WO2010021050A1 - 電子棚札システム、通信コントロール装置、中継ステーション装置、電子棚札情報配信方法およびプログラム - Google Patents
電子棚札システム、通信コントロール装置、中継ステーション装置、電子棚札情報配信方法およびプログラム Download PDFInfo
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- WO2010021050A1 WO2010021050A1 PCT/JP2008/064941 JP2008064941W WO2010021050A1 WO 2010021050 A1 WO2010021050 A1 WO 2010021050A1 JP 2008064941 W JP2008064941 W JP 2008064941W WO 2010021050 A1 WO2010021050 A1 WO 2010021050A1
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- Prior art keywords
- shelf label
- information
- electronic shelf
- relay station
- electronic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1149—Arrangements for indoor wireless networking of information
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
Definitions
- the present invention relates to an electronic shelf label system, a communication control device, a relay station device, an electronic shelf label information distribution method and program, and in particular, an electronic shelf label system and a communication control device for distributing information to an electronic shelf label via a plurality of relay stations.
- the present invention relates to a relay station device, an electronic shelf label information distribution method, and a program.
- the conventional electronic shelf label system requires a large number of electronic shelf labels to be installed in large-scale stores. Therefore, in order to simplify the installation of electronic shelf labels and reduce costs, relay stations are installed in stores. Are installed at multiple locations.
- the relay station receives the information transmitted by the server and distributes the received information to the electronic shelf label using low-power wireless communication, for example, infrared communication (Ir communication) (for example, Patent Documents). 1).
- Ir communication infrared communication
- low-power wireless communication such as Ir communication, that is, low-speed wireless communication and only reception, and a 7-segment liquid crystal display that can display only numbers are necessary, so that an electronic shelf label is required.
- the electronic shelf label can be operated with a battery for a long time, and the management of the electronic shelf label is facilitated.
- each relay station receives information on each electronic shelf label transmitted from the server and relays it, but the wireless station used for relaying to the electronic shelf label is used. Since communication is at a low speed, there is a problem that it may take a long time to distribute a large amount of information such as information update of all electronic shelf labels.
- An object of the present invention is to provide an electronic shelf label system, a communication control device, a relay station device, an electronic shelf label information distribution method, and a program capable of suppressing time.
- An electronic shelf label system includes a communication control device for distributing shelf label information to an electronic shelf label device, and the shelf label information as an electronic shelf label.
- An electronic shelf label system comprising: a plurality of relay station devices that relay to a device; and an electronic shelf label device that receives the shelf label information relayed by the relay station device and performs display based on the shelf label information.
- the relay station device is assigned an electronic shelf label device for relaying shelf label information, and relays only the shelf label information for the electronic shelf label device assigned to the device itself.
- the electronic shelf label system of the present invention is the above-described electronic shelf label system, wherein the communication control device includes information for identifying the electronic shelf label device and the relay station to which the electronic shelf label device is assigned.
- a transmission route storage unit that stores information for identifying the device in association with one another, and when distributing shelf label information to one electronic shelf label device, the one electronic shelf label device is assigned from the transmission route storage unit.
- a shelf label information distribution unit that obtains information identifying the relay station device received and transmits the shelf label information to the one electronic shelf label device to the relay station device identified by the acquired information. It is characterized by.
- the electronic shelf label system is the above-described electronic shelf label system, wherein the transmission route storage unit includes, in addition to information identifying the electronic shelf label device and information identifying the relay station device. , Storing information for identifying a communication method when transmitting to the electronic shelf label device, the shelf label information distribution unit, when distributing the shelf label information to the one electronic shelf label device, In addition to the information for identifying the relay station device, information for identifying a communication method when transmitting to the one electronic shelf label device is obtained, and the obtained information is obtained together with the shelf label information for the one electronic shelf label device.
- the information identifying the communication method is transmitted, and the relay station device receives the transmitted shelf label information to the one electronic shelf label device and the information identifying the communication method, and identifies the received communication method.
- Communication method according to information , Characterized in that it comprises a shelf label information relay section for relaying the shelf label information for the received electronic shelf label device.
- the electronic shelf label system is any one of the above-described electronic shelf label systems, wherein information for identifying the electronic shelf label device is acquired from the electronic shelf label device, and the electronic shelf label device is identified.
- a handy terminal device that transmits information to the relay station device, the relay station device receiving information identifying the electronic shelf label device from the handy terminal device, and the information identifying the device itself together with the communication
- the communication control device receives information identifying the electronic shelf label device and information identifying the relay station device, and associates the two information with each other. And a transmission destination registration unit stored in the transmission route storage unit.
- the electronic shelf label system of the present invention is the above-described electronic shelf label system, wherein the relay station device stores a destination storage unit that stores information for identifying an electronic shelf label device allocated to the device itself, Of the shelf label information distributed to the electronic shelf label device distributed by the communication control device, only the shelf label information to the electronic shelf label device identified by the information stored in the transmission destination storage unit is received and relayed. And a shelf label information relay unit.
- the electronic shelf label system of the present invention is the above-described electronic shelf label system, wherein the transmission destination storage unit transmits the electronic shelf label device in association with information for identifying the electronic shelf label device. Information for identifying the communication method at the time is stored in association with each other, and the shelf label information relay unit relays the shelf label information to the electronic shelf label device when transmitting the electronic shelf label to which the shelf label information is transmitted.
- a communication method is used in which information stored in the transmission destination storage unit is associated with information for identifying a device.
- the electronic shelf label system is any one of the electronic shelf label systems described above, wherein information for identifying the electronic shelf label device is acquired from the electronic shelf label device, and the electronic shelf label device is identified.
- a transmission destination receiving unit that includes a handy terminal device that transmits information to be transmitted to the relay station device, wherein the relay station device receives information identifying the electronic shelf label device and stores the information in a transmission destination storage unit It is characterized by comprising.
- the electronic shelf label system of the present invention is any one of the above-described electronic shelf label systems, wherein the shelf label information relay unit is stored in the transmission destination storage unit among the shelf label information received from the outside. It relays the shelf label information to the electronic shelf label device identified by the stored information to the electronic shelf label device, and transmits other shelf label information to the relay station device other than its own device.
