JPH113286A - Portable information terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an outsider from accessing the stored data and to improve the security by canceling a password when the coincidence is confirmed between the password stored in an IC card and the password inputted by a user. SOLUTION: When a user inputs his password via a password input means 1, the password is analyzed by an analysis means 2. A password extraction means 3 extracts the password information from an IC card that is inputted to a main body A. Then a password collation means 5 collates the inputted and analyzed password with the password extracted from the IC card. If both passwords are coincident with each other, the user password is canceled by a password cancel means 6. If both passwords are not coincident with each other, the user inputs again his password.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a portable information terminal.

[0002]

2. Description of the Related Art Conventionally, when data is input using a portable information terminal and the data is stored, if the stored data is information that is not desired to be known to others, such as confidential business data, only a password is used. The information cannot be protected. Therefore, if you lose your device due to theft or misplacement,
If the password is known, the stored data may be disclosed to others.

[0003]

As described above, there is a need for a portable information terminal capable of easily keeping others from knowing even if stored business confidential data is lost or stolen.

[0004] Therefore, an object of the present invention is to provide a portable information terminal with increased confidentiality.

[0005]

SUMMARY OF THE INVENTION A portable information terminal of the present invention collates a password recorded on an IC card with a password entered by a user, cancels the password if the password matches, and makes the stored data accessible. It is configured to be. Thus, a portable information terminal with increased confidentiality can be realized.

[0006]

According to the first aspect of the present invention, a password recorded on an IC card is compared with a password input by a user, and if the passwords match, the password is released and the stored data can be accessed. It is composed.
With this configuration, access to the stored data of another person can be prevented and confidentiality can be increased.

According to a second aspect of the present invention, there is provided a password input means for inputting a password by a user, an analysis means for analyzing the password input by the password input means, and an IC.
Password extracting means for extracting password information recorded on the card; storage means for storing information such as passwords; password collating means for collating the password analyzed by the analyzing means with the password extracted by the password extracting means; Password canceling means for canceling. With this configuration, even if another person knows the password, the stored data is not accessed.

According to a third aspect of the present invention, the power of the main body is started by comparing user information such as a password recorded on an IC card inserted into the main body with user information such as a password registered in the main body. Make up. With this configuration, use of a portable information terminal other than the user himself / herself can be prevented.

According to a fourth aspect of the present invention, there is provided a user information extracting means for extracting user information such as a password recorded on an IC card, a storage means for storing information such as a password, and a password extracted by the user information extracting means. User information collating means for collating user information such as passwords and the like registered in the main body by the user in advance, and power supply activating means for activating power. With this configuration, only the user who owns the IC card can start the power supply.

An embodiment of the present invention will be described below with reference to the drawings. First, a first embodiment will be described. Here, FIG. 1 is a functional block diagram of the portable information terminal according to the first embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes password input means for a user to input a password to a portable information terminal;
An analyzing means for analyzing the password input by the password input means 1, a password extracting means for extracting password information recorded on the IC card, a storage means for storing information such as a password, and an analyzing means Password collating means 6 for collating the password analyzed by the means 2 with the password extracted by the password extracting means 3 is a password releasing means for releasing the password.

FIG. 2 is a device block diagram of the portable information terminal according to the first embodiment of the present invention. In FIG.
A is a main body, and a read-only memory 7 in the main body A
Stores programs executed by the central processing unit 8. In the random access memory 9,
User information such as a password input by the user at the input unit 10 and user information such as a password extracted from the IC card 12 inserted into the main body A are stored. The power switch 11 is provided in the main body A and turns on / off the power.

FIG. 3 is a flowchart of the portable information terminal according to the first embodiment of the present invention. The operation will be described below with reference to FIG.

First, in step S11, the password input means 1 determines whether the user has input a password. If the user has entered the password, the process proceeds to step S12, but if the user has not entered the password, the process returns to step S11 to wait for the user's password.

In step S12, the analysis means 2 analyzes the password input by the user. Step S
At 13, it is determined whether or not the IC card 12 is inserted into the main body A. If the IC card 12 has been inserted, the process proceeds to step S14. If the IC card 12 has not been inserted, the process returns to step S11, and waits for the user's password.

