JP2000315283A - Information providing method, cash register and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information providing method and a cash register for adding information related to a commodity to be purchased to a receipt which prints accounting information of the commodity to be purchased or a display device and outputting it and to provide a recording medium. SOLUTION: A bar code stuck on a commodity is read by using a bar code reader and identification data indicated by the bar code are received (S101). A commodity name and its price corresponding to the received identification data are extracted from an accounting information database 101 (S102), the extracted commodity name and price are displayed (S103), and are printed on a receipt sheet of paper (S104). Then, with the identification data as a retrieval key, related information is extracted from a related information database (S114), the extracted related information is displayed (S115) and printed (S116).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for providing information using a cash register, a method for receiving product identification data,
The present invention relates to a cash register for printing accounting information corresponding to the identification data, and a recording medium for realizing the cash register.

[0002]

2. Description of the Related Art In the case of cooking a dish, a purchase is made at a retail store such as a supermarket or a department store, and a desired dish is cooked from the purchased ingredients with reference to a recipe in which a cooking method is described. When purchasing food at a retail store, identification data such as a barcode attached to the purchased food is read by a reading means such as a barcode reader provided in a cash register used for accounting calculation, and the total is read by the cash register. Calculate the amount,
Settlement is performed according to the calculated total amount. At this time, a receipt in which the product name and price of the foodstuff to be purchased and the total price are printed on receipt paper is output from the cash register, and after the settlement is completed, the output receipt is handed to the purchaser.

[0003]

However, in order to purchase foodstuffs with reference to recipes obtained through mass media, particularly recipes obtained from fixed media such as televisions and the Internet, the recipes are carried to retail stores. In order to do so, it is necessary to copy the data to a memo sheet or to print using a printer. It is possible to carry a light medium such as a book with the medium, but in practice, it is generally carried in a state of being copied on a memo sheet, so that considerable labor is required.

[0004] In addition, if a product that stimulates a desire to purchase a special sale product or a special product is sold in a retail store,
Prioritize purchase of the product that you did not plan to purchase,
Sometimes you need to rethink what food to cook. The same applies to the case of impulse buying a displayed product.

[0005] In such a case, the recipe copied on the memo paper does not correspond to a dish using a product that was not planned to be purchased. Or a situation in which the purchase is abandoned because the user does not know the preferred cooking method, which may make it impossible to purchase and cook the food efficiently.

The present invention has been made in view of such circumstances. For example, information on a method of cooking a dish that is easy to cook from ingredients to be purchased or a method of obtaining the information is printed on receipt paper. Information providing method, a cash register, which helps to save time for preparing a recipe and to efficiently purchase and cook ingredients.
And a recording medium for realizing the cash register.

Another object of the present invention is to provide a cash register and a recording medium that provide an effective cooking method by providing a cooking method in consideration of the season and time and customer information.

Another object of the present invention is to provide a cash register and a recording medium for presenting food materials and auxiliary materials necessary for a cooking method of a dish to be provided and advertisement information on the materials and supporting effective purchase of the food materials. I do.

[0009]

According to a first aspect of the present invention, there is provided an information providing method using a cash register for receiving identification data of a product, wherein the identification data received by the cash register is used as a search key to search for food. The method is characterized in that information on a cooking method related to the identification data is extracted from a database in which information on the cooking method is recorded, and information on the extracted cooking method is output.

A cash register according to a second aspect of the present invention is a cash register that receives identification data of a product and prints accounting information corresponding to the identification data. It is characterized by comprising an information extracting means for extracting information from a database in which information on how to obtain the information is recorded using the received identification data as a search key, and an output means for outputting the extracted information.

A cash register according to a third invention is characterized in that, in the second invention, the commodity is a food material, and the information related to the identification data is a cooking method of a dish.

A cash register according to a fourth invention is characterized in that, in the second invention or the third invention, the output means is a printing means for printing by adding the extracted information to the accounting information.

According to a fifth aspect of the present invention, in the cash register according to any one of the second to fourth aspects, the identification data is used as a search key to extract related word data related to the identification data from a related word database. A related word extracting means is provided, wherein the information extracting means extracts information from the database using related word data as a search key.

