KR0128965Y1 - Lamp for construction work using a light source having directivity - Google Patents
Lamp for construction work using a light source having directivity Download PDFInfo
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- KR0128965Y1 KR0128965Y1 KR2019940024466U KR19940024466U KR0128965Y1 KR 0128965 Y1 KR0128965 Y1 KR 0128965Y1 KR 2019940024466 U KR2019940024466 U KR 2019940024466U KR 19940024466 U KR19940024466 U KR 19940024466U KR 0128965 Y1 KR0128965 Y1 KR 0128965Y1
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- light source
- disc
- lamp
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
- F21V33/0076—Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Computer Security & Cryptography (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Road Signs Or Road Markings (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
복수의 각 LED로부터 발생된 빛다발은 투명 플라스틱 재료로 구성되는 원판형상의 각 하우징 내부에 형성된 각 반사면으로 입사한다. 각 반사면의 반사에 의해 빛다발은 상반되는 방향으로 두개의 빛다발이 된다. 이 두개의 각 빛다발은 하우징의 각각을 통해 외부로 나아간다.Light bundles generated from each of the plurality of LEDs are incident on each reflecting surface formed inside each of a disc-shaped housing made of a transparent plastic material. Due to the reflection of each reflecting surface, the bundle of light becomes two bundles of light in opposite directions. Each of these two bundles of light goes out through each of the housings.
Description
제1도는 본 고안의 제1실시예에 따른 공사용 점멸등의 정면도.1 is a front view of a flashing light for construction according to the first embodiment of the present invention.
제2도는 제1도의 II-II 선의 측면도.2 is a side view of the II-II line of FIG.
제3도는 제1도의 III-III 선의 단면구조도.3 is a cross-sectional view of the III-III line of FIG.
제4도는 제2도의 IV-IV 선의 단면구조도.4 is a cross-sectional view of the IV-IV line in FIG.
제5도는 제3도의 X부의 확대구조도.5 is an enlarged structural diagram of part X of FIG.
제6도는 종래의 공사용 점멸등의 외관을 도시하는 사시도.6 is a perspective view showing the appearance of a conventional construction blinker.
제7도는 제6도의 VII-VII 선의 단면구조도.7 is a cross-sectional view of the line VII-VII of FIG.
제8도는 제6도의 VIII-VIII 선의 단면구조도.8 is a cross-sectional view of the VIII-VIII line of FIG.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 공사용 점멸등 3a, 3b : 하우징1: construction blinking light 3a, 3b: housing
5a, 5b : 반사기 13a - 13f : LED5a, 5b: Reflectors 13a-13f: LED
19a, 19b : 반사면 22 : 빛다발19a, 19b: reflecting surface 22: bundle of light
23a, 23b : 빛다발23a, 23b: bundle of lights
[고안의 배경][Design background]
[이용분야][Application Field]
본 고안은 공사용 점멸등(lamp for construction work), 특히 LED와 같은 지향성이 높은 광원을 갖는 공사용 점멸등에 관한 것이다.The present invention relates to a lamp for construction work, in particular a construction flasher having a high directional light source such as LED.
[종래기술][Private Technology]
공사용 점멸등은 야간 운전자 등에게 도로공사지점을 위험장소로 인식할 수 있도록 알리는 것이다. 일반적으로 공사용 점멸등은 전원으로서 도로표지등용 건전지를 사용하고 있고, 또한 광센서를 이용하여 어두워지면 자동적으로 점멸신호를 발해서 위험장소를 경고한다. 종래, 공사용 점멸등은 광원으로서 전구식이 많이 사용되었으나 전구 파열의 다발(多發)이나 전류의 사용량이 커지는 등의 문제로, 최근에는 광원으로서 발광다이오드(LED)가 사용되어 오고 있다.Construction flashing lights inform night drivers to recognize the road construction site as a dangerous place. In general, the blinking light for construction uses a battery for road signs as a power source, and also, when it is dark by using a light sensor, a blinking signal is automatically issued to warn a dangerous place. BACKGROUND ART Conventionally, in the case of a construction blinker, many light bulbs have been used as light sources, but light emitting diodes (LEDs) have been used as light sources in recent years due to problems such as rupture of light bulbs and increased use of current.
LED는 전구 파열이 발생하기 어렵고 소비전류가 적은 등의 특징이 있는 반면, 발광량이 적기 때문에 어둡고, 또한 빛의 지향성이 강한 등의 단점을 갖고 있다.LEDs have characteristics such as light bulb rupture hardly occur and low current consumption, while the LEDs are dark due to the low amount of light emitted and have a high directivity of light.
