KR101337199B1 - Method for Visible Light Communication Using Coordinates and Apparatus and System therefor - Google Patents

Abstract

Disclosed are a visible light communication method using coordinate values, and an apparatus and system for implementing the same.
A management server for storing information data input through an operation of an administrator and transmitting the information data according to a request of an external device; A visible light communication transmitting device which receives the information data from the management server, adds a coordinate value, and converts the information data into a visible light signal by flashing a light emitting element in which the coordinate value is preset; And a visible light communication receiver which receives the visible light signal from the visible light communication transmitter, converts the visible light signal into the information data, and displays the information data on the terminal. .
According to the present embodiment, the administrator can provide accurate information according to a user's request through lighting, transmit information without crosstalk between radio frequencies, and desired information through a preset lighting with coordinate values. There is an effect that can be provided to the location. In addition, the user can be provided with the information required by the user by requesting the information he wants to be provided.

Description

Visible light communication method using coordinate values and apparatus and system for implementing the same {Method for Visible Light Communication Using Coordinates and Apparatus and System therefor}

The present embodiment relates to a visible light communication method using coordinate values, and an apparatus and system for implementing the same. More specifically, the management server, which has received the request information input through the user's operation from the terminal, transmits the information data corresponding to the request information to the visible light communication transmitter, and the visible light communication transmitter transmits the information data to a preset coordinate value. Alternatively, a visible light communication method using a coordinate value for blinking a light emitting device having a specified coordinate value based on login information to transmit a visible light signal, and the visible light communication receiver receives the visible light signal and is displayed on the terminal, and an apparatus for implementing the same. And to the system.

The contents described in this section merely provide background information on the present embodiment and do not constitute the prior art.

The light emitting device utilizes lighting using a property of converting electricity into light. Among the light emitting devices, a light emitting device using a wavelength of visible light is applied to a communication field, and a visible light communication (VLC) technology capable of simultaneously communicating while maintaining an illumination function has been studied.

It is believed that such visible light communication can be utilized in various fields. In particular, in a large shopping mall or a building, a management server may provide information to a terminal carried by a user using visible light communication. Therefore, there is a need for a visible light communication technology for a manager to provide information to a user collectively in a large shopping mall or building. In addition, when the user requests the information to the management server, visible light communication technology for providing information data corresponding to the request information is required, and the visible light communication under study provides the information through a batch of lights, thereby accurately correcting the user. There is a problem in that it is not possible to provide information data by using the lighting of the position.

In order to solve the above problem, the present embodiment, the management server received the request information input from the user's operation from the terminal transmits the information data corresponding to the request information to the visible light transmission device, the visible light communication transmission device Visible light communication using a coordinate value for blinking the light emitting element having a specified coordinate value based on the preset coordinate value or login information to transmit the information data, and the visible light communication receiver receives the visible light signal to be displayed on the terminal Its main purpose is to provide a method and apparatus and system for implementing the same.

According to an aspect of the present embodiment to achieve the above object, a management server for storing the information data input through the operation of the administrator, and transmits the information data in response to a request of an external device;

A visible light communication transmitting device which receives the information data from the management server, adds a coordinate value, and converts the information data into a visible light signal by flashing a light emitting element in which the coordinate value is preset; And a visible light communication receiver which receives the visible light signal from the visible light communication transmitter, converts the visible light signal into the information data, and displays the information data on the terminal. .

According to another aspect of the present embodiment, the visible light communication transmitter is provided with a plurality of the light emitting elements, and each of the light emitting elements has a unique coordinate value based on the position provided. Provided is a visible light communication system using coordinate values.

According to another aspect of the present embodiment, the information data of claim 1, wherein the information data includes at least one or more of the advertisement information, product information, discount information, location information, authentication information and classification code, the advertisement The information is information including an advertisement for a product or a store, the discount information is information including a discount rate for a product, the location information is information including a location of a store or a product, and the classification code is the coordinate value. It provides a visible light communication system using the coordinate value, characterized in that it comprises code information for setting the.