According to a sixth aspect of the present invention, in the cash register according to any one of the second to fifth aspects, a means for reading customer identification data from a customer recording medium recording customer identification data, and recording customer information. Customer information extraction means for extracting customer information corresponding to the read customer identification data from the customer information database that has been read, wherein the information extraction means uses the customer information extracted by the customer information extraction means as a search key, It is characterized by extracting information from a database.

A cash register according to a seventh aspect of the present invention is the cash register according to any of the second to sixth aspects, wherein:
Means for reading date and time data from the clock circuit, wherein the information extracting means extracts information from the database using the date and time data as a search key.

According to an eighth aspect of the present invention, in the cash register according to any one of the second to seventh aspects, the cash register extracts information on a product different from the product indicated by the identification data in relation to the received identification data. It is characterized by comprising additional information extracting means and means for adding the information extracted by the additional extracting means to the information extracted by the information extracting means.

According to a ninth aspect of the present invention, a computer-readable recording medium communicates with a cash register which is connected to a cash register which receives identification data of a product and prints accounting information corresponding to the identification data. A computer-readable recording medium having recorded thereon a program for causing a computer to store information related to the identification data received by the cash register, information different from the accounting information, or information on a method of obtaining the information. A computer program is recorded which includes program code means for extracting information from the recorded database using the received identification data as a search key, and program code means for causing a computer to output the extracted information from a cash register. It is characterized by the following.

A computer-readable recording medium according to a tenth invention is the computer-readable recording medium according to the ninth invention, wherein the computer uses the identification data as a search key to store related word data related to the identification data in a related word database. And program code means for causing a computer to extract information from the database using related word data as a search key.

A computer-readable recording medium according to an eleventh invention is the computer-readable recording medium according to the ninth invention or the tenth invention, wherein the computer reads the customer identification data from the customer recording medium that records the customer identification data. A program code means, a program code means for causing a computer to extract customer information corresponding to the read customer identification data from a customer information database recording customer information, and a computer using the extracted customer information as a search key. And program code means for extracting information from the database.

The computer-readable recording medium according to the twelfth invention is the computer-readable recording medium according to any of the ninth invention to the eleventh invention, wherein the computer reads the date and time data; Program code means for extracting information from the database using data as a search key.

A computer-readable recording medium according to a thirteenth aspect of the present invention is the computer-readable recording medium according to any one of the ninth to twelfth aspects, wherein the computer associates the identification data received from the database with the identification data. Program code means for extracting information of a product different from the indicated product as additional information, and program code means for causing a computer to add additional information to the information extracted using the identification data as a search key. I do.

According to the first to fifth, ninth and ninth aspects of the present invention, for example, information on a method of cooking a dish which is easy to cook from ingredients to be purchased or a method of obtaining the information is output. Thus, it is possible to save the trouble of checking and copying the cooking method, and to assist in purchasing and cooking the food efficiently.

In the sixth invention, the seventh invention, the eleventh invention and the twelfth invention, it is possible to provide effective information by providing information in consideration of season, time, and customer information. It is.

According to the eighth and thirteenth inventions, it is possible to support effective purchase of foodstuffs by presenting, for example, foodstuffs and auxiliary materials necessary for cooking of a dish to be provided, and advertisement information relating thereto. It is possible.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings showing the embodiments. FIG. 1 is a perspective view showing the appearance of a cash register according to the present invention, and FIG. 2 is a block diagram showing the configuration. In the figure, reference numeral 10 denotes a cash register according to the present invention. The cash register 10 includes a CPU 11 for performing overall control including price calculation.
Reads the information such as programs and data from the ROM 12 that stores information such as various programs and data, and executes the programs on the RAM 13 that temporarily stores the information, thereby executing the cache register 1 according to the present invention.
Activate 0.

The cash register 10 further includes a clock circuit 14 for outputting date and time data indicating the date and time, and a hard disk 15 for recording information such as sales information. Accounting information database 10 recording accounting information
1. A related information database 102 that records related information related to a product such as a cooking method and advertisement information, a related word database 103 that records a related word related to a product, and customer information. Customer database 10
4. Advertising information database 10 that records advertising information
5 are stored. These databases are connected to an external server computer via a communication line such as a LAN (Local Area Network),
Various databases stored in the hard disk of the server computer may be used.

The cash register 10 includes a bar code reader and a keyboard or other input means 16 for receiving identification data such as a bar code attached to a product, and a customer record such as a magnetic recording card for recording customer identification data. A reading unit 17 such as a card reader for reading customer identification data from the medium 20 and a display unit 18 and a printing unit 19 as output units for outputting information such as a product name and a price are provided.

