KR20060065618A - Embedded pavement driver-warning flashing lights - Google Patents

Embedded pavement driver-warning flashing lights Download PDF

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Publication number
KR20060065618A
KR20060065618A KR1020060046923A KR20060046923A KR20060065618A KR 20060065618 A KR20060065618 A KR 20060065618A KR 1020060046923 A KR1020060046923 A KR 1020060046923A KR 20060046923 A KR20060046923 A KR 20060046923A KR 20060065618 A KR20060065618 A KR 20060065618A
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South Korea
Prior art keywords
road
driver
warning light
prism
main
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KR1020060046923A
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Korean (ko)
Inventor
최준성
이규완
박원주
박은용
전경일
이상현
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한국유지관리 주식회사
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Priority to KR1020060046923A priority Critical patent/KR20060065618A/en
Publication of KR20060065618A publication Critical patent/KR20060065618A/en

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/576Traffic lines
    • E01F9/582Traffic lines illuminated
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/553Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
    • E01F9/559Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members illuminated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/022Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a floor or like ground surface, e.g. pavement or false floor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/02Refractors for light sources of prismatic shape
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Abstract

본 발명은 보행자의 안전을 위한 수단으로서 횡단보도(190) 전방에 위치하여 도로에 매립되어 발광되는 장치로서 금속 내지 내구성이 있는 여타의 재료로 성형된 원통형 베이스판(20)과 LED내지 할로겐램프(40)를 이용한 조명장치와 차륜하중에 유리한 평평한 구조를 가진 본체(10)로 이루어졌으며, 프리즘(70)에 의해 하나의 램프(40)를 이용하여 빛이 양방향으로 조사되도록 형상화된 것으로 횡단보도 신호기의 제어장치와 연동되어 작동함으로서 운전자에게 주의부여를 목적으로 설치되는 도로매립형 운전자 경고등이다.The present invention is located in front of the crosswalk 190 as a means for the safety of pedestrians buried in the road light emitting device is a cylindrical base plate 20 formed of metal or other durable material and LED to halogen lamps ( Comprised of a main body 10 having a flat structure advantageous to the lighting device and the wheel load using the 40, it is shaped to be irradiated in both directions by using a single lamp 40 by the prism 70 crosswalk signal It is a road-mounted driver warning light that is installed for the purpose of giving attention to the driver by operating in conjunction with the control device of the driver.

도로매립 경고등, 운전자 경고등, 도로매립등 Landfill warning light, driver warning light, roadfill

Description

도로매립형 운전자 경고등{Embedded pavement driver-warning flashing lights}Embedded pavement driver-warning flashing lights}

도 1은 본 발명에 따른 도로매립형 운전자 경고등의 평면도와 단면도를 나타낸 것이다.1 is a plan view and a cross-sectional view of a buried driver warning light according to the present invention.

도 2은 프리즘에 의한 빛의 굴절방향을 도식화한 도면이다.2 is a diagram illustrating the refraction direction of light caused by a prism.

도 3은 본 발명에 따른 도로매립형 운전자 경고등의 조립도를 나타낸 것이다.Figure 3 shows the assembly of the road-mounted driver warning light according to the invention.

도 4은 본 발명에 따른 도로매립형 운전자 경고등이 덧씌우기 시 사용가능하도록 보조베이스판이 추가된 조립도를 나타낸 것이다.Figure 4 shows an assembly view to which the auxiliary base plate is added so that it can be used when the road-mounted driver warning lights according to the present invention.

도 5은 본 발명에 따른 도로매립형 운전자 경고등의 덧씌우기 시의 시공된 단면도를 나타낸 것이다.Figure 5 shows the constructed cross-sectional view at the time of the overlay of the buried road driver warning light according to the present invention.

도 6은 쏠라셀과 축전지를 이용하여 전력이 공급되는 도로매립형 운전자 경고등의 일예를 나타낸 것이다.Figure 6 shows an example of a road-filled driver warning light is supplied power using the solar cell and the storage battery.

도 7은 배터리를 이용하여 전력이 공급되는 도로매립형 운전자 경고등의 또 다른 일예를 나타낸 것이다.Figure 7 shows another example of a road-mounted driver warning light is powered using a battery.

도 8은 본 발명에 따른 도로매립형 운전자 경고등이 유선방식으로 횡단보도에 설치되는 일실시 예를 나타낸 것이다.8 illustrates an embodiment in which the roadway embedded driver warning light according to the present invention is installed on a crosswalk in a wired manner.