- the communication control device of the present invention includes a communication control device that distributes shelf label information to an electronic shelf label device, a plurality of relay station devices that relay the shelf label information to the electronic shelf label device, and the relay station device.
- a communication control device in an electronic shelf label system comprising: an electronic shelf label device that receives the shelf label information relayed by the device and performs display based on the shelf label information, the information identifying the electronic shelf label device And a transmission route storage unit that stores information for identifying the relay station device to which the electronic shelf label device is allocated, and when distributing shelf label information to one electronic shelf label device, Obtain information identifying the relay station device to which the one electronic shelf label device is assigned from the transmission route storage unit, and obtain the shelf label information to the one electronic shelf label device. Characterized by comprising a shelf label information distributing section which tag information is transmitted to the relay station device identified.
- the relay station device of the present invention includes a communication control device that distributes shelf label information to an electronic shelf label device, a plurality of relay station devices that relay the shelf label information to the electronic shelf label device, and the relay station device.
- a relay station device in an electronic shelf label system that includes the electronic shelf label device that receives the shelf label information relayed by the device and performs display based on the shelf label information, the electronic shelf label assigned to the device itself
- a transmission destination storage unit for storing information for identifying the device, and an electronic shelf identified by information stored in the transmission destination storage unit among the shelf label information distributed to the electronic shelf label device distributed by the communication control device
- a shelf label information relay unit that receives and relays only the shelf label information to the tag device.
- the electronic shelf label information distribution method of the present invention includes a communication control device that distributes shelf label information to an electronic shelf label device, a plurality of relay station devices that relay the shelf label information to the electronic shelf label device,
- An electronic shelf label information distribution method in an electronic shelf label system comprising: an electronic shelf label device that receives the shelf label information relayed by a relay station device and performs display based on the shelf label information, the relay station
- the apparatus includes a process of relaying only shelf label information for an electronic shelf label apparatus assigned to the apparatus.
- the program of the present invention includes a communication control device that distributes shelf label information to an electronic shelf label device, a plurality of relay station devices that relay the shelf label information to the electronic shelf label device, and the relay station device that relays
- the electronic control device has a communication control device in an electronic shelf label system that receives the shelf label information and performs display based on the shelf label information.
- the information for identifying the relay station device to which the one electronic shelf label device is assigned is acquired from the transmission route storage unit, and the shelf label information to the one electronic shelf label device is obtained. It is made to function as a shelf label information distribution part which transmits to the relay station apparatus identified.
- the program of the present invention includes a communication control device that distributes shelf label information to an electronic shelf label device, a plurality of relay station devices that relay the shelf label information to the electronic shelf label device, and the relay station device that relays The own apparatus which acquired the computer which the relay station apparatus in the electronic shelf label system which comprises the electronic shelf label apparatus which receives the said shelf label information and displays based on this shelf label information acquired from the transmission destination memory
- each relay station device relays only the shelf label information for the electronic shelf label device assigned to the own device, so when distributing a large amount of information such as information update of all electronic shelf labels, The time required for distribution can be suppressed regardless of the type of shelf label device.
- FIG. 3 is a schematic block diagram illustrating functional configurations of a product master DB server 100, a communication control device 800, a relay station device 900a, and a handy terminal device 700 in the embodiment.
- FIG. It is a figure which shows the example of a memory content of the transmission destination memory
- Product master DB server 101 Product master DB server 101, 201, 301 ... ROM 102, 202, 302 ... RAM 103, 203, 303, 404, 504, 604 ... control unit 104, 204, 304 ... storage unit 105, 205, 403, 503 ... display unit 106, 206 ... input unit 107, 207 ... communication unit 110 ... merchandise master storage unit 200, 800 ... communication control device 210 ... shelf label information acquisition unit 211, 811 ... shelf label information distribution unit 212 ... shelf label information storage unit 213 ... transmission route storage unit 214 ... transmission destination registration unit 300a, 300b, 900a, 900b ... Relay station device 305 ... Infrared communication unit 306, 502 ...
- FIG. 1 is a schematic block diagram showing the configuration of an electronic shelf label system according to the first embodiment of the present invention.
- Reference numeral 100 denotes a product master DB server that manages products sold at a store where the electronic shelf label system is installed.
- a communication control device 200 distributes shelf label information such as a price to be displayed on the electronic shelf label to the electronic shelf label.
- 300a and 300b are relay station devices that are installed at each store in the store and relay the shelf label information distributed by the communication control device 200 using a communication method that can be received by the electronic shelf label.
- 400a and 400b are electronic shelf labels that receive shelf label information from the relay station devices 300a and 300b through Ir communication (infrared communication) and display a price or the like in accordance with the shelf label information including text data.
- Reference numeral 500a denotes a large electronic shelf label that receives shelf label information from the relay station apparatus 300b through low-power low-speed wireless communication such as ZIGBEE (registered trademark) and displays an image of a price or the like according to shelf label information including image data.
- 600a an electronic shelf label with a display that receives shelf label information from the relay station device 300a by high-speed wireless communication such as a wireless LAN and displays a video of advertisement in accordance with the shelf label information including moving image data.
- the 700 acquires the identification information of the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600 by reading the barcode attached to each electronic shelf label, and obtains this information from the relay station device 300a. Or it is a handy terminal device registered in the communication control device 200 via 300b.
- the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600 are collectively referred to as an electronic shelf label.
- FIG. 2 is a schematic block diagram illustrating functional configurations of the product master DB server 100, the communication control device 200, the relay station device 300a, and the handy terminal device 700.
- the relay station apparatus 300b has the same configuration as the relay station apparatus 300a, and therefore illustration and description thereof are omitted.
- the merchandise master DB server 100 includes a merchandise master storage unit 110 that stores merchandise related information such as prices of merchandise sold at a store where the electronic shelf label system is installed. Details of the product master storage unit 110 will be described later with reference to FIG.
