JPH0821132B2 - Electronic cash register - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention In the present invention, a unit price is stored in advance for each trading product,
The present invention relates to an electronic cash register that performs registration based on the unit price.

2. Description of the Related Art Generally, in an electronic cash register, a preset unit price for a certain transaction product is stored in a memory, and at the time of registration, the unit price corresponding to the product is simply operated by operating the product-specific key. There is a preset registration method of reading and registering. In such a preset registration method, since there is only one preset unit price stored in the memory in advance for each product, when changing the price depending on the time of day even for the same product such as a restaurant, the preset unit price can be changed. There is a problem that the unit price cannot be used and the changed price must be entered by the amount key. The prior art for solving this problem is
It is disclosed in JP-A-54-150944.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the electronic cash register using the preset registration method disclosed in Japanese Patent Laid-Open No. 54-150944, only one type of procedure for determining or changing the unit price can be set. It was not possible to set the above procedure for each trading product. In other words, it was not possible to change the discount rate for each product or the time period for changing the unit price for each product.

An object of the present invention is to provide an electronic cash register that can change the unit price stored in advance for each transaction product and register it by a desired procedure for each product.

Means for Solving the Problems The present invention includes means for inputting product codes of a plurality of transaction products, first storage means for storing unit price information of a predetermined standard corresponding to the product codes, Second storage means for storing condition information arbitrarily set corresponding to the product code and unit price determination information for determining a unit price of the product based on the condition information; and the first or second storage Transaction amount storage means for registering a transaction amount based on unit price information derived from the means, and condition information of the second storage means is read out based on the product code from the input means, and when the condition information is met. Is a controller that derives unit price information from the unit price determination information, and derives the standard unit price information from the first storage unit when the unit price determination information does not match, and registers it in the transaction amount storage unit. With the door, an electronic machine cash register, characterized in that as the unit price is automatically determined registered in the registration processing of trading instruments.

Operation According to the present invention, the reference unit price information is stored in the first storage means 23 in association with the product unit price, the product type, and therefore the product code, and the second storage means 24, 35, 38, 39 is
The condition information and the unit price determination information are stored corresponding to the product code, and the control means reads the condition information from the second storage means based on the product code from the input means, and the condition information. When the conditions are satisfied and the conditions match, the unit price determination information is used to derive the unit price information, for example, and when the condition information is not satisfied and does not match, the unit price determination information is used as a reference from the first storage means. Unit price information is derived and registered in the transaction amount storage means in this way.

In the present invention, as described above, it is possible to change the price for each product for the first time, which improves the convenience and operability of the electronic cash register.

Embodiment FIG. 1 is a block diagram showing a basic configuration of an electronic cash register (hereinafter referred to as a register) which is an embodiment of the present invention. The registration machine is provided with a control unit 1 including a microcomputer and the like, which electrically controls the entire registration machine. A memory 2, which is a first storage unit and a second storage unit, a clock circuit 7, and an input / output control circuit 3 are connected to the control unit 1 via a data bus 8. Memory 2 is
It consists of ROM (Read Only Memory) and RAM (Random Access Memory). The clock circuit 7 shows the current date,
Output data such as time and day of the week. Input / output control circuit 3
The key input unit 4, the display device 5, and the printing device 6 are connected to.

FIG. 2 is a diagram showing a key layout of the key input unit 4.
The key input section 4 is a numeric key for entering the amount of the transaction product.
11, a product-specific key 12 for specifying the product, a subtotal key 13 for adding or totaling, a cash key 14 for issuing a receipt for total or change, a customer code key 15 for entering a customer code, etc. The keys of are arranged.

The key input section 4 also has a mode selector switch 16
Is provided. The mode changeover switch 16 performs a changeover operation by inserting a key held by an operator who operates the registration machine into the keyhole 17 and angularly displacing the key leftward or rightward. That is, when performing a normal so-called cash register operation, the operation position of the mode changeover switch 16 is set to the registration position.

