KR102616922B1 - Advertisement signboard - Google Patents

Abstract

The present invention relates to an advertising sign having a border electronic signboard, comprising: a frame assembly 200 installed in a rectangular shape on a base plate 100; An advertising unit 300 located inside the frame assembly 200 and having an advertising text 300a formed thereon; It is characterized by including a border display board 400 that is arranged in the form of a border surrounding the outside of the advertising unit 300 and displays a changing image.

Description

Advertising signboard with border display board {Advertisement signboard}

The present invention relates to an advertising signboard, and more specifically, to an advertising signboard having a border electronic display board that can attract the attention of consumers by providing changing image information.

In general, advertising signs are installed in stores that serve consumers, such as restaurants, coffee shops, beauty salons, and marts, and are used to inform people that they sell or provide goods or services. Signs are implemented in various forms. For example, in the simplest form, they are implemented in the form of a plate with advertising text written on it, or in a form where a lighting fixture is built into the frame and the front side of the frame is wrapped with a translucent sheet with advertising text written on it. Alternatively, three-dimensional advertising text is installed on a plate-shaped frame and neon lights or LED lights are built into the advertising text to emit light.
It is implemented as

However, because each store had a signboard installed, there was a problem that it was difficult to achieve the desired advertising effect as the signboard one wanted to advertise was buried under countless other signs.

The present invention was created to solve the above problems, and provides an advertising signboard with a border display board that can attract consumers' attention and increase advertising effectiveness by adopting a border display board that displays changing images. The purpose.

Another object of the present invention is to provide an advertising signboard with a border electronic display board that can attract consumers' attention by recognizing a walking pedestrian and implementing an event situation different from usual when the pedestrian approaches as close as possible.

In order to achieve the above object, an advertising sign having a border electronic signboard according to the present invention includes a frame assembly 200 installed in a rectangular shape on a base plate 100; An advertising unit 300 located inside the frame assembly 200 and having an advertising text 300a formed thereon; And a border display board 400 arranged in the form of a border surrounding the outside of the advertising unit 300 and displaying a changing image.

In the present invention, the frame assembly 200 is disposed on the left side, and has a pair of left edge grooves 211 and 211' formed at right angles to the rear corners of the top and bottom and one formed at the inner rear. A left frame (210) having the above left inner groove (212); The right frame 220 is disposed on the right side and has a pair of right edge grooves 221 and 221' formed at right angles to the rear corners of the top and bottom and one or more right inner grooves 222 formed at the inner rear. ); An upper frame (230) fitted and coupled to the upper left corner groove (211) and the upper right corner groove (221); a lower frame (240) sandwiched between the lower left corner groove (211') and the lower right corner groove (221'); An inner horizontal frame 250 sandwiched between the left inner groove 212 and the right inner groove 222; and a plurality of inner vertical frames 260 arranged at regular intervals and coupled to the surfaces of the upper frame 230 and the lower frame 240.

In the present invention, the advertising unit 300 includes a light guide plate 310 on which a light guide pattern is formed on the surface and has a size that fits into the inner edge 500, and a border cap that fits around the light guide plate 310. (320), a first LED strap 330 built into the edge cap 320 corresponding to the upper and lower sides of the light guide plate 310 and irradiating light into the inside of the light guide plate 310, and the light guide plate 310 A second LED strap 340 that is built into the border cap 320 corresponding to the left and right sides and irradiates light into the inside of the light guide plate 310, and an advertising text 300a for advertising that is covered by the light guide plate 310. ) is formed, and a separation prevention strap 360 is magnetically attached to the inner surface of the inner border 500 and mounted on the edge of the light guide plate 310 to prevent the light guide plate 310 from coming off. do.

In the present invention, the pedestrian detection unit 700 includes a first detection unit 710 that is installed on one lower side of the outer edge 600 and generates a first detection signal (S1) when a pedestrian is detected, A second detection unit 720 that is installed on the other lower side of the outer border 600 and generates a second detection signal (S2) when a pedestrian is detected, and the first detection signal (S1) and the second detection signal ( It includes an interlocking control unit 730 that causes the second LED strap 340 of the advertising unit 300 to emit light when S2) occurs simultaneously.