In addition, according to another aspect of the present embodiment, the management server for storing the information data input through the operation of the administrator, and transmits the information data in response to a request of an external device; Receive information data from the management server, add coordinate values corresponding to the classification code included in the information data, modulate the information data added with the coordinate values into an electrical signal, and display the modulated electrical signal in visible light. Visible light communication transmitter for blinking to convert the signal to transmit; And a visible light communication receiver which receives the visible light signal from the visible light communication transmitter, converts the visible light signal into the information data, and displays the information data on the terminal. .

According to another aspect of the present embodiment, the visible light communication transmitting apparatus includes a plurality of the light emitting elements, wherein each of the light emitting elements has a unique coordinate value. Provides a visible light communication system using the value.

According to another aspect of the present embodiment, the visible light communication transmitting apparatus adds a coordinate value of the light emitting element corresponding to a classification code included in the information data. It provides a visible light communication system using.

According to another aspect of the present embodiment, in the visible light transmission apparatus,

The electrical signal modulated by the information data provides a visible light communication system using a coordinate value, characterized in that the digital signal (Digital Signal) capable of fast switching (On-Off).

In addition, according to another aspect of the present embodiment, the management server for storing the information data input through the operation of the administrator, and transmits the information data in response to a request of an external device; A visible light communication transmitting device which receives the information data from the management server, adds a coordinate value, and converts the information data into a visible light signal by flashing a light emitting element in which the coordinate value is preset; And a visible light communication receiver configured to receive a visible light signal from the visible light communication transmitter, convert the visible light signal into an electric signal, demodulate the electric signal into the information data, and display the information data on the terminal. Provides a visible light communication system using the coordinate value.

According to another aspect of the present invention, in the visible light communication method for performing visible light communication using coordinate values, the management server stores information data input through an operation of an administrator and stores the information data in visible light communication. Transmitting information data to a transmitting device; A visible light signal transmitting process of receiving the information data in the visible light communication transmitting apparatus, adding coordinate values, converting the information data into a visible light signal by blinking a light emitting element in which the coordinate values are preset; And a visible light signal receiving process for receiving the visible light signal from the visible light communication receiver, converting the visible light signal into the information data, and displaying the information data on the terminal.

In addition, according to another aspect of the present embodiment, in the visible light communication method for performing visible light communication using coordinate values, the management server stores information data input through an operation of an administrator and transmits the information data to visible light communication. Transmitting information data to the device; The visible light communication apparatus receives the information data from the management server, adds a coordinate value corresponding to a classification code included in the information data, modulates the information data added with the coordinate value into an electrical signal, and modulates the modulated information. A visible light signal transmission process of blinking to convert and transmit the electrical signal into a visible light signal; And a visible light signal receiving process for receiving the visible light signal from the visible light communication receiver, converting the visible light signal into the information data, and displaying the information data on the terminal.

In addition, according to another aspect of the present embodiment, in the visible light communication method for performing visible light communication using coordinate values, the management server stores information data input through an operation of an administrator and transmits the information data to visible light communication. Transmitting information data to the device; A visible light signal transmitting process of receiving the information data in the visible light communication transmitting apparatus, adding coordinate values, converting the information data into a visible light signal by blinking a light emitting element in which the coordinate values are preset; And receiving the visible light signal from the visible light communication transmitter, converting the visible light signal into an electrical signal, demodulating the electrical signal into the information data, and displaying the information data on the terminal. It provides a visible light communication method using a coordinate value.

In addition, according to another aspect of the present invention, the terminal for generating the login information and the request signal input through the user's operation;

A management server which receives the login information and the request signal from the terminal and transmits information data corresponding to the received request signal according to a request of an external device; Visible light communication that receives the information data, adds a coordinate value corresponding to the information data and modulates it into an electric signal, and converts the modulated electric signal into a visible light signal by flashing a light emitting element whose coordinate value is preset. Transmitter; And a visible light communication receiver for receiving the visible light signal, converting the signal into an electric signal, and demodulating the electric signal into information data so that the information data is displayed on the terminal, wherein the request signal is transmitted from the terminal to the management server. Provided is a visible light communication system using coordinate values, including a network for transmitting.

