JP2003280936A - Portable terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method to choose between storage and discarding of information using specific information which is registered in a portable terminal. <P>SOLUTION: The portable terminal 1 which has a communication function compares specific information registered in an information file transmitted from an external equipment 13 with a communication function, with specific information which is registered in a storage 9 prepared in the portable terminal 1. When the result of the comparison is identical, the information file transmitted from the external equipment 13 is written to the storage 9 of the portable terminal 1. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a portable terminal capable of communicating with an external device having a communication function and a mobile terminal having a communication function, and the external device having a communication function is a mobile terminal specific device. An information file including information and function information is transmitted to the mobile terminal, the mobile terminal receives the information file transmitted from the external device, and the specific information described in the received information file and the mobile terminal are provided. By making a determination with the specific information stored in the storage device that is stored, by determining whether the acquired specific information matches the specific information stored in the storage device,
The present invention relates to a mobile terminal capable of rewriting the function of the mobile terminal.

[0002]

2. Description of the Related Art In a conventional mobile terminal, no specific information is described in an information file transmitted from an external device having a communication function, and in a mobile terminal, no specific information is described in a storage device. It was.

Therefore, when an information file of another mobile device is transmitted from an external device having a communication function, it is impossible to determine whether or not the mobile terminal is a corresponding mobile terminal, and therefore the information of the mobile terminal not applicable The file is written, and the function of the mobile terminal that wrote the information file may not work or the operation may become unstable.

[0004]

SUMMARY OF THE INVENTION According to the present invention, when an external device having a communication function sends an information file containing specific information and function information to a mobile terminal having a communication function, the information file is stored in the information file. By determining the specific information included and the specific information stored in the storage device provided in the mobile terminal, the corresponding mobile terminal is identified and the function of the corresponding mobile terminal is rewritten. The present invention relates to a mobile terminal that is capable of

The present invention relates to an external device having a communication function,
A mobile terminal having a communication function is a mobile terminal capable of communicating, and an external device having a communication function transmits an information file including specific information of the mobile terminal and function information to the mobile terminal, Receives the information file transmitted from the external device, determines the specific information described in the received information file and the specific information stored in the storage device provided in the mobile terminal, The present invention relates to a mobile terminal capable of rewriting the function of the mobile terminal by determining whether the acquired specific information matches the specific information stored in the storage device.

[0006]

In order to achieve the above object, the portable terminal of the present invention adopts the following configuration.

The portable terminal of the present invention is a portable terminal which can receive an information file containing specific information and function information of the portable terminal from an external device and is provided with a storage device for storing internal information. The portable terminal receives the information file from the external device, the acquisition unit acquires the specific information from the information file received by the reception unit, the specific information acquired by the acquisition unit, and the internal information. The judgment means for judging whether or not the specific information stored in the storage device coincides with the judgment information, and if the result of the judgment means coincides, the function of the mobile terminal is rewritten. It is characterized by having a function rewriting means capable of

Further, the specific information of the portable terminal of the present invention comprises a type identification code part indicating the type of the portable terminal and a unique identification code part indicating the uniqueness declared for each type of the portable terminal. It has a feature.

Specifically, it is determined whether or not the type identification code portion, which is the specific information obtained by the obtaining means, and the type identification code of the specific information stored as internal information in the storage device match. It is characterized in that it has a judging means for judging whether or not, and has a function rewriting means capable of rewriting the function of the portable terminal of the same type by specifying the type of the portable terminal.

Further, the portable terminal of the present invention is characterized by having a function rewriting means capable of rewriting the function of the portable terminal by specifying the individual portable terminal.

In the portable terminal of the present invention, an external device having a communication function and a portable terminal having a communication function are connected in a communicable state. When the mobile terminal is in the information exchange enabled state, the mobile terminal transmits the information exchange enabled status information to the external device, so that the information file is transmitted from the external device having the communication function.

[0012] In the information file transmitted from the external device, specific information capable of discriminating the portable terminal and function information are described, and when the information file is transmitted from the external device having the communication function. The mobile terminal compares the specific information stored in the storage device provided in the mobile terminal with the specific information described in the information file transmitted from the external device.

