KR100462745B1 - Safety device in case of vehicle rollover - Google Patents

Safety device in case of vehicle rollover Download PDF

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Publication number
KR100462745B1
KR100462745B1 KR1019960079621A KR19960079621A KR100462745B1 KR 100462745 B1 KR100462745 B1 KR 100462745B1 KR 1019960079621 A KR1019960079621 A KR 1019960079621A KR 19960079621 A KR19960079621 A KR 19960079621A KR 100462745 B1 KR100462745 B1 KR 100462745B1
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KR
South Korea
Prior art keywords
rolling
vehicle
degree
degrees
safety device
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KR1019960079621A
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Korean (ko)
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KR19980060265A (en
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심양진
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현대자동차주식회사
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Priority to KR1019960079621A priority Critical patent/KR100462745B1/en
Publication of KR19980060265A publication Critical patent/KR19980060265A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/13—Roll-over protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
    • B60J1/12—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0018—Roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01013—Means for detecting collision, impending collision or roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R2021/01306—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over monitoring vehicle inclination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

본 발명은 차량 전복사고시 안전장치에 관한 것으로서, 차체의 롤링 정도를 소정 각도 단위로 감지할 수 있는 롤링센서(3)와, 이 롤링센서(3)의 기울기 신호 접점에 연결되어 차량의 롤링 정도를 감지하고 소정 각도 단계별로 도어 록, 파우어 윈도우 스위치 업, 루프 에어백 점화를 수행하는 액츄에이터 구동신호를 발생하는 전자제어장치(10)를 포함한다. 본 발명에 의하면 차량이 전복되기전 차체의 롤링 정도를 감지하여 소정 각도의 단계별로 차문 및 창문을 닫고 천장에 설치된 루프 에어백을 작동시키는 일련의 동작을 수행하게 함으로써 차량 전복사고시 인체의 손상을 최소화 시킬 수 있는 장점이 있다.The present invention relates to a safety device for a vehicle rollover accident, and a rolling sensor (3) capable of detecting the rolling degree of the vehicle body by a predetermined angle unit, and connected to the inclination signal contact of the rolling sensor (3) to adjust the rolling degree of the vehicle. And an electronic controller 10 that detects and generates an actuator drive signal for performing door lock, power window switch up, and loop airbag ignition at predetermined angle steps. According to the present invention, by detecting a rolling degree of the vehicle body before the vehicle is overturned, by closing a car door and a window at a predetermined angle and performing a series of operations of operating a roof airbag installed on the ceiling, the human body can be minimized in case of a vehicle overturn accident. There are advantages to it.

Description

차량 전복사고시 안전장치Safety device in case of vehicle rollover

본 발명은 차량 전복사고시 안전장치에 관한 것이며, 특히 차량의 롤링 각도를 감지하여 소정의 기울기 마다 승객을 보호할 수 있는 장치의 동작을 자동으로 수행하게 만드는 차량 전복사고시 안전장치에 관한 것이다.The present invention relates to a safety device for a vehicle overturn accident, and more particularly, to a vehicle overturn accident safety device that automatically detects a rolling angle of a vehicle and performs an operation of a device capable of protecting a passenger at every predetermined inclination.

일반적으로 자동차의 승객 안전장치로서 대표적으로 시트 벨트 장치와 에어백 장치를 예로 들 수 있으나 차량 전복사고와 같은 특수한 상황에서 차량에 탑승한 사람의 신체를 보호해 주는 안전장치의 개발이 미흡하여 이에 대한 연구가 시급히 요청되고 있다.Generally, seat belt devices and airbag devices are typical examples of passenger safety devices for automobiles. However, there is a lack of development of safety devices that protect the body of a person in a vehicle in a special situation such as a vehicle rollover. Is urgently requested.

