TWM543890U - Light-sensitive traffic warning device - Google Patents
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Description
本創作是有關於一種交通警示裝置，特別是有關於一種光感交通警示裝置。This creation is related to a traffic warning device, in particular to a light-sensitive traffic warning device.
馬路或施工工地通常會設置警示錐，目前雖然有可擺盪手臂之人形警示裝置，然而其警示燈為隨時開啟，因此很浪費能源。而且，由於其發光模式為固定發光或固定頻率閃爍，因此駕駛反而會忽略此施工場所。再者，天候不良或夜晚時，駕駛僅藉由上述燈光很難判斷距離施工場所之遠近。Warning cones are usually installed on roads or construction sites. Although there are humanoid warning devices that can swing the arms, the warning lights are always turned on, which is a waste of energy. Moreover, since the illumination mode is fixed illumination or fixed frequency flicker, driving will ignore the construction site. Moreover, when the weather is bad or at night, it is difficult to judge the distance from the construction site by the above lighting alone.
有鑑於上述習知技藝之問題，本創作之一目的就是在提供一種光感交通警示裝置，以解決習知警示裝置耗費能源且警示效果不佳之問題。In view of the above-mentioned problems of the prior art, one of the aims of the present invention is to provide a light-sensing traffic warning device to solve the problem that the conventional warning device consumes energy and the warning effect is not good.
為達前述目的，本創作提出一種光感交通警示裝置，包含：一主體結構；兩支臂，藉由一馬達運轉而樞接於主體結構之兩側；兩發光單元，分別設置於兩支臂之一端緣；兩擺盪充電單元，分別設置於兩支臂上且電性連接一蓄電池；一第一光感電阻，設置於主體結構之一頂部，藉由感測環境之光亮程度以傳輸一第一感測訊號；一控制單元，依據第一感測訊號控制蓄電池與兩發光單元之電性連接而開啟或關閉兩發光單元；以及一第二光感電阻，設置於主體結構之一側，藉由感測一來車之燈光照明以判斷來車與主體結構之距離，以傳輸一第二感測訊號。其中，控制單元係依據第二感測訊號而令兩發光單元發出一對應亮燈模式。In order to achieve the above objective, the present invention proposes a light-sensing traffic warning device comprising: a main body structure; two arms pivotally connected to two sides of the main body structure by a motor; two light-emitting units respectively disposed on the two arms One of the two ends of the swinging charging unit is respectively disposed on the two arms and electrically connected to a battery; a first photo-sensing resistor is disposed on the top of one of the main structures to transmit a first degree by sensing the brightness of the environment. a sensing unit; a control unit that controls the electrical connection between the battery and the two light emitting units to turn on or off the two light emitting units according to the first sensing signal; and a second light sensing resistor disposed on one side of the main body structure The illumination of the vehicle is sensed to determine the distance between the vehicle and the main structure to transmit a second sensing signal. The control unit causes the two lighting units to emit a corresponding lighting mode according to the second sensing signal.
其中，每一擺盪充電單元包含一磁鐵及電性連接蓄電池之一感應線圈，磁鐵連接支臂，且當馬達帶動支臂擺動時，支臂帶動磁鐵相對於該感應線圈垂直移動而改變磁鐵與感應線圈之感應磁場，使得感應線圈產生一電力至蓄電池。Wherein, each swinging charging unit comprises a magnet and an inductive coil electrically connected to the battery, the magnet is connected to the arm, and when the motor drives the arm to swing, the arm drives the magnet to move vertically relative to the induction coil to change the magnet and the induction The induced magnetic field of the coil causes the induction coil to generate a power to the battery.
其中，蓄電池電性連接第一光感電阻、第二光感電阻及馬達。The battery is electrically connected to the first photo-sensing resistor, the second photo-sensing resistor and the motor.
其中，兩支臂係藉由一連動桿組而連接馬達，連動桿組包含一第一桿體、一第二桿體及兩第三桿體，第一桿體連接馬達之一端，第二桿體之一中心端連接第一桿體，兩第三桿體之一端分別樞接第二桿體之相對兩端，兩第三桿體之另一端分別樞接兩支臂之另一端緣。Wherein, the two arms are connected to the motor by a linkage rod group, and the linkage rod group comprises a first rod body, a second rod body and two third rod bodies, the first rod body is connected to one end of the motor, and the second rod is connected to the motor. One end of the body is connected to the first rod body, and one end of the two third rod bodies is respectively pivotally connected to opposite ends of the second rod body, and the other ends of the two third rod bodies are respectively pivotally connected to the other end edges of the two arms.
