KR20040098268A - Device for controlling rotation angle of automobile horn - Google Patents

Device for controlling rotation angle of automobile horn Download PDF

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Publication number
KR20040098268A
KR20040098268A KR1020030030576A KR20030030576A KR20040098268A KR 20040098268 A KR20040098268 A KR 20040098268A KR 1020030030576 A KR1020030030576 A KR 1020030030576A KR 20030030576 A KR20030030576 A KR 20030030576A KR 20040098268 A KR20040098268 A KR 20040098268A
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South Korea
Prior art keywords
horn
rotation angle
vehicle
steering wheel
angular velocity
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KR1020030030576A
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Korean (ko)
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권효선
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현대자동차주식회사
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Priority to KR1020030030576A priority Critical patent/KR20040098268A/en
Publication of KR20040098268A publication Critical patent/KR20040098268A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • B60W40/072—Curvature of the road
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/18—Steering angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/30—Road curve radius
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Transportation (AREA)
  • Acoustics & Sound (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

PURPOSE: A right and left rotation angle adjustment device of a horn for a vehicle is provided to reduce an accident caused by contact with a person or cattle in front of the vehicle by making the horn automatically rotate according to the rotation angle of a steering wheel. CONSTITUTION: A right and left rotation angle adjustment device(100) of a horn(101) for a vehicle is fixed to the front of a vehicle body, to warn an object or a person in front of the vehicle of peripheral circumstances. When the vehicle travels on a curved road, the right and left rotation angle adjustment device of the horn senses the rotation angle of a steering wheel from a steering wheel-angular velocity sensor(121) and adjusts the rotation angle of the horn, to make the rotation direction of wheels and the direction of a sound produced from the horn coincide. The right and left rotation angle adjustment device of the horn comprises a horn-mounting member(103) rotating right and left around a hinge point of the center part; rack gears(107,109) fastened to the side parts of the lower end of the horn-mounting member; pinion gears(111,111') engaging with the rack gears; motors(113,113') operating each pinion gear; the steering wheel-angular velocity-sensing part sensing the rotation angle of the steering wheel of the rotating vehicle; and an ECU(Electronic Control Unit,119) receiving a signal transmitted from the steering wheel-angular velocity-sensing part and driving the motors in a right or reverse direction if the rotation angle of the steering wheel is inclined.

Description

자동차 혼의 좌우 회전각도 조절장치{Device for controlling rotation angle of automobile horn}Device for controlling rotation angle of automobile horn}

본 발명은 자동차 혼(Horn)에 관한 것으로, 특히 혼의 회전각도를 조절할 수 있도록 하여 커브길 등의 주행시에 차량바퀴의 회전방향과 혼에서 나가는 소리의 방향이 일치되도록 한 자동차 혼의 좌우 회전각도 조절장치에 관한 것이다.The present invention relates to an automobile horn, and in particular, to adjust the angle of rotation of the horn so that the rotation direction of the vehicle wheel and the direction of the sound coming out of the horn when driving the curve road, etc., the device for adjusting the left and right rotation angle It is about.

도 1 은 종래의 자동차 혼의 부착상태를 도시한 사시도이고, 도 2 는 차량 주행시의 회전방향에 따라 혼에서 발생된 소리가 전달되는 방향을 도시한 개략도이다.1 is a perspective view showing a state of attachment of a conventional vehicle horn, Figure 2 is a schematic diagram showing the direction in which the sound generated in the horn is transmitted in accordance with the rotation direction when the vehicle is running.

종래의 자동차 혼(53)은 도시된 바와 같이, 차체 프레임(51)에 결착부재(55)에 고정되어 있어 자동차 스티어링 휠의 회전방향과는 무관하게 혼의 작동시 차량의 전방으로만 소리가 전달된다. 따라서 차량이 커브길 등을 주행하여 회전할 때는 위급상황을 알리기 위해 혼을 작동시키더라도 주행하는 방향으로 혼의 경적소리가 제대로 전달되지 못하는 문제점이 있었다.As shown in the related art, the vehicle horn 53 is fixed to the fastening member 55 on the vehicle body frame 51 so that sound is transmitted only to the front of the vehicle during operation of the horn regardless of the rotation direction of the vehicle steering wheel. . Therefore, when the vehicle rotates by driving on a curve road, there is a problem that the horn sound of the horn is not properly transmitted even when the horn is operated to inform the emergency situation.

