KR20000009695U - Remote Price Display System - Google Patents

Abstract

The present invention relates to a remote price display system that allows the user to remotely monitor and control the price display of each product placed on a display stand of a supermarket or a large discount store using wired or wireless communication. By simply entering the price information of the changed goods, the information is transmitted to a plurality of remote base stations 300 which are wirelessly assigned to a predetermined channel to the fixed base station 200 through a single or a predetermined number of fixed base station 200, The transmitted price information is transmitted along with a predetermined DC power through a plurality of indicators 400 linked through a power line to the remote base station 300 so that the price of the product is automatically displayed on the corresponding indicator 400 at a remote location. By the two-way communication, the status information, such as the availability status of the goods or whether the consumer is called by the indicator 400 is collected by the computer 100 In addition, you can quickly and conveniently change and adjust the price of each product placed on the shelves of supermarkets or large discount stores, and collect inventory from the fixed base stations by column and column on each shelf. This can be done more quickly and provides the convenience of allowing consumers to call employees on each shelf.

Description

Remote price display system

The present invention relates to a remote price display system, and more specifically, a remote price that enables the remote display of the price display of each product placed on a display stand such as a supermarket, a large discount store, or a department store by using wired or wireless communication. It relates to a display system.

In general, a supermarket or a large discount store displays the merchandise on a lattice shelf and sorts them by column and column, and displays the sales price list for the merchandise on a horizontal frame of shelves. Paste These sales price tags should be marked with price modifications in the event of a change in the displayed goods or a change in the price of the goods. Typically, there are a large number of products displayed in supermarkets and especially large discount stores, and the frequency of change of each product. Since there are many, managers or employees have to move around each shelf from time to time to change the price (lable) of the commodity price fluctuations (unable).

On the other hand, in order to solve the above-mentioned problems, it is possible to display the price of goods electronically by using a display element such as a 7-segment (LED) or a liquid crystal display (LCD), each price display device Can be displayed by adjusting the price of each product in the center by wires, but the number of power lines and signal lines connecting each price display device and the central control device increases due to the large number of products displayed. There is also a problem that the length is also increased, which causes considerable difficulty in wiring processing.

On the other hand, it can be configured to receive the above-described plurality of price display devices wirelessly, but each price display device must be provided with a wireless receiving device, and each battery must be provided separately as a driving power source, There is a problem that the cost rises.

Therefore, the present invention is intended to propose a method that can be displayed by conveniently adjusting the price of each product displayed on the display stand by combining the advantages of wired and wireless.

The present invention has been made to solve the conventional problems as described above, the purpose is to install a remote base station that can be wirelessly transmit and receive in each column of the display between the remote base station and the price display device for displaying the price for each column It communicates using power line communication, and displays each product's price at a remote location conveniently by changing and displaying the price of a plurality of product groups placed on a plurality of shelves by using a fixed base station centrally controlled by wireless communication. It is possible to adjust the price of the merchandise on the shelves, to grasp the stock of goods displayed on each shelf and column, collect them from fixed base stations, and manage inventory. To provide a remote price display system.

1 is a block diagram of a remote price display system according to the present invention.

2 is a detailed block diagram of a fixed base station.

3 is a detailed block diagram of a remote base station.

4 is a detailed block diagram of the indicator.

5 is a diagram illustrating a transmission and reception data format according to the present invention.

6 is a principle diagram of power / data separation and mixing.

♣ Explanation of symbols for main part of drawing ♣

100: computer 200: fixed base station

300: remote base station 400: indicator

The remote price display system according to the present invention comprises: a computer for inputting and transmitting price information including corresponding remote base station address, display label address, and sale price of displayed goods; A fixed base station for wirelessly transmitting price information applied by wire from the computer; A plurality of remote base stations which transmit the display label address and the selling price data on the power line together with the power when the price information wirelessly received from the fixed base station corresponds to a predetermined own address; If the display label address corresponds to its own address from the remote base station by the wired / wireless combined remote price display system including a plurality of indicators to display the sale price using the sale price data authorized together with the display label address. Can be achieved.

