KR920005344B1 - Method and system for cash register with multiple function - Google Patents

Abstract

The cash registration system with multi-function includes a CPU (11) for extracting and executing the order, a memory (13,14) for recording the data and program, a keyboard (15) coupled to the CPU through the input/output port, a micro computer (10) having the memory decoder (12) located between the CPU and memory, a decoder means (20) for assigning the display address number connected to the micro computer and outputing the inputted character data, a video RAM (30) for temporarily storing the address inputted from decoder means and outputting the character data of fixed address in turn, a counter means (40) for generating the control signal according to the input address.

Description

Multifunction cash register method and system

1 is a block diagram schematically showing the overall configuration of the present invention.

2 is a schematic diagram of a microcomputer of the present invention.

3 is a block diagram of a decoder unit and a video RAM of the present invention.

4 is a block diagram of the counter of the present invention.

5 is a configuration diagram of the line driver unit of the present invention.

6 is a block diagram of a display decoder unit of the present invention.

7 is a block diagram of a display unit of the present invention.

8 is a flowchart illustrating the system operation of the present invention.

* Explanation of symbols for main parts of the drawings

10 microcomputer 20 decoder section

30: video RAM 40: counter

50: line driver section 60: display decoder section

70: display unit 11: CPU

12: memory decoder 13: ROM

14: RAM 15: keyboard

16: oscillator 21, 24: chip select decoder

22: address designation decoder 23: chip number decoder

41, 42, 43: binary counter 44: counter driver

51 chip decoder 52a to 55a flip-flop circuit

52b to 55b: buffer 61: chip selection decoder

62: segment decoder 7a: 7 segment stage

7b: light emitting diode stage

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cash register, and more particularly, to a multi-function cash register method and system having an effective analysis function and having a comprehensive analysis function for each of a plurality of separate tables or tables such as coffee shops and restaurants.

In the prior art, a slip was prepared and stored on a sales plate divided by a table or a table at that time, and then the amount was calculated using a desktop electronic calculator or an abacus. In addition, the existing money round is an arithmetic calculation of the numerical values input by the administrator artificially and output to the printing device, which does not exceed the scope of the calculator, and there is no function for calculating the daily and monthly sales for each item. Alternatively, the person who was in charge of this could not manage the sales for each table, or had to remember the calculations using the above sales plate, and the cash register itself had a large and uneconomical problem.

The present invention has been made to solve the above problems, and its object is to provide a multi-function cash register system having a simple configuration, small size, low cost, and various business management and analysis functions.

It is another object of the present invention to provide a method for effectively managing and analyzing sales using the system of the present invention.

In order to achieve the above object, the present invention is composed of a CPU that performs the extraction and execution of instructions, a memory for storing programs and data, and a keyboard connected to the CPU through an input / output port. A microcomputer added to the microcomputer, a decoder means connected to the microcomputer to designate a display address address of a display unit and a video RAM address, and to output input numeric (character) data; Aaess Memory) is connected to the video RAM, the microcomputer and the decoder means to temporarily store the address input from the decoder means and sequentially output the character data of the address, and count using a clock pulse from the microcomputer. Control signal according to the input address A line driver means connected to the counter means, the video RAM and the decoder means to output data inputted from the means through a line driver selected under the control of the counter means, and a segment decoder selected to be connected to the counter means. And a display decoder means for activating a segment of the corresponding address designated by the decoder means, and a display means connected to the line driver means and the display decoder means to emit the corresponding elements according to the selection of the two means. And a microcomputer, a decoder means and a counter means connected to the microcomputer, a video RAM connected to the decoder means, a line driver means connected to the decoder means and a video RAM and controlled by the counter means. A money registration method using a money registration system comprising a display decoder means connected to a counter means, and a display means, comprising: a first step of initial setting after turning on a power and registering data necessary for performing various functions , The second step of entering the corresponding table (seat) number, entering the order item and quantity, and the third step of entering the corresponding seat number for settlement and harmonizing the overall sales situation of the table (seat) Provides a multi-function money registration method that includes.

