JP2001273568A - Sales management device provided with currency conversion function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically convent an inputted amount of money to the equivalent amount money of a designated currency kind. SOLUTION: An ECR obtains the sales amount of money of commodities and receives a deposit amount of money corresponding to it and obtains a change amount of money as the difference between the deposit amount of money and the sales amount of money and pays the charge amount of money to perform sales/payment processing and performs register processing of sales data including sold commodities and the sales amount of money. Respective conversion rates between a reference currency kind of plural set currency kinds are stored in a currency conversion rate setting memory 25. An inputted currency kind and its amount before conversion are stored in a currency kind memory 22 and an amount storage memory 21. When a currency kind after conversion is designated, a first conversion rate between the reference currency kind and the currency kind before conversion and a second conversion rate between the reference currency kind and the designated currency kind after conversion are read out from the memory 25, and the amount of the currency kind before conversion is converted to the amount of money of the designated currency kind after conversion, and it is outputted by display.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a sales management device such as a POS (Point Of Sales) having a currency conversion function and an electronic cash register.

[0002]

2. Description of the Related Art Japanese Patent Laying-Open No. 5-189664 relates to a first prior art POS terminal with a currency unit conversion function. The terminal has a function of specifying a monetary unit, a function of converting a specified monetary unit and a yen unit, a function of converting a monetary unit, a correspondence table storing conversion rates for converting a monetary unit, and a conversion. The conversion unit has a conversion instruction function for instructing, and the currency unit conversion function converts the monetary unit and the yen designated by the monetary unit designation function according to the conversion instruction function according to the conversion rate in the correspondence table. In other words, the terminal enables payment or exchange of money in designated monetary units while managing sales at the point of sale.

[0003] Japanese Patent Laid-Open No. 5-217074 relates to a POS device as a second prior art. The apparatus has a built-in foreign currency conversion program for performing mutual conversion between foreign currency and Japanese yen, an exchange rate table storing exchange rates between foreign currency and Japanese yen, and specifying the type of foreign currency. A foreign currency key for operating a foreign currency conversion program.
The apparatus further includes a change calculation program for calculating a change amount, and a deposit key for inputting the received foreign currency amount. That is, when there is a request for a transaction in foreign currency, the device automatically converts the total amount into foreign currency and receives the corresponding foreign currency, and when there is change, automatically calculates the change amount. It automatically converts it into Japanese yen, displays the change amount in foreign currency and Japanese yen, and allows the customer to pay change in the currency of choice.

Further, Japanese Patent Laying-Open No. 6-203273 relates to a third prior art transaction processing apparatus. The apparatus includes a currency value storage unit that stores values of a plurality of currencies including a specific currency, a product registration unit that registers a price of a product in the specific currency, and a currency value storage unit that stores a price of a registered product in the currency value storage unit. Price display means for converting and displaying all stored currencies, payment specifying means for inputting the currency and amount of the price paid by the customer, and converting the currency and amount input by the payment specifying means into the specific currency A balance calculating means for subtracting from the price of the product, and a means for re-activating the payment designating means, when a balance is generated in the subtraction result of the balance calculating means, converting the balance into all currencies and displaying the same. Is provided. That is, the device is a device that enables a plurality of deposits by foreign currency at the time of payment by a customer.

[0005]

The first to third prior arts described above all convert one kind of domestic currency, yen, into foreign currency. Therefore, it is not possible to flexibly respond to a case where two new and old national currencies are temporarily circulated due to a currency revision by denomination or the like. Specifically, when there is a currency revision such as denomination, there are two types of local currencies, new and old, temporarily during the currency transition period. In addition, the exchange rate with foreign currency is announced only for one currency, for example, usually only for a new currency. Under such circumstances, the sales management device needs to handle both the new and old currencies, but in the prior art, when performing currency conversion with a foreign currency, one of the currencies is used as a reference, for example, in the sales management device. You can only convert between currencies and foreign currencies, and the other currency is calculated by calculating the amount of the base currency by hand using the conversion rate between the old and new currencies, and the amount of the calculation result is sales management It must be input to the device, which reduces the operation efficiency. This leads to poor customer service.

