JP2003166847A - Navigation information providing system and communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation information providing system and a communication terminal whereby a user having the communication terminal can easily find out a target commodity without walking around in a store in vain. <P>SOLUTION: This navigation information providing system and communication terminal is provided with a transmitting part 11-n installed in the store and transmitting ID information; a transmitting part position database 12 for storing installation position information of the transmitting part 11-n; a commodity position database 13 for storing commodity display position information; a control part 14 for extracting the commodity display position information and the installation position information of the transmitting part 11-n from the respective databases based on commodity information and transmitting the extracted information to the communication terminal 20; and a control means 21 for receiving the ID information, transmitting the commodity information to the control part 14, receiving the installation position information and the display position information transmitted from the control part 14, calculating a present position based on the ID information and the installation position information, comparing the present position information and the display position information, and generating navigation information from the present position to the commodity display position and displaying the navigation information on a display means 26. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation system, and more particularly to a navigation information providing system and a communication terminal suitable for navigation to a display place of products in a store.

[0002]

2. Description of the Related Art Conventionally, a consumer who wants to purchase a product posted in an advertisement or the like actually goes to a store targeted for advertisement, and first, when he / she does not have information about the placement of the product in the store. Has looked for a store guide map or a pamphlet installed in the store to search for an area where a display shelf of the desired product is supposed to be located, and then searches the display shelf to find the target product.

[0003]

However, according to the above-mentioned conventional method, in the case of a store that handles electric products, the store guide map and the like show the display shelves for each category of products such as cooling equipment, heating equipment, audio equipment, and visual equipment. The location was listed, but not the location of the display shelf for each product. Therefore, if the product category is not clear,
Consumers have difficulty finding the desired product,
As a result, there was a problem of walking around the store in vain.

In the above-mentioned conventional method, the consumer must always keep an eye on the surroundings so as not to lose sight of the present location on the store guide map, and there is a problem in that he cannot concentrate on searching for a desired product. It was Further, in recent years, many large-scale stores have been opened in the suburbs such as Bettown, and in the case of such large-scale stores, the above problem becomes more remarkable, and the convenience for consumers is significantly reduced.

The present invention has been made in view of the above problems, and a navigation information providing system and a communication terminal that allow a user having a communication terminal to easily find a desired product without wandering around in a store wastefully. The purpose is to provide.

[0006]

In order to achieve the above object, a navigation information providing system of the present invention includes a plurality of transmitters installed in a store and transmitting identification information to communication terminals existing in a nearby area. Based on the product information transmitted from the communication terminal, and the product position database storing the display position information of the product in the store, corresponding product based on the transmitter position database storing the installation position information of the transmitter. Display position information of the transmitter is extracted from the product position database, installation position information of the transmitter is extracted from the transmitter position database, and the controller transmits the position information to the communication terminal. And

According to the present invention, since the transmitting unit can transmit the identification information to the near area, when the user having the communication terminal enters the near area, the communication terminal receives the identification information. On the other hand, when the product information is received from the communication terminal, the control unit transmits the display position information of the product and the installation position information of the transmission unit corresponding to the product information to the communication terminal. This allows the communication terminal to calculate the current position information from the identification information and the installation position information, and generates navigation information from the current position to the display position of the product by comparing the current position information with the display position information. It becomes possible. Therefore, by displaying the generated navigation information on the terminal, the user can navigate to the display position of the product.

Further, the navigation information providing system of the present invention is characterized in that, in the above invention, the control unit confirms the stock of the product in a predetermined store based on the product information and transmits the stock information to the communication terminal. And

According to the present invention, the control unit transmits the inventory information of the product in the predetermined store to the communication terminal according to the product information. Thereby, the communication terminal can display the inventory information of the product in the predetermined store based on the product information on the terminal, and can present the inventory information of the product to the user.

Further, the navigation information providing system of the present invention, in the above invention, when there are a plurality of stores,
The control unit is characterized by further confirming the inventory of the product in the corresponding store based on the store information transmitted from the communication terminal.

According to the present invention, the control unit confirms the stock of the product in the store corresponding to the store information transmitted from the communication terminal. Therefore, in the communication terminal, when the same product is handled in a plurality of stores. The store information makes it possible to display the inventory information of the product in the specific store on the terminal, and the user can be presented with the inventory information of the product in the specific store corresponding to the store information.

