KR840000050B1 - Charge countering device - Google Patents

Abstract

The change calculation system for an electronic cash register comprises a number of keys for indicating monetary units, and a device for storing the purchasing amounts of sales to a customer. A calculating arrangement substracts from the unitary data of the monetary unit corresponding to the key actuated the data below the unitary data of the monetary unit in the stored purchasing amount. Thus, when calcutary unit in the stored purchasing amount. Thus, when calculating change, the operator merely actuates the key corresponding to the unitary data of the monetary unit of the money received from a customer, without inputting the purchasing amount of the received money.

Description

Change machine

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

2 is a diagram showing the relationship between the key operation and the calculation contents for explaining the schematic operation of the present invention.

3 and 4 are circuit configuration diagrams showing details of the change control unit and the calculation unit in the control circuit in FIG.

* Explanation of symbols for main parts of the drawings

11a-11h: Unit place 12, 18, 20: Decor order

14, 15, 16, 17, 22a-22d: Delaid Flip-Flops

The present invention relates to a change device for calculating change for the amount received from the customer.

Generally, in the cash register or the like, after the sales input processing for the customer is finished, that is, after the calculation of the sales total data is completed, the received amount received from the customer is inputted by the operation of the key, and the received amount of money data and The change amount data is calculated from the above-mentioned sales total data.

For example, if the total amount of sales is [123202] and the amount is [150000 won], first, the key is operated in the order of 1.5.0.0.00.0.0 to enter the total amount of the data. After that, the operation key for giving the start instruction of the change calculation is operated.

According to the operation of the operation key, as an associating device inside the cache register, an arithmetic processing is performed to subtract the total sales data from the received receipt amount data to calculate the change.

In the change calculation device of the form of inputting the received amount data as a key as described above, not only the entire amount of the received amount of data has to be input, but also a troublesome operation of the key and a long calculation time.

The present invention has been made in view of the above-described object, and an object thereof is to provide a change device for facilitating the input of a received amount and a change of change, and for the purpose thereof.

Referring to the embodiment of the present invention according to the drawings as follows.

1 shows the overall schematic configuration in the case where the cache register is implemented.

In FIG. 1, (1) is a key board, for example, a key group for each part that designates each section of a merchandise, an operation key, a cree key, an amount key, a person responsible key, a% key, and a key of a pull type. And a variety of keys, such as a plurality of unit indicators for indicating monetary units of money.

Then, the data input by the key operation of the key board 1 is sent to the control circuit 2.

The control circuit 2 is connected to a storage device 3 that stores, for example, preset data, various sales data, and the like, and arithmetic processing in the control circuit 2 by input from the key board 1. The calculation result is sent to the storage device 3 and stored.

In addition, the input data from the key board 1 and the calculation result in the control circuit 2 are sent from the control circuit 2 to the display unit 4 for display, and at the same time, are sent to the printer 5 to be photographed.

The drawer dispenser 6 in which the money is stored is controlled by the control signal from the control circuit 2 again.

In addition, 7 is a power supply part, and operation power is supplied from this power supply part 7 to each said part.

The power supply unit 7 and the control circuit 2 are controlled by the key lock unit 8 to control the operation.

That is, when the key is not inserted, the key is locked and the power supply unit 7 and the control circuit 2 are in an inoperative state, but when a predetermined key is inserted, the key lock is released, and the power supply unit 7 is operated. At the same time as supplying power, the control circuit 2 is made operable, and the operation is started by input data from the key board 1.

Further, the memory device 3 is supplied with power even in the key lock state, so that the contents of the memory device 3 are protected and maintained.

Thus, the present invention corresponds to the unit indicating key corresponding to the money type of the minimum currency unit of the amount received from the customer among the plurality of unit indicators installed on the key board 1 to display the currency unit at the time of change change. It is possible to obtain change by subtracting the data below the unit amount of the sales amount from the unit amount.

