KR790001246B1 - Electronic vending machine that can combine electronic calculator - Google Patents

Abstract

An electronic purchase recorder for combined use as an electronic calculator without printing a receipt, consisted of a keyboard(6), control switches, a first memory device(12) a central calculating device(11), an intermediate memory device(13), a standard memory device(14), an automatic display control circuit(15), and a display tube(4).

Description

Electronic vending machine that can combine electronic calculator

1 is an electronic sales recorder that can also use an electronic calculator according to the present invention.

2 is a circuit diagram of a calculation operation according to the present invention.

3 is a detailed circuit embodiment diagram according to the present invention.

The present invention relates to an electronic sales recorder that can be used as a calculator without receipt printing when a separate calculation is required by using a calculation device for calculating various kinds of sales records in an electronic sales recorder. The function of the sales recorder is not only the function of calculating and issuing a receipt at every transaction, but also the function of adding up and printing the sales amount, including a device that continuously checks or calculates sales records by various product types. Its purpose is to make this work smoothly and effectively.

In the sales recorder, there are various summation functions such as the sum of each item, the number of products, the sum of foreign sales, and the sum of the tax, and so the calculation device is configured for this. In addition, a separate calculation that is not related to the sales recorder has a drawback of using an electronic calculator or an abacus.

The present invention is very useful to improve these drawbacks to be able to perform a separate calculation using a calculation device built into the sales recorder without using a separate calculator or abacus.

When the corresponding number key or function key is pressed on the keyboard of the sales recorder according to the present invention, the calculation process and the result are shown on the display, and during the calculation, the printer does not print and distinguishes the general function and the calculation function of the sales recorder. Therefore, its use is versatile and simple, so it can be used very conveniently in the shop.

In the present invention, the structure and apparatus of the sales recorder will be described in detail with reference to FIG. 1. The control and driving apparatus 1 corresponds to the central processing unit of the computer and the driving circuit thereof, and the printer 2 and the display 4 respectively. Corresponding to the output device of the computer and keyboard 6 can be seen to correspond to the input device of the computer. In the drawing, reference numeral 3 denotes a cash collector and 5 denotes a stabilization power supply circuit.

Therefore, when a certain type of input is injected through the keyboard 6, the command and data according to the input are processed in the control and driving device 1, and the result (output) according to the input to the printer 2 or the display 4 is output. Indicates.

Due to such a technical configuration, it is possible to add or subtract the amount of money according to the sale of goods in a store, multiply, remember the sales price for inventory and book management, or issue a credit card for a customer. These functions are all performed according to the key operation of the keyboard 6, and by the input of the key, the control and driving circuit 1 determines the function of the input key and executes the corresponding command. Since the operation process and the result according to the execution of the command can be confirmed by the display 4 and also printed by the printer 2, the contents checked in the display 4 and the output printed in the printer 2 are the same and accordingly The cash setter 3 is automatically opened and closed to perform the function of the overall sales recorder.

In the sales recorder according to the present invention, only the control and driving circuit 1, the display 4, and the keyboard 6 of the sales recorder are switched to the adjustment switch, and the operation of the printer is stopped by switching the adjustment switch. It just performs and displays the result on the display 4.

The invention consists of a control and drive device (1), a printer (2), a display (4), a keyboard (6), a stabilizing power supply circuit (5), and a cash assembly (3). A signal is applied to the read memory device 12 in the control and driving device 1 to perform a calculation according to the key operation on the keyboard 6 in the central computing device 11, and the central computing device 11 During the calculation operation, the calculation process according to the operation of the keyboard 6 and its intermediate result are applied to the display storage device 14 via the intermediate storage device 13 to assist the calculation of the central computing device 11, The present invention relates to a sales recorder configured to display the result of the calculation on the display 4 via the automatic display control circuit 15 so that the calculation result can be used as a calculator that can perform a normal operation separately. Next, the operation state of the sales recorder according to the present invention will be described in detail with reference to FIG.

First, when the adjustment switch on the keyboard 6 is placed in the inspection of normal, check, return, stop, and preset, an operation signal (binary code) is generated from the control switch and enters the read memory 12, and accordingly, the central operation is performed. The device 11 enters into an operation ready state and the present assembly 3 and the printer 2 are once blocked. So far, the sales recorder becomes a simple electronic calculator and the printing of the receipt is stopped.

와 숫자키

를 필요한 계산에 따라 누르면 중앙연산장치(11)는 중간 및 그 결과 과정을 자동디스플레이 제어회로(15)를 거쳐 디스플레이(4)에 나타내면서 계산을 계속한다.Next, operation keys arranged in the keyboard 6

And numeric keys

Pressing according to the required calculation, the central computing device 11 continues the calculation while showing the intermediate and the resultant process on the display 4 via the automatic display control circuit 15.

At the same time, the intermediate memory device 13 stores arithmetic codes or numbers inputted from the keyboard 6 to store the intermediate results in the standard memory device 14 or to store the calculation process while the central computing device 11 operates. It plays a role of helping the arithmetic operation with the central computing device (11).

나 또는 그 대신에 사용되는 별도의 키

등을 누르면 계산결과가 디스플레이(4)상에 나타나게 된다.Equal sign at the end of calculation

A separate key used for me or instead

Pressing the key causes the calculation result to appear on the display 4.