As described above, according to the present embodiment, an administrator can provide accurate information according to a user's request through lighting, transmit information without crosstalk between radio frequencies, and display the information based on coordinate values. There is an effect that can be provided in the desired position through the set lighting. In addition, the user can be provided with the information needed by the user by requesting the information that he wants to be provided, reduce the moving line when the user moves, and if the user is shopping, the user can conveniently shop without asking the clerk It can be effective.

1 is a block diagram schematically illustrating a visible light communication system using coordinate values according to a request signal according to the present embodiment;
2 is a block diagram schematically showing a visible light communication transmitting apparatus according to the present embodiment;
3 is a block diagram schematically showing a visible light communication receiving apparatus according to the present embodiment;
4 is a flowchart illustrating a visible light communication method using coordinates according to login information and a request signal according to the present embodiment;
5 is a flowchart illustrating a visible light communication method using coordinate values according to the present embodiment;
6 is an exemplary view for explaining a visible light communication system using coordinate values according to the present embodiment.

Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically illustrating a visible light communication system using coordinate values according to a request signal according to the present embodiment.

The visible light communication system 100 according to the present embodiment includes a visible light communication transmitter 110, a visible light communication receiver 120, a terminal 130, and a management server 140.

The visible light communication transmitter 110 refers to a device for transmitting information data received from the management server 140 to the visible light communication receiver 120 using visible light.

The visible light communication transmitter 110 according to the present embodiment receives the information data from the management server 140 and adds coordinate values of the preset light emitting element 242 corresponding to the classification code included in the information data to the information data. And modulates the electric signal, and flashes the light emitting element 242 to convert the modulated electric signal into a visible light signal for transmission. For example, when the visible light communication transmitter 110 receives the information data about the confectionary advertisement from the management server 140, the visible light communication transmitter 110 adds the coordinate value set at the confectionery corner to the information data and adds the digital signal. Modulate with. In addition, the light-emitting device 242 corresponding to the coordinate value of the corner of the condensed digital signal flashes to transmit the digital signal as a visible light signal.

The visible light communication receiver 120 refers to a device for receiving information data from the visible light communication transmitter 110 using visible light and displaying the information data on the terminal 130.

The visible light communication receiver 120 according to the present embodiment receives the visible light signal from the visible light communication transmitter 110, converts the visible light signal into an electrical signal, and demodulates the converted electrical signal into information data to be displayed on the terminal 130. . For example, the visible light signal is received from the visible light transmission apparatus 110 and converted into a digital signal, and the digital signal is demodulated into information data for the sweets advertisement so that the user can receive the sweets advertisement through the terminal 130. .

Meanwhile, in the present exemplary embodiment, the visible light communication receiver 120 is illustrated as a separate device from the terminal 130, but is not necessarily limited thereto and may be included in the terminal 130 as necessary.

The terminal 130 refers to a communication terminal capable of transmitting and receiving various data via a communication network according to a user's key operation, and includes a tablet PC, a laptop, a personal computer, and a smart device. It may be one of a smart phone, a personal digital assistant (PDA), a mobile communication terminal, and the like. That is, the terminal 130 is a terminal that performs data communication with the management server 140 via a network network, and includes a memory for performing data communication, a microprocessor for executing and controlling various programs, and the like. Means the terminal. Therefore, the terminal 130 is a broad concept including both a communication computing device capable of data communication with the management server 140 via a network. Meanwhile, the terminal 130 is preferably manufactured in a form having a touch screen, but is not necessarily limited thereto.

The terminal 130 according to the present embodiment refers to a module connected to the visible light communication receiver 120 to display information data. In addition, the terminal 130 transmits a request signal input through a user's operation to the management server 140 via a network as necessary. Here, the terminal 130 may transmit the management server 140 including the user's login information and the user's location (coordinate value) together with the request signal.

The management server 140 stores the input information data through the operation of the administrator, and transmits the information data to the visible light transmission device 110. Here, the information data includes information such as advertisement information, product information, discount information, location information, authentication information, classification code, and the like. For example, the advertisement information may be information for delivering an advertisement for a product or a store to the user, and the product information may be information for delivering detailed information about the product displayed on the display rack when the user stands in front of the display rack. Can be.

In addition, when the user transmits the location request information to the management server 140 through the terminal 130, location information corresponding to the location request information may be included in the information data.