本創作之光感交通警示裝置更包含有一底座設置於主體結構之底部，且蓄電池設置於底座之內部。The light sense traffic warning device of the present invention further comprises a base disposed at the bottom of the main structure, and the battery is disposed inside the base.
其中，對應亮燈模式包含不同亮燈顏色及/或亮燈頻率。The corresponding lighting mode includes different lighting colors and/or lighting frequencies.
其中，當來車與主體結構之距離大於一預定距離時，兩發光單元係發出綠光；而當來車與主體結構之距離小於前述的預定距離時，兩發光單元係發出紅光。Wherein, when the distance between the incoming vehicle and the main structure is greater than a predetermined distance, the two lighting units emit green light; and when the distance between the incoming vehicle and the main structure is less than the predetermined distance, the two lighting units emit red light.
其中，兩發光單元於來車與主體結構之距離小於前述的預定距離時所發出之燈光頻率係高於兩發光單元於來車與主體結構之距離大於前述的預定距離時所發出之燈光頻率。Wherein, the light frequency emitted by the two light-emitting units when the distance between the vehicle and the main structure is less than the predetermined distance is higher than the light frequency emitted when the distance between the two light-emitting units and the main structure is greater than the predetermined distance.
承上所述，依本創作之光感交通警示裝置，其可具有一或多個下述優點：As described above, the light-sensing traffic alert device according to the present invention may have one or more of the following advantages:
(1) 本創作之光感交通警示裝置，藉由第一光感電阻來感測環境之光亮程度以傳輸第一感測訊號至控制單元，可使得控制單元依據第一感測訊號來決定是否開啟或關閉發光單元。因此，可依據環境光亮程度自動啟閉發光單元，達到節省能源之目的。(1) The light-sensing traffic warning device of the present invention senses the brightness of the environment by the first light-sensing resistor to transmit the first sensing signal to the control unit, so that the control unit determines whether the first sensing signal is based on the first sensing signal. Turn the lighting unit on or off. Therefore, the light-emitting unit can be automatically turned on and off according to the degree of ambient light to save energy.
(2) 本創作之光感交通警示裝置，藉由第二光感電阻感測來車之燈光照明以判斷來車與主體結構之距離，並將第二感測訊號傳輸至控制單元，以使得控制單元依據第二感測訊號而令發光單元發出對應的亮燈模式。因此，駕駛可依據發光單元所發出的亮燈模式得知駕駛與施工處之距離，警示效果佳。(2) The light-sensing traffic warning device of the present invention senses the distance of the incoming vehicle from the main structure by sensing the illumination of the vehicle by the second light-sensing resistor, and transmits the second sensing signal to the control unit, so that The control unit causes the lighting unit to emit a corresponding lighting mode according to the second sensing signal. Therefore, the driver can know the distance between the driving and the construction according to the lighting mode emitted by the lighting unit, and the warning effect is good.
(3) 本創作之光感交通警示裝置，藉由支臂的擺動而使感應線圈產生電力至蓄電池，能夠提供光感交通警示裝置之構件的電力來源，可達到電力自給之作用。(3) The light-sensing traffic warning device of the present invention causes the induction coil to generate electric power to the battery by swinging the arm, and can provide a power source of the components of the light-sensing traffic warning device, thereby achieving the function of self-sufficiency of electric power.
為利瞭解本創作之技術特徵、內容與優點及其所能達成之功效，茲將本創作配合圖式，並以實施例之表達形式詳細說明如下，而其中所使用之圖式，其主旨僅為示意及輔助說明書之用，未必為本創作實施後之真實比例與精準配置，故不應就所附之圖式的比例與配置關係解讀、侷限本創作於實際實施上的權利範圍。此外，為使便於理解，下述實施例中的相同元件係以相同的符號標示來說明。In order to understand the technical characteristics, content and advantages of this creation and the effects that can be achieved, the author will use the drawing in detail and explain the following in the form of the embodiment, and the schematic used in it is only The use of the instructions and the accompanying manuals is not necessarily the true proportion and precise configuration after the implementation of the creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. In addition, in order to facilitate understanding, the same elements in the following embodiments are denoted by the same reference numerals.