In the present invention, the fixed base station includes a computer connection interface for interfacing with a computer, a modulation section for modulating data applied through the computer connection section, and a transmission section for wireless transmission of modulated data from the modulation section.

The remote base station further includes a receiver for receiving data wirelessly transmitted from the fixed base station, a demodulator for demodulating the data received at the receiver, and price data if the demodulated data corresponds to a predetermined address. And a control unit which modulates and outputs data for wireless transmission from the control unit, and a transmission unit which transmits the modulated data through a power line. The remote base station receives commercially available 110V or 220V power and outputs 12V DC, which is suitable for the operation of the indicator, and supplies the power via the power line to the indicator. It works by receiving price information data simultaneously through one power line.

Meanwhile, the indicator includes a power supply / data separation unit for separating and outputting data applied through a power line, and a display label address included in the display label address included in data output from the power / data separation unit together with its display address. And a control unit for displaying and controlling the sale price of the product using the price data, and a display unit for displaying the product price based on the display control of the control unit.

According to another feature of the present invention, a state including price information including the corresponding remote base station address, display label address, and selling price of the displayed goods is transmitted, and the state includes an authorized remote base station address, display label address, and status data. A computer displaying the information in aggregate; A fixed base station which wirelessly transmits price information applied from the computer by wire, and wirelessly receives state information by wire to the computer; When the price information wirelessly received from the fixed base station corresponds to a predetermined own address, the display label address and the selling price data are transmitted on the power line together with the power in the received price information, and the display label address collected through the power line; A plurality of remote base stations for wirelessly transmitting status information including its address in the status data; If the display label address authorized through the power line carrier communication from the remote base station corresponds to its own address, the selling price is displayed by using the selling price data authorized together with the display label address, and the status data indicating the operation state of the label is displayed. In addition, a wired / wireless combined remote price display system including a plurality of indicators for transmitting by power line carrier communication is provided.

The above object and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a remote price display system according to the present invention, a computer 100, a fixed base station 200, a plurality of remote base station 300 and a plurality of indicators linked by power lines to the corresponding remote base station 300 2, which is a detailed block diagram of the fixed base station 200, FIG. 3 is a detailed block diagram of the remote base station 300, and FIG. 4 is a detailed block diagram of the indicator 400. .

In this configuration, the computer 100 is a general-purpose computer capable of processing information such as sales of a retailer such as a supermarket, a department store, or a large discount store, inventory management, etc., in particular, the price change adjustment and the product inventory of the goods displayed on the shelves. In order to check the status of the display merchandise such as management, input price information including the corresponding remote base station address, display label address and sales price, and obtain status information including the authorized remote base station address, display label address and status data. Collect and display on a monitor. The computer used for this purpose can work well as a large computer with a large capacity as well as a personal computer with a moderate capacity.

The fixed base station 200 wirelessly transmits price information of a predetermined format applied from the computer 100 by wire (for example, a serial port, a parallel port, or a LAN port) to a predetermined channel, and then to a predetermined channel. Wired transmission of the state information of a predetermined format received wirelessly to the computer 200, and may be provided with a single or a plurality according to the size of a supermarket or a large discount store, the computer connection unit for interfacing with the computer 100 in the detailed configuration 205, a modulator 210 for modulating the data applied through the computer connection unit 105, a transmitter 215 for wirelessly transmitting the modulated data from the modulator 210, and a remote base station 300 The receiver 220 receives the wirelessly transmitted data, the demodulator 225 which demodulates the received data from the receiver 220 and applies it to the computer connection unit 205, and controls each component. It includes a control unit 230 for controlling the overall operation of 0).

