JP2615552B2 - Data storage device - Google Patents

Description

Description: TECHNICAL FIELD [0001] The present invention relates to a data storage device for calling and displaying stored data.

[Prior art and its problems] In recent years, data according to classification previously input and stored in a semiconductor memory or the like is called and displayed on a display unit, and is used as a telephone directory, an address book, a schedule table, a time table, and a general notepad. A classified data storage device having an electronic memo function to be used has been developed and commercialized. To enter data in this classified data storage device, operate the "TEL" key or "MEMO" key to select the function of the phonebook or memo pad, then set the input mode, and then use the normal touch key operation This is performed by a touch input method or a finger input method of writing characters with a finger on a touch panel arranged in a matrix in some models, and the input data is sequentially stored. . Then, when calling the stored data, after setting the output mode, after selecting the telephone directory function, the corresponding telephone number will be displayed only by designating the person's name or its initials. After the function is selected, the stored data is recalled and displayed from the beginning in the order of input according to the "MEMO" key operated continuously.

However, as described above, when the memo pad function is selected, the data is stored, and when the stored data is recalled, the “MEMO” key must be operated many times depending on the storage order of the data. May be troublesome. Also,
In particular, if the stored data is data indicating a schedule, it is difficult to understand the correspondence between the date of the data and the actual date, so that the function as a memo pad cannot be fully exhibited. there were.

[Object of the Invention] The present invention has been made in view of the above-mentioned circumstances, and displays a calendar and touches and specifies an arbitrary date portion of the displayed calendar.
It is an object of the present invention to provide a data storage device capable of inputting and outputting schedule data relating to the date.

[Summary of the Invention] A data storage device according to the present invention includes a display unit, a transparent touch panel provided on the display unit, which outputs key data corresponding to a touch point when a touch operation is performed, and the display unit Calendar display means for displaying calendar data of the month, calendar specifying means for specifying a calendar of a specific year and month to be displayed on the display means, and a calendar for a specific year and month specified by the calendar specifying means. Date specifying means for specifying the date of the specific year and month corresponding to the touch point based on the key data output from the touch panel when displayed on the means, and the specific Data storage means having a storage area corresponding to the date of year, month, and data selection means for selecting a data input mode and a data output mode Data for which schedule data can be input and set to display the calendar display of the specific year and month displayed on the display means when the data input mode is selected by the mode selection means and the date is specified by the date specification means. A first display switching means for switching to an input screen; and a first display switching means for obtaining the data switched by the first display switching means based on key data output from the touch panel when the input screen is displayed on the display means. Data writing means for writing schedule data to be stored in the storage area of the data storage means corresponding to the specific date specified by the date designating means; and writing data to the data storage means by the data writing means. When the writing of the schedule data is completed, the display on the display means changes from the data input screen to the Second display switching means for switching and displaying a calendar display of a specific year and month designated by the calendar designation means, and when a data output mode is selected by the mode selection means and a date is designated by the date designation means. Data reading means for reading the schedule data corresponding to the designated date from the storage area of the data storage means, and data display means for displaying the schedule data read by the data reading means on the display means. With this configuration, the user can store or read out the schedule related to the date only by touching the date on the calendar of the display means.

Further, when the schedule data corresponding to the date is stored in the data storage means, the display screen of the display means is changed by the second display switching means from the data input screen of the schedule data to the specific date specified when the previous schedule data was input. Since the display returns to the calendar display of, the input operation of the next schedule data becomes easy, which is convenient for use.

[Embodiment of the Invention] Hereinafter, a data storage device according to the present invention provided with a small electronic computer function will be described with reference to the drawings. FIG. 1 shows the external configuration, wherein 1 is a case body,
On the upper surface of the case body 1, a power-on key (ON) 2a,
Power off key (OFF) 2b, All clear key (AC) 2c to clear all display contents, Calendar key (CALE) 2d to specify calendar mode, Calculation key (CAL) 2e to specify calculation mode, Touch key input mode Input mode setting key (IN) 2f to specify, output mode setting key (OUT) 2g to specify touch key output mode, "KEI" key 2h to specify file name search for specified month, and return key 2i to execute data input And a display unit 3 composed of, for example, a liquid crystal display element. For example, as shown in the drawing, the display unit 3 displays a year, a month name, and a calendar for the month in a calendar mode. Further, in a portion corresponding to the calendar display indicated by a broken line in the figure on the display unit 3, a plurality of classification keys 4 using transparent electrodes are provided integrally with the display unit 3. The classification key 4 is composed of a total of 42 matrix-like keys of 6 × 7 so as to correspond one-to-one to numerical values indicating dates displayed in the calendar.