[0006] An object of the present invention is to provide a sales management apparatus having a currency conversion function capable of automatically converting an input currency type amount before conversion into a specified currency type amount from a plurality of amounts. It is to be.

[0007]

According to the present invention, a sales amount of a product is obtained, a deposit amount corresponding to the sales amount is deposited, a change amount which is a difference between the deposited deposit amount and the sales amount is determined, In the sales management device that withdraws the change amount and performs the payment processing of the sales, and performs the registration processing of the sales data including the sales product and the sales amount, sets each conversion rate for the reference currency type of the plurality of currency types. Conversion rate setting means, conversion rate storage means for storing each set conversion rate, currency type and amount input means for inputting the currency type before conversion and the amount thereof, In response to the designation of the currency type before conversion and the amount storage means for storing the currency type and the amount thereof, the currency type designation means for specifying the currency type after conversion, and the designation of the currency type after conversion by the designation means, Memorized exchange The first conversion rate for the reference currency type of the previous currency type and the second conversion rate for the reference currency type of the designated converted currency type are read from the conversion rate storage means, and the stored currency before conversion is stored. A conversion means for converting the amount of the seed into an amount of the specified converted currency type;
And a display output unit for displaying and outputting the conversion result by the conversion unit.

According to the present invention, when two kinds of old and new home currencies are temporarily circulated due to a currency revision by denomination, for example, the exchange rate with a foreign currency is one currency, for example, usually a new currency. , The sales management device of the present invention can handle both new and old currency types. That is, since the currency conversion is performed using the conversion rates of the plurality of currency types set and stored with respect to the reference currency type, the conversion between the one currency type and the foreign currency, which is the basis in the sales management device, and the other The conversion between the currency type and the foreign currency can be performed at the same time, and not only the conversion from the new currency to the foreign currency but also the conversion from the old currency to the foreign currency can be performed. Therefore, the conversion by the manual calculation for the old currency type becomes unnecessary, and the conversion result does not need to be input, so that these operations become unnecessary, and a decrease in the operation efficiency can be prevented. Thereby, high customer service can be provided.

The present invention is also characterized in that the sales management device includes receipt issuing means for issuing a receipt printed with sales data, and the receipt issuing means also issues a receipt printed with a conversion result. .

According to the present invention, it is possible to issue a receipt on which the result of conversion performed by the sales management device is printed. Therefore, a receipt on which the conversion result is printed can be issued not only when converting from a new currency to a foreign currency but also when converting from an old currency to a foreign currency. Therefore, high customer service can be provided.

Further, according to the present invention, the sales management device includes a sales amount and currency type storage means for storing the sales amount and its currency type, and a deposit amount currency type designation means for designating the currency type of the deposit amount. The conversion means, the sales amount and the currency type stored in the sales amount and currency type storage means as the amount and currency type before conversion, the currency of the deposit amount designated by the deposit amount currency type designation means Using the seed as the converted currency type, the amount of the converted currency type is obtained, and the payment processing of the sales is performed in the currency type of the deposit amount designated by the deposit amount currency type designation means.

According to the present invention, the payment processing of sales can be performed not only by converting a new currency into a foreign currency, but also by converting an old currency into a foreign currency. Therefore, high customer service can be provided.

Further, according to the present invention, the sales management device includes change amount and currency type storage means for storing the change amount and its currency type, and the conversion means is stored in the change amount and currency type storage means. The change amount and its currency type are the amount and currency type before conversion, and the currency type of the deposit amount designated by the deposit amount currency type designation means is the currency type after conversion. The change amount payment process is performed in the currency type of the deposit amount designated by the deposit amount currency type designation means.

According to the present invention, the payment processing of the sales can be performed not only by converting the new currency into a foreign currency, but also by converting the old currency into a foreign currency. It can be carried out. Therefore, high customer service can be provided.

Further, the present invention includes a conversion amount totalizing means for totalizing the amount before or after the conversion for each currency type, and a totaling report issuing means for issuing the totaling result by the conversion amount totalizing means as a totaling report. Features.

According to the present invention, foreign currency inflows and outflows caused by currency exchange and payment processing can be tabulated and managed in one day or a predetermined period, for example, and the management results can be issued as a tabulation report. The issued summary report can be used to help foreign currency inflows and outflows.

