JPH0119586B2 - - Google Patents

Description

[Detailed Description of the Invention] (1) Technical Field of the Invention The present invention relates to a point of sale system (Point of Sale).
This invention relates to display devices such as POS (Sales: POS) terminal devices (hereinafter referred to as POS terminals), and in particular relates to improvements to display devices whose display units can be replaced.

(2) Background of the technology In recent years, with the spread of computer network systems, POS terminals have been widely used in department stores, supermarkets, etc.

The POS terminal is operated by an operator such as a store clerk, and in addition to register functions, it also sends sales information by product online to the Suiichi computer center for sales aggregation, inventory management, purchasing management, and other product management and store management. It functions as a terminal for a comprehensive information management system. It is equipped with a display unit, and a predetermined display is performed based on input information such as keyboard operations by an operator. The product number, product name, price, etc. are also displayed and other instructions are given to the operator. Depending on the content to be displayed and the amount of display, a light emitting diode, a fluorescent display tube, a plasma display, or the like is used as the display panel of the display unit.

(3) Prior Art and Problems FIG. 1 is a perspective view illustrating a POS terminal to which the present invention is applied. Figure 2 is a side view of Figure 1,
3 is an exploded perspective view showing the display section of FIG. 1. FIG.

In the figure, 1 is a POS terminal, 2 is a housing, 3 is a display section, 3a is a screen, 4 is a keyboard section, 5 is a receipt outlet, 6 is a printer section, 7 is a winding section,
8 is a control unit, 9 is a cash drawer, 10 is a frame, 11 is a printed board unit, 12 is a display panel, 13 is a display unit, 14 is a cover, and 18 is a screw. As shown in Figure 1, POS terminal 1
A display section 3 is disposed at the upper front of the housing 2, and a keyboard section 4 is disposed at the center of the front. A cash drawer 9 is arranged below the keyboard section 4, and a receipt outlet 5 is arranged below the display section 3. As shown in FIG. 2, a control section 8 is located behind the keyboard section 4 and on the right side of the figure.
However, the printer section 6 is arranged above the control section 8. A winding section 7 is provided at the front of the printer section 6.

The display section 3 includes a frame 10, a printed board unit 11 and a display panel 1, as shown in FIG.
A display unit 13 consisting of two parts is attached, and the front surface of the display unit 13 is further covered with a transparent cover 14 and fixed with screws 18. The printed board unit 11 is screwed to the frame 10, and the display panel 12 has its edge pressed against the frame 10 and is held down by a cover 14.

With such a configuration, a signal is sent to the control unit 8 based on input information such as an operation of the keyboard unit 4 by an operator, and a command signal from the control unit 8 is used to issue an operation instruction to the operator for the product number, product name, and unit price. are successively displayed on the screen 3a of the display section 3, and finally, the necessary calculation processing is performed and the total amount, change amount, etc. are displayed. At the same time, printer section 5
The receipt and the journal are printed by the printer, and the receipt comes out from the receipt outlet 5. Further, the journal is wound up by the winding section 7. Next, the cash drawer 9 opens and comes forward, allowing cash to be disbursed and disbursed. During this time, if the operator makes a mistake in operation, a warning message or the like is displayed on the screen 3a so that the error in processing can be corrected.

The display unit 13 of the display section 3 is composed of the display panel 1 with various display methods as described above.
However, in the conventional method, once a display method is determined, the display unit 13 having the display panel 12 is fixed to the frame 10 with screws or the like, and it is not possible to replace the display panel 12 with a different method. It wasn't easy.

Since the types of products displayed on POS terminals differ significantly depending on the product sales floor, a display method corresponding to this is used when installing the terminal. For example, the types of products in the shoe department and the toy department are different.
Display panel 12 of POS terminal used in shoe department
If it is a light emitting diode type, screen 3a
There is a screen with the specified product name etc. in a predetermined position, and it is clearly displayed by a light emitting diode.
The display panel 12 in the toy department cannot be made with a light emitting diode type, so the display panel 1
2. A plasma display system that can display the product name, etc. at any arbitrary position is suitable.

However, in the distribution industry where POS terminals and the like are used, layouts are often changed due to expansion or relocation of product sales areas, which often requires an increase in the number of items handled or a change in display content. Therefore, it has been desired that the display panel 12 of the POS terminal can be easily changed to a different type.

(4) Purpose of the Invention The purpose of the present invention is to meet the above-mentioned demands, and to provide a display device whose display unit can be easily replaced.

(5) Structure of the Invention In the present invention, the display section has a frame forming an opening surface, a display unit consisting of a printed board unit and a display panel, and a cover, and a guide is provided at an inner corner of the frame. Fasteners are further provided at the lower corners, the upper guide has a groove into which one side of the printed board unit is inserted, and the abutting surface of the display panel, and the lower guide has a groove for inserting one side of the printed board unit, and the lower guide has a groove for inserting one side of the printed board unit. A fastener made of an elastic body is formed with a notch supporting the display panel and a contact surface of the display panel, and is provided close to the lower guide. In order to press the printed board units into the notches of the guide, the box-shaped frame has a number of claws corresponding to the number of printed board units to be pressed, is attached to the opening of the frame, and the bottom is made of a transparent plate. This display device is characterized in that the cover has a protrusion that presses the surface of the display panel toward the contact surface of the guide, and the peripheral side surface of the frame is fitted into the box-shaped side surface portion. In this way, the objective can be achieved.

