JP3368039B2 - Electronic equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
Electronic organizers and personal digital assistants that can keep confidential
And electronic devices such as personal computers. [0002] 2. Description of the Related Art Conventionally, data having a data security
JP-A-3-18975 discloses a data storage device.
There is something. Data storage device having this security function
The storage unit stores data such as telephone numbers.
The data is stored with the klet information added. And de
When normal mode is specified as the data bank mode
The secret information stored in the storage unit
Is sequentially read out from the LCD panel.
Display panel. Also, the data bank mode
When the normal mode is specified, the input password is
If the password matches the registered password,
The mode is changed to the secret mode,
Data where the secret information stored in the
Data whose secret and secret information are "1"
Read it out and display it on the LCD panel. [0003] SUMMARY OF THE INVENTION
In conventional data storage devices with a security function,
Computation processing of telephone numbers and addresses, etc., because it has no function
When storing data that is not subject to
Although there is no title, there is no
If the data is memorized, the total amount cannot be calculated.
is there. [0004] Therefore, the data storage with security function described above.
Even if an arithmetic function is simply added to the device,
Problems arise. For example, if the application
Book ", and the above data subject to confidentiality
Suppose it is an amount. And goods purchased without telling others
Is stored with the secret information "1" added to
Shall be stored in Smell like this
To calculate the total expenditure and display it on the LCD panel
Think about a match. [0005] Now, the secret information "1" is added.
When calculating the total amount of expenditure without including the amount
Is the total expenditure displayed on the LCD panel
A problem arises that the total expenditure does not match.
On the other hand, gold with secret information “1” added
If you want to calculate the actual total spend, including the amount,
Total amount of expenditure displayed on the LCD panel and LCD table
Display the individual spending amount that can be called up
Password to match the total results.
To change the data bank mode to secret mode.
After the change, it is necessary to call the LCD panel. sand
In other words, the data storage device with the security function described above
If the stored data is processed,
As described above, two types of operation results can be obtained.
If you forget to calculate by the
Whether the result is the desired result or not
There is a problem that you do not understand. [0006] If you forget your password,
Is the data bank mode set to normal mode
Cannot be changed to incognito mode.
The secret information stored in the storage unit is “0”
Data whose data and secret information are "1"
(Ie, not all data). That
The password has been forgotten
The data with the secret information "1" added
If you delete them together with the password,
Deleted when an operation was performed using the data stored in the section
Problem that results in a different operation than before
Occurs. Therefore, the entire application is kept confidential.
It is also possible to do. However, in that case, simply enter
Application to enter gold and withdrawal data
When activating the service, it is necessary to release the security.
Problem arises. In particular, the above confidentiality and confidentiality
If unlocking is performed via password, password
If you forget the password, you can not start the application
There's a problem. Accordingly, an object of the present invention is to individually seek
Secret data and secret data using data to which
Computation processing that includes data that is not dense data is possible.
Confidentiality and declassification are performed via password
Stable calculation results even if you forget the password
To provide an electronic device. [0009] Means for Solving the Problems To achieve the above object,
Therefore, the invention according to claim 1 is a method according to claim 1, wherein
Data in the storage unit, and
Data stored in the storage unit
Secret information indicating whether or not to be provided in the storage unit
It is stored in the secret information storage area in association with the data, and
And specified above by the
Secret indicating whether to allow the display of secret data
According to the mode, it is stored in the storage unit by the display unit.
To the electronic device that displays the data with reference to the confidential information.
Calculation processing using the data stored in the storage unit.
Instruction part for instructing the execution of processing, and the procedure of the above-mentioned arithmetic processing
From the operation procedure storage unit in which the
When execution of the arithmetic processing is instructed, the
Stored in the above storage unit according to the stored processing procedure
Processing unit that executes a calculation process using the extracted data
When,Password to register a preset password
Password registration unit and secret data stored in the storage unit.
A secret information deletion command unit for instructing deletion,
When the deletion command section instructs the deletion of secret data,
According to the operation procedure stored in the operation procedure storage unit,
Therefore, all the secret data stored in the storage unit
A secret data arithmetic processing unit for performing arithmetic processing using
The secret on which the arithmetic processing by the secret data arithmetic processing
Secret data that deletes the secret data along with the corresponding secret information
The operation result by the deletion unit and the secret data operation processing unit is
Receiving this operation result as new secret data,
A secret data generation unit to be stored in the storage unit together with the
The result of the above operation is secret data by the secret data generation unit.