즉, 도 2 에 도시된 바와 같이 종래에는 차량의 바퀴(61)가 회전하는 방향(67)과 차체에 장착된 혼(63)에서 발생된 소리의 전달방향(65)이 서로 일치하지 않으며, 이로 인해 차량(60)의 전방에 위치한 사람이나 우마 들이 전진해 오는 차량의 혼(63)에서 발생된 경적이 통상 주위에서 발생된 소리로 착각하여 주의를 기울이지 않게 된다.That is, as shown in FIG. 2, the direction 67 of rotation of the wheel 61 of the vehicle and the transmission direction 65 of sound generated from the horn 63 mounted to the vehicle body do not coincide with each other. Due to this, the horn generated from the horn 63 of the vehicle in which the person or the horses located in front of the vehicle 60 moves forward is usually mistaken for sound generated from the surroundings, so that attention is not paid.

따라서，본 발명은 상기와 같은 종래의 문제점을 해결하기 위한 것으로, 차량의 회전주행과 함께 차량의 전방 자체 프레임에 결착된 혼이 스티어링 휠의 회전각도에 따라 자동으로 회전되도록 하여 바퀴의 회전방향과 혼에서 나가는 소리의방향이 일치되도록 함으로써 차량 전방의 사람이나 우마들과의 접촉으로 인한 안전사고의 발생을 줄일 수 있는 자동차 혼의 좌우 회전각도 조절장치를 제공하는 것을 목적으로 한다.Accordingly, the present invention is to solve the above-mentioned problems, the horn is fixed to the frame itself in front of the vehicle along with the rotation of the vehicle to automatically rotate in accordance with the rotation angle of the steering wheel and the direction of rotation of the wheel It is an object of the present invention to provide a device for adjusting the left and right rotation angles of a car horn that can reduce the occurrence of a safety accident caused by contact with a person or a horse in front of the vehicle by matching the direction of the sound exiting from the horn.

도 1 은 종래의 자동차 혼의 부착상태를 도시한 사시도,1 is a perspective view showing an attachment state of a conventional automobile horn,

도 2 는 차량 주행시의 회전방향에 따라 혼에서 발생된 소리가 전달되는 방향을 도시한 개략도,2 is a schematic diagram showing a direction in which sound generated in a horn is transmitted in accordance with a rotational direction when a vehicle is driven;

도 3 은 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치의 구성을 도시한 도면,3 is a view showing the configuration of the left and right rotation angle adjusting device of the vehicle horn according to the present invention;

도 4 는 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치의 작동 상태를 도시한 도면임.Figure 4 is a view showing the operating state of the left and right rotation angle adjustment device of the vehicle horn according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

53,63, 101 : 차량 혼 51 : 차체53, 63, 101: vehicle horn 51: body

61 : 바퀴 107,109 : 랙61: wheels 107,109: rack

111,112 : 피니언기어 113 : 모터111,112: Pinion gear 113: Motor

119 : ECU 121 : 스티어링 휠 각속도 감지센서119: ECU 121: steering wheel angular velocity detection sensor

상기 목적을 달성하기 위한 본 발명의 자동차 혼의 좌우 회전각도 조절장치는 차량이 커브길 등을 주행할 때 스티어링 휠 각속도 감지센서로부터 스티어링 휠의 회전각도를 감지하여 자동차의 혼의 회전각도가 조절되어 바퀴의 회전방향과 차체 전방에 장착된 혼에서 나가는 소리의 방향이 일치되도록 한 것을 특징으로 한다.The left and right rotation angle adjusting device of the vehicle horn of the present invention for achieving the above object is to detect the rotation angle of the steering wheel from the steering wheel angular velocity sensor when the vehicle travels on a curve road, etc. Characterized in that the direction of rotation and the direction of the sound coming out of the horn mounted in front of the vehicle body.

본 발명의 상기 자동차 혼의 좌우 회전각도 조절장치는 상부에 혼이 안착되고 중앙부의 힌지점을 중심으로 좌우로 회동되는 혼 장착부재와, 상기 혼 장착부재의 하단 양측 부위에 결착된 랙기어와, 상기 각 랙기어와 맞물려 회전하는 피니언기어와, 상기 각 피니언기어를 작동시키는 모터와, 회전하는 차량의 스티어링 휠의 회전각도를 감지하는 스티어링 휠 각속도 센서부와, 상기 스티어링 휠 각속도 센서부에서 전달된 신호를 받아 스티어링 휠의 회전각이 경사진 경우 상기 모터를 정방향 혹은 역방향으로 구동시키는 ECU 를 포함하는 구성으로 된다.The left and right rotation angle adjusting device of the vehicle horn of the present invention is a horn mounting member horn is seated on the upper side and pivoted left and right about the hinge point of the center, and rack gears fixed to both sides of the lower end of the horn mounting member, A pinion gear rotating in engagement with each rack gear, a motor for operating each pinion gear, a steering wheel angular velocity sensor unit for detecting a rotation angle of a steering wheel of a rotating vehicle, and a signal transmitted from the steering wheel angular velocity sensor unit In response to the rotation angle of the steering wheel inclined to receive a configuration that includes an ECU for driving the motor in the forward or reverse direction.