By comparing the specific information stored in the storage device provided in the portable terminal with the specific information described in the information file transmitted from the external device, the portable device that does not correspond It is possible to prevent the trouble of writing the device information file.

The specific information is composed of a type identification code part indicating the type of the mobile terminal and a unique identification code part indicating the uniqueness declared for each type of the mobile terminal, and is described in the information file. Of the same type by comparing the type identification code part representing the type of the mobile terminal included in the specific information with the type identification code part of the specific information stored in the storage device of the mobile terminal. It becomes possible to rewrite the function of the mobile terminal.

Further, the type identification code portion representing the type of the mobile terminal included in the specific information described in the information file and the type identification code of the specific information stored in the storage device of the mobile terminal. Part, a type identification code part indicating the type of the mobile terminal included in the specific information described in the information file, and the specific information stored in the storage device of the mobile terminal, declared for each mobile terminal. It is possible to identify the relevant mobile terminal and rewrite the function of only the relevant mobile terminal by determining both the identified unique identification code part.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION The configuration of a portable terminal in the best mode for carrying out the present invention will be described below with reference to the drawings.

[First Embodiment: FIGS. 1 to 7] FIG.
It is a block diagram which constitutes the portable terminal 1. When the transmission of the information file is started, the reception means of the mobile terminal 1 receives the information file. (Step 1)

The information file received by the receiving means is converted into an electric signal interpretable by the obtaining means,
It is acquired by the mobile terminal 1 by the acquisition means. (Step 2)

For the information file acquired by the acquisition means, the judgment means judges whether the specific information held in the storage device of the portable terminal 1 matches the specific information described in the information file. Is done.

If the determining means does not match the specific information between the information file and the portable terminal 1, the information file is repeatedly received and acquired to determine whether it matches the specific information. repeat. (Step 3)

When the determining means matches the specific information of the information file with the portable terminal, the function rewriting means for rewriting the function based on the information file obtained by the receiving means causes the portable information to be transferred. The function of the terminal 1 is rewritten. (Step 4)

FIG. 2 is a circuit block diagram of the portable terminal 1. A signal generated by the crystal oscillator 3 and the crystal oscillation circuit 4 is input to the central processing unit 2, and the central processing unit 2 operates based on the input signal.

The display means 5 is driven by the display means drive circuit 6 connected to the central processing unit 2, and the display means 7 displays characters and image data.

Storage device 9 provided in the mobile terminal 1
Is composed of a random access memory 7 that temporarily holds data and a read-only memory 8 in which the functions executed by the mobile terminal 1 are recorded, and is connected to the central processing unit 2.

Random access memory 7 which is a storage device
Stores data necessary for executing the function of the mobile terminal 1 and information necessary for the process of selecting the function.

The data stored in the read-only memory 8 is read into the central processing unit 2, the read data is processed inside the central processing unit 2, and the central processing unit 2 reads it. The signal corresponding to the stored data is output to the outside.

Further, the read-only memory 8 used in this embodiment is an electrically rewritable type, and the stored contents can be rewritten by the processing by the central processing unit 2. It will be possible.

Communication interface 11 as a receiving means
Is a communication circuit 10 connected to the central processing unit 2.
Thus, it is possible to generate an electric signal and output the electric signal to the outside through the communication interface 11.
Further, the electric signal input from the communication interface 11 is converted by the communication circuit 10 into data that can be processed by the central processing unit 2.

The operation switch 12 is the central processing unit 2
When the operation switch 12 is operated,
The central processing unit 2 performs interrupt processing, and can immediately detect that the operation switch 12 has been operated. The operation switch 12 is used to turn on the power of the mobile terminal 1, sequentially switch the functions of the mobile terminal 1, and operate the sequentially selected functions.

FIG. 3 is a schematic diagram showing how the information file is described. In the present embodiment, a method of writing specific information from the top of the information file is adopted.

The information file includes specific information composed of a type identification code part indicating the type of the mobile terminal 1 and a unique identification code part indicating the uniqueness declared for each type of the mobile terminal 1, and a function. It is composed of information and.