When the password is stored in the storage unit,
Password to delete the password registered in the
RemovalIt is characterized by having. [0010] [0011] [0012] According to the first aspect of the invention,Secret information deletion command section
Deletes secret data stored in the storage
Command, the secret data calculation processing unit
According to the procedure of the arithmetic processing stored in the storage unit,
Calculated using all secret data stored in storage
The processing is executed. Then, the secret data deletion unit
Then, the arithmetic processing by the secret data arithmetic processing unit is executed.
The secret data is deleted together with the corresponding secret information.
After that, the secret data generation unit
The calculation result by the data calculation processing unit becomes new secret data.
And stored in the storage unit together with the secret information. And pa
Registered in the password registration unit by the password deletion unit.
Password is deleted. Thus, the secret data
When deleting data with a password,
An arithmetic operation using the dense data is executed, and the obtained arithmetic operation is performed.
The result is stored in the storage unit as one new secret data
Is done. Therefore, the above secret data is shared with the password.
Even if calculation processing is performed after deletion,
By using dense data, the same operation result as before
Fruit is obtained. [0013] [0014] [0015] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
explain. FIG. 1 shows an embodiment of the electronic device of the present embodiment.
It is an external view in the system electronic organizer of FIG. This system
The electronic notebook has two housings 1 and 2 hinged to open and close.
Has been established. The housing 1 contains messages, data, and performances.
A display unit 3 on which the calculation result is displayed is provided. Soshi
The display 3 has an area where characters and figures are displayed.
And secret data symbols or secret-on mode
An area for displaying a symbol or the like is provided. Also,
The housing 1 and the housing 2 are used to input various information.
An input key group 4 is provided. The input key group 4 includes each application.
Enter character information and numerical information used in the application
Data key group 5, "ON" key 6 for turning on the power,
"Off" key 7 to turn off the power, various functions (calendar machine
Function, schedule function, address book function, memo function, pocket money
(Book function, clock function, etc.)
Mode setting keys 8 for setting the mode, various functions described above
RAM (random access memo)
Recall the data stored in the storage unit in order
"Forward" key 9 for recall and display on display 3
"Correction" key 10 for modifying the input data, modification
"Enter" key to transfer subsequent data to the storage
11. Secret mode to secret mode
"Switch" to switch to secret-off mode
Secret mode "key 12 to perform the above various functions
Confidentiality or declassification of individual data
"Secret" key 13
"Aggregation" key 14 to calculate the total
Deleted data (hereinafter referred to as confidential data) only
Key 15 and the like are provided.
Incidentally, the “pocket book” key constituting the mode setting key group 8 is used.
-16 is pressed to activate the above pocketbook function.
Set out. FIG. 2 is a system electronic hand showing the appearance of FIG.
It is a block diagram of the control system in a book. Display section 3
Is a liquid crystal display device with a dot matrix configuration
Below, abbreviated as LCD). Display control
A unit (hereinafter, referred to as an LCD driver) 22 includes a CPU (center
(Processing unit) based on a control signal from the
By writing display data to the display buffer 23
Thus, the calculation result, message, and the like are displayed on the display unit 3. An input unit 2 composed of the input key group 4 and the like
Input signal from the CPU 2 via the input / output port 25
1 and sent to the CPU 21 based on the input signal.
It is determined, for example, from which key
You. ROM (read only memory) 26 displays characters
Characters that are used when
CG data part 27 as a data generator
A program that stores the program used to execute the function
It has a portion 28. The RAM 29 serving as the storage unit receives the input data.
Memory area and CPU for storing stored data
21 to temporarily store data when performing arithmetic processing by 21
And a second memory area. The first memory cell
Rear, schedule, address, memo or amount
Data section 30 storing data such as
Password record that memorizes the password for mode release
Memory 31, secret mode is secret off mode
Mode (mode for displaying confidential data).
There is a secret mode flag 32. Also,
As the second memory area, the data stored in the data unit 30 is used.
Amount data that is extracted and stored only once
Data stored in the data storage unit 33 and the data unit 30.
The secret that only the secret flag data
Data stored in the dense flag storage unit 34 and the data unit 30
Used to read, display and modify
Buffer unit 35, calculation result for temporarily storing the calculation result
There is a storage unit 36. Further, the second memory
There is a data section 30 in the rear to execute each of the above functions.
And one data is being imported.