제6도는 이러한 종래의 공사용 점멸등의 외관사시도이고 제7도는 제6도의 VII-VII 선의 단면도이며 제8도는 제6도의 VIII-VIII 선의 단면도이다.FIG. 6 is an external perspective view of such a conventional construction flashing light, FIG. 7 is a sectional view of line VII-VII of FIG. 6, and FIG. 8 is a sectional view of line VIII-VIII of FIG.
이들 도면을 참조하며, 공사용 점멸등(1)은 그 하부에 설치된 캡부(9)를 공사용 지주(27)에 고정시킴으로써 부착된다. 또한, 캡부(9)의 하부에는 배터리(29)가 설치되어 있어서 코드(21)를 통해 LED(31a 내지 31h)의 각각에 전류를 공급한다. LED는 기판(15)의 양면에 설치되어 있다. 즉, 제7도의 기판(15)에 있어서 LED(31a, 31c, 31e, 31g)는 그 우측면에 설치되고 LED(31b, 31d, 31f, 31h)는 그 좌측면에 설치된다. 각 LED는 기판(15)에 설치된 프린트 배선에 의해 접속되어 있다. 그리고, 각 LED를 기판(15)의 각 면마다 순차 점멸시킴으로써 투명 플라스틱으로 구성되는 하우징(3a, 3b)을 통해 바깥쪽으로 빛을 조사하고 있다. 또한, LED(31g, 31e)는 제7도의 우측 방향으로 빛다발(光束)(35g, 35e)을 조사하고 LED(31h, 31f)는 제7도의 좌측 방향으로 빛다발(35b, 35f)을 조사한다. 이로써 양측으로부터 공사용 점멸등의 식별성을 향상시키게 된다.With reference to these drawings, the construction flashing light 1 is attached by fixing the cap part 9 provided in the lower part to the construction prop 27. In addition, a battery 29 is installed below the cap 9 to supply current to each of the LEDs 31a to 31h through the cord 21. LEDs are provided on both sides of the substrate 15. That is, in the board | substrate 15 of FIG. 7, LED 31a, 31c, 31e, 31g is provided in the right side, and LED 31b, 31d, 31f, 31h is provided in the left side. Each LED is connected by the printed wiring provided in the board | substrate 15. As shown in FIG. Each LED is sequentially flashed on each side of the substrate 15 to irradiate light to the outside through the housings 3a and 3b made of transparent plastic. Further, the LEDs 31g and 31e irradiate the light bundles 35g and 35e in the right direction of FIG. 7 and the LEDs 31h and 31f irradiate the light bundles 35b and 35f in the left direction of FIG. do. This improves the discrimination of flashing lights for construction from both sides.
상기와 같은 종래의 공사용 점멸등에서는, LED의 지향성으로 인해 공사용 점멸등의 양방향으로 빛을 조사하려면 기판 양측에 LED를 설치해야 한다. 이 때문에 LED가 많이 필요하므로 비용면에서 유리하지 않다.In the conventional construction flashing light as described above, in order to irradiate light in both directions of the construction flashing light due to the directivity of the LED, the LED must be installed on both sides of the substrate. This requires a lot of LEDs, which is not advantageous in terms of cost.
또한, 야간에 전지가 소모되어 고갈되면 LED는 점멸하지 않기 때문에 공사용 점멸등 본래의 기능을 발휘할 수 없게 되어 공사용 점멸등의 식별성 저하로 운전자 등의 안전성이 떨어진다.In addition, when the battery is consumed and exhausted at night, the LED does not blink, and thus, the original function of the blinker for construction cannot be exhibited, and the driver's safety is lowered due to the deterioration of the discrimination of the blinker for the construction.
[고안의 요약]Summary of the proposal
본 고안의 목적은 비용면에 유리한 공사용 점멸등을 제공하는 것이다.The object of the present invention is to provide a construction flashing light which is advantageous in terms of cost.
본 고안의 다른 목적은 식별성이 높은 공사용 점멸등을 제공하는 것이다.Another object of the present invention is to provide a highly discriminating construction blinking light.
본 고안의 또 다른 목적은 지향성을 갖는 광원으로부터 발광된 빛을 효율적으로 이용하는 공사용 점멸등을 제공하는 것이다.Still another object of the present invention is to provide a construction blinker that efficiently uses light emitted from a light source having directivity.