이하 첨부된 도면을 참조하여 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치의 적합한 실시예에 대해 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings it will be described in detail a preferred embodiment of the left and right rotation angle adjusting device of the vehicle horn according to the present invention.

도 3 은 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치(100)의 구성을 도시한 도면이다.3 is a view showing the configuration of the left and right rotation angle adjusting device 100 of the vehicle horn according to the present invention.

상기 도면을 참조하면, 본 발명의 자동차 혼의 좌우 회전각도 조절장치(100)는 혼(101)을 차체 프레임에 결착시키되 중앙의 힌지부(105)를 중심으로 회동되도록 결착시키고 있다.Referring to the drawings, the left and right rotation angle adjusting device 100 of the vehicle horn of the present invention is to bind the horn 101 to the body frame, but to rotate around the hinge portion 105 in the center.

즉, 본 발명의 자동차 혼의 좌우 회전각도 조절장치(100)는 혼(101)의 하부에 혼(101)을 그 상부에 안착시킬 수 있는 혼 장착부재(103)와, 상기 혼 장착부재(103)의 후방 좌,우측 하부면에 그 상측 단부가 맞닿음 결합하는 2개의 랙기어(107,109)와, 상기 각 랙기어(107,109)와 맞물려 회전하는 피니언기어(111,111′)와, 상기 피니언 기어(111,111′)를 작동시키는 모터(113,113′)와, 상기 모터(113,113′)를 선택적으로 작동시키는 ECU(119)로 구성된다.That is, the left and right rotation angle adjusting device 100 of the vehicle horn of the present invention is a horn mounting member 103 that can seat the horn 101 on the upper portion of the horn 101 and the horn mounting member 103 Two rack gears 107 and 109, the upper ends of which are in contact with the rear left and right lower surfaces of the rear wheel, the pinion gears 111 and 111 'which rotate in engagement with the rack gears 107 and 109, and the pinion gears 111 and 111'. Motors 113 and 113 'for activating) and ECU 119 for selectively operating the motors 113 and 113 ′.

상기 ECU(119)는 스티어링 휠의 각속도 감지 센서부(121)에서 측정된 신호를 받아 상기 모터(113,113′)로 전달하여 피니언기어(111,111′)의 회전각을 조절하게 된다. 이때 상기 ECU(119)로부터 모터(113,113′)에 이르기 까지 그 중간 과정에는 트랜지스터(117,117′)와 릴레이(115,115′) 등의 구성수단이 포함된다.The ECU 119 receives the signal measured by the angular velocity sensor 120 of the steering wheel and transmits the signal to the motors 113 and 113 ′ to adjust the rotation angle of the pinion gears 111 and 111 ′. At this time, the intermediate process from the ECU 119 to the motors 113 and 113 'includes constituent means such as transistors 117 and 117' and relays 115 and 115 '.

혼(101)이 상부에 안착되어 있는 상기 혼 장착부(103)는 그 하부 양측에 랙기어(107,109)의 상측단부와 예컨데, 힌지-핀 결합에 의해 맞닿음 결합되어 있으며, 이 결합부는 두 구성부재간의 연동관계를 형성하고 있다. 또한, 양측의 피니언기어(111,111′)는 그 중심축이 고정된 상태에서 회전이 이루어져 맞물려 있는 랙기어(107,109)를 상하 방향으로 이동시킨다. 따라서 상기 피니언기어(111,111′)는 상기 랙기어(107,108)를 혼 장착부의 힌지부(105)를 중심으로 교호적으로 움직이게 하므로 회전하는 방향과 회전수가 동일하게 된다.The horn mounting portion 103 on which the horn 101 is seated at the upper portion is coupled to the upper ends of the rack gears 107 and 109 on both sides of the lower portion thereof, for example, by hinge-pin coupling, and the coupling portion has two components. Interlocking relationship is formed. In addition, the pinion gears 111 and 111 ′ on both sides rotate in a state where the central axis is fixed to move the rack gears 107 and 109 engaged in the vertical direction. Accordingly, the pinion gears 111 and 111 ′ alternately move the rack gears 107 and 108 around the hinge portion 105 of the horn mounting portion, so that the rotation direction and the rotation speed are the same.

