JP3421984B2 - Wireless communication device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication device to which an IC card can be electrically connected.

[0002]

In recent years, with the progress of telecommunications technology, wireless communication devices such as mobile phones and pagers have become widespread. One of them is I.
A mobile phone using a C card is considered. This is a SIM (Subscriber Identit) in which specific information such as a subscriber number (ID code) is stored as an IC card.
y Module) card is adopted and the SIM card is inserted into the mobile phone, whereby the call (communication) can be performed using the subscriber number of the SIM card. In this case, the above-mentioned specific information is the subscriber number, mobile station number,
It consists of location registration information, memory dial, last call time, and call history.

By the way, in the above, when the user inserts the SIM card into the mobile phone and performs a call using the subscriber number of the SIM card, for example, when a predetermined key operation is performed, the SIM is sent from the mobile phone. The card is accessed and the SI in the memory of the mobile phone is
The specific information of the M card is expanded, and the mobile phone is ready for a call.

However, in this case, since the above-mentioned specific information is composed of the various kinds of information described above,
The amount of information is relatively large, and therefore, it takes time for the specific information of the SIM card to be developed in the memory of the mobile phone, that is, it takes time for the mobile phone to be in a callable state, which is inconvenient. In addition, since serial transfer is generally performed between the mobile phone and the SIM card, this is also one of the factors that take time until the specific information of the SIM card is expanded in the memory of the mobile phone. Is.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to reduce the time required to establish a communicable state when an IC card is electrically connectable. Accordingly, it is to provide a wireless communication device having excellent usability.

[0006]

According to the invention of claim 1, the control means detects that the IC card is electrically connected, and communicates based on the specific information of the IC card. When the setting means is set to the enabled state when the setting means is set, essential information, which is essential for enabling the communication of self among the specific information, is preferentially expanded in the storage means, and communication is performed. It is made possible.

That is, when the communicable state is set, the essential information of the specific information is preferentially expanded in the storage means, so that the IC card is transferred before the communicable state. Less information is given
As a result, the time required to reach a communicable state is shortened and usability can be improved.

As described above, according to the present invention, the specific information is essential information necessary for enabling communication with itself, for example, subscriber number, mobile station number and location registration information, and an option excluding the essential information. Paying attention to the fact that it is composed of information, such as memory dial, last call time and outgoing call history, etc. It shortens and improves usability.

According to the invention of claim 2, the control means detects that the IC card is electrically connected,
In addition, when it is set to communicate based on the specific information of the IC card and the setting means is set to the invalid state, the essential information and the optional information are expanded in the storage means and the communication is performed. It is made possible.

That is, when the communication is enabled, not only the essential information of the specific information but also the option information is expanded in the storage means. Therefore, for example, the memory dial of the option information is used. In such a case, the information is not transferred by serial transfer from the IC card, but transferred by parallel transfer from the storage means, thereby improving the response speed and reducing power consumption. be able to.

Therefore, the user can shorten the time until the communicable state by setting the setting means to the valid state, while setting the setting means to the invalid state. By doing so, it is possible to improve the response speed when using the option information and reduce the power consumption.
It is possible to improve the convenience by properly setting the settings.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention is applied to a mobile phone, and a SIM (Subscriber Identifier) is used as an IC card.
An example in which an (ity module) card is adopted will be described with reference to the drawings.

First, referring to FIG. 2 showing the overall structure of a mobile phone and a SIM card, a "start" key, an "end" key,
A key operation unit 3 as a setting means including various keys such as “0” to “9” numeric keys and a “scroll” key, a display 4 for displaying a message or a telephone number, a microphone (a transmitter) ) 5 and a speaker (receiver) 6 are provided.

Further, an antenna 7 is provided on the upper surface side of the housing 2 and a slot (not shown) is provided, and the SIM card 8 is inserted into the slot. Has become. In FIG. 2, the SIM card 8
The lower part of is shown inserted into the slot.

Next, the electrical configurations of the mobile phone 1 and the SIM card 8 will be described with reference to FIG.
The control circuit 9 as a control unit is mainly composed of a microcomputer, and the control circuit 9 is connected to a voice processing unit 10, a data conversion unit 11, a transmission / reception unit 12, and a storage unit 13 as a storage unit. In addition, the key operation unit 3 and the display 4 described above are connected. The voice processing unit 10 is connected to the microphone 5 and the speaker 6 described above, and also has a data conversion unit 11
The data converter 11 is connected to the transmitter / receiver 12, and the antenna 7 described above is connected to the transmitter / receiver 12.

The voice processing unit 10 is adapted to generate voice data by encoding the received signal given from the microphone 5 and output the voice data to the data conversion unit 11. The conversion unit 11 is configured to convert the voice data supplied from the voice processing unit 10 into communication data and output the communication data to the transmission / reception unit 12. Then, the transmission / reception unit 12 modulates the carrier wave with the communication data provided from the data conversion unit 11, thereby transmitting the communication data from the antenna 7 to the base station as a transmission signal.

Further, the transmitting / receiving section 12 demodulates communication data given to the antenna 7 as a received signal from the base station, and the demodulated communication data is converted into the data converting section 11.
The data conversion unit 11 converts the communication data given from the transmission / reception unit 12 into voice data, and outputs the voice data to the voice processing unit 10. Then, the voice processing unit 10 is adapted to generate a voice transmission signal by decoding the voice data given from the data conversion unit 11, and output the voice transmission signal to the speaker 6.