도 9은 본 발명에 따른 도로매립형 운전자 경고등이 무선방식으로 횡단보도에 설치되는 일실시 예를 나타낸 것이다.Figure 9 illustrates an embodiment in which the road-mounted driver warning lights according to the invention is installed on the crosswalk in a wireless manner.

<도면의 주요부분에 대한 부호의 설명>   <Description of the symbols for the main parts of the drawings>

10 : 본체10: main body

20 : 베이스판20: base plate

30 : 노면30: road surface

40 : 램프40 lamp

50 : 본체와 조명장치 연결 나사50: main body and lighting device connecting screw

60 : 유리판60: glass plate

70 : 프리즘70: prism

80 : 본체와 베이스판 연결 나사80: main body and base plate connecting screw

90 : 보조베이스판90: auxiliary base plate

100 : 베이스판과 보조베이스판 연결 나사100: base plate and auxiliary base plate connecting screw

110 : 덧씌우기층110: overlay layer

120 : 쏠라셀120: solar cell

130 : 축전지130: storage battery

140 : 배터리140: battery

150 : 횡단보도 정지선150: pedestrian crossing stop line

160 : 본 발명에 따른 도로매립형 경고등160: landfill warning light according to the present invention

170 : 횡단보도 신호기170: pedestrian crossing signal

180 : 도로매립형 경고등 제어장치180: road buried warning light control device

190 : 횡단보도190: pedestrian crossing

200 : 도로매립형 경고등 제어 및 전력 배선200: road buried warning light control and power wiring

210 : 외형체210: outline

상기 본 발명은 횡단보도(190)에 설치되는 장치로서 운전자의 주의를 목적으로 발광에 의해 보행자의 안전을 높이는 도로매립형 운전자 경고등이다.The present invention is a device installed on the crosswalk 190 is a road-embedded driver warning light to increase the safety of pedestrians by light emission for the purpose of the driver's attention.

유사형태로는 도로 표지병이 있으나, 급커브구간 또는 중앙선에 주로 설치되며, 도로면으로부터 돌출되어 있어 주로 차륜이 닿지 않는 곳에 설치되는 장치이다. 또한, 표지병은 일반적으로 차량의 라이터에 의해 반사되는 형태와 태양열을 이용하여 자체 발광하는 형태가 있다. 이와는 달리 상기 본 발명은 중앙선이나 구획된 도로의 구획차선을 구분하기위해 사용되는 도로표지병과는 전혀 다른 개념의 장치로서 횡단보도(190)의 측면에 설치되어 운전자의 주의를 환기시켜 보행자의 안전을 확보하며, 차륜이 직접 닿는 횡단보도(190) 앞에 설치되도록 도로면과 동일한 높이를 가진 구조로 매립되어 형성된 도로매립형 운전자 경고등이다.In a similar form, there is a road sign bottle, but is mainly installed in the sharp curve section or the center line, protrudes from the road surface is a device that is mainly installed where the wheels do not reach. In addition, the cover bottle generally has a form that is reflected by the lighter of the vehicle and the form of self-luminous using solar heat. On the contrary, the present invention is a device having a completely different concept from the road sign bottle used to distinguish the division lane of the center line or the divided road, which is installed on the side of the crosswalk 190 to call the driver's attention to improve the safety of the pedestrian. It is secured, and is a road-filled driver warning light formed by being buried in a structure having the same height as the road surface to be installed in front of the crosswalk 190 directly touching the wheel.

본 발명이 말하는 도로매립형 운전자 경고등은 도로표면으로부터 돌출되지 않은 구조로서, 차량 주행성이 극대화 되고, 통행하중이 적게 가해지므로 장기적인 내구성이 확보되는 장치의 개발을 기술적 과제로 삼았다.The landfill type driver warning light according to the present invention has a structure that does not protrude from the surface of the road, and maximizes the vehicle's driving ability and has a small traffic load, thereby making it a technical task to develop a device that ensures long-term durability.