請參閱圖1，圖1為本創作之光感交通警示裝置之剖面示意圖。如圖1所示，本創作之光感交通警示裝置包含有主體結構10、兩支臂20、兩發光單元30、兩擺盪充電單元40、第一光感電阻50、第二光感電阻60以及控制單元70。兩支臂20係藉由馬達80運轉而樞接於主體結構10之兩側。兩發光單元30分別設置於兩支臂20之端緣。兩擺盪充電單元40分別設置於兩支臂20上且電性連接蓄電池90。第一光感電阻50設置於主體結構10之頂部，且可藉由感測環境之光亮程度以傳輸第一感測訊號。控制單元70依據第一感測訊號來控制蓄電池90與兩發光單元30之電性連接而開啟或關閉兩發光單元30。第二光感電阻60設置於主體結構10之一側，且藉由感測一來車之燈光照明以判斷此來車與主體結構10之距離，以傳輸第二感測訊號。並且，控制單元70係依據第二感測訊號而令兩發光單元30發出對應亮燈模式。Please refer to FIG. 1. FIG. 1 is a schematic cross-sectional view of the light-sensing traffic warning device of the present invention. As shown in FIG. 1 , the light sensing traffic warning device of the present invention comprises a main body structure 10 , two arms 20 , two light emitting units 30 , two swing charging units 40 , a first photo resistance resistor 50 , and a second photo sensing resistor 60 . Control unit 70. The two arms 20 are pivotally connected to both sides of the main structure 10 by the operation of the motor 80. The two light emitting units 30 are respectively disposed at the end edges of the two arms 20. The two oscillating charging units 40 are respectively disposed on the two arms 20 and electrically connected to the battery 90. The first photo-sensing resistor 50 is disposed on the top of the main structure 10, and can transmit the first sensing signal by sensing the brightness of the environment. The control unit 70 controls the electrical connection between the battery 90 and the two light emitting units 30 to turn on or off the two light emitting units 30 according to the first sensing signal. The second photo-sensing resistor 60 is disposed on one side of the main structure 10, and senses the distance between the vehicle and the main structure 10 by sensing the illumination of the vehicle to transmit the second sensing signal. Moreover, the control unit 70 causes the two lighting units 30 to emit a corresponding lighting mode according to the second sensing signal.
當環境之光亮程度過暗時(例如天色昏暗或是夜晚來臨時)，控制單元70會依據第一光感電阻50所傳輸之第一感測訊號來控制蓄電池90與兩發光單元30的線路開關，使得兩發光單元30與蓄電池90電性連接，蓄電池90得以供應兩發光單元30之電力來源，而使兩發光單元30發光。藉此，當環境之光亮程度過暗時，兩發光單元30會發光以警示來車駕駛或用路人。When the brightness of the environment is too dark (for example, the sky is dim or the night is coming), the control unit 70 controls the line switch of the battery 90 and the two light-emitting units 30 according to the first sensing signal transmitted by the first photo-sensing resistor 50. The two light emitting units 30 are electrically connected to the battery 90, and the battery 90 is supplied with the power source of the two light emitting units 30 to cause the two light emitting units 30 to emit light. Thereby, when the brightness of the environment is too dark, the two light-emitting units 30 will emit light to alert the driver to drive or use a passerby.
而當環境之光亮足夠時(例如白天)，控制單元70會依據第一光感電阻50所傳輸之第一感測訊號來控制蓄電池90與兩發光單元30的線路開關，使得兩發光單元30與蓄電池90非電性連接，蓄電池90不會供應兩發光單元30之電力來源，因此兩發光單元30不會發光。藉此，當環境之光亮程度足夠時，兩發光單元30不會發光，可以節省能源。When the ambient light is sufficient (for example, during the day), the control unit 70 controls the line switch of the battery 90 and the two light-emitting units 30 according to the first sensing signal transmitted by the first photo-sensing resistor 50, so that the two light-emitting units 30 and The battery 90 is non-electrically connected, and the battery 90 does not supply the power source of the two light-emitting units 30, so the two light-emitting units 30 do not emit light. Thereby, when the brightness of the environment is sufficient, the two light emitting units 30 do not emit light, and energy can be saved.