In addition, a plurality of remote base stations 300 are installed in each column or column of the display rack, and displayed in the received price information when the price information received by wireless transmission from the fixed base station 200 matches with a predetermined address. The base station is configured to transmit the label address and the selling price data to the power line to which each indicator 400 is connected, and transmit the power through the power line communication, and to fix the state information including its own address in each display label address and state data collected through the power line. Radio transmission to the (200). The detailed configuration includes a receiver 305 for receiving data wirelessly transmitted by the transmitter 215 of the fixed base station 200, a demodulator 310 for demodulating the data received by the receiver 305, and demodulated data. The control unit 315 outputs the price data for transmission through the power line if it corresponds to a preset address, and outputs the data for wireless transmission by including its address in data on the state of the article applied through the power line. And a modulator 320 for modulating and outputting data for wireless transmission from the controller 315, a transmitter 325 for wirelessly transmitting the modulated data, and data for power line transmission from the controller 315. A power / data mixing unit 330, a power / data mixing unit 330, and a power supply unit, each of which is mixed with a DC power supply and output to a power line, and separates data applied from the power line to the control unit. It includes a power supply 335 for supplying DC power to the predetermined part, and further includes a pager receiver 350 for transmission to the control unit 315 receives the pager signal to the remote control, using a public network calls.

On the other hand, the indicator 400 is located in the lower or upper display frame frame near the display of a predetermined number of displays to display the price of the corresponding product of the lattice display rack and a predetermined number is assigned to the remote base station 300 is connected to the power line If the display label address authorized through the power line carrier communication from the remote base station 300 corresponds to its own address, the display price is displayed using the selling price data authorized together with the display label address, and the state indicating the operation state thereof. Power / data separation unit 405 for transmitting data (e.g., inventory status, call status, etc.) together with the label address to the power line carrier communication, and the detailed configuration of which separates and outputs data applied through the power line; The display label address included in the data outputted from the power / data separator 405 is stored in its own address. In response, the display unit includes a control unit 410 for controlling the display price of the product using price data included with the display label address and an LED or LCD for displaying the product price based on the display control of the control unit 410 ( 415).

In addition, the display unit 400 detects whether there is a shortage of merchandise on the display stand, and provides a sensor unit 420 for applying a detection signal to the control unit 410, and a call button for outputting a signal generated by a user's button manipulation to the control unit 410. And a pager receiver 450 capable of receiving a pager through the call network.

Next, the operation of the remote price display system according to the present invention having the above-described configuration will be described in detail.

First, as shown in FIG. 5, the format of the transmission / reception data according to the present invention is to designate an address of two levels in order to distinguish and recognize the remote base station 300 and the indicator 400. The price information of a predetermined format including an address, a price indicating a changed product price, and price data indicating a product name or a model number is used for transmission from the fixed base station 200 to the remote base station 300.

That is, the user manipulates the computer 100 to selectively change and display the price of each product displayed on the shelf, and the user can change information about the product to be changed (for example, the display position, the price of the shelf, etc.). ) Is entered through the keyboard.

Then, the information about the product input through the keyboard is output through the serial port, parallel port or LAN port of the computer 100, the information about the output product is controlled by the control unit 230 of the fixed base station 200 Based on this, the data is transmitted to the computer connection 205.

Next, the information transmitted to the computer connection unit 205 is composed of the above-described price information of the predetermined format under the control of the control unit 230 and modulated by the modulator 210, and the modulated price information is transmitted to the transmitter 215. It is transmitted to the remote base station 300 via the radio frequency of the predetermined channel through.

Meanwhile, the receiver 305 of the remote base station 300 receives the modulated price information transmitted from the transmitter 215 of the fixed base station 200 and transmits the modulated price information to the demodulator 310.

Then, the demodulation unit 310 demodulates the price information to be applied to the control unit 315, and the control unit 315 compares and compares whether the remote address matches the unique address assigned to the control unit 315. In this case, the display level address and price data are output from the price information applied to the power / data mixing unit 330.