[0017]

FIG. 1 is a block diagram of an ECR (electronic cash register) 1 which is a sales management device according to an embodiment of the present invention. The ECR 1 includes a CPU (central processing unit) 2, a ROM (read only memory) 3, a RAM (random access memory) 4, a mode switch 5, a keyboard 6, a printer 7, a display unit 8, a drawer 9, and a buzzer 10. Be composed. For example, a CPU 2 realized by a microprocessor has an R
In accordance with a program for controlling various operations of the ECR 1 stored in the OM 3, the operations of the RAM 4, the printer 7, the display unit 8, the drawer 9 and the buzzer 10 connected to the CPU 2 are generally controlled. Various setting contents are stored in the RAM 4. The operation state of the ECR 1 is switched by the mode switch 5. From the keyboard 6, a department code and a price of a product are input. CPU from printer 7
The calculation result of No. 2 is printed and output on the receipt and the recording paper. The display unit 8 displays the calculation result of the CPU 2 and outputs it. Such a display unit 8 is realized by, for example, a liquid crystal display. The drawer 9 stores coins and bills. An operation error is reported from the buzzer 10.

FIG. 2 is a plan view showing the mode switch 5 and the keyboard 6 of the ECR 1. Mode switch 5
Denotes a key hole 20 into which a key possessed by an operator or the like is inserted.
Is provided. The operation state of the ECR 1 is switched by inserting a key into the key hole 20 and turning it to a predetermined position.
“Off” indicates a stopped state as an operation state of the ECR1,
“Setting” indicates an operating state of a program for setting and registering a department code, a product name, a unit price, and the like of a deal product to be handled. “Time” indicates a time operation state in which setting of the time can be changed, and “registration” indicates an operation state in which various types of registration including sales registration can be performed. "Management" indicates an operation state in which information necessary for management of the ECR1 is input / output, and "inspection / payment" indicates an operation state in which the sales of the ECR1 are tabulated on a daily or monthly basis to check or settle.

The keyboard 6 includes a numeric key 11, a department key 12, a first foreign currency key 13, a second foreign currency key 14, a foreign currency exchange key 15, a subtotal key 16, and a cash key 17. The numeric key 11 is used for numeric input. A plurality of section keys 12 are provided, and the section to which the product belongs is specified when the product is registered. First foreign currency key 13, second foreign currency key 1
4 and the foreign currency exchange key 15 are used when performing currency conversion. The subtotal key 16 is used when paying the customer and displaying the sales subtotal. The cash key 17 is used at the time of payment and registration of the customer. Note that the keyboard 6 may be provided with various function keys in addition to the keys 11 to 17. The decimal point key 18, the multiplication (x) key 19, and the subtotal key 16 included in the numerical key 11 are usually used when numerical values are numerically set and calculated. Sometimes used.

FIG. 3 is a diagram showing the RAM 4 of the ECR 1. The RAM 4 includes an amount storage memory 21, a currency type memory 22, a sales amount memory 23, a change amount memory 24, a currency conversion rate setting memory 25, a totaling memory 26 for each currency, and a totaling transaction memory 27. Amount storage memory 21
Stores the amounts before and after the currency conversion. The currency type memory 22 stores the currency type before conversion. The sales amount memory 23 stores the sales amount. The change amount memory 24 stores the change amount. The currency conversion rate setting memory 25 stores, for each currency type, each currency conversion rate Xn for a plurality of reference currency types. In the currency totaling memory 26, the total amount Yn of currencies deposited in currency for all transactions is stored for each currency type. The transaction total memory 27 stores information such as the total amount of money for various functions for all transactions.

FIG. 4 is a diagram showing various setting job flows relating to currency conversion of ECR1. FIG. 4A is a diagram showing a job flow for setting the currency conversion rate Xn. In setting the currency conversion rate Xn, first, a job number for setting a predetermined currency conversion rate is input from the numeric key 11, a decimal point key 18 and a multiplication (×) key 1.
By pressing 9 in this order, the input job number is determined. Next, the currency number is input from the numeric key 11 and the multiply (x) key 19 is pressed. Furthermore, the currency conversion rate X
n is input from the numeric key 11 and the subtotal key 16 is pressed. Finally, press the cash key 17 and press the currency conversion rate X
The setting of n ends. With such settings, the currency conversion rate Xn used in each currency conversion is input and set, and stored in the currency conversion rate setting memory 25.

