KR20160003545A - Electronic information lable with a plurality of network identification addresses - Google Patents

Abstract

Disclosed is a technology about an electronic label which electronically displays information of products displayed in a shop. According to an embodiment of the present invention, the electronic label comprises: a communication unit having a plurality of network identification addresses; a display unit divided into a plurality of logically displayed regions corresponding to the network identification addresses of the communication unit, respectively; and a control unit receiving information, which is transmitted by a different network identification address through the communication unit, applying a display corresponding to the display region to show a plurality of electronic labels on a network.

Description

[0001] ELECTRONIC INFORMATION LABEL WITH A PLURALITY OF NETWORK IDENTIFICATION ADDRESSES [0002]

A technique relating to an electronic label for electronically displaying information of products displayed in a store is disclosed.

An electronic information label (EIL) is an electronic device that replaces a paper label that displays product information (eg, price, origin, etc.) on a merchandise shelf in a store. The electronic label communicates with the management server to receive product information such as the name of the product and the price of the product from the management server, and displays the received product information on the display.

The electronic labels communicate with the management server via a repeater. The electronic labels managed through the same repeater can form one group, the electronic labels are divided into a plurality of groups, and the product information is updated for each group. In order to reduce the power consumption of the electronic label powered by the battery, the electronic labels remain in a sleep state except for the wakeup period required for information update. Also, the display often uses an electronic paper display (EPD) to maintain the information display state even when no power is supplied. During the wakeup period, the electronic label listens for communication from the management server, and if there is data to be received from the management server, the electronic label receives and stores the data. This data includes product information.

Currently, for electronic labels, the electronic paper display only displays information about one item displayed on the merchandise display where the electronic label is located. On the other hand, when the size of the product is smaller than the size of the electronic label, the corresponding electronic label is not positioned directly below the product, so that the product may be placed on the shelf of the product in which the electronic label is located.

And proposes an electronic label capable of displaying information on a plurality of goods in a display area of one electronic label.

An electronic label capable of separating and controlling the display area into a plurality of areas in one electronic label is proposed.

An electronic label capable of controlling an electronic label having a plurality of display areas without changing the protocol is proposed.

According to one aspect of the present invention, an electronic label includes a communication unit, a display unit, and a control unit. The communication unit has a plurality of network identification addresses, and the display unit is divided into a plurality of logical display areas corresponding to respective network identification addresses of the communication unit. The control unit receives the information transmitted to the different network identification address through the communication unit and reflects the information on the display of the corresponding display areas. That is, the control unit processes each logical display area corresponding to the network identification address so as to be displayed as a separate virtual electronic label on the network.

According to an aspect, a plurality of logical display areas may have the same size of each display area. According to another aspect, the plurality of logical display areas may have different sizes of the respective display areas.

According to another aspect, the control unit of the electronic label may include a product information updating unit. The product information update unit receives the product information transmitted through one of the plurality of network identification addresses through the communication unit and controls the product information to be displayed in the corresponding logical display area.

According to yet another aspect, the product information update unit of the control unit of the electronic label stores the status information of the process of receiving the product information through the communication unit by the virtual electronic label, and manages the product information update process of the plurality of virtual electronic labels .

The proposed invention has the effect of displaying information on a plurality of products in the display area of one electronic label. Further, there is an effect that the display area can be divided into a plurality of areas and controlled by one electronic label.

The proposed invention has an effect that the electronic label having a plurality of display areas can be controlled without changing the protocol. Furthermore, by supporting multiple network identification addresses, compatibility with existing electronic labels can be maintained and hardware material costs can be reduced.