Further, in the navigation information providing system of the present invention, in the above invention, the control unit confirms the inventory of the product at another store when the inventory is not available as a result of the inventory confirmation. To do.

According to the present invention, when the control unit does not have the stock of the product in the specific store, the stock of the product in the other store is confirmed. Therefore, the communication terminal stores the product in the store of the transmitted store information. When there is no stock, it becomes possible to display the stock information of the products in the other stores on the terminal, and it is possible to present the user with the stock information of the products in the stores other than the specific store corresponding to the store information.

Further, the navigation information providing system according to the present invention is characterized in that, in the above-mentioned invention, the control section transmits the store position information indicating the position of the store to the communication terminal. According to the present invention, since the control unit transmits the location information of the store to the communication terminal, the communication terminal can display the location information of the store on the terminal and present the location information of the store to the user. it can.

Further, in order to achieve the above object, the communication terminal of the present invention is an identification information receiving means for receiving identification information from a transmission section installed in a store, an input means for inputting product information, and the input. Merchandise information transmitting means for transmitting merchandise information input by means to a control unit connected by communication, and position information receiving means for receiving display position information of merchandise in a store based on the merchandise information and installation position information of the transmitting part. ,
Current position calculation means for calculating current position information based on the identification information received from the transmission part and the installation position information of the transmission part received from the position information receiving means, the calculated current position information and the received display position Compare with the information,
It is characterized by further comprising navigation information generating means for generating navigation information from the current position to the display position of the product and display means for displaying the generated navigation information so that the navigation information can be browsed.

According to the present invention, the identification information receiving means receives the identification information from the transmitter. On the other hand, when the product information transmitting unit transmits the product information input by the input unit to the control unit, the position information receiving unit receives the display position information of the product and the installation position information of the transmitting unit. Then, the current position calculating means calculates the current position information from the identification information received from the transmitting section and the installation position information received from the position information receiving means, and the navigation information generating means compares the current position information with the display position information. Then, navigation information from the current position to the display position of the product is generated, and the generated navigation information is displayed on the terminal by the display means. Thereby, the user having the communication terminal can be navigated to the display position of the product.

Further, the communication terminal of the present invention comprises, in the above invention, an inventory information receiving means for receiving the inventory information of the commodity based on the commodity information, and the display means displays the received inventory information in a viewable manner. It is characterized by

According to the present invention, the inventory information receiving means receives the inventory information of the commodity based on the commodity information, and the display means displays the inventory information of the commodity on the terminal. As a result, the stock information of the product can be presented to the user.

Further, the communication terminal of the present invention comprises, in the above invention, store information transmitting means for transmitting store information in addition to the merchandise information when there are a plurality of stores, and the inventory information receiving means comprises store information and It is characterized in that the stock information of the product based on the product information is received.

According to the present invention, when there are a plurality of stores,
The store information transmitting unit transmits the store information in addition to the product information, and the inventory information receiving unit receives the inventory information of the product in the store corresponding to the store information. Then, the inventory information received by the display means is displayed on the terminal. Accordingly, it is possible to present the user with inventory information of products in a specific store according to the store information.

Further, the communication terminal of the present invention is, in the above-mentioned invention, a second current position calculating means for calculating the current position information based on the positioning information transmitted from the satellite, and a store position for receiving the store position information. A second means for comparing the current position information calculated by the second current position calculating means with the received position information of the store to generate navigation information from the current position to the position of the store. And a navigation information generating means.

According to the present invention, the second current position calculating means calculates the current position information based on the positioning information from the satellite. On the other hand, the store position receiving means receives the position information of the store. Then, the second navigation information generation means compares the current position information with the position information of the store, generates navigation information from the current position to the position of the store, and the generated navigation information is displayed on the terminal by the display means. To do. Thereby, the user having the communication terminal can be navigated to the store.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of a navigation system (hereinafter referred to as “present system”) using a navigation information providing system and a communication terminal according to an embodiment of the present invention. In this figure, reference numeral 10 is a navigation information providing system according to the present embodiment. Reference numeral 20 denotes a mobile phone (communication terminal) according to the present embodiment, which the user 20a has. Reference numeral 50 is a base station that wirelessly communicates with the mobile phone 20, and 60 is a network that communicatively connects the navigation information providing system 10 and the base station 50, for example, a mobile phone network. In this system, when the user 20a transmits the product information of a specific product among the products posted in the newspaper advertisement, for example, to the navigation information providing system 10 via the mobile phone 20, in the store that handles the product. The mobile phone 20 is adapted to display the navigation information indicating the display location of the product based on the information transmitted from the navigation information providing system 10.