- the communication control device 200 includes a shelf label information acquisition unit 210, a shelf label information distribution unit 211, a shelf label information storage unit 212, a transmission route storage unit 213, and a transmission destination registration unit 214.
- the shelf label information acquisition unit 210 Upon receiving an operation instruction for simultaneous distribution of shelf label information to all electronic shelf labels, the shelf label information acquisition unit 210 refers to the shelf label information storage unit 212 and stores the shelf label information storage unit 212 for all electronic shelf labels.
- the shelf label information is acquired from the product master storage unit 110, or the shelf label information is generated based on the information acquired from the product master storage unit 110, and the shelf label information and information for identifying the shelf label (shelf label ID information) 211 is output.
- the shelf label information distribution unit 211 Upon receiving the shelf label information and the shelf label ID information, the shelf label information distribution unit 211 transmits information for identifying the relay station device to which the electronic shelf label to which the shelf label information is transmitted is assigned. Obtained from 213, the shelf label information and the shelf label ID information are transmitted to the relay station device identified by the obtained information. At this time, the shelf label information distribution unit 211 also acquires information indicating the communication method from the transmission route storage unit 213, and transmits the information indicating the communication method to the relay station device together with the shelf label information.
- the shelf label information storage unit 212 stores shelf label information or shelf label information generated by referring to the product master storage unit 110 in association with shelf label ID information for identifying each electronic shelf label. Details of the shelf label information storage unit 212 will be described later with reference to FIG.
- the transmission route storage unit 213 includes a shelf label ID information for identifying the electronic shelf label, a relay StID information for identifying the relay station device to which the electronic shelf label is assigned, and a communication method in communication from the relay station device to the electronic shelf label. The identification information is stored in association with each other. Details of the transmission route storage unit 213 will be described later with reference to FIG.
- the transmission destination registration unit 214 receives shelf label ID information, relay StID information, and information indicating the communication method from the relay station devices 300a and 300b, and stores them in the transmission route storage unit 213.
- the relay station device 300 a includes a shelf label information relay unit 310 and a transmission destination reception unit 311.
- the shelf label information relay unit 310 receives the shelf label information, the shelf label ID information, and the information indicating the communication method transmitted from the communication control device 200 to the device, and uses the received communication method to convert the shelf label information. And relaying to the electronic shelf label corresponding to the shelf label ID information.
- the transmission destination receiving unit 311 transmits the shelf label ID information received from the handy terminal device 700 to the communication control device 200 together with the relay StID information of the own device and the information indicating the communication method specified by the operation instruction.
- the handy terminal device 700 includes a shelf label identification acquisition unit 710.
- the shelf label identification acquisition unit 710 acquires shelf label ID information by reading a barcode attached to each electronic shelf label, and in addition to this, information representing a communication method instructed by the user is transmitted to the relay station device 300a. Or it transmits to 300b.
- FIG. 3 is a diagram showing an example of stored contents of the product master storage unit 110 in the present embodiment.
- Product ID is information for identifying the product.
- the registration date / time is the date / time when the record was registered.
- the expiration date is a date and time indicating the expiration date when the information of the record is valid.
- FIG. 4 is a diagram showing an example of stored contents of the shelf label information storage unit 212 in the present embodiment.
- Product ID, relay StID, shelf label ID, data, registration date / time, and expiration date are associated with each other and stored in each record (row in FIG. 4).
- the relay StID is relay StID information for identifying the relay station devices 300a and 300b
- the shelf label ID is a shelf for identifying the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600. It is bill ID information.
- the character string “product master” is stored, and when the shelf label information is acquired from the shelf label information storage unit 212, A file name of the shelf label information (for example, “12345sale.txt”) is stored.
- FIG. 5 is a diagram showing an example of stored contents of the transmission route storage unit 213 in the present embodiment.
- the transmission route storage unit 213, as illustrated in FIG. , Relay StID, shelf label ID, and communication method are associated with each other and stored in each record (row in FIG. 5).
- FIG. 6 is a schematic block diagram showing a hardware configuration of the product master DB server 100 in the present embodiment.
- the product master DB server 100 operates a ROM (Read Only Memory) 101, a RAM (Random Access Memory) 102, a control unit 103 that controls the entire product master DB server 100, a product master storage unit 110, and a control unit 103.
- a storage unit 104 for storing a program a display unit 105 for displaying a screen such as a liquid crystal display or a CRT (Cathode Ray Tube), an input unit 106 such as a keyboard or a mouse, a LAN (Local Area Network) communicating with the communication control device 200, or
- a communication unit 107 such as a wireless LAN is provided.
- the product master DB server 100 functions as the product master storage unit 110 illustrated in FIG. 2 when the control unit 103 operates according to the program stored in the storage unit 104.
- FIG. 7 is a schematic block diagram showing a hardware configuration of the communication control apparatus 200 in the present embodiment.
- the communication control device 200 includes a ROM 201, a RAM 202, a control unit 203 that controls the entire communication control device 200, a shelf label information storage unit 212, a transmission route storage unit 213, and a storage unit that stores a program for operating the control unit 203.
- a display unit 205 that displays a screen such as a liquid crystal display or a CRT, an input unit 206 such as a keyboard or a mouse, a communication unit 207 such as a LAN or a wireless LAN that communicates with the product master DB server 100 and the relay station devices 300a and 300b. It has.
- the communication control device 200 operates according to the program stored in the storage unit 204 by the control unit 203, whereby the shelf label information acquisition unit 210, the shelf label information distribution unit 211, the shelf label information storage unit 212 illustrated in FIG. It functions as a transmission route storage unit 213 and a transmission destination registration unit 214.
- FIG. 8 is a schematic block diagram showing a hardware configuration of the relay station apparatus 300a in the present embodiment. Since relay station apparatus 300b has the same hardware configuration as relay station apparatus 300a, illustration and description thereof are omitted.
- the relay station device 300a uses an Ir communication for the ROM 301, the RAM 302, the control unit 303 that controls the entire relay station device 300a, the storage unit 304 that stores a program for operating the control unit 303, and the electronic shelf labels 400a and 400b.