1 is a diagram illustrating a configuration of an electronic label management system according to an embodiment.
2 is a diagram showing an example in which a conventional electronic label is applied to a shelf of a commodity.
3 is a view showing an example in which an electronic label according to one embodiment is applied to a shelf of a merchandise.
4 is a block diagram illustrating the structure of an electronic label according to one embodiment.
5 is a block diagram showing the structure of an electronic label according to another embodiment.
6 is a diagram illustrating an electronic label including a plurality of logical display areas according to an embodiment.
7 is a view for explaining an electronic label including a plurality of logical display areas according to another embodiment.
FIG. 8 is a flowchart illustrating a method of updating information of an electronic label according to an embodiment.
9 is a flowchart illustrating a method of updating information of an electronic label according to another embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. These drawings and the embodiments are merely examples for explaining the invention, and the technical scope thereof is not limited or changed. It should also be appreciated that variations and modifications obvious to a person skilled in the art are possible within the scope of the technical idea of the proposed invention based on these examples.

1 is a diagram illustrating a configuration of an electronic label management system according to an embodiment.

Referring to FIG. 1, an electronic label management system according to an aspect includes a management server 10, a repeater 20 for relaying information, and an electronic label 30.

The management server 10 includes electronic labels 30-1-1, 30-1-2, ..., 30-k that are divided into a plurality of groups and managed through the repeaters 20-1, 20-2, ..., 20- -1-m1, ..., 30-k-1, 30-k-2, ..., 30-k-mk. The management server 10 is wired to the repeaters 20-1, 20-2, ..., 20-k and is connected to the repeaters 20-1, 20-2, ..., 20- Are communicated in accordance with a protocol defined on the PHY / MAC layer according to short-range wireless communication, for example the IEEE 802.14.4 standard.

The management server 10 provides a function of storing and distributing data for information management. Specifically, product information such as prices for products displayed on the store is stored and transmitted. It also manages information that maps the electronic label and product information. Here, the management server 10 includes a goods information database (Datebase) in which goods information and management information necessary for system operation are stored, and a middle ware that plays a role of connecting and relaying the external device and the database .

The repeater 20 provides a function of relaying information between the electronic label 30 and the management server 10. Here, the repeater 20 may be connected to the management server 10 through a wired network such as Ethernet or the like and may be connected to the electronic label 30 through a wireless network such as Wi-Fi or Zigbee communication. For example, the repeater 20 may be a WiFi access point (AP) or a Zigbee gateway.

The electronic label 30 receives information from the management server 10 via the relay device 20 and displays it. The electronic label 30 and the repeater 20 can be connected to a wired network as needed. Alternatively, the electronic label 30 may receive information from the direct management server 10 and display it.

2 is a diagram showing an example in which a conventional electronic label is applied to a shelf of a commodity.

The electronic label is mounted in a shop in a place where buyers can see on the display stand where the goods are displayed in the store, and the product information of the goods displayed on the display stand can be displayed. The size of the electronic label and the size of the display area of the electronic label are fixed to a specific size and only the information of one product is displayed in the display area of one electronic label, An electronic label indicating information about the product may not be located immediately below the product.

Referring to FIG. 2, for example, when a product A, a product B, a product C, a product D, and a product E are displayed on one floor of a shelf, considering the size of the display shelf and the size of the electronic label, If only the electronic label can be attached, it is not possible to mount each electronic label indicating the information on the product D and the product E on the shelf on which the product D and the product E are displayed. As another example, when the size of the product A is smaller than the size of one of the electronic labels, the electronic label indicating the information about the product A is located up to the area where the electronic label indicating the information about the product B is to be mounted, The position and the location on which the merchandise displayed by the mounted electronic label are displayed may not be matched. In this example, the commodity C is not displayed on the shelf with the electronic label indicating the information about the commodity C, which may cause confusion about the commodity information to the commodity buyers.

3 is a view showing an example in which an electronic label according to one embodiment is applied to a shelf of a merchandise.

Generally, the electronic label 100 is mounted at a merchandise shelf in a store so as to be located directly below the merchandise. According to one aspect, the display portion of the electronic label is divided into a plurality of logical display regions.