Here, the product information is identification information unique to each product, for example, JAN (Japanese Article Num).
ber) code. The JAN code is a common product code in Japan and is widely used in POS (Point Of Sales) systems and the like. This JAN code consists of 13 digits and is usually printed as a bar code on the package of the product. FIG. 2 is a diagram showing an example of the content posted in a newspaper advertisement. In this figure, an insert advertisement 60 is an advertisement for a large sale in an S supermarket, and an image 61 of a sale item (for example, an image of a shirt), its product name 62 (T-shirt), price 63 (980 yen), and JAN code 64. (Product information: 4
912345678904), respectively. Further, there are a plurality of target stores for this advertisement 60, and a store name 65 (for example, Y store) and its store code 66 (store information: 1234) are respectively posted.

Returning to FIG. 1, the navigation information providing system 10 is installed in a store and has an ID (Identificatio
n) A plurality of transmitters 11-n for transmitting information (identification information)
(N = 1, 2, ...), a transmitter position database 12 that stores installation position information of the transmitter 11-n, a product position database 13 that stores display position information of products in the store, and control The communication control unit 15 that transmits and receives various data via the unit 14 and the network 60, and the display position information of each product in the store and each transmission according to the store information and the product information transmitted from the mobile phone 20. While transmitting the installation location information of the department to the mobile phone 20,
The ID information of the target product is transmitted to the mobile phone 20 in the store.

The transmitter 11-n is composed of a memory 11a for storing ID information and a transmitter 11b for reading the ID information from the memory 11a and transmitting the ID information by a predetermined weak radio wave (short-range radio signal). It has a transmission area for an area near the place. The ID information is unique to each transmitter, and is represented by, for example, a character string “A001” that is a combination of alphabets and numbers, and the transmitter 11-n can be identified by this ID information.
Each transmitting unit allows the mobile phone 20 to receive at least one or more ID information at any place in the store.
It is installed according to the transmission area. In addition, the weak radio wave uses a frequency different from the frequency of wireless communication used between the mobile phone 20 and the base station 50, so that the mobile phone 20
Interference with wireless communication due to normal use of can be prevented.

In the present embodiment, the transmitter 11-n is provided with a power generating means (not shown) for receiving an electromagnetic wave (radio signal) transmitted from the mobile phone 20 and converting the signal into electric power for operation. A transmission operation is performed using this electric power. As a result, when the battery is used, it is possible to replace the battery or use the power (AC
(100 V) Maintenance such as backup for power failure during use becomes unnecessary, and the burden on the system administrator is reduced. Further, since the transmitter 11-n transmits the ID information only when the radio wave from the mobile phone 20 is received, the influence of an erroneous operation on other devices (for example, a medical device such as a pacemaker) due to the transmission of unnecessary radio waves is reduced. can do.

As shown in FIG. 3, the transmitter position database 12 is associated with a store name 65, a store code 66, and ID information 72, and the transmitter unit 11- installed in each store.
The installation location information 71 indicating the installation location of n is stored.
For example, as shown in FIG. 4, the product position database 13 stores display position information 81 indicating the display position of the product in each store in association with the store name 65, the store code 66, and the JAN code 64.

The above position information is coordinate values,
It is associated with the coordinate system set for each store. Figure 5
Is a diagram showing an example of a coordinate system set for each store, in which one vertex 91 of a figure 90 showing the region of the store is set as a reference point (X,
The coordinate system is set such that Y) = (0,0), the distance in the east-west direction from the reference point is X (cm), and the distance in the north-south direction is Y (cm). For example, the coordinates (X, Y) of the installation position information 71 of the transmitter 92 = (510, 920), the coordinates (X, Y) of the display position information 81 of the product 93 = (400,
520). In the present embodiment, the display position information 8
1, position information (coordinate values) of graphics corresponding to, for example, product display shelves, stairs, etc. in the store is added, and by displaying those graphic information together with the display position information of products on the mobile phone 20, It is possible to present the user 20a with navigation information having an image closer to that of an actual store.