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

1 is a block diagram schematically showing the overall configuration of the present invention, in which 10 is a microcomputer, 20 is a decoder, 30 is a video RAM, 40 is a counter, 50 is a line driver, 60 is a display decoder, 70 represents a display unit, respectively.

The microcomputer 10 includes a central processing unit (hereinafter referred to as a 'CPU') for extracting and executing instructions, a memory for storing programs and data, and an input / output port which is a connection portion of an input / output device. To perform arithmetic functions and display control.

The decoder 20 is connected to the microcomputer 10 and inputs and decodes the output of the microcomputer to designate a display address, and controls the counter 40 to designate a chip selection address.

The video RAM 30 is composed of random access memory (RAM) connected to the decoder 20 and having two functions of read and write, and a display from the decoder 20. The address is entered and stored temporarily, and the character data of the address is sequentially output.

The counter 40 is connected to the microcomputer 10 and the decoder 20 to input and count clock pulses from the microcomputer, and inputs address data output from the decoder to provide a corresponding chip of the line driver 50. The decoder for selecting the control unit and the decoder for selecting the corresponding chip of the display decoder unit 60.

The line driver unit 50 is connected to the video RAM 30 and the counter unit 40 and applies output data of the video RAM to the display unit 70 through the line driver selected by the output of the counter unit.

The display decoder 60 is connected to the counter 40 to sequentially activate display segment segments of the corresponding address through a segment decoder selected by the output of the counter.

The display unit 70 is connected to the line driver unit 50 and the display decoder unit 60, and emits seven segments and a light emitting diode (LED) designated by the selection of the horizontal and vertical axes of the two units.

The present invention as described above is explained in more detail through the following FIGS.

2 is a block diagram showing a detailed configuration of a microcomputer among the components of the present invention, where 11 is a CPU, 12 is a memory decoder, 13 is a ROM, 14 is a RAM, 15 is a keyboard, and 16 generates a clock pulse. It is a novelty. The decoder 12 enables memory expansion, and the RAM 14 is connected with a back-up battery for preventing memory loss in case of power failure. In addition, a printer that prints output results can be additionally installed by using one output port.

3 is a block diagram showing a decoder unit of the present invention, where 21 is a chip select decoder, 22 is a address designation decoder, 23 is a numeric decoder, and 24 is a chip select decoder. The chip select decoder 21 decodes a signal input from the microcomputer unit 10 to enable the addressing decoder 22 and the numeric decoder 23 and to control the other chip select decoder 24. The two decoders 22 and 23 are selected, the video RAM 30 is controlled, and the counter 40 is controlled.

The address designation decoder 22 performs address designation of the video RAM 30 together with the address designation of each segment of the display unit 70.

The numeric decoder 23 performs a function of outputting numeric (character) data input from the microcomputer 10 to the line driver unit 50, and is composed of a latch circuit for temporarily storing 8-bit data.

The chip select decoder 24 controls the two decoders 22 and 23, the video RAM 30, and the counter 40 using 8-bit data input from the microcomputer under the control of the decoder 21. .

4 is a configuration diagram of the counter of the present invention, in which 41, 42, and 43 are binary counters, and 44 are counter drivers. The counter driver 44 is connected to the decoder unit 20 and the binary counter that is connected subordinately, and controls the line driver unit 50 and the display decoder 60.

5 is a block diagram of a line driver according to an embodiment of the present invention, wherein a chip selection decoder 51 for selecting one of four line drivers in accordance with a signal input from the counter unit 50, a decoder unit 20, and Allocates flip-flop circuits 52a to 55a for inputting data from the video RAM 30 and buffers 52b to 55b for effectively outputting the input data to the display unit 70 at each stage 52, 53, and 54. To configure. Therefore, the decoder 51 controls the horizontal axis of the display unit.

6 is a block diagram of a display decoder according to the present invention, which includes a chip select decoder 61 for selecting a corresponding chip among a plurality of segment decoders 62 according to a signal input from the counter unit 40, and the chip selector. It is composed of a plurality of segment decoders 62 connected to the decoder, and the decoder selected by the decoder 61 is made active low so that the segment of the corresponding address is sequentially selected. Accordingly, the decoder 61 controls the vertical axis of the display unit 70.