A flag (not shown) indicating that there is one data entry;
One case to correct the data stored in the data section 30
That the data of
1 data correction flag (not shown)
ing. In this embodiment, as will be described later in detail.
In various processes, data stored in the data unit 30 is stored.
The data is transferred to the buffer unit 35. In addition, secret hula
Is transferred to the secret flag storage unit 34,
The data is transferred to the amount data storage unit 33. Also,
Secret stored in secret mode flag 32
When the bit mode data is “0”, secret data is displayed.
The secret-off mode. On the other hand, if "1"
Secret-on mode that does not display secret data
Represents The RAM 29 is backed up by a battery 37.
When the power is turned off, the stored contents are retained. FIG. 3 shows the data section 30 of the RAM 29.
Pocket book data that stores the "pay pocket book data"
The concept of the structure of the storage area 41 is shown. One data is stored
The data length area 42 provided at the beginning of the area
Indicates the data length of the data. This data length
And jumps to the beginning of the next data based on
You can. The secret flag 43 indicates that the data is secret.
If it is dense data, the secret flag data "1" is stored,
If not secret data, secret flag data "0" is stored.
It is. In the amount area 44, the amount of money in and out of the pocketbook (correct
Number is income, negative number is expenditure)
The area 45 stores the date of payment. Also, the contents
The area 46 stores the contents of deposits and withdrawals. That is, in the present embodiment, the above “secret”
The secret data designating section is constituted by the “secret” key 13 and
The confidential information storage area is constituted by the lag 43,
Secret mode designating section by pressing
And the above-mentioned operation command part is constituted by the "total" key 14.
Then, the above-mentioned calculation procedure storage unit is configured by the program unit 28,
The above-mentioned arithmetic processing unit, secret data arithmetic processing unit, secret
The secret data generation unit, secret data generation unit, and password deletion unit
Configure and delete the above secret information with the “Delete secret information” key 15
It constitutes a command unit. Next, as described above, the data
30 is stored in the pocketbook data storage area 41
How to keep data confidential for various data
And how to use the stored data
The arithmetic processing will be described. FIG.
LCD driver 22, input / output port 25 and RAM
Pocket book data display processing operation executed under the control of
It is a flowchart of work. Hereinafter, according to FIGS.
Now, the pocketbook data display processing will be described in detail.
Here, the input key group 4 is operated in advance, and FIG.
As illustrated, the pocketbook data is the data in the RAM 29.
Stored in the pocketbook data storage area 41 in the unit 30
It is assumed that Also, secret mode flag
32 has a secret mode according to the secret mode.
It is assumed that code data is stored. In step S1, "ON" of the input key group 4
The key 6 is pressed to turn on the power. Step S
In step 2, the "pocket book" key 16 of the input key group 4 is pressed.
It is determined whether it has been done. Then, "pocket book" key 1
6 is pressed and the application mode changes to the pocketbook function
When it is determined that has been set, the process proceeds to step S3. Stay
In the step S3, the small
The first data is read from the accounting data storage area 41.
The data is transferred to the buffer unit 35. In addition, secret hula
The secret flag data “SE” stored in the
Transferred to the dense flag storage unit 34 and stored in the money amount area 44
The stored amount data "CNT" is stored in the amount data storage unit 3.
3 is transferred. In step S4, the secret mode
Secret mode data S stored in flag 32
It is determined whether or not M is "1". As a result, "1"
If so, go to step S5; otherwise, go to step S5.
Skip S5. In step S5, the secret flag
The secret flag data SE stored in the storage unit 34 is “1”.
It is determined whether or not there is. As a result, if "1",
Proceed to step S10, otherwise proceed to step S6
No. In step S6, the data stored in the buffer
The first data is the display buffer 2 of the LCD driver 22.
3 and the first data is displayed on the display unit 3.
You. In step S7, the input key group 4
It is determined whether the "OFF" key 7 has been pressed. That
As a result, if the button has been pressed, the process proceeds to step S11.
If so, the process proceeds to step S8. In step S8, the above
It is determined whether the "" key 9 has been pressed.
As a result, if the button has been pressed, the process proceeds to step S10; otherwise,
If so, the process proceeds to step S9. In step S9, the above “total”
It is determined whether the key 14 has been pressed. as a result,
If the button is pressed, the calculation of the amount of money for the pocket book shown in FIG.
Move to step S23 in the flowchart of the processing operation
Then, as will be described in detail later,
Is executed. On the other hand, if not pressed, step
Returning to S7, the "off" key 7, the "forward" key 9 or
It waits until any one of the “total” keys 14 is pressed. At step S10, the above-mentioned pocketbook data is stored.
