JP4381286B2 - Product sales data processing device - Google Patents

Description

  The present invention relates to a merchandise sales data processing apparatus such as a POS (Point of Sales) terminal used in a family restaurant / fast food restaurant or the like.

  Conventionally, in a merchandise sales data processing device such as a POS terminal used in a family restaurant / fast food restaurant, etc., a display device for displaying a menu screen or the like for a cashier to register merchandise sales is generally provided to customers. It consists of two screens of the customer side display device that displays CMs and the like for expanding sales videos.

  In such a merchandise sales data processing apparatus, generally, screen information stored as digital data on the computer side is converted into an analog signal and sent to a display device (customer side display device). Many of the interfaces used in such a merchandise sales data processing apparatus are analog RGB and LVDS interfaces that cannot be inserted or removed.

  In recent years, a digital connection standard called DVI (Digital Visual Interface) has been standardized as one of interface standards for connecting a computer and a display device (see Patent Document 1). The DVI is an interface that allows a digital signal to be sent directly from a computer to a digitally driven display device such as a liquid crystal display. According to such DVI, there is a feature that signal deterioration due to conversion is eliminated and image quality is improved.

  In addition, some DVI standard display devices are compatible with the hot plug function (hot plugging / unplugging: the cable can be inserted / removed while the device is turned on) and can be connected after the computer is started. It has become.

JP 2002-169532 A

  By the way, in the merchandise sales data processing apparatus configured with two screens as described above, in order to realize the two-screen display using the DVI terminal, it is necessary to have two DVI ports. When two DVI ports are provided in this way, there are problems that the manufacturing cost increases and the apparatus main body of the merchandise sales data processing apparatus also becomes large.

  An object of the present invention is to realize cost reduction / space saving of a merchandise sales data processing apparatus that can realize a multi-screen display.

The merchandise sales data processing apparatus of the present invention is a merchandise sales data processing apparatus that executes merchandise sales registration processing, wherein a plurality of display devices and each of the display devices can be connected, and the display device is connected by a signal from a connection terminal. Means for identifying whether or not the connection terminal is connected; means for determining whether or not a merchandise sales registration process is in progress if the display device is not connected to the connection terminal; and If the determination result is during merchandise sales registration processing, a voice notification is made that switching of the display device with respect to the connection terminal is impossible. If the judgment result is not under merchandise sales registration processing, switching of the display device relative to the connection terminal is performed. means for sound reporting that can be, if it is determined that the display device to the connection terminal after determining that not being commodity sales registration processing are connected, The signal from the serial connection terminal comprises means for identifying the type of the display device, and means for switching the application according to the type of the identified said display device.

  According to the present invention, a plurality of display devices can be displayed in a pseudo manner with a single product sales data processing device, and the product sales registration processing is executed without turning the product sales data processing device OFF / ON. Since the menu screen and the sales expansion display can be switched smoothly and used, it is possible to realize a low cost / space saving of the product sales data processing apparatus capable of realizing a multi-screen display.

  An embodiment of the present invention will be described with reference to FIGS. The merchandise sales data processing apparatus according to the present embodiment is an example applied to a POS (Point of Sales) terminal used in a family restaurant / fast food restaurant or the like.

  FIG. 1 is a configuration diagram schematically showing a POS terminal 1 according to the present embodiment. As shown in FIG. 1, the POS terminal 1 is placed on a drawer 2. The POS terminal 1 includes a keyboard 3 in which various keys are gathered, a DVI (Digital Visual Interface) terminal 4 that is a connection terminal, a printer 5 that prints and issues a receipt, a magnetic card reader 6 that reads a magnetic card, and a POS terminal 1. A control key 7 for switching the processing mode is provided. The POS terminal 1 is connected to a barcode scanner 8 for optically reading a product code attached to a product.

  The DVI terminal 4 provided in the POS terminal 1 includes a monitor A which is a display device for merchandise sales registration on which a cashier displays a menu screen for executing merchandise sales registration processing, and a POS terminal 1. Monitor B, which is a display device that is installed in a cash register stand or drive-through window, etc., which displays CMs for sales promotion video to customers, and TV programs, etc., that are installed on the walls of customer seats A monitor C which is a display device can be selectively connected. These DVI standard monitors A, B and C support hot plug (plugging and unplugging: cables can be inserted and removed while the device is turned on), and even after the POS terminal 1 is started up. It can be inserted.