In the read-only memory 8 in which the internal information of the portable terminal 1 is stored, the type identification code part indicating the type is a
It is stored as aa1 and 0000 is stored in the unique identification code part indicating the uniqueness declared for each type of the mobile terminal 1.
If it is stored as 1, it means that the specific information of the mobile terminal 1 is stored as aaa100001.

The specific information stored in the storage device of the portable terminal 1 can be held at an arbitrary location (address) in the read-only memory 8, and like the configuration of the information file, the portable terminal 1 can be held. The specific information stored in the storage device includes a type identification code part indicating the type of the mobile terminal 1 and a unique identification code part indicating the uniqueness declared for each type of the mobile terminal 1. There is.

The type identification code part representing the type of the mobile terminal 1 and the unique identification code part which is unique to each type of the mobile terminal 1 and is included in the specific information described in the information file. Each can be set to an arbitrary length.

The type identification code portion representing the type of the portable terminal 1 contained in the specific information held in the read-only memory 8 of the portable terminal 1 and the unique type declared for each type of the portable terminal 1. Each of the certain unique identification code portions is a type identification code portion that represents the type of the mobile terminal 1 and a unique unique identification code portion that is declared for each type of the mobile terminal 1 that are described in the information file. And adopt the same length.

FIG. 4 is a schematic diagram showing a connection form between the portable terminal 1 having a communication function and the external device 13 having a communication function.

The mobile terminal 1 having a communication function is connected to a communication cable 17 via a communication interface 11 which is a receiving means. The communication cable 17 connected to the mobile terminal 1 is connected to the mobile terminal 1 having a communication function and the communication interface provided in the external device 13 having a communication function.

The external device 13 having a communication function has a function equivalent to that of a personal computer, and includes a random access memory for temporarily storing data, a disk device for storing programs and data, and a visual check of information. A display device 14, a keyboard 15 for inputting, a pointing device 16 for assisting input, and a communication interface for communication are provided.

The external device 13 having the communication function can hold the information file to be transmitted to the portable terminal 1 in the disk device.

FIG. 5 shows a portable terminal 1 having a communication function,
In a state where communication is possible with the external device 13 having the communication function, the operation after the transfer of the information file including the specific information and the function information of the mobile terminal 1 is started from the external device 13 having the communication function. It is a flowchart figure shown.

When the portable terminal 1 having a communication function and the external device 13 having a communication function can communicate with each other,
The external device 13 having the communication function determines whether the mobile device 1 having the communication function is ready to receive the information file. If the mobile terminal 1 having the communication function is not ready for reception, the external device 13 repeatedly determines whether the mobile terminal 1 is ready for reception. (Step 1)

When the portable terminal 1 having the communication function is ready to receive the information file, the external device 13 having the communication function starts transmitting the information file and simplifies writing the information file. The specific information flag used for is turned off. (Step 2)

The receiving means of the portable terminal 1 reads the information file transmitted from the external device 13 having a communication function. (Step 3)

Judgment of a specific information flag is performed. As for the specific information flag, the portable terminal 1 obtains specific information, and the determining means determines the specific information described in the information file and the specific information held in the storage device 9 of the portable terminal 1, This is a flag that is set when they match.

When a specific information flag is set,
It becomes possible to write the information file by avoiding the processing of obtaining the specific information and the determination of the specific information, and the writing processing of the information file can be simplified.

The specific information flag is set until the determining means determines that the specific information described in the information file and the specific information stored in the storage device of the portable terminal 1 match. Instead, the processing is continued. (Step 4)

When specific information is found from the information file read by the mobile terminal 1, the mobile terminal 1 acquires the specific information stored in the storage device 9 and is an external device having a communication function. 13 is compared with the specific information acquired from the information file transmitted.