The classification code included in the information data is a code for designating a coordinate value. For example, when the classification code is "101", the classification code corresponds to No. 1 on the first floor. Indicates a coordinate value corresponding to. On the other hand, the classification code according to the present embodiment may be changed in accordance with a method previously set by the administrator may be included in the information data.

The management server 140 according to the present embodiment receives the request signal and the login information from the terminal 130. For example, when a user transmits request information including shopping discount information and login information using an ID and password to the management server 140 in the mart, the management server 140. May include information such as current shopping discount information, a logged-in user's reserve, favorite products, and the like in the information data and transmit the information to the visible light communication transmitter 110.

2 is a block diagram schematically showing a visible light communication transmission apparatus according to the present embodiment.

The visible light communication transmitter 110 according to the present embodiment includes a communication unit 210, a transmission controller 220, a signal modulator 230, and a light emitter 240. In the present exemplary embodiment, the visible light communication transmitter 110 includes only the communication unit 210, the transmission control unit 220, the signal modulation unit 230, and the light emission unit 240. It is merely illustrative, and those skilled in the art to which the present embodiment belongs have various modifications to the components included in the visible light communication apparatus 110 without departing from the essential characteristics of the present embodiment. It will be applicable to the modification. In addition, each module is described as being implemented in the visible light transmission apparatus 110, but is not necessarily limited thereto, and may be implemented as an external separate module as necessary.

The communication unit 210 is a module for receiving data when the visible light communication transmitter 110 is connected to the management server 140. The communication unit 210 according to the present embodiment receives information data from the management server 140. . Here, the information data refers to information corresponding to the request signal generated by the terminal 130. Here, the information data includes information such as advertisement information, product information, discount information, location information, authentication information, classification code, and the like.

On the other hand, the communication unit 210 is described as receiving information data only in the management server 140, but is not necessarily limited thereto, for example, the communication unit 210 information using a power line communication (PLC) method In the case of receiving data, information data may be received through a power line. Here, the power line communication method is a technology for transmitting voice, text data, video, and content by using a power line generally used to supply electricity, and communicates in a frequency band (1 to 30 Hz) other than a commercial frequency (60 Hz). You can send a signal.

The transmission control unit 220 designates a coordinate value of the light emitting device for transmitting the information data in the visible light communication transmitter 110, and selects the visible light communication transmitter 110 based on a classification code, login information, and the like included in the information data. The module to control.

The transmission controller 220 according to the present exemplary embodiment adds a coordinate value to the information data received from the communication unit 210 to determine the light emitting device 242 for transmitting the information data. Here, the coordinate value means position information of the light emitting device corresponding to the classification code included in the information data. The classification code included in the information data indicates, for example, the coordinate value corresponding to No. 1 on the first floor when the classification code is "101", and the coordinate value corresponding to No. 13 on the third floor when "313". On the other hand, the classification code according to the present embodiment may be changed in accordance with a method previously set by the administrator and included in the information data.

In addition, when the login information is included in the information data, the transmission controller 220 may authenticate only the user corresponding to the login information to be provided with the information. For example, when the mart includes login information in the information data, the information may be secured and transmitted to provide only the user with information such as a user's reserve and a favorite product.

The signal modulator 230 refers to a module that modulates information data into an electrical signal.

The signal modulator 230 according to the present embodiment modulates the information data and the coordinate value added by the transmission controller 220 into an electric signal. Here, the electrical signal is preferably a digital signal for fast switching (On-Off) in the light emitting element 242. In addition, the modulation method of the information data in the signal modulation unit 230 is preferably a frequency shift keying (FSK: Frequency Shift Keying), but is not necessarily limited thereto. The modulation method of the signal capable of fast switching in the light emitting device 242 is preferred. If so, any way is possible.

The light emitter 240 refers to a module that converts electrical energy into light energy.