Next, the configuration of an electronic circuit provided in the case body 1 will be described with reference to FIG. In the figure, reference numeral 11 denotes a counter for key sampling of the classification key 4 and the key input unit 2. The count signal of each column of the counter 11 is sent to the key input unit 2 via the classification key 4 and stored in the memory. It is also sent to the area addressing unit 12 and the latch circuit 13. The key output signal of the classification key 4 is also input to the memory area address designation section 12, and the classification key whose operation key is determined from the count value signal of the counter 11 and the key output signal is determined. The key input unit 2 sends a key output signal to the latch circuit 13 in response to the count value signal sent from the counter 11 via the classification key 4. The latch circuit 13 latches the count value signal from the counter 11 and the key output signal from the key input unit 2, and outputs the latched data to the encoder 14. The encoder 14 encodes data from the latch circuit 13 to determine an operation key in the key input unit 2 and outputs the result of the determination to the CPU 16 via the input buffer 15. The CPU 16 performs a control operation of the entire circuit. The CPU 16 performs input / output of data with an arithmetic control unit 17, a previous month memory 18, a display buffer 19, a file management unit 20, and a schedule data read / write control unit 21. ,
The data is output to the calendar operation unit 22. The file management unit 20 includes the number of files constituting the data RAM described later,
For example, the names of 20 files and their file addresses are stored and managed in association with each other.
A file name is appropriately searched under the control of U16, and the file address data of the searched file is output to the file address specifying unit 23. The file address specification unit 23
According to the file address data input from the file management unit 20, a file to be written / read to / from the data RAM 24 and the display RAM 25 is designated. The data RAM 24 has 20 files as described above, and among them, the first file with the file address “0” to the eighteenth file with the file address “17” store the monthly schedule data. File, file address "1
The 19th file of "8" stores the calculation data that stores the numerical values and function code data required for calculation, and the 20th file of the last file address "19" stores the code data of alphabets, numerical values, and various symbols required for data input. Input data file. Each of these 20 files is divided into a total of 42 memory areas, 6 × 7, corresponding to the classification key 4, and is assigned to the memory area address designation section 21 at the file address designated by the file address designation section 23. If the data at the designated memory address is, for example, a schedule data file from the first file at the file address “0” to the eighteenth file at the file address “17”, the schedule data read / write controller 21 The read / write is controlled by, and the calculation file and the file address “19” which are the 19th file of the file address “18”
If the input data file is the twentieth file, the read control is performed by the code data read control unit 26. The code data read control unit 26 outputs the code data read from the calculation file of the data RAM 24 and the input data file to the CPU 16. The calendar operation unit 22 stores the month data from the CPU 16 in an internal month memory 22a, and performs an operation based on the data to calculate the date of the month and the corresponding day of the week. It is output to the calendar pattern creation unit 27. The calendar pattern creating unit 27 creates calendar pattern data to be displayed according to the operation data input from the calendar operation unit 22,
The data is output to the date data writing control unit 28. The date data writing control unit 28 stores the calendar pattern data created by the calendar pattern creation unit 27 in the calendar pattern RAM designated in the file address designation unit 23 in the display RAM 25.
Write to. The display RAM 25 has 18 calendar patterns RA corresponding to the schedule data file in the data RAM 24.
A calculation pattern ROM 29 connected to the display RAM 25 and storing a display pattern corresponding to the calculation file of the data RAM 24, and input data storing a display pattern corresponding to the input data file of the data RAM 24. A pattern ROM 30 is provided. These data RAM2
4. One of the 20 display pattern data stored in the calculation pattern ROM 29 and the input data pattern ROM 30 is the display pattern according to the file address data specified by the file address specification unit 23 as in the data RAM 24. It is read by the read control unit 31. The display pattern read control unit 31 sends the read display pattern data to the display buffer 19. The display buffer 19 stores a display pattern at a position corresponding to the classification key 4 of the display unit 3 and a character data at a predetermined position according to the display pattern data sent from the display pattern read control unit 31 and the data sent from the CPU 16. Is displayed.