본 고안의 또 다른 목적은 광원이 발광하지 않는 상태에서도 식별성을 발휘하는 공사용 점멸등을 제공하는 것이다.Still another object of the present invention is to provide a construction blinking light that exhibits discrimination even when the light source does not emit light.
상기의 목적을 달성하기 위해서 본 고안의 한 측면의 공사용 점멸등은 적어도 두방향으로 빛을 발해서 경고를 표시하는 공사용 점멸등으로서 발광하는 빛이 지향성을 갖는 광원과 투명성 재료로 구성되고 광원을 덮는 하우징과 이 하우징 내에 설치되어 광원으로부터 발생된 빛의 진행방향을 변화시키며 상반되는 방향으로 향하는 적어도 두가지 빛다발을 발생시키는 빛다발 발생수단을 구비하고 있다.In order to achieve the above object, the construction flashing lamp of one aspect of the present invention is a construction flashing lamp which emits light in at least two directions to display a warning, and the light emitting light is composed of a light source having directivity and a transparent material and covering the light source; It is provided in the housing and has a light bundle generating means for generating at least two light bundles in the opposite direction to change the traveling direction of the light generated from the light source.
이상과 같이 구성된 공사용 점멸등은 하나의 광원으로부터 발생된 빛에서 상반되는 방향으로 향하는 두가지 이상의 빛다발이 발생하기 때문에 광원의 수를 전체적으로 감소시킬 수 있고 제조비용도 줄일 수 있다.The construction flashing lamp configured as described above may generate two or more light bundles in opposite directions from light generated from one light source, thereby reducing the total number of light sources and reducing manufacturing costs.
상기의 목적을 달성하기 위해서 본 고안의 다른 측면에 따른 공사용 점멸등은 점멸을 반복할 수 있는 광원과 투명성 재료로 구성되고 바깥쪽으로부터 입사한 빛을 반사시키는 반사기를 갖추고 있다.In order to achieve the above object, the construction flashing lamp according to another aspect of the present invention is composed of a light source capable of repeating the flashing and a transparent material and has a reflector reflecting light incident from the outside.
이상과 같이 구성된 공사용 점멸등은 바깥쪽으로부터 공사용 점멸등으로 입사한 빛이 반사기에 의해 반사되기 때문에 광원이 점멸하지 않을 때에도 야간에 그 존재를 운전자 등에게 알릴 수 있어 식별성이 향상된다.Since the construction flashing lamp configured as described above reflects the light incident from the outside into the construction flashing light by the reflector, the driver can be notified of the presence at night even when the light source is not flashing, thereby improving identification.
[양호한 실시예의 설명]DESCRIPTION OF THE PREFERRED EMBODIMENTS
제1도는 본 고안의 제1실시예에 따른 공사용 점멸등의 정면도이고 제2도는 제1도의 II-II 선의 측면도이다.1 is a front view of a flashing light for construction according to the first embodiment of the present invention and FIG. 2 is a side view of the II-II line of FIG.
이들 도면을 참조로 공사용 점멸등(1)에는 적색의 투명 플라스틱 재료로 구성되는 원형덮개 형상의 하우징(3a, 3b)이 일체로 접속되어 있고, 각 중앙부에는 바깥쪽으로부터 입사한 빛을 반사시키는 반사기(5a, 5b)가 설치되어 있다. 하우징(3a, 3b)의 하부에는 원통형상의 지지부(7a, 7b)가 접속되어 있고, 그 아래쪽에는 공사용 지주에 설치하기 위한 밴드부(11)를 갖는 원통형상의 캡부(9)가 설치되어 있다.With reference to these drawings, the flashing lamp 1 for construction is integrally connected to the housings 3a and 3b in the shape of a circular cover made of a red transparent plastic material, and at each center portion, a reflector for reflecting light incident from the outside ( 5a, 5b) are provided. The cylindrical support parts 7a and 7b are connected to the lower part of the housing 3a, 3b, and the cylindrical cap part 9 which has the band part 11 for attaching to a support for construction is provided below.
제3도는 제1도의 III-III 선의 단면도이고, 제4도는 제2도의 IV-IV 선의 단면도이다.3 is a cross sectional view taken along the line III-III of FIG. 1, and FIG. 4 is a cross sectional view taken along the line IV-IV of FIG.