The next data is read from the area 41 and the buffer unit 35
Is forwarded to Furthermore, it is stored in the secret flag 43.
The secret flag data SE is transferred to the secret flag storage unit 34.
The amount data C sent and stored in the amount area 44
NT is transferred to the amount data storage unit 33. Such
Thereafter, the process returns to step S4 to process the next data.
Is executed. Then, in the above step S7
If it is determined that the "OFF" key 7 has been pressed, step S11 is performed.
Proceed to. In step S11, a power-off process is executed,
The pocketbook data display processing operation ends. The above-mentioned pocketbook data display processing operation is "power supply
Starts with "on" and ends with "power off"
However, the present invention is not limited to this. That is, "Small
Monitor the pressing of the "book" key 16 and press the "book" key 1
When the button 6 is pressed, the operation proceeds to the pocketbook data display processing operation.
You may make it. FIGS. 5 and 6 show pocket money as shown in FIG.
To the pocket book data stored in the book data storage area 41
Based on the above, the pocketbook data display processing operation is executed.
6 is a display example of the display unit 3 in a case where it is performed. However, FIG.
Secret mode is secret-off mode.
FIG. 6 shows that the secret mode is the secret on mode.
This is the case for the code. Hereinafter, according to FIGS.
When secret mode is secret-off mode
The operation of the pocketbook data display processing described above is explained using a specific example.
I will tell. As described above, the "paybook" key 16 is pressed.
Application mode set to pocketbook function
And the first data from the pocketbook data storage area 41
Is read. … Step S1 to Step S3 In advance, the secret mode flag 33 is set to “0”.
The secret mode data SM is stored
, The first data transferred to the storage buffer 35
(“Date”, “amount” and “contents”) as shown in FIG.
Is displayed on the display unit 3. … Steps S4 and S6 Further, the "forward" key 9 is depressed.
The second data is read out and transferred to the storage buffer 35.
The second sent data is displayed as shown in Fig. 5 (b).
Displayed on the display unit 3. At that time, the pocketbook data storage area
“1” stored in the secret flag 43 in the area 41
Based on the secret flag data SE of
The bolt 47 is displayed. … Steps S7, S8, S10,
S4, S6 Hereinafter, similarly, the third data is shown in FIG.
The fourth data is displayed as shown in FIG.
It is displayed. Next, FIG. 1 to FIG. 3 and FIG.
The above pocketbook data in the case of
The data display processing operation will be described. As mentioned above,
Keypad 16 is pressed and application mode is pressed
Is set to the pocketbook function, and the data section 30 of the RAM 29 is set.
From the pocketbook data storage area 41 in
Data is read. … Step S1 to Step S3 The secret mode flag 33 is set to "1" in advance.
Secret mode data SM is stored.
The secret flag 43 in the account book data storage area 41
Since the secret flag data SE of “0” is stored,
The first data transferred to the storage buffer 35 is
The information is displayed on the display unit 3 as shown in FIG. At that time,
Based on the secret mode data SM of “1”,
The secret on mode symbol 48 is displayed.
You. … Step S4 to Step S6 Further, the "forward" key 9 is depressed.
The second data is read out using the secret flag data
Since the data is "1", the third data is read.
... Steps S7, S8, S10, S4, S5, S10 The secret flag data SE is "0".
Thus, as shown in FIG.
Displayed on the display unit 3 together with the toon mode symbol 48.
You. … Step S4 to Step S6 Hereinafter, in the same manner as in the case of the second data, the fourth data
The data is not displayed. Next, an operation using the secret data is performed.
An example of the process will be described. FIG. 7 (a) shows the CPU
LCD driver 22, input / output port 25 and
And totaling of pocket money carried out under the control of RAM 29
It is a flowchart of a calculation processing operation. Hereinafter, FIG. 1 to FIG.
According to FIG. 3 and FIG.
And will be described in detail. Here, the input key group 4
Is operated, and as shown in FIG.
Is the pocketbook data format in the data section 30 of the RAM 29.
It is assumed that it is stored in the storage area 41. Also seek
The secret mode flag 32 is set to secret mode.
The corresponding secret mode data SM is stored.
Shall be. In step S21, the "small"
It is determined whether the "book" key 16 has been pressed.
