KR20160021015A - Electronic shelf label tag and electronic shelf label system with direct communication function, and operating method of the same - Google Patents

Electronic shelf label tag and electronic shelf label system with direct communication function, and operating method of the same Download PDF

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Publication number
KR20160021015A
KR20160021015A KR1020150050666A KR20150050666A KR20160021015A KR 20160021015 A KR20160021015 A KR 20160021015A KR 1020150050666 A KR1020150050666 A KR 1020150050666A KR 20150050666 A KR20150050666 A KR 20150050666A KR 20160021015 A KR20160021015 A KR 20160021015A
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South Korea
Prior art keywords
electronic price
information
display
direct communication
indicator
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KR1020150050666A
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Korean (ko)
Inventor
손혜현
현지호
강철민
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주식회사 솔루엠
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Publication of KR20160021015A publication Critical patent/KR20160021015A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

An electronic price indicator according to an embodiment of the present invention includes a wireless communication unit for performing wireless communication with an electronic price display repeater to receive first information and second information; A display unit for displaying first information; A direct communication unit for performing direct communication with another electronic price indicator and transmitting second information to another electronic price indicator; And a control unit controlling the display unit and the direct communication unit to control the display of the first information and the second information; . ≪ / RTI >

Description

TECHNICAL FIELD [0001] The present invention relates to an electronic price indicator, an electronic price display system, and a method of operating the electronic price indicator,

The present invention relates to an electronic price indicator, an electronic price display system, and an operation method thereof for supporting direct communication.

Typically, a repeater (e.g., gateway) of an electronic shelf label (ESL) system can perform wired or wireless communication for transmission of a plurality of electronic price displays and merchandise information.

Such an existing electronic price indicator can receive data from a server through a repeater to display information (e.g., product name and price information) related to the product.

However, in an existing electronic price display system installed in a store such as a mart, an electronic price indicator can perform wireless communication with a server or a repeater, but does not support direct communication between electronic price indicators.

In particular, since a server or a repeater needs to control a large number of electronic price indicators, a communication delay may occur, so that a plurality of electronic price indicators need to support direct communication in order to perform a predetermined operation at a predetermined time without communication delay.

Patent Document 1 described in the following prior art documents relates to an electronic shelf label, but fails to provide a solution to the problems and necessities of the above-described conventional techniques.

Korean Patent Publication No. 2003-0025201

An embodiment of the present invention provides an electronic price indicator, an electronic price display system, and an operation method thereof that support direct communication.

An electronic price indicator according to an embodiment of the present invention includes a wireless communication unit for performing wireless communication with an electronic price display repeater to receive first information and second information; A display unit for displaying first information; A direct communication unit for performing direct communication with another electronic price indicator and transmitting second information to another electronic price indicator; And a control unit controlling the display unit and the direct communication unit to control the display of the first information and the second information; . ≪ / RTI >

An electronic price display system according to an embodiment of the present invention includes an electronic price display repeater for generating first information and second information based on product information received from an electronic price display server and periodically transmitting the generated first information and second information; A first electronic price indicator for performing wireless communication with the electronic price display repeater to receive first information and second information and display first information; A plurality of second electronic price indicators for performing direct communication with the first price information display device to receive second information and display second information; . ≪ / RTI >

A method of operating an electronic price indicator according to an embodiment of the present invention includes: setting direct communication so that a plurality of electronic price display period masters and slaves are designated; Receiving master and slave data from an electronic price display repeater; And controlling an operation command for a slave of a master based on master and slave data; . ≪ / RTI >

According to the present invention, the linkage display operation determined at a predetermined time can be accurately performed without being influenced by the communication delay with the server or the repeater.

Through this linkage display operation, a message transfer effect distinguishable from the normal product information display operation can be expected. That is, the diversity, originality and aesthetics of images displayed by a plurality of electronic price indicators can be improved.

On the other hand, according to the present invention, the direct communication in the electronic price display period can be sequentially performed without omission.

1 is a block diagram of an electronic price display system according to an embodiment of the present invention.
2 is an explanatory diagram of direct communication in an electronic price display period according to an embodiment of the present invention.
3 is a block diagram of an electronic price indicator according to an embodiment of the present invention.
4 is a diagram illustrating direct communication in an electronic price display period according to an embodiment of the present invention.
5 is an operational flowchart of an electronic price indicator and an electronic price display system according to an embodiment of the present invention.
FIG. 6 is a flowchart specifically illustrating a direct communication setting step in the operation flowchart of the electronic price display system and the electronic price display system of FIG. 5;
7 is a flowchart specifically illustrating a control step in an operation flowchart of the electronic price indicator and the electronic price display system of Fig.
8 is a diagram illustrating an exemplary computing environment in which one or more embodiments disclosed herein may be implemented.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order that those skilled in the art can easily carry out the present invention.