FIG. 3 is a conceptual diagram showing the recorded contents of the accounting information database 101 provided in the cash register of the present invention. The accounting information is stored in the accounting information database 101.
It is recorded as a record having data in each item such as identification data, product name, and price.

FIG. 4 is a conceptual diagram showing the recorded contents of the related information database 102 provided in the cash register of the present invention. In the related information database 102, information related to a dish is recorded as a record having data in items such as a name of the dish, a cooking method, a food material, an auxiliary material, a special description, and an obtaining method.

As secondary ingredients, not only ingredients added directly to dishes such as seasonings used for cooking but also drinking alcohols not added to direct dishes such as wine and tequila are recorded as ingredients suitable for cooking. I have. The special note is data used when determining the relevance of each dish, and records data on conditions suitable for cooking of each dish such as summer, evening snacks, and salt reduction.

The obtaining method is a method for separately obtaining information such as a cooking method, a food material, and an auxiliary material.
In the example, a URL (Uniform Resource Locator) indicating a recording position in a WWW server computer on the Internet that records such information is recorded.
The obtaining method is not limited to the Internet. For example, a transmission service using facsimile may be used. In this case, a telephone number for receiving the transmission service is recorded.

FIGS. 5A and 5B are conceptual diagrams showing the recorded contents of the related word database 103 provided in the cash register of the present invention. The related word database 103 shown in FIG. 5A includes synonyms having substantially the same meaning as the standard notation data of the ingredients recorded in the related information database 102 and related words such as phrases having different notation methods. Are recorded as records corresponding to the data of each foodstuff. In the example of FIG. 5A, “Leek” is recorded as data that is a standard notation of foodstuffs, and “Onion”, “Asatsuki”, “Tokyo Leek”, and kanji are displayed as records corresponding to “Leek”. "Onion" and half-width katakana display "
In this manner, data using standard notation can be extracted by using the related word database 103 irrespective of the notation method of product names.

In the embodiment described below, FIG.
A form using the related word database 103 shown in the conceptual diagram of FIG. 5A will be described. However, the related word database 103 is not limited to such a form, and as shown in the conceptual diagram of FIG.
A form in which a plurality of related words are recorded as a related word group may be used. In the form of recording as a related word group, a related word group including the same phrase as the product name is extracted from the related word database 103, and all related words included in the related word group are extracted as related word data.
As described above, if the related word database 103 that records related words as the related word group shown in FIG. It can be performed.

That is, the related word database 103 is intended to extract valid related information without being affected by the notation method in the product and related information database 102, and its form is data to various databases. It is desirable to use the most efficient form in consideration of the human load at the time of registration, the recording capacity of the hard disk, and various conditions such as the CPU 11.

FIG. 6 is a conceptual diagram showing the recorded contents of the customer database 104 provided in the cash register of the present invention. The customer information database 104 records customer information as a record having data in items such as customer identification data, name, gender, age, number of people living together, and hobbies and preferences.

FIG. 7 is a conceptual diagram showing the recorded contents of the advertisement information database 105 provided in the cash register of the present invention. In the advertisement information database 105, information on advertisements related to ingredients and auxiliary materials used for cooking includes products,
It is recorded as a record corresponding to the data of the food material and the auxiliary material.

Next, the processing of the cash register of the present invention will be described with reference to the flowchart shown in FIG. First, the purchaser reads the bar code attached to the product desired to be purchased by using the bar code reader 15,
The identification data indicated by the barcode is received (S10
1).

The accounting information such as the product name and price corresponding to the received identification data is extracted from the accounting information database 101 (S102), and the extracted product name and price are displayed on the display means 18 (S103), and the printing means 19 Is used to print on receipt paper (S104).

The process of steps S101 to S104 is repeated for all the products that the purchaser desires to purchase, and an input of a "total" key indicating that the reception of the identification data has been completed for all the products is received (S105). Calculate the total amount of prices extracted for all products (S
106), the total amount is displayed on the display means 18 (S10).
7) Printing is performed on receipt paper using the printing unit 19 (S108).

At this time, if the purchaser desires to provide a specific service such as a customer privilege, the reading means 17 reads the customer identification data recorded on the customer recording medium 20 owned by the purchaser ( (S109), extract customer information corresponding to the read identification data from the customer information database 102 (S110).