在本創作中，擺盪充電單元40可例如包含有磁鐵42及電性連接蓄電池90之感應線圈44，且磁鐵42連接支臂20。當馬達80帶動支臂20擺動時，支臂20會帶動磁鐵42相對於感應線圈44垂直移動而改變磁鐵42與感應線圈44之感應磁場，使得感應線圈44產生一電力至蓄電池90。In the present creation, the oscillating charging unit 40 can include, for example, a magnet 42 and an induction coil 44 electrically connected to the battery 90, and the magnet 42 is coupled to the arm 20. When the motor 80 drives the arm 20 to swing, the arm 20 drives the magnet 42 to move vertically relative to the induction coil 44 to change the induced magnetic field of the magnet 42 and the induction coil 44, so that the induction coil 44 generates a power to the battery 90.
此外，蓄電池90可電性連接第一光感電阻50、第二光感電阻60及馬達80，以供應第一光感電阻50、第二光感電阻60及馬達80之電力來源。In addition, the battery 90 can be electrically connected to the first photo-sensing resistor 50, the second photo-sensing resistor 60, and the motor 80 to supply power sources of the first photo-sensing resistor 50, the second photo-sensing resistor 60, and the motor 80.
如圖1所示，兩支臂20可例如藉由連動桿組100而連接馬達80，連動桿組100包含第一桿體102、第二桿體104及兩第三桿體106，第一桿體102連接馬達80之一端，第二桿體104之中心端連接第一桿體102，兩第三桿體106之一端分別樞接第二桿體104之相對兩端，兩第三桿體106之另一端分別樞接兩支臂20之另一端緣。如圖2所示，藉由馬達80運轉帶動第一桿體102、第二桿體104及第三桿體106連動，且因為第三桿體106樞接支臂20，因此當馬達80運轉時，第三桿體106會帶動支臂20上下擺動。於一較佳實施例中，支臂20可藉由馬達80運轉而隨時擺動，以達到警示來車及路人之作用。此外，當馬達80帶動支臂20上下擺動時，支臂20會帶動磁鐵42相對於感應線圈44垂直移動(例如圖2中以方向D1移動)而改變磁鐵42與感應線圈44之感應磁場，使得感應線圈44產生一電力至蓄電池90。As shown in FIG. 1 , the two arms 20 can be connected to the motor 80 by, for example, the linkage rod set 100 . The linkage rod set 100 includes a first rod body 102 , a second rod body 104 and two third rod bodies 106 , the first rod The body 102 is connected to one end of the motor 80, and the central end of the second rod 104 is connected to the first rod 102. One end of the two rods 106 is pivotally connected to opposite ends of the second rod 104, respectively. The other end is pivotally connected to the other end of the two arms 20, respectively. As shown in FIG. 2, when the motor 80 is operated, the first rod body 102, the second rod body 104, and the third rod body 106 are interlocked, and since the third rod body 106 is pivotally connected to the arm 20, when the motor 80 is running, The third rod 106 will drive the arm 20 to swing up and down. In a preferred embodiment, the arm 20 can be swung at any time by the operation of the motor 80 to alert the driver and the passerby. In addition, when the motor 80 drives the arm 20 to swing up and down, the arm 20 drives the magnet 42 to move vertically relative to the induction coil 44 (for example, moving in the direction D1 in FIG. 2) to change the induced magnetic field of the magnet 42 and the induction coil 44, so that the induced magnetic field of the magnet 42 and the induction coil 44 is changed. The induction coil 44 generates a power to the battery 90.
本創作之光感交通警示裝置更可包含有底座12設置於主體結構10之底部，且蓄電池90可設置於底座12之內部。底座12可例如具有配重塊，以令整體光感交通警示裝置的重心偏向主體結構10的底部，可避免光感交通警示裝置受風吹或人為推動而傾倒。此外，也可以不具有配重塊，藉由設置於底座12內部之蓄電池90的重量，來讓整體光感交通警示裝置的重心偏向主體結構10的底部，同樣可避免光感交通警示裝置受風吹或人為推動而傾倒。The light-sensing traffic warning device of the present invention may further include a base 12 disposed at the bottom of the main structure 10, and the battery 90 may be disposed inside the base 12. The base 12 can have, for example, a counterweight to bias the center of gravity of the overall light-sensing traffic alert device toward the bottom of the main structure 10 to prevent the light-sensing traffic alert device from being dumped by wind or by human pushing. In addition, instead of having a weight, the center of gravity of the overall light-sensing traffic warning device may be biased toward the bottom of the main structure 10 by the weight of the battery 90 disposed inside the base 12, and the light-sensitive traffic warning device may be prevented from being blown by the wind. Or dumped by humans.