Then, the "payment book" key 16 is depressed and the application
If it is determined that the payment mode is set to the pocketbook function,
Proceed to step S22. In step S22, the above “total” key
It is determined whether -14 has been pressed. And press
If it is determined that it has been performed, the process proceeds to step S23. In step S23, the secret mode is set.
• Secret mode data S stored in flag 32
It is determined whether or not M is "1". As a result, "1"
If so, go to step S30; otherwise, go to step S30.
Proceed to S24. In step S24, the calculation result of the RAM 29 is calculated.
Initializes the operation result data TOTAL stored in the result storage unit 36.
The value “0” is set. In step S25, the above pocket money
The first data is read from the book data storage area 41.
Then, the data is transferred to the buffer unit 35. In addition, secret flags
The data SE is transferred to the secret flag storage unit 34, and the amount
The data CNT is transferred to the amount data storage unit 33. In step S26, the operation result data TOTA
The amount stored in the amount data storage unit 33 in the content of L
The contents of the data CNT are added. In step S27,
The following data is stored in the pocketbook data storage unit 41.
It is determined whether or not there is. As a result, if stored
Proceed to step S28, otherwise proceed to step S29.
No. In step S28, the pocketbook data storage area 41
The next data is read from the
It is. Furthermore, secret flag data SE and amount data
The transfer of the data CNT is performed as described above. After that,
Returning to step S26, the process for the next data is performed.
Be executed. Then, in step S27, the following
If it is determined that there is no data, the process proceeds to step S29. Stay
In step S29, the contents of the calculation result data TOTAL are summed up.
Displayed on the display unit 3 as a result,
The processing operation ends. In step S30, the input key group 4 is operated.
Password to release secret mode
Is determined. And entered
Is determined, the process proceeds to step S31. In step S31,
The entered password is stored in the password in the RAM 29.
Whether the password matches the password stored in the section 31
Is determined. As a result, if they match, step S32
Otherwise, return to step S30 and start a new
Wait for a password to be entered. In step S32, the secret mode
-The content of the data SM is changed to "0". After that,
Steps S24 to S28 are executed, and the steps
In step S29, the result of the totaling (the calculation result data TOTAL
(Contents) is displayed on the display unit 3, and the calculation
The processing operation ends. That is, in this embodiment, the CPU
Pocket book sum total calculation processing executed under the control of 21
By the above step S23 in the operation flowchart
In particular, the secret mode determination means of the arithmetic processing unit is configured.
In step S31, the password determination step is performed.
A step is formed, and the secret is set in step S32.
The step S24 to the step
The calculation means is constituted by the step S28. As described above, the pocketbook in the present embodiment
Set secret mode in the amount totaling process
Is secret on mode,
Change to the default mode and sum the sum of all
calculate. As a result, the set secret mode
Secret-off mode even in let-on mode
, The same total result as shown in Fig. 7 (b) is displayed.
It is displayed on the unit 3. Thus, this way
The tabulation result displayed in Part 3 is a collection of the secret data.
I don't know if it's a total result or not
You are free from worry. Next, the confidential data is collectively deleted.
Will be described. FIG.
LCD driver 22, input / output port 25 and RAM
Pocketbook Secret Data Deletion Process Implemented Under Control of 29
It is a flowchart of a logical operation. Hereinafter, FIGS.
8 and about the pocketbook secret data deletion process according to FIG.
This will be described in detail. Here, the input key group 4 is operated in advance.
As shown in FIG. 3, the pocketbook data is R
Pocketbook data storage area in data section 30 of AM 29
It is assumed that it is stored in the area 41. In addition,
Mode flag 32, depending on the secret mode
Secret mode data SM
And At step S41, the "small"
It is determined whether the "book" key 16 has been pressed.
Then, the "payment book" key is pressed and the application
If it is determined that the mode has been set to the pocketbook function,
Proceed to step S42. In step S42, the “secret information
It is determined whether or not the "delete" key 15 has been pressed.
If it is determined that the button has been pressed, the process proceeds to step S43. In step S43, the calculation result of the RAM 29 is obtained.
Initializes the operation result data TOTAL stored in the result storage unit 36.
The value “0” is set. In step S44, the above pocket money
The first data is read from the book data storage area 41.
Then, the data is transferred to the buffer unit 35. In addition, secret flags
The data SE is transferred to the secret flag storage unit 34, and the amount
The data CNT is transferred to the amount data storage unit 33. In step S45, the secret flag storage unit 3
4 is the secret flag data SE stored in "4"
It is determined whether or not it is. If the result is "1", the step
Proceed to S46, otherwise proceed to Step S48. Stay
In step S46, the amount data is added to the content of the calculation result data TOTAL.