For example, as shown in Fig. 2, when the total sales amount is “123202” and the amount received is 200,000 won, the unit for the [100,000 won] is manipulated to calculate the change of [100,000-23202 = 76,798]. .

If the amount received is 150,000 won, a change of [50,000-23202 = 26,798 won] is calculated by manipulating the unit for 50,000 won.

In the same way, if the amount of payment is [130,000 won], the unit will be equivalent to 10,000 won; if it is [123,300 won], the unit will correspond to 100 won; if it is [123,250], it will correspond to 50 won. In the case of the unit supporter, [123,210 won], the unit supporter (123,205 won) corresponding to 10 won is operated to operate the keys corresponding to 5 won respectively to calculate the change indicated in Article 2.

Next, the configuration of the change control unit in the control circuit 2 that performs the change calculation as described above will be described.

In FIG. 3, 11a-11h are unit-directed keys installed in the key board 1, respectively, "100,000", "50,000 won", "10,000 won", "500 won", "100 won" and "50 won" Corresponding to the unit amount of "10 won" or "5 won".

The operation outputs of the unit units 11a-11h are input to the decoder 12, respectively, and to the delay flip-flop 14 via the OR circuit 13.

The output of the flip-flop 14 is again input to the delayed flip-flop 15.

The flip-flops 14 and 15 set input data in synchronization with the timing signal we output at the final timing of one time time. The output of the flip-flop 14 is directly input to one of the input circuits of the end circuit 16. In addition, the output of the flip-flop 15 is applied to the other input terminal of the end circuit 16 via the inverter 17, and the flip-flop 14, 15, the end circuit 16, the inverter. The coupling of the adapter 17 is a so-called short circuit by obtaining one timing signal wp 1 having a time width of 1 hour time regardless of the time width of the input signal when a signal is input from the OR circuit 13. This timing signal wp 1 is output from the AND circuit 16.

In addition, the output signal of the AND circuit 16 is applied to the decoder 18 and is output as the timing signal wp 2 which is one hour later than wp 1 via the delay circuit 19 of one time time. .

Thus the decor order 12, the unit support sikiyi decor orders 20 in response to the operation of the output 11a-11h are, as being the digit signals D ₁ -D ₆ input to the input terminal, digital When the incoming call is assigned D ₆ to the output line, when the the D ₁ digit signal D outputted to the time of ₅ is given line D _2, D _3, the digit signal D outputted to the time ₄ the given line D _4, the digit signal D ₃ assigned output line D _5, D ₆ is "1" signal is output to the output lines D _7, D _8, when the digit signal D ₂ is assigned, and when the signal D ₁ to the given output line D _9.

The decoder 12 selects the output lines D ₁ -D ₉ of the decoder 20 in accordance with the operation signals in the units 11a-11h and the decoder signals D ₁ -D ₆ as the decoder 18. Ship to

That is, the decoder 12 can operate the output line D ₁ when the unit stop 11a is operated, and the output line D ₂ when the unit stop 11a is operated. Each of the output lines D ₃ is manipulated by the output line D ₅ when the unit base 11D is operated, and when the unit supports 11e are operated, the output line D ₆ is operated by the unit base 11f. It is the output line D _7, the unit support sikiyi (11g) that when the operation when the D _8, the unit support sikiyi (11h) is operated is the output line D _9, selection, the digit signals D _1, respectively when the - Alternatively, D ₆ is supplied to the decoder 18.

The output line D ₄ exemplarily shows the correspondence with the unit grounds not shown.

Thus, when the timing signal wp 1 is applied to the AND circuit 16, the decoder 18 receives the output line 18a from the signal at the decoder 12 at a timing of D ₂ -D ₆ at the timing of the output line 18a. A 1 " signal is output, and a " 1 " signal is output to the output line 18b at the timing of D ₁ -D ₅ .