본 발명은 충돌 등의 원인에 의한 차량의 전복사고시 탑승자의 신체 손상부위를 연구한 결과 차량이 완전히 전복되기 전에 탑승자의 무의식적인 도어 개방 및 창문 밖 탈출시도에 의해 차량 밖의 물체와 신체가 부딪혀 2차 손상을 입게 되거나 사망하게 된다는 사실에 기초하고 있다.The present invention is to study the body damage of the occupant in the event of the vehicle overturning due to a collision, etc. before the vehicle is completely overturned by the unconscious door opening and escape of the window of the occupant before the vehicle is completely overturned secondary It is based on the fact that you will be damaged or die.

따라서, 본 발명의 목적은 차량이 전복되기전 차체의 롤링 정도를 감지하여 소정 각도의 단계별로 차문 및 창문을 닫고 천장에 설치된 루프 에어백을 작동시키는 일련의 동작을 수행하게 함으로써 차량 전복사고시 인체의 손상을 최소화 시킬 수 있는 안전장치를 제공하는 데 있다.Accordingly, an object of the present invention is to detect the degree of rolling of the vehicle body before the vehicle is overturned to perform a series of operations to close the car doors and windows at a predetermined angle and to operate the roof airbag installed on the ceiling to damage the human body when the vehicle is overturned. To provide a safety device that can minimize the risk.

본 발명에 따르면, 차체의 롤링 정도를 소정 각도 단위로 감지할 수 있는 롤링센서와, 이 롤링센서의 기울기 신호 접점에 연결되어 차량의 롤링 정도를 감지하고 소정 각도 단계별로 도어 록, 파우어 윈도우 스위치 업, 루프 에어백 점화를 수행하는 액츄에이터 구동신호를 발생하는 전자제어장치를 구비한 차량 전복사고시 안전장치가 제공된다.According to the present invention, a rolling sensor that can detect the rolling degree of the vehicle body by a predetermined angle unit, and connected to the inclination signal contact of the rolling sensor to detect the rolling degree of the vehicle, door lock, door window switch up by a predetermined angle step A safety device in a vehicle overturn accident with an electronic control device for generating an actuator drive signal for performing a loop airbag ignition is provided.

본 발명의 양호한 실시예에서, 상기 롤링센서는 고리형 브라켓과 그 내부에 전기적인 스위치를 형성하는 하나의 가동접점과 다수 고정접점으로 이루어지고, 상기 다수의 고정접점은 고리형 브라켓 내주면을 따라 방사상으로 45도 각도마다 형성되고, 상기 가동접점은 상기 고리형 브라켓 중심을 관통하는 샤프트에 힌지 결합되고 상기 각 고정접점에 접촉가능하게 형성된 무게추 접점으로 구성된다.In a preferred embodiment of the present invention, the rolling sensor is composed of one movable contact and a plurality of stationary contacts forming an annular bracket and an electrical switch therein, the plurality of stationary contacts radially along an inner circumferential surface of the annular bracket. It is formed every 45 degrees, the movable contact is hinged to the shaft passing through the center of the annular bracket consists of a weight contact formed to be in contact with each of the fixed contact.

또한 상기 다수의 고정접점은 좌우 동일한 각도별로 전기적으로 공통접속되고 전기도선에 의해 각각 전자제어장치의 입력단에 연결된다. 또한, 상기 전자제어장치의 출력단은 자동차의 도어 록 스위치 구동회로, 파우어 윈도우 콘트롤러, 루프 에어백 장치 및 경음기 스위치 작동회로에 연결된다.In addition, the plurality of fixed contacts are electrically connected to each other at the same left and right angles, and are connected to input terminals of the electronic controller by electrical wires. In addition, the output terminal of the electronic controller is connected to a door lock switch driving circuit, a power window controller, a loop airbag device, and a horn switch operating circuit of a vehicle.

