KR102364510B1 - Guide Indicating Apparatus Provided with Antenna - Google Patents

Abstract

A guide display device incorporating an antenna according to the present invention includes a frame, an antenna provided inside the frame, a light guide plate installed at a position spaced apart from the antenna, an LED light source disposed on at least one side of the light guide plate, and a front surface of the light guide plate It is a guide display device having a built-in antenna including a printed film mounted on the frame and a power supply unit for supplying power to the LED light source and the antenna.

Description

Guide Indicating Apparatus Provided with Antenna

The present invention relates to a guide display device incorporating an antenna. In more detail, the present invention relates to a device for increasing space utilization by providing an antenna capable of adjusting an RF beam pattern and an LED-type guide display device in one device.

In recent years, with the rapid development of mobile communication, users' usage patterns and their needs are also diversified, and as they want to communicate without being restricted by time and space, research on related technologies is being actively conducted.

On the other hand, the radio waves provided by the base station are difficult to reach areas such as tunnels, subways, or certain areas inside large buildings, so shadow areas occur. It plays the role of transmitting the electrical signal to the outside, thereby eliminating the shaded area.

In addition, in order to smoothly receive or transmit radio waves using an antenna, it is necessary to adjust the direction, shape, or position of a specific electromagnetic wave to enable transmission and reception. (Voltage Standing Wave Ratio) is controlled to perform the function.

However, since the beam pattern of radio waves is adjusted according to the distance between the antenna and the dielectric, there is a limit to reducing the size of the antenna. .

In addition, in places such as the above-mentioned tunnels, subways, or inside of large buildings, LED guide display devices are used for various purposes, such as guiding people in the direction of entrances or displaying toilets and parking areas. Inevitably, there is a problem of occupying space.

The present invention has been devised to solve the above problems, and since the antenna and the information display device are devices that need to be installed in each space in a tunnel, subway, or inside a large building, the antenna and the information display device are installed in one device. It is designed for efficient use of space.

In addition, when the antenna is installed in a place, the shape of the antenna is exposed to the outside almost as it is and is not aesthetically good. The purpose of performing the function is to improve the aesthetics without impairing the installation aesthetics by the antenna.

The light guide plate not only converts the light emitted from the LED light source in the plane direction, but also adjusts the RF beam width and VSWR (Voltage Standing Wave Ratio) emitted from the antenna according to the shape of the light guide plate. The purpose is to reduce the space and use the space efficiently.

In addition, the purpose is to make the printed film showing the phrase or symbol to be guided detachable so that it can be replaced when the printed film is damaged or worn out or when the content to be displayed needs to be changed.

In addition, an object of the present invention is to effectively deliver the contents by providing the components necessary for performing the guide display function so that both sides of the guide display device can perform the guide display function so as to be symmetrical.

In addition, it is possible to supply power to the LED light source through the OOK signal using Bias T.

A guide display device incorporating an antenna according to an embodiment of the present invention for solving the above problems includes a frame, an antenna provided in the frame, a light guide plate installed at a position spaced apart from the antenna, and at least one of the light guide plate It includes an LED light source disposed on the side, a printed film mounted on the frame from the front of the light guide plate, and a power supply unit for supplying power to the LED light source and the antenna.

In addition, it further includes a reflective film attached to the rear surface of the light guide plate.

In addition, the frame includes an intermediate frame and a front border frame coupled to one edge of the frame, and a rear edge frame coupled to the other edge of the intermediate frame.

In addition, the light guide plate may be any one of a convex type, a concave type, and a flat panel type.

In addition, the frame may be a hexahedron.

In addition, the printed film is a symbol, text, or picture for information or advertisement printed on the film, it is possible to attach and detach from the frame.

In addition, the power supply unit may supply power to the LED light source using at least one of a Jack & Plug type or OOK (On-Off Keying) signal using Bias T.

In addition, the frame may include a connector that is a fixing means for fixing to the ceiling or wall on one side.

In addition, the radio wave radiation direction of the antenna may be unidirectional or bidirectional, and the light guide plate, the LED light source, and the printed film may be symmetrical with respect to the antenna.