In the present invention, an inner border 500 that partitions between the advertising unit 300 and the border display board 400 and supports the advertising unit 300; It includes an outer border 600 that wraps the frame assembly 200 to be spaced apart from the inner border 500 to form a space in which the border display board 400 is placed.

In the present invention, it further includes a pedestrian detection unit 700 that detects pedestrians passing around the advertising unit 300 and generates a detection signal to generate an event situation in the advertising unit 300.

According to the present invention, by including an advertising unit 300 on which advertising text 300a is formed, and a border display board 400 arranged in the form of a border surrounding the outside of the advertising unit 300 and displaying a changing image, the consumer's gaze You can increase advertising effectiveness by dragging.

In addition, by employing the pedestrian detection unit 700, it is possible to further attract the attention of walking consumers by detecting when a pedestrian approaches as close as possible and allowing the advertising unit 300 to implement an event situation different from usual, thereby further increasing the advertising effect. It can be raised.

1 is a front view of an advertising sign having a border electronic signboard according to the present invention;
Figure 2 is an exploded perspective view of the advertising sign of Figure 1;
Figure 3 is a view for explaining the configuration of the frame assembly of Figure 1;
Figure 4 is a cross-sectional view taken along line IV-IV in Figure 3;
Figure 5 is a perspective view illustrating that the left and right frames and the upper and lower frames of Figure 4 are connected at right angles;
Figure 6 is a perspective view to explain that the inner horizontal frame is connected to the left and right frames at right angles inside the left and right frames of Figure 4;
Figure 7 is a cross-sectional view taken along line VII-VII of Figure 2 and is a diagram for explaining the configuration of the advertising unit;
Figure 8 is a cross-sectional view taken along line VIII-VIII of Figure 2 and is a diagram for explaining the configuration of the advertising unit;
Figure 9 is a perspective view illustrating the LED board constituting the border electronic signboard of Figure 1;
Figure 10 is a block diagram for explaining the configuration of the pedestrian detection unit of Figure 1.

Hereinafter, an advertising signboard having a border electronic signboard according to the present invention will be described in detail with reference to the attached drawings.

Hereinafter, the term “above” or “above” may include not only what is directly above in contact but also what is above without contact. Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. Terms are used only to distinguish one component from another. Singular expressions include plural expressions unless the context clearly dictates otherwise. Additionally, when a part "includes" a certain component, this means that it may further include other components rather than excluding other components, unless specifically stated to the contrary. Additionally, terms such as "...unit" and "module" used in the specification refer to a unit that processes at least one function or operation.

Figure 1 is a front view of an advertising signboard having a border electronic signboard according to the present invention, Figure 2 is an exploded perspective view of the advertising signboard of Figure 1, and Figure 3 is a drawing to explain the configuration by extracting the frame assembly of Figure 1, FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. In addition, Figure 5 is a perspective view to explain that the left and right frames and the upper and lower frames of Figure 4 are connected at right angles, and Figure 6 shows the inner horizontal frames inside the left and right frames of Figure 4. It is a perspective view to explain that it is connected at a right angle to the

As shown, the advertising sign having a border electronic signboard according to the present invention includes a frame assembly 200 installed in a rectangular shape on a base plate 100; An advertising unit 300 located inside the frame assembly 200 and having an advertising text 300a formed thereon; A border display board 400 arranged in the form of a border surrounding the outside of the advertising unit 300 and displaying changing images; an inner border 500 that partitions between the advertising unit 300 and the border display board 400 and supports the advertising unit 300; an outer border 600 that wraps the frame assembly 200 to be spaced apart from the inner border 500 to form a space in which the border display board 400 is placed; It is characterized by including a pedestrian detection unit 700 that detects pedestrians passing around the advertising unit 300 and generates a detection signal to generate an event situation in the advertising unit 300.

The base plate 100 supports the frame assembly 200, and furthermore, electrical components for power supply are installed.

As shown in FIGS. 3 and 4, the frame assembly 200 is disposed on the left side and has a pair of left edge grooves 211 and 211' formed at right angles to the rear corners of the top and bottom and an inner rear corner. A left frame 210 having one or more left inner grooves 212 formed in; The right frame 220 is disposed on the right side and has a pair of right edge grooves 221 and 221' formed at right angles to the rear corners of the top and bottom and one or more right inner grooves 222 formed at the inner rear. )class; an upper frame (230) sandwiched between the upper left corner groove (211) and the upper right corner groove (221); a lower frame (240) sandwiched between the lower left corner groove (211') and the lower right corner groove (221'); an inner horizontal frame 250 sandwiched between the left inner groove 212 and the right inner groove 222; It includes a plurality of inner vertical frames 260 arranged and coupled to the surfaces of the upper frame 230 and the lower frame 240 at regular intervals.