FIG. 4B is a diagram showing a job flow for setting a currency type of a product unit price. In setting the currency type of the product unit price, first, the job number for setting the currency type of the predetermined product unit price is input from the numeric key 11, and the decimal point key 18 and the multiplication (×) key 19 are pressed and input. Determine the job number. Next, the currency number of the product unit price is input from the numeric key 11. Finally, the user presses the cash key 17 to end the setting of the currency type of the product unit price. With such a setting, the currency type used in a transaction operation such as product registration is input and set, and stored in the currency type memory 22.

FIG. 5 is a diagram showing a setting example of the currency conversion rate Xn stored in the currency conversion rate setting memory 25. Here, taking the case of yen denomination as an example, the base currency is “new yen”, the first foreign currency is “old yen”, and foreign currencies other than yen are “second foreign currency” and “third foreign currency”. 1 "New Yen" = 100 "Old Yen", 1 "New Yen" = 0.8 "Second Foreign Currency", 1 "New Yen" = 1.3
"Third foreign currency."

FIG. 6 is a diagram showing various operation flows relating to currency conversion of ECR1. FIG. 6A is a diagram showing an operation flow of currency exchange. In the currency exchange operation, first, the type of currency deposited by the customer is input from the numeric key 11 and the foreign currency exchange key 15 is pressed. Next, the user enters the amount before exchange, which is the amount deposited from the customer, from the numeric key 11,
The foreign currency key 13 or 14 corresponding to the currency type after exchange designated by the customer is pressed. As a result, the input amount is exchanged for the designated currency type, and the resulting exchange amount is displayed on the display unit 8 as shown in FIG. When the cash key 17 is pressed after confirming the displayed money amount after the exchange, the printer 7
A currency exchange receipt 31 shown in (A) is issued.

FIG. 6B is a diagram showing an operation flow of foreign currency deposit and change processing. In the operation of foreign currency deposit and change processing, the subtotal key 16 is pressed after product registration.
As a result, the sales subtotal in the reference currency is displayed on the display unit 8. Next, the foreign currency key 13 or 14 corresponding to the currency type of the payment designated by the customer is pressed. As a result, the sales amount is converted into the amount of the designated currency type, and the converted amount as a result is displayed on the display unit 8 as shown in FIG. Further, by inputting the amount of the currency deposited from the customer from the numeric key 11 and pressing the cash key 17, the foreign currency deposit processing is completed. Here, when the deposit amount is insufficient, the processing from pressing the foreign currency keys 13 and 14 is repeated. When an amount equal to or larger than the sales amount is deposited, a change calculation is performed, and the change as the calculation result is displayed on the display unit 8 as shown in FIG. next,
The foreign currency key 13 or 14 corresponding to the type of currency designated as change by the customer is pressed. As a result, the change amount is converted into the amount of the designated currency type, and the resulting converted amount is displayed on the display unit 8. When the cash key 17 is pressed after confirming the displayed converted amount, the printer 7 issues a foreign currency receipt 32 shown in FIG. 7B.

FIG. 7 is a plan view showing receipts 31 and 32 issued from the printer 7. FIG. 7A is a plan view showing the currency exchange receipt 31. FIG. The currency exchange receipt 31 includes a header section 33 including the transaction date and time, the amount 34 before exchange, the exchange rate 35 used for currency conversion, and the amount 36 after currency exchange, that is, the currency type after exchange, for example, in this order. Printed on

FIG. 7B is a plan view showing the receipt 32 for foreign currency deposit. The foreign currency deposit receipt 32 includes a header section 37 including the transaction date and time, product registration contents 38, and a subtotal 3
9, the tax amount 40, the total amount, ie, the amount 41 before conversion, the conversion rate 42 used for currency conversion, the amount 43 in foreign currency after conversion, the deposit amount 44 in foreign currency, and the change amount 45
Are printed in this order, for example.

FIG. 8 is a diagram showing a display example at the time of currency conversion. Here, the converted currency type 51 and the converted currency amount 52 are displayed.