이하 첨부도면을 참고로 본 발명의 일 실시예에 대하여 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1을 참조하면, 본 발명에 따른 차량 전복사고시 안전장치의 전체 시스템이 도시되어 있다. 본 발명의 안전장치는 차체의 롤링 정도를 소정 각도 단위로 감지할 수 있는 롤링센서(3)와, 이 롤링센서(3)의 기울기 신호 접점에 연결되어 차량의 롤링 정도를 감지하고 소정 각도 단계별로 도어 록, 파우어 윈도우 스위치 업, 루프 에어백 점화를 수행하는 액츄에이터 구동신호를 발생하는 전자제어장치(10)를 포함한다.Referring to Figure 1, there is shown the entire system of the safety device for a vehicle overturn accident according to the present invention. The safety device of the present invention is connected to the rolling sensor 3 that can detect the rolling degree of the vehicle body by a predetermined angle unit, and the inclination signal contact of the rolling sensor 3 to detect the rolling degree of the vehicle and the predetermined angle step And an electronic control device (10) for generating an actuator drive signal for performing door lock, power window switch up, and loop airbag ignition.

도 1에서, 상기 롤링센서(3)는 고리형 브라켓(5)과 그 내부에 전기적인 스위치를 형성하는 하나의 가동접점(8)과 다수 고정접점(9)으로 이루어지고, 상기 다수의 고정접점(9)은 고리형 브라켓(5)의 내주면을 따라 방사상으로 45도 각도마다 형성되어 있다. 또한 상기 가동접점(8)은 상기 고리형 브라켓 중심을 관통하는 샤프트(6)에 힌지 결합되고 상기 방사상 고정접점(9)에 접촉가능하게 스프링으로 지지되고 무게추를 가진 접점으로 구성된다.In FIG. 1, the rolling sensor 3 consists of an annular bracket 5 and one movable contact 8 and a plurality of fixed contacts 9 forming an electrical switch therein, and the plurality of fixed contacts. Numeral 9 is formed radially at an angle of 45 degrees along the inner circumferential surface of the annular bracket 5. The movable contact 8 also consists of a contact which is hinged to the shaft 6 penetrating the center of the annular bracket and is spring-supported and weighted to be in contact with the radial stationary contact 9.

상기 다수의 고정접점(9)은 수직선을 기준으로 45도, 90도, 135도, 180도 위치에 배치되고 좌우 대칭의 접점이 전기적으로 공통접속되어 전기도선(a,b,c,d)을 통해 각각 전자제어장치(10)의 입력단에 연결된다. 또한, 상기 전자제어장치(10)의 출력단은 공지된 자동차의 도어 록 스위치 구동회로, 파우어 윈도우 콘트롤러, 루프 에어백 장치 및 경음기 스위치 작동회로에 연결된다.The plurality of stationary contacts 9 are disposed at 45 degrees, 90 degrees, 135 degrees, and 180 degrees with respect to the vertical line, and the left and right symmetrical contacts are electrically connected to each other so that the electrical wires a, b, c, and d are connected. Each is connected to the input terminal of the electronic control device 10 through. In addition, the output terminal of the electronic controller 10 is connected to a door lock switch driving circuit, a power window controller, a loop airbag device and a horn switch operating circuit of a known vehicle.

위와 같은 구성의 안전장치에서, 상기 전자제어장치(10)의 동작을 도 2의 플로우 차트를 참고하여 설명하면 다음과 같다.In the safety device of the above configuration, the operation of the electronic control device 10 will be described with reference to the flow chart of FIG.