Then, identification data indicating a food product is extracted from all the products (S111), and data that is standardized in correspondence with the identification data is extracted from the related word database 103 as related word data. Yes (S11
2). The date and time data indicating the date and time at this time are read from the clock circuit 14 (S113), and the related information is extracted from the related information database 101 using the identification data, related word data, customer information, and date and time data as search keys (S113). S114).

The related information extracted from the related information database 101 is information on a dish that the customer can cook from the food desired to be purchased. The extraction of the information is based on the food desired to be purchased and the related information database. 101
Is calculated by calculating the degree of relevance to each dish recorded in the. And extracting the dish with the highest degree of relevance.

The process of extracting relevant information at this time will be described with reference to the conceptual diagrams shown in FIGS. 9A, 9B, and 9C, and the flowchart shown in FIG. FIG.
FIG. 9A is a conceptual diagram showing a state in which the names of dishes and ingredients recorded in the related information database 101 provided in the cash register of the present invention are arranged in a matrix for calculation, and FIG. A conceptual diagram showing a list of desired ingredients, and FIG. 3C is a conceptual diagram showing a method of calculating the degree of association.

FIG. 9 (a) shows the necessity of each ingredient in correspondence with the name of the dish, and among the ingredients, "1" is shown as data for ingredients necessary for the dish. “0” is shown as data for unnecessary food materials. FIG.
In (b), the ingredients that the purchaser desires to purchase among the ingredients are shown, and among the ingredients that are desired to be purchased, “1” is shown as data, and the other ingredients are shown as data. Indicates "0" as data. FIG. 9C shows FIG.
The result of multiplying the data of each ingredient shown in FIG. 9A by the data of each ingredient shown in FIG. 9B and calculating the sum for each dish name is shown. Is used as the degree of association with

In the calculation of the degree of association, a predetermined weighting coefficient may be further multiplied based on the versatility of the foodstuff. That is, a large numerical value is multiplied to a food material having a small number of usable dishes such as shark fins and turban shells, and a small numerical value is multiplied to a food material having a large number of usable dishes such as onion and carrot. In addition, foods such as onions and carrots, which have high versatility and a long storage period, may be omitted from the calculation of the degree of relevance, considering that many households have a permanent stock.

In this way, the degree of relevance between the purchased ingredient indicated by the identification data or the related word data and the dish information is calculated (S201), and the dish having the highest relevance and the degree of relevance of the dish are determined in advance. Then, information on dishes having a degree of association within a predetermined range is extracted (S202). Then, the degree of association is recalculated in consideration of the association between the specially noted data in the extracted cooking information, the date and time data, and the customer information (S20).
3) Extract information of the most relevant dish (S20)
4). When the relevance is taken into account, weighting may be performed in consideration of the amount of ingredients based on the number of customers living together.

By performing such multi-stage extraction, more valuable information can be provided to the purchaser. For example, curry and stew have almost the same relevance because the ingredients used are almost the same, but at this time, stew information can be extracted in winter and curry information can be extracted in summer. . Similarly, if the time zone is around 10 o'clock, extract dishes suitable for lunch,
At about 17:00, a dish suitable for dinner can be extracted, and at about 22:00, a dish suitable for evening meal can be extracted.

Then, the necessary ingredients for the extracted cooking information are compared with the purchased ingredients (S205), and information on the missing ingredients among the necessary ingredients is extracted as missing ingredient information (S206). Further, the advertisement information having the highest relevance with the missing ingredient information and the information on the extracted cooking auxiliary material is extracted from the advertisement information database 105 (S207). The advertisement information may be extracted at the stage where the advertisement information item is added to the dish information in the related information database 102 and the dish is extracted. Missing food information and advertisement information are added to the extracted cooking information, that is, related information (S20).
8), extraction of the related information is completed.

The related information extraction process is not necessarily limited to the above-described processing order and extraction method. For example, the processes of steps S109 to S110 may be performed first. And if it is not divided into items such as secondary materials,
A full-text search may be performed on each record of the related information database 102 using the identification data and the related word data as search keys.