The control unit 14 controls each unit of the navigation information providing system 10 to extract the display position information of the product from the product position database 13 based on the JAN code 64 transmitted from the mobile phone 20, It has a function of extracting the installation position information of the transmission unit 11-n from the transmission unit position database 12, and a function of transmitting each extracted position information to the mobile phone 20. In the present embodiment, the control unit 14 controls the JAN transmitted from the mobile phone 20.
Based on the code 64, it has a function of accessing a predetermined inventory management system (not shown) that is communicatively connected, checking inventory information of the product, and transmitting the inventory information to the mobile phone 20. Therefore, by displaying the inventory information on the mobile terminal 20, the user 20a can confirm whether the product is in stock. Further, a specific telephone number is assigned to the navigation information providing system 10, and it can be accessed by dialing the specific telephone number from the mobile phone 20. Further, each unit of the navigation information providing system 10 except the transmitting unit 11-n can configure a server device such as a workstation. In this case, the functions of the control unit 14 and the communication control unit 15 are that the programs (not shown) for realizing those functions are loaded into the memory in the server device, and the CPU
It is realized by executing it in a (central processing unit), and each of the databases 12 and 13 is a nonvolatile memory such as a hard disk device, a magneto-optical disk device, a flash memory in a server device, or a RAM (Random Access).
Memory).

The mobile phone 20 includes control means (current position calculation means, navigation information generation means, identification information reception means, product information transmission means, position information reception means, inventory information reception means, store information transmission means) 21, installation position. A memory 22 for storing various kinds of data such as the information 71, the display position information 81, a telephone number, a transmitting / receiving means 23 for transmitting / receiving a wireless signal from the antenna 23a, a modulation / demodulation of various data signals and voice signals from the wireless signal transmitted / received by the transmitting / receiving means 23. Signal processing means 24, JAN code 64, input means 25 consisting of numeric keys for inputting telephone numbers, etc., display means 26 for displaying navigation information, inventory information, telephone numbers, mails, etc., and signal processing means 24 for demodulation. It is composed of a speaker 27 that outputs a voice and an incoming melody and a microphone 28 that inputs a voice. . The mobile phone 20 normally operates as a telephone by wireless communication, but a detailed description of this operation will be omitted.

The control means 21 controls each part of the mobile phone 20 to receive the ID information transmitted from each transmission part 11-n, and the JAN code 64 input from the user 20a via the input means 25. To the navigation information providing system 10, the display position information of the products in a predetermined store transmitted from the navigation information providing system 10, and the transmitting units 11- installed in the store.
n function of receiving the installation position information, a function of calculating the current position information based on the ID information and the installation position information, a comparison of the current position information and the display position information, and from the current position to the display position of the product. It has a function of generating navigation information and a function of displaying the navigation information so that the navigation information can be browsed via the display means 26. Each function of the control means 11 is, for example, a memory and a CPU (central processing unit).
By loading a program (not shown) for realizing each function of the control means 11 into the memory and executing the program, the function can be realized.

Next, the operation of the navigation system according to this embodiment will be described with reference to FIGS.
First, when the user 20a presses a predetermined key from the input unit 25 (step S1 in FIG. 6), the control unit 21 switches the function of the mobile phone 20 from the normal telephone function to activate the navigation function of this system, Display means 2
A predetermined input screen is displayed on 6 (step S2). When the user 20a inputs the JAN code 64 and the specific store code 66 of the product selected from the products displayed in the insert advertisement 60 on the displayed input screen (step S3),
The control means 21 makes a call to a specific telephone number to make a communication connection with the navigation information providing system 10 and enter the entered J number.
The AN code and the 64 store code 66 are transmitted (step S4). If the JAN code 64 of the advertisement 60 is posted by a bar code and the input means 25 is provided with a bar code reader function, the user 20a can easily input the JAN code by the bar code reader.
It is possible to reduce human input mistakes as compared with the case of inputting two numbers.

The control unit 14 accesses the S supermarket inventory management device based on the JAN code 64 and the specific store code 66 of the transmitted product, and confirms the stock of the product (step S5) to check whether the product is in stock. The data is transmitted to the mobile phone 20 (step S6). This inventory confirmation result is the control means 2
1 is displayed on the display means 26 (step S7).
If there is no stock in step S5, the control unit 14
May check the inventory of products in other stores and send the result to the mobile phone 20. This allows user 2
It is possible to present a store in which goods are in stock to 0a.