Then, the power / data mixing unit 330 transmits the data applied from the control unit 315 to each of the indicators 400 connected by the power line, as shown in the block diagram of power / data separation and mixing of FIG. 6. Since the predetermined DC power from the power supply unit 335 is a direct current, the DC power is transmitted to the indicator 400 through the power line without being reversed through the capacitor C1, and the data from the control unit 315 is modulated to a high frequency signal and output. It passes safely through C1 and is transmitted to the indicator 400 through the power line.

Next, the DC power transmitted through the power line is used as the driving power of the indicator 400, and the data applied through the power line is transferred to the controller 410 through the power / data separator 405 of the display 400. do.

In this case, the control unit 410 of the display unit 400 compares whether the display label address is assigned to the display label address among the authorized data, and displays the display unit 415 by using the price data that is applied together if the display label address is allocated to the display label address. ) To control the display price and product name of the product.

As a result, when the user simply inputs the price information of the changed product by using the keyboard of the computer 100, the information is wirelessly allocated to the fixed base station 200 through a single channel or a predetermined number of fixed base stations 200 in a predetermined channel. The price information is transmitted to the plurality of remote base stations 300, and the price information is transmitted to the remote base station 300 through a plurality of indicators 400 linked through a power line, together with a predetermined DC power source, at a corresponding indicator 400 at a remote location. The price of the merchandise will be displayed automatically.

In this case, when the distance between the fixed base station 200 and the remote base station 300 is far, it is possible to relay by installing a mobile base station for the relay between them, thus, the price of goods on the shelves installed on a plurality of floors in the building in the center Intensive control is possible.

In addition, the remote base station 300 and the indicator 400 can be controlled at a remote location using the pager receivers 350 and 450 which can be received using a public pager net system. Since the wireless call network propagates well to the basement, it is possible to prevent poor control according to the radio wave shadow area, and in particular, it is provided as a backup function when the original communication between the fixed base station, the mobile base station and the remote base station is poor. desirable.

On the other hand, in the present invention, as shown in Figure 5 to collect and confirm the operating state (for example, product inventory, call availability and the alarm situation for preventing theft) of each indicator 400 because bidirectional communication is possible. In order to distinguish and recognize the remote base station 300 and the indicator 400, state information of a predetermined format including an address of a designated second stage and state data of the corresponding indicator 400 is used.

That is, the sensor unit 420 provided in each display unit 400 detects whether the corresponding product is insufficient, and detects whether the corresponding product is insufficient by using an infrared sensor and transmits the detection result to the control unit 410.

On the other hand, the call button 425 of each indicator 425 is a means for a consumer to directly call a salesman or a manager on the shelves in which the goods are displayed in a supermarket or a large discount store, and when such a call button 425 is pressed, The control unit 410 is detected.

Therefore, if the above state data indicating the lack of the product and whether the consumer is called or not is applied to the power line through the power / data separation unit 405 together with the display level address assigned to the display 400, the corresponding remote base station 300 It is transmitted to the control unit 315 through the power / data mixing unit 330, the state information collected in each indicator 400 is added to the assigned remote address of the remote base station 300, the modulator 320 and the transmitter 325 is wirelessly transmitted to the fixed base station 200.

Next, the receiving unit 220 of the fixed base station 200 receives the state information transmitted by the transmitting unit 325 of each remote base station 300, and the received state information is decompressed by the demodulation unit 225 to perform computer connection. Collected by the computer 100 through the 205, through the collected state information it is possible to easily grasp the stock status of the goods displayed on the shelves.

Those skilled in the art will appreciate that various changes and modifications can be made within the scope of the technical idea of the present invention.

As described above, according to the present invention, the price of each product disposed in the display stand of a supermarket or a large discount store can be quickly and conveniently changed and adjusted through a computer at a central control unit of a remote site. In particular, it is not necessary to arrange a plurality of wires in order to control all the indicators by wires, and there is no need to supply a power supply for each indicator in order to control each indicator wirelessly. In addition, it is possible to process inventory management more quickly by grasping the stock of goods displayed on the shelves by column and column, and combining them in fixed base stations, and providing convenience for consumers to call employees on each shelf. There is.