In a predetermined storage area in the storage unit 13,
Specific information consisting of essential information essential for communication such as subscriber number (ID code), mobile station number and location registration information, and optional information not essential for communication such as memory dial, last call time and outgoing call history is specified. It is stored according to the data format. And the control circuit 9
When the self is set to communicate with the base station based on the specific information stored in the storage unit 13,
That is, when the self mode is set, the specific information stored in the storage unit 13 is read and communication is performed based on the read specific information.

Further, a SIM card interface section 14 is connected to the control circuit 9, and the control circuit 9 is an S
When the IM card 8 is inserted into the slot, the SIM card interface unit 14 is used to
It is adapted to detect that an electrical connection with the card 8 has been made. The SIM card 8 stores the specific information in the same data format as the specific information stored in the storage unit 13 described above.
When the SIM card mode is set to communicate with the base station based on the specific information stored in the card 8, the SIM stores the specific information stored in the SIM card 8. The card is read through the card interface unit 14, and communication is performed based on the read specific information.

The self mode or the SIM card mode in the control circuit 9 as described above is set to either one by the user performing a predetermined key operation.

Next, regarding the operation of the above-mentioned constitution, in particular,
A case where the SIM card 8 is inserted into the slot of the mobile phone 1 and the control circuit 9 and the SIM card 8 are electrically connected will be described with reference to the flowchart shown in FIG.

First, when the SIM card 8 is inserted into the slot of the mobile phone 1, the control circuit 9 determines whether it is in the self mode or the SIM card mode. Now, when the control circuit 9 determines that the SIM card mode is set (determined as “YES” in step S1), the essential information of the specific information stored in the SIM card 8 is serially transferred. Is expanded into a predetermined storage area in the storage unit 13 (step S2).

Then, the control circuit 9 determines whether or not the option information unnecessary setting is made by the key operation unit 3 (step S3). Here, in the control circuit 9, optional information unnecessary setting is made in advance by the user's key operation (the setting means is set to the activated state).
If it is determined (YES in step S3), communication is enabled in SIM card mode (step S5).

On the other hand, when the control circuit 9 determines that the option information unnecessary setting is not made in advance (the setting means is set to the invalid state) (determined as "NO" in step S3), the SIM card 8 Option information of the specific information stored in the storage unit 13 is expanded in a predetermined storage area in the storage unit 13 (step S4), and then,
Communication is enabled in SIM card mode (step S5).

When the SIM card 8 is inserted into the slot of the mobile phone 1, the control circuit 9 determines that it is set in the self mode (determines "NO" in step S1). , In the self mode, communication is possible (step S6).

As described above, according to this embodiment, the control circuit 9
Thus, when the self is set to the SIM card mode and the optional information unnecessary setting is made, the essential information of the specific information stored in the SIM card 8 is expanded in the storage unit 13, and then the optional information is set. Since the communication is enabled by omitting the expansion, it is possible to reduce the amount of information transferred from the SIM card 8 before the communication is enabled. It is possible to shorten the time until it becomes, and to improve usability.

When the option information unnecessary setting is not made by the control circuit 9, the essential information and the option information of the specific information stored in the SIM card 8 are expanded in the storage unit 13 and then the communication is performed. Since it is made possible, if, for example, a memory dial is used among the option information, the information is not transferred by serial transfer from the SIM card 8 but by parallel transfer from the storage unit 13. As a result, the response speed can be improved and the power consumption can be reduced.

Further, it is possible to improve convenience by properly using these optional information unnecessary settings according to the situation.

The present invention is not limited to the above embodiment, but can be modified or expanded as follows. The wireless communication device is not limited to a mobile phone, and may be applied to, for example, a pager or an in-vehicle mobile phone.

[Brief description of drawings]

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

[Fig. 2] External perspective view

FIG. 3 Flow chart

[Explanation of symbols]

In the drawings, 1 is a mobile phone (wireless communication device), 3 is a key operation unit (setting means), 8 is a SIM card (IC card),
9 is a control circuit (control means), 13 is a storage unit (storage means)
Is.

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ya ▲ Saki ▼ Hidetoshi Toranomon 2-10-1 Toranomon, Minato-ku, Tokyo NTT Mobile Communications Network Co., Ltd. (56) Reference JP-A-9- 84101 (JP, A) International Publication 98/36546 (WO, A1) International Publication 98/12894 (WO, A1) (58) Fields investigated (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 H04Q 7/00-7/38

Claims (2)

(57) [Claims] 1. A wireless communication device having a control means capable of electrically connecting an IC card storing specific information including an ID code for identifying itself, the setting being set to an enabled state or a disabled state. The IC card is electrically connected to the control means,
Moreover, when it is set to communicate based on the specific information of the IC card, and when the setting means is set to the enabled state, the self of the specific information can be communicated. A wireless communication device, which enables communication by preferentially expanding essential information that is essential for storage in a storage unit. 2. The control means is set when the IC card is electrically connected and is set to communicate based on specific information of the IC card, and the setting means disables the setting. 2. When the status is set, communication is possible by expanding the essential information and the option information excluding the essential information of the specific information in the storage means. Wireless communication device.