Of the price data CNT stored in the data storage unit 33
Is added. In step S47, the above-mentioned pocketbook data
From the data stored in the storage area 41,
The embedded data is deleted. In step S48, the above pocket money
Whether the following data is stored in the book data storage unit 41
It is determined whether or not it is. As a result, if stored,
The process proceeds to step S49, otherwise proceeds to step S50. S
In step S49, the following is stored in the pocketbook data storage area 41.
Is read and transferred to the buffer unit 35.
Further, secret flag data SE and amount data CN
The transfer of T is performed as described above. After that,
Returning to step S45, the processing for the next data is executed.
It is. Then, in step S48, the following
If it is determined that there is no data, the process proceeds to step S50. Stay
In step S50, the calculation result obtained in step S46 is obtained.
The contents of the result data TOTAL are used as money data, and the secret flag data
Data SE is set to "1", and the process proceeds to step S47.
Date data in the secret data deleted
One piece of secret data with the latest date data as the date data
Created and newly written in the pocketbook data storage area 41
I will. In step S51, the seek of the RAM 29 is performed.
Secret mode stored in the secret mode flag 32.
The contents of the load data SM are changed to “0” and the secret
The cut mode is set to the secret-off mode.
In step S52, the password storage unit 3 of the RAM 29
The password stored in 1 is deleted. Such
Thereafter, the pocketbook secret data deletion processing operation ends. That is, in this embodiment, the CPU
Pocketbook secret data deletion processing executed under the control of 21
Step S43 to Step S43 in the flowchart
Steps S46, S48 and S49 allow the above-mentioned secret data calculation processing unit
And the secret data is deleted in step S47.
And the secret data is stored in step S50.
A data generation unit, and the above-described path
It constitutes a word deletion unit. As described above, the pocketbook in the present embodiment
In the operation of calculating the amount of money, as shown in FIG.
The secret data stored in the book data storage area 41 is
When deleting together with the password, as shown in FIG.
The aggregated value of the monetary data in all secret data
Keep it as dense data. Therefore, the book
According to the embodiment, the pocketbook secret data deletion processing operation execution
Previously, in the pocketbook amount calculation processing operation shown in FIG.
Deletion of the sum total of the amount of money obtained and the pocketbook secret data
After executing the processing operation, the above-mentioned pocket book amount calculation processing operation
The sum total value is the same as the sum total value obtained.
That is, according to the present embodiment, the password is forgotten.
Secret data that is no longer needed
No inconvenience arises even if it is deleted. Next, the secret mode is set.
The case will be described. FIG. 10 shows the control of the CPU 21.
Of secret mode setting processing operation
It is a flowchart. Hereinafter, FIGS. 1, 2 and 10
According to the secret mode setting process
explain. Here, the input key group 4 is operated in advance.
The password is stored in the password storage unit 31 of the RAM 29.
Stored secret mode according to secret mode
Mode data SM is stored in secret mode flag 32.
Shall be delivered. The schedule function, address book function, menu
Fig. 4 shows various functions such as
When executed as described above, the CPU 21 constantly
Whether the “secret mode” key 12 has been pressed
Is being monitored. And "secret mode" key
-12 is determined to have been pressed,
The routine is interrupted and the secret mode setting process is performed.
The operation starts. In step S61, the secret mode is set.
The secret mode data stored in the flag 32
It is determined whether the data SM is "1". as a result
If “1”, the process proceeds to step S63; otherwise, the process proceeds to step S63.
Proceed to step S62. In step S62, the secret
The content of the mode data SM is changed to "1". So
After that, the secret mode setting operation
The routine related to the interrupted function is restarted. In step S63, the input key group 4 is operated.
Password to release secret mode
Is determined. And entered
When the determination is made, the process proceeds to step S64. In step S64,
The entered password is stored in the password in the RAM 29.
Whether the password matches the password stored in the section 31
Is determined. As a result, if they match, step S65
Otherwise, return to step S63 and newly
Wait for a password to be entered. In step S65,
The contents of secret mode data SM are changed to "0".
It is. After that, the secret mode setting calculation
Ends the operation and resumes the interrupted function routine
Is done. The RAM 29 is covered by a battery 37.