The guide display device incorporating an antenna according to an exemplary embodiment of the present invention is provided with an RF beam pattern adjustable antenna and an LED-type display device in one case, so that space can be efficiently utilized.

In addition, the antenna with adjustable RF beam pattern functions inside the frame, and the outside of the frame performs a guide or advertisement function by means of a printed film with symbols or phrases printed on it, so that the antenna does not impair the aesthetics of the installation place, and the information is displayed The function can improve the aesthetics.

In addition, the light guide plate that emits light by changing the LED light source to a surface light source is made of a dielectric material, so that the RF beam width and VSWR (Voltage Standing Wave Ratio) can be adjusted according to the shape of the light guide plate of the dielectric material, so that the space is efficiently spaced. can utilize

In addition, the RF beam width and VSWR (Voltage Standing Wave Ratio) are not controlled by the distance between the antenna and the dielectric, but by the shape of the light guide plate made of dielectric material, thereby reducing the space required for the antenna to function and efficiently using the space. can do.

In addition, by allowing the printing film to be detachable, it can be freely replaced when the printing film is damaged or worn out or when the content to be displayed needs to be changed.

In addition, the content to be guided or advertised can be delivered more effectively by providing a configuration necessary to perform a function to perform a function of displaying a guide or advertisement on both sides of the frame of the device so as to be symmetrical about the antenna.

In addition, it is possible to supply power to the LED light source through an OOK (On-OFF Keying) signal using the bias T of the power supply.

1 is a perspective view of a guide display device having a built-in antenna according to an embodiment of the present invention.
2 is an internal exploded view of a guide display device having a built-in antenna according to an embodiment of the present invention.
3 is a view showing various forms of the light guide plate of the present invention.
4 is a diagram illustrating an RF beam width according to a shape of a light guide plate made of a dielectric material of the present invention.
5 is a view showing an example of a printed design produced by the printing film of the present invention.
6 is a view showing a state of use of a guide display device having a built-in antenna according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, the embodiments described below are suitable for understanding the technical characteristics of a guide display device incorporating an antenna. However, the present invention is not limited to the embodiments described below, or the technical features of the present invention are not limited by the described embodiments, and various modifications are possible within the technical scope of the present invention.

1 is a perspective view of a guide display device having a built-in antenna according to an exemplary embodiment.

2 is an internal exploded view showing a guide display device having a built-in antenna according to an embodiment of the present invention.

The guide display device incorporating an antenna includes a frame 10 , an antenna 20 , a light guide plate 30 , an LED light source 40 , a reflective film 50 , a printing film 60 , and a power supply unit 70 .

The frame 10 covers the antenna 20, the light guide plate 30, the LED light source 40, the printed film 60, and the power supply unit 70 to protect and support the shape to be maintained. As such, it includes an intermediate frame 11 and a front frame frame 12 coupled to one edge of the intermediate frame, and a rear edge frame 13 coupled to the other edge of the intermediate frame.

By making it possible to combine the front frame 12 and the rear frame 13 at both ends of the intermediate frame 11, the front frame 12 or the rear frame 13 is an intermediate frame (11). It is relatively easily separated from the guide display device and the replacement and repair of parts of the antenna can be made relatively easily without cumbersome.

Although shown as a frame 10 having a rectangular prism shape in Figure 2, the case has various types of prismatic shapes such as a cylindrical shape, a triangular pole, a tetragonal pole, a pentagonal pole, a heptagonal pole, an octagonal pole, etc. can

The antenna 20 (Antenna) is a converter for transmitting and receiving electromagnetic waves in a specific region, that is, it serves to convert an electric signal represented by current and voltage and electromagnetic waves represented by an electric field and a magnetic field to each other. The electromagnetic wave radiated from the antenna 20 forms a beam in a specific direction, and a specific electromagnetic wave direction, shape, or position that can be transmitted and received through the beam is specified.

The antenna 20 is provided inside the frame 10 .

In the drawings, the radiation surface emitting radio waves from the antenna 20 is illustrated as a quadrangle, but the radiation surface of the antenna 20 may be a polygon other than a square, such as a circle, a triangle, a pentagon, or a hexagon.