전자제어장치(10)가 롤링센서(3)로 부터 차량의 롤링 각이 45도 인것을 감지하게 되면 출력단에서 도어 록 스위치를 온 시키는 릴레이를 구동한다. 차량의 모든 도어가 잠겨짐에 의해 승객이 무의식적으로 도어를 개방하는 것을 금지시킨다.또한 전자제어장치(10)가 차량의 롤링 각이 45도를 지나 90도로 된 것을 감지하면 출력단에서 파우어 윈도우 콘트롤러의 올 윈도우 업 스위치를 온 시키는 릴레이를 구동하여 차량의 모든 창문을 일시에 닫게 만든다. 창문이 닫혀짐에 의해 승객의 팔 부분 또는 머리부분이 차창 밖으로 밀려나는 것을 방지할 수 있다.When the electronic control apparatus 10 detects that the rolling angle of the vehicle is 45 degrees from the rolling sensor 3, the electronic controller 10 drives a relay to turn on the door lock switch at the output stage. All doors of the vehicle are locked to prohibit the passenger from unintentionally opening the door. Also, if the electronic control unit 10 detects that the vehicle's rolling angle is 45 degrees to 90 degrees, the power stage window controller A relay that turns on the All Window Up switch turns all windows on the vehicle closed at once. Closing the window can prevent the passenger's arm or head from being pushed out of the car window.

한편, 차량의 롤링 각이 90도를 지나 135도로 기울게 됨을 감지하면 출력단에서 루프 에어백을 점화시키는 신호를 발생한다. 따라서, 차량 전복 직전에 자동차 천장에 설치되어 있는 에어백이 팽창되어 승객의 머리부분을 보호해 줄 수 있다.On the other hand, if the rolling angle of the vehicle is detected to be inclined 135 degrees through 90 degrees, the output stage generates a signal to ignite the loop airbag. Therefore, the airbag installed on the ceiling of the vehicle immediately before the vehicle overturns can be inflated to protect the head of the passenger.

또한, 차량의 롤링 각이 135도를 지나 180도로 전도되었음을 감지하면 출력단에서 경음기 릴레이를 온 시키는 신호를 발생하여 경음기를 작동시킨다. 차량의 경음기가 울리면 주위로 널리 사고 발생을 알려 구원을 요청할 수 있다.In addition, when detecting that the rolling angle of the vehicle has been conducted 180 degrees through 135 degrees, the output stage generates a signal to turn on the horn relay to operate the horn. If the car's horn sounds, you can call for salvation by notifying you of the accident.

이상 설명한 바와 같이 본 발명에 의하면, 차량이 전복되는 과정에서 순간적으로 차체의 롤링 각도를 감지하여 소정 각도 단계별로 차문 및 창문을 닫고 천장에 설치된 루프 에어백을 작동시키는 일련의 동작을 수행함으로써 차량 전복사고시 탑승객의 안전을 최대로 보장해 줄 수 있는 각별한 효과가 있다.As described above, according to the present invention, when the vehicle is overturned, the vehicle is overturned by sensing a rolling angle of the vehicle body and performing a series of operations of closing the car doors and windows at a predetermined angle step and operating a roof airbag installed on the ceiling. There is a special effect that can ensure maximum passenger safety.

도 1은 본 발명에 따른 안전장치의 시스템 구성도.1 is a system configuration of the safety device according to the present invention.

도 2는 도 1의 전자제어장치의 동작을 나타내는 플로우 차트.FIG. 2 is a flowchart illustrating the operation of the electronic controller of FIG. 1.

<도면의 주요부분에 대한 부호의 설명><Description of Symbols for Main Parts of Drawings>

3 : 롤링 센서 5 : 고리형 브라켓3: rolling sensor 5: annular bracket

6 : 샤프트 7 : 힌지6: shaft 7: hinge

8 : 무게추 접점 9 : 고정접점8: Weight contact 9: Fixed contact

10: 전자제어장치10: electronic controller

Claims (3)