상기 본 발명은 도로에 매설되어 설치되는 장치로서, 도로의 외압에 저항하고 본체를 보호하기 위한 원통형 베이스판(20)과 발광을 목적으로 설치되는 본체(10)로 구성된다. 베이스판(20)은 상기 본체(10)가 결합 및 분해가 유리한 구조로 형성되어 있으며, 본 발명의 목적에 부합되는 차량하중에 대한 내구성을 지닌 금속성 재료 내지 여타의 재료로 구성되어 있다. 본체(10)는 램프(40), 프리즘(70), 유리판(60) 그리고 외형체(210)로 이루어져 있으며, 램프(40)와 프리즘(70)은 유지보수의 편의성을 위해 탈부착이 가능한 구조로 형성되어 있어고, 램프는 LED, 할로겐 내지 여타의 발광 가능 장치로 구성되며, 프리즘(70)은 램프(40)의 상단에 필요한 굴절각을 얻을 수 있는 각도로 배치되고, 프리즘(70)의 표면을 보호하고 방수, 방습을 목적으로 유리판(60)이 프리즘(70)의 상단에 설치되어 있다.The present invention is a device embedded in the road, and is composed of a cylindrical base plate 20 for resisting the external pressure of the road and to protect the main body and the main body 10 for the purpose of light emission. The base plate 20 is formed of a structure in which the main body 10 is advantageously coupled and disassembled, and is made of a metallic material or other material having durability against vehicle load in accordance with the object of the present invention. The main body 10 is composed of a lamp 40, a prism 70, a glass plate 60 and the outer body 210, the lamp 40 and the prism 70 is a removable structure for the convenience of maintenance. The lamp is composed of an LED, a halogen, or other light-emitting device, and the prism 70 is disposed at an angle at which the required refraction angle is obtained at the top of the lamp 40, and the surface of the prism 70 is formed. The glass plate 60 is provided on the upper end of the prism 70 for the purpose of protection, waterproofing, and moisture proofing.

또한, 본체(10)에 장착되는 조명장치에 있어 외부로 빛이 조사되는 방향은 적어도 한 방향 이상 조사할 수 있는 것이다.In addition, in the lighting device mounted on the main body 10, the direction in which light is irradiated to the outside may be irradiated with at least one direction.

또한, 본체(10)에 장착되는 조명장치는 하나의 램프(40)를 이용하여 여러 방향으로 빛을 조사할 수 있도록 조명장치 내부에 복수 개의 프리즘(70)이 설치되어 있는 것이다.In addition, the lighting device mounted on the main body 10 is provided with a plurality of prisms 70 inside the lighting device to irradiate light in various directions using one lamp 40.

또한, 조명장치의 전원공급은 외부전력뿐만 아니라 쏠라셀(120)을 이용한 축전지(130) 방식으로 전력공급이 가능한 것이다.In addition, the power supply of the lighting device is capable of supplying power in the manner of the storage battery 130 using the solar cell 120 as well as external power.

또한, 조명장치의 전원공급은 외부전력뿐만 아니라 배터리(140)만으로 전력공급이 가능한 것이다.In addition, the power supply of the lighting device is capable of supplying power only by the battery 140 as well as external power.

또한, 조명장치는 횡단보도(190) 신호기의 제어장치와 유선 또는 무선으로 연동하 여 보행자가 횡단하는 시간에 경고등이 작동할 수 있도록 구성된 것이다.In addition, the lighting device is configured to operate the warning light at the time when the pedestrian crosses the wired or wireless interlock with the control device of the crosswalk 190 signal.

또한, 도로면에 덧씌우기를 할 경우 도로매립형 운전자 경고등의 계속적인 사용을 위해 보조베이스판(90)을 이용하여 높이 조절을 하여 재사용이 가능한 것이다.In addition, in the case of overlaying on the road surface, it is possible to reuse by adjusting the height using the auxiliary base plate 90 for the continuous use of the road-filled driver warning light.

또한, 프리즘(70) 상단에 설치되는 유리판(60)은 윈도우 블라인드와 같은 구조로 유리판(60) 내부에 칸막이를 형성시켜 운전자에게만 빛이 직접 조사될 수 있도록 구성할 수 있는 것이다.In addition, the glass plate 60 installed on the top of the prism 70 may be configured to form a partition inside the glass plate 60 in a structure such as a window blind so that light can be directly irradiated only to the driver.