In an electronic price indicator, an electronic price display system, and an operation method thereof according to an embodiment of the present invention, one electronic price indicator among a plurality of electronic price indicators performs direct communication with at least one other electronic price indicator, The electronic price indicator controls the operation of at least one other electronic price indicator through the direct communication so that a predetermined linkage display operation is performed at a predetermined time It can be done.

By using such direct communication, a plurality of electronic price indicators can perform cooperative display operation determined at a predetermined time in an integrated manner. Here, the linkage display operation may be an operation related to the advertisement information display, the promotion information display, or the event information display, which is distinguished from the normal product information display operation.

1 is a block diagram of an electronic price display system according to an embodiment of the present invention.

Referring to FIG. 1, an electronic price display system according to an embodiment of the present invention may include a server 100, an electronic price display repeater 200, and a plurality of electronic price indicators 300.

The server 100 may be connected to the electronic price display repeater 200 through a wired network (or a wireless network), and may provide product information related to a product such as price information to the electronic price display repeater 200.

In addition, the server 100 can control direct communication with at least two electronic price indicators among a plurality of electronic price indicators. For example, the server 100 can be designated as a master terminal for direct communication to any one of the electronic price indicators, and can be designated as a slave terminal for direct communication to at least another electronic price indicator .

Accordingly, according to the designation of the server 100, an electronic price indicator (hereinafter referred to as a master indicator) designated as a master terminal and an electronic price indicator (hereinafter referred to as a slave indicator) designated as a slave terminal can perform direct communication. Through the direct communication, the master indicator can transmit data for the slave display operation to the slave indicator.

Here, the data for the linkage display operation may be advertisement information, event peddling information, or other information necessary for marketing. The advertisement information may be a product advertisement, a store advertisement, a discount advertisement, or other advertisement, and the event information may be a special advertisement, a special PR or a peddler. In addition, the data may include a control signal for controlling the coordinated display operation among a plurality of electronic price indicators.

The data for such a cooperative display operation is not limited to the above example, as long as it is data necessary for the cooperative display operation.

The electronic price display repeater 200 may be connected to a plurality of electronic price indicators 300 through a wireless network and may transmit data from the server 100 to the corresponding electronic price indicator 300 among the plurality of electronic price indicators.

And the electronic price indicator 300 includes a direct communication function between the electronic price indicator and the direct communication function can be controlled from the server 100 as described above.

According to the designation of the server 100 as described above, the master indicator 301 and the slave indicator 312-315 can perform direct communication. For example, the master display device 301 can transmit data received from the server 100 through the direct communication to the slave display devices 312-315 through the direct communication.

2 is an explanatory diagram of direct communication in an electronic price display period according to an embodiment of the present invention.

Referring to FIG. 2, each of the plurality of electronic price indicators 300 may include a direct communication unit 380 for performing the direct communication.

The direct communication unit 380 supports direct communication between the master display unit and the slave display unit under the control of the server 100 as described above.

At this time, the server 100 transmits the identification information corresponding to the master indicator together with the identification information of the slave indicator, so that the master indicator and the slave indicator can recognize the master indicator and the slave indicator for direct communication.

Further, the master display device can perform the display operation of linking with the master display device and the slave display device by controlling the display operation of the slave display device by using the direct communication. Through the link display operation, the master display device and the slave display device can display advertisement information, The information necessary for marketing can be displayed on each screen so as to have a sense of identity and connection with each other.

In this case, for example, the page display switching, blinking, and grouping operations of the master display unit and the slave display unit may be performed in order of changing the time difference contents (for example, the animation effect of the PPT) Such a linkage display operation method is not particularly limited to the above example as long as one master display device and at least one slave display device are displayed in direct communication with each other while maintaining a sense of unity and connection.

Meanwhile, the direct communication unit 380 may be a wired communication unit or a wireless communication unit, and is applicable to any communication standard supporting the master / slave communication, and is not limited to a specific communication standard. For example, the wired communication standard includes SPI (Serial to Peripheral Interface), and the wireless communication standard includes a Bluetooth (trademark) communication standard or an UWB (ultra wideband) communication standard. .