의 계산기능을 하게되고, 그 계산예를 키조작, 영수증 프린터, 디스플레이만으로 설명하면 다음과 되다.This configuration of the electronic calculator

The calculation function will be described, and the calculation example will be explained only by key operation, receipt printer, and display.

으로 누른뒤 연산부호키

를 누루고, 다음에 숫자키

를 누른후 종결키

를 누르면 그 계산결과가 디스플레이(4)에 나타난다.The first digit

Press the cursor key

Press and then the numeric keys

Press and the end key

When is pressed, the calculation result is shown on the display 4.

Key operation display receipt

20 인자하지않음Numeric keys

20 Not Printed

20Operation Key

20

30Numeric keys

30

50Operation Key

50

를 누르고 그 다음 계산에는 숫자키만 누르므로서 연속계산이 가능하다.

계산은 통상의 판매기록기의 키보드상의 키중 하나를 선택하여

연산보호키로 사용하고 독출기억장치(12)를 하나더 제어 및 구동장치(1)내에 추가 시키므로서 해결할수 있다.In addition, the sales recorder according to the present invention is the operation key only at the beginning when the same calculation successively

You can do continuous calculation by pressing and pressing the numeric keys for the next calculation.

The calculation is made by selecting one of the keys on the keyboard of a normal sales recorder.

This can be solved by using an operation protection key and adding another read memory device 12 to the control and drive device 1.

, 4, 308ROM 1은 중앙연산장치(11)를 구성하고 4, 308ROM2, 3는 독출기억장치(12)를 구성하며 키보드(6)은 조정스위치와 연산키를 포함한다. 중간기억장치(13)은 4, 265로 구성되고 표준기억장치(14)는 5, 101L-32개로 구성된다. 디스플레이제어화로(15)는 4, 269, 8, 897, 8, 887로 구성된다.The present invention will be described in more detail in accordance with the embodiment of FIG. 3, where 4 (040CPU, 4, 368ROM in FIG. 3).

, 4, 308 ROM 1 constitutes a central computing unit 11, 4, 308 ROM 2, 3 constitutes a read memory device 12, and the keyboard 6 includes an adjustment switch and an operation key. The intermediate memory device 13 is composed of 4 and 265, and the standard memory device 14 is composed of 5 and 101L-32. The display control furnace 15 is composed of 4, 269, 8, 897, 8, and 887.

에서 읽어내고 데이터버스 D₀, D₁, D₂, D₃를 거쳐 중앙 연산장치(11)의 CPU 4, 040에 들어가서 연산작동준비상태에 들어가게되어 현금설합(3)과 프린터(2)는 일단 차단상태가 된다.As described above, when the adjustment switch on the keyboard (6) is placed in the inspection, an operation signal is generated from the adjustment switch, so that the pin I / O 3- of 308 ROM 2 3-

After reading from the data bus D ₀ , D ₁ , D ₂ , and D ₃ , the CPU 4, 040 of the central processing unit 11 enters the operation ready state. The cash setter 3 and the printer 2 It becomes a blocking state.

~I/O 3-1의 10가지핀을 거쳐 시간적으로 구분되는 각각 다른 신호가 나가 키보드 메트릭스에서 어떤키가 눌러졌을 때만 한하여 복귀선을 통해 4, 308ROM2에 핀 I/01

~I/O1-3에 입력신호에 변화를 가져오게 된다.The sales recorder thus becomes a calculator that performs only simple calculation functions. Next, when a command is applied from the CPU 4, 040 of the central processing unit 11 to the read memory control section 4, 308 ROM 3 for input detection on the keyboard 6, the I / O 1-

Through the 10 pins of ~ I / O 3-1, different signals are separated in time and pin I / 01 to 308 ROM2 via the return line only when a key is pressed in the keyboard matrix.

Changes are made to the input signal at ~ I / O1-3.

When 4, 308 ROM2 and ROM3 of the read memory device 12 detect that the key is pressed, the key is divided into arithmetic keys and numeric keys, and then calculation is performed. The CPUs 4 and 040 of the central computing unit 11 display the intermediate and the calculation result process on the control parts 4 and 269 through the data bus when performing the calculations, and 4 and 269 display signals necessary for the display, respectively. , 8, 897 to display 4. At the same time, the intermediate storage devices 13, 4 and 265 store the operation codes or numbers inputted from the keyboard 6 and 5101L-3 of the standard storage device 14 while the CPUs 4 and 040 of the central computing device 11 operate. The intermediate result is stored in the memory or the arithmetic process is stored in the central computing unit 11 to serve the CPU4040 operation.

Therefore, the electronic calculator combined sales recorder according to the present invention is useful to be able to perform both functions of the sales recorder and the electronic calculator according to the adjustment switch switching.

Claims (1)

Control switch on the keyboard 6 in an electronic vending machine consisting of a control and driving device 1, a printer 2, a display 4, a keyboard 6, a stabilized power supply circuit 5 and a cash setter 3, and the like. A signal is applied to the read memory device 12 in the control and driving device 1 to operate a key operation on the keyboard 6 in the central computing device 11, and the central computing device 11 ) Assists the operation of the central computing device 11 by applying the calculation process according to the operation of the keyboard 6 and its intermediate result to the standard memory device 14 via the intermediate memory device 13 during the calculation operation. The result of the calculation is displayed on the display 4 via the automatic display control circuit 15. An electronic sales recorder that can be used as an electronic calculator to perform common calculations separately.

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