That is, when the timing signal wp 1 is given, the decoder 18 performs operations D ₆ , D ₅ , D ₃ , for operation of the unit units 11a, 11c, 11e, and 11g, respectively. The signal "1" is output to the output line 18a at the timing of D ₂ , and the operations of the unit stops 11b, 11d, 11f, and 11h are respectively D ₅ , D ₃ , and D. _2, and outputs a "1" signal at the timing the output line (18b) with the D _1.

The signal output from the output line 18a of the decoder 18 is input to the AND circuit 25a simultaneously with the code signal [1] of [1], and the signal output from the output line 18b is [5]. ] (4 bits represented by [0101]) is input to the AND circuit 25b together with a code signal.

The output signals of these AND circuits 25a and 25b are taken out through the OR circuit 26, and are sent to the calculation unit of FIG. 4 as unit price data.

On the other hand, the operation outputs of the unit operations 11a-11h input to the decoder 12 are input to the decoder flip-flops 22a-22e which operate in synchronization with the timing signal wp2.

That is, the operation output of the unit support 11a input to the input line 12a of the decoder 12 and the operation output of the unit support 11b input to the input line 12b are the OR circuits 21a. The unit output 11d inputted to the flip-flop 22a, the input line 12c, and the input unit 12c directly to the flip-flop 22b, and inputted to the input line 12d via the input line 12d. Operation output of the unit support 11c inputted to the input line 12e and the operation output of the unit support 11f inputted to the input line 12f are directly inputted to the flip-flop 22c. The operation output of the unit support 11g input to the input line 12g and the operation output of the unit support 11h input to the input line 12h are input to the flip-flop 22d via the circuit 21b. It is input to the flip-flop 22e via the circuit 21c.

Thus, the signals set in these flip-flops 22a-22e are applied to the end circuits 23a-23e, respectively.

In addition, AND circuit (23a), the signal D, the digit digit signals D ₁ -D _5, AND circuit (23b), the digit signals D ₁ -D _4, AND circuit 23e, the digit signals D ₁ -D _3, AND circuit (23d) _The digit signal D ₁ is input to the _1- D ₂ and end circuit 23e.

The outputs of these AND circuits 23a-23e are output via the OR circuit 24 and sent to the gate signal B to the calculation unit shown in FIG.

In Fig. 4, 31 denotes an X register which also serves as a display register, and the unit price data A and sales data described above are input to the X register 31 via the gate circuit 32 controlled by the timing signal WP1. .

The output of the X register 31 is sent to the display section 4 and is displayed again at the same time through the gate circuit 34 and the gate circuit 32 controlled by the timing signal WP 2.

In addition, the output of the X register 31 is sent to the adder circuit 36 via the gate circuit 35 controlled by the timing signal WP 2, and the gate circuit 37 controlled by the timing signal WP 1. ) Is transmitted to the Y register 38.

The data set in the Y register 38 is circulated and maintained through the gate circuit 37 and controlled by the gate signal B output from the OR circuit 24 in FIG. It is sent to the adder circuit 36 via.

The adder circuit 36 performs the addition or subtraction operation in accordance with the addition and subtraction instructions given by the control unit, and the calculation result is sent to the X register 31 via the gate circuits 34 and 32.

In addition, in Fig. 4, the configuration of the change calculation part is shown, and the general calculation system is omitted.

Next, the operation of the present invention configured as described above will be described.

When the operator performs the selling process by the key operation of the key board 1, the selling sum is set in the X register 31 shown in FIG. 4 and displayed on the display unit 4.

Thus, when the change of the amount of payment received from the customer is calculated after the end of the sales processing, any one of the units 11a 11h is operated according to the kind of money to the minimum amount of the received amount.

For example, as shown in FIG. 2, when the total amount of the purchase amount is "123202 won" and the received amount is [200,000 won], the minimum unit amount of the received amount is [100,000 won]. The corresponding unit support 11a is operated.

When the unit pointer 11a is operated, the " 1 " signal is first output from the OR circuit 13 so that the flip-flop 14 is set in synchronization with the timing signal we.