(6) Embodiment of the Invention An embodiment of the present invention will be described above with reference to FIGS. 4 to 6. FIG. 4 is a plan view showing an embodiment according to the present invention, and FIG. 5 is a plan view showing an embodiment of the present invention.
FIG. 6 is a sectional view taken along line A', and a perspective view illustrating how the printed board unit shown in FIG. 4 is held. In the figure, 15 is a fastener, 15a is a claw part, 16, 17
is a guide. Also, the same parts as in FIG. 3 are indicated by the same symbols.

The guide 1 is attached to the frame 10 as shown in FIG.
6, 17 and fasteners 15 are attached.
As shown in FIG. 5, the guide 16 is provided with a groove into which the upper end corner of the board 11' of the printed board unit 11 is inserted, and a contact surface of the display panel 12, and the guide 17 is provided with a groove for inserting the upper end corner of the board 11' of the printed board unit 11, and a guide 17 that controls the lateral position of the printed board 11'. It has a notch that guides and supports its back surface, and a contact surface for the display panel 12. Further, the fastener 15 shown in FIG. 6 is made of a resilient resin molded material (for example, nylon) and has a claw portion 15a, which acts to press the substrate 11' against the guide 17 by utilizing the elasticity, thereby printing. Holds the plate unit 11. The cover 14 covers the screen 3a so as to press the front surface of the display panel 12, and is fixed to the side surface of the frame 10 with screws 18.

With such a configuration, the display panel 12
When removing the printed board unit 11, that is, the display unit 13, first loosen the screws 18, remove the cover 14, and remove the display panel 12.
The printed board unit 11 can be easily removed by opening the claw portion 15a of the fastener 15 shown in the figure outward with the fingers of the hand and pulling it toward you from below the printed board unit 11. Furthermore, when installing the display unit 13 of a different display method, it can be installed by following the procedure reverse to the above. As described above, the display unit 13 can be easily replaced. When replacing the display unit 13 with a different display method, it is necessary to replace one printed board unit that controls the display unit 13 housed in the control section 8, but this replacement is done by inserting it into the guide rail. It's extremely easy.

Further, an example of installing fasteners 19 and 20 different from those in the above embodiment will be explained with reference to FIGS. 7 and 8. FIG. 7 is a perspective view showing a fastener having two claws, and FIG. 8 is a perspective view showing a fastener having three claws.

In the figure, 19 and 20 are Huasuna, 19a and 19
b, 20a to 20c indicate claw portions.

The difference between the embodiment shown in FIG. 7 and the embodiment shown in FIG. This allows the plate unit to be held. That is, in order to replace and use the display unit 13 of the display section 3, if two printed board units of different sizes and thicknesses are assembled in advance depending on the display method, only the display panel can be replaced when necessary. good. The control section 8 also has built-in printed board units corresponding to each display method.

Fig. 8 shows a further extension of the method shown in Fig. 7.
0 has three claw portions 20a to 20c, and can hold printed board units compatible with three types of display methods in advance.

(7) Effects of the Invention As explained above, according to the present invention, it is possible to easily replace the display unit of the display section of a POS terminal, etc., so it has the effect of easily responding to changes, increases and decreases, etc. of display contents. .

[Brief explanation of drawings]

FIG. 1 is a perspective view illustrating a POS terminal to which the present invention is applied, FIG. 2 is a side view of FIG. 1, FIG. 3 is an exploded perspective view showing the display section of FIG. 1, and FIG. A plan view showing an embodiment according to the present invention, FIG. 5 is a sectional view taken along the line A-A' with a cover added to FIG. 4,
6 is a perspective view illustrating the holding of the printed board unit shown in FIG. 4, FIG. 7 is a perspective view showing a fastener with two claws, and FIG. 8 is a perspective view showing a fastener with three claws. FIG. In the figure, 3 is a display section, 11 is a printed board unit, 12 is a display panel, 13 is a display unit, 14 is a cover, 15, 19, 20 are fasteners, 15a, 19a, 19b, 20a to 20c.
1 is a claw portion, and 16 and 17 are guides.

Claims (1)

[Claims] 1. The display unit includes a frame forming an opening surface, a display unit consisting of a printed board unit and a display panel, and a cover, and a guide is provided at the inner corner of the frame, and a guide is provided at the lower side. Fasteners are further provided at the corners, the upper guide has a groove into which one side of the printed board unit is inserted and the contact surface of the display panel, and the lower guide has a groove that supports the back side of the printed board unit. A fastener made of an elastic body is formed with a notch and a contact surface of the display panel, and is provided close to the lower guide. A box-shaped frame whose bottom surface is made of a transparent plate and has a number of claws corresponding to the number of printed circuit board units to be pressed in order to press the printed circuit board units into the notch of the guide. A display device characterized in that the cover has a protrusion that presses the surface of the display panel toward the guide side, and the peripheral side surface of the frame is fitted into the box-shaped side surface portion.