JP2003102063A - Wireless communication device and method for notifying access of other mobile wireless communication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem of a conventional wireless communication device that cannot have simply confirmed it when a mobile device such as a mobile information terminal moves from an out-zone to an in-zone being a communication available area in the case that an opposite party of wireless communication is the mobile device and a wireless communication network is built up. SOLUTION: The wireless communication device (personal computer) 1 of this invention is provided with a means for designating a wireless communication device for conducting wireless communication and informing a user about movement of the designated wireless communication device into a zone of the communication available area when detecting the designated wireless communication device moves from the out-zone of the communication available area into the in-zone. Through the configuration above, when the wireless communication device of the opposite party moves within the communication available zone, the wireless communication device of this invention can quickly and easily recognize the wireless communication state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an approach notification method for a wireless communication device and another wireless communication device, and more particularly to a wireless communication network for wireless communication devices equipped with the same wireless communication interface (for example, Bluetooth). The present invention relates to a method for automatically notifying that a wireless communication device for constructing a network and another wireless communication device for constructing the network are approaching.

[0002]

2. Description of the Related Art Conventionally, a wireless LAN is known as a technology for forming a wireless communication network between wireless communication devices. This wireless LAN realizes wireless communication by using infrared rays or radio waves instead of cables.

In recent years, Bluetooh which enables various wireless communication devices to be wirelessly connected using the 2.4 GHz band
Short-distance wireless communication technology called “A” is drawing attention. For example, each person in a company has a personal computer equipped with a Bluetooth interface or a portable information device (PDA).
Etc.) is used to form a wireless communication network so that information can be transmitted and received.

In the future, any wireless communication device such as a personal computer, a portable information device (PDA), a mobile phone, a digital camera or a printer used in a company or a home will be equipped with an interface for realizing wireless communication. It is considered to be one.

However, in wireless communication technology such as Bluetooth,
There is a limit to the distance that radio waves can reach, and communication cannot be performed unless the wireless communication device that is the communication partner is present within a communicable range.

In such a wireless communication system, each of the wireless communication devices forming the wireless communication network is mainly a small and lightweight portable terminal such as a PC, a PDA, a mobile phone and a digital camera. Therefore, the installation of wireless communication devices is not fixed as in the past, and it is often assumed that the wireless communication devices are always carried around and moved.Therefore, all wireless communication devices that can form a network are necessarily within the communicable range. Not necessarily.

Therefore, as a means for distinguishing the wireless communication device of the other party who is connected by wireless connection from the other wireless communication device which is not wirelessly connected, the wireless communication device of the other party who is wirelessly connected is identified. A method of lighting an LED has been considered.

Further, as disclosed in Japanese Unexamined Patent Publication No. 2001-45029, in the wireless local network, is there another device providing a specific service in the vicinity (for example, in the same room? Is also proposed.

[0009]

However, in these methods, when the communication partner is a portable electronic device, there is a possibility of going back and forth between within and outside the communicable area. , It is not possible to confirm when the wireless communication device of the other party who is wirelessly connected moves from outside the communicable area to within the communicable area. That is, even when the wireless communication device forming the wireless communication network moves within the range where the radio waves reach, the state cannot be confirmed each time.

For this reason, the user who performs wireless communication must always pay attention to when the other party's wireless communication device moves out of the area where the wireless communication device can communicate, Confirming it has never been easier.

The present invention has been made to solve the above problem, and when a portable wireless communication device as a partner of wireless communication for constructing a wireless communication network moves into a communicable range, the portable type An object of the present invention is to provide a wireless communication device and a method of notifying the approach of another wireless communication device that can quickly and easily recognize that the wireless communication device has become capable of wireless communication.

[0012]

In a wireless communication device according to the present invention, a communication means for performing wireless communication with another portable wireless communication device and a portable wireless communication device for performing wireless communication with this communication device. Specifying means for specifying, a detecting means for detecting that the portable wireless communication device specified by the specifying means has moved from outside the communicable area of the communication means to within the communicable area, and detecting the detecting means. In response to the operation, a notification means is provided for notifying that the portable wireless communication device designated by the designation means has moved into a communicable area.

Further, in the approach notification method for another wireless communication device according to the present invention, a wireless communication device that performs wireless communication with another portable wireless communication device, Designate and detect whether or not the specified portable wireless communication device is within the communicable area, and in this detection operation, communication can be performed from outside the communicable area of the portable wireless communication device. When it is detected that the designated wireless communication device has moved into the range of a normal area, the fact that the designated wireless communication device has moved into the range where communication can be performed is notified.