When the user 20a confirms that the product is in stock and instructs the confirmation OK from the input means 25 (step S8), the control means 21 issues a request for using the information necessary for the navigation of the product to the navigation information providing system. At the same time, the JAN code 64 and the shop code 66 input are stored in the memory 22 (step S9). The control unit 14 transmits an acceptance confirmation notification to the mobile phone 20 in response to the transmitted usage request (step S).
10). The control means 21 receives the acceptance confirmation notification and disconnects the communication connection with the navigation information providing system 10 (step S11).

Here, the user 20a carries the mobile phone 20 to the specific store. The control unit 14
Based on the usage request from the mobile phone 20, the stock information of the product is confirmed at a predetermined timing, and when the stock is exhausted, the stock information is sent to the mobile phone 20 based on the history information of the communication connection, and a notification to that effect is given. Good to do. This allows the user 20a to know that the product has been sold out while heading to the store, and can return to the store on the way or change the destination to another store if there is inventory. .

When the user 20a presses a predetermined key when arriving at the store (step S21 in FIG. 7), the control means 21
Activates the navigation function to establish a communication connection with the navigation information providing system 10 (step S22). Then, the JAN code 64 and the store code 66 stored in the memory 22 are read (step S23) and transmitted to the navigation information providing system 10 (step S2).
4). The control unit 14 stores the installation position information 71 of the transmission unit 11-n and the product display position information 81 corresponding to the transmitted JAN code 64 and store code 66 in each database 12,
It is extracted from 13 (step S25) and transmitted to the mobile phone 20 (step S26). Based on the coordinate data of the transmitted display position information 81, the control means 21 displays the display position of the merchandise on the display means 26 together with the figure showing the store layout such as display shelves and stairs (step S27).
On the other hand, the installation position information 71 is stored in the memory 22 (step S28).

Next, when the user 20a who has entered the store presses a predetermined key, the control means 21 starts navigation (step S31 in FIG. 8) and transmits a weak radio wave to each transmitter 11-n (step S31). S32). Each transmitter 1
1-n is activated by receiving a weak radio wave from the mobile phone 20 (step S33) and transmits ID information (step S).
34). When the mobile phone 20 enters the transmission area of the transmission unit 11-n, the control means 21 receives the ID information of the transmission unit (step S35). Then, the control means 21 searches the installation position information 71 stored in the memory 22 to acquire the installation position information 71 of the transmitter 11-n corresponding to the received ID information (step S36), and the coordinate data thereof. Is displayed on the display means 26 as the current position (step S3).
7). When the control means 21 receives two or more pieces of ID information at the same time in step S35, the midpoint of the coordinates is adopted as the current position.

Further, the control means 21 compares the X and Y values of the coordinates of the current position with the coordinates of the display position of the displayed product to calculate a vector for the display position of the product from the current position (step S38), an arrow in the direction indicated by the vector is added to the current position and displayed on the display means 26 (step S39). The user 20a goes through the store according to the direction of the arrow displayed on the terminal and aims at the display position of the product. After that, the operations of steps S32 to S39 are repeated and the display is updated. Then, when the coordinates of the current position coincide with the coordinates of the display position of the product, or when the coordinates of the current position fall within a predetermined range of the coordinates of the display position of the product (step S40), the control means 21 indicates that the product has arrived. Is displayed to end the navigation (step S4)
1). The user 20a actually confirms the product on the display shelf based on the arrival information displayed on the terminal.

FIG. 9 is a view exemplifying a mode of the navigation screen displayed on the display means 26. Reference numeral 100 is the outer shape of the store, 101 to 104 are display shelves in the store, 105 is a staircase, 110 is the current position, and 120 is the present position. Is the display position of the product, 13
0 is an arrow indicating the direction from the current position 110 to the product display position 120. User 2 during navigation
The display of the current position 110 and the arrow 130 is updated at any time according to the progress of 0a (mobile phone 20) (FIG. 9A). When the user 20a arrives at the place of the product, the current position 110 and the display position 120 of the product are displayed in an overlapping manner, and a message 140 indicating the arrival is displayed (FIG. 9 (b)).