If the two pieces of specific information are compared with each other and they do not match, the process proceeds to a process of determining whether the information file has been read to the end. (Step 5)

When the comparison of the specific information matches, the specific information flag is set. By setting the specific information flag, execution of the specific information acquisition means and the specific information determination means can be avoided, and the information file can be written in the storage device 9 of the mobile terminal 1. . (Step 6)

In the process of determining the specific information flag, when it is determined that the specific information flag is set, the information file transmitted from the external device 13 is written in the storage device 9. (Step 7)

When the writing of the information file to the storage device 9 is completed, a specific information flag is set to OFF in preparation for the next writing. (Step 8)

If the specific information does not match, the information file is read further, and if the information file is read to the end, the process ends. (Step 9)

FIG. 6 shows a portable terminal 1 having a communication function,
In a state where communication is possible with the external device 13 having the communication function, the external device 13 having the communication function transfers the information file including specific information and function information of the mobile terminal 1 to Determination of the type identification code part included in the specific information stored in the storage device 9 of the terminal 1 and the type identification code part included in the specific information included in the information file transmitted by the external device 13 FIG. 6 is a flowchart showing an operation up to and holding an information file in the mobile terminal 1.

When the portable terminal 1 having a communication function and the external device 13 having a communication function can communicate with each other,
The external device 13 having the communication function determines whether the mobile device 1 having the communication function is ready to receive the information file. If the mobile terminal 1 having the communication function is not ready for reception, the external device 13 repeatedly determines whether the mobile terminal 1 is ready for reception. (Step 1)

When the portable terminal 1 having the communication function is ready to receive the information file, the external device 13 having the communication function starts transmitting the information file and simplifies the writing of the information file. The specific information flag used for is turned off. (Step 2)

The receiving means of the portable terminal 1 reads the information file transmitted from the external device 13 having a communication function. (Step 3)

Next, the determination of the specific information flag is performed.
The specific information flag is stored in the storage device 9 of the mobile terminal 1 and the type identification code part included in the specific information described in the information file by the type identification code part determination process which is the determination means. It is a flag that is set when the type identification code part included in such information matches.

When a specific information flag is set,
It becomes possible to write the information file by avoiding the processing of obtaining the specific information and the determination of the specific information, and the writing processing of the information file can be simplified.

The type identification code section that can determine the type of the mobile terminal 1 included in the specific information described in the information file and the specific information held in the storage device of the mobile terminal 1 are used. The specific information flag is not set until the type identification code part capable of determining the type of the portable terminal 1 included in the type identification code part is determined by the type identification code part determination process which is the determination means. Is continued. (Step 4)

When specific information is obtained from the information file read by the mobile terminal 1, the mobile terminal 1 includes the mobile terminal included in the specific information stored in the storage device 9 provided in the mobile terminal 1. The type identification code unit capable of determining the type of the mobile terminal 1 is acquired, and the type of the mobile terminal 1 included in the specific information acquired from the information file transmitted by the external device 13 having the communication function is determined. Comparison with the type identification code part that can be performed.

If it is included in the specific information of both sides,
The type identification code parts capable of determining the type of the mobile terminal 1 are compared, and if they do not match, the process proceeds to the process of determining whether the information file has been read to the end. (Step 5)

The type identification code portion which is included in the specific information stored in the storage device 9 of the portable terminal 1 and which can identify the type of the portable terminal 1, and the information transmitted from the external device 13. If the comparison is made with the type identification code part capable of determining the type of the mobile terminal 1 included in the specific information described in the file, the specific information flag is set.

By setting the specific information flag, execution of the specific information acquisition means and the specific information determination means can be avoided, and the information file can be written in the storage device 9 of the portable terminal 1. It will be possible. (Step 6)

In the process of determining the specific information flag, when it is determined that the specific information flag is set, the information file transmitted from the external device 13 is written in the storage device 9. (Step 7)

When the writing of the information file to the storage device 9 is completed, a specific information flag is set to OFF in preparation for the next writing. (Step 8)

If the specific information does not match, the information file is read further, and if the information file is read to the end, the process is terminated. (Step 9)

A specific information included in the information file transmitted by the external device 13 and a type identification code section capable of determining the type of the portable terminal 1 included in the specific information. , Specific information stored in the storage device 9 provided in the mobile terminal 1 and a type identification code portion included in the specific information and capable of determining the type of the mobile terminal 1. By judging and comparing, it becomes possible to prevent the information file, which is originally not expected to be written, from being held in the storage device 9 provided in the mobile terminal 1, and the operation of the mobile terminal 1 is prevented. It becomes possible to remove the factors that cause instability.