Next, the operation of the above embodiment will be described with reference to FIG. FIG. 3 shows the key operation and the corresponding display state of the display unit 3. At the beginning of the operation, first, the power-on key 2a of the key input unit 2 is operated as shown in FIG.
The key operation signal from the power-on key 2a is transmitted to the latch circuit 13
After being latched by the encoder 14 and encoded by the encoder 14 and input to the CPU 16 via the input buffer 15,
Performs the processing shown in FIG. 4 by this key input. 4th
In the figure, the first step A01 is the last month memory 1
8 is read out, and the file management
0 is searched for the schedule data to be managed, and the schedule data file is
Specified at 23. In this case, for example, the schedule data stored in the memory 18 last month is “1985.5 (“ 1985
If the schedule data managed by the file management unit 20 is “1985.5”, “1985.6”,... In order from the file address “0”, The file management unit 20 is searched according to the content “1985/5” of the month memory 18, and as a result, the file address data “0” is sent to the file address designation unit 23. The file address designation unit 23 designates a file in the data RAM 24 and the display RAM 25 based on the file address data “0”. In the following step A02, the calendar pattern data of the file address "0" of the display RAM 25 designated by the file is read out by the display pattern read control unit 31 to the display buffer 19, and the display buffer 19 displays this on the display unit 3. And here is the third
As shown in FIG. 1A, the calendar pattern for May 1985 is displayed at the position corresponding to the classification key 4 on the display unit 3.

After the calendar pattern is displayed on the display unit 3 in this manner, the keys for setting the mode in step A03, that is, any one of the calendar key 2d, the calculation key 2e, the input mode setting key 2f, and the output mode setting key 2g are operated. When the operation is performed, the processing is performed according to the flowchart of the mode corresponding to the operation key.

Here, when the calculation key 2e is operated as shown in FIG. 3 (2), this key operation signal is latched by the latch circuit 13 and then encoded by the encoder 14, so that the input buffer 15
The CPU 16 performs the processing shown in FIG. 5 by this key input. In the figure, first, in step B01, the CPU 16 causes the file management unit 20 to search for the file name "CAL" indicating the calculation mode, and sends the file address data "18" of the searched file "CAL" to the file address specification unit 23. Then, the file address designation unit 23 is caused to designate the calculation file of the data RAM 24 and the calculation pattern ROM 29. Then step B02
Then, the display pattern data stored in the calculation pattern ROM 29 is read out by the display pattern read control unit 31 to the display buffer 19, and the display buffer 19 transmits the display pattern data in the calculation mode as shown in FIG. 3 (2). Is displayed at a position corresponding to the classification key 4 on the display unit 3.

In the following step B03, touch keys are operated by the sort key 4 according to the display pattern displayed at the position corresponding to the sort key 4 on the display unit 3. In this case, assuming that the operation 12 × 4 = is operated by touch keys as shown in FIG. 3 (3), these key operation signals are respectively transmitted by the memory area addressing unit 12 to the memory area address designation data to the data RAM 24. And sent to the data RAM 24. Here, in the data RAM 24, the file address "1"
8 is specified, and key code data of “1”, “2”, “×”, “4”, and “=” are sequentially stored according to the memory address specification data from the memory area address specification unit 12. It is specified. And these "1",
When the key code data of "2", "x", "4", and "=" are sequentially read by the CPU 16 by the code data read control unit 26, the CPU 16 executes the operation key by inputting the key code data in the subsequent step B04. Alternatively, it is determined whether or not the key operation of the “KEI” key 2h has been performed. In this case, the operated keys are the keys of “1”, “2”, “×”, “4”, and “=”. It is determined that there is, and the process proceeds to step B05. In step B05, the arithmetic control unit 17 executes an arithmetic operation in accordance with the operated arithmetic key. In this case, arithmetic operation 12 × 4 is performed. Next, the process proceeds to step B06, where the CPU 16 reads out the result “48” of the performed operation from the operation control unit 17 and sends it to the display buffer 19, and as shown in FIG.
To be displayed. When the calculation result is displayed, it is determined in step B07 whether any one of the keys for setting the mode again, that is, the calendar key 2d, the calculation key 2e, the input mode setting key 2f, and the output mode setting key 2g has been operated. And
When operated, processing is performed according to the flowchart of the mode corresponding to the operation key. If no operation is performed, the operation from step B03 is repeated again.