이들 도면을 참조로 원판상의 하우징(3a, 3b)의 중앙부에는 원판상의 프린트기판(15)이 설치되어 있다. LED(13a 내지 13f)는 프린트기판(15)을 중심으로 방사상으로 설치되어 있고, 각 단자(17a 내지 17f)가 프린트기판(15)에 고정 접속되어 있다. 또 기판(15)은 코드(21)를 통해 전류를 공급받고 있으며 단자(17a 내지 17f)는 기판(15)에 형성된 프린트기판(도시되지 않음)에 의해 상호 접속되고 있다. 이와 같이 함으로써 LED(13a 내지 13f)가 발하는 각 빛은 그 지향성으로 인해 프린트기판(15)을 중심으로 방사상의 방향으로 향하게 된다. 또 하우징(3a, 3b)의 외주부 전체에는 반사면(19a, 19b)및 원통상의 원주벽(25)으로 구성되는 단면이 삼각형상인 링형 공간이 형성되어 있다.With reference to these drawings, a disc-shaped printed board 15 is provided at the center of the disc-shaped housings 3a and 3b. The LEDs 13a to 13f are provided radially around the printed board 15, and each terminal 17a to 17f is fixedly connected to the printed board 15. The board 15 is supplied with current through the cord 21, and the terminals 17a to 17f are connected to each other by a printed board (not shown) formed on the board 15. As shown in FIG. In this way, each light emitted by the LEDs 13a to 13f is directed in the radial direction about the printed board 15 due to its directivity. In addition, a ring-shaped space having a triangular cross section formed by the reflective surfaces 19a and 19b and the cylindrical circumferential wall 25 is formed in the entire outer peripheral portion of the housings 3a and 3b.
제5도는 제3도의 X부의 확대도인데, 그 내용을 보다 명확히 하기 위해 단면을 나타내는 해칭은 생략하고 있다.FIG. 5 is an enlarged view of part X in FIG. 3, and hatching showing a cross section is omitted for clarity.
이 도면을 참조로, LED(13b)로부터 조사된 빛다발(22)의 진행방향에 대해 후LED(13b)로부터 발생된 지향성을 갖는 빛(22)은 투명성 재료로 구성되는 하우징(3a, 3b)으로 입사하고 각 반사면(19a, 19b)에 도달한다. 반사면(19a, 19b)은 X축에 대해 각각 45도의 경사로 형성되어 있기 때문에 입사한 빛다발은 여기서 각각 반사되어 빛다발(23a, 23b)이 되고, X축에 대해 좌우방향으로 나눠져서 바깥쪽으로 향한다. 따라서, LED(13b)로부터 나온 빛다발은 하우징(3a, 3b)의 양측에서 인식될 수 있게 된다. 또한 LED(13b)로부터 X축에 대해 평행하게 발생된 빛다발은 반사면(19a, 19b)에서 반사되는 것이 아니라 원주벽(25)을 통해 빛다발(23c)로서 바깥쪽으로 향한다. 그 결과, 본 고안의 제1실시예에 따른 공사용 점멸등은 모든 방향에서 LED로부터 발생한 빛다발을 인식할 수 있게 되었다.Referring to this figure, the light 22 having directivity generated from the rear LED 13b with respect to the traveling direction of the light bundle 22 irradiated from the LED 13b is composed of a housing 3a, 3b made of a transparent material. And enter each of the reflecting surfaces 19a and 19b. Since the reflecting surfaces 19a and 19b are each formed at an inclination of 45 degrees with respect to the X axis, the incident light bundles are reflected here to become the light bundles 23a and 23b, which are divided in the left and right directions with respect to the X axis and outward. Headed. Therefore, the light bundle emitted from the LED 13b can be recognized at both sides of the housings 3a and 3b. Further, the light bundle generated parallel to the X axis from the LED 13b is not reflected at the reflecting surfaces 19a and 19b but is directed outward as the light bundle 23c through the circumferential wall 25. As a result, the construction flashing lamp according to the first embodiment of the present invention can recognize the light bundle generated from the LED in all directions.
또한, 상기 실시예에서는 광원으로서 LED를 사용하고 있으나, LED를 대신해서 지향성이 큰 다른 광원을 사용해도 동일한 결과를 얻을 수 있다.In addition, although the LED is used as the light source in the above embodiment, the same result can be obtained by using another light source having high directivity instead of the LED.