FIG. 9 is a diagram showing a job flow for issuing a currency report of ECR1. When you issue a currency report,
First, a predetermined job number for issuing a currency report is input from the numeric key 11 and multiplied (×) key 1
Press 9 to confirm the input job number. Finally,
Pressing the cash key 17 issues a currency report 55 as shown in FIG.

FIG. 10 is a plan view showing the currency report 55. The currency report 55 includes a header section 56 including the transaction date and time, a report job number and type 57, and a total amount 5 read from the currency-specific aggregation memory 26 for each currency.
8 are printed in this order, for example.

FIGS. 11 to 13 are flow charts showing the processing at the time of currency conversion of ECR1. FIG. 11 shows a process at the time of inputting the foreign currency key 13 or 14, and FIGS.
Reference numeral 3 denotes a process when the cash key 17 is input.

First, referring to FIG. 11, in the case of a foreign currency deposit operation, when the foreign currency key 13 or 14 is input from the keyboard 6, the sales amount of the product at the time of product registration is stored in the sales amount memory 23. The currency type of the product unit price set by the setting job is stored in the currency type memory 22. When the foreign currency key 13 or 14 is input, the amount stored in the sales amount memory 23 is also stored in the amount storage memory 21 in step a1. In the next step a2, the currency type stored in the currency type memory 22 is read, and in step a3, the sales amount stored in the amount storage memory 21 is divided by the currency conversion rate corresponding to the read currency type. , And calculate the amount in the reference currency type, and store the calculated amount in the amount storage memory 21. Next step a
4, the input foreign currency key 13 or 1 is added to the amount of the sales amount stored in the amount storage memory 21 in the base currency.
The currency conversion rate corresponding to the currency type of No. 4 is multiplied to calculate the amount in the input foreign currency type.
To memorize. In the next step a5, the amount storage memory 2
The sales amount in foreign currency stored in 1 is displayed on the display unit 8 and the process is terminated.

In the case of currency exchange operation, the keyboard 6
When the foreign currency key 13 or 14 is input from, the currency type before conversion specified by the immediately preceding operation is stored in the currency type memory 22. When the foreign currency key 13 or 14 is input, in step a6, the numerical value input immediately before is stored in the amount storage memory 21 as the amount before conversion.
The processing after step a2 is performed.

Further, in the case of the change processing operation, when the foreign currency key 13 or 14 is inputted from the keyboard 6, the change amount in the immediately preceding change process is stored in the change amount memory 24. Foreign currency key 13 or 14
Is input in step a7, the change amount stored in the change amount memory 24 is stored in the amount storage memory 21.
And the processing after step a2 is performed.

Referring to FIGS. 12 and 13, in the case of a foreign currency deposit operation, when cash key 17 is input from keyboard 6, in the immediately preceding foreign currency key input process, it is converted into the designated foreign currency. The amount is stored in the amount storage memory 21, and the currency type of the product unit price set by the setting job is stored in the currency type memory 22. Cash key 1
When "7" is input, in step b1, the deposit amount input immediately before the cash key input is replaced with the foreign currency key 13 or 14.
Is printed by the printer 7 together with the currency conversion rate Xn of the foreign currency specified by the above and the converted amount. In the next step b2, the entered foreign currency deposit amount is added to the total foreign currency amount Yn corresponding to the foreign currency key 13 or 14 entered immediately before, and is updated and stored in the tally memory 26 for each currency. In the next step b3, the entered deposit amount of the foreign currency is subtracted from the sales amount in the foreign currency stored in the amount storage memory 21, and the amount is set as the difference in the foreign currency.
To memorize. In the next step b4, the amount storage memory 2
The amount in the foreign currency stored in 1 is divided by the currency conversion rate corresponding to the currency type of the foreign currency key 13 or 14 entered immediately before to calculate the amount in the base currency, and stored in the amount storage memory 21. I do. In the next step b5, the money amount in the reference currency stored in the money amount storage memory 21 is multiplied by the currency conversion rate corresponding to the currency type of the product unit price stored in the currency type memory 22 to obtain the currency type memory 22.
Calculate the amount in the currency at the time of product registration stored in
The amount is stored in the amount storage memory 21.