The upper and lower ends of the left frame 210 and the right frame 220 are connected to the upper frame 230 and the lower frame 240 at right angles, as shown in FIG. 5.

The left frame 210 and the right frame 220 are made of iron pipes with a rectangular cross-sectional shape, where one cross-section has a length of L and the other cross-section has a length of 2L.

The left edge grooves 211 (211') formed at the upper and lower ends of the left frame 210 include a left groove horizontal end 211a and a left groove vertical end 211b of length L, and the right frame 220 The right edge grooves 221 and 221' formed at the upper and lower ends include a right groove horizontal end 221a and a right groove vertical end 221b of length L.

The upper frame 230 and the lower frame 240 are coupled to the left corner grooves 211 (211') and the right corner grooves 221 (221'), and have a square shape with one cross section and the other cross section having a length of L. It is made of a cross-sectional steel pipe.

By this structure, as shown in FIG. 4, when the upper and lower frames 230 and 240 are coupled to the left corner grooves 211 and 211' and the right corner grooves 221 and 221', The backs of the upper and lower frames 230 and 240 and the backs of the left and right frames 210 and 220 are on the same plane. Accordingly, the completed frame assembly 200 can be completely adhered to and fixed to the base plate 100.

Meanwhile, as shown in FIG. 5, first alignment wings 271 protruding upward are formed on the rear sides of the left groove horizontal end 211a and the right groove horizontal end 221a, and the upper and lower frames 230 ) A first alignment fitting groove 272 into which the first alignment fitting wing 271 is inserted is formed on the inside of the L length from both ends of 240.

By these first alignment fitting wings 271 and first alignment fitting grooves 272, the upper and lower frames 230 and 240 have left corner grooves 211 and 211' and right corner grooves 221 ( 221'), from the rear of the left and right groove vertical ends (211b) (221b), the bolt (B) penetrates the left and right frames (210) and (220) and attaches to the upper and lower frames (230). ) When fastened to 240, the left and right frames 210 and 220 and the upper and lower frames 230 and 240 are not separated.

As shown in FIG. 6, the plurality of inner horizontal frames 250 are connected at right angles to the inside of the left frame 210 and the right frame 220. The inner horizontal frame 250 is made of a steel pipe with a rectangular cross-section shape, where one cross-section has a length of L and the other cross-section has a length of 2L.

Meanwhile, as shown in FIG. 6, on the rear side of the inner groove vertical ends 212b and 222b of the left frame 210 and the right frame 220, a pair of second alignment insertion wings 281 protrude in opposite directions. ) is formed, and a pair of second alignment fitting grooves 282 into which the second alignment fitting wings 281 are inserted are formed on both sides of the inner side for a length of L from both ends of the inner horizontal frame 250.

By these second alignment fitting wings 281 and second alignment fitting grooves 282, when the inner horizontal frame 250 is brought into close contact with the left and right inner grooves 212 and 222, the second alignment fitting wings 281 is inserted into the second alignment fitting groove 282, and the sides of both ends of the inner horizontal frame 250 form the left and right inner grooves 212 and 222. The inner groove transverse ends 212a and 222a and the inner groove It is in close contact with the vertical ends (212b) (222b). Accordingly, the left and right frames 210 and 220 and the inner horizontal frame 250 are connected in a right-angled direction, and in this state, the left and right frames 210 and 220 and the inner horizontal frame 250 intersect. When the part is fastened with bolts (B), the inner horizontal frame 250 is firmly connected to the left and right frames 210 and 220.

As shown in FIG. 2, a plurality of inner vertical frames 260 are arranged at regular intervals inside the upper frame 230 and the lower frame 240, forming a right angle to the upper and lower frames 230 and 240. . Like the inner horizontal frame 250, this inner vertical frame 260 is made of a steel pipe with a rectangular cross-sectional shape, where one cross-section has a length of L and the other cross-section has a length of 2L.