That is, in the approach notification method for a wireless communication device and another wireless communication device according to the present invention, the user moves from outside the range in which the wireless communication device as a partner of wireless communication can perform wireless communication to within the range. In this case, the existence of the wireless communication device can be recognized quickly and easily.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

First, the concept of the radio communication system according to the embodiment of the present invention will be described with reference to FIG.

This system shows an example in which a personal computer (hereinafter referred to as a personal computer) 1 to 3 constitutes a wireless communication system. These personal computers 1
3 to 3 each have a wireless communication function (interface) of Bluetooth, which form a wireless communication network (piconet) 4 and can perform short-distance wireless communication ad hoc with each other.

Of the personal computers 1 to 3, the personal computer 1 is
It operates as a master to manage the piconet of the Bluetooth system and controls the other personal computers 2 and 3. On the other hand, the personal computers 2 and 3 operate as slaves and are controlled by the personal computer 2 that is a master.

The personal computer 1 has a Bluetooth inside the main body.
The wireless communication function is provided, and wireless communication is performed via the antenna unit 5. In addition, in FIG.
A PC card 8 having a Bluetooth wireless communication function is inserted into a slot of the main body, and wireless communication is performed via an antenna unit 5 provided in this PC card 8.

Each of the personal computers 1 to 3 is provided with an LED (Light Emitting Diode) 6 which is a light emitting element and a buzzer 7 which is a sound generator. The LED 6 and the buzzer 7 are used to indicate the position where the personal computer is located when the personal computer is within the wireless communicable area to the user of another personal computer.

Further, each personal computer has a display 9
Is provided for displaying data to be processed on each personal computer and displaying various setting screens, and the user performs various operation settings while viewing this screen.

Next, the internal structure of the personal computer 1 shown in FIG. 1 will be described with reference to FIG.

This personal computer 1 has an engine portion 11 and a blue
A tooth wireless unit 12 and a power supply unit 13 are provided.

The engine section 11 is for controlling the entire personal computer 1, and has a CPU 21. The CPU 21 controls the entire device, and the bus 2
EE for recording various setting information of the personal computer 1 via 6
It is connected to the PROM 22.

The CPU 21 is also connected to a CPU bus / PCI bus bridge 25 via a CPU bus 27. The CPU bus / PCI bus bridge 25 is connected to the DRAM 23 via the memory bus 28, and is further connected to the flash memory 24 via the memory bus 29.

This CPU bus / PCI bus bridge 25
Serves as an interface bridge between the CPU bus 27 and the PCI bus 41. In addition, DRAM2
3 has a function of a work memory of the CPU 21, and the flash memory 24 stores a program executed by the CPU 21.

The CPU bus / PCI bus bridge 25 is
The display controller 31 is connected to the display controller 31 via the bus 30.
It is connected to the CD 33, and the display controller 31 controls the display of the LCD 33.

The PCI bus 41 is a PCI / ISA (Peri
pheral Component Interconnect / Industry Standard
Architecture) bridge 42 to the ISA bus 43. The PCI bus 41 is connected to the Bluetooth wireless unit 12 via the USB host controller 46, and the USB interface 44 is also provided.
It is connected to the. Further, a USB connector 45 for connecting a peripheral device is connected to the USB interface 44. With this configuration, the USB host controller 46 is connected to the USB connector 45 so as to pass through the USB interface 44. Data can be exchanged with external information equipment.

The Bluetooth radio unit 12 is connected to the USB host controller 46 and controls a baseband LSI 51 for controlling the radio function of Bluetooth.
A flash memory 52 storing a program executed by I51, an antenna 54, and an R for controlling a high frequency signal between the baseband LSI 51 and the antenna 54.
And an F portion 53. Further, a crystal oscillator 55 is connected to the RF unit 53.

Further, the power supply unit 13 is connected to the PCI bus 41. The power supply unit 13 includes a PCI bus 41
A power supply controller 71 connected to the power supply controller 71 and a power supply control circuit 73 connected to the power supply controller 71 are provided. A battery 74 and an AC input 75 are connected to the power supply control circuit 73, and when the personal computer 1 is used in a mobile environment, power is supplied by the battery 74, and in an environment in which the battery can be charged and driven by AC, Input 75
It is configured to supply power from. Further, from the battery 74 and the AC input 75, the engine unit 11, the wireless unit 12, the storage unit 15 necessary for operating the personal computer 1 are provided.
Is supplied with electricity.