  Next, the electrical connection of each part provided in the POS terminal 1 will be described with reference to FIG. As shown in FIG. 2, the POS terminal 1 includes a microcomputer (hereinafter referred to as a microcomputer) 10 that functions as a control means. The microcomputer 10 includes the drawer 2, the keyboard 3, the DVI terminal 4, and the printer described above. 5, the magnetic card reader 6, the control key 7, the barcode scanner 8, and the like are driven and controlled via the bus line 11 and various control circuits (not shown). The microcomputer 10 is variable with a ROM (Read Only Memory) 13, which is a storage medium that stores in advance fixed data such as a startup program, via a bus line 11 in a central processing unit (CPU) 12 that centrally controls each unit. It is configured by connecting a RAM (Random Access Memory) 14 that stores typical data in a rewritable manner.

  Further, an HDD (Hard Disk Drive) 15 is connected to the microcomputer 10 via a bus line 11. The HDD 15 stores a control program for operating the microcomputer 10, a product master file, and sales information related to sales registration. Stored sales files, customer files, and the like.

  Here, among the functions that the control program stored in the HDD 15 built in the POS terminal 1 causes the microcomputer 10 to execute, the processing operation related to the sale of the product will be briefly described. For example, when a product code attached to a product is read by the barcode scanner 8 or a key is input from the keyboard 3, the microcomputer 10 searches the product master file based on the read product code or the product code assigned to the key. The product name, unit price, etc. corresponding to the corresponding product code are read out, product sales registration processing is performed based on the product code, product name, unit price, etc., and the registration to the department A or the monitor A connected to the DVI terminal 4 is performed. The receipt is printed out by the printer 5 and the registered product sales registration data is accumulated in the sales file.

  A function that the control program stored in the HDD 15 built in the POS terminal 1 causes the microcomputer 10 to execute under such a configuration will be described.

  First, the microcomputer 10 follows a control program stored in the HDD 15 in order to support the hot plug function of the monitors A, B, and C of the DVI standard, so that a DVI monitor (monitors A, B, C) and a means capable of identifying whether or not the DVI terminal 4 is connected and a means capable of identifying the type of the monitor connected to the DVI terminal 4 by a signal from the DVI terminal 4 . The detailed contents are well-known technology as a hot plug function, and the description thereof is omitted.

  Next, a monitor switching process that is a characteristic function of the POS terminal 1 will be described. Here, FIG. 3 is a flowchart showing the flow of monitor switching processing which is a characteristic function of the POS terminal 1 of the present embodiment. As shown in FIG. 3, when the microcomputer 10 determines that the monitor is disconnected from the DVI terminal 4 (Y in step S1), the microcomputer 10 is in a state where the monitor can be inserted into or removed from the DVI terminal 4. It is determined whether the current state is correct (step S2). Here, the state in which the monitor cannot be inserted into and removed from the DVI terminal 4 is, for example, in the case of merchandise sales registration processing.

  In addition, when it is not possible to insert or remove the monitor, such as during product sales registration, the monitor background color may be changed, or characters such as “monitor change not possible” may be displayed on the monitor to register the product sales You may make it alert | report that it is in the state which cannot be inserted or removed of this monitor. In addition, when the monitor can be inserted and removed, change the monitor background color or display a message such as “Monitor can be changed” on the monitor to confirm that the monitor can be inserted or removed. You may make it alert | report.

  When the microcomputer 10 determines that the monitor has been removed when the monitor cannot be inserted into or removed from the DVI terminal 4 (for example, when the monitor cannot be inserted or removed during the merchandise sales registration process). (If it is determined that the monitor A for merchandise sales registration has been mistakenly removed) (N in step S2), a voice such as "Product sales are being registered. Please connect the monitor for registration screen." Is recommended to connect the monitor A for merchandise sales registration, and operations related to merchandise sales registration processing such as key input and barcode input are invalidated to prevent erroneous input / incorrect registration ( Step S3).

  Thereafter, when the microcomputer 10 recognizes that a monitor is connected to the DVI terminal 4 (Y in step S4), the microcomputer 10 determines whether or not the connected monitor is the monitor A for merchandise sales registration (step S5). .

  If it is determined that the monitor connected to the DVI terminal 4 is not the product sales registration monitor A (N in step S5), the product sales registration monitor such as “the product sales registration monitor is not connected” is displayed. The fact that it is not a monitor is notified by voice (step S6).

  When the monitor connected to the DVI terminal 4 determines that the monitor A for merchandise sales registration is connected again (Y in step S5), the operation related to merchandise sales registration processing such as key input and barcode input is enabled. Then, the merchandise sales registration process can be executed (step S7), and the process ends.