In the next step b6, the amount storage memory 2
The sign of the amount stored in 1 is determined. The positive case is a case where the deposit amount is insufficient for the sales amount. In this case, the process proceeds to step b7, where the contents of the amount storage memory 21 are also stored in the sales amount memory 23, and the process is terminated. . In the negative case, a change has occurred. In this case, the process proceeds to step b8, where the contents of the amount storage memory 21 are also stored in the change amount memory 24, and the process ends.

In the case of currency exchange operation, the keyboard 6
When the cash key 17 is input from the user, the money amount converted into the designated foreign currency is stored in the money amount storage memory 21 in the immediately preceding foreign currency key input process. When the cash key 17 is input, the printer 7 prints the currency conversion rate Xn of the foreign currency designated by the foreign currency key 13 or 14 and the converted amount in step b9. Next step b10
Then, the content of the amount storage memory 21 is subtracted from the total foreign currency amount Yn corresponding to the foreign currency key 13 or 14 input immediately before, updated and stored in the totaling memory 26 for each currency, and the process is terminated.

Further, in the case of the change processing operation, when the cash key 17 is input from the keyboard 6, the change amount converted into the designated foreign currency is stored in the amount storage memory 21 in the immediately preceding foreign currency key input process. ing. When the cash key 17 is input, in step b10, the contents of the amount storage memory 21 are stored in the foreign currency key 13 input immediately before.
Alternatively, subtract from the total foreign currency amount Yn corresponding to 14 and update and store it in the tallying memory 26 for each currency, and terminate the processing.

As described above, according to the ECR 1 of the present embodiment,
Even when both the new and old currencies are circulated due to currency revision by denomination etc., both the new and old currencies can be handled. Just enter the amount in the old currency and it will be automatically converted to the amount in the specified foreign currency and it will be displayed, so there is no need to manually convert between the old currency and the foreign currency, and high customers Service can be provided. In addition, a receipt on which the conversion result is printed can be issued. Further, the payment processing and the change payment processing can be performed by automatically converting the sales amount in the old currency to the specified foreign currency amount. Further, foreign currency deposits and departures generated by currency exchange and payment processing can be tabulated, for example, in one day or for a predetermined period, and printed out as a currency report, which can be useful for managing foreign currency departures.

[0040]

As described above, according to the present invention, currency is converted by using each conversion rate for a plurality of currency types set and stored with respect to a reference currency type. Conversion with foreign currency can be performed. This eliminates the need for manual calculations for conversion and for inputting the conversion result, preventing a reduction in operation efficiency,
High customer service can be provided.

According to the present invention, a plurality of conversions can be performed and a receipt on which the conversion result is printed can be issued, so that a high customer service can be provided.

According to the present invention, the payment processing of sales can be performed by converting a plurality of currency types into foreign currencies, and therefore, high customer service can be provided.

According to the present invention, not only the sales payment processing but also the change payment processing can be performed by converting a plurality of currency types into foreign currencies, so that a high customer service can be provided.

Further, according to the present invention, the management result can be issued as a total report by managing the incoming and outgoing of foreign currency caused by the currency exchange and the payment processing, so that a high foreign currency management can be performed.

[Brief description of the drawings]

FIG. 1 is a sales management device E according to an embodiment of the present invention.
It is a block diagram of CR1.

FIG. 2 is a plan view showing a mode switch 5 and a keyboard 6 of the ECR 1;

FIG. 3 is a diagram showing a RAM 4 of the ECR 1;

FIGS. 4A and 4B are diagrams showing various setting job flows relating to currency conversion of ECR1. FIG. 4A shows a job flow for setting a currency conversion rate, and FIG. 4B shows a job flow for setting a currency type of a product unit price. Show.

5 is a diagram showing a setting example of a currency conversion rate Xn stored in a currency conversion rate setting memory 25. FIG.

6A and 6B are diagrams showing various operation flows relating to currency conversion of ECR1. FIG. 6A shows an operation flow of currency exchange, and FIG. 6B shows an operation flow of foreign currency deposit and change processing.

