명에 따른 자동차용 와이퍼 제어 시스템에 의하면 전면글래스에 대한 와이퍼블레이드의 구동속도를 주변환경에 꼭 맞는 최적의 속도로 자동 구동되도록 제어함으로써, 운전자의 시계를 확보하며 편의성을 증대시킬 수 있는 효과가 있다.As described above, according to the automotive wiper control system according to the present invention by controlling the drive speed of the wiper blades for the front glass to be automatically driven at the optimum speed that fits the surrounding environment, to secure the driver's watch There is an effect that can be increased.
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2000-0043443A KR100375378B1 (en) | 2000-07-27 | 2000-07-27 | Automatic control system of wiper for automobile |
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| KR10-2000-0043443A KR100375378B1 (en) | 2000-07-27 | 2000-07-27 | Automatic control system of wiper for automobile |
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| KR100375378B1 true KR100375378B1 (en) | 2003-03-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101878118B1 (en) * | 2018-01-08 | 2018-07-12 | 길기연 | Bus with front window improving driver's view through washer function and auto awning function |
| US10780883B2 (en) | 2017-11-21 | 2020-09-22 | Ford Global Technologies, Llc | Precipitation detection |
| US11718272B2 (en) | 2017-11-21 | 2023-08-08 | Yu Xu | Windscreen wiper smart control method and apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030000059A (en) * | 2001-06-22 | 2003-01-06 | 기아자동차주식회사 | Vehicle wiper driving device |
| CN106864413A (en) * | 2017-03-29 | 2017-06-20 | 上海华章信息科技有限公司 | The control device and method of a kind of rain brush |
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| JPH02136953A (en) * | 1988-11-17 | 1990-05-25 | Nec Corp | Terminal equipment |
| KR970020775A (en) * | 1995-10-18 | 1997-05-28 | 배순훈 | Wiper purge control |
| KR19980025856U (en) * | 1996-11-04 | 1998-08-05 | 박병재 | Vehicle wiper automatic control |
| KR20000023243A (en) * | 1998-09-19 | 2000-04-25 | 요한 요트너,헤르베르트 코네감프 | Windshield wiper for an automobile |
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| JPH02136953A (en) * | 1988-11-17 | 1990-05-25 | Nec Corp | Terminal equipment |
| KR970020775A (en) * | 1995-10-18 | 1997-05-28 | 배순훈 | Wiper purge control |
| KR19980025856U (en) * | 1996-11-04 | 1998-08-05 | 박병재 | Vehicle wiper automatic control |
| KR20000023243A (en) * | 1998-09-19 | 2000-04-25 | 요한 요트너,헤르베르트 코네감프 | Windshield wiper for an automobile |
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| US10780883B2 (en) | 2017-11-21 | 2020-09-22 | Ford Global Technologies, Llc | Precipitation detection |
| US11718272B2 (en) | 2017-11-21 | 2023-08-08 | Yu Xu | Windscreen wiper smart control method and apparatus |
| KR101878118B1 (en) * | 2018-01-08 | 2018-07-12 | 길기연 | Bus with front window improving driver's view through washer function and auto awning function |
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| KR20020009891A (en) | 2002-02-02 |
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