在本創作中，為了使來車駕駛可輕易地判定與施工場所之距離，在本創作中，兩發光單元30所發出之對應亮燈模式可例如包含不同亮燈顏色及/或亮燈頻率。對應亮燈模式可例如發出紅光或是綠光，或者是發出不同亮燈頻率的燈光。舉例來說，當來車與主體結構10之距離大於一預定距離時(例如大於10公尺)，兩發光單元30可例如發出綠光；而當來車與主體結構10之距離小於一預定距離時(例如小於10公尺)，兩發光單元30可例如發出紅光。藉此，駕駛可依據發光單元30所發出的燈光顏色得知駕駛與施工處之距離，警示效果佳。In the present creation, in order to enable the driving of the vehicle to easily determine the distance from the construction site, in the present creation, the corresponding lighting mode emitted by the two lighting units 30 may include, for example, different lighting colors and/or lighting frequencies. Corresponding lighting mode can, for example, emit red or green light, or light that emits different lighting frequencies. For example, when the distance between the vehicle and the main structure 10 is greater than a predetermined distance (for example, greater than 10 meters), the two lighting units 30 may emit green light, for example; and when the distance between the vehicle and the main structure 10 is less than a predetermined distance At the time (e.g., less than 10 meters), the two lighting units 30 may, for example, emit red light. Thereby, the driving can know the distance between the driving and the construction according to the color of the light emitted by the light-emitting unit 30, and the warning effect is good.
或者，當來車與主體結構10之距離大於一預定距離時(例如大於10公尺)，兩發光單元30可例如以較低頻率發出燈光(例如每3秒發光閃爍一次)；而當來車與主體結構10之距離小於一預定距離時(例如小於10公尺)，兩發光單元30可例如以較高頻率發出燈光(例如每1秒發光閃爍一次)。因為兩發光單元30於來車與主體結構之距離小於前述的預定距離時所發出之燈光頻率係高於兩發光單元於來車與主體結構之距離大於前述的預定距離時所發出之燈光頻率，因此，來車駕駛可依據發光單元30所發出的燈光頻率得知駕駛與施工處之距離。Alternatively, when the distance between the incoming vehicle and the main structure 10 is greater than a predetermined distance (for example, greater than 10 meters), the two lighting units 30 may emit light, for example, at a lower frequency (eg, blinking once every 3 seconds); When the distance from the main structure 10 is less than a predetermined distance (for example, less than 10 meters), the two light emitting units 30 may emit light, for example, at a higher frequency (for example, blinking once every 1 second). The light frequency emitted by the two light-emitting units 30 when the distance between the vehicle and the main structure is less than the predetermined distance is higher than the light frequency emitted by the two light-emitting units when the distance between the vehicle and the main structure is greater than the predetermined distance. Therefore, the driving of the vehicle can know the distance between the driving and the construction site according to the frequency of the light emitted by the lighting unit 30.