In this way, the left and right frames 210 and 220. The upper and lower frames 230 and 240, the inner horizontal frame 250 and the inner vertical frame 260 have the above cross-sectional length, so that the upper and lower frames ( 230)(240) can be connected to form a right angle, and a plurality of inner horizontal frames 250 and inner vertical frames 260 are formed inside the left and right frames 210 and 220 and the upper and lower frames 230 and 240. ) can be connected at right angles to each other. The frame assembly 200 connected in this way is fixed to the base plate 100 with bolts.

The front surfaces of the left and right frames 210 and 220 form the same plane as the front surfaces of the plurality of inner vertical frames 260. Therefore, a number of board magnets 411 installed on the back of a number of LED boards 410 and 410' that make up the border display board 400, which will be described later, are connected to the left and right frames 210 and 220 and a number of inner vertical frames. When attached to the front of 260, as shown in FIG. 1, the plurality of LED boards 410 and 410' form a large screen forming the same plane.

FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 2 and is a diagram for explaining the configuration of the advertising unit, and FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 2 and is a diagram explaining the configuration of the advertising unit.

The advertising unit 300 has an overall rectangular shape and displays the name of the product or service being handled on the front, or information such as the name of the store.

The advertising unit 300 has a light guide pattern formed on its surface and includes a light guide plate 310 that is sized to fit into the inner edge 500, a border cap 320 that fits around the light guide plate 310, and a light guide plate 310. ) is built into the edge cap 320 corresponding to the upper and lower sides of the first LED strap 330 to radiate light to the inside of the light guide plate 310, and is built into the edge cap 320 corresponding to the left and right sides of the light guide plate 310 A second LED strap 340 that irradiates light into the inside of the light guide plate 310, a diffusion sheet 350 covered with the light guide plate 310 and formed with advertising text 300a for advertising, and an inner border 500. It includes a separation prevention strap 360 that is magnetically attached to the inner surface of the light guide plate 310 and is mounted on the edge of the light guide plate 310 to prevent the light guide plate 310 from coming off.

The light guide plate 310 is made of transparent acrylic, and a light guide pattern is formed on the surface to divert light flowing in from the side.

The edge cap 320 is coupled to the edge of the light guide plate 310, and a holder 321 is formed on the inside to be mounted on the light guide plate 310. When the edge cap 320 is completely inserted into the light guide plate 310 by the mounting bracket 321, a light gap in which the first and second LED straps 330 and 340 are embedded is formed inside the edge tab 320.

The first LED strap 330 is implemented in the form of a strap by installing a plurality of LEDs on a PCB, and irradiates light inward from the upper and lower ends of the light guide plate 310. The light emitted from the first LED strap 330 is totally reflected while passing through the inside of the light guide plate 310, and is then radiated to the entire surface according to the light guide pattern. This first LED strap 330 is always maintained in an activated state to highlight the advertising text 300a formed on the diffusion sheet 350.

The second LED strap 340 is implemented in the form of a strap by installing a plurality of LEDs on a PCB, and irradiates light inward from the left and right ends of the light guide plate 310. The light emitted from the second LED strap 340 is totally reflected while passing through the inside of the light guide plate 310, and is then radiated to the entire surface according to the light guide pattern. This second LED strap 340 is linked to the pedestrian detection unit 700, which will be described later, to create an event situation that operates at an unspecified time, and as the second LED strap 340 operates discontinuously, the entire advertising unit 300 The illuminance varies discontinuously.

Here, the second LED strap 340 can generate light of various colors continuously or discontinuously, and in this case, it can attract the attention of pedestrians by causing color changes as well as the overall illumination of the advertising unit 300.

That is, the first LED strap 330 is always operated to highlight the advertising text 300a formed on the diffusion sheet 350, and the second LED strap 340 is operated in conjunction with the pedestrian detection unit 700 to attract attention. It creates an event situation that changes the overall illumination or color discontinuously.

The separation prevention strap 360 is detachably attached to the inner surface of the inner border 500 by magnetic force, and when attached, the edge of the light guide plate 310 sandwiched between the inner border 500 is held so that the light guide plate 310 is attached to the inner side. Prevents separation from the edge 500. By using this anti-separation tab 360, the light guide plate 310 can be installed on the inner edge 500 without performing a bolting operation.