The data of the name of the dish, the cooking method, the ingredients, and the sub-ingredients or the data of the obtaining method in the related information extracted in this way, and the information of the missing ingredients and the advertising information added are displayed on the display means. 18 (S115),
Further, using the printing means 19, the accounting information such as the product name, the price, and the total amount of the receipt paper is printed below or on the back side of the printing position (S116). Then, the receipt on which the data of the accounting information and the related information is printed is discharged for a predetermined length (S117), and the clerk operating the cash register 10 cuts the output receipt, and hands it over to the purchaser after the settlement is completed.

In the above-described embodiment, the mode in which the cooking method of the dish is used as the related information has been described. However, the present invention is not limited to this.
If you buy ski equipment at a sporting goods store,
Slope information may be used as the related information, and when purchasing a ticket for transportation such as a bus and a railroad, tourist information of a destination may be used as the related information.

In the above embodiment, the magnetic recording card is used as the recording medium for the customer. However, when a large-capacity medium such as an IC card and a memory stick is used as the recording medium for the customer, the recording medium for the customer is used. The information of the customer may be recorded on the medium, and the information to be output may be extracted using the information of the customer recorded on the recording medium for the customer.

Further, in the above-described embodiment, a configuration has been described in which various databases are stored in the hard disk provided in the cash register and various processes are performed. However, the present invention is not limited to such a configuration, and a general-purpose cache can be used. The register may be connected to a personal computer (hereinafter, referred to as a personal computer) that has read the computer program recorded on the recording medium of the present invention, and may be used as the cache register of the present invention.

FIG. 11 is a block diagram showing an example of a configuration in which a general-purpose cash register is connected to a personal computer to realize the cash register of the present invention. In FIG. 11, a cash register 10 includes a CPU 11, a ROM 12,
It includes a RAM 13, a clock circuit 14, a hard disk 15, an input unit 16, a reading unit 17, a display unit 18, and a printing unit 19, and a communication interface 10a for connecting to a personal computer 30.

The personal computer 30 has a communication interface 35, and the communication interface 35 is connected to the communication interface 10a of the cash register 10 via a communication line.

The personal computer 30 further includes auxiliary storage means 32 for reading information such as programs and data from a recording medium 40 of the present invention such as a CD-ROM on which information such as programs and data are recorded. Is read from the hard disk 33. The hard disk 33 includes a related information database 301, a related word database 302, a customer information database 303, and an advertisement information database 304.

The personal computer 30 includes a clock circuit 36, input means 37 such as a keyboard and a mouse, and output means 38 such as a CRT monitor and a printer. Information such as programs and data recorded on the hard disk 33 is temporarily stored in a RAM 34 for temporarily storing information, and is executed by the CPU 31 so that the cash register 10 serves as the cash register of the present invention. It operates according to the flowchart shown in FIG.

Further, when an external device is connected to the cash register using a communication line, a terminal device having input means for inputting customer identification data and output means such as a monitor and a printer is connected to the communication line to connect the terminal to the cash register. Installed in Instead of printing the related information on the receipt paper by the cash register, the terminal device may output the related information by inputting customer identification data into the terminal device after purchasing the product. In the form of outputting the related information from the terminal device in this manner, the cash register processing is reduced, and the accounting process can be performed quickly, and a specific service is provided to the purchaser who owns the recording medium for the customer. It is effective for securing customers. If customer receipt data is printed on the receipt, it is also possible to provide related information to all purchasers.

[0059]

As described in detail above, in the information providing method, the cash register, and the recording medium according to the present invention,
For example, by outputting information on a cooking method of a dish that can be easily cooked from the ingredients to be purchased or a method of obtaining the information, it is possible to eliminate the trouble of examining and copying the cooking method and to efficiently purchase and cook the ingredients. It has excellent effects, such as being able to assist in making it more efficient.

In the cash register and the recording medium according to the present invention, by providing information in consideration of the season and time and customer information, it is possible to provide effective information. It has the effect.

Further, in the cash register and the recording medium according to the present invention, information about a product to be purchased and which is different from the product to be purchased, for example, advertisement information is presented, thereby supporting effective purchase of foodstuffs. And so on.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a cash register of the present invention.

FIG. 2 is a block diagram showing a configuration of a cash register of the present invention.

FIG. 3 is a conceptual diagram showing recorded contents of an accounting information database provided in a cash register of the present invention.

FIG. 4 is a conceptual diagram showing recorded contents of a related information database provided in the cash register of the present invention.

FIG. 5 is a conceptual diagram showing recorded contents of a related word database provided in the cash register of the present invention.