The PCI bus 41 is also connected to the IDE interface controller 61, and the IDE interface controller 61 is connected to the HDD 63 via the IDE interface 62.

On the other hand, an I / O controller 81 is connected to the ISA bus 43, and the I / O controller 81 has a button 82, a vibrator 83, and an LED 84.
And a buzzer 85 are connected. Button 82 is Bl
It is for security setting such as PIN code input of uetooth and for starting the device. The vibrator 83, the LED 84, and the buzzer 85 have a function of notifying when the wireless communication device specified by the personal computer 1 moves from outside the communicable area of the personal computer 1 to within the communicable area.

Next, referring to FIGS. 3 and 4, the personal computer 1
The communication range in will be described.

In FIG. 3, the personal computer 1 and this personal computer 1
Located within the range of Bluetooth radio waves from
The other personal computer 101 which is a device is shown. Since the personal computer 1 and the personal computer 101 can communicate with each other within a range where Bluetooth radio waves can reach, a device of the personal computer 101 can be easily found by executing an inquiry from the personal computer 1 to the personal computer 101.

On the other hand, the personal digital assistant (PDA) 102, the digital video / digital still camera 103, and the portable game machine 104 are the bluetoot from the personal computer 1.
h It is in a position where radio waves cannot reach. Therefore, it is impossible to communicate with the personal computer 1, and the personal computer 1 is used to connect the PDA 102, the camera 103, and the game machine 10.
Even if the search (Inquiry) of 4 is executed, these wireless communication devices cannot be found.

On the other hand, FIG. 4 shows a case where the PDA 102 moves from the range where the radio wave of the personal computer 1 does not reach to the range where the radio wave reaches. PDA 102 is PC 1
PC1 and PDA102 when the radio wave reaches
Since it is possible to communicate with each other, PC 1 to PDA
When the inquiry (Inquiry) of 102 is executed, the PDA 102
Will be able to find the device.

Now, a method of searching (Inquiry) executed by the personal computer 1 will be described.

The personal computer 1 follows the instruction from the user.
The wireless communication device of the communication partner desired by the user (here,
A signal (a signal for searching for a communication partner) for inquiring whether the PDA 102 (which is assumed to be the PDA 102) exists within a wireless communication range is transmitted to the PDA 102 that should be the communication partner (inquiry scanning).

On the other hand, the PDA 102, which is the target of the inquiry as to whether or not the communication area is within the communication area, responds to the inquiry signal (inquiry response) if the PDA 102 is within the communication area. As a result, the personal computer 1 can confirm that the PDA 102 designated by the user is present in the area. In this case, the personal computer 1 sends a signal indicating a link request to the PDA 102 (performs page scan), and the PD
A102 transmits a response signal to the link request signal transmitted from the personal computer 1 (Page response).
As a result, the personal computer 1 and the PDA 102 can mutually form a wireless communication network.

When the PDA 102 is not in the service area, there is no response to this inquiry signal, and the personal computer 1 confirms this state to confirm that the PDA 102 is not in the service area. Detect.

Based on these detection operations, the personal computer 1
Can confirm whether or not the PDA 102 is present within its communication area.

Next, the personal computer 1 according to the embodiment of the present invention
An example of the screen display of FIG. 5 is shown in FIG.

FIG. 5A shows an example when a screen display for designating a Bluetooth device to be notified when the user moves into the communication area is started. The Bluetooth device name (A) and the Bluetooth address (B) are shown. A menu for entering each is displayed. In this menu display, the user can specify one or both of the Bluetooth device name (A) and the Bluetooth address (B). The user confirms the specified Bluetooth device by clicking the registration icon 201 after inputting the Bluetooth device name (A) and the Bluetooth address (B).

FIG. 5B shows a state in which a Bluetooth device to be notified is input and the registration device 201 confirms the Bluetooth device. Blueto in column 1
oth device name (PDA-A), in the columns of 2, Bluetooth device name (PC-B) and Bluetooth address (00
-11-22-33-44-55) are both specified.

When it is desired to specify three or more wireless communication devices on this display screen, the add icon 20
By selecting 3, it is possible to input the 4th and subsequent Bleutooth devices.