상기 본 발명이 이루고자하는 목적으로 가장 우선을 두고자하는 것은 보행자의 안전이다. 본 발명에 따른 도로매립형 운전자 경고등은 횡단보도(190) 앞에 설치되어 직접적으로 운전자의 주의를 부여하여 횡단보도(190) 보행자의 안전을 증대하는 효과가 있다. 또한 도로면에 돌출된 구조가 아닌 평탄한 구조를 지니므로 장기적인 공용수명성이 보장되어 유지보수비용이 절감된다. 또한 덧씌우기 포장시공을 할 경우 일반적으로 도로 표면에 설치된 여타의 장치들은 폐기되는 경우가 대부분이지만 상기 본 발명에 따른 도로매립형 운전자 경고등은 보조베이스판(90)을 이용하여 덧씌우기 시에도 계속 사용할 수 있게 설계되어 유지관리비용이 절감되는 효과를 가져다준다.The first priority of the present invention is to ensure the safety of pedestrians. The road-filled driver warning light according to the present invention is installed in front of the crosswalk 190 directly to give attention to the driver has the effect of increasing the safety of the pedestrian crossing 190. In addition, it has a flat structure rather than a protruding structure on the road surface, which ensures long-term public lifespan and reduces maintenance costs. In addition, in the case of the pavement installation, other devices installed on the road surface are generally discarded, but the road-mounted driver warning light according to the present invention can continue to be used even when overlaying using the auxiliary base plate 90. It is designed to reduce the cost of maintenance.

Claims (10)

