JP2540421Y2 - Telephone with memory card - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device with a memory card which realizes additional functions by connecting a memory card storing programs and various data.

[0002]

2. Description of the Related Art Generally, a telephone device having a communication function used as a home online terminal can use a memory card as an external storage means for storing various information. In particular, personal information such as personal identification numbers is required at bank terminals, etc., and such information that you do not want to be known to others is stored in the memory of the personal memory card, and the speed dial required when using only the normal call function The data and the data for the low-cost line selection function (LCR) are stored in a memory inside the telephone device.

[0003]

However, in such a telephone device, when a user forgets a password for a communication function, conventionally, in order to prevent leakage of confidential personal information, the memory card is used together with the password. Also, the personal information such as the account number and the transfer destination stored in the personal information is erased and a new password and the above-mentioned personal information are written, and re-input of such personal information is a burden on the user.

[0004]

According to the present invention, there is provided a data saving means for saving data including a password stored in a connected personal memory card to a variable memory of a telephone device. Data conversion means for arbitrarily converting the password saved in the variable memory, and data recovery means for transferring the data saved in the variable memory to the personal memory card. A transfer error check unit for checking an error of data transferred by the data saving unit and the data recovery unit; and an update unit for updating error check data used by the transfer error check unit when the data is converted by the data conversion unit. It is provided with.

[0005]

The password portion of the stored contents of the personal memory card saved in the telephone device in advance is arbitrarily converted and written into the memory card again. Further, at the time of data saving / restoring, an error check of the transfer data is performed, and the error check data is automatically updated.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing one embodiment of a telephone device with a memory card according to the present invention. In the figure, 1 is a CPU for controlling the entire apparatus, 2 is a ROM for storing programs, 3 is a DRAM, 4 is an SRAM for storing various data, 5 is a clock unit, 6 is a memory card I / O. F
And 7, a memory card including a ROM 7a, a RAM 7b, and a battery 7c for holding data stored in the RAM 7b, and 8, a printer I / F. Reference numeral 9 denotes a display unit including an LCD control unit 9a and an LCD unit 9b, 10 denotes a key unit, 11 denotes a communication unit, 12
Is a communication unit composed of a modem for performing data communication.
E is a battery that holds data stored in the SRAM 4 at the time of a power failure, SP is a speaker, HS is a handset, L is a telephone line, and SW is a telephone line L through the telephone unit 11 or the communication unit 1.
2 is a switch for switching to one of the two.

In this telephone device with a memory card,
If the user forgets the password of the personal memory card 7 to be used by connecting to the device, first connect the memory card 7 to the device and use the "arrow keys (cursor) Key) ”to select“ card → body mode (evacuation mode) ”. Then, by operating the“ execute key ”, all personal information including the password stored in the card is saved to a predetermined memory area of the device body. Is done. Thereafter, the data conversion memory card is connected to the device and the “data conversion mode” is executed, whereby the password portion in the data temporarily saved in the device is converted into a predetermined password. When this conversion process is completed, the “body → card mode (recovery mode)” is selected by operating the “arrow keys”, and when the “execute key” is further operated, all individuals including the password evacuated to the device are The information is transferred to the personal memory card 7 connected to the device again.

Next, a detailed operation of the CPU 1 of the telephone device with a memory card will be described with reference to flowcharts shown in FIGS. First, the flowchart showing the save / restore operation of the memory data in FIGS. 2 and 3 will be described. First, a personal memory card whose password has been forgotten is inserted and connected to the memory card 1 / F section 6 of the apparatus, and a display menu on the apparatus is activated by a predetermined operation. It is displayed on the display unit 9. On the menu screen, a desired processing mode is selected with an arrow key and an execution key is pressed, whereby this processing mode is immediately executed. In step 21, a processing mode is selected based on the key data detected by the key unit 10.

In step 22, it is determined whether or not the selected processing mode is the "memory data saving / restoring mode". If this is determined to be "N", the following step 2 is performed.
In step 3, it is determined whether or not "main menu is ended". If the “main menu” has been selected and determined to be “Y”, the processing of the CPU 1 terminates the main menu and returns to “idle”. If it is determined to be "N" in step 23, the process proceeds to step 24 to execute another menu process. If the "data save / restore mode" is selected and "Y" is determined in step 22, the process proceeds to step 25 to save the data.
A determination is made as to whether or not a personal memory card for recovery has been inserted into the memory card I / F section 6 of the apparatus, and if no memory card has been inserted, the "data saving / restoration mode" is selected. It becomes invalid and returns to the main menu display of step 20.