아울러, 상기 실시예에서는 공사용 점멸등의 중앙부에 반사기가 장치되어 있으나, 반사기를 장치하지 않아도 LED로부터 발생된 빛다발의 분산효과는 변함없다.In addition, in the above embodiment, the reflector is provided at the center of the construction flashing light, but the dispersion effect of the light bundle generated from the LED does not change even without the reflector.
더욱이, 상기 실시예에서는 공사용 점멸등에 반사기가 장치되어 있으나, 이 반사기만을 예를 들어 종래 예로서 제6도에 도시되어 있는 공사용 점멸등에 장치해도 공사용 점멸등의 식별성 향상에 기여하는 것은 말할 것도 없다.Furthermore, although the reflector is provided in the construction blinker in the above embodiment, it goes without saying that even if only the reflector is installed in the construction blinker shown in FIG. 6 as a conventional example, it contributes to the improvement of the identification of the construction blinker.
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP93-55372 | 1993-10-13 | ||
JP1993055372U JP2579221Y2 (en) | 1993-10-13 | 1993-10-13 | Construction light |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950012041U KR950012041U (en) | 1995-05-16 |
KR0128965Y1 true KR0128965Y1 (en) | 1998-12-15 |
Family
ID=12996659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019940024466U KR0128965Y1 (en) | 1993-10-13 | 1994-09-23 | Lamp for construction work using a light source having directivity |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2579221Y2 (en) |
KR (1) | KR0128965Y1 (en) |
CN (1) | CN1070278C (en) |
GB (1) | GB2282877B (en) |
TW (1) | TW332636U (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29708858U1 (en) * | 1997-05-20 | 1997-07-31 | EBT Licht-Technik GmbH & Co. KG, 67098 Bad Dürkheim | Display element |
GB9911943D0 (en) * | 1999-05-21 | 1999-07-21 | Avimo Ltd | Improvements in lighting |
EP1113109A3 (en) * | 1999-12-31 | 2003-08-27 | Celaya, Emparanza Y Galdos S.A. (Cegasa) | Signal lamp |
DE10053842A1 (en) * | 2000-10-30 | 2002-05-16 | Siemens Ag | Transmitter element with display device |
GB2372091A (en) * | 2001-02-09 | 2002-08-14 | John Clayton Ruddick | Hazard light or beacon with an optical element to control horizontal and vertical beam spread |
CN1640199B (en) * | 2002-01-07 | 2010-09-08 | 奥斯兰姆有限公司 | Lamp |
JP4615949B2 (en) * | 2004-09-29 | 2011-01-19 | Idec株式会社 | Indicator light |
GB2433309B (en) * | 2005-12-16 | 2010-09-08 | Dorman Traffic Products Ltd | Signal device |
CN104566207A (en) * | 2013-10-24 | 2015-04-29 | 鸿富锦精密工业(深圳)有限公司 | Lens |
JP2018071200A (en) * | 2016-10-31 | 2018-05-10 | 株式会社キャットアイ | Light source unit and construction lamp |
CN112144436B (en) * | 2020-09-11 | 2022-06-14 | 新疆启创荣达建设工程有限公司 | Night expressway maintenance reminding device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52157788U (en) * | 1976-05-24 | 1977-11-30 | ||
SE449600B (en) * | 1986-07-07 | 1987-05-11 | Tetis Plasttetningar Ab | FOR AIRPORTS PROVIDED MARKING LIGHT WITH NOTING PROTECTION |
JPH053529Y2 (en) * | 1987-12-15 | 1993-01-28 |
-
1993
- 1993-10-13 JP JP1993055372U patent/JP2579221Y2/en not_active Expired - Lifetime
-
1994
- 1994-08-19 TW TW083212009U patent/TW332636U/en unknown
- 1994-08-24 GB GB9417087A patent/GB2282877B/en not_active Expired - Fee Related
- 1994-09-23 KR KR2019940024466U patent/KR0128965Y1/en not_active IP Right Cessation
- 1994-10-12 CN CN94117171A patent/CN1070278C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW332636U (en) | 1998-05-21 |
GB9417087D0 (en) | 1994-10-12 |
JPH0725016U (en) | 1995-05-12 |
GB2282877B (en) | 1997-08-13 |
CN1119255A (en) | 1996-03-27 |
GB2282877A (en) | 1995-04-19 |
KR950012041U (en) | 1995-05-16 |
JP2579221Y2 (en) | 1998-08-20 |
CN1070278C (en) | 2001-08-29 |
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