도로에 매설되어 설치되는 장치로서, 도로의 외압에 저항하고 본체를 보호하기 위한 원통형 베이스판(20)과 발광을 목적으로 설치되는 본체(10)로 구성되며, 베이스판(20)은 상기 본체(10)가 결합 및 분해가 유리한 구조로 형성되어 있으며, 본 발명의 목적에 부합되는 차량하중에 대한 내구성을 지닌 금속성 재료 내지 여타의 재료로 구성되어 있으며, 본체(10)는 램프(40), 프리즘(70), 유리판(60) 그리고 외형체(210)로 이루어져 있으며, 램프(40)와 프리즘(70)은 유지보수의 편의성을 위해 탈부착이 가능한 구조로 형성되어 있으며, 램프는 LED, 할로겐 내지 여타의 발광 가능 장치로 구성되며, 프리즘(70)은 램프(40)의 상단에 필요한 굴절각을 얻을 수 있는 각도로 배치되고, 프리즘(70)의 표면을 보호하고 방수, 방습을 목적으로 유리판(60)이 프리즘(70)의 상단에 설치된 도로매립형 운전자 경고등.As a device embedded in the road, it is composed of a cylindrical base plate 20 for resisting the external pressure of the road and to protect the main body and the main body 10 for light emission, the base plate 20 is the main body ( 10) is formed in a structure that is advantageous to the coupling and disassembly, and is composed of a metallic material or other materials having durability against vehicle load in accordance with the object of the present invention, the main body 10 is a lamp 40, a prism 70, the glass plate 60 and the outer body 210, the lamp 40 and the prism 70 is formed of a removable structure for the convenience of maintenance, the lamp is LED, halogen to other The prism 70 is disposed at an angle to obtain the required refraction angle at the top of the lamp 40, and protects the surface of the prism 70 and the glass plate 60 for the purpose of waterproofing and moistureproof. Installed on top of this prism 70 Road buried driver warning. 차량하중의 측압을 감소시키고 차량 주행성 증대를 목적으로 도로매립형 경고등은 도로표면으로부터 돌출되지 않은 구조로서 유리판(60)의 내구성 증대와 장기 공용수명을 목적으로 유리판(60)이 설치되는 부분만 도로표면보다 낮은 구조를 잦는 것을 특징으로 하는 도로매립형 운전자 경고등.In order to reduce the lateral pressure of the vehicle load and increase the driving performance, the buried warning lamp is a structure that does not protrude from the surface of the road, and only the part where the glass plate 60 is installed for the purpose of increasing durability of the glass plate 60 and long-term public life Road-mounted driver warning lights, characterized by frequent lower construction. 제 1항에 있어서,The method of claim 1, 본체(10)에 장착되는 조명장치에 있어 외부로 빛이 조사되는 방향은 적어도 한 방 향 이상 조사할 수 있음을 특징으로 하는 도로매립형 운전자 경고등.In the lighting device mounted on the main body 10, the direction of the light is irradiated to the outside of the road-type driver warning light, characterized in that the irradiated at least one direction. 제 1항에 있어서,The method of claim 1, 본체(10)에 장착되는 조명장치는 하나의 램프(40)를 이용하여 여러 방향으로 빛을 조사할 수 있도록 조명장치 내부에 복수 개의 프리즘(70)이 설치될 수 있음을 특징으로 하는 도로매립형 운전자 경고등.The lighting device mounted on the main body 10 includes a plurality of prisms 70 installed inside the lighting device to irradiate light in various directions using one lamp 40. Warning light. 제 1항에 있어서,The method of claim 1, 본체(10)에 장착되는 프리즘(70)은 굴절각도에 의해 보행자에게는 직접적으로 조사되지 않고 운전자에게만 직접적으로 조사되도록 배치될 수 있음을 특징으로 하는 도로매립형 운전자 경고등.The prism 70 mounted to the main body 10 may be disposed to be directly irradiated directly to the driver instead of being directly irradiated to the pedestrian by the refraction angle. 제 1항에 있어서,The method of claim 1, 조명장치의 전원공급은 외부전력뿐만 아니라 쏠라셀(120)을 이용한 축전지(130) 방식으로 전력공급이 가능한 도로매립형 운전자 경고등.The power supply of the lighting device is a road-mounted driver warning light capable of supplying power as well as external power as the battery 130 using the solar cell 120. 제 1항에 있어서,The method of claim 1, 조명장치의 전원공급은 외부전력뿐만 아니라 배터리(140)만으로 전력공급이 가능한 도로매립형 운전자 경고등.The power supply of the lighting device is a road-mounted driver warning light that can be powered by only the battery 140 as well as external power. 제 1항에 있어서,The method of claim 1, 조명장치는 횡단보도(190) 신호기의 제어장치와 유선 또는 무선으로 연동하여 보행자가 횡단하는 시간에 경고등이 작동할 수 있도록 구성된 도로매립형 운전자 경고등.The lighting device is a road-mounted driver warning light configured to operate a warning light at a time when a pedestrian crosses the wired or wireless interlock with the control device of the crosswalk 190 signal. 제 1항에 있어서,The method of claim 1, 도로면에 덧씌우기를 할 경우 도로매립형 운전자 경고등의 계속적인 사용을 위해 보조베이스판(90)을 이용하여 높이 조절이 가능하여 재사용이 가능함을 특징으로 하는 도로매립형 운전자 경고등.In case of overlaying on the road surface, the road-mounted driver warning light is reusable because the height can be adjusted using the auxiliary base plate 90 for continuous use of the road-mounted driver warning light. 제 2항에 있어서,The method of claim 2, 프리즘(70) 상단에 설치되는 유리판(60)은 윈도우 블라인드와 같은 구조로 유리판(60) 내부에 칸막이를 형성시켜 운전자에게만 빛이 직접 조사될 수 있도록 구성됨을 특징으로 하는 도로매립형 운전자 경고등.The glass plate 60 installed on the top of the prism 70 has a structure such as window blinds to form a partition inside the glass plate 60 so that only the driver can directly irradiate light, characterized in that the road-filled driver warning light.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100655741B1 (en) * 2006-09-14 2006-12-11 주식회사 선진엔지니어링 종합건축사 사무소 A guide lamp using crosswalk
KR100822066B1 (en) * 2006-12-12 2008-04-15 김현철 Device for car stop at crosswalk
KR101218009B1 (en) * 2008-10-23 2013-01-02 김민수 Safety Pass System in Crossway
KR20150139002A (en) * 2014-05-30 2015-12-11 한국철도기술연구원 Bidirectional traveling guide display
KR102114774B1 (en) * 2019-11-22 2020-05-25 주식회사 트래픽스 Traffic light collision prevention device
KR102256531B1 (en) 2021-01-08 2021-05-25 정유림 Intelligent near field spotlight system for safety for pedestrian at night

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100655741B1 (en) * 2006-09-14 2006-12-11 주식회사 선진엔지니어링 종합건축사 사무소 A guide lamp using crosswalk
KR100822066B1 (en) * 2006-12-12 2008-04-15 김현철 Device for car stop at crosswalk
KR101218009B1 (en) * 2008-10-23 2013-01-02 김민수 Safety Pass System in Crossway
KR20150139002A (en) * 2014-05-30 2015-12-11 한국철도기술연구원 Bidirectional traveling guide display
KR102114774B1 (en) * 2019-11-22 2020-05-25 주식회사 트래픽스 Traffic light collision prevention device
KR102256531B1 (en) 2021-01-08 2021-05-25 정유림 Intelligent near field spotlight system for safety for pedestrian at night

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