Referring to FIG. 3, for example, the size of each logical display area of the electronic label 100 may be determined according to the size of the product, mainly the length of the product. As another example, the size of each logical display area of the electronic label 100 may be determined according to the width of the space in which the merchandise is to be displayed. The size of the display area of the electronic label 100 can be adjusted according to the size of the merchandise or the width of the display space of the merchandise even if various kinds of merchandise of various sizes are displayed on the merchandise shelves in the store. Therefore, even if various kinds of merchandise having a size smaller than the size of the electronic label 100 are displayed together, an electronic label indicating information about the merchandise is located directly under the merchandise, thereby causing confusion in the merchandise information to the merchandise buyers The problem does not occur. For example, the information of product A and the information of product B can be physically displayed in each of two display areas logically divided into one electronic label. For another example, the information of item C, the information of item D, and the information of item E can be physically displayed in each of three display areas logically divided into one electronic label. In these examples, each of the logically divided display areas represents product information transmitted to a different network identification address, and each of the logical display areas corresponding to the network identification address can be independently controlled.

4 is a block diagram illustrating the structure of an electronic label according to one embodiment.

Referring to FIG. 4, an electronic label 100 according to an embodiment includes a communication unit 110, a display unit 120, and a control unit 130. The configuration of the electronic label 100 shown in Fig. 4 is exemplary, and the electronic label 100 may have only some of the modules shown in Fig. 2 and / or may additionally include other modules necessary for its operation can do. For example, the electronic label 100 may further include a manipulation unit or the like through which a user can directly input information on a product or an operation command.

The electronic label 100 is mounted in a shop on a display stand on which products are displayed, and can display product information of products displayed on the display stand.

As used herein, 'product information' refers to information for identifying or discriminating a product, a product name, price information of the product, information on the origin of the product, or information on the entire process of production, distribution, storage and consumption of the product do.

The communication unit 110 has a plurality of network identification addresses and can communicate with the management server 10 or the repeater 20 through the network. Here, 'network identification address' means a unique address assigned to identify a physical medium on a network. For example, the network identification address may be a MAC address. The size of the medium access control address is 48 bits. When the IEEE (Institute of Electrical and Electronics Engineers) allocates the first 24 bits to the vendor, the vendor allocates the latter 24 bits in detail. That is, the first 24 bits are OUI (Organizational Unique Identifier) as the identification number of the manufacturer, and the remaining 24 bits are the serial numbers given by the manufacturer. The medium access control address is assigned one network address for each network addressable unit (NAU), which identifies itself to another NAU and selects the path to the receiving NAU by the path control network . That is, the MAC address is an address that identifies the network device together with the IP address.

In one embodiment, the communication unit 110 is connected to a network switch through a wired network. In the wired network, the communication unit 110 constitutes one physical port, but has a plurality of network identification addresses, and registers a plurality of network identification addresses in the network switch. The network switch routes all packets destined for the plurality of network identification addresses to this single physical port.

In another embodiment, the communication unit 110 is connected to a network switch or a repeater through a wireless network. In the wireless network, the communication unit 110 has a plurality of network identification addresses, and registers a plurality of network identification addresses in a network switch or a repeater. The repeater receives all packets destined for the plurality of network identification addresses and transmits them through the wireless network. The communication unit 110 receives all the packets destined for the plurality of network identification addresses, and notifies the repeater that the packets are normally received.

The display unit 120 is divided into a plurality of logical display areas corresponding to the respective network identification addresses of the communication unit 110. Each of the plurality of logical display areas constitutes a display part of the virtual electronic label, which is independent on the network. Here, 'virtual electronic label' refers to the individual electronic labels when one electronic label is physically distinguishable from a plurality of different electronic labels on the network. Physically, one electronic label may include a plurality of virtual electronic labels. Thus, one electronic label may physically include a plurality of network identification addresses, and the number of virtual electronic labels may be determined according to the usage pattern of the electronic label. The virtual electronic label has its own network identification address and can be managed for each virtual electronic label in the electronic label management system. One virtual electronic label can display information about one product.