If a memory card is inserted and "Y" is determined in step 25, the process proceeds to step 30 in FIG. 3 to turn on a card lamp indicating that a memory card is being accessed. At 31, a data save / restore submenu is displayed on the display unit 6. In the sub-menu screen, a desired processing mode is selected with the arrow keys and the execution key is pressed in the same manner as in the selection of the main menu screen, and the processing mode is immediately executed. In step 32, it is determined whether or not the currently selected processing mode is "card → body mode (evacuation mode)". If this is "Y", in step 33 the data is transferred from the memory card to a predetermined memory area of the apparatus body. Data saving starts. In the following step 34, a checksum for detecting a transfer error is calculated, and in step 35, the end of data saving is determined. If the data saving is not completed, the process returns to step 33, and if the data saving is completed, the fact that the saving process is completed is displayed on the display unit 9 (step 36).
After turning off the card lamp lit in step 30 (step 37), the process returns to step 20 in FIG. 2 to display the main menu.

If the currently selected processing mode is not "card → body mode (evacuation mode)" but "Y" in step 25, "body → card mode (recovery mode)" is selected. It is determined in step 40 whether or not the checksum calculated when the data was previously saved in the “card → body mode (save mode)” matches the checksum of the data to be transferred. If both checksums match, transfer of data from a predetermined memory area of the apparatus main body to the memory card (data recovery) is started. In step 42, the end of the data recovery is determined. If the data recovery is not completed, the process returns to step 41. If the data recovery is completed, the end of the recovery process is displayed on the display unit 9 (step 43). ), The process of shifting the card lamp to off in step 37 is executed. If the two checksums do not match and the result of step 40 is "N", an error message indicating data destruction is displayed on the display unit 9 (step 4).
4), the process of shifting the card lamp to off in step 37 is executed.

Next, FIG. 4 is a flowchart showing the conversion operation of the password portion in the flowchart of the CPU 1. After the data of the memory card is saved to the memory of the main body of the apparatus as described above, a data conversion memory card is connected to the memory card I / F unit 6 in order to convert the password part in the saved data. When a predetermined operation is performed, a card-side menu is activated. As a result, a data conversion menu is displayed on the display unit 9 in step 50. On the menu screen, a desired processing mode is selected with an arrow key and an execution key is pressed, whereby this processing mode is immediately executed. In step 50, it is determined whether or not the key detected by the key unit 10 is an "arrow key".
If is pressed, it is determined in step 51 whether or not the currently selected processing mode is the “password conversion mode”. If the currently selected processing mode is the “password conversion mode” (“Y” in step 51)
) Is "end card side menu" in step 52.
Is newly selected, while if the processing mode is not the “password conversion mode” (“N” in step 51), the “password conversion mode” is newly selected in step 53, and the menu The display cursor is moved (step 54), and the process returns to the "arrow key" detection processing of step 50.

If the "arrow key" is not detected and "N" is determined in step 50, the pressing of the "execute key" is determined in step 60, and the pressing of the "execute key" is detected. In step 61, the process proceeds to step 61 to determine again whether the currently selected processing mode is the “password conversion mode”. If the “password conversion mode” is selected, the password The conversion and the update of the checksum data accompanying the conversion are performed. That is, in step 62, the predetermined number of characters of the password to be converted is read and set in the counter, and in step 63, the memory address where the password is stored is set in the register. Each process of updating the data is repeatedly executed for each character of the password.

That is, in step 64, one character of the password indicated by the above counter in the current password is subtracted from the current checksum, and in step 65, a new one-character password determined in advance is added to the checksum. And the new password 1
Characters are stored in the memory address indicated by the register,
The password is replaced with the new password. next,
In step 67, "1" is added to the address of the memory storing the password, and in step 68, "1" is subtracted from the counter indicating the number of remaining password characters, and values corresponding to the next one character are set. . Thus,
When the password is sequentially set one character at a time, the counter is decremented. When the number of characters of the password to be set is exhausted, the "counter = 0?"
It returns to the "arrow key" detection processing of step 50. If it is determined in step 60 that the currently selected processing mode is not "password conversion mode" but "N", it is determined that "card side menu end", and the card side menu processing is ended to "idle". "State.