The light emitting unit 240 according to the present exemplary embodiment includes a plurality of light emitting elements 242, and refers to a module for converting an electric signal modulated from the signal modulator 230 into visible light signals and transmitting the light through light. In more detail, the light emitter 240 converts the electric signal modulated from the signal modulator 230 into a visible light signal by rapidly blinking (fast switching) 200 times or more per second through the light emitting element 242, and converts the converted visible light. The signal is transmitted to the visible light communication receiver 120. In addition, the plurality of light emitting devices 242 included in the light emitting unit 240 may have respective preset coordinate values, and the light emitting devices having the same coordinate value added to the information data by the preset control value and the transmission control unit 220 ( The visible light signal is transmitted to the visible light communication receiver 120 using the signal 242. Here, the light emitting device 242 is preferably a light emitting diode (LED), but is not necessarily limited thereto. For example, a fluorescent lamp, an incandescent lamp, a halogen lamp, an organic light emitting diode (OLED), a plasma lighting system (PLS), or the like may be used. It could be lighting.

3 is a block diagram schematically illustrating a visible light communication receiving apparatus according to the present embodiment.

The visible light communication receiver 120 according to the present embodiment includes a light receiving element 310, a signal demodulation unit 320, a reception control unit 330, and a terminal connection unit 340. In the present exemplary embodiment, the visible light communication receiver 120 includes only the light receiving element 310, the signal demodulation unit 320, the reception control unit 330, and the terminal connection unit 340. This is just an example, and those skilled in the art to which this embodiment belongs, various modifications to the components included in the visible light communication receiver 120 without departing from the essential characteristics of this embodiment And modifications may be applicable. In addition, each module is described as being implemented in the visible light communication receiver 120, but is not necessarily limited thereto, and may be implemented as an external separate module as necessary.

The light receiving element 310 refers to a module for converting light energy into electrical energy.

The light receiving device 310 according to the present exemplary embodiment refers to a module that receives the visible light signal and converts the visible light signal into an electric signal when the visible light communication receiver 120 receives the visible light signal from the visible light communication transmitter 110. Here, the light receiving device 310 is preferably implemented as a photo diode (PD), but is not necessarily limited thereto, and any light emitting device 310 may be implemented as any device as long as it can receive and convert a visible light signal into an electrical signal. .

The signal demodulator 320 refers to a module that demodulates an electrical signal into information data.

The signal demodulator 320 according to the present embodiment demodulates the electric signal converted by the light receiving element 310 into information data provided to the user through the terminal 130.

Meanwhile, the signal demodulator 320 may demodulate in the reverse order of the method of modulating the signal in the signal modulator 230 included in the visible light communication transmitter 110.

The reception control unit 330 according to the present embodiment is a module for checking whether or not the secured information data matches the user's login information when the user receives the information data through login.

The terminal connection unit 340 refers to a module for displaying information data on the terminal 130 when the visible light transmission apparatus 110 is connected to the terminal 130.

The terminal connection unit 340 according to the present embodiment is preferably physically connected to the terminal 130 to transmit information data, but is not necessarily limited thereto. For example, when the terminal 130 is a smartphone, it may be connected using a data connection jack. When the terminal 130 is a multimedia terminal using a USB, it may be connected using a USB jack.

4 is a flowchart illustrating a visible light communication method using coordinates according to login information and a request signal according to the present embodiment.

The management server 140 receives the login information and the request signal input through the user's operation from the terminal 130 (S410), and the information data corresponding to the login information and the request signal received from the terminal 130 in visible light communication. It transmits to the transmitter 110 (S420). Here, the information data includes information such as advertisement information, product information, discount information, location information, authentication information, classification code, and the like. For example, the advertisement information may be information for delivering an advertisement for a product or a store to the user, and the product information may be information for delivering detailed information about the product displayed on the display rack when the user stands in front of the display rack. Can be.

The visible light communication transmitter 110 receives the information data from the management server 140, adds a coordinate value to the information data, and modulates it into an electrical signal (S430). In addition, the visible light communication transmitter 110 may set a security to provide the information data only to the user corresponding to the login information in the information data. Here, the coordinate value means position information of the light emitting device corresponding to the classification code included in the information data. In addition, the modulation scheme of the information data is preferably frequency shift keying (FSK: Frequency Shift Keying). However, the present invention is not limited thereto, and any modulation scheme may be used as long as the signal can be switched quickly in the light emitting device 242. .