FIG. 3 is a diagram showing a structure of PLU (price lookup) information stored in the memory 2. The PLU code attached to each transaction product is stored in the PLU code area 21, and the information indicating the product name is stored in the text area 22.
The standard unit price of the transaction product is stored in the unit price area 23, and two types of standard unit prices P1 and P2 are set in this embodiment.
Which of these standard unit prices P1 and P2 is used is
It is selected in the reference unit price area 35 in FIGS. 4 (1) to 4 (3) described later. That is, the unit price P1 is set in the area 23a and the unit price P2 is set in the area 23b.

The specified information area 24 is the specified information for specifying the unit price determination procedure.
Is set to A designation code described later is designated by this designation information. In addition, the total sales volume of trading products is in the quantity domain
25, the total sales amount of the traded products is stored in the total sales area 26.
Is stored. Such PLU information is set as many as the number of product-specific keys 12.

FIG. 4 is a diagram showing a configuration example of information stored in the memory 2 and representing a unit price determination procedure. When the designation information is, for example, an 8-bit code, 256 kinds of procedures can be set. The designation code assigned to each unit price determination procedure is stored in the designation code area 31. For each designation code in each designation information area 24, the reference unit price area 35 and the condition determination unit 38
And a calculation unit 39 are provided. The procedure for determining the unit price includes a reference unit price area 35, a condition determination unit 38, and a calculation unit 39. In the standard unit price area 35, information for designating the standard unit price P1 of the trading product is set, and when the truth value of the condition judging section 38 is “false”, that is, when the condition is not satisfied, it is designated by this information. The standard unit price to be used is used as the standard unit price of the trading product.

The condition determination unit 38 includes a type code area 36 and a determination condition area 37.
It consists of a and 37b. A type code indicating the type of determination condition is set in the type code area 36, and specific determination conditions are set in the determination condition areas 37a and 37b. In this embodiment, two types of judgment conditions are set. When the truth value of the condition determination unit 38 is “true”, that is, when the condition is satisfied, the calculation specified by the calculation unit 39 is performed, and the calculation result is used as the unit price of the transaction product.

The operation unit 39 includes an operation code area 32 and operand areas 33, 3
Composed of 4 and. The operation code indicating the type of operation is set in the operation code area 32, and the information designating the operand is set in the operand areas 33, 34. Condition determination part 3
When the truth value of 8 is “true”, the type of operation specified by the operation code area 32 is executed on the numerical values specified by the operand areas 33 and 34. FIG. 4 (1) is an example of information showing the procedure when the time is used as the determination condition, and FIG. 4 (2) is an example of the information showing the procedure when the day of the week is used as the determination condition. Further, FIG. 4 (3) is an example of information indicating the procedure when the customer code is used as the determination condition.

FIG. 5 is a flowchart for explaining the registration process of the registration machine. When the PLU code is input by operating the product-specific key 12 of the key input unit 4, step a1
At 1, the control unit 1 reads the designation information corresponding to the input PLU code from the memory 2. In step a2, the control unit 1 evaluates the condition determination unit 38 corresponding to the designation information. In step a3, it is determined whether or not the truth value is “true”. If “true”, the process proceeds to step a4.
If “false”, proceed to step a5. In step a4, the unit price is determined based on the calculation unit 39, and in step a5, the unit price is determined based on the reference unit price area 35. In step a6, registration processing, that is, updating of the sales quantity and sales amount of the transaction product is performed based on the unit price determined in step a4 or step a5.

FIG. 6 is a flow chart for explaining an example of the evaluation of the condition judgment unit 38 in step a2 of the flow chart shown in FIG. In this embodiment, a case where "0" is designated as the designation information, that is, a case where the evaluation is performed based on the information shown in FIG. 4 (1) will be described. Step
At b1, the control unit 1 reads the current time CT from the clock circuit 7. In step b2, it is judged whether or not the current time CT has reached the start time ST, and if it has reached step b3
At, it is determined whether the current time CT has passed the end time ET. The current time CT is the end time in step b3
If ET has not elapsed, the process proceeds to step b4 and the truth value is set to "true". If the current time CT has not reached the start time ST in step b2, or if the current time CT has passed the end time ET in step b3, step b5
And the truth value is set to “false”.