In the above embodiment, the case where the communication terminal is a mobile phone has been described.
It may be a portable terminal called (Personal Digital Assistants). In this case, the display screen is larger than a mobile phone and more information can be displayed at one time. The navigation information can be presented to the user of the terminal so that it is easier to see.

Further, the navigation information is divided into a plurality of pages and displayed, and the pages are automatically switched and displayed in accordance with the progress of the user. It is possible to present the navigation information to the user of the terminal without the display screen being crushed and difficult to see.

Further, the communication terminal may further calculate the moving direction of the communication terminal from the latest current position information and the latest current position information and display the direction. As a result, the current direction of travel is displayed on the terminal along with the direction of the display position of the product, so that the user can easily know whether he or she is correctly moving toward the product and can go in the wrong direction. Can be prevented in advance, and the product display location can be reached more quickly.

Further, the navigation information providing system stores the location information of the store (for example, latitude and longitude) according to the store information.
To the communication terminal and the GPS (Glob
al Positioning System) A function to calculate the current position (for example, latitude and longitude) based on the positioning information from the satellite and to perform navigation to the destination (latitude and longitude) is sent from the navigation information providing system. If the location of a store is set as the destination, the navigation information for that store is displayed on the terminal, so that the user of the terminal can head to the target store without hesitation based on the displayed navigation information.

[0045]

As described above, according to the navigation information providing system of the present invention, the transmitting unit transmits the identification information to the near area, so that the communication terminal in the near area receives the identification information. . On the other hand, when the product information is received from the communication terminal, the control unit transmits the display position information of the product corresponding to the product information and the installation position information of the transmission unit to the communication terminal. The current position information can be calculated from the above, and the navigation information from the current position to the display position of the product can be generated by comparing the current position information with the display position information. Therefore, by displaying the generated navigation information on the terminal, the user having the communication terminal can be navigated to the display position of the product, and the user does not know the display place of the product even in the first store or a large-scale store. You can easily find the desired product without hesitation.

Further, in the navigation information providing system of the present invention, if the control unit transmits the inventory information of the product in the predetermined store to the communication terminal in accordance with the product information, the communication terminal will provide the predetermined information based on the product information. It becomes possible to display the inventory information of the products in the store on the terminal, the user can know in advance whether the desired product is in stock,
You will not suffer the disadvantage of going to a store without knowing that the product is sold out.

Further, in the navigation information providing system of the present invention, if the control unit confirms the stock of the product in the store corresponding to the store information transmitted from the communication terminal,
With the communication terminal, it becomes possible to display on the terminal the inventory information of the product in a specific store according to the store information, and even if the user handles the desired product in multiple stores, You can check inventory quickly.

Further, in the navigation information providing system of the present invention, when the control unit does not have the stock of the product in a specific store, if the stock of the product in another store is confirmed, the communication terminal transmits the store information. When there is no product in stock at this store, it becomes possible to display the inventory information of products in other stores on the terminal, and even if the user does not have the desired product in stock at the nearest store, the user can store the product in other stores. It is possible to easily check the presence or absence of the stock in the item, and if the item is in stock in another store, it is possible to go to the store and purchase the product.

Further, in the navigation information providing system of the present invention, since the control unit transmits the position information of the store to the communication terminal, the communication terminal can display the position information of the store on the terminal, and the user can use the terminal. According to the location information of the store displayed above, it is possible to easily reach the store without hesitation even at the first store.

Further, according to the communication terminal of the present invention, the identification information receiving means receives the identification information from the transmitter. On the other hand, when the product information transmitting means transmits the product information input by the input means to the control unit, the position information receiving unit receives the display position information of the product and the installation position information of the transmitting unit, and the current position calculating unit transmits The current position information is calculated from the identification information received from the department and the installation position information received from the position information receiving means, and the navigation information generating means compares the current position information with the display position information to display the products from the current position. Generate navigation information to a location. Since the display means displays the generated navigation information on the terminal, the user having the communication terminal can navigate to the display position of the product. Therefore, the user can easily find a desired product without hesitation even in a first store or a large-scale store where the display location of the product is unknown.

Further, in the communication terminal of the present invention, if the stock information receiving means receives the stock information of the product based on the product information and the display means displays the stock information of the product on the terminal, the user can obtain the desired information in advance. It is possible to know whether or not a product is in stock, and it is possible to avoid the disadvantage of going to a store without knowing that the product is sold out.