Further, since the specific information includes the type identification code capable of determining the type of the mobile terminal 1, it becomes possible to share the same information file among the mobile terminals 1 of the same type. .

FIG. 7 shows a portable terminal 1 having a communication function,
In a state where communication is possible with the external device 13 having the communication function, the external device 13 having the communication function transfers the information file including specific information and function information of the mobile terminal 1 to The type identification code part included in the specific information stored in the storage device 9 of the terminal 1 and the type identification code part included in the specific information included in the information file transmitted by the external device 13 After the determination, the unique identification code portion included in the specific information stored in the storage device 9 of the mobile terminal 1 and the specific information included in the information file transmitted by the external device 13 are included. It is a flowchart figure which shows the operation | movement until the information file is hold | maintained at the portable terminal 1 by determining the specific identification code part currently provided.

When the portable terminal 1 having a communication function and the external device 13 having a communication function can communicate with each other,
The external device 13 having the communication function determines whether the mobile device 1 having the communication function is ready to receive the information file. If the mobile terminal 1 having the communication function is not ready for reception, the external device 13 repeatedly determines whether the mobile terminal 1 is ready for reception. (Step 1)

When the portable terminal 1 having the communication function is ready to receive the information file, the external device 13 having the communication function starts transmission of the information file and, at the same time, simplifies the information file. O information flag
FF. (Step 2)

The receiving means of the portable terminal 1 reads the information file transmitted from the external device 13 having a communication function. (Step 3)

Next, the determination of a specific information flag is performed.
The specific information flag is the type identification code part included in the specific information described in the information file and the storage device of the mobile terminal 1 by the type identification code part determination process and the unique identification code part determination process which are determination means. 9, the type identification code part included in the specific information stored in the storage device 9, the unique identification code part included in the specific information described in the information file, and the identification stored in the storage device 9 of the mobile terminal 1. It is a flag that is set when both the unique identification code part included in such information matches.

When a specific information flag is set,
It becomes possible to write the information file by avoiding the processing of obtaining the specific information and the determination of the specific information, and the writing processing of the information file can be simplified.

The type identification code portion capable of determining the type of the mobile terminal 1 included in the specific information described in the information file and the specific information held in the storage device of the mobile terminal 1 are used. A type identification code section determination process of a type identification code section capable of determining the type of the portable terminal 1 included therein;
A unique identification code part declared uniquely for each mobile terminal 1 included in the specific information, which is described in the information file,
Until both determination means and the determination processing of the unique identification code portion of the unique identification code portion declared uniquely for each mobile terminal 1 included in the specific information held in the storage device of the mobile terminal 1 determine that they match. The specific information flag is not set and the process continues. (Step 4)

When specific information is acquired from the information file read by the mobile terminal 1, the mobile terminal 1 includes the mobile terminal included in the specific information stored in the storage device 9 provided in the mobile terminal 1. The type identification code unit capable of determining the type of the mobile terminal 1 is acquired, and the type of the mobile terminal 1 included in the specific information acquired from the information file transmitted by the external device 13 having the communication function is determined. Comparison with the type identification code part that can be performed.

If it is included in the specific information of both sides,
The type identification code parts capable of determining the type of the mobile terminal 1 are compared, and if they do not match, the process proceeds to a process of determining whether the information file has been read to the end.
(Step 5)

When the type identification code portion that can determine the type of the portable terminal 1 included in the specific information matches the determination, the portable terminal 1 stores the storage device 9 provided in the portable terminal 1. The information file transmitted by the external device 13 having the communication function by acquiring the unique identification code part indicating the uniqueness declared for each type of the mobile terminal 1 included in the specific information stored in It is compared with the unique identification code part, which is obtained from the above, and which is included in the specific information and declared to be unique for each type of the mobile terminal 1.

