JPH11150750A - Radio communication terminal equipment and radio communication method using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a radio receiver within a specific area from being inconvenient while avoiding trouble caused by bringing the radio receiver with a strong output radio wave in the area. SOLUTION: A portable telephone terminal equipment is provided with a radio circuit 3 for a strong radio wave, a radio circuit 4 for a weak radio wave, and a changeover switch 6 that selects them or the like, and when the terminal equipment enters a specific area such as a hospital where the use of a wide area portable telephone terminal with a strong output radio wave is inhibited, the function of the a radio circuit 3 for a strong radio wave is stopped and the radio circuit 4 for a weak radio wave is activated by operating the circuit 6 by the user so as to prevent the terminal from being inconvenient while avoiding adverse effect by a strong radio wave.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trouble caused by bringing a wireless device having a strong output radio wave into an area where the use of a wireless device having a strong output radio wave is prohibited (hereinafter also referred to as a specific area). The present invention relates to a wireless communication terminal and a wireless communication method using the wireless communication terminal, which prevent the convenience of a wireless device in a specific area while preventing the situation, and particularly to a system effective when applied to a mobile phone terminal and a mobile phone service.

[0002]

2. Description of the Related Art Conventionally, in order to prohibit the use of a wireless device having a strong output radio wave in a specific area, it is common practice to turn off the power or the like.

[0003]

SUMMARY OF THE INVENTION As described above, (1) Since a radio device with a strong output radio wave cannot be used in a specific area, it is necessary to carry a radio terminal with a weak output radio wave separately. (2) In particular, in the case of the mobile phone service, when the mobile phone user is not sure whether the current location is in a specific area, or when the user forgets to turn off the mobile phone terminal with a strong output radio wave, the mobile phone user is notified. Even if there is no intention to use the telephone, if there is a call to the terminal, radio waves are output from the mobile telephone terminal, which may cause an unexpected situation. Therefore, an object of the present invention is to prevent troubles caused by bringing in a wireless device having a strong output radio wave and not to hinder the convenience of the wireless device in a specific area.

[0004]

SUMMARY OF THE INVENTION In order to solve such a problem, according to the first aspect of the present invention, a function as a wide-area radio having a strong output radio wave and a function as a narrow-area radio having a low output radio wave are provided. It has both functions and can be used by switching both functions. According to the first aspect of the present invention, a wide-area wireless service network and a narrow-area wireless service network for providing services to the wireless communication terminal according to the strength and weakness of output radio waves are provided. When the service network tracks and detects that the output radio wave has been switched, the wireless communication terminal can be provided with a service by the switched radio wave (the invention of claim 2).

According to the first aspect of the present invention, a transmitter for transmitting a certain weak radio signal (specific radio wave) is installed in an area (specific area) where use of a wireless communication terminal having a strong output radio wave is prohibited. On the other hand, the wireless communication terminal is provided with a receiving means for receiving a specific radio wave, and when the radio communication terminal receives this specific radio wave, automatically switches to a function as a wireless communication terminal having a weak output radio wave. (The invention of claim 3). According to the fourth aspect of the present invention, an area (specific area) where use of a wireless communication terminal having a strong output radio wave is prohibited.
A transmitter for transmitting a certain weak radio signal (specific radio wave) is installed in the radio communication terminal, and a receiving means for receiving the specific radio wave is provided in the wireless communication terminal, and the radio communication terminal transmits the specific radio wave. Upon reception, the wide area wireless communication function is automatically disabled.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing an embodiment of the present invention, and shows an example in which a portable telephone service is provided. This is a function of the wide area mobile phone with strong output radio wave,
1 shows a portable telephone terminal that has the function of a narrow-area portable telephone terminal with a weak output radio wave and can be used by switching. That is, the portable telephone terminal is configured so that the radio circuit section 3 for the strong radio wave or the radio circuit 4 for the weak radio wave can be selected as the radio circuit section by operating the use radio wave changeover switch 6. For example, a radio circuit for a portable telephone can be used as the radio circuit 3 for strong radio waves, and a so-called PHS radio circuit can be used as the radio circuit 4 for weak radio waves.

Here, a wide area mobile phone service is usually used by using a strong radio wave. When the user operates the radio wave use switch 6, the function of the radio circuit 3 for strong radio waves is stopped, and the operation of the radio circuit 4 for weak radio waves is started. At the same time, the radio switch 2 is switched to connect the mobile phone antenna 1 to the radio circuit 4 for weak radio waves. By doing so, it is possible to make a change according to the strength of the radio wave or the strength and frequency.

FIG. 2 is a conceptual diagram showing an example of a communication method using the mobile phone shown in FIG. Now, it is assumed that the mobile phone 9 with a radio wave switching function uses a wide area type mobile phone service using strong radio waves. The mobile phone 9 normally communicates with the wide area mobile phone base stations 10 and 11 at regular intervals, and the wide area mobile phone center 12 constantly monitors and grasps which base station area the mobile phone 9 is in. ing. As a result, it is possible to connect an incoming call to the mobile phone 9 to the mobile phone 9.

[0009] Here, it is assumed that the mobile phone 9 performs an operation of switching the radio wave used. When the switching operation is performed, the mobile phone 9 is switched to a narrow-area mobile phone. The fact that the used radio wave has been switched is determined by using a radio wave to be used in the future (in this case, a weak radio wave). Notify the terminal tracking center 16. That is, the mobile phone 9 transmits a signal indicating that the mobile phone 9 newly desires to incorporate the mobile phone 9 into the narrow-area mobile phone service network by using a weak radio wave.

When the base station 13 for a narrow-area mobile phone receives the transmission radio wave desired to be incorporated, the base station 13
Notifies the narrow-area mobile phone center 15 of this fact, and the center 15 incorporates the mobile phone 9 into the narrow-area mobile phone service network. Then, when the narrow area mobile phone center 15 notifies the mobile phone terminal tracking center 16 that the mobile phone 9 has been incorporated into the narrow area mobile phone service network, the mobile phone terminal tracking center 16 sends the wide area mobile phone center. The center 12 is notified that the mobile phone 9 has shifted from the wide area mobile phone service network to the narrow area mobile phone service network. In this way, the mobile phone 9 is incorporated into a narrow area mobile phone service network, and thereafter, the mobile phone 9
Will be connected via the narrow area mobile phone service network.

FIG. 3 is a block diagram showing another example of the portable telephone terminal. In this method, a transmitter for transmitting a weak radio signal (specific radio wave) is installed in a specific area, and when the transmitter receives the signal, it automatically switches to a mobile phone terminal with a weak output radio wave (narrow area type mobile phone terminal). The present embodiment is characterized in that a switch-instruction radio-wave receiving antenna 17 and a switch-instruction radio-wave receiving circuit 18 are provided in place of the used radio switch 6 in FIG.

In the above-described configuration, when the mobile phone enters a specific area and receives a specific weak radio wave for instructing the switching of the radio wave to be used by the antenna 17 for receiving the radio wave for instructing the switching, the radio wave receiving circuit for switching instruction 18 Judges the signal, and operates the radio switch 2 to switch the radio wave to be used. In addition, in order to prevent switching to a strong radio wave immediately when the switching instruction radio wave cannot be received temporarily for some reason,
After the switching instruction radio wave receiving circuit 18 is provided with a delay circuit for securing a certain time, or once switched to a weak radio wave,
Even if the switching instruction radio wave cannot be received, it is desirable to provide a function such as not switching the radio wave as long as it is recognized that the mobile phone service network is connected to the mobile phone service network using the weak radio wave.

FIG. 4 is a conceptual diagram showing an example of a communication method using the mobile phone of FIG. Initially, it is assumed that the mobile phone 9 uses a wide area type mobile phone service using strong radio waves. Now, it is assumed that the mobile phone 9 has entered the specific area 19. A use radio wave switching instruction signal transmitting device 20 is installed in this specific area 19, and a radio wave switching instruction signal is constantly transmitted from this. Therefore, when the mobile phone 9 receives this signal, it stops using the strong radio wave connected to the wide area mobile phone base station 10 and switches to a weak radio wave to switch to the narrow area mobile phone base stations 13 and 14. Connect to

FIG. 5 is a block diagram showing still another example of the portable telephone terminal. This is an example of a mobile phone terminal that cuts off a circuit for strong radio waves used for a wide area type mobile phone service when receiving a use radio wave switching instruction signal. That is, the switching instruction radio wave receiving circuit / wireless circuit controller 21 is provided, and when it enters a specific area and receives a weak radio wave for commanding the use radio wave switching, the switching instruction radio wave receiving circuit / radio circuit controller 21 outputs the signal. Is determined, and the radio circuit for strong radio waves similar to that shown in FIG. 1 is automatically cut off.

FIG. 6 is an explanatory diagram showing an example of a communication method using the portable telephone terminal of FIG. That is, the specific area 19
Is provided with a used radio wave switching instruction signal transmitting device 20. Therefore, when the mobile phone terminal 9 as shown in FIG. 5 enters the specific area 19, the operation of the strong radio wave radio circuit similar to that shown in FIG. 1 is invalidated. Thereby, the specific area 1
9, the use of the mobile phone terminal is prohibited.
Although the case where the mobile phone service is provided has been described above, the present invention can be applied to wireless communication systems in general.

[0016]

According to the present invention, it is possible to prevent troubles caused by bringing in a wireless device having a strong output radio wave,
The advantage is obtained that the convenience of the wireless device in the specific area can be prevented from being hindered.

[Brief description of the drawings]

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

FIG. 2 is an explanatory diagram of an example of a communication method by the mobile phone terminal of FIG. 1;

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of an example of a communication method by the mobile phone terminal of FIG. 3;

FIG. 5 is a block diagram showing a third embodiment of the present invention.

6 is an explanatory diagram of an example of a communication method by the mobile phone terminal of FIG. 5;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Antenna for mobile telephones, 2 ... Radio switch, 3 ... Radio circuit for strong radio waves, 4 ... Radio circuit for weak radio waves, 5 ... Audio circuit, 6
... Used radio switch, 7 ... Speaker for voice reception, 8
… Microphone for voice transmission, 9… Mobile phone with radio wave switching function,
10, 11: Wide-area mobile phone base station, 12: Wide-area mobile phone center, 13, 14: Narrow-area mobile phone base station, 15: Narrow-area mobile phone center, 16: Mobile phone terminal tracking Center, 17: Switching instruction radio wave receiving antenna, 18: Switching instruction radio wave receiving circuit, 19: Wide area type mobile phone use prohibited area (specific area), 20: Use radio wave switching instruction signal transmitting device, 21: Switching instruction Radio wave receiving circuit and wireless circuit controller.

Claims (4)

[Claims] 1. A wireless device having both a function as a wide-area wireless device with a strong output radio wave and a function as a narrow-area wireless device with a weak output radio wave, and switching between the two functions to enable use. Communication terminal. 2. A wide-area wireless service network and a narrow-area wireless service network for providing services to the wireless communication terminal according to the strength and weakness of an output radio wave, wherein the output radio wave of the radio communication terminal is provided. 2. The wireless terminal according to claim 1, wherein when the service network detects that the switching has been performed, the wireless communication terminal can receive the service by the switched radio wave for the corresponding wireless communication terminal. Wireless communication method using the. 3. A transmitter for transmitting a weak radio signal (specific radio wave) in an area (specific area) where use of a radio communication terminal having a strong output radio wave is prohibited, and the radio communication terminal is provided. The device is provided with a receiving means for receiving a specific radio wave, and when the wireless communication terminal receives this specific radio wave,
The wireless communication method using a wireless communication terminal according to claim 1, wherein the function automatically switches to a function as a wireless communication terminal having a weak output radio wave. 4. A transmitter for transmitting a certain weak radio signal (specific radio wave) is installed in an area (specific area) where use of a radio communication terminal having a strong output radio wave is prohibited. Is provided with receiving means for receiving the specific radio wave, and when the radio communication terminal receives the specific radio wave, automatically disables a wide area type radio communication function. .