According to an aspect, the display unit 120 may have the same size of the display area of each of the plurality of logical display areas. That is, the logical display area can be divided so that the size of the virtual electronic label is the same. According to another aspect, the display unit 120 may be different in the size of the display area of each of the plurality of logical display areas. That is, the logical display area can be distinguished so that the size of the virtual electronic label is different. The size of the virtual electronic label, i.e., the size of the logical display area, can be determined according to the usage pattern of the electronic label.

According to another aspect, the display unit 120 may be an electronic paper display (EPD) apparatus that maintains the information display state even when power is not supplied. The display unit 120 may be, for example, an LCD, a PDP, an LED, a CRT, or the like.

On the other hand, the electronic paper display (EPD) includes a twist ball type of Xerox using hemispherical twist ball filled with electrostatic charge, electrophoretic display of E-ink using electrophoresis and microcapsules, and cholesterol liquid crystal of Kent Display using cholesterol liquid crystal Display and the like are known. For example, in the illustrated embodiment, the electronic paper displays include a TFT substrate on which a thin film transistor (TFT) is formed on a polysilicon layer deposited on a plastic substrate, a transparent electrode substrate, and a microcapsule layer encapsulated therebetween And may be a product in which CMOS circuits are formed by recrystallizing an edge region of the TFT substrate.

The control unit 130 receives the information transmitted to the different network identification addresses through the communication unit and reflects the information on the display of the corresponding display areas so as to be displayed as a plurality of virtual electronic labels on the network. In the management server 10, a different network identification address is assigned to each virtual electronic label, and the product information is managed to be transferred to the assigned network identification address, so that each virtual electronic label is managed as a separate electronic label, Lt; RTI ID = 0.0 > and / or < / RTI >

According to an aspect, the control unit 130 may include a product information updating unit 131. [

The product information updating unit 131 controls the communication unit 110 to receive the product information transmitted to one of the plurality of network identification addresses and to display the product information in the corresponding logical display area. Specifically, when the product information updating unit 131 receives the product information through one of the plurality of network identification addresses through the communication unit 110, the product information updating unit 131 updates the product information in the logical display area corresponding to the received network identification address And controls to display the received product information. The merchandise information displayed in the logical display area corresponding to the network identification address received from the merchandise information among the logical display areas of the electronic label having the display section divided into the plurality of logical display areas can be updated. That is, only the display of the virtual electronic label having received the product information at the network identification address can be updated.

In one embodiment, the display unit 120 in the display area control of the display area 120 includes a frame memory. In one embodiment, the logical display areas of the display 120 occupy different areas of the frame memory. As another example, when the logical display areas include common display information, the areas occupied by the logical display areas in the frame memory may overlap each other. Driving the display of the virtual electronic label is implemented in the form of a display driver, accessing the occupied areas of each assigned frame memory to display the display data requested to be displayed. The application programs may call the corresponding display driver according to the network identification address to display the information in the corresponding virtual electronic label. For example, the product information update unit 131 can identify the destination of the received packet, that is, the network identification address, and display the received product information by calling the corresponding display driver according to the address.

According to another aspect, the product information updating unit 131 stores the state information of the process of receiving the product information through the communication unit 110 for each virtual electronic label, and refers to the state information of the process of updating the product information of the plurality of virtual electronic labels Management. The status information stored for each virtual electronic label may include size information of display areas of each virtual electronic label.

According to one embodiment, the product information update unit 131 updates the status information of the network identification address to a sleep state, a network join state, an information reception state, a wake up signal listening state, As shown in FIG. For example, in an electronic label having two network identification addresses, status information of network identification addresses is managed for each network identification address, respectively. The virtual electronic label having the first network identification address is stored in the sleep state, the virtual electronic label having the second network identification address is stored in the information reception state, and the product information of the electronic label Update processing can be managed.