Here, as shown in FIG. 3 (4), when "1985.6" is operated by the classification key 4 and then the "KEI" key 2h is operated, "1", "9", "8" are obtained in step B03. ,
After the key code data of "5", ".", And "6" is read by the CPU 16 by the code data read control unit 26, the month of the schedule data is designated in step B04 by "KE
It is determined that the "I" key 2h has been operated, and the process proceeds to step B08. In step B08, the CPU 16 searches for a file name stored in the file management unit 20 according to the key code data “1985.6” sent from the code data read control unit 23. Next, in step B09, the file management unit 20
Then, it is determined whether or not the file name of the designated month can be searched, that is, whether the file name of the designated month exists. Here, as described above, the file address “1”
The file name "1985.6" is stored and set in
Next, proceeding to step B10, the designated month data “198
After inputting "5.6" into the memory 18 last month, the operation from step A01 shown in FIG. 4 is performed.

That is, in step A01, the content "198
In accordance with “5.6”, the file address “1” of the file management unit 20 is read by the file address specification unit 23, and the calendar file is specified. And the next step
At A02, the calendar pattern of "June 1985" is displayed at the position corresponding to the classification key 4 on the display unit 3 as shown in FIG. I do.

If it is determined in step B09 that the file name of the designated month operated by the classification key 4 is not in the file management unit 20, a new calendar pattern is created and the display RAM2 is created.
In order to write to 5, the process first proceeds to step B11, where a new file in the display RAM 25 in which the calendar pattern data is not yet stored is determined from the contents of the file management unit 20, and is designated by the file address designation unit 23. Then step
At B12, the calendar memory 22a of the calendar operation unit 22 of the designated month name operated by the classification key 4 is set and stored, and the date of the designated month and the day of the week corresponding to the date are calculated by the calendar operation unit 22. Then, when this calendar operation is completed, next, in step B13, calendar pattern data is created by the calendar pattern creating unit 27 according to the result of the calendar operation. Next, in step B14, the created calendar pattern data is written by the date data writing control unit 28 to the calendar pattern RAM of the display RAM 25 specified by the file in the file address specification unit 23. After writing to the position corresponding to the file address of the management unit 20, the operation from step B10 is executed.

After the calendar pattern of "June 1985" is displayed in FIG. 3 (4), the input mode setting key 2f for setting the schedule data input mode is operated as shown in FIG. 3 (5). Then, by the key operation signal, CPU1
6 performs the processing shown in FIG. In the figure, first, in step C01, date designation is performed by touch key input operation with the classification key 4, and here, for example, "7 (day)" in the second row and the sixth column indicated by a dashed circle in the figure. It is assumed that a touch key is input at the position of "." This touch key input is input to the memory area addressing unit 12, which specifies the address of the memory area in the second row and the sixth column. In the following step C02, the date data “1985.6.” Written in the memory area specified in the memory area address specifying section 12 in the above-mentioned step C01 of the second file of the data RAM 24 specified in the file address specifying section 23 is stored. 7 '' is read by the CPU 16 by the schedule data read / write
16 sends this date data to the display buffer 19 for display 3
To be displayed. Next, the process proceeds to step C03, where the CPU 16 instructs the file management unit 20 to input the file name “IN” of the input data file.
Is designated, the file address “19” is output from the file management unit 20 to the file address designation unit 23.
According to this, the file addressing unit 23 stores the data RAM 24
, And the input data pattern ROM30. Along with this, in step C04, the display pattern read control unit 31 reads the input pattern stored in the input data pattern ROM 30 and sends it to the display buffer 19. As a result, the display unit 3 displays the date data “1985.6.7” and the calendar pattern in a portion corresponding to the classification key 4 as shown in FIG.

Therefore, as shown in FIG. 3 (7), at step C05, as schedule data, "P", "M", "SP (meaning blank)", "1", ":", "3", "0", "SF (line feed ")""SP""M""E""E""T""T""I"
"N""G""SF""SP""SP""SP""R""0"
Touch keys are input by the classification key 4 in the order of “0” “M” “SP” “3” “3” “5”. These key operation signals are input to the data RAM 24 as memory addressing data by the memory area addressing unit 12.
In the data RAM 24, since the input data file of the file address “19” is specified by the file address specifying unit 23, the key code data corresponding to the above touch key input operation is stored in the code address reading control unit 26 for the memory address specifying data. Output to The code data read control unit 26 sends the key code data to the CPU 16, which sends the key code data to the display buffer 19, and as shown in FIG. Is displayed.