As shown in FIG. 1, the inner border 500 protrudes from the surface of the frame assembly 200 and partitions between the advertising unit 300 and the border display board 400 and at the same time connects the advertising unit 300 to the frame assembly. I support (200).

As shown in FIG. 1, the outer border 600 is installed to surround the circumference of the frame assembly 200 and spaced apart from the circumference of the inner border 500, and accordingly, the outer border 600 and the inner border 500 A space in between is formed where the border display board 400 is placed. In addition, the outer border 600 wraps the perimeter of the plurality of LED boards 410 and 410' to support and finish the load applied to the plurality of LED boards 410 and 410'.

Figure 9 is a perspective view for explaining the LED board constituting the border electronic signboard of Figure 1.

The border display board 400 is installed to surround the edge of the advertising unit 300, and provides image information that the advertising unit 300 cannot display. The border display board 400 is disposed on the frame assembly 200 to form a border surrounding the edge of the advertising unit 300 and displays an image. A plurality of LED boards 410 and 410' are arranged in the horizontal and vertical directions. It is deployed and implemented.

The LED board 410 (410') is made up of hundreds to thousands of LED pixels arranged in rows and columns, with one side having a length of A and the other side having a length of 2A. On the rear edge side of these LED boards 410 and 410', a plurality of board magnets 411 are attached to the surfaces of the left and right frames 210 and 220 and the inner vertical frame 260, in this embodiment, four magnets. A board magnet (D1) is installed.

Figure 10 is a block diagram for explaining the configuration of the pedestrian detection unit of Figure 1.

As shown in FIG. 1, the pedestrian detection unit 700 detects pedestrians passing around and generates a corresponding detection signal. The detection signal generated at this time is an event to attract the attention of pedestrians in the advertising unit 300. A situation, for example, an event situation in which the illuminance of light generated from the advertising unit 300 itself suddenly changes, occurs.

The pedestrian detection unit 700 includes a first detection unit 710 that is installed on one side of the bottom of the outer border 600 and generates a first detection signal (S1) when a pedestrian is detected, and a lower part of the outer border 600. A second detection unit 720 installed on the other side and generating a second detection signal (S2) when a pedestrian is detected, and an advertising unit (720) when the first detection signal (S1) and the second detection signal (S2) are generated simultaneously It includes an interlocking control unit 730 that causes the second LED strap 340 of 300 to emit light.

The first detection unit 710 and the second detection unit 720 are installed to be spaced apart from each other at the bottom of the frame assembly 200 and can detect approaching pedestrians by detecting infrared rays generated from pedestrians.

The first and second detection units 710 and 720 are installed spaced apart on one side and the other side of the bottom of the outer border 600, and generate the first and second detection signals (S1) and (S2) when each approaches within a certain distance. do. That is, in the process of a pedestrian passing the lower side of the signboard of the present invention, when the pedestrian approaches the first detection unit 710 within a certain distance, the first detection unit 710 generates the first detection signal (S1) and , Then, when the pedestrian moves and approaches within a certain distance to the second detection unit 720, the second detection unit 720 generates a second detection signal (S2), and the pedestrian moves to the first and second detection units 710. When passing between (720), the first and second detection signals (S1) and (S2) are generated simultaneously. It is preferable that the first and second detection units 710 and 720 detect approaching pedestrians by detecting infrared rays generated from pedestrians.

When the first detection signal (S1) and the second detection signal (S2) occur simultaneously, that is, when a pedestrian passes between the first and second detection units (710) and (720), the interlocking control unit (730) operates the advertising unit (300). ) emits light in the second LED strap 340. Therefore, as the illuminance or color of the entire advertising unit 300 changes due to the second LED strap 340 that suddenly emits light, it attracts the attention of pedestrians and allows them to recognize the advertising unit 300.

In this way, according to the present invention, by including an advertising unit 300 on which advertising text 300a is formed, and a border display board 400 that is arranged in the form of a border surrounding the outside of the advertising unit 300 and displays a changing image, You can increase advertising effectiveness by attracting consumers' attention.

In addition, by employing the pedestrian detection unit 700, it is possible to further attract the attention of walking consumers by detecting when a pedestrian approaches as close as possible and allowing the advertising unit 300 to implement an event situation different from usual, thereby further increasing the advertising effect. It can be raised.