도 4 는 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치(100)의 작동상태를 도시한 개략도이다.Figure 4 is a schematic diagram showing an operating state of the left and right rotation angle adjustment device 100 of the vehicle horn according to the present invention.

(a) 도는 도면상에서 혼(101)이 그 중심축을 기준으로 좌측방향으로 움직이는 상태이다. 예컨데, 차량이 커브길을 따라 좌측방향으로 회전하게 되면, 스티어링 휠이 일정각도로 경사지게 되는데, 이 스티어링 휠의 회전각도를 스티어링 휠 각속도 감지 센서부(121)에서 감지하여 ECU(119)로 신호를 전달하고, ECU(119)는 전달받은 신호를 트랜지스터(117,117′)와 릴레이(115,115′)를 거쳐 모터(113,113′)로 보내어 모터(113,113′)가 작동되도록 한다. 즉 스티어링 휠의 회전각이 경사진 경우 상기 모터(113,113′)는 정방향 또는 역방향으로 구동하게 된다.(a) In the drawing, the horn 101 is moved leftward with respect to its central axis. For example, when the vehicle rotates to the left along the curve, the steering wheel is inclined at a predetermined angle, and the steering angle of the steering wheel is detected by the steering wheel angular velocity sensor 121 and a signal is transmitted to the ECU 119. The ECU 119 transmits the received signal to the motors 113 and 113 'through the transistors 117 and 117' and the relays 115 and 115 'to operate the motors 113 and 113'. That is, when the rotation angle of the steering wheel is inclined, the motors 113 and 113 'are driven in the forward or reverse direction.

모터(113,113′)에 의해 작동되는 두개의 피니언(111,111′)은 일측의 랙(109)을 상부로 밀어 올리고, 다른 일측의 랙(107)은 하부로 내려 오도록 하여 혼(101)이 좌측 방향으로 기울어지도록 한다. 이때 회동은 혼 장착부재(103)의 가운데 힌지부(105)를 중심으로 이루어진다.The two pinions 111 and 111 'operated by the motors 113 and 113' push up the rack 109 on one side to the top and the rack 107 on the other side to the bottom so that the horn 101 moves to the left. Make it tilt. At this time, the rotation is made to the center of the hinge portion 105 of the horn mounting member (103).

도면 (b) 는 스티어링 휠의 회전각도가 0 인 상태로서 차량이 직진으로 주행하는 상태이며, 이 경우 차량의 주행방향과 혼에서 나오는 소리의 방향이 일치하여 일직선상을 이루게 되며, 혼(101)의 경사각은 변하지 않는다.(B) is a state in which the steering wheel rotation angle is 0, the vehicle is traveling straight, in this case, the driving direction of the vehicle and the direction of the sound coming from the horn coincide in a straight line, the horn 101 The angle of inclination does not change.

또한 상기 도 (b)의 상태는 자동차가 커브길을 통과한 후 정상적인 도로를 다시 주행하게 되는 상태를 나타내며, 이 경우 ECU(119)에서 더 이상 전원을 인가하지 않음으로써 모터(113,113′)에 전압이 입력되지 않게 된다. 이때는 좌,우 방향으로 회전되었던 혼(101)은 정상적인 상태로 돌아온다.In addition, the state of FIG. 2 (b) indicates a state in which the vehicle runs on a normal road again after passing through a curved road, and in this case, voltage is applied to the motors 113 and 113 'by not applying power from the ECU 119 any more. Will not be entered. At this time, the horn 101 rotated in the left and right directions returns to a normal state.

도 (c) 는 혼(101)이 우측방향으로 기울어진 상태이다. 이 경우 피니언기어(111,111′)의 회전방향이 상기 도 (a)의 경우와는 반대가 된다.(C) is the state in which the horn 101 was inclined to the right direction. In this case, the rotation direction of the pinion gears 111 and 111 'is opposite to that in the case of FIG.