As described above, when the user forgets the password, first insert the personal memory card into the device,
All personal information including the stored password is saved in a predetermined memory area of the apparatus main body (steps 33 to 33).
36). Next, by inserting the data conversion memory card into the device and executing the "data conversion mode", the password portion of the data temporarily saved in the device is converted into a predetermined password, and based on this, The transfer error check checksum data is updated (steps 62 to 69). Then, by inserting the original personal memory card again and restoring the data after the password conversion to the personal memory card, the password has already been converted to the predetermined password. If a card-side menu is activated by inputting a password and a process for registering a new password is executed, a desired new password can be registered.

As described above, for a personal memory card that cannot be used because the password is forgotten, only the password portion is converted into a predetermined password without erasing various registered personal information. This eliminates the cumbersome operation of deleting the password and various registered personal information by erasing all stored contents and inputting them again as in the related art. Further, not only the password portion is converted, but also the check data for data transfer is automatically updated based on this, so that the transfer check function can be normally performed even when data is re-transferred, thereby improving data security. Furthermore, by providing a data conversion memory card storing a program for rewriting the password separately from the telephone device main body, the password is not easily rewritten by an individual, and the personal information stored in the personal memory card is not stored. This has a remarkable effect on the protection against leakage.

In this embodiment, the password stored in the memory card is to be converted. However, data other than the password, for example, a telephone number of a communication center or a customer (user) who provides online services.
For example, personal information such as a user ID number or the like and confidential information individually assigned to the user may be converted.

Further, in the present embodiment, the password is automatically converted into a predetermined password, and thereafter, the user registers a new password using a password change function, thereby preventing leakage of personal information. Therefore, when the password is converted by the data conversion card, the user may be allowed to input an arbitrary password instead of the fixed conversion. The password change function is
In order to protect the leakage of personal information by changing it if there is a possibility that the password has been leaked to others,
This is a function in which the user himself / herself enters a new password after inputting a current password, and changes the password to the new password. This function is provided as a basic function in the apparatus of this embodiment.

In this embodiment, when data is saved and restored, the transfer error check and the check data update process are performed. However, these processes may be omitted as necessary. Also, a method of calculating a checksum is employed as a method of checking a transfer error. However, since these methods can be changed according to the reliability requirement of the device, the transfer error check may not be performed. Alternatively, a check method using a CRC or the like may be adopted. If the transfer error check is not to be performed, steps 35 and 40 in FIG. 3 and steps 64 and 65 in FIG. 4 may be omitted. Just replace it. Also, as a method of strictly performing a transfer error check, after restoring the password-converted data to the personal memory card, the data restored to this card may be read again and compared with the data of the device body, The restored data may be read out, the checksum calculated, and compared with the checksum data of the apparatus main body.

[0020]

[Effects of the Invention] As described above, the present invention converts only a password portion into a predetermined password without erasing various registered personal information for a personal memory card that cannot be used because the password is forgotten. This eliminates the cumbersome work of deleting the password and various registered personal information by deleting all stored contents and inputting the same again as in the related art, thereby reducing the burden on the user. In addition, not only the password portion is converted, but also the check data for data transfer is automatically updated based on this, so that the transfer check function works normally even when data is re-transferred, thus improving data security. .

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a telephone device with a memory card according to the present invention.

FIG. 2 is a flowchart showing an operation of saving and restoring data between a memory card and a telephone device in the device.

FIG. 3 is a flowchart showing an operation of saving and restoring data between a memory card and a telephone device in the device.

FIG. 4 is a flowchart showing a conversion operation of a password saved from a memory card to a telephone device in the device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 CPU 4 SRAM 6 Memory card I / F part 7 Memory card 9 Display part E Battery

Claims (2)

(57) [Scope of request for utility model registration] 1. A telephone device with a memory card having a variable memory while realizing additional functions by connecting a personal memory card storing a program and various data. Data saving means for saving the data including the stored password in the variable memory; data conversion means for arbitrarily converting the password saved in the variable memory; and saving the data saved in the variable memory to the personal memory. A telephone device with a memory card, comprising: data recovery means for transferring data to a memory card. 2. The telephone device with a memory card according to claim 1, wherein a transfer error check unit that checks an error of the data transferred by the data saving unit and the data recovery unit, and converts the data by the data conversion unit. Updating means for updating error check data used by the transfer error checking means in a case.