For example, the direct communication unit 380 may be directly coupled to other electronic price indicators (e.g., pin contact, etc.) to perform direct communication with the wire. Thus, when a plurality of electronic price indicators are wired to each other, the master indicator can control the on-off state of the slave indicator.

For example, the direct communication unit 380 can perform direct communication with another electronic price indicator through short-range wireless communication. Here, short-range wireless communication means low-power wireless communication such as infrared communication (IR communication), Near Field Communication (NFC), and Bluetooth low energy communication.

3 is a block diagram of an electronic price indicator according to an embodiment of the present invention.

3, the electronic price indicator 300 may include a control unit 320, a wireless communication unit 330, a memory unit 340, a display unit 350, and a direct communication unit 380, And may include a configuration for the illustrated power supply.

Among the operations for the direct communication unit 380 shown in FIG. 3, duplicate operation descriptions may be omitted for the same operations as those described with reference to FIG. 1 and FIG.

The controller 320 can control the overall function of the electronic price indicator 300. For example, if there is a control for direct communication from the server 100, the control unit 320 can control the setting to the master display device or the slave display device under the control of the server 100, The communication unit 330 can control an operation for wireless communication with the server 100 and the relay 200 and can control writing and reading of data through the memory unit 340. The display unit 340 , And direct communication with another electronic price indicator can be controlled through the direct communication unit 380. [

In particular, when the corresponding electronic price indicator is a master display device, the control unit 320 can transmit data to at least one slave display unit designated through the direct communication unit 380, and transmits text information or graphic information through the data And it is possible to control the screen display of such text information or graphic information.

The wireless communication unit 330 may transmit and receive data through a wireless communication with a server or a repeater. The wireless communication may be one of a bluetooth, a wifi, a zigbee, and a cellular communication. The data transmitted / received by the wireless communication unit 330 may include general merchandise information or information necessary for the cooperative display operation.

Here, the product information may include a product name, a product price, a product expiration date, a product origin, a quantity, and a product manufacturer information.

The memory unit 340 may store data provided through the wireless communication. In particular, the memory unit 340 may store data necessary for the link display operation through the direct communication.

Also, the memory unit 340 may store identification information (e.g., a MAC address) of the electronic price indicator 300.

The display unit 350 can display information on products provided through the wireless communication under the control of the control unit 310 and can display information and graphics necessary for a link display operation through direct communication. For example, the display unit 330 may include a super power LCD such as an e-paper, a bistable LCD or a 7-segment LCD having low power consumption.

At this time, as described above, the data for the association display operation may be advertisement information, event peddling information, or other information necessary for marketing. The data for such a cooperative display operation is not particularly limited to the above example as long as it is data used for the cooperative display operation through direct communication.

Meanwhile, the electronic price indicator 300 may operate as a master indicator and a slave indicator. That is, the operation of the electronic price indicator 300 does not have to be fixed as an operation as a master indicator or an operation as a slave indicator. For example, when operating as a slave indicator of the electronic price indicator 300 and changing the communication environment or the arrangement, the electronic price indicator 300 may operate as a master indicator.

4 is a diagram illustrating direct communication in an electronic price display period according to an embodiment of the present invention.

Referring to FIG. 4, the master indicator 301 can perform direct communication with a plurality of slave indicators 311-317.

The master indicator 301 may attempt to communicate in a broadcasting form to a plurality of slave indicators 311-317 and may receive a response signal from each of the plurality of slave indicators 311-317. Here, the master display device 301 can determine the communication order for each of the plurality of slave display devices 311-317 based on the reception order of the response signals.

For example, the master indicator 301 may determine a slave indicator corresponding to the first received response signal among the response signals transmitted from the plurality of slave indicators 311-317 to the first slave indicator 311 have.

Accordingly, the master display device 301 can sequentially perform direct communication with the plurality of slave display devices 311-317.

Further, each of the plurality of slave display devices 311-317 can display the communication order determined by the master display device 301. [ For example, the first slave indicator 311 may indicate 1.

Accordingly, the operator of the electronic price indicator can easily confirm the master / slave setting of each electronic price indicator.

Also, the communication attempt of the master indicator 301 may be repeated several times. For example, when the number of times the response signal is received is smaller than the predetermined number, the master indicator 301 can re-attempt the communication attempt.