In step S14, password information is extracted from the inserted IC card 12 by the password extracting means 3. In step S15, the password collated by the user analyzed in step S12 by the password collation means 5 is collated with the password extracted from the IC card 12 in step S14. In step S16, it is determined whether the password input by the user collated in step S15 matches the password extracted from the IC card 12. If the password input by the user matches the password extracted from the IC card 12, the process proceeds to step S17. If the password input by the user does not match the password extracted from the IC card 12, the process proceeds to step S11. Return to and wait for the user's password. In step S17,
The password is released by the password release means 6 and the process is terminated.

Next, a second embodiment will be described. Here, FIG. 4 is a functional block diagram of the portable information terminal according to the second embodiment of the present invention. In FIG. 4, reference numeral 13 denotes user information extracting means for extracting user information such as a password recorded on the IC card 12 inserted into the main body A, 14 denotes storage means for storing information such as a password, and 15 denotes user information. The user information collating means 16 for collating the user information such as the password extracted by the extracting means 13 with the user information such as the password registered in the main unit A in advance by the user is a power activation means for activating the power.

FIG. 5 is a flowchart of the portable information terminal according to the second embodiment of the present invention. The operation will be described below with reference to FIG.

First, in step S21, it is determined whether or not the IC card 12 has been inserted into the main body A. If it has been inserted, the process proceeds to step S22, but if it has not been inserted, the process returns to step S21 and waits for the IC card 12 to be inserted. In step S22, the user information extracting means 13
Then, user information such as a password is extracted from the IC card 12 inserted into the main body A. In step S23,
The user information collating unit 15 collates the user information such as the password registered in advance by the user stored in the storage unit 14 with the user information such as the password extracted in step S22.

In step S24, it is determined whether or not the user information such as the password registered in advance by the user stored in the storage means 14 matches the user information such as the password extracted in step S22. If the user information such as the password registered in advance by the user stored in the storage unit 14 matches the user information such as the password extracted in step S22, the process proceeds to step S2.
5 and the user information such as the password registered in advance by the user and stored in the storage means 14 and the step S
If the user information such as the password extracted in step 22 does not match, the flow returns to step S21 to wait for the insertion of the IC card 12. In step S25, the power supply activation unit 16
To start the power supply and end the processing.

[0021]

According to the present invention, information that is not desired to be known to others, such as business confidential data stored in a portable information terminal, can be used.
When an IC card is inserted into a portable information terminal, the password recorded in the IC card is checked against the password entered in the portable information terminal to enable access, thereby preventing access to data stored by others and keeping confidentiality. Can be enhanced.

[Brief description of the drawings]

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

FIG. 2 is a device block diagram of the portable information terminal according to the first embodiment of the present invention.

FIG. 3 is a flowchart of the portable information terminal according to the first embodiment of the present invention.

FIG. 4 is a functional block diagram of a portable information terminal according to a second embodiment of the present invention.

FIG. 5 is a flowchart of a portable information terminal according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Password input means 2 Analysis means 3 Password extraction means 4, 14 Storage means 5 Password collation means 6 Password release means 7 Read-only memory 8 Central processing unit 9 Random access memory 10 Input unit 11 Power switch 12 IC card 13 User information extraction means 15 User information collation means 16 Power supply activation means

Claims (4)

[Claims] 1. A portable information device comprising: comparing a password recorded on an IC card with a password entered by a user; releasing the password if the password matches the password; and enabling access to the stored data. Terminal. 2. A password input means for inputting a password by a user, an analyzing means for analyzing a password input by the password input means, a password extracting means for extracting password information recorded on an IC card, a password and the like. Storage means for storing the above information, a password collating means for collating the password analyzed by the analyzing means with the password extracted by the password extracting means, and a password releasing means for releasing the password. The portable information terminal according to claim 1. 3. The apparatus according to claim 1, wherein user information such as a password recorded on an IC card inserted into the main body is compared with user information such as a password registered in the main body, and a power supply of the main body is activated. Mobile information terminal. 4. A user information extracting means for extracting user information such as a password recorded on an IC card, a storage means for storing information such as a password, and user information such as a password extracted by the user information extracting means. 4. The portable information terminal according to claim 3, further comprising: a user information collating means for collating user information such as a password registered in the main body by the user in advance; and a power supply activating means for activating a power supply.