The antenna 20 may be unidirectional, bidirectional, or omni-directional in the radio wave radiation direction.

The light guide plate 30 (Light Guide Plate) performs a function of uniformly transmitting the light emitted from the LED light source to the surface of the printing film.

The light guide plate 30 is installed at a position spaced apart from the antenna 20 .

The light guide plate 30 may be coupled to a groove of the frame 10 formed along an edge of the light guide plate, or may be fixed and supported by protrusions protruding from the frame 10 .

More specifically, the light guide plate 30 may be coupled to the groove of the intermediate frame 11 formed along the edge of the light guide plate 30 , or fixed and supported by a protrusion protruding from the intermediate frame 11 .

The light guide plate 30 is formed of any one material of polymethyl methacrylate (PMMA, polymethylmethacrylate) or polycarbonate (PC, polycarbonate) or MS resin (methylmethacrylate-styrene copolymer) or polyethylene terephthalate (PET, polyethylene terephthalate). It can be and there is no restriction on the material.

The light guide plate 30 is a dielectric material and may control an RF beam pattern of radiated radio waves. That is, the light guide plate 30 performs a function of uniformly transmitting the light emitted from the LED light source to the surface of the printing film 60 and a function of controlling the RF beam pattern radiated to the antenna 20, so that it can be efficiently space can be used.

The light guide plate 30 may have a convex shape, a concave shape, or a plate shape.

When the light guide plate 30 is convex, the shape of the RF beam pattern is widened, and when the light guide plate 30 is concave, the shape of the RF beam pattern is gathered, so that the RF beam pattern can be adjusted through the shape of the light guide plate 30 .

The LED light source 40 is disposed on at least one side of the light guide plate 30 to emit light in the direction of the light guide plate 30 .

The LED light source 40 is shown in the drawing in the form of an LED bar (BAR) in which a plurality of LEDs are integrated, but a plurality of LED light emitting diodes may be installed individually.

The reflective film 50 is attached to the rear surface of the light guide plate 30 , and prevents light emitted from the LED light source 40 from escaping from the light guide plate 30 to reduce light loss.

The printing film 50 is installed on the frame 10 from the front side of the light guide plate 30 .

The printing film 50 may be coupled to the groove of the frame 10 formed along the edge of the printing film 60 , or may be fixed and supported by a protrusion protruding from the frame 10 .

More specifically, coupled to the groove of the front frame 12 or the intermediate frame 11 formed along the edge of the printing film 60, or the front border frame 12 or the intermediate frame 11 It can be fixedly supported by the protruding protrusion.

The printed film 60 is a symbol, text or picture for information or advertisement printed on the film, and is detachable from the frame 10 .

The printed film 60 is a hard material and can be attached to and detached from the frame 10, so that it is relatively easy to replace when the printed film 60 is damaged or worn out or when the content to be displayed needs to be changed.

The power supply unit 70 supplies power to the LED light source 40 .

The power supply unit 70 may supply power to the LED light source using either an On-Off Keying (OOK) signal using a Jack & Plug type or Bias T.

A jack plug 71 may be provided on one side of the frame 10 .

The jack plug 71 is a jack and a plug, the jack is a terminal into which a plug is inserted to connect a wire to a circuit, and the plug is a connector of a cable.

Power may be supplied to the LED light source through the jack plug 71 .

In addition, a bias T may be provided inside the frame 10 to supply power to the LED light source. The Bias T means three input/output port terminals of a T-shape for applying DC power to the active element, and among the signals received by the feeder cable of the antenna 20, the OOK signal obtained by modulating DC using Bias T. Through the LED light source 40, it can be used as a power source.

3 is a view showing various forms of the light guide plate of the present invention.

The light guide plate 30 is installed at a position spaced apart from the antenna 20 , the LED light source 40 is disposed on at least one side of the light guide plate 30 , and the reflective film 50 is formed on the light guide plate 30 . ), and the printed film 60 is mounted on the frame 10 from the front side of the light guide plate 30 .

Fig. 3 (a) shows that the shape of the light guide plate is a convex type, Fig. 3 (b) is a flat panel type, and Fig. 3 (c) shows a concave type.