For example, when "1" is designated as the designation information,
The information shown in FIG. 4 (2) is designated and the evaluation is performed based on the day of the week. If it is not Saturday or Sunday, the truth value is "false" and the unit price P2 is used. If it is Saturday or Sunday, the truth value is "true" and the unit price is
The sum of the constants in P2 is used as the unit price.

When "255" is designated as the designation information, the information shown in FIG. 4 (3) is designated and the evaluation is performed based on the customer code. The customer code is a code individually assigned to a trading partner. If the customer code is not code COD1, COD2, the truth value is "false",
Unit price P1 is used. When the customer code is the code COD1 or COD2, the truth value is "true", and in this case, the unit price is "0".

As described above, according to the present embodiment, the procedure for determining the unit price can be set for each trading product, and for example, the time zone for changing the unit price or the changing method can be changed for each trading product. it can. This greatly improves the convenience and operability of the registration machine, and expands the range of use of the registration machine.

EFFECTS OF THE INVENTION As described above, according to the present invention, the unit price stored in advance for each sucked product can be changed and registered for each traded product according to a desired procedure. This greatly improves the convenience and operability of the electronic cash register, and expands the range of use. Particularly according to the present invention, the first storage means stores the reference unit price information corresponding to the product code of each of the plurality of transaction products, and the second storage means corresponds to the product code. The condition information and the unit price determination information are stored, and the control means reads out the condition information from the second storage means based on the product code input from the input means, and if the condition information matches the condition information, The unit price information is derived from the unit price determination information of the product code and registered in the transaction amount storage means. When the condition information is not met, the reference unit price information of the first storage means is derived and registered in the transaction amount storage means. . As a result, the unit price can be automatically determined and registered for each product, that is, for each product code. Therefore, as described above, the convenience and operability of the electronic cash register are improved, and erroneous input by the operator is prevented.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of an electronic cash register which is an embodiment of the present invention, FIG. 2 is a diagram showing a key arrangement of a key input unit 4, and FIG. 3 is stored in a memory 2. PL
The figure which shows the structure of U information, FIG. 4 is the figure which shows the structural example of the information stored in the memory 2 which shows the procedure of unit price determination, 5th.
FIG. 6 is a flow chart for explaining the registration process of the registration machine, and FIG. 6 is a flow chart for explaining an example of the evaluation of the condition determination unit 38 in step a2 of the flow chart shown in FIG. 1 ... control unit, 2 ... memory, 4 ... key input unit, 12 ...
… Product key, 21 …… PLU code area, 23 …… Unit price area, 24 …… Specified information area, 31 …… Specified code area, 32…
… Operation code area, 33,34 …… Operand area, 35 …… Reference unit price area, 36 …… Type code area, 37a, 37b …… Judgment condition area, 38 …… Condition judgment section, 39 …… Calculation section

Claims (1)

[Claims] 1. A means for inputting product codes of a plurality of transaction products, a first storage means for storing unit price information of a predetermined standard corresponding to the product codes, and a storage device corresponding to the product codes. Second storage means for storing arbitrarily set condition information and unit price determination information for determining a unit price of a product based on the condition information, and a unit price derived from the first or second storage means. Based on the transaction amount storage means for registering the transaction amount based on the information, the condition information in the second storage means is read out based on the product code from the input means, and when the condition information is matched, the unit price is determined by the unit price determination information. And a control means for deriving information, and deriving the reference unit price information from the first storage means when the information does not match the condition information and registering it in the transaction amount storage means. of Electronic equipment cash registers, characterized in that as the unit price is automatically determined registered in recording process.