The visible light communication transmitter 110 blinks the light emitting element 242 whose coordinate value is set, converts an electric signal into a visible light signal, and transmits the visible light signal to the visible light communication receiver 120 (S440). Here, the light emitting device 242 flashes an electric signal 200 times or more quickly per second (fast switching) to convert the visible light signal, and transmits the converted visible light signal to the visible light communication receiver 120. In addition, the plurality of light emitting devices 242 have preset coordinate values, and transmit visible light signals to the visible light communication receiver 120 using the light emitting devices 242 corresponding to the preset coordinate values.

The visible light communication receiver 120 receives the visible light signal from the visible light communication transmitter 110 and converts the received visible light signal into an electrical signal (S450). Here, the visible light communication receiver 120 preferably includes a photodiode to receive the visible light signal, but is not necessarily limited thereto.

The visible light communication receiver 120 determines whether the converted electrical signal is a signal corresponding to the login information, and if it is determined that the electrical signal corresponds to the login information (S460), the visible light communication receiver 120 may transmit the electrical signal. The demodulated information data (S470), and the demodulated information data is displayed on the connected terminal 130 (S480). Here, the visible light communication receiver 120 is preferably physically connected to the terminal 130 to transmit information data, but is not necessarily limited thereto.

5 is a flowchart illustrating a visible light communication method using coordinate values according to the present embodiment.

The management server 140 transmits the input information data through the operation of the manager to the visible light transmission device 110 (S510).

The visible light communication transmitter 110 receives the information data from the management server 140, adds a coordinate value to the information data, and modulates it into an electric signal (S520). Here, the information data includes information such as advertisement information, product information, discount information, location information, authentication information, classification code, and the like.

The visible light communication transmitter 110 blinks the light emitting element 242 whose coordinate value is preset, converts an electric signal into a visible light signal, and transmits the visible light signal to the visible light communication receiver 120 (S530). Here, the coordinate value means position information of the light emitting device corresponding to the classification code included in the information data. In addition, the light emitting device 242 flashes an electric signal 200 times or more quickly per second (fast switching) to convert the visible light signal, and transmits the converted visible light signal to the visible light communication receiver 120.

The visible light communication receiver 120 receives the visible light signal from the visible light communication transmitter 110, converts the received visible light signal into an electric signal (S540), and demodulates the converted electric signal into information data (S550). The visible light communication receiver 120 preferably includes a photodiode for receiving a visible light signal, but is not necessarily limited thereto.

The visible light communication receiver 120 displays the demodulated information data on the connected terminal 130 (S560). Here, the visible light communication receiver 120 is preferably physically connected to the terminal 130 to transmit information data, but is not necessarily limited thereto.

6 is an exemplary view for explaining a visible light communication system using coordinate values according to the present embodiment.

FIG. 6 illustrates a large building having a parking lot in the basement, a mart on the first floor, and a plurality of stores on the second floor to explain a visible light communication system using coordinate values. In addition, the illumination provided in each floor has coordinate values of B1-1, B1-2 and B1-3, coordinate values of 1-1, 1-2 and 1-3 for the first floor, 2-1 for the second floor, The coordinate values of 2-2 and 2-3 are described as being set. In addition, in FIG. 6, the lighting is assumed to be a device including both visible light communication and general lighting of the visible light communication transmitter 110.

A visible light communication system using coordinate values in each layer is as follows.

In the first floor, when the user carries the terminal 130 and is in the mart, the user may receive product information and discount information about the goods displayed on the display rack 610 through the terminal 130 from the lighting of 1-1. have. In addition, when a user inputs a plurality of products purchased by the user through the terminal 130 and transmits them to the management server 140, the management server 140 includes information data including price and discount information on the purchased products. 1-1 is transmitted to the terminal using the lighting.

When the user carries the terminal 130 and passes through a plurality of stores on the second floor, the user may receive advertisement information and location information about nearby stores through the terminal 130 from the 2-1 lighting. In addition, when the user transmits the location request information of the pharmacy 620 through the terminal 130 to the management server 140, the management server 140 searches for a route using the pre-stored map information, the searched location Information data including the information is transmitted to the terminal 130 using 2-1 lighting.