At this point, the output of the inverter 17 becomes "0" at the time when the "1" signal is output from the AND circuit 16 and the "1" signal is read to the flip-flop 15 by the next timing signal. The gate of the AND circuit 16 is closed.

As a result, the timing circuit WP 1 having the time width of one word time is output from the AND circuit 16.

At this time, the operation output of the unit ground 11a is supplied to the decor order 12, and since the "1" signal exists only in the input line 12a, the decor order 12 outputs the dessert signal output from the decor order 20. D ₁ -D supplies only D ₆ out of ₆ in order decor (18).

Therefore, when the timing signal WP 1 is output from the AND circuit 16, a "1" signal is output from the output line 18a of the decoder 18 at the timing of the dessert signal D ₆ to open the gate of the AND circuit 25a. do.

For this reason, the digital value "cord signal of the four feet of expressing 1 [0001 [The output at the timing of the D ₆ from the AND circuit (25a) via a the OR circuit 26 is sent to the fourth-degree gate circuit 32.

In addition, since the timing signal WP 1 is applied to the gate circuit 32 and the gate circuit 37 as the gate power control signal, the total amount of sales [123202] described in the X register 31 is applied to the gate circuit 37. At the same time as being transmitted to the Y register 38, the output signal A of the OR circuit 26, that is, the unit price data is set in the X register 31 via the gate circuit 32.

In this case, since the code signal is output at the timing of D ₆ in the OR circuit 26, "1" is set in the sixth digit of the X register 31, and the contents of the other digits are zero.

In other words, the unit amount data [100000] is set in the X register 31.

In addition, the operation output of the unit supporter 11a output to the input line 12a of the decoder 12 is taken out through the OR circuit 21a and registered in the timing signal WP 2 and read out to the flip-flop 22a. do.

As a result, the output of the flip-flop 22a becomes " 1 " so that the gates of the AND circuit 23a are opened, and the digit signals D ₁ -D ₅ are outputted from the AND circuit 23a to interpose the OR circuit 24. Is sent to the gate circuit 39.

Therefore, while the gate circuit 39 is provided with the digit signals D ₁ -D ₅ , the contents of the first to fourth digits of the total amount of sales [123202] stored in the Y register 38 by opening the gate are stored. Only [23202] is taken out and supplied to the ad circuit 36.

On the other hand, the unit price data [100000] input to the X register 31 is input to the adder circuit 36 via the gate circuit 35 by the timing signal WP2.

In this case, since a subtraction command is given to the adder circuit 36 by the control unit, the adder circuit 36 subtracts the value [23202] of the fifth digit or less of the total sales amount from the input unit amount data [100000], and [100000]. 23202 = 76798].

The result of subtraction in the adder circuit 36 is set in the X register 31 via the gate circuits 34 and 32 and displayed as change in the display section 4.

If the amount of money received is [150,000 won], the unit money 11b corresponding to [50,000] is operated because the amount of the first money type unit of the amount received is [50000 won].

To operate the unit support 11b, first, the timing signal WP 1 having a time width of one word time is output from the AND circuit 16 in the same manner as when the unit support 11a is operated.

At this time, since the decoder 12 has an operation output of the unit indicator 12b, the decoder 12 sends only D ₅ out of the digit signals D ₁ -D ₆ output from the decoder 20 to the decoder 18. Supply.

Therefore, when the timing signal WP 1 is output from the AND circuit 16, a "1" signal is output from the output line 18b of the decoder 18 at the timing of the digit signal D ₅ to open the gate of the AND circuit 25b. Therefore, a four-bit code signal for displaying the number [5] at the timing of D ₅ is output from the AND circuit 25b and sent to the gate circuit 32 of FIG. 4 via the OR circuit 26.

The timing signal WP 1 is given to the gate circuit 32 and the gate circuit 37 in the same manner as in the case of operating the unit pointer 11a, so that the total sales data [123202] stored in the register 31 is Y. A code signal [0101], which is transmitted to the register 38 and indicates the output signal A of the OR circuit 26, that is, [5], is set in the x register 31.