When the input operation using the touch keys is completed, the operation enters a standby state for the operation of the return key 2i for designating the input setting of the schedule data to the data RAM 24 in step C06, as shown in FIG. 3 (8). When the return key 2i is operated, the process proceeds to step C07. In step C07, the storage contents "1985.6" of the previous month memory 18 are read out, the file management unit 20 is searched, and the corresponding file address "1" is sent to the file address specification unit 23 to specify the calendar file. Perform Then, in the following step C08, the date data `` 1985.6.
7 "is read out, and a memory area address corresponding to" 7 (day) "in the second row and the sixth column is specified based on the date data. When the specification of the file and the specification of the memory area address are completed in this way, the schedule data input and operated at step C05 stored in the display buffer 19 is read at step C09, and the schedule data read / write control unit 21 A write operation is performed in the memory area of the designated file. At the stage when the writing is completed, the process proceeds to step A02 in FIG. 4 described above, and the calendar pattern of “June 1985” specified by the file address specifying unit 23 is read from the display RAM 25, and the display pattern read control unit 31 The data is sent to the display buffer 19 and is displayed again on the display unit 3 at a position corresponding to the classification key 4 as shown in FIG.

Next, when the output mode setting key 2g is operated to set the output mode of the schedule data as shown in FIG. 3 (9), the CPU 16 executes the processing shown in FIG. 7 by the key operation signal. In the figure, first, in step D01, the date is specified by touch key input operation with the classification key 4, and here, the second line where the schedule data is input in FIG. 3 (5) to (8) is used. "7" in the sixth column
(Day) "by touch key input. This touch key input is input to the memory area addressing section 12, which causes the memory area addressing section 12 to input the second key.
Specify the address of the memory area in the sixth column of the row. In a subsequent step D02, the date data “1985.6.” Written in the memory area specified in the memory area address specifying section 12 in the above-mentioned step C01 of the second file of the data RAM 24 specified in the file address specifying section 23. 7 "and all data of the schedule data are read out to the CPU 16 by the schedule data read / write control unit 21, and the CPU 16 sends out all the data to the display buffer 19, and FIG.
Is displayed on the display unit 3 as shown in FIG. Then step C0
Proceed to 3 to wait for the operation of the return key 2i. And
When the return key 2i is operated as shown in FIG. 3 (11), the operation from step A01 shown in FIG. 4 is performed.

That is, in step A01, the content "198
In accordance with “5.6”, the file address “1” of the file management unit 20 is read by the file address specification unit 23, and the calendar file is specified. And the next step
In step A02, the calendar pattern of "June 1985" is displayed again at the position corresponding to the classification key 4 on the display unit 3 as shown in FIG. Is to wait.

The schedule data stored and set in the data RAM 24 as described above, after operating the output mode setting key 2g,
By operating the classification key 4 while viewing the calendar pattern displayed on the display unit 3, the display can be easily performed. FIG. 8 shows the display unit 3 operated by such a sort key 4.
Indicates the display state of the schedule data to the user. For example, when a key corresponding to “1 (day)” in the first row and the seventh column of the classification key 4 is operated, “June 1, 1985” is displayed. The schedule data is read from the data RAM 24 and displayed on the display unit 3
Will be displayed. In this case, since no input has been made as the schedule data, only the date data “1985.6.1” is displayed on the classification key 4 and the other schedule data is not displayed. When the key at the position corresponding to "7 (day)" in the second row and the sixth column shown in FIG. 3 is operated, the schedule data of "June 7, 1985" is read from the data RAM 24. Displayed on the display unit 3.
Here, along with the date data, FIG. 3 (5) to (8)
The schedule data PM1: 30 MEETING ROOM 335 that was entered in will be displayed. Furthermore, in the first row of the sixth row, "30
When the key at the position corresponding to "(day)" is operated, the schedule data for "June 30, 1985" is read from the data RAM 24 and displayed on the display unit 3. Again, the above “1”
As in the case of “(day)”, since the schedule data is not input, only the date data “1985.6.30” is displayed, and the schedule data is not displayed.