If it is included in the specific information of both sides,
The type identification code parts capable of determining the type of the mobile terminal 1 are compared, and if they do not match, the process proceeds to a process of determining whether the information file has been read to the end.
(Step 6)

The type identification code portion which is included in the specific information stored in the storage device 9 of the mobile terminal 1 and is capable of discriminating the type of the mobile terminal 1, and the information transmitted from the external device 13. It is included in the specific information stored in the storage device 9 of the mobile terminal 1 and the type identification code portion that is included in the specific information described in the file and that can determine the type of the mobile terminal 1. Included in the unique identification code part declared uniquely for each mobile terminal 1 and the specific information described in the information file transmitted from the external device 13,
If both comparisons with the unique identification code part declared for each mobile terminal 1 match, a specific information flag is set.

By setting the specific information flag, execution of the specific information acquisition means and the specific information determination means can be avoided, and the information file can be written in the storage device 9 of the portable terminal 1. It will be possible. (Step 7)

From the external device 13, a unique identification code portion, which is included in the specific information stored in the storage device 9 of the mobile terminal 1 and indicates the uniqueness declared for each type of the mobile terminal 1, If the comparison is made with the unique identification code portion that is included in the specific information described in the transmitted information file and that is declared unique for each type of the mobile terminal 1, the external device 13 The information file transmitted from is written in the storage device 9 provided in the mobile terminal 1. (Step 8)

When the writing of the information file to the storage device 9 is completed, the specific information flag is set to OFF in preparation for the next writing. (Step 9)

If the specific information does not match, the information file is read further, and if the information file is read to the end, the process ends. (Step 10)

The type identification code portion which is included in the special information provided in the mobile terminal 1 and is capable of determining the type of the mobile terminal 1 and the unique type declared for each type of the mobile terminal 1. Since the unique identification code part that indicates that is special information unique to each type of mobile terminal, a unique identification code part that is included in the special information and that can determine the type of the mobile terminal 1 is used. The mobile terminal 1 can be specified by determining each of the unique identification code parts that are included in the special information and that are declared for each type of the mobile terminal 1 and that indicate uniqueness. By creating an information file including the special function information specified in 1, it is possible to differentiate the specified function of the mobile terminal 1 from the function of another mobile terminal.

[0086]

According to the present invention, the specific information stored in the storage device, which is the internal information provided in the portable terminal, and the information file transmitted from the external device are described. By making a comparison with specific information, it is possible to easily prevent a trouble such as writing an information file of a mobile device that does not correspond.

Further, it is possible to prevent an unexpected unauthorized access from an external device and to provide a safer mobile terminal.

[Brief description of drawings]

FIG. 1 is a block diagram of a mobile terminal according to a first embodiment of the present invention.

FIG. 2 is a circuit block diagram of a mobile terminal according to the first embodiment of the present invention.

FIG. 3 is a schematic diagram showing a configuration of an information file according to the first embodiment of the present invention.

FIG. 4 is a diagram showing a connection form between a mobile terminal and an external device according to the first embodiment of the present invention.

FIG. 5 shows a mobile terminal according to the first embodiment of the present invention,
It is a flowchart figure which showed the process which determines specific information.

FIG. 6 is a flowchart showing a process in which the mobile terminal according to the first embodiment of the present invention determines a type identification code portion included in specific information.

FIG. 7 is a flowchart showing a process in which the mobile terminal according to the first embodiment of the present invention determines a type identification code part and a unique identification code part included in specific information.

[Explanation of symbols]

1: Mobile device 2: Central processing unit 3: Crystal oscillator 4: Crystal oscillator circuit 5: display means 6: Display means drive circuit 7: Random access memory 8: Read-only memory 9: Storage device 10: Communication circuit 11: Communication interface 12: Operation switch 13: External device 14: Display device 15: Keyboard 16: Pointing device 17: Communication cable

Claims (2)

[Claims] 1. A portable terminal capable of receiving an information file including specific information and function information of the portable terminal from an external device and having a storage device for storing internal information, the external device. Receiving means for receiving the information file from the receiving means, obtaining means for obtaining the specific information from the information file received by the receiving means, and determining whether the specific information obtained by the obtaining means matches the internal information The mobile terminal having a function rewriting means capable of rewriting the function of the mobile terminal when the judgment means and the result of the judgment means match. 2. The specific information according to claim 1 comprises a type identification code part indicating a type of the mobile terminal and a unique identification code part indicating uniqueness declared for each type of the mobile terminal. And mobile terminals.