Has been backed up, the RA
Stored in secret mode flag 32 in M29
The contents of the secret mode data SM
Until the “secret mode” key 12 is pressed,
It is retained even if the power is turned off by pressing the “OFF” key 7
It is done. Also, the sheet set as described above
When secret mode is secret-on mode
As shown in FIG. 6, a predetermined area on the display unit 3 is
A secret on mode symbol 48 is displayed
You. Next, the pocketbook data in the data section 30
Stored in the secret flag 43 in the storage area 41
The setting of the secret flag data SE will be described. FIG.
Reference numeral 1 denotes a secret flag implemented under the control of the CPU 21.
It is a flowchart of a log data setting processing operation. Less than
Below, according to FIG. 1 to FIG. 3 and FIG.
The data setting process will be described in detail. In step S71, the "small"
It is determined whether the "book" key 16 has been pressed.
Then, the "payment book" key is pressed and the application
If it is determined that the mode has been set to the pocketbook function,
Proceed to step S72. In step S72, the "secret" key 1
It is determined whether 3 has been pressed. And pressed
If it is determined that it has occurred, the process proceeds to step S73. In step S73, the data stored in the RAM 29
"1" is set to the one-data entry flag
By checking whether or not
Whether data is being input or not.
Is determined. As a result, if the above one data is being input
Proceed to step S75, otherwise proceed to step S74.
No. In step S74, the above-mentioned
Is "1" set in the 1-data correction flag?
Checking whether or not one data is being modified
It is determined whether or not there is. As a result, the data
If it is, go to step S75.
Proceed to step S78. That is, the secret flag data
The setting is for the case of inputting one data or for correction
It can be executed only in the case of. In the step S75, the RAM 29
The secret flag stored in the secret flag storage unit 34
It is determined whether or not the content of the data SE is "1".
As a result, if “1”, the process proceeds to step S76, and
If not, the process proceeds to step S77. In step S76, the upper secret
Secret flag data stored in flag storage unit 34
After the content of SE is changed to “0”, the process proceeds to step S78.
No. In step S77, stored in the secret flag storage unit 34
Of the secret flag data SE is changed to "1"
Is done. In step S78, the "input" key 11 is
It is determined whether or not the button has been pressed. And when pressed
If it is determined, the process proceeds to step S79. In step S79,
During input in the pocketbook data storage area 41 or
The contents of the secret flag 43 relating to the data being corrected
Secret flag data S stored in lag storage unit 34
Rewritten with the contents of E. After that, the secret flag
The data setting processing operation ends. The secret flag data set in this way is
The contents of the data are stored in the RAM 29 by the battery 37 as described above.
Backed up, so even if the power is turned off
Is held. Also, as described above, the secret flag
When "1" is set as the data SE, FIG.
As shown in FIG.
The data symbol 47 is displayed. As described above, in this embodiment, the RA
Password storage unit 31, secret mode in M29
A flag 32 and a secret flag storage unit 34 are provided.
In addition, in the above-mentioned pocket book totalization calculation processing,
The secret mode of "1" is set in the secret mode flag 32.
Secret data is stored and secret mode is
If set to the secret-on mode,
Secret mode data S
Change the content of M to “0” and switch to secret-off mode
I am trying to change it. Therefore, the above secret
Even if secret mode is secret-on mode
Even in the let-off mode, the data section of the RAM 29
30 is stored in the pocketbook data storage area 41
The sum of all the amount data is calculated. That is, according to the present embodiment, the individual
Using pocketbook data with klet information
Mixed secret and non-secret data
Arithmetic processing can be performed. Also, at that time,
Ton-on mode and secret-off mode
Similarly, the sum of all the amount data is obtained. But
Therefore, the operator added the secret data to the obtained operation result.
There is no worry about whether it is a value or not. If the password is forgotten,
Pocket money to erase the above secret data with password
At the time of book secret data deletion processing, the secret flag storage unit 3
Refer to the contents of No. 4 and the pocketbook data which is the above secret data
After summing up the amount data of the
It is deleted from the data section 30 of M29. And got
Create new pocketbook data with aggregated value as money data
The password stored in the password storage unit 31.
The password is erased. Therefore, above
Before and after secret data is deleted from the data section 30
Thus, the same sum of money can be obtained. In the above embodiment, of the various functions
The pocketbook function is described as an example. However, this
The invention can be applied to functions other than the above pocketbook function
Needless to say. Also, the pocketbook in the above embodiment.