- An infrared communication unit 305 that transmits information, a low-speed communication unit 306 that communicates with a large electronic shelf label 500 using ZIGBEE (registered trademark), a high-speed that communicates with a display-equipped electronic shelf label 600 and the communication control device 200 using a wireless LAN. And a communication unit 307.
- the relay station device 300a functions as the shelf label information relay unit 310 and the transmission destination reception unit 311 illustrated in FIG. 2 when the control unit 303 operates according to the program stored in the storage unit 304.
- FIG. 9 is a schematic block diagram showing a hardware configuration of the electronic shelf label 400a in the present embodiment. Since the electronic shelf label 400b has the same hardware configuration as the electronic shelf label 400a, illustration and description thereof are omitted.
- the electronic shelf label 400a includes a program for operating the control unit 404 and a memory 401 for storing the received shelf label information, an infrared receiving unit 402 for receiving information transmitted by the relay station devices 300a and 300b using Ir communication, A display unit 403 including a 7-segment liquid crystal panel capable of displaying numbers, a control unit 404 that controls the entire electronic shelf label 400a, and a battery 405 that supplies power to each hardware configuration of the electronic shelf label 400a are provided.
- the electronic shelf label 400a functions as an electronic shelf label 400a that receives shelf label information composed of text data and displays the price on the display unit 403 by operating the control unit 404 according to a program stored in the memory 401. To do.
- FIG. 10 is a schematic block diagram showing a hardware configuration of the large-sized electronic shelf label 500 in the present embodiment.
- the large electronic shelf label 500 includes a memory 501 for storing a program for operating the control unit 504 and received shelf label information, a low-speed communication unit 502 that communicates with the relay station devices 300a and 300b using ZIGBEE (registered trademark), A display unit 503 including a liquid crystal panel capable of displaying an image and a control unit 504 for controlling the entire large electronic shelf label 500 are provided.
- the large electronic shelf label 500 is a large electronic shelf that receives shelf label information including image data and displays the shelf label information on the display unit 503 as a result of the control unit 504 operating according to a program stored in the memory 501. It functions as a bill 500.
- FIG. 11 is a schematic block diagram showing a hardware configuration of the display-equipped electronic shelf label 600 according to the present embodiment.
- the display-equipped electronic shelf label 600 includes a program for operating the control unit 604 and a memory 601 that stores received shelf label information, a high-speed communication unit 602 that communicates with the relay station devices 300a and 300b using a wireless LAN, and a moving image.
- a display unit 603 having a displayable liquid crystal panel and a control unit 604 for controlling the entire electronic shelf label 600 with a display are provided.
- the display-equipped electronic shelf label 600 receives the shelf label information including moving image data by the control unit 604 operating according to the program stored in the memory 601, and displays the shelf label information on the display unit 603 as a moving image. It functions as an electronic shelf label 600.
- FIG. 12 is a sequence diagram for explaining the operation of simultaneous distribution of shelf label information to all electronic shelf labels in the present embodiment.
- the shelf label information acquisition unit 210 of the communication control device 200 refers to the shelf label information storage unit 212 and generates shelf label information for each electronic shelf label (400a, 400b, 500, 600).
- the shelf label information acquisition unit 210 acquires information on the tax-included price from the product master storage unit 110 of the product master DB server 100. (Sa1), and this is used as shelf label information.
- the shelf label information acquisition unit 210 acquires the file with the file name from the shelf label information storage unit 212. This is the shelf label information.
- the shelf label information acquisition unit 210 outputs the shelf label information and the shelf label ID information for identifying the shelf label information to the shelf label information distribution unit 211.
- the shelf label information distribution unit 211 upon receiving the shelf label information and the shelf label ID information, corresponds to the electronic shelf label that is the transmission destination of each shelf label information based on the shelf label ID information.
- the relay StID information of the attached relay station device and the information indicating the communication method are acquired from the transmission route storage unit 213, and the relay station device of the acquired relay StID information together with the information indicating the communication method for acquiring each shelf label information It transmits to 300a or 300b (Sa2, Sa3).
- the shelf label information relay unit 310 of the relay station apparatuses 300a and 300b receives the shelf label information, the shelf label ID information, and the information indicating the communication method, the shelf label information is converted into the shelf label information by the received communication method. It transmits to the electronic shelf label corresponding to ID information (Sa4, Sa5, Sa6, Sa7).
- the assignment of the relay station devices 300a and 300b that perform transmission to each electronic shelf label is stored in the transmission route storage unit 213 of the communication control device 200, and the shelf label information distribution unit 211 stores the shelf label information.
- the relay station device to which the shelf label information is transmitted is determined based on the storage, so that the relay station devices 300a and 300b can store the shelf labels on the assigned electronic shelf labels. Since only the information is relayed, the processing load on the relay station devices 300a and 300b can be suppressed, and the time required to distribute the shelf label information can be suppressed.
- the transmission route storage unit 213 stores information indicating a communication method for transmission to each electronic shelf label
- the shelf label information relay unit 310 of the relay station devices 300a and 300b is based on the information. Since the communication method is selected and relayed, for electronic shelf labels that use a large amount of data such as moving image data, different data such as text, images, and moving images are used, such as using a high-speed communication method such as wireless LAN. Even in a system in which electronic shelf labels using formats are mixed, it is possible to reduce the time required for distribution of shelf label information by using an optimal communication method for each electronic shelf label.
- FIG. 13 is a sequence diagram for explaining an operation at the time of information registration in the transmission route storage unit 213 in the present embodiment.
- the shelf label identification acquisition unit 710 of the handy terminal device 700 reads the barcode printed on the surface of the electronic shelf label 400a, for example, the shelf label ID information “la01” of the electronic shelf label 400a. (Sb1).
- the shelf label identification acquisition unit 710 transmits information indicating the communication method “Ir communication” designated by the user operation together with the previously acquired shelf label ID information “la01” (Sb2).
- the information transmitted in the sequence Sb2 is received by the nearest relay station device, for example, the relay station device 300a.