綜上所述，本創作之光感交通警示裝置，藉由第一光感電阻來感測環境之光亮程度以傳輸第一感測訊號至控制單元，可使得控制單元依據第一感測訊號來決定是否開啟或關閉發光單元。因此，可依據環境光亮程度自動啟閉發光單元，達到節省能源之目的。並且，藉由第二光感電阻感測來車之燈光照明以判斷來車與主體結構之距離，並將第二感測訊號傳輸至控制單元，以使得控制單元依據第二感測訊號而令發光單元發出對應的亮燈模式。因此，駕駛可依據發光單元所發出的亮燈模式得知駕駛與施工處之距離，警示效果佳。此外，藉由支臂的擺動而使感應線圈產生電力至蓄電池，能夠提供光感交通警示裝置之構件的電力來源，可達到電力自給之作用。In summary, the light-sensing traffic warning device of the present invention senses the brightness of the environment by the first light-sensing resistor to transmit the first sensing signal to the control unit, so that the control unit can be based on the first sensing signal. Decide whether to turn the lighting unit on or off. Therefore, the light-emitting unit can be automatically turned on and off according to the degree of ambient light to save energy. And sensing, by the second light sensing resistor, the illumination of the vehicle to determine the distance between the vehicle and the main structure, and transmitting the second sensing signal to the control unit, so that the control unit is configured according to the second sensing signal The lighting unit emits a corresponding lighting mode. Therefore, the driver can know the distance between the driving and the construction according to the lighting mode emitted by the lighting unit, and the warning effect is good. In addition, the induction coil generates electric power to the battery by the swing of the arm, and the power source of the component of the light-sensing traffic warning device can be provided, and the power self-sufficiency can be achieved.
以上所述僅為舉例性，而非為限制性者。任何未脫離本創作之精神與範疇，而對其進行之等效修改或變更，均應包含於後附之申請專利範圍中。The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.
10‧‧‧主體結構
12‧‧‧底座
20‧‧‧支臂
30‧‧‧發光單元
40‧‧‧擺盪充電單元
42‧‧‧磁鐵
44‧‧‧感應線圈
50‧‧‧第一光感電阻
60‧‧‧第二光感電阻
70‧‧‧控制單元
80‧‧‧馬達
90‧‧‧蓄電池
100‧‧‧連動桿組
102‧‧‧第一桿體
104‧‧‧第二桿體
106‧‧‧第三桿體
D1‧‧‧方向10‧‧‧Main structure
12‧‧‧Base
20‧‧‧ Arm
30‧‧‧Lighting unit
40‧‧‧Swing charging unit
42‧‧‧ magnet
44‧‧‧Induction coil
50‧‧‧First light sense resistor
60‧‧‧Second light resistance
70‧‧‧Control unit
80‧‧‧ motor
90‧‧‧Battery
100‧‧‧ linkage rod set
102‧‧‧First body
104‧‧‧Second body
106‧‧‧third body
D1‧‧ Direction
圖1為本創作之光感交通警示裝置之剖面示意圖。Figure 1 is a schematic cross-sectional view of the light-sensing traffic warning device of the present invention.
圖2為本創作之光感交通警示裝置之運作示意圖。Figure 2 is a schematic diagram of the operation of the light-sensing traffic warning device of the present invention.
10‧‧‧主體結構 10‧‧‧Main structure
12‧‧‧底座 12‧‧‧Base
20‧‧‧支臂 20‧‧‧ Arm
30‧‧‧發光單元 30‧‧‧Lighting unit
40‧‧‧擺盪充電單元 40‧‧‧Swing charging unit
42‧‧‧磁鐵 42‧‧‧ magnet
44‧‧‧感應線圈 44‧‧‧Induction coil
50‧‧‧第一光感電阻 50‧‧‧First light sense resistor
60‧‧‧第二光感電阻 60‧‧‧Second light resistance
70‧‧‧控制單元 70‧‧‧Control unit
80‧‧‧馬達 80‧‧‧ motor
90‧‧‧蓄電池 90‧‧‧Battery
100‧‧‧連動桿組 100‧‧‧ linkage rod set
102‧‧‧第一桿體 102‧‧‧First body
104‧‧‧第二桿體 104‧‧‧Second body
106‧‧‧第三桿體 106‧‧‧third body
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105217430U TWM543890U (en) | 2016-11-15 | 2016-11-15 | Light-sensitive traffic warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105217430U TWM543890U (en) | 2016-11-15 | 2016-11-15 | Light-sensitive traffic warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM543890U true TWM543890U (en) | 2017-06-21 |
Family
ID=59688521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105217430U TWM543890U (en) | 2016-11-15 | 2016-11-15 | Light-sensitive traffic warning device |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM543890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647444A (en) * | 2019-10-10 | 2021-04-13 | 北极光电股份有限公司 | Display device for light display variation |
-
2016
- 2016-11-15 TW TW105217430U patent/TWM543890U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647444A (en) * | 2019-10-10 | 2021-04-13 | 北极光电股份有限公司 | Display device for light display variation |
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