Data display processing operation, pocket book sum calculation operation, small
Secret book secret data deletion processing operation, secret mode setting
The fixed processing operation and the secret flag data setting processing operation
The flow charts shown in FIG. 4, FIG. 7 (a), FIG. 8, FIG.
-It is not limited to charts. In addition, the above implementation
In the example, a system is used as an example of the electronic device of the present invention.
It mentions electronic organizers, but even personal computers
I do not care. [0067] As is clear from the above, the present invention relates to claim 1.
The electronic device of the inventionSecret by secret information deletion command part
When data deletion is instructed, the secret data calculation
Therefore, the operation procedure stored in the operation procedure storage is followed.
Using all the secret data stored in the storage
After executing the arithmetic processing, the secret data deletion unit
Delete the data along with the corresponding confidential information,
By the secret data operation processing unit.
The above result is stored as new secret data together with secret information.
After the password is stored in the
Delete the password registered in the registration section.
Calculate processing after deleting secret data and password
Is generated by the above secret data generator.
Using the new secret data stored in the storage unit
Results in exactly the same result as before the deletion.
You. Therefore, according to the present invention, the password is forgotten.
The secret data that has become useless due to
Before deleting confidential data
The same operation result can be obtained. [0068] [0069]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external view of a system electronic organizer as an example of an electronic device of the present invention. FIG. 2 is a block diagram of the system electronic organizer shown in FIG. 1; FIG. 3 is a conceptual diagram showing a structure of a pocketbook data storage area of a data part in FIG. 2; FIG. 4 is a flowchart of a pocketbook data display processing operation performed under the control of a CPU in FIG. 2; FIG. 5 is a diagram showing a change in the display result of the pocketbook data in the secret-off mode. FIG. 6 is a diagram showing a transition of a display result of pocketbook data in a secret-on mode. FIG. 7 is a flowchart showing a pocket book sum totaling calculation operation performed under the control of the CPU in FIG. 2 and a diagram showing the calculation result. FIG. 8 is a flowchart of a pocketbook secret data deletion processing operation executed under the control of the CPU in FIG. 2; FIG. 9 is a diagram showing a state of a pocketbook data storage area after a pocketbook secret data deletion process. FIG. 10 is a flowchart of a secret mode setting processing operation performed under the control of the CPU in FIG. 2; FIG. 11 is a flowchart of a secret flag / data setting processing operation performed under the control of the CPU in FIG. 2; [Explanation of reference numerals] 3 ... Display unit 4 ... Input key group
9 ... "forward" key, 12 ... "secret mode" key, 13 ... "secret" key,
14 ... "Total" key, 15 ... "Confidential information deletion" key,
16 ... "pocket book" key, 21 ... CPU,
22 ... LCD driver, 29 ... RAM,
30 data part, 31 password storage part, 32 secret mode flag,
34: secret flag storage unit, 36: calculation result storage unit, 41: pocketbook data storage area, 43: secret flag, 44: amount area, 46: content area, 47: secret data symbol, 48: secret-on mode ·symbol.

Claims (1)

(57) [Claims] 1. A data input from an input unit is stored in a storage unit.
Memorized and specified by the secret data specification section
Whether data stored in the storage unit is secret data
Secret information stored in the storage unit is stored.
Area and store it in the secret
The password is specified by the
Depending on the secret mode that indicates whether to allow display
The data stored in the storage unit by the display unit.
In an electronic device for displaying with reference to secret information, Execution of arithmetic processing using data stored in the storage unit
An operation command unit for commanding An operation procedure storage unit in which the operation procedure is stored; When execution of arithmetic processing is instructed by the arithmetic
According to the operation procedure stored in the operation procedure storage unit.
Calculation processing using the data stored in the storage unit
An arithmetic processing unit to execute;Register a password to register a preset password.
Recording department, Command deletion of secret data stored in the storage unit
Secret information deletion command section, The secret information deletion command unit indicates that secret data is to be deleted.
When the command is issued, the operation processing stored in the operation procedure storage
Follow the procedure described in
Secret data arithmetic processing that performs arithmetic processing using dense data
With the department Calculation processing by the secret data calculation processing unit has been executed
Secret data that deletes secret data along with the corresponding secret information
Data deletion unit, In response to the calculation result by the secret data calculation processing unit,
Calculation result as new secret data together with secret information
A secret data generation unit stored in the storage unit; The secret data generation unit converts the calculation result into secret data.
When the password is stored in the storage unit as
Password to delete the password registered in the recording section
Delete section An electronic device comprising: