KR20120090105A - Method and device for controlling display terminal of electronic shelf label system - Google Patents

Method and device for controlling display terminal of electronic shelf label system Download PDF

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Publication number
KR20120090105A
KR20120090105A KR1020100135029A KR20100135029A KR20120090105A KR 20120090105 A KR20120090105 A KR 20120090105A KR 1020100135029 A KR1020100135029 A KR 1020100135029A KR 20100135029 A KR20100135029 A KR 20100135029A KR 20120090105 A KR20120090105 A KR 20120090105A
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KR
South Korea
Prior art keywords
label
command
radio signal
esl
mode
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Application number
KR1020100135029A
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Korean (ko)
Inventor
최재연
Original Assignee
엘지이노텍 주식회사
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Priority to KR1020100135029A priority Critical patent/KR20120090105A/en
Publication of KR20120090105A publication Critical patent/KR20120090105A/en

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    • 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
    • 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
    • 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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10158—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
    • G06K7/10178—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The present invention relates to a label control method and a control apparatus of an electronic shelf label (ESL) system, and to receive a command from a user who receives a command including at least one operation mode for controlling the label, and corresponds to the received command. Generates a wireless signal and transmits the wireless signal. Accordingly, while the label is operated by the magnetic field, various operations according to the corresponding command may be executed. Therefore, it is possible to display information on the label by transmitting various and stable operation signals than the method of turning the label on and off with the existing permanent magnet.

Description

Label control apparatus and method of ESL system {METHOD AND DEVICE FOR CONTROLLING DISPLAY TERMINAL OF ELECTRONIC SHELF LABEL SYSTEM}

The present invention relates to a label control device and a control method of an ESL system, and in particular, in addition to activating an ESL label with an existing permanent magnet, a user receives a command of various operation modes from a user and transmits the command to an ESL label by a radio modulation method. A label control apparatus and method for

Electronic Shelf Label (ESL) is an electronic price display device that replaces paper price tags in department stores or large marts that display and sell products. This saves manpower from replacing labels and reduces the burden of price label printing costs and price marking errors.

On the other hand, as a label indicating the price in the ESL, LCD or a similar display is used, and wireless communication methods such as Radio Frequency and InfraRed are used to turn on / off the LCD and update the displayed price. Can be. In addition, a reed sensor may be mounted on a price label to be operated by an electromagnetic field.

A reed sensor or a reed switch serves as an electromagnetic switch in which a magnetic field may be applied and operated. Permanent magnets can be used to apply a magnetic field to the reed sensor. However, there is an advantage in that the image is updated at a fast time when the reed sensor is operated by the permanent magnet. However, there is a security problem because the operation mode is simplified and the label operates even when the equipment generating the surrounding magnetic field other than the permanent magnet is approached.

In order to solve the above problems, the operation of the reed sensor is controlled by using a device capable of generating a battery magnetic field instead of a permanent magnet as a reference to enable various operations as well as on / off control.

The present invention seeks to address the vulnerability of external interference and security to price labeling by using a communication protocol in the signal controlling the label.

A label control method of an electronic shelf label (ESL) system according to the present invention comprises the steps of: receiving a command including at least one operation mode for controlling the label; Processing a radio signal corresponding to the received command; And transmitting the wireless signal to form a magnetic field for operating the label.

An apparatus for controlling a label of an electronic shelf label (ESL) system according to the present invention includes: a user input unit configured to receive a command including at least one operation mode for controlling the label; A controller for processing a radio signal corresponding to the received command; And a communicator configured to transmit the radio signal to form a magnetic field for operating the label.

According to the present invention, the electronic price display label can be variously controlled by various operation modes. In addition, according to the present invention, by using a communication protocol in the signal for controlling the label, it is possible to solve the vulnerability of external interference and security to the price label.

1 shows a configuration diagram of an ESL system according to the present invention.
2 is a block diagram of a configuration of a label control device of an ESL system according to the present invention.
3A is an example of an external configuration of a label control apparatus of an ESL system according to the present invention, and FIG. 3B shows an example of a structure of a transmission data packet.
4 is a flowchart illustrating a label control method of an ESL system according to the present invention.

Hereinafter, with reference to the drawings will be described the present invention in more detail.