  On the other hand, if the microcomputer 10 determines that the monitor has been removed when the monitor can be inserted into and removed from the DVI terminal 4 (Y in step S2), “The monitor has been removed. Please play the voice (guide voice), etc., and invalidate operations related to the merchandise sales registration process such as key input and bar code input to prevent erroneous input / incorrect registration (step S8).

  Thereafter, when the microcomputer 10 recognizes that a monitor is connected to the DVI terminal 4 (Y in step S9), the monitor connected to the DVI terminal 4 is a monitor A for merchandise sales registration and a monitor B for sales expansion video reproduction. Then, it is determined which of the monitors C displays a television program or the like (step S10).

  When the microcomputer 10 recognizes a monitor connected to the DVI terminal 4 (monitor A for merchandise sales registration, monitor B for sales video reproduction, monitor C for displaying a TV program, etc.) (step S10), An application necessary for display is activated (step S11, step S12, step S13). Further, the microcomputer 10 displays the information by changing the resolution and the number of colors suitable for the monitor and application based on the information acquired from the monitor connected to the DVI terminal 4 (step S11, step S12, step S13).

  As described above, according to the present embodiment, the monitor A, the monitor B, and the monitor are monitored by the signal from the DVI terminal 4 corresponding to the hot plug (hot plugging / unplugging: the cable can be plugged / unplugged while the apparatus is turned on). The identification of whether any one of C is connected to the DVI terminal 4 and the type of the connected display device (monitor A, monitor B, monitor C) are made, and the identified display device ( The application is switched according to the type of monitor A, monitor B, monitor C). As a result, a plurality of display devices (monitor A, monitor B, monitor C) can be displayed in a pseudo manner on one POS terminal 1, and sales registration processing of products can be performed without turning the POS terminal 1 off / on Since the menu screen for execution and the sales expansion display can be switched smoothly and used, it is possible to realize low cost / space saving of the POS terminal 1 that can realize multi-screen display.

  In this embodiment, the monitor A, the monitor B, and the monitor C are inserted into and removed from the DVI terminal 4 of the POS terminal 1. However, as shown in FIG. You may make it output the output from the POS terminal 1 to any one of the monitor A, the monitor B, and the monitor C using the monitor distributor 20.

It is a block diagram which shows schematically the POS terminal of one Embodiment of this invention. It is a block diagram which shows the electrical connection of each part with which a POS terminal is equipped. It is a flowchart which shows the flow of a monitor switching process. It is a block diagram which shows schematically the modification of a POS terminal.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Merchandise sales data processing apparatus, 4 ... Connection terminal, A, B, C ... Display apparatus

Claims (5)

In the product sales data processing apparatus that executes product sales registration processing,
A plurality of display devices;
Each display device is connectable, and means for identifying whether the display device is connected to the connection terminal by a signal from a connection terminal;
Means for determining whether or not a merchandise sales registration process is in progress when identifying that the display device is not connected to the connection terminal;
When the determination result is during merchandise sales registration processing, a voice notification is made that switching of the display device with respect to the connection terminal is impossible, and when the merchandise sales registration processing is not in progress, the display device with respect to the connection terminal Means for voice notification that switching is possible;
After determining that the product sales registration process is not in progress, if it is determined that the display device is connected to the connection terminal, means for identifying the type of the display device by a signal from the connection terminal;
Means for switching an application according to the type of the identified display device;
A product sales data processing device comprising: If the determination result is during the merchandise sales registration process, the operation related to the merchandise sales registration process is invalidated, and then the display for merchandise sales registration for displaying a menu screen or the like for the cashier to execute the merchandise sales registration process If the display device other than a device is connected to the connecting terminals, when maintaining the ineffective operation of the commodity sales registration processing, the display device for the commodity sales registration is connected to the connection terminals, product sales Enable operations related to the registration process,
The merchandise sales data processing apparatus according to claim 1 . If the determination result is in the merchandise sales registration process, the display device for merchandise sales registration is informed that it has been removed from the connection terminal,
3. The merchandise sales data processing apparatus according to claim 1, wherein The merchandise sales data processing apparatus according to any one of claims 1 to 3 , wherein the display is performed by changing a resolution or the number of colors according to the display device connected to the connection terminal. In accordance with the application corresponding to the display device connected to the connection terminal, the resolution and the number of colors are changed and displayed.
The merchandise sales data processing apparatus according to any one of claims 1 to 4 , wherein

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