- the transmission destination reception unit 311 of the relay station apparatus 300a transmits the relay StID information “st01” of the own apparatus to the communication control apparatus 200 together with the received information indicating the communication method “Ir communication” and the shelf label ID information “la01”. (Sb3).
- the communication control apparatus 200 receives the information indicating the communication method “Ir communication”, the shelf label ID information “la01”, and the relay StID information “st01” of the own apparatus, the communication control apparatus 200 corresponds them to the transmission route storage unit 213. Add and remember. (Second Embodiment)
- the second embodiment of the present invention will be described below with reference to the drawings. FIG.
- FIG. 14 is a schematic block diagram showing the configuration of an electronic shelf label system according to the second embodiment of the present invention.
- a communication control device 800 broadcasts shelf label information such as a price to be displayed on the electronic shelf label and shelf label ID information to the relay station device and distributes the information to the electronic shelf label.
- 900a and 900b select the shelf label information addressed to the electronic shelf label assigned to the device among the shelf label information and the shelf label ID information broadcast by the communication control device 800, and the electronic shelf label stores the shelf label information.
- It is a relay station device that relays in a receivable communication method.
- FIG. 15 is a schematic block diagram illustrating functional configurations of the product master DB server 100, the communication control device 800, the relay station device 900a, and the handy terminal device 700. Since relay station apparatus 900b has the same configuration as relay station apparatus 900a, illustration and description thereof are omitted. Also, in the figure, the same reference numerals are given to portions corresponding to the respective portions in FIG. 2, and the description thereof is omitted.
- the communication control device 800 includes a shelf label information acquisition unit 210, a shelf label information distribution unit 811, and a shelf label information storage unit 212. Upon receiving the shelf label information and the shelf label ID information from the shelf label information acquisition unit 210, the shelf label information distribution unit 811 broadcasts it to the relay station device.
- the relay station device 900a includes a shelf label information relay unit 910, a transmission destination reception unit 911, and a transmission destination storage unit 912.
- the shelf label information relay unit 910 is the shelf label information to the electronic shelf label of the shelf label ID information stored in the transmission destination storage unit 912 among the shelf label information and the shelf label ID information broadcast by the communication control device 800. Only, and relays to the electronic shelf label by the communication method stored in the transmission destination storage unit 912 in association with the shelf label ID information.
- the transmission destination storage unit 912 stores the shelf label ID information of the electronic shelf label assigned to the device itself and the communication method used when transmitting to the electronic shelf label in association with each other. Details of the destination storage unit 912 will be described later with reference to FIG.
- the transmission destination receiving unit 911 receives the shelf label ID information and the information indicating the communication method from the handy terminal device 700, and stores these pieces of information in the transmission destination storage unit 912 in association with each other.
- the hardware configuration of the product master DB server 100, the communication control device 800, the relay station devices 900a and 900b, the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600 in the present embodiment is the first implementation.
- the configuration is the same as the hardware configuration of the product master DB server 100, the communication control device 200, the relay station devices 300a and 300b, the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600 in the embodiment. Omitted.
- FIG. 16 (a) and 16 (b) are diagrams showing examples of stored contents of the transmission destination storage unit 912 of the relay station apparatuses 900a and 900b.
- Shelf label ID, and communication method are associated with each other and stored in each record (row in FIG. 16).
- the transmission destination storage unit 912 stores information on shelf label ID information “la06”, “la07”,...
- the unit 912 stores information on electronic shelf labels assigned to the device itself.
- FIG. 17 is a sequence diagram illustrating the operation of simultaneous distribution of shelf label information to all electronic shelf labels in the present embodiment.
- the shelf label information acquisition unit 210 of the communication control device 800 generates or acquires shelf label information (Sa1), and stores these shelf label information and shelf label ID information for identifying the shelf label information, as in FIG.
- the information is output to the shelf label information distribution unit 811.
- the shelf label information distribution unit 811 broadcasts them to the relay station devices 900a and 900b (Sc2).
- the shelf label information relay unit 910 of the relay station devices 900a and 900b refers to the transmission destination storage unit 912, acquires the shelf label ID information of the electronic shelf label assigned to the own device, and the shelf broadcasted by the communication control device 800. Of the tag information, only the shelf label information addressed to the electronic shelf label of the acquired shelf label ID information is received, and the transmission destination storage unit 912 stores each shelf label information in association with the shelf label ID information. It relays to the electronic shelf labels 400a and 400b, the large electronic shelf label 500, and the display-equipped electronic shelf label 600 by a communication method (Sc3, Sc4, Sc5, Sc6).
- the shelf label ID information of the electronic shelf label assigned to the own device is stored in the transmission destination storage unit 912 of the relay station devices 900a and 900b, and the shelf label information relay unit 910 stores the shelf label information and the shelf label information.
- the shelf label information relay unit 910 stores the shelf label information and the shelf label information.
- the transmission destination storage unit 912 stores information indicating a communication method for transmission to each electronic shelf label, and the shelf label information relay unit 910 of the relay station devices 900a and 900b is based on the information. Since the communication method is selected and relayed, for electronic shelf labels that use a large amount of data such as moving image data, different data such as text, images, and moving images are used, such as using a high-speed communication method such as wireless LAN. Even in a system in which electronic shelf labels using formats are mixed, the time required for distribution of shelf label information can be suppressed by using an optimal communication method for each electronic shelf label.
- the relay station devices 900a and 900b are only the shelf label information having the shelf label ID information allocated to the own device among the shelf label information and the shelf label ID information broadcast from the communication control device 800.
- other information shelf label information having shelf label ID information not assigned to the own device
- shelf label information relay unit 910 the shelf label ID information assigned to the device itself. So that the shelf label information having the shelf label ID information not assigned to the own device is transmitted to another relay station device close to the own device, for example. Also good.
- the electronic shelf label system of the present embodiment When the electronic shelf label system of the present embodiment is introduced into a large-scale store or the like, and broadcast distribution from the communication control device to the relay station device is performed by wireless communication, the influence of the communication method and the layout in the store Therefore, there is a possibility that the shelf label information and the shelf label ID information cannot be reliably distributed to all the relay station devices in the store.
