JP2003274441A - System for detecting position in building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system for detecting a position in building for easily and accurately detecting a position in a building with an inexpensive system configuration. <P>SOLUTION: The system for detecting a position in a building is provided with: a Bluetooth access point group placed in each point in a building; a position database for storing position information at each point; a mobile phone on which the Bluetooth is installed; and a mobile phone base station for utilizing the mobile phone and the Internet to relay communication with the position database, the mobile phone acquires a Bluetooth ID at a communication available access point, transmits the Bluetooth ID to the position database via the mobile phone base station and the Internet, and the position database searches position information corresponding to the Bluetooth ID and transmits the information to the mobile phone via the Internet and the mobile phone base station. <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 an in-building position detection system which is equipped with Bluetooth for wirelessly communicating a short distance and detects the current position inside a building.

[0002]

2. Description of the Related Art FIG. 7 is a block diagram showing a conventional in-building position detection system using a GPS system.
FIG. 8 is a configuration diagram showing a conventional in-building position detection system using an entrance / exit management system.

In FIG. 7, a GPS radio wave receiver 12 of a building position detection system utilizing a GPS system receives radio waves from a plurality of GPS satellites 11 and calculates a position on the earth. The owner of the GPS radio wave receiver 12 is GP
The current location can be known by looking at the display screen of the S radio wave receiver 12.

Referring to FIG. 8, a building position detection system utilizing an entrance / exit management system includes a card reader 13, an electric key door 14 and a database 17 installed in the building.
Are connected by a network, and the operation is controlled by the control device 16. When a person entering the building enters the room, the card to be carried is passed through the card reader 13. The control device 16 is
The card information recognized by the card reader 13 is compared with the card information registered in the database 17 in advance to manage who is in which room.

In addition, instead of the card reader 13, a fingerprint collation device can be installed to collate the read fingerprint with pre-registered fingerprint information to manage entry information.

In addition, a position detection system for calculating the position of the PHS using the PHS and its base station is disclosed in Japanese Patent Laid-Open No. 243456/1998.

[0007]

As described above, the conventional building position detection system using the GPS system cannot receive the radio waves from the GPS satellites 11 because the radio waves from the GPS satellites 11 do not reach the inside of the building. However, the position detection accuracy is about 100 m, and there is a problem that an accurate position cannot be known.

Further, in the in-building position detection system using the card reader 13 and the fingerprint collation device, it is necessary to register the information of the card and fingerprints in advance and the time and labor required for all the visitors of the building to carry the card. There is a problem that it does not take time and a problem that remodeling work is necessary to install an electric key for opening and closing the door corresponding to the card reader 13 and the fingerprint collation device, and the construction cost is also high. there were.

Further, the position detection system using the PHS has a problem that it can obtain an accuracy of a level of a region (several hundred meters to several kilometers) and that it cannot receive radio waves well in a building. . In addition, since it is necessary to perform in real time which base station the PHS is registered with and to manage all PHSs simultaneously in real time, there is a problem that the entire system is complicated and expensive. .

The present invention has been made to solve the above problems, and an object of the present invention is to obtain an in-building position detection system that can easily and accurately detect the position in a building with an inexpensive system configuration. To do.

[0011]

A building position detection system according to the present invention is equipped with a group of Bluetooth access points installed at each point in a building, a position database storing position information of each point, and Bluetooth. Equipped mobile phone, and a mobile phone base station that relays communication with the location database using the mobile phone and the Internet. The mobile phone accesses the access point that can communicate with from the Bluetooth access point group. The Bluetooth ID of the point is acquired, the Bluetooth ID is transmitted to the location database via the mobile phone base station and the Internet, and the location database searches for the location information corresponding to the Bluetooth ID and is transmitted via the Internet and the mobile phone base station. do it,
It is to be sent to a mobile phone.

Further, the position information stored in the position database of the in-building position detecting system according to the present invention includes map data corresponding to the Bluetooth ID, and the position database retrieves the map data and transmits it to the mobile phone. It is a thing.

Further, the mobile phone of the in-building position detecting system according to the present invention includes a destination registration means for registering a destination in the building, and the access point corresponding to the present location of the mobile phone from the group of Bluetooth access points. The Bluetooth ID obtained by accessing to and the destination and the destination are transmitted to the position database, and the position database includes route editing means for editing the route from the current location to the destination on the map, and the map data corresponding to the Bluetooth ID is included. And a character string of the destination, edit the route from the Bluetooth ID to the destination on the map data, and send it to the mobile phone.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. Hereinafter, Embodiment 1 of the present invention will be described in detail with reference to the drawings. First Embodiment FIG. 1 is a system configuration diagram showing a first embodiment of the present invention.

In FIG. 1, 1 is a building, 2 is a Bluetooth access point, 3 is a communication range of the Bluetooth access point 2, 4 is a mobile phone equipped with Bluetooth (short-range wireless communication system), and 5 is a mobile phone 4. A person who entered the building 1, a room 6 in the building, and a door 7 in the building.

Reference numeral 8 is a base station of the mobile phone 4, 9 is the Internet, and 10 is a position database.

The in-building position detecting system is provided with a Bluetooth access point 2 for wirelessly communicating a short distance at each predetermined position in the building.

A base station (mobile phone base station) 4 of a mobile phone 4 equipped with Bluetooth is provided outside the building 1, and the mobile phone 4 can access the position database 10 by the Internet 9 via the base station 8. And The mobile phone 4 is equipped with Bluetooth and is owned by the visitor 5 of the building 1.

An outline of the operation according to the first embodiment of the present invention will now be described with reference to FIG. 3 together with FIG.

In FIG. 3, the mobile phone 4 is closest to the current location (communication range 3 by the operation of the visitor 5 of the building 1).
Access point 2 (inside).

The access point 2 has a unique Bluetooth ID registered in each access point 2, and when the mobile phone 4 is accessed, the Bluetooth I
When D is transmitted and the mobile phone 4 receives the Bluetooth ID, the Bluetooth ID is transmitted to the location database 1
Send to 0.

The location database 10 retrieves the location information corresponding to the Bluetooth ID using the transmitted Bluetooth ID as a key, and transmits the retrieved location information to the mobile phone 4.

The mobile phone 4 displays the position information transmitted from the position database 10 on the screen.

Next, the contents of the position database 10 will be described with reference to the explanatory view of FIG.

In FIG. 2, the position database 10 is
Bluetooth ID registered in each access point 2
And the position information where the access point 2 is installed are registered as a pair.

Information such as the building number, building name, floor, and position on the floor of the building 1 may be registered in the position database 10 as position information.

Next, the operation according to the first embodiment will be described in detail with reference to the flow chart of FIG. 4 together with FIG.

First, when the visitor 5 gets lost in the building, or wants to know his / her current location, he / she operates his / her own mobile phone 4 (step S401).
Searches for an access point 2 with which communication can be performed (step S402).

In step S402, when there is an access point 2 with which communication is possible (that is, YES), the mobile phone 4 and the access point 2 are
The mobile phone 4 performs communication (step S403), and the mobile phone 4 communicates with the Bluetooth ID corresponding to the communication access point 2.
Is received (step S404).

Subsequently, the mobile phone 4 accesses the position database 10 via the Internet 9 via the base station 8 (step S405) and transmits the Bluetooth ID to the position database 10 (step S406).

Bluetooth ID of access point 2
The location database 10 that has received the
The corresponding position information is searched using D as a key (step S407).

The location database 10 first confirms whether or not the received Bluetooth ID is registered in the location database 10 (step S408), and if registered (ie, YES), the location corresponding to the Bluetooth ID is registered. Send information to mobile phone 4 (step S
409).

When the mobile phone 4 receives the position information, the information is displayed on the display screen of the mobile phone 4.

For example, in FIG. 2, the Bluetooth ID acquired by the access point 2 is “1000ACE
In the case of “D”, the position information obtained by searching the position database 10 is displayed as “Mitsubishi Machiya Building 2F North” on the display screen of the mobile phone 4 (step S410).

In step S408, when the Bluetooth ID is not registered in the location database 10 (that is, NO), the location database 10 transmits to the mobile phone 4 that the Bluetooth ID is not registered, and the mobile phone 4 , "The location cannot be displayed because the Bluetooth ID is not registered" is displayed on the display screen of the mobile phone 4 (step S411).

Further, in step S402, when there is no access point 2 with which the mobile phone 4 can communicate (that is, NO), the mobile phone 4 displays that "there is no access point nearby" on the display screen of the mobile phone 4. (Step S412).

In this way, by letting the visitor 5 of the building 1 own the mobile phone 4 equipped with the Bluetooth and displaying the position information of the owner (visitor 5) on the mobile phone 4, the owner (access Person 5) can know the present location.

Since the Bluetooth access point 2 is small and inexpensive, it can be easily attached to any place.

Further, in the future, in order to make the in-building information network wireless, the Bluetooth access point 2 will often be installed at the building construction stage.
Therefore, since it is not necessary to install the Bluetooth access point 2 only for the purpose of acquiring this position information, the cost is unnecessary.

Embodiment 2. In the above-described first embodiment, the character information of the current location is displayed on the Bluetooth-equipped mobile phone 4, but a map of the current location may be displayed.

FIG. 5 is an explanatory view showing the second embodiment. In FIG. 5, the same components as those described above (see FIG. 1) are designated by the same reference numerals, and detailed description thereof will be omitted.

The position database 10 also stores map data corresponding to the Bluetooth ID.

When the position database 10 receives the Bluetooth ID of the access point 2, the position database 10 retrieves the map data corresponding to the Bluetooth ID and sends it to the mobile phone 4.

When the mobile phone 4 receives the map data,
Display it on the display screen.

In this way, the owner of the mobile phone 4 (building 1
By displaying the present location of the visitor 5) in the map on the map, the present location can be easily grasped.

As shown in FIG. 5, the position of the access point 2 may be edited on the map data and displayed on the mobile phone 4 so that the local position can be easily grasped.

Embodiment 3. In the second embodiment described above, the current location is displayed on the map, but the route to the destination may be further displayed.

FIG. 6 is an explanatory view showing the third embodiment. In FIG. 6, the same components as those described above (see FIGS. 1 and 2) are designated by the same reference numerals, and detailed description thereof will be omitted.

The mobile phone 4 has a destination registration means (not shown) for registering the destination, and the position database 10 is
A route editing means (not shown) for editing the route from the current position to the destination on the map is provided. The position database 10 also stores a character string indicating the room 6 in which the access point 2 is installed, the store, or the like.

When the destination is registered and the mobile phone 4 acquires the Bluetooth ID of the access point closest to the current location, the mobile phone 4 transmits the character string of the destination and the Bluetooth ID to the position database.

When the position database 10 receives the destination character string and the Bluetooth ID, the position database 10 searches the map data corresponding to the Bluetooth ID.

Further, the position database 10 is searched using the character string of the destination as a key.

The position database edits the route from the access point 2 at the current location to the destination on the map data using the character strings of the current location and the destination, and sends it to the mobile phone 4.

When the mobile phone 4 receives the map data,
Display it on the display screen (see FIG. 6).

In this way, the owner of the mobile phone 4 (building 1
By displaying the present location of the visitor 5) and the route to the destination on a map, it becomes easy to grasp the current location and also the route.

[0056]

As described above, according to the present invention, a group of Bluetooth access points installed at each point in a building, a position database storing position information of each point, and a mobile phone equipped with Bluetooth. , A mobile phone and a mobile phone base station that relays communication with a location database using the Internet. The mobile phone accesses a communicable access point from a group of Bluetooth access points, and the Bluetooth ID of the access point. And transmits the Bluetooth ID to the location database via the mobile phone base station and the Internet.
Since the location information corresponding to D is searched and transmitted to the mobile phone via the Internet and the mobile phone base station,
There is an effect that an in-building position detection system that can easily and accurately know the current location is obtained at low cost.

Further, according to the present invention, the position information stored in the position database includes the map data corresponding to the Bluetooth ID, and the position database retrieves the map data and transmits it to the mobile phone. There is an effect that a position detection system in a building that can be easily grasped can be obtained.

Further, according to the present invention, the mobile phone is
It includes a destination registration means for registering the destination in the building, and transmits the Bluetooth ID obtained by accessing the access point corresponding to the current location of the mobile phone from the Bluetooth access point group and the destination to the location database. The position database includes route editing means for editing the route from the current location to the destination on the map, acquires the map data corresponding to the Bluetooth ID and the character string of the destination, and extracts from the Bluetooth ID on the map data. Since the route to the destination is edited and transmitted to the mobile phone, it is possible to obtain the in-building position detection system which can easily grasp the current position as well as the current position.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the first embodiment of the present invention.

FIG. 3 is an explanatory diagram showing an operation according to the first embodiment of the present invention.

FIG. 4 is a flowchart showing an operation according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a second embodiment of the present invention.

FIG. 6 is an explanatory diagram showing a third embodiment of the present invention.

FIG. 7 is a configuration diagram showing a conventional building position detection system.

FIG. 8 is a configuration diagram showing a conventional building position detection system.

[Explanation of symbols]

1 building, 2 Bluetooth access points, 3
Bluetooth access point radio range (communication range), 4 Bluetooth mobile phones, 5 building visitors (mobile phone owners), 6 building rooms,
7 Doors inside the building, 8 Mobile phone base stations, 9 Internet, 10 Location database.

Claims (3)

[Claims] 1. A group of Bluetooth access points installed at each point in a building, a position database storing position information of each point, a mobile phone equipped with Bluetooth, and using the mobile phone and the Internet. A mobile phone base station that relays communication with the location database, wherein the mobile phone accesses a communicable access point from the Bluetooth access point group to obtain a Bluetooth ID of the access point, Transmitting the Bluetooth ID to a location database via a mobile phone base station and the Internet, the location database searching for location information corresponding to the Bluetooth ID,
An in-building position detection system, which transmits to the mobile phone via the Internet and the mobile phone base station. 2. The location information stored in the location database includes map data corresponding to the Bluetooth ID, and the location database retrieves the map data and transmits the map data to the mobile phone. The in-building position detection system according to claim 1. 3. The mobile phone includes destination registration means for registering a destination in the building, and accesses and obtains the access point corresponding to the current location of the mobile phone from the Bluetooth access point group. The Bluetooth ID and the destination are transmitted to the position database, and the position database includes a route editing unit that edits a route from the current position to the destination on the map, and corresponds to the Bluetooth ID. And the map data to
The building according to claim 2, wherein a character string of the destination is acquired, a route from the Bluetooth ID to the destination is edited on the map data, and the route is transmitted to the mobile phone. Position detection system.