In this case, the cord signal [0101] is [5] is set to the fifth position of D ₅ timing output doemeuro X register 31 at the OR circuit 26, the contents of the other seat is to [0].

In other words, the unit amount data 50000 is set in the X register 31.

On the other hand, the operation output of the unit support 11b outputted to the input line 12b of the decoder 12 passes through the OR circuit 21a in the same manner as the operation output when the unit support 11a is operated. It is taken out and registered in the timing signal WP2 and read out by the flip-flop 22a.

As a result, the digit signals D ₁ -D ₅ are output from the end circuit 23a and are sent to the gate circuit 39 via the OR circuit 24.

Therefore, the gate circuit 39 opens the gate while the digit signals D ₁ -D ₅ are applied, and thus the contents of the first to fifth digits of the total sales data [123202] stored in the Y register 38 [23202]. By taking out the bay, the ad circuit 36 subtracts the following value [23202] of the fifth digit of the total sales data from the unit price data [50000] to obtain a result of [500000]-[23202] = [26798].

The subtraction result [26798] in the adder circuit 36 is set to the X register 31 via the gate circuits 34 and 32 in the same process as the operation of the unit support 11a, and the display section 4 Is indicated as a change in.

In the case of the other receipt amounts shown in FIG. 2 and the receipt amounts not shown, the change calculation is performed in the same process.

The end circuit 25a is designated by the output line 18a of the decoder 18, so that the unit for the "100000,", "10000", "1000", "100", and "10" in the AND circuit 25a. When the amount of money data is output and the unit operations 11b, 11d, 11f, and 11h are operated, the end circuit 25b is designated by the output line 18a of the decoder 18. Then, unit price data for " 50000 ", " 500 ", " 50 ", and " 5 " is output from the end circuit 25b and set in the X register 37. FIG.

In addition, the end circuit 23 is designated by the decoder 12 for the operation of the unit stops 11a and 11b, and the digit signals D ₁ -D ₅ are sent to the gate circuit 39, so that the total amount of purchase Only the fifth digit or less of the value is taken out to the register 38 and sent to the adder circuit 36 as subtracted data.

Again, the end circuit is designated for the operation of the unit support 11c, and the digit circuit D ₁ -D ₄ specifies the value of the fourth digit or less of the total amount of the purchase amount, and the operation of the unit support 11d for the operation of the unit support 11d. 23c) is specified, and the end circuit 23d is designated for the operation of the unit digits 11e and 11f of the value of the third total of the total amount of sales by the digit signals D ₁ -D ₃ , and the operation of the digit signal D. _For the operation of the value of the second digit of the total sales amount, 1G, 11g, and 11h by _1- D ₂ , the AND circuit 23e is designated, and the first total of the sales amount is determined by the digit signal D ₁ . The digit value is read from the Y register 38 to the adder circuit 36 to subtract the unit price data.

Thus, the result of subtraction of the adder circuit 36 is displayed as change data in the display section 4.

Thus, in the present invention, when calculating the change, it is sufficient to operate the unit unit of the monetary unit for the type of money which is the minimum amount of the receivable without having to input the full amount of the receivable. Not only is it very simple, but it is also made for the unit amount in the calculation of change, so that if the calculation process becomes simple, it can be quickly processed.

In the above embodiment, the unit supports 11a-11h are set up independently, but for example, it is a new utility that may also be used as an operation key.

Claims (1)

Unit value data for creating a corresponding unit value data by operating the total value storage means 38 for storing the total value of the sales amount, a plurality of unit indicators 11a-11h for indicating a monetary unit, and operation of this unit indicator. Reading means (21 24, 39) for reading only the data of the digits of the sum or less of the unit value data from the creation means (12, 18, 25, 26) and the above-described total value storing means; And subtraction means (36) for subtracting the data read by the reading means.

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