FIG. 7 shows receipts 31 and 32 issued from the printer 7;
FIG. 7A is a currency exchange receipt 3.
1B, and FIG. 7B shows a foreign currency deposit receipt 32.

FIG. 8 is a diagram showing a display example at the time of currency conversion.

FIG. 9 is a diagram showing an ECR1 currency report issuance job flow.

10 is a plan view showing a currency report 55. FIG.

FIG. 11 is a flowchart showing a process when inputting a foreign currency key 13 or 14 at the time of currency conversion of ECR1.

FIG. 12 is a flowchart showing processing at the time of inputting a cash key 17 at the time of currency conversion of ECR1.

FIG. 13 is a flowchart showing a process at the time of inputting a cash key 17 at the time of currency conversion of ECR1.

[Explanation of symbols]

 Reference Signs List 1 ECR (electronic cash register) 2 CPU (central processing unit) 3 ROM (read only memory) 4 RAM (random access memory) 5 mode switch 6 keyboard 7 printer 8 display unit 11 numeric key 13 first foreign currency key 14 Second Foreign Currency Key 15 Foreign Currency Exchange Key 16 Subtotal Key 17 Cash Key 18 Decimal Point Key 19 Multiply (×) Key 21 Amount Storage Memory 22 Currency Type Memory 23 Sales Amount Memory 24 Change Amount Memory 25 Currency Conversion Rate Setting Memory 26 Currency Aggregation Memory 27 Transaction summary memory 31 Currency exchange receipt 32 Foreign currency deposit receipt 55 Currency report Xn Currency conversion rate Yn Foreign currency amount

Claims (5)

[Claims] Claiming a sales amount of a product, depositing a deposit amount corresponding to the sales amount, obtaining a change amount which is a difference between the deposited deposit amount and the sales amount, and dispensing the change amount. A conversion rate setting means for setting a conversion rate for each of a plurality of currency types in a base currency type in a sales management device for performing a sales payment process and performing a registration process of sales data including sales products and the sales amount; Conversion rate storage means for storing the converted rates thus converted, currency type and amount input means for inputting the currency type and the amount before conversion, and storing the input currency type and the amount before conversion. The pre-conversion currency type and amount storage means, the post-conversion currency type specifying means for specifying the post-conversion currency type, and the stored pre-conversion currency type in response to the specification of the post-conversion currency type by the specifying means. Base currency The first conversion rate for the seed and the second conversion rate for the reference currency type of the specified converted currency type are read from the conversion rate storage means, and the stored amount of the currency type before conversion is specified. A sales management device having a currency conversion function, comprising: a conversion means for converting the converted currency into an amount of a currency type; and a display output means for displaying and outputting a conversion result by the conversion means. 2. The sales management device according to claim 1, further comprising a receipt issuing unit for issuing a receipt on which sales data is printed, wherein the receipt issuing unit also issues a receipt on which the conversion result is printed. Sales management device with the described currency conversion function. 3. The sales management device includes: a sales amount and currency type storage unit that stores the sales amount and its currency type; and a deposit amount currency type designation unit that specifies a currency type of the deposit amount. The conversion means converts the sales amount and the currency type stored in the sales amount and currency type storage means into the amount and currency type before conversion, and converts the currency type of the deposit amount designated by the deposit amount currency type designation means. 2. The currency according to claim 1, wherein an amount of the currency type after the conversion is obtained as a later currency type, and the payment processing of the sales is performed in the currency type of the deposit amount designated by the deposit amount currency type designation means. Sales management device with conversion function. 4. The sales management device includes a change amount and a currency type storing means for storing the change amount and its currency type, and the converting means includes a change amount and a change amount stored in the currency type storage means. And the currency type as the pre-conversion amount and currency type, and assuming the currency type of the deposit amount specified by the deposit amount currency type specifying means as the post-conversion currency type, the amount of the converted currency type is determined. 4. The sales management apparatus having a currency conversion function according to claim 3, wherein the change amount is paid in the currency type of the deposit amount designated by the deposit amount currency type designation means. 5. A conversion amount totalizing means for totalizing the amounts before or after conversion for each currency type, and a totaling report issuing means for issuing the totaling result by the conversion amount totalizing means as a totaling report. A sales management device comprising the currency conversion function according to claim 1.