In one embodiment, an electronic label that is physically one can operate to cause a plurality of virtual electronic labels to simultaneously wake up from the sleep state and simultaneously switch to the sleep state. In this case, there may or may not be product update information for each virtual electronic label. In a common wakeup channel listening step after wakeup, the presence or absence of product update information is confirmed for each virtual electronic label, and the resultant state information can be stored. The update information can be received by accessing the corresponding data channel with respect to the virtual electronic label having the product update information. When the reception of the update information is completed, the received information can be driven to be displayed in the corresponding logical display area. While the display is being processed in this logical display area, reception of the update information may proceed to another virtual electronic label. If data reception fails for one virtual electronic label, the state information is stored, and data reception can be attempted sequentially for other virtual electronic labels. After receiving the successful update information, another receipt attempt for the failed virtual electronic label may be initiated by checking the status information.

5 is a block diagram showing the structure of an electronic label according to another embodiment.

Referring to FIG. 5, for example, in an electronic label having three network identification addresses, the communication unit 110 has three network identification addresses, and has a network identification address 1, a network identification address 2, and a network identification address 3 Information is received. The display unit 120 is divided into a display area 1, a display area 2, and a display area 3 as a plurality of logical display areas each corresponding to a network identification address. The display area 1, the display area 2, and the display area 3 may be virtual electronic label 1, virtual electronic label 2, and virtual electronic label 3, respectively.

Data having a network identification address of 1 among the packets received through the communication unit 110 is controlled so that the goods information updating unit 131 displays the data in the display area 1. At this time, the product information updating unit 131 stores the state information of the process of receiving the product information to be displayed in the display area 1 as the network identification address 1 through the communication unit 110 in the memory as the status information of the virtual electronic label 1 . Alternatively, among the packets received through the communication unit 110, data whose network identification address is 2 is controlled so that the product information updating unit 131 displays the data in the display area 2. At this time, the product information updating unit 131 stores the status information of the process of receiving the product information to be displayed in the display area 2 as the network identification address 2 through the communication unit 110 in the memory as the status information of the virtual electronic label 2 . Alternatively, among the packets received through the communication unit 110, data whose network identification address is 3 is controlled so that the goods information updating unit 131 displays the data in the display area 3. [ At this time, the product information updating unit 131 stores the state information of the process of receiving the product information to be displayed in the display area 3 at the network identification address 3 through the communication unit 110 as state information of the virtual electronic label 1 in the memory .

Although FIG. 5 illustrates an example of an electronic label having three network identification addresses, the number of network identification addresses of the electronic label is not limited thereto. For example, the electronic label may have n network identification addresses.

6 is a diagram illustrating an electronic label including a plurality of logical display areas according to an embodiment.

Referring to FIG. 6, an electronic label according to an exemplary embodiment can be divided into two display areas, that is, a display area 1 and a display area 2. FIG. The display area 1 and the display area 2 have different network identification addresses. The size of the display area 1 and the size of the display area 2 may be the same or different, and the size of the divided display area may be determined according to the usage pattern of the electronic label. Information about the merchandise A displayed on the shelf where the display area 1 is located is displayed in the display area 1 and information about the merchandise B displayed on the shelf where the display area 2 is located is displayed in the display area 2. [ The management server can identify and manage the display area 1 and the display area 2 having different network identification addresses with separate virtual electronic labels. According to one embodiment, the virtual electronic labels corresponding to the display area 1 and the display area 2 can independently receive information on the corresponding product from the server and display the received product information.

7 is a view for explaining an electronic label including a plurality of logical display areas according to another embodiment.

Referring to FIG. 7, an electronic label according to an embodiment can be divided into three display areas: a display area 1, a display area 2, and a display area 3. FIG. The display area 1, the display area 2, and the display area 3 have different network identification addresses. For example, information on the orange juice product can be displayed in the display area 1, information on the milk product can be displayed in the display area 2, and information on the grape juice product can be displayed in the display area 3 . The size of each display area can be adjusted according to the size of the merchandise displayed on the shelf where the display area is located. A display area 1 for displaying information on an orange juice product is a virtual electronic label 1, a display area 2 for displaying information on a milk product is a virtual electronic label 2, a display area 3 for displaying information on a grape juice product, Label 3 can be divided into.