차체의 롤링 정도를 45도, 90도, 135도, 180도 각도 단위로 감지할 수 있는 롤링 센서와, 이 롤링 센서의 기울기 신호 접점에 연결되어 차량의 롤링 정도를 감지하고 롤링 각이 45도이면 도어 록, 롤링 각이 90도이면 파우어 윈도우 스위치 업, 롤링 각이 135도이면 루프 에어백 점화, 180도이면 경음기 온을 수행하는 액츄에 이터 구동신호를 발생하는 전자제어장치를 구비한 것을 특징으로 하는 차량 전복사고시 안전장치.A rolling sensor that can detect the degree of rolling of the body in 45 degree, 90 degree, 135 degree, 180 degree angle units, and connected to the tilt signal contact of this rolling sensor to detect the degree of rolling of the vehicle and the rolling angle is 45 degrees It is equipped with an electronic control device for generating an actuator drive signal for door lock, a power window switch-up when the rolling angle is 90 degrees, a loop airbag ignition when the rolling angle is 135 degrees, and an horn on when the rolling angle is 180 degrees. Safety device in case of vehicle rollover. 제 1 항에 있어서, 상기 롤링 센서는 고리형 브라켓과 그 내부에 전기적인 스위치를 형성하는 하나의 가동접점과 다수의 고정접점으로 이루어지고, 상기 다수의 고정접점은 고리형 브라켓 내주면을 따라 방사상으로 45도 각도마다 형성되고, 상기 가동접점은 상기 고리형 브라켓 중심을 관통하는 샤프트에 힌지 결합되고 상기 각 고정접점에 접촉가능하게 형성된 무게추 접점으로 구성되는 것을 특징으로 하는 차량 전복사고시 안전장치.2. The rolling sensor of claim 1, wherein the rolling sensor comprises an annular bracket and one movable contact and a plurality of stationary contacts forming an electrical switch therein, the plurality of stationary contacts radially along an inner circumferential surface of the annular bracket. It is formed at an angle of 45 degrees, wherein the movable contact is hinged to the shaft passing through the center of the annular bracket, the safety device for a vehicle overturn accident, characterized in that consisting of a weight contact formed to be in contact with each fixed contact. 제 2 항에 있어서, 상기 다수의 고정접점은 좌우 동일한 각도별로 전기적으로 공통접속되고 전기도선에 의해 각각 전자제어장치의 입력단에 연결되며, 상기 전자제어장치의 출력단은 자동차의 도어 록 스위치 구동회로, 파우어 윈도우콘트롤러, 루프 에어백 장치 및 경음기 스위치 작동회로에 각각 연결되는 것을 특징으로 하는 차량 전복사고시 안전장치.The method of claim 2, wherein the plurality of fixed contacts are electrically connected to each other at the same left and right angles, and are connected to input terminals of the electronic control apparatus by electric wires, respectively, and the output terminals of the electronic control apparatus are door lock switch driving circuits of automobiles, Safety device for vehicle rollover, characterized in that connected to the power window controller, the roof airbag device and the horn switch operation circuit, respectively.
KR1019960079621A 1996-12-31 1996-12-31 Safety device in case of vehicle rollover KR100462745B1 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
KR1019960079621A KR100462745B1 (en) 1996-12-31 1996-12-31 Safety device in case of vehicle rollover

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184514A (en) * 1984-10-02 1986-04-30 Omron Tateisi Electronics Co Inclination sensor
KR940007539A (en) * 1992-09-30 1994-04-27 프랑크 엠 사죠벡 Tilt angle and acceleration sensor
KR960007314A (en) * 1994-08-31 1996-03-22 김태구 Rear passenger airbag device
KR19980043309A (en) * 1996-12-02 1998-09-05 박병재 Vehicle safety system control device
KR19980055171A (en) * 1996-12-28 1998-09-25 김영귀 Roof airbag device of vehicle and its operation method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184514A (en) * 1984-10-02 1986-04-30 Omron Tateisi Electronics Co Inclination sensor
KR940007539A (en) * 1992-09-30 1994-04-27 프랑크 엠 사죠벡 Tilt angle and acceleration sensor
KR960007314A (en) * 1994-08-31 1996-03-22 김태구 Rear passenger airbag device
KR19980043309A (en) * 1996-12-02 1998-09-05 박병재 Vehicle safety system control device
KR19980055171A (en) * 1996-12-28 1998-09-25 김영귀 Roof airbag device of vehicle and its operation method

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