FIG. 6 is a conceptual diagram showing recorded contents of a customer database provided in the cash register of the present invention.

FIG. 7 is a conceptual diagram showing recorded contents of an advertisement information database provided in the cash register of the present invention.

FIG. 8 is a flowchart showing processing of the cash register of the present invention.

FIG. 9 is a conceptual diagram showing a process of extracting relevant information in a cash register according to the present invention.

FIG. 10 is a flowchart showing processing of the cash register of the present invention.

FIG. 11 is a block diagram showing a configuration example in a case where a general-purpose cash register is connected to a personal computer to realize the cash register of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 cash register 11 CPU 12 ROM 13 RAM 14 clock circuit 15 hard disk 16 input means 17 reading means 18 display means 19 printing means 101 accounting information database 102 related information database 103 related word database 104 customer information database

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E042 CD04 CD10 CE04 5B049 BB11 BB56 CC31 DD01 DD02 DD04 DD05 EE05 FF02 FF03 FF04 FF08 FF09 GG05 9A001 CZ08 JJ01 JJ12 JJ25 JZ12 JZ27 KK38 KK42

Claims (13)

[Claims] 1. An information providing method using a cash register for receiving identification data of a product, wherein the identification data received by the cash register is used as a search key, and the identification information is obtained from a database that records information on how to cook the dish. An information providing method, wherein information on a cooking method related to data is extracted, and information on the extracted cooking method is output. 2. A cash register for receiving identification data of a product and printing accounting information corresponding to the identification data, wherein information different from the accounting information or information on a method of obtaining the information is recorded in association with the identification data. A cash register comprising: an information extracting unit that extracts information from a database that performs the process using the received identification data as a search key; and an output unit that outputs the extracted information. 3. The cash register according to claim 2, wherein the commodity is a food material, and the information related to the identification data is a cooking method of the dish. 4. The cash register according to claim 2, wherein the output unit is a printing unit that adds the extracted information to accounting information and prints the information. 5. A related word extracting means for extracting related word data related to the identification data from a related word database using the identification data as a search key, wherein the information extracting means uses the related word data as a search key. And then
The cash register according to any one of claims 2 to 4, wherein information is extracted from the database. 6. A means for reading customer identification data from a customer recording medium recording customer identification data, and extracting customer information corresponding to the read customer identification data from a customer information database recording customer information. And a customer information extraction unit that extracts information from the database using the customer information extracted by the customer information extraction unit as a search key. The cash register according to claim 5. 7. A clock circuit, and means for reading date and time data from the clock circuit, wherein the information extracting means extracts information from the database by using the date and time data as a search key. The cash register according to any one of claims 2 to 6, wherein 8. An additional information extracting means for extracting, from the database, information on a product different from the product indicated by the identification data in relation to the received identification data, and extracting the information extracted by the additional extraction means into the information extraction 8. The cash register according to claim 2, further comprising: means for adding the information extracted by the means. 9. A computer connected to a cash register that receives identification data of a product and prints accounting information corresponding to the identification data can be read by a computer storing a program for communicating with the cash register. A recording medium, in which the computer is associated with the identification data received by the cash register, information different from the accounting information, or a database that records information on how to obtain the information,
A computer characterized by recording a computer program including program code means for extracting information using the received identification data as a search key, and program code means for causing the computer to output the extracted information from a cash register. Readable recording medium. 10. A program code means for causing a computer to use the identification data as a search key to extract related word data related to the identification data from a related word database. 10. The computer-readable recording medium according to claim 9, further comprising program code means for extracting information from the database. 11. A program code means for causing a computer to read customer identification data from a customer recording medium on which customer identification data is recorded, and a customer read from a customer information database recording customer information on the computer. A program code means for extracting customer information corresponding to the identification data; and a computer using the extracted customer information as a search key,
10. A program code means for extracting information from the database.
0. A recording medium readable by a computer according to 0. 12. A program code means for causing a computer to read date and time data, and program code means for causing the computer to extract information from the database using the read date and time data as a search key. A computer-readable recording medium according to any one of claims 9 to 11. 13. A program code means for causing a computer to extract, as additional information, information on a product different from the product indicated by the identification data in relation to the received identification data from the database, and causing the computer to search for the identification data. 13. The computer-readable recording medium according to claim 9, further comprising program code means for adding additional information to the information extracted as a key.