Claims (10)

A computer 100 for inputting and transmitting price information including the corresponding remote base station address, display label address, and sale price of the displayed goods; A fixed base station (200) for wirelessly transmitting price information applied from the computer (100) by wire; When the price information wirelessly received from the fixed base station 200 corresponds to a predetermined own address, the plurality of remote base stations 300 carrying the display label address and the selling price data on the power line and transmitting the power together with the power in the received price information. and; Wired / wireless hybrid type including a plurality of indicators 400 for displaying the sale price using the sale price data authorized along with the display label address if the display label address corresponds to its own address from the remote base station 300 through the power line Remote price display system. 2. The system of claim 1, wherein the fixed base station transmits data through a public pager network and the remote base station receives data through a pager network. The system of claim 1, further comprising a mobile base station for receiving a signal including price information transmitted from the fixed base station (200) and relaying a signal transmitted to a remote base station of a range. A computer that inputs and transmits price information including the corresponding remote base station address, display label address, and sale price of the displayed goods, and displays and displays status information including authorized remote base station address, display label address, and status data. 100); A fixed base station (200) for wirelessly transmitting price information applied from the computer (100) by wire, and wirelessly receiving status information to the computer (100); When the price information wirelessly received from the fixed base station 200 corresponds to a predetermined own address, the display label address and the selling price data are loaded on the power line and transmitted together with the power from the received price information, and the display collected through the power line. A plurality of remote base stations 300 for wirelessly transmitting status information including its address in label addresses and status data; If the display label address authorized through the power line carrier communication from the remote base station 300 corresponds to its own address, the selling price is displayed by using the selling price data authorized together with the display label address, and state data indicating its operation state. Wired and wireless combined remote price display system comprising a plurality of indicators (400) for transmitting a power line carrier communication with a label address. The method of claim 4, wherein A modulator (210) for modulating data applied from the computer (100); A transmitter 215 for wirelessly transmitting the modulated data from the modulator 210; A receiver 220 for receiving data wirelessly transmitted from the remote base station 300; A demodulator 225 for demodulating the data received from the receiver 220 and applying the demodulated data to the computer connection unit 205; Remote price display system comprising a control unit 230 for controlling each component. The apparatus of claim 4, wherein the remote base station (300) comprises: a receiving unit (305) for receiving data wirelessly transmitted from the fixed base station (200); A demodulator (310) for demodulating the data received by the receiver (305); If the demodulated data corresponds to a predetermined one's own address, the controller outputs data except for its own address through a power line, and outputs the wireless data by including its address in the data applied through the power line. 315); A modulator 320 for modulating and outputting data for wireless transmission from the controller 315; A transmitter 325 for wirelessly transmitting the modulated data; A power / data mixing unit 330 which mixes data for power line transmission from the control unit 325 with a predetermined DC power source and outputs the power line, and separates data applied from the power line to the control unit 325; And a power supply unit (340) for supplying predetermined DC power to the power / data mixing unit (335) and each component. 5. The display device of claim 4, wherein the indicator (400) comprises: a power / data separator (405) for separating and outputting data applied through a power line; If the display label address included in the data output from the power / data separator 405 corresponds to its own address, a control unit 410 for controlling the display price of the product using price data included with the display label address. )Wow; And a display unit (415) for displaying a product price based on the display control of the control unit (410). The display apparatus of claim 4, wherein the display unit 400 further includes a sensor unit 420 that detects whether a product placed on a display rack is insufficient and applies a detection signal to the control unit 410. The control unit 410 includes the data indicating lack of inventory in the state data indicating the operation state based on the detection signal applied from the sensor unit 420 to the power / data separation unit 405 for power line carrier communication. Remote price display system characterized in that the output. 5. The system of claim 4, wherein the fixed base station transmits data through a public pager network, and the remote base station receives data through the public pager network. 5. The system of claim 4, further comprising a mobile base station receiving a signal including price information transmitted from the fixed base station (200) and relaying a signal transmitted to a remote base station of a range.