In addition, when the user transmits the location request information of the car 630 parked using the terminal 130 to the management server 140 in the mart, the management server 140 is a pre-stored car through the sensor of the parking lot In operation 630, the parking information is identified and the information data including the location information of the car 630 requested by the user is transmitted to the terminal 130 using 1-1 lighting.

The foregoing description is merely illustrative of the technical idea of the present embodiment, and various modifications and changes may be made to those skilled in the art without departing from the essential characteristics of the embodiments. Therefore, the present embodiments are to be construed as illustrative rather than restrictive, and the scope of the technical idea of the present embodiment is not limited by these embodiments. The scope of protection of the present embodiment should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

100: visible light communication system 110: visible light communication transmitter
120: visible light communication receiver 130: terminal
140: management server 210: communication unit
220: transmission control unit 230: signal modulation unit
240: light emitting unit 242: light emitting device
310: light receiving element 320: signal demodulation unit
330: receiving control unit 340: terminal connection unit

Claims (16)

A management server for receiving login information and a request signal from a terminal and storing product information corresponding to the login information and the request signal;
Visible light obtained by converting the commodity data by setting coordinates to the commodity data received from the management server based on the login information, adding a coordinate value to the commodity data, and flashing a light emitting element corresponding to the coordinate value. Visible light communication transmitter for transmitting a signal; And
Receiving the visible light signal from the visible light transmission device and converts the visible light signal into the product data, and the visible light communication reception so that the product data is displayed on the terminal only if the security information of the product data corresponding to the login information Device
Visible light communication system using a coordinate value comprising a. The method of claim 1,
The visible light communication transmitter,
Adding the coordinate value corresponding to a classification code to the product data, modulating the product data to which the coordinate value is added, into an electrical signal, and converting the modulated electrical signal into the visible light signal and transmitting the
The apparatus for transmitting visible light includes a plurality of the light emitting elements, and each of the light emitting elements has a unique coordinate value based on a position provided therein. 3. The method of claim 2,
The coordinate value is,
And a coordinate value of the light emitting device corresponding to a classification code included in the product data. The method of claim 1,
The product data,
Include at least one or more of the advertisement information, product information, discount information, location information, authentication information and classification code,
The advertisement information is information including an advertisement for a product or a store,
The product information is detailed information of the products displayed in the store,
The discount information is information including a discount rate for a product, the location information is information including a location of a store or a product,
The classification code is information including code information for setting the coordinate value,
The authentication information is information on which security is set based on the login information, and includes a coordinate value, characterized in that it includes at least one or more information of the reserve information, favorite product information, and member discount information of the logged-in user. Visible light communication system using. The method of claim 1,
The light-
Including at least one light emitting module of fluorescent, incandescent, halogen, Light Emitting Diode (LED), Organic Light Emitting Diodes (OLED) and Plasma Lighting System (PLS),
And converting the commodity data into the visible light signal within the range of 480 nm to 780 nm and blinking. delete delete delete 3. The method of claim 2,
In the visible light transmission device,
The electric signal modulating the product data is a visible signal system using a coordinate value, characterized in that the digital signal (Digital Signal) capable of fast switching (On-Off). delete The method of claim 1,
The visible light communication receiver,
Receiving the visible signal from the visible light communication transmitter and converting the visible signal into an electrical signal, demodulating the electrical signal into the commodity data, and displaying the commodity data on the terminal;
A visible light communication system using a coordinate value, characterized in that for converting the visible light signal to the electrical signal using a photo diode (PD).
Visible light communication system using a coordinate value, characterized in that. delete In the method for the visible light communication using the coordinate value,
A product data storing step of receiving login information and a request signal from a terminal at a management server and storing product information corresponding to the login information and the request signal;
A security setting process of setting security information on the product data received by the visible light communication transmitter based on the login information;
A visible light signal transmitting process of adding visible coordinates to the commodity data in the visible light communication transmitting apparatus and flashing a light emitting element corresponding to the coordinate value to transmit the visible light signal converted from the commodity data; And
A visible light signal receiving process converts the visible light signal into the product data at a visible light communication receiver and displays the product data on the terminal only when the security information of the product data corresponds to the login information.
Visible light communication method using a coordinate value comprising a. delete delete delete

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