이상에서 설명한 바와 같이, 본 발명에 따른 자동차 혼의 좌우 회전각도 조절장치는 차량이 커브길 등을 주행할 때 스티어링 휠 각속도 센서로부터 스티어링 휠의 회전각도를 감지하여 자동차의 혼의 회전각도를 조절하도록 함으로써, 바퀴의 회전방향과 차체 전방에 장착된 혼에서 나가는 소리의 방향이 일치되어 회전방향의 전방에 위치한 물체 또는 사람 들에게 효과적으로 경고를 할 수 있게 되고, 이로 인해 접촉사고 등의 안전사고의 발생을 줄일 수 있다.As described above, the left and right rotation angle adjusting device of the vehicle horn according to the present invention by detecting the rotation angle of the steering wheel from the steering wheel angular velocity sensor when the vehicle is traveling on the curve, such as to adjust the rotation angle of the horn of the vehicle, The direction of rotation of the wheel and the direction of sound coming out of the horn mounted in front of the vehicle body can be matched to effectively warn objects or people in front of the direction of rotation, thereby reducing the occurrence of safety accidents such as contact accidents. Can be.

Claims (2)

차량의 전방의 차체에 고정되어 차량 전방의 물체나 사람에게 주의 상황을 알려주는 자동차 혼의 좌우 회전각도 조절장치에 있어서,In the left and right rotation angle adjusting device of the car horn fixed to the vehicle body in front of the vehicle to inform the person or object in front of the vehicle of the attention situation, 차량이 커브길 등을 주행할 때 스티어링 휠 각속도 감지센서로부터 스티어링 휠의 회전각도를 감지하여 자동차의 혼의 회전각도가 조절되어 바퀴의 회전방향과 차체 전방에 장착된 혼에서 나가는 소리의 방향이 일치되도록 한 것을 특징으로 자동차 혼의 좌우 회전각도 조절장치.When the vehicle is driving on a curve, the steering wheel angular velocity sensor detects the rotation angle of the steering wheel and adjusts the rotation angle of the horn so that the direction of rotation of the wheel matches the direction of the sound coming from the horn mounted in front of the vehicle body. Left and right rotation angle adjustment device of the car horn. 제 1 항에 있어서,The method of claim 1, 상기 자동차 혼의 좌우 회전각도 조절장치는 상부에 혼이 안착되고 중앙부의 힌지점을 중심으로 좌우로 회동되는 혼 장착부재와, 상기 혼 장착부재의 하단 양측 부위에 결착된 랙기어와, 상기 각 랙기어와 맞물려 회전하는 피니언기어와, 상기 각 피니언기어를 작동시키는 모터와, 회전하는 차량의 스티어링 휠의 회전각도를 감지하는 스티어링 휠 각속도 감지센서부와, 상기 스티어링 휠 각속도 감지센서부에서 전달된 신호를 받아 상기 스티어링 휠의 회전각이 경사진 경우 상기 모터를 정방향 혹은 역방향으로 구동시키는 ECU를 포함하는 것을 특징으로 하는 자동차 혼의 좌우 회전각도 조절장치.The left and right rotation angle adjusting device of the vehicle horn includes a horn mounting member in which a horn is seated on an upper portion and pivoted left and right about a hinge point of a central portion, rack gears which are attached to both side portions of the lower end of the horn mounting member, and each rack gear. And a pinion gear rotating in engagement with the motor, a motor for operating the respective pinion gears, a steering wheel angular velocity sensor for sensing a rotation angle of the steering wheel of the rotating vehicle, and a signal transmitted from the steering wheel angular velocity sensor. Receiving the angle of rotation of the steering wheel is inclined the angle of rotation of the vehicle horn, characterized in that it comprises an ECU for driving the motor in the forward or reverse direction.
KR1020030030576A 2003-05-14 2003-05-14 Device for controlling rotation angle of automobile horn KR20040098268A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103661163A (en) * 2012-09-21 2014-03-26 索尼公司 Mobile object and storage medium
US10913391B2 (en) 2018-08-20 2021-02-09 Beijing Xiaomi Mobile Software Co., Ltd. Horn assembly control method and vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990020879U (en) * 1997-11-28 1999-06-25 양재신 Vehicle Headlamp Steering
KR20000007740U (en) * 1998-10-08 2000-05-06 홍종만 Variable car horn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990020879U (en) * 1997-11-28 1999-06-25 양재신 Vehicle Headlamp Steering
KR20000007740U (en) * 1998-10-08 2000-05-06 홍종만 Variable car horn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103661163A (en) * 2012-09-21 2014-03-26 索尼公司 Mobile object and storage medium
US10913391B2 (en) 2018-08-20 2021-02-09 Beijing Xiaomi Mobile Software Co., Ltd. Horn assembly control method and vehicle

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