The present invention has been described with reference to an embodiment shown in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom.

100 ... base plate 200 ... frame assembly
210 ... left frame 211, 211' ... left corner groove
211a ... left groove horizontal column 211b ... left groove vertical column
212 ... left inner groove 220 ... right frame
221, 221' ... right corner groove 221a ... right groove horizontal end
221b ... right groove vertical section 222 ... right medial groove
230 ... upper frame 240 ... lower frame
250 ... inner horizontal frame 260 ... inner vertical frame
271 ... 1st alignment fitting wing 272 ... 1st alignment fitting groove
281 ... 2nd alignment fitting wing 282 ... 2nd alignment fitting groove
300 ... advertising department 310 ... light guide plate
320 ... border cap 330 ... 1st LED strap
340 ... 2nd LED strap 350 ... diffusion sheet
360 ... escape prevention strap 400 ... border display board
410, 410' ... LED board 411 ... Board magnet
500 ... inner border 600 ... outer border
700 ... pedestrian detection unit 710 ... first detection unit
720 ... second detection unit 730 ... interlocking control unit

Claims (6)

A frame assembly 200 installed in a rectangular shape on the base plate 100;
An advertising unit 300 located inside the frame assembly 200 and having an advertising text 300a formed thereon; and
A border display board 400 arranged in the form of a border surrounding the outside of the advertising unit 300 and displaying a changing image;
an inner border 500 that partitions between the advertising unit 300 and the border display board 400 and supports the advertising unit 300;
It includes an outer border 600 that wraps the frame assembly 200 to be spaced apart from the inner border 500 to form a space in which the border display board 400 is placed,
The advertising unit 300 includes a light guide plate 310 with a light guide pattern formed on the surface and a size that fits into the inner edge 500, and an edge cap 320 that fits around the light guide plate 310, A first LED strap 330 built into the edge cap 320 corresponding to the upper and lower sides of the light guide plate 310 and irradiating light into the inside of the light guide plate 310, and a first LED strap 330 corresponding to the left and right sides of the light guide plate 310 A second LED strap 340 built into the edge cap 320 and irradiating light into the inside of the light guide plate 310, and a diffusion sheet covered with the light guide plate 310 and formed with advertising text 300a for advertising. (350), and a separation prevention strap 360 that is magnetically attached to the inner surface of the inner border 500 and is mounted on the edge of the light guide plate 310 to prevent the light guide plate 310 from coming off. , An advertising signboard having a border electronic signboard, characterized in that it has a border. The method of claim 1, wherein the frame assembly 200 is:
The left frame 210 is disposed on the left side and has a pair of left edge grooves 211 and 211' formed at right angles to the rear corners of the top and bottom and one or more left inner grooves 212 formed at the inner rear. );
The right frame 220 is disposed on the right side and has a pair of right edge grooves 221 and 221' formed at right angles to the rear corners of the top and bottom and one or more right inner grooves 222 formed at the inner rear. );
An upper frame (230) fitted and coupled to the upper left corner groove (211) and the upper right corner groove (221);
a lower frame (240) sandwiched between the lower left corner groove (211') and the lower right corner groove (221');
An inner horizontal frame 250 sandwiched between the left inner groove 212 and the right inner groove 222; and
A plurality of inner vertical frames 260 arranged and coupled to the surfaces of the upper frame 230 and the lower frame 240 at regular intervals; an advertising sign having a border electronic signboard, comprising a. delete According to paragraph 1,
It further includes a pedestrian detection unit 700 that detects pedestrians passing around the advertising unit 300 and generates a detection signal to generate an event situation in the advertising unit 300,
The pedestrian detection unit 700,
A first detection unit 710 installed on one lower side of the outer border 600 and generating a first detection signal (S1) when a pedestrian is detected,
A second detection unit 720 installed on the other lower side of the outer border 600 and generating a second detection signal (S2) when a pedestrian is detected,
A border, characterized in that it includes an interlocking control unit 730 that causes the second LED strap 340 of the advertising unit 300 to emit light when the first detection signal (S1) and the second detection signal (S2) occur simultaneously. An advertising signboard with an electronic display board. delete delete

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