- all the relay station devices arranged in the store function as relay devices, and transmit all the shelf label information and shelf label ID information unrelated to the own device to another relay station device. It becomes possible to distribute necessary information to the station device.
- FIG. 18 is a sequence diagram for explaining an operation at the time of information registration in the transmission destination storage unit 912 according to the present embodiment.
- the shelf label identification acquisition unit 710 of the handy terminal device 700 reads the barcode printed on the surface of the electronic shelf label 400a, for example, the shelf label ID information “la01” of the electronic shelf label 400a. (Sb1).
- the shelf label identification acquisition unit 710 transmits information indicating the communication method designated by the user operation, for example, “Ir communication”, together with the previously acquired shelf label ID information “la01” (Sd2).
- the information transmitted in the sequence Sd2 is received by the nearest relay station device, for example, the relay station device 900a.
- the transmission destination accepting unit 911 of the relay station apparatus 900a associates the received information indicating the communication method “Ir communication” with the shelf label ID information “la01” and the relay StID information “st01” of the own apparatus in association with the transmission destination storage unit. 912 to store.
- the transmission route storage unit 213 and the second embodiment have been described as determining the communication method to the electronic shelf label according to the information indicating the communication method stored in the transmission destination storage unit 912.
- the data format of the shelf label information is determined based on the extension of the file name of the shelf label information, and the communication method is determined according to the data format.
- the communication method may be determined according to the data capacity of the shelf label information. For example, if the extension is “txt”, it can be inferred that it is information such as the product price, so “Ir communication” is adopted assuming that the information is transmitted to a normal electronic shelf label, and the extension is “jpg”. "ZIGBEE (registered trademark)" because it is image information, and if the file capacity exceeds a certain value, a wireless LAN may be adopted. This eliminates the need to store shelf label ID information and information indicating the communication method.
- the handy terminal device 700 has been described as reading the shelf label ID information of the electronic shelf label with the barcode reader, but the product ID information printed on the product body or the electronic The product ID information of the shelf label may be read with a barcode, and the corresponding shelf label ID information may be specified from the stored contents of the shelf label information storage unit 212. Further, instead of the barcode, the handy terminal device 700 may acquire the shelf label ID information or the product ID information from the electronic shelf label by wireless communication such as RFID (Radio Frequency Identity) or a non-contact IC card. Good.
- RFID Radio Frequency Identity
- the handy terminal device 700 may acquire information representing the price from the relay station device 300a, display it, and confirm it according to a user operation instruction.
- the handy terminal device does not bother to send a request for acquiring the latest price information to the communication control device via the relay station device, and can acquire the correct price information more quickly and reliably. I can do it.
- the user can then confirm that the electronic shelf label has received the shelf label information and is displaying the correct price. This is particularly effective when reception confirmation cannot be performed from the transmission side because only reception is performed like the electronic shelf labels 400a and 400b.
- the relay station devices 300a, 300b, 900a, and 900b are electronic shelf labels that can communicate bidirectionally, such as the large electronic shelf label 500 and the display-equipped electronic shelf label 600.
- the shelf label information may be transferred and relayed to a relay station device set in advance in the own device. By doing so, the possibility of transmission failure when a large amount of information is transmitted in the system is reduced.
- the product master DB server 100 in addition to the product master storage unit 110, sales information in which product ID information, date and time, number of sales, sales amount, etc. are associated with each other, Inventory information that associates product ID information, date and time, the current number, the number of standing items, and the like may be stored.
- the storage unit 104 in FIG. 6, the storage unit 204 in FIG. 7, and the storage unit 304 in FIG. 8 can only read non-volatile memories such as hard disk devices, magneto-optical disk devices, flash memories, and CR-ROMs. It is assumed to be configured by a possible storage medium, a volatile memory such as RAM (Random Access Memory), or a combination thereof.
- RAM Random Access Memory
- shelf label information acquisition unit 210 the shelf label information distribution unit 211, the transmission destination registration unit 214 in FIG. 2, or the shelf label information relay unit 310, the transmission destination reception unit 311 in FIG. 2, or the shelf label information acquisition in FIG.
- the program for realizing the functions of the unit 210, the shelf label information distribution unit 811 or the shelf label information relay unit 910 and the transmission destination reception unit 911 in FIG. 15 is recorded on a computer-readable recording medium. These processes may be performed by reading a recorded program into a computer system and executing it.
- the “computer system” includes an OS and hardware such as peripheral devices.
- the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
- the “computer-readable recording medium” means a storage device such as a flexible disk, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” dynamically holds a program for a short time like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, a volatile memory in a computer system serving as a server or a client in that case is also used to hold a program for a certain period of time.
- the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
- the present invention is suitable for use in an electronic shelf label system that manages a shelf label that displays the price of a product displayed in a store, but is not limited thereto.