FIG. 7 is a view schematically showing the configuration of the display unit of the present invention, and includes a plurality of seven segments 7a and a plurality of light emitting diodes 7b, and each device includes a line driver unit 50 and a display decoder unit 60. FIG. Light is emitted only when selected simultaneously. In addition, the seven segment portion 7a outputs numbers (0 to 9) and letters (a to f) to display the quantity, stone number, etc. of the item, and the light emitting diode 7b portion is a table (or a seat). Display the status.

The overall operation of the present invention configured as described above can be described as follows.

The data input through the keyboard 15 is transferred to the chip select decoders 21 and 24 according to a program in which the CPU 11 selects each port by a ROM 13 containing a system program. ), The numeric decoder 23, and the counter driver 44 of the counter unit are selected, so that the addressing of each segment and the addressing of the video RAM are performed through the addressing decoder 22, Numeric (character) data is sent out through the decoder 23, and the chip select decoders 51 and 61 are decoded to the address designated by the addressing decoder 22 through the counter driver 44, respectively. The corresponding element of the display unit emits light by the output of the chip selected by the decoders 51 and 61 so as to be recognized by the user.

Referring to Fig. 8, the processing method of the present invention is as follows.

When the apparatus of the present invention is first installed, the initial setting (811) is performed after the power is turned on, and a price for the item is registered (812) according to the characteristics of the business.

In order to input the order after the above process, the customer first receives the order and inputs the corresponding table (seat) number (821). In this case, the LED of the corresponding table number is turned ON, and a separate seven segment for displaying a table number is turned ON (822). The order item and quantity are then entered (823). In this case, the quantity is displayed on the order segment 7 segments (824). In this way, when the order entry is completed (825), the order statement (per table) is printed.

At the time of inquiry for settlement, when the corresponding seat number is input (831), the seven segments for displaying the table number and the seven segments for displaying the item quantity are turned on. After the fee is settled (833), the operation is completed after printing the receipt and the statistical data (834).

The effects of the present invention as described above are as follows.

First, it is possible to grasp the whole table (seat) status at a glance.

Second, daily and monthly sales for individual items can be calculated.

Third, it can be managed for each table (seat).

Fourth, inventory management is possible.

As described above, the present invention is a very useful invention which greatly improves the economic efficiency by reducing effort and cost compared to the conventional case while having various functions.

Claims (2)

A memory decoder 12 comprising a CPU 11 for extracting and executing instructions, memories 13 and 14 for storing programs and data, and a keyboard 15 connected to the CPU via an input / output port. Is connected to the CPU 11 and the memory 13, 14, the microcomputer 10 is connected to the microcomputer to specify the display address address of the display unit and the address of the video RAM, and to output the input numeric (character) data. Decoder means 20, which is connected to the decoder means 20, consists of RAM (Random Aaess Memory) and temporarily stores the address input from the decoder means and sequentially outputs the character data of the address. Connected to the RAM 30, the microcomputer 10, and the decoder means 20, using a clock pulse from the microcomputer to count and control signals according to the input address. It is connected to the counter means 40 for outputting, the video RAM 30 and the decoder means 20, and the data input from the means 20, 30 through the line driver selected under the control of the counter means 40. A line driver means 50 for outputting a signal, a display decoder means 60 for activating a segment of a corresponding address designated by the decoder means 20 through a selected segment decoder connected to the counter means 40, and the line driver And a display means (70) connected to the means (50) and to the display decoder means (60) to emit the corresponding element according to the selection of the two means. Micro computer 10, decoder means 20 and counter means 40 connected to the micro computer, video RAM 30 connected to the decoder means, control of the counter means connected to the decoder means and video RAM A money registration method using a money registration system comprising a receiving line driver means (50), a display decoder means (60) connected to the counter means, and a display means (70); After the power is turned ON, initial setting is performed (811), and in the first step of registering data necessary for performing various functions (812), a corresponding table (seat) number is input (821), and an order item and quantity are input. And a third step of inputting the corresponding seat number for the settlement (831) and querying the overall sales situation of the table (seat) to settle (823).

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