The electronic labels can identify and manage the display area 1, the display area 2, and the display area 3 having different network identification addresses as separate virtual electronic labels. For example, the electronic label may update the product information only for the virtual electronic label 1 that displays information about the orange juice product. In another example, the electronic label may update product information for a virtual electronic label 1 that displays information about the orange juice product and a virtual electronic label 3 that displays information about the grape juice product, respectively. In another example, the electronic label may include a virtual electronic label 1 that displays information about the orange juice product, a virtual electronic label 2 that displays information about the milk product, and a virtual electronic label that displays information about the grape juice product 3, respectively.

In FIG. 6, two display areas for two goods are exemplified. In FIG. 7, three display areas for three goods are exemplified. However, the number of display area divisions is not limited to this, Lt; RTI ID = 0.0 > n < / RTI >

FIG. 8 is a flowchart illustrating a method of updating information of an electronic label according to an embodiment.

8, in an electronic label information updating method according to an aspect of the present invention, in an electronic label information updating method, product information transmitted to one of a plurality of network identification addresses through a communication unit having a plurality of network identification addresses is received (S801) physically dividing the display unit of one electronic label into a plurality of logical display areas corresponding to the network identification addresses of the respective communication units, and displaying the plurality of virtual electronic labels on the network, And displaying the product information in the logical display area corresponding to the network identification address of the product information transmitted (S802).

The procedures described below including one embodiment can be implemented in various forms. The method of updating the information of the electronic label shown in Fig. 8 may be a method in which the electronic label 100 of Fig. 4 is implemented in the electronic label management system of Fig. In order to avoid unnecessary repetition, an information renewal method of the electronic label will be briefly described. Items not described in detail here can be applied to the same things as described with reference to FIG. 4 to FIG.

First, the electronic label receives product information transmitted through one of a plurality of network identification addresses through a communication unit having a plurality of network identification addresses (S801). According to one embodiment, the electronic label may receive merchandise information from the management server 10 via the repeater 20. According to another embodiment, the electronic label may also receive product information directly from the management server 10. Each of the plurality of network identification addresses corresponds to each of the display areas divided into a plurality of logical display areas corresponding to the network identification addresses of the communication part, respectively. The number of display areas to be logically divided can be determined according to the usage pattern of the electronic label and the number of network identification addresses is determined according to the number of display areas to be determined. Different network identification addresses are assigned to and managed in the respective display areas.

Next, the received product information is displayed in the logical display area corresponding to the network identification address to which the product information is transmitted (S802). In this case, the display unit of one electronic label is physically divided into a plurality of logical display areas corresponding to the respective network identification addresses of the communication units, and is displayed as a plurality of virtual electronic labels on the network. According to one embodiment, the size of the display area of each of the plurality of logical display areas may be the same. According to another embodiment, the size of the display area of each of the plurality of logical display areas may be different. That is, the size of the logical display area can be determined according to the usage pattern of the electronic label.

According to an aspect, in the step of receiving merchandise information (S801), status information of a process of receiving merchandise information through a communication unit is stored for each virtual electronic label and management of update processing of merchandise information of a plurality of virtual electronic labels (S803). According to one embodiment, in the management state setting step S803, the state information of the network identification address is stored in a sleep state, a network join state, an information receiving state, a wake up signal listening state, As shown in FIG.

According to another aspect, the merchandise information receiving step (S801) includes a step of waking up, a step of scanning the wakeup channel to check whether there is product information to be updated among a plurality of virtual electronic labels, And a step of sequentially receiving the product information with respect to the virtual electronic label having the product information to be updated by accessing the channel and storing the referenced state information while referring to the state information of the receiving process.