Accordingly, the master display device 301 can perform direct communication without omitting each of the plurality of slave display devices 311-317.

Meanwhile, the master indicator 301 may share a clock signal Clk synchronized with the plurality of slave indicators 311-317. Accordingly, the master display device 301 can control the display schedule for each of the plurality of slave display devices 311-317.

For example, when the master indicator 301 displays an integrated image (e.g., a time difference content change image, a large image, etc.) together with a plurality of slave indicators 311-317, the integrated image is controlled . Here, one time reference can be set through the synchronized clock signal Clk.

Accordingly, the diversity, originality, and aesthetics of images displayed through the master indicator 301 and the plurality of slave indicators 311-317 can be improved.

5 is an operational flowchart of an electronic price indicator and an electronic price display system according to an embodiment of the present invention.

1 to 5, an operation method of an electronic price indicator and an electronic price display system according to an embodiment of the present invention will be described.

Hereinafter, the operation of the electronic price indicator and the electronic price display system according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. In the following description, The description may be omitted.

First, the server 100 can designate direct communication, a master indicator, and a slave indicator to at least two electronic price indicators among the plurality of electronic price indicators 300, and accordingly, each of the electronic price indicators is subjected to direct communication A master indicator and a slave indicator may be set (S110).

Next, the master display unit and the slave display unit perform direct communication through each direct communication unit 380, and the master display unit displays the data transmitted from the server for the coordinated display operation distinguished from the operation for displaying the normal merchandise information, (S120).

Then, the master display device instructs the slave display device to perform the association display operation, and the association display operation of the master display device and the at least one slave display period may be performed. Through the linkage display operation, advertisement information, event peddling information, and other information necessary for marketing can be displayed on each screen while maintaining unity and linkage.

As an example, at least one of page switching, blinking, color change, and brightness changes can be used to produce various animation effects simultaneously or sequentially or at regular time intervals through the above-described linkage display operation, Through the linkage display operation, the intended message transmission effect can be further improved.

As described above, when an electronic price display system according to an embodiment of the present invention is installed in a shopping mart or the like, one master display device and at least one slave display device display a linkage display operation Can be performed using direct communication, so that the effect of delivering a message to a customer can be doubled.

In addition, when the message is displayed intensively on the basis of the customer display location, the effect of delivering advertisement, publicity or event message can be further enhanced.

FIG. 6 is a flowchart specifically illustrating a direct communication setting step in the operation flowchart of the electronic price display system and the electronic price display system of FIG. 5;

At the initial installation of the electronic price indicator, the master indicator may be set to be assigned to a virtual product. Thereafter, the power of the master indicator may be turned on (S111).

Thereafter, the master display device may attempt to continuously communicate with the slave display device in a broadcast format (S112).

Thereafter, the power of the slave indicator adjacent to the master indicator can be sequentially turned on. Thereafter, the power-on slave indicator can transmit a response signal only once if there is a broadcast type communication attempt from the master indicator (S113). Here, when the number of times of transmission of the response signal is one, the response delay of the other slave display due to the delay response of the slave display can be prevented.

Thereafter, the master display device can transmit a number to the corresponding slave display device in the order of the response from the slave display device (S114).

Thereafter, the slave display device can display the order number transmitted from the master display device on the screen (S115).

Then, each slave display device can transmit the order information to the master display device in accordance with the order (S116). Here, the holding data of the master display device and the order number can be compared. At this time, when the missing sequence number occurs, the slave indicator may be judged to be erroneous or removed. Thereafter, the corresponding order numbers can be assigned to the slave display devices newly connected.

Thereafter, the master display device can complete the direct communication setting by updating the ID and the order information of the slave display to the server (S117).

On the other hand, when a certain number of slave indicators are connected to the master indicator, the communication attempt period of the master indicator may be changed. For example, if the number of slave indicators connected to one master indicator is large, the communication indicator period of the master indicator may become long.

On the other hand, if the direct communication setting time of the master display device continues for a certain period of time, the communication attempting period of the master display device can be changed. For example, depending on the position or state of the slave indicator connected to one master indicator, the communication environment of the slave indicator may be bad. Here, the master indicator may set the communication attempt period to be long by reflecting the communication environment.

7 is a flowchart specifically illustrating a control step in an operation flowchart of the electronic price indicator and the electronic price display system of Fig.

A product is assigned to each electronic price indicator, and an update may occur (S131).