Further, in the communication terminal of the present invention, when there are a plurality of stores, the store information transmitting means transmits the store information in addition to the product information, and the stock information receiving means stores the stock information of the products in the store corresponding to the store information. By displaying the inventory information received by the display means on the terminal, the user can quickly confirm the inventory of the product at the nearest store even when the desired product is handled at a plurality of stores. .

Further, in the communication terminal of the present invention, the second current position calculating means calculates the current position information based on the positioning information from the satellite, while the store position receiving means receives the position information of the store, If the second navigation information generating means compares the current position information with the position information of the store, generates navigation information from the current position to the position of the store, and the display means displays the generated navigation information on the terminal. A user having a communication terminal can be navigated to a store, and the user can easily go to the store without hesitation even at the first store.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a navigation system according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of content posted in a folding advertisement.

FIG. 3 is a diagram showing an example of data in a transmitter position database 12.

FIG. 4 is a diagram showing an example of data in a product position database 13.

FIG. 5 is a diagram showing an example of a coordinate system set for each store.

FIG. 6 is a sequence diagram showing the operation of this embodiment.

FIG. 7 is a diagram following FIG. 6;

FIG. 8 is a view following FIG. 7.

FIG. 9 is a diagram showing an example of a navigation screen.

[Explanation of symbols]

10 Navigation Information Providing System 11-n (n = 1, 2, ...) Transmitter 12 Transmitter Position Database 13 Product Position Database 14 Control Unit 20 Communication Terminal 21 Control Means (Identification Information Receiving Means, Product Information Sending Means, Position information receiving means, current position calculating means, navigation information generating means, inventory information receiving means, store information transmitting means, second current position calculating means, second navigation information generating means) 25 input means 26 display means 64 JAN code (Product information) 66 Store code (Store information) 71 Installation position information 81 Display position information

Claims (9)

[Claims] 1. A plurality of transmitters installed in a store and transmitting identification information to a communication terminal existing in a nearby area, a transmitter position database storing installation position information of the transmitters, and a transmitter in the store. A product position database that stores display position information of the product, and based on the product information transmitted from the communication terminal, the display position information of the corresponding product is extracted from the product position database, and the installation position information of the transmitter is also included. And a control unit for transmitting each position information to the communication terminal, the navigation information providing system. 2. The navigation information according to claim 1, wherein the control unit confirms the inventory of the product in a predetermined store based on the product information and transmits the inventory information to the communication terminal. Offer system. 3. The control unit, when there are a plurality of stores, further confirms the inventory of the product in the corresponding store based on the store information transmitted from the communication terminal. Navigation information providing system described. 4. The navigation information providing system according to claim 3, wherein the control unit confirms the inventory of the product in another store when the inventory is not available as a result of the inventory confirmation. . 5. The navigation information providing system according to claim 1, wherein the control unit transmits store position information indicating a position of the store to the communication terminal. 6. An identification information receiving unit that receives identification information from a transmission unit installed in a store, an input unit that inputs product information, and the product information input by the input unit is transmitted to a control unit that is communicatively connected. Product information transmitting means, position information receiving means for receiving display position information of products in a store based on the product information and installation position information of the transmitting part, identification information received from the transmitting part and the position information receiving means The current position calculation means for calculating the current position information based on the installation position information of the transmission unit received from the display device and the calculated current position information and the received display position information are compared to display the product from the current position. A navigation information generating means for generating navigation information to a position and a display means for displaying the generated navigation information in a viewable manner are provided. Characteristic communication terminal. 7. The inventory information receiving means for receiving inventory information of a product based on the product information, wherein the display means displays the received inventory information in a viewable manner. The described communication terminal. 8. When there are a plurality of stores, a store information transmitting unit that transmits store information in addition to the product information is provided, and the inventory information receiving unit is the inventory information of the product based on the store information and the product information. The communication terminal according to claim 7, wherein the communication terminal receives. 9. A second present position calculating means for calculating present position information based on positioning information transmitted from a satellite, a store position receiving means for receiving store position information, and the second present position calculation. A second navigation information generation unit that compares the current position information calculated by the means with the received position information of the store to generate navigation information from the current position to the position of the store. The communication terminal according to any one of claims 6 to 8.