9 is a flowchart illustrating a method of updating information of an electronic label according to another embodiment.

Referring to FIG. 9, for example, a method for updating information of an electronic label in an electronic label having two network identification addresses is shown. The electronic label of FIG. 9 has two network identification addresses and the logical display area of the display unit is divided into two.

First, the electronic label receives product information to be displayed on the electronic label (S901). Next, in step S902, the electronic label determines whether the product information is received at the network identification address 1 corresponding to the display area 1 through the communication unit. If it is determined that the product information is received at the network identification address 1 corresponding to the display area 1, the received product information is displayed in the display area 1 (S903). On the other hand, if it is determined in step S902 that the product information is not received at the network identification address 1 corresponding to the display area 1, it is determined whether the product information is received at the network identification address 2 corresponding to the display area 2 (S904) . If it is determined that the product information is received at the network identification address 2 corresponding to the display area 2, the received product information is displayed in the display area 2 (S905). On the other hand, if it is determined in step S904 that the product information is not received at the network identification address 2 corresponding to the display area 2, the process is terminated.

9 illustrates an example in which the electronic label has two network identification addresses. However, even in the case of the electronic label having two or more network identification addresses, the network identification address corresponding to each of the plurality of logical display areas of the electronic label It may be repeatedly performed to determine whether the product information has been received.

The above description is merely illustrative, and various modifications, alterations, and substitutions are possible without departing from the essential characteristics of those skilled in the art. Therefore, the disclosed embodiments and the accompanying drawings are intended to illustrate and not limit the technical idea of the proposed invention, and the scope of the technical idea is not limited by these embodiments and accompanying drawings. The scope of protection of the proposed invention should be construed in accordance with the following claims and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the scope of the invention claimed.

10: Management Server
20: Repeater
30, 100: Electronic label
110:
120:
130:
131: Product information update section

Claims (9)

A communication unit having a plurality of network identification addresses;
A display unit divided into a plurality of logical display areas corresponding to respective network identification addresses of the communication unit; And
A control unit for receiving information transmitted to the different network identification addresses through the communication unit and processing the received information to be displayed on the network in a plurality of virtual electronic labels,
≪ / RTI >
The method according to claim 1,
Wherein the display unit has the same size as the display area of each of the plurality of logical display areas.
The method according to claim 1,
Wherein the display unit is different in the size of the display area of each of the plurality of logical display areas.
The method according to claim 1,
Wherein the display unit is an electronic paper.
The method according to claim 1,
And the control unit receives the product information transmitted through one of the plurality of network identification addresses through the communication unit and controls the product information updating unit to display the product information in the corresponding logical display area.
6. The method of claim 5,
Wherein the product information updating unit stores state information of a process of receiving product information through the communication unit for each virtual electronic label and manages update processing of product information for each of the plurality of virtual electronic labels by referring to the stored information.
In an information renewal method of an electronic label,
A product information receiving step of receiving product information transmitted to one of a plurality of network identification addresses through a communication unit having a plurality of network identification addresses; And
The display unit of one electronic label is physically divided into a plurality of logical display areas corresponding to the respective network identification addresses of the communication units and is displayed as a plurality of virtual electronic labels on the network, A product information display step of displaying in a logical display area corresponding to the identification address
And updating the information of the electronic label.
8. The method of claim 7,
And a step of storing the status information of the process of receiving the product information through the communication unit by the virtual electronic label and managing the updating process of the product information of the plurality of virtual electronic labels by referring thereto, How to update.
8. The method of claim 7,
In the goods information receiving step
Waking up;
Scanning a wakeup channel to determine whether there is product information to be updated among a plurality of virtual electronic labels; And
When there is product information to be updated, accessing the data channel and attempting to receive product information sequentially with respect to the virtual electronic label having the product information to be updated, referring to the state information of the receiving process and storing the referenced state information
And updating the information of the electronic label.

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