The RF beam pattern radiated from the antenna 20 may be controlled according to the shape of the light guide plate 30 .

4 is a diagram illustrating an RF beam width according to a shape of a light guide plate made of a dielectric material of the present invention.

4 (a) shows an RF beam pattern when the light guide plate is convex.

4 (b) shows an RF beam pattern when the light guide plate is of a flat plate type.

Figure 4 (c) shows the RF beam pattern when the light guide plate is triangular.

Since the RF beam width is different depending on the shape of the light guide plate, the RF beam pattern can be adjusted according to the shape of the light guide plate.

5 is a view showing an example of a printed design produced by the printing film of the present invention.

Figure 5 (a) is a schematic diagram showing a parking area for the disabled.

Fig. 5 (b) is a view showing guidance while photographing a security camera.

Fig. 5(c) is a schematic diagram showing guidance indicating the number of floors.

Fig. 5 (d) is a schematic diagram showing a toilet guide.

The printing film 60 is mounted on the frame 10 from the front of the light guide plate 30 .

The printed film 60 is a symbol, text or picture for information or advertisement printed on the film, and is detachable from the frame 10 .

By making the print film 60 detachable, it can be freely replaced when the print film 60 is damaged or worn out or when the content to be displayed needs to be changed.

6 is a view showing a state of use of a guide display device having a built-in antenna according to an embodiment of the present invention.

The frame 10 may form a connector 80, which is a fixing means for fixing to a ceiling or a wall, on one side.

6 (a) is a view showing a use state in which a guide display device having a built-in antenna according to an embodiment is attached to the ceiling and used.

After forming a groove in the text 82 to be installed and used on the ceiling, insert the connector 80, which is a fixing means formed on one side of the frame 10, and combine it using a nut 81 to fix the text 82. It can be used by fixing it to the ceiling.

6 (b) is a view showing a state of use in which a guide display device having a built-in antenna according to an embodiment is attached to a wall.

After forming a groove in the 'L'-shaped support 83 to be installed on the wall, the connector 80, which is a fixing means formed on one side of the frame 10, is inserted and combined using a nut 81. The 'L'-shaped support 83 can be fixed to the wall and used.

The antenna 20 may be unidirectional, bidirectional, or omni-directional in the radio wave radiation direction.

When the radio wave radiation direction of the antenna 20 is bidirectional, the light guide plate 30 , the LED light source 40 , and the printed film 60 may be symmetrical with respect to the antenna 200 .

The radio wave radiation direction of the antenna 20 is bidirectional, and the printed film 60 , the light guide plate 30 , and the LED light source 40 are installed on both sides of the frame 10 with respect to the antenna 20 . It can control the RF beam pattern so that it can transmit and receive radio waves well in both directions on the side of the aisle where people travel in the subway station or in both directions where the car moves in the tunnel, while also displaying information or advertisements on both sides. can be performed, so that the content of the guidance or advertisement to be delivered can be delivered efficiently.

10: Frame 80: Connect
11: Intermediate frame 81: Nut
12: front border frame 82: text
13: rear frame frame 83: 'L' shaped support
20: antenna
30: light guide plate
40: LED light source
50: reflective film
60: printing film
70: power supply
71: jack plug

Claims (9)

frame;
an antenna provided inside the frame;
a light guide plate installed at a position spaced apart from the antenna;
an LED light source disposed on at least one side of the light guide plate;
a printing film mounted on the frame from the front of the light guide plate; and
a power supply unit for supplying power to the LED light source;
includes,
The printing film is disposed parallel to the widest side of the frame so that the symbols, characters or pictures printed on the film can be recognized from the outside through the widest side of the frame,
The light guide plate is disposed parallel to the printing film,
The radiation direction of the antenna has a directivity toward the light guide plate disposed parallel to the printed film, and the beam pattern of the antenna is adjusted according to the shape of the light guide plate,
The light guide plate is a guide display device with a built-in antenna, characterized in that one of a convex type, a concave type, and a flat type is mounted. delete delete delete delete delete delete delete delete

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