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Abstract
Description
101、201、301…ROM
102、202、302…RAM
103、203、303、404、504、604…制御部
104、204、304…記憶部
105、205、403、503…表示部
106、206…入力部
107、207…通信部
110…商品マスタ記憶部
200、800…通信コントロール装置
210…棚札情報取得部
211、811…棚札情報配信部
212…棚札情報記憶部
213…送信ルート記憶部
214…送信先登録部
300a、300b、900a、900b…中継ステーション装置
305…赤外線通信部
306、502…低速通信部
307、602…高速通信部
310、910…棚札情報中継部
311、911…送信先受付部
400a、400b…電子棚札
401、501、601…メモリ
402…赤外線受信部
405…電池
500…大型電子棚札
600…ディスプレイ付電子棚札
603…ディスプレイ部
700…ハンディターミナル装置
710…棚札識別取得部
912…送信先記憶部
以下、図面を参照して、本発明の第1の実施形態について説明する。図1は、この発明の第1の実施形態による電子棚札システムの構成を示す概略ブロック図である。100は、本電子棚札システムを設置している店舗にて販売する商品を管理する商品マスタDBサーバである。200は、電子棚札に表示させる価格などの棚札情報の電子棚札への配信を行なう通信コントロール装置である。300a、300bは、店舗の売り場毎などに設置され、通信コントロール装置200が配信した棚札情報を、電子棚札が受信可能な通信方式で中継する中継ステーション装置である。400a、400bは、中継ステーション装置300a、300bから棚札情報をIr通信(赤外線通信)にて受信し、テキストデータからなる棚札情報に従い価格などを文字表示する電子棚札である。500aは、中継ステーション装置300bから棚札情報をZIGBEE(登録商標)などのローパワーな低速無線通信にて受信し、画像データを含む棚札情報に従い価格などを画像表示する大型電子棚札である。600a、中継ステーション装置300aから棚札情報を無線LANなどの高速無線通信にて受信し、動画データを含む棚札情報に従い宣伝の映像などを動画表示するディスプレイ付電子棚札である。700は、電子棚札400a、400b、大型電子棚札500、ディスプレイ付電子棚札600の識別情報を、各電子棚札に貼付されたバーコードを読み取ることで取得し、これを中継ステーション装置300aまたは300bを介して、通信コントロール装置200に登録させるハンディターミナル装置である。
(第2の実施形態)
以下、図面を参照して、本発明の第2の実施形態について説明する。図14は、この発明の第2の実施形態による電子棚札システムの構成を示す概略ブロック図である。同図において図1の各部に対応する部分には同一の符号を付け、その説明を省略する。800は、電子棚札に表示させる価格などの棚札情報と棚札ID情報とを中継ステーション装置にブロードキャストして電子棚札への配信を行なう通信コントロール装置である。900a、900bは、通信コントロール装置800がブロードキャストした棚札情報と棚札ID情報のうち、自装置に割り当てられた電子棚札宛ての棚札情報を選び出して、該棚札情報を電子棚札が受信可能な通信方式で中継する中継ステーション装置である。
Claims (13)
- 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムであって、
前記中継ステーション装置は、棚札情報の中継をする電子棚札装置が割り当てられており、自装置に割り当てられた電子棚札装置に対する棚札情報のみを中継することを特徴とする電子棚札システム。 - 前記通信コントロール装置は、
前記電子棚札装置を識別する情報と、該電子棚札装置が割り当てられた前記中継ステーション装置を識別する情報とを対応付けて記憶する送信ルート記憶部と、
一の電子棚札装置への棚札情報を配信するときは、前記送信ルート記憶部から該一の電子棚札装置が割り当てられた中継ステーション装置を識別する情報を取得し、該一の電子棚札装置への棚札情報を、該取得した情報が識別する中継ステーション装置に送信する棚札情報配信部と
を具備することを特徴とする請求項1に記載の電子棚札システム。 - 前記送信ルート記憶部は、前記電子棚札装置を識別する情報と前記中継ステーション装置を識別する情報とに加えて、前記電子棚札装置へ送信する際の通信方式を識別する情報を対応付けて記憶し、
前記棚札情報配信部は、前記一の電子棚札装置への棚札情報を配信するときは、前記中継ステーション装置を識別する情報に加えて、該一の電子棚札装置へ送信する際の通信方式を識別する情報を取得し、該一の電子棚札装置への棚札情報とともに前記取得した通信方式を識別する情報を送信し、
前記中継ステーション装置は、
前記送信された一の電子棚札装置への棚札情報と通信方式を識別する情報とを受信し、該受信した通信方式を識別する情報に従った通信方式で、前記受信した電子棚札装置への棚札情報を中継する棚札情報中継部
を具備することを特徴とする請求項2に記載の電子棚札システム。 - 前記電子棚札装置から該電子棚札装置を識別する情報を取得し、該電子棚札装置を識別する情報を前記中継ステーション装置に送信するハンディターミナル装置を具備し、
前記中継ステーション装置は、前記ハンディターミナル装置から前記電子棚札装置を識別する情報を受信し、自装置を識別する情報とともに前記通信コントロール装置に送信する送信先受付部を具備し、
前記通信コントロール装置は、前記前記電子棚札装置を識別する情報と前記中継ステーション装置を識別する情報とを受信し、この2つの情報を対応付けて前記送信ルート記憶部に記憶させる送信先登録部を具備すること
を特徴とする請求項2または請求項3に記載の電子棚札システム。 - 前記中継ステーション装置は、
自装置に割り当てられた電子棚札装置を識別する情報を記憶する送信先記憶部と、
前記通信コントロール装置が配信した前記電子棚札装置への棚札情報のうち、前記送信先記憶部に記憶されている情報が識別する電子棚札装置への棚札情報のみを受信して中継する棚札情報中継部と
を具備することを特徴とする請求項1に記載の電子棚札システム。 - 前記送信先記憶部は、前記電子棚札装置を識別する情報に対応付けて、該電子棚札装置へ送信する際の通信方式を識別する情報を対応付けて記憶し、
前記棚札情報中継部は、前記電子棚札装置への棚札情報を中継する際に、該棚札情報の送信先の電子棚札装置を識別する情報に対応付けて前記送信先記憶部に記憶されている情報が識別する通信方式を用いること
を特徴とする請求項5に記載の電子棚札システム。 - 前記電子棚札装置から該電子棚札装置を識別する情報を取得し、該電子棚札装置を識別する情報を前記中継ステーション装置に送信するハンディターミナル装置を具備し、
前記中継ステーション装置は、前記電子棚札装置を識別する情報を受信し、該情報を送信先記憶部に記憶する送信先受付部を具備すること
を特徴とする請求項5または請求項6に記載の電子棚札システム。 - 前記棚札情報中継部は、
外部から受信した棚札情報のうち、前記送信先記憶部に記憶されている情報が識別する電子棚札装置への棚札情報を該電子棚札装置へ中継し、それ以外の棚札情報を自装置以外の中継ステーション装置に送信することを特徴とする請求項5から請求項7のいずれかの項に記載の電子棚札システム。 - 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムにおける通信コントロール装置であって、
前記電子棚札装置を識別する情報と、該電子棚札装置が割り当てられた前記中継ステーション装置を識別する情報とを対応付けて記憶する送信ルート記憶部と、
一の電子棚札装置への棚札情報を配信するときは、前記送信ルート記憶部から該一の電子棚札装置が割り当てられた中継ステーション装置を識別する情報を取得し、該一の電子棚札装置への棚札情報を、該取得した棚札情報が識別する中継ステーション装置に送信する棚札情報配信部と
を具備することを特徴とする通信コントロール装置。 - 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムにおける中継ステーション装置であって、
自装置に割り当てられた電子棚札装置を識別する情報を記憶する送信先記憶部と、