Thereafter, it is periodically confirmed from the server whether the slave indicator connected to the master indicator is required to be updated (S132).

If the screen switching schedule of the slave display is updated (case 1), the schedule can be transmitted from the server to the master display (S133), and the update can be transmitted (S134).

Thereafter, the master display device can transmit the update to the slave display device (S135), and can transmit the screen switching schedule (S136).

Thereafter, the slave display device can switch the display screen in accordance with the schedule (S137).

For example, if the storage capacity of the slave indicator is sufficient, the slave indicator can display the image by storing both images and schedules. Thus, the communication load of the master display device can be reduced.

If the screen switching schedule of the slave display is controlled by the pre-stored schedule of the master display (case 2), the update is transmitted to the slave display according to the pre-stored schedule after the update is transmitted from the server to the master display (S 134) (S138). Accordingly, the screen of the slave display device can be switched (S139).

For example, when the storage space of the slave indicator is small, the master indicator can transmit the stored image in accordance with the screen switching time of the slave indicator. Thus, the configuration of the slave display device can be simplified.

FIG. 8 is a diagram illustrating an exemplary computing environment in which one or more embodiments disclosed herein may be implemented, and is illustrative of a system 1000 including a computing device 1100 configured to implement one or more of the embodiments described above. / RTI > For example, the computing device 1100 may be a personal computer, a server computer, a handheld or laptop device, a mobile device (mobile phone, PDA, media player, etc.), a multiprocessor system, a consumer electronics device, A distributed computing environment including any of the above-described systems or devices, and the like.

The computing device 1100 may include at least one processing unit 1110 and memory 1120. [ The processing unit 1110 may include, for example, a central processing unit (CPU), a graphics processing unit (GPU), a microprocessor, an application specific integrated circuit (ASIC), a field programmable gate array And may have a plurality of cores. The memory 1120 can be a volatile memory (e.g., RAM, etc.), a non-volatile memory (e.g., ROM, flash memory, etc.) or a combination thereof.

In addition, the computing device 1100 may include additional storage 1130. Storage 1130 includes, but is not limited to, magnetic storage, optical storage, and the like. The storage 1130 may store computer readable instructions for implementing one or more embodiments as disclosed herein, and other computer readable instructions for implementing an operating system, application programs, and the like. The computer readable instructions stored in storage 1130 may be loaded into memory 1120 for execution by processing unit 1110.

In addition, computing device 1100 may include input device (s) 1140 and output device (s) 1150. Here, input device (s) 1140 may include, for example, a keyboard, a mouse, a pen, a voice input device, a touch input device, an infrared camera, a video input device, or any other input device. Also, output device (s) 1150 can include, for example, one or more displays, speakers, printers, or any other output device. In addition, computing device 1100 may use an input device or output device included in another computing device as input device (s) 1140 or output device (s) 1150. [

The computing device 1100 may also include communication connection (s) 1160 that enable communication with other devices (e.g., computing device 1300) via the network 1200. (S) 1160 may include a modem, a network interface card (NIC), an integrated network interface, a radio frequency transmitter / receiver, an infrared port, a USB connection or other Interface. Also, the communication connection (s) 1160 may include a wired connection or a wireless connection.

Each component of the computing device 1100 described above may be connected by various interconnects (e.g., peripheral component interconnect (PCI), USB, firmware (IEEE 1394), optical bus architecture, etc.) And may be interconnected by a network.

As used herein, terms such as "component," "module," "system," "interface," and the like generally refer to a computer-related entity that is hardware, a combination of hardware and software, software, or software in execution. For example, an element may be, but is not limited to being, a processor, an object, an executable, an executable thread, a program and / or a computer running on a processor. For example, both the application running on the controller and the controller may be components. One or more components may reside within a process and / or thread of execution, and the components may be localized on one computer and distributed among two or more computers.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Anyone can make various variations.

100: Server
200: Electronic price display repeater
300: Electronic price indicator
301: Master indicator
311-317: Slave indicator
320:
330:
340:
350:
380: Direct communication unit

Claims (18)

A wireless communication unit for performing wireless communication with the electronic price display repeater to receive the first information and the second information;
A display unit for displaying the first information;
A direct communication unit for performing direct communication with the other electronic price indicator and transmitting the second information to the other electronic price indicator; And
A control unit controlling the display unit and the direct communication unit to control the display of the first information and the second information; An electronic price indicator.
The method according to claim 1,
And the direct communication unit is coupled to the other electronic price indicator and performs direct communication with the wire.
3. The method of claim 2,
And the control unit controls the on-off state of the other electronic price indicator connected by wire.
The method according to claim 1,
And the direct communication unit performs direct communication with the other electronic price indicator through short-range wireless communication.
5. The method of claim 4,
Wherein the direct communication unit attempts communication in a broadcasting form with respect to a plurality of other electronic price indicators, receives a response signal from each of the plurality of other electronic price indicators,
Wherein the control unit determines a communication order for each of the plurality of other electronic price indicators based on a reception order of the response signals.
6. The method of claim 5,
Wherein the display unit displays a communication sequence for each of the plurality of other electronic price indicators,
The direct communication unit repeats the communication attempt and re-receives the response signal when the number of times of reception of the response signal is less than the predetermined number,
Wherein the control unit controls the repetition period of communication attempts of the direct communication unit.
The method according to claim 1,
And the direct communication unit controls a display schedule of the first information and the second information by sharing a clock signal synchronized with the other electronic price indicator.
The method according to claim 1,
And a memory unit for storing the first information and the second information.
An electronic price display repeater for generating and periodically transmitting the first information and the second information based on the product information received from the electronic price display server;
A first electronic price indicator for performing wireless communication with the electronic price display repeater to receive the first information and the second information and display the first information; And
A plurality of second electronic price indicators for performing direct communication with the first pricing information display device to receive second information and display the second information; The electronic price display system comprising:
10. The method of claim 9,
Wherein the first electronic price indicator and the plurality of second electronic price indicators are coupled to each other to perform direct communication with the wire and share clock signals synchronized with each other to control the display schedule of the first information and the second information, Price display system.
10. The method of claim 9,
Wherein the first electronic price indicator performs direct communication wirelessly through short-distance communication to attempt communication with the plurality of second electronic price indicators in a broadcasting form,
Wherein the plurality of second electronic price indicators perform wireless direct communication through short-distance communication and transmit a response signal to the first electronic price indicator.
12. The method of claim 11,
Wherein the first electronic price indicator determines a communication order and an on-off order for each of the plurality of second electronic price indicators based on a reception order of the response signal.
13. The method of claim 12,
The first electronic price indicator repeats the communication attempt and re-receives the response signal when the number of times the response signal is received is less than the predetermined number,
Wherein the repetition period of the communication attempt is determined based on the number or the response time of the plurality of second electronic price indicators.
10. The method of claim 9,
Wherein the first electronic price indicator stores the first information and the second information and transmits the second information to the plurality of second electronic price indicators according to a display schedule of the second information.
10. The method of claim 9,
Wherein when a wireless communication between the first electronic price indicator and the electronic price display repeater is not smooth, a part of the plurality of second electronic price indicators performs wireless communication with the electronic price display repeater to transmit the first information and the second Information,
Wherein the first electronic price indicator receives the first information by performing direct communication with a part of the plurality of second electronic price indicators.
Setting direct communication such that a plurality of electronic price display period master and slave are designated;
Receiving master and slave data from an electronic price display repeater; And
Controlling an operation command for a master slave based on the master and slave data; Wherein the electronic price indicator comprises an electronic price indicator.
The method as claimed in claim 16, wherein the setting of the direct communication comprises:
Wherein the master attempts communication with the slave in a broadcasting form to receive a response signal of the slave and determines a direct communication order based on a reception order of the response signal.
17. The method of claim 16,
Processing the master and slave data to generate an image to be displayed in the master and slave, and controlling direct communication with the image at a display time of the image.
KR1020150050666A 2014-08-14 2015-04-10 Electronic shelf label tag and electronic shelf label system with direct communication function, and operating method of the same KR20160021015A (en)

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KR1020140106123 2014-08-14
KR20140106123 2014-08-14

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US10984302B2 (en) 2016-11-03 2021-04-20 Atec Ap Co., Ltd. Electronic shelf label, electronic shelf label system, and electronic shelf label method

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KR20030025201A (en) 2001-09-19 2003-03-28 옵트렉스 가부시키가이샤 Electronic shelf label

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KR20030025201A (en) 2001-09-19 2003-03-28 옵트렉스 가부시키가이샤 Electronic shelf label

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10984302B2 (en) 2016-11-03 2021-04-20 Atec Ap Co., Ltd. Electronic shelf label, electronic shelf label system, and electronic shelf label method

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