The suffix "module" and " part "for components used in the following description are given merely for ease of description, and the" module "and" part "

Meanwhile, the label control apparatus described herein may be any device including a wireless communication module. In addition, as an intelligent device that adds a computer support function to, for example, a network transmission / reception function, an Internet function or the like may be added to provide a more convenient interface such as a handwritten input device, a touch screen, or a spatial remote controller. In addition, it is connected to the Internet and a computer with the support of a wired or wireless Internet function, and can perform functions such as e-mail, web browsing, banking, or gaming. A standardized general-purpose OS can be used for these various functions.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

As used herein, terms used in the present invention are selected from general terms that are widely used in the present invention while taking into account the functions of the present invention, but these may vary depending on the intention or custom of a person skilled in the art or the emergence of new technologies. In addition, in certain cases, there is a term arbitrarily selected by the applicant, and in this case, the meaning will be described in the corresponding description of the invention. Therefore, it is intended that the terminology used herein should be interpreted based on the meaning of the term rather than on the name of the term, and on the entire contents of the specification.

1 shows a configuration diagram of an ESL system according to the present invention. Referring to FIG. 1, an ESL system according to the present invention may include a label control device 10, a label 20, and a management server 30. The label control device 10 may operate the label 20. The label 20 may be operated by the label control device 10 to display product information such as a price of a corresponding product. When a current passes through the antenna 16 provided in the label control apparatus 10, an electromagnetic field may be generated. The generated electromagnetic field forms an electromagnetic field in a space within a predetermined distance, thereby operating the label 20.

The label 20 may display product information under the control of the label control device 10. The label 20 may comprise a display such as an LCD, an LED. In addition, the information displayed on the label 20 may be updated according to communication and control of the label control apparatus 10 and the management server 30.

In addition, the label 20 may include a switch 21 such as a reed sensor or a reed switch. The magnetic field generated by the label control device 10 can cause the switch 21 to conduct and allow current to flow through the internal circuitry of the entire label 20.

The management server 30 may transmit and receive information through the wire / wireless communication with the label 20 in order to register, update, and manage information such as an item price displayed on the label 20. The label 20 and the management server ( The communication method of 30) may be a wired communication method such as TCP / IP, Intranet, or a wireless communication method such as WiFi, WLAN, ZigBee, Bluetooth, UWB, GPS, and WCDMA.

In the system illustrated in FIG. 1, the label control device 10 and the label 20 may be configured in plural, and the plurality of labels 20 form one group to manage several groups. Can be a managed configuration. In addition, one management server 30 may manage a label 20 configured as a group, and another management server may be configured to manage another group. That is, the number of the label control apparatus 10, the label 20, and the management server 30 is not limited.

2 is a block diagram of a configuration of a label control device of an ESL system according to the present invention. Referring to FIG. 2, the label control apparatus 10 according to the present invention includes a communication unit 11, a control unit 12, a user input unit 13, a power supply unit 14, a storage unit 15, and an antenna 16. Can be.

The communication unit 11 may generate and transmit a predetermined signal to the label. The predetermined signal may include a control command of the label. The communication unit 11 may generate and transmit a radio signal according to the control command. The modulation method of the wireless signal may be an OOK (On Off Keying) method. In addition, the communication unit 11 may form a magnetic field by passing a current through the antenna 16 that transmits a radio signal. The magnetic field can actuate the label 20.

The controller 12 may control the communication unit 11 to generate and transmit a radio signal corresponding to the command by analyzing a command including an operation mode for controlling a label.

The operation mode may include a registration mode of the label 20, a refresh mode of the label 20, an operation monitoring mode, and the like. In addition, the operation mode may include various commands according to the input signal of the user input unit. Thus, in addition to actuating the label like a conventional permanent magnet, it is possible to transmit various modes of operation.

The user input unit 13 may receive a command including at least one operation mode for controlling a label. The user input unit 13 may transmit a signal input by the user to the controller 12. For example, the user input unit 13 may select power on / off and channel selection from a remote control device such as a remote controller according to various communication methods such as RF (Radio Frequency) communication and infrared (IR) communication. The control signal may be received and processed, or the control signal from the controller 12 may be transmitted to the remote controller.

The user input unit 13 may be configured as a button or a touch screen to receive a command from a user. The user may input a command according to a selection of a button or a combination of a plurality of buttons, or input a command through a touch screen.

The power supply unit 14 may include an internal power supply for enabling wireless operation. The internal power source may include a power source based on a battery, solar cell, tank power supply, or any wireless power scheme.

The storage unit 15 may store an operation mode of a plurality of labels in response to a signal input from the user input unit 13. In addition, the storage unit 15 may store a data structure of a signal to be generated according to a plurality of operation modes.

The storage unit 15 may be, for example, a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, an SD or XD memory). Etc.), RAM, and ROM (EEPROM, etc.) may include at least one type of storage medium.

The antenna 16 may transmit a radio signal corresponding to a corresponding operation mode according to the application of power. In addition, the antenna 16 may generate a predetermined magnetic field when a current passes. Antenna 16 may, for example, be configured as a loop antenna.