前記通信コントロール装置が配信した前記電子棚札装置への棚札情報のうち、前記送信先記憶部に記憶されている情報が識別する電子棚札装置への棚札情報のみを受信して中継する棚札情報中継部と
を具備することを特徴とする中継ステーション装置。 - 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムにおける電子棚札情報配信方法であって、
前記中継ステーション装置が、自装置に割り当てられた電子棚札装置に対する棚札情報のみを中継する過程
を備えることを特徴とする電子棚札情報配信方法。 - 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムにおける通信コントロール装置が具備するコンピュータを
一の電子棚札装置への情報を配信するときは、送信ルート記憶部から該一の電子棚札装置が割り当てられた中継ステーション装置を識別する情報を取得し、該一の電子棚札装置への棚札情報を、該取得した情報が識別する中継ステーション装置に送信する棚札情報配信部として機能させるプログラム。 - 電子棚札装置への棚札情報を配信する通信コントロール装置と、前記棚札情報を電子棚札装置へ中継する複数の中継ステーション装置と、前記中継ステーション装置が中継した前記棚札情報を受信して、該棚札情報に基づく表示を行なう電子棚札装置とを具備する電子棚札システムにおける中継ステーション装置が具備するコンピュータを、
送信先記憶部から取得した自装置に割り当てられた電子棚札装置を識別する情報を取得し、前記通信コントロール装置が配信した前記電子棚札装置への棚札情報のうち前記取得した情報が識別する電子棚札装置への棚札情報のみを受信して中継する棚札情報中継部
として機能させるプログラム。
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US12/737,773 US20110193679A1 (en) | 2008-08-21 | 2008-08-21 | Electronic shelf label system, communication control device, relay station device, electronic shelf label information distribution method, and program |
EP08809188A EP2327338A4 (en) | 2008-08-21 | 2008-08-21 | ELECTRONIC SHELVING LABELING SYSTEM, COMMUNICATION CONTROL DEVICE, RELAYING DEVICE ELECTRONIC SHELVING LABELING DISTRIBUTION METHOD AND PROGRAM |
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PCT/JP2008/064941 WO2010021050A1 (ja) | 2008-08-21 | 2008-08-21 | 電子棚札システム、通信コントロール装置、中継ステーション装置、電子棚札情報配信方法およびプログラム |
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US (1) | US20110193679A1 (ja) |
EP (1) | EP2327338A4 (ja) |
CN (1) | CN102131429A (ja) |
WO (1) | WO2010021050A1 (ja) |
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JP5818973B2 (ja) * | 2011-05-06 | 2015-11-18 | プライサー エービー | 電子棚札のための方法及び構成 |
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DE202012103141U1 (de) * | 2012-08-20 | 2012-09-14 | Adva Optical Networking Se | Mobiles Endgerät zur Wartung eines Telekommunikationssystems |
CN104854796A (zh) * | 2013-05-27 | 2015-08-19 | 黄浩 | 电子货架标签、电子货架标签系统及更新esl的方法 |
CN103594029B (zh) * | 2013-11-12 | 2016-06-15 | 上海滕维信息科技有限公司 | 一种具存储功能的电子信息显示标签及使用方法 |
TW201545515A (zh) * | 2014-05-23 | 2015-12-01 | Chao-Yu Yueh | 基於複數個無線傳輸標準傳輸資訊之無線通信系統以及無線通信方法 |
US10742252B2 (en) * | 2014-09-23 | 2020-08-11 | Ses-Imagotag Gmbh | Radio base station and system having said radio base station |
EP3770816B1 (de) * | 2015-12-10 | 2023-02-08 | SES-Imagotag GmbH | Anzeigevorrichtung zum anzeigen einer preis- und / oder produktinformation |
CN105976702A (zh) * | 2016-05-10 | 2016-09-28 | 福州思飞信息技术有限公司 | 非接触式配置的商品信息电子显示牌系统 |
CN107105020A (zh) * | 2017-04-06 | 2017-08-29 | 苏州易泰勒电子科技有限公司 | 一种电子货架标签系统的通信方法 |
US10311258B2 (en) | 2017-06-08 | 2019-06-04 | Walmart Apollo, Llc | Methods and systems for an electronic shelf label system |
US11494821B2 (en) | 2019-04-01 | 2022-11-08 | Walmart Apollo, Llc | Methods and systems for an electronic shelf label system |
US20240289566A1 (en) * | 2019-08-07 | 2024-08-29 | Hanshow Technology Co., Ltd. | Electronic shelf label and system, and method for processing electronic shelf label data |
CN111245496B (zh) * | 2019-12-30 | 2022-07-26 | 南京奥汀科技发展有限公司 | 一种用于电子标签网络信号的节能通讯系统的方法 |
CN111355737B (zh) * | 2020-03-04 | 2022-08-19 | 努比亚技术有限公司 | 电子价签通信方法、网关、服务器、系统、设备及计算机可读存储介质 |
CN112929943B (zh) * | 2021-03-18 | 2024-09-20 | 努比亚技术有限公司 | 电子价签中继通信方法、设备及计算机可读存储介质 |
CN113490159B (zh) * | 2021-07-20 | 2024-08-23 | 努比亚技术有限公司 | 一种电子价签中继传输方法、设备及计算机可读存储介质 |
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Also Published As
Publication number | Publication date |
---|---|
US20110193679A1 (en) | 2011-08-11 |
EP2327338A4 (en) | 2011-11-23 |
EP2327338A1 (en) | 2011-06-01 |
CN102131429A (zh) | 2011-07-20 |
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