[Effects of the Invention] As described above, according to the data storage device, a display unit, and a transparent touch panel provided on the display unit and outputting key data corresponding to a touch point when a touch operation is performed, Calendar display means for displaying month calendar data on the display means; calendar designating means for designating a calendar of a specific year and month to be displayed on the display means; and calendar for a specific year and month designated by the calendar designating means Is designated by the date designating means for designating the date of the specific year and month corresponding to the touch point based on the key data output from the touch panel when is displayed on the display means. Data storage means having a storage area corresponding to the date of the specific year and month, and data for selecting a data input mode and a data output mode The schedule data can be input and set to the calendar display of the specific year and month displayed on the display unit when the data input mode is selected by the selection unit and the mode selection unit and the date is specified by the date specification unit. First display switching means for switching to a data input screen, and key data output from the touch panel when the data input screen switched by the first display switching means is displayed on the display means. Data writing means for writing the schedule data obtained in the storage area of the data storage means corresponding to the specific date specified by the date specification means, and the data storage means by the data writing means When the writing of schedule data to A second display switching means for switching and displaying a calendar display of a specific year and month designated by the calendar designation means, and a data output mode being selected by the mode selection means and a date being designated by the date designation means. Data reading means for reading schedule data corresponding to the designated date from a storage area of the data storage means, and data display means for displaying the schedule data read by the data reading means on the display means. With this configuration, the user can store or read the schedule related to the date only by touching the date on the calendar of the display means.

Further, when the schedule data corresponding to the date is stored in the data storage means, the display screen of the display means is changed by the second display switching means from the data input screen of the schedule data to the specific date specified when the previous schedule data was input. Since the display returns to the calendar display of, the input operation of the next schedule data becomes easy, which is convenient for use.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a plan view showing an external configuration, FIG. 2 is a block diagram showing an electronic circuit configuration, and FIG. FIG. 4 is a flowchart showing processing by power-on key operation, FIG. 5 is a flowchart showing processing by calculation key operation, FIG. 6 is a flowchart showing processing by input mode setting key operation, and FIG. FIG. 8 is a flowchart showing processing by an output mode setting key operation, and FIG. 8 is a diagram showing a classification key operation in the output mode and a state of the display unit corresponding thereto. 1 ... case body, 2 ... key input section, 2a ... power on key (ON), 2b ... power off (OFF) key, 2c ... all clear key (AC), 2d ... calendar key (CALE) , 2e
… Calculation key (CAL), 2f …… Input mode setting key (I
N), 2g: Output mode setting key (OUT), 2h: “KE
"I" key, 2i ... Return key (RTN), 3 ... Display,
4 Classification key, 11 Counter, 12 Memory area addressing unit, 13 Latch circuit, 14 Encoder, 15 Input buffer, 16 CPU, 17 Operation control unit, 18 …… Last month memory, 19 …… Display buffer, 20 ……
File management unit, 21 Schedule data read / write control unit, 22 Calendar operation unit, 22a Month memory, 23
…… File addressing part, 24 …… Data RAM, 25…
... Display RAM, 26 ... Code data read control unit, 27 ... Calendar pattern creation unit, 28 ... Date data write control unit,
29 …… Calculation pattern ROM, 30 …… Input data pattern RO
M, 31... Display pattern read control unit.

Claims (1)

(57) [Claims] 1. A display unit, a transparent touch panel provided on the display unit and outputting key data corresponding to a touched point when a touch operation is performed, and a calendar for displaying month calendar data on the display unit Display means, calendar specifying means for specifying a calendar of a specific year and month to be displayed on the display means, and a calendar for the specific year and month specified by the calendar specifying means when the calendar is displayed on the display means. Date specifying means for specifying the date of the specific year and month corresponding to the touch point based on the key data output from the touch panel, and a storage area corresponding to the specific date of the specific year and month specified by the date specifying means A data storage unit having: a data input mode and a data output mode for selecting a data output mode; When the data input mode is selected and the date is specified by the date specifying means, the calendar display of the specific year and month displayed on the display means is switched to a data input screen on which schedule data can be set. Display changeover means; and schedule data obtained based on key data output from the touch panel when an input screen of data switched by the first display changeover means is displayed on the display means. Data writing means for writing in the storage area of the data storage means corresponding to the specific date specified by the means; and writing of schedule data to the data storage means by the data writing means is completed. When the display on the display means is designated by the calendar designating means from the data input screen, Second display switching means for switching and displaying a calendar display of a specific year and month, and when the data output mode is selected by the mode selection means and the date is specified by the date specification means, A data reading means for reading corresponding schedule data from a storage area of the data storage means; and a data display means for displaying the schedule data read by the data reading means on the display means. Storage device.