Next, an example of the screen display of the personal computer 1 is shown in FIG.
The method of selecting the notification method when the Bluetooth device designated by the personal computer 1 moves within the communication area of the personal computer 1 will be described.

FIG. 6A shows an example in which a screen display for selecting a notification method when the specified Bluetooth device has moved to the communication area of the personal computer 1 is started, and a pop-up display, a vibrator, a screen change, an LED are displayed. , A state in which a menu for selecting a notification method from the buzzer is displayed.

When the pop-up display is selected, when the designated Bluetooth device moves to the communication area, the notification is made by displaying the Bluetooth device icon on the display of the personal computer 1. Also, when the vibrator function is selected, the specified Bluetooth
PC 1 when the device moves to the communication area
Is notified by vibrating (the vibrator 83 shown in FIG. 2 is activated). Furthermore, when LED or buzzer is selected, when the specified Bluetooth device moves to the communication area, the LED of the personal computer 1 shown in FIG.
It is possible to recognize that the designated Bluetooth device has moved to the communication area by operating 84 and the buzzer 85.

As a concrete selecting operation, for example, when selecting a pop-up display, as shown in FIG.
It is possible to select a pop-up display with a Bluetooth device name (character) or a pop-up display with a Bluetooth device icon (pictogram).

The user selects the notification method by clicking the circle indicating the desired notification method displayed on the display of the personal computer 1, and along with this selection operation, as shown in FIG. 6B, the selection is made. Mark is highlighted. This figure shows the case where the popup display with the Bluetooth device icon (pictogram) is selected.
The user can see the selected device.

Next, an example of the screen display of the personal computer 1 is shown in FIG. 7, and the notification when the Bluetooth device designated by the personal computer 1 has moved into the communication area of the personal computer 1 (range within which the Bluetooth radio wave can reach) A specific example of the method will be described.

In FIG. 7A, the Bluetooth of the personal computer 1
It is confirmed by a search (Inquiry) that only the personal computer 301 exists in the communication area of the personal computer 1 when the application program for personal computer is activated, and as a result, the personal computer 301 is displayed on the display screen of the personal computer 1.
A device icon (pictogram) indicating is displayed.

In such a state, when the personal computer 1 moves to the range of the communication area, P is used as a notification target.
If DA 302 is selected, this PDA 302
, If it moves from outside the communication area of the PC 1 (outside the range of Bluetooth radio waves) to within the communication area of the PC 1 (inside the range of Bluetooth radio waves), the PC 1 searches for it ( Inquiry)
As shown in FIG. 7B, the display screen of the personal computer 1
A Bluetooth device icon (pictogram) indicating the PDA 302 is pop-up displayed. In FIG. 7B, the Bluetooth device icon (pictogram) displayed in a pop-up is highlighted for easy identification.

This display allows the user to specify Bl
It is possible to automatically and easily visually confirm that the uetooth device (PDA 302) has changed from the incommunicable state to the communicable state.

Incidentally, in FIGS. 7A and 7B, the Bluetoot
As an example of the application program for h, a menu bar & toolbar display area 310 at the top of the display screen,
The service & profile 312 is displayed on the left side of the display screen.

The personal computer 1 according to the embodiment of the present invention has a function of notifying the designated Bluetooth device at the moment when it moves to the communicable area of the personal computer 1. That is, in this personal computer 1, no matter what application program is being executed on the personal computer 1, if the specified Bluetooth device moves within the range of the radio wave of the personal computer 1, the Can be notified. The specific operation will be described with reference to FIG.

In FIG. 8A, the word processor software is being started on the personal computer 1, and the flowchart is created by this word processor software. In this state, for example, the PDA 302 designated by the personal computer 1 becomes
8 (b) when moving to the range of the radio wave of
As shown in FIG. 3, a pop-up display is made by the Bluetooth device icon (pictogram) 320 indicating the PDA 302 on the display of the personal computer 1 which is creating a document by word processing software. In this pop-up display, the pop-up-displayed icon 320 is highlighted so that the user can easily identify it.

Similarly, in FIG. 9, the fact that the PDA 302 has moved to the range of the radio wave of the personal computer 1 is indicated by Bluetooth.
This is an example of pop-up display (reverse display) by the device name (character) 322.

With this function, in the personal computer 1 according to the embodiment of the present invention, even if application software such as word processing software is running, Blueto specified by the user in advance is used.
It is possible to automatically and easily confirm that communication with the oth device is possible at that moment.

Next, in the personal computer 1, when a wireless communication device for performing wireless communication moves from outside the wireless communication area of the personal computer 1 (range where radio waves do not reach) to within the wireless communication area (range where radio waves reach), A specific operation method for notifying it will be described with reference to the flowchart of FIG.

First, the personal computer 1 uses Bl that requires notification.
An input screen for specifying the uetooth device (see FIG. 5A) is displayed (s1), and the user inputs a Bluetooth device name or a Bluetooth address (both can be specified) (see FIG. 5).
By performing (b)), the wireless communication device of the other party who performs the wireless communication requiring the notification is designated (s2).

Next, in the personal computer 1, when the wireless communication device specified in s2 moves into the wireless communication area,
An input screen (Fig. 6) for selecting the method of notifying it
(See (a)) is displayed (s3), and the user selects a desired notification method on this screen (s4, see FIG. 6 (b)).

After the user selects the desired notification method, the personal computer 1 starts a search (Inquiry) as to whether or not the above-specified Bluetooth device exists in the surrounding area (range within which Bluetooth radio waves reach) (s5). .

The personal computer 1 judges whether or not there is a response as a result of the search (s6), and if there is a response, confirms the device name or the Bluetooth address of the Bluetooth device that has responded (s7). As a result of checking the device name or address, this confirmed device name or address is
If it matches the Bluetooth device specified by the user (s
8) The page scan is executed to determine whether or not there is a response from the partner Bluetooth device (s9). Opponent Blueto
When the oth device makes a page scan response (s10), a link can be established between the personal computer 1 and the partner Bluetooth device, and data can be exchanged using the Bluetooth protocol.

When there is a response from the partner Bluetooth device in the page scan, the personal computer 1 notifies the user that the Bluetooth device exists within the communicable range by the notification method specified by the user (s11, FIGS. 7 to 7). (See FIG. 9). This allows the user to confirm that the designated wireless communication device is ready for communication.

That is, in the personal computer 1 according to the embodiment of the present invention, when the wireless communication network is configured and the wireless communication device of the other party designated by the user moves from the outside of the communicable area to the inside of the area, The state is automatically notified. Therefore, the user who uses the personal computer 1 of the present invention can easily confirm that the wireless communication device specified by the user can wirelessly communicate with the wireless communication device at the moment when the wireless communication device moves. .

Therefore, when the user who performs wireless communication is first outside the area where the other party's wireless communication device can communicate, whether or not the wireless communication device has moved from outside the area where the wireless communication device can communicate to the other area. Since it is not necessary to always worry about, the processing efficiency is very good for the personal computer user.

The present invention is not limited to the above-described embodiment, but can be modified in various ways within the scope of the invention.

For example, in the above-described embodiment, when the designated wireless communication device moves from the outside of the communication area (range where Bluetooth radio waves do not reach) to the range (range where Bluetooth radio waves reach), this is notified. However, on the contrary, in the wireless communication device of the present invention, in the same manner,
When the designated wireless communication device moves from within the communication area to the outside of the communication area, it is also applicable to notify this.
As one specific example, when the specified wireless communication device moves out of the communicable area, a popup device displays a Bluetooth device name (text) or a Bluetooth device icon (pictogram), and provides guidance. It is possible to notify by indicating that the device has moved out of the communication area, such as.

In this embodiment, the case where a personal computer or a personal digital assistant (PDA) is equipped with a Bluetooth interface has been described, but the present invention is not limited to this, and instead, for example, IEEE802.11b,
It can also be applied to the case where another interface defined in IEEE802.12, IEEE802.15, etc. is installed.

[0071]

As described in detail above, according to the present invention, a wireless communication network is constructed, and the user moves from outside the area where the wireless communication device to be wirelessly communicated with is within the area where wireless communication is possible. In this case, the existence of the wireless communication device can be recognized quickly and easily.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration example of a wireless communication system according to an embodiment of the present invention.

FIG. 2 is a diagram showing an internal configuration of a wireless communication device (personal computer) that constitutes the wireless configuration system shown in FIG.

FIG. 3 is a diagram showing a relationship between a communication range of a wireless communication device and devices forming a wireless communication network.

FIG. 4 is a diagram showing a relationship between a communication area of a wireless communication device and a device forming a wireless communication network.

5 is a diagram for explaining a method for designating a wireless communication device that notifies the wireless communication device when it moves within the communication area of the wireless communication device shown in FIGS. 1 and 2. FIG.

FIG. 6 is a diagram for explaining a method of selecting a notification method when a wireless communication device designated by the wireless communication device shown in FIGS. 1 and 2 moves within a communication area.

FIG. 7 is a diagram for explaining a notification method when the wireless communication device that is a partner of wireless communication has moved within the communication area in the wireless communication devices shown in FIGS. 1 and 2;

FIG. 8 is also the wireless communication device shown in FIGS. 1 and 2,
It is a figure for demonstrating the notification method when the wireless-communications device used as a partner of wireless-communications moves into the range of a communication area.

FIG. 9 is a diagram for explaining a notification method when the wireless communication device, which is a partner of wireless communication, has moved within the communication area in the wireless communication devices shown in FIGS. 1 and 2; .

10 is a flowchart showing a specific operation method in the wireless communication device shown in FIGS. 1 and 2. FIG.

[Explanation of symbols]

1, 101 ... Personal computer 11 ... Engine part 12… Bluetooth radio section 13… Power supply 83 ... Vibrator 84 ... LED 85 ... Buzzer 102 ... Personal digital assistant (PDA) 103… Digital video / digital still camera 104… Portable game machine

Claims (11)

[Claims] 1. A communication unit for performing wireless communication with another portable wireless communication device, a designating unit for designating a portable wireless communication device for performing wireless communication with this communication unit, and a designating unit designated by this designating unit. Detecting means for detecting that the portable wireless communication device has moved from outside the communicable area of the communication means to within the communicable area, and in response to the detecting operation of the detecting means, the designating means A wireless communication device comprising: a notification unit that notifies that the portable wireless communication device specified in 1 has moved into a communicable area. 2. The display device further comprises display means for displaying information, wherein the notifying means displays the display when the portable wireless communication device designated by the detecting means has moved into a communicable area. 2. The wireless communication device according to claim 1, further comprising means for displaying the name and pictogram of the portable wireless communication device detected by the pop-up menu. 3. A display means for displaying information is further provided, wherein the notifying means displays the display when the portable wireless communication device designated by the detecting means has moved into a communicable area. 2. A means for displaying a unique code number for identifying a portable wireless communication device detected by a pop-up menu in the means.
The described wireless communication device. 4. The processing means for executing an application program different from the wireless communication by the communication means is further provided, and the notifying means moves into a range where the portable wireless communication device designated by the detecting means can communicate. 3. When the fact is detected, even if the application program is being started by the processing means, a means for notifying the detection result by interruption is provided.
The described wireless communication device. 5. The notifying means, when detecting that the portable wireless communication device designated by the detecting means has moved into a communicable area, vibrating and notifying by sound. The wireless communication device according to claim 2 or 3, further comprising means for making a notification by causing the LED to emit light. 6. The wireless communication by the communication means is Bluetooth
The wireless communication device according to claim 1, wherein the wireless communication device is based on h. 7. A wireless communication device for performing wireless communication with another portable wireless communication device, wherein a portable wireless communication device for wireless communication is designated, and the designated portable wireless communication device is designated. Detects that the mobile wireless communication device has moved from outside the communicable area to within the communicable area during this detection operation. At this time, the approach notification method for another portable wireless communication device is characterized by notifying that the specified portable wireless communication device has moved into a communicable range. 8. The name and pictogram of the portable wireless communication device detected in a pop-up menu are displayed when it is detected that the specified portable wireless communication device has moved into a communicable area. The approach notification method for another portable wireless communication device according to claim 7. 9. A unique code number for identifying the detected portable wireless communication device is displayed on a pop-up menu when it is detected that the specified portable wireless communication device has moved into a communicable area. The approach notification method for another portable wireless communication device according to claim 7, wherein. 10. When it is detected that the specified portable wireless communication device has moved into a communicable range, even if an application program different from wireless communication is running, this detection result can be interrupted. The approach notification method for another portable wireless communication device according to claim 7, wherein the notification is performed. 11. When it is detected that the designated wireless communication device has moved into a communicable area, a vibrator, a buzzer, or an L is displayed in addition to a pop-up menu display.
The approach notification method for another portable wireless communication device according to claim 8 or 9, wherein the notification is performed using ED.