Figure 3a is an example of the configuration of a label control device and a label of the ESL system according to the present invention, Figure 3b shows an example of the structure of the transmission data packet.

Referring to FIG. 3A, the label control apparatus 10 according to an exemplary embodiment may include a user input unit illustrated by a plurality of buttons. The user may input a control command by combining the plurality of buttons 131, 132, and 133 and the buttons. In addition to the button, when the label control apparatus 10 is configured as a touch screen, the user may receive a command through the touch screen. The label control apparatus 10 having received the operation mode may generate and transmit a radio signal according to a corresponding command. In addition, the label control apparatus 10 may transmit a radio signal and simultaneously form a magnetic field through an antenna.

The magnetic field may cause the switch 21 of the label 20 to be turned on to allow current to flow in the label 20. The power supply unit 22 of the label 20 may supply power to the entire circuit of the label 20 when the switch 21 is turned on. The switch 21 may be configured as a reed sensor. The label 20 may communicate with the label control device 10 by a predetermined wireless communication method, such as a OOK method. The label may also include a communication module 24 for transmitting and receiving a predetermined signal from the management server 30. The communication module 24 may include, for example, a communication module capable of transmitting and receiving wireless signals of 2.4 GHz. The label 20 may analyze and process a signal received from the label control apparatus 10 to display the corresponding product information on the display 25. The control unit 23 of the label 20 may, for example, comprise an i8051 MCU processor. Display 25 may be an LCD or similar display.

3B illustrates a data structure transmitted from the label control device 10 to the label 20 in accordance with one embodiment of the present invention. Referring to FIG. 3B, the data frame 50 of one packet may be, for example, OOK data consisting of 3 bytes. The data frame 51 may include STX (Start of Text) in the header, and may include Command 52 as control command data input to the user input unit 13 of the label control apparatus 10 in the body. have. In addition, the data frame 50 may include checksum data 53 for error correction.

4 is a flowchart illustrating a label control method of an ESL system according to the present invention.

In operation S11, a command including at least one operation mode for controlling the label is received. The operation mode may be input through a button or a touch screen provided in the label control device.

In operation S12, a wireless signal corresponding to the command received may be generated. The wireless signal may be generated, for example, in a OOK manner.

In operation S13, the label control apparatus may transmit a radio signal corresponding to the received command. At this time, a magnetic field for operating the label may be formed. If the label is located within the range of the formed magnetic field, the label can be operated according to the corresponding command.

The ESL label control method and apparatus thereof according to an embodiment of the present invention have been described above.

ESL label control method and apparatus according to the present invention is not limited to the configuration and method of the embodiments described as described above, the embodiments are all or part of each embodiment so that various modifications can be made May be optionally combined.

On the other hand, the ESL label control method of the present invention can be implemented as a processor-readable code on a processor-readable recording medium. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet. . The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

10: label control device
20: label
50: data frame

Claims (9)

In the label control method of ESL (Electronic Shelf Label) system,
Receiving a command including at least one operation mode for controlling the label;
Processing a radio signal corresponding to the received command;
Transmitting the wireless signal to form a magnetic field for operating the label. The method of claim 1,
And the operation mode comprises at least one of a registration mode of the label, a reproduction mode of the label, and an operation monitoring mode. The method of claim 1,
Processing the radio signal comprises modulating (OOK) by an On Off Keying (OOK) method according to the command. The method of claim 1,
The step of receiving the command is a label control method using a plurality of input interfaces. In the control device for labeling the ESL (Electronic Shelf Label) system,
A user input unit for receiving a command including at least one operation mode for controlling the label;
A controller for processing a radio signal corresponding to the received command;
And a communicator configured to transmit the radio signal to form a magnetic field for operating the label. The method of claim 5,
And the operation mode includes at least one of a registration mode of the label, a reproduction mode of the label, and an operation monitoring mode. The method of claim 5,
The control unit is a label control device for generating a radio signal by modulating (OOK) in accordance with the command (On Off Keying) method. The method of claim 5,
And the user input unit comprises a plurality of input interfaces. The method of claim 5,
And the communication unit comprises a loop antenna.
KR1020100135029A 2010-12-24 2010-12-24 Method and device for controlling display terminal of electronic shelf label system KR20120090105A (en)

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KR1020100135029A KR20120090105A (en) 2010-12-24 2010-12-24 Method and device for controlling display terminal of electronic shelf label system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2733602A2 (en) 2012-11-14 2014-05-21 Samsung Electro-Mechanics Co., Ltd. Electronic shelf label and method for displaying the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2733602A2 (en) 2012-11-14 2014-05-21 Samsung Electro-Mechanics Co., Ltd. Electronic shelf label and method for displaying the same

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