JPH11184612A - Character input method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a character input method by which even a beginner can easily input characters while enabling a rhythmical high-speed character input by inputting all characters through two times of numerical key operation. SOLUTION: Plural characters printed on operated ten keys 4 are selected by the first key operation and next, the ten key 4 arranged at a position corresponding to a printing position, where the character to be determined out of the plural selected characters is printed, is operated by the second key operation so that the said character to be determined can be determined and inputted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character input method for inputting characters to an electronic device such as a portable telephone or a computer.

[0002]

2. Description of the Related Art In a portable telephone, a telephone number is stored in a memory in correspondence with a destination name such as a name and a company name, and a telephone number can be searched from the destination name when making a call. Some have a registered search function. In such a registration search function, it is necessary to input a destination name together with a telephone number, and since it is impossible to lay out a number of keys on the operation surface of the telephone, the numeric keypad for inputting a telephone number is directly used. It is used to enter the destination name.

FIG. 6 is a plan view showing a character input / display operation unit of a mobile phone disclosed in, for example, Japanese Patent Application Laid-Open No. 6-348383.
Reference numeral 2 denotes a display screen of a liquid crystal display device or the like, and reference numeral 103 denotes a keypad. Two or more English characters and kana characters are assigned to the numeric keys 104 of the keypad 103, respectively. Is registered in a ROM in which a control program for causing the control program to be executed is registered.

FIG. 7 is a block diagram showing the internal configuration of the portable telephone shown in FIG. 6, where 110 is an RF circuit connected to an antenna 111 and 112 is a control circuit connected to the RF circuit 110 via an I / O circuit 113. CPU, 114 is C
ROM, in which a control program for operating the PU 112 is registered; 115, a RAM in which data for operating the control program is registered; 116, a liquid crystal display device control circuit for displaying data from the CPU 112 on the liquid crystal display device 117;
Reference numeral 8 denotes a font ROM in which data to be supplied to the liquid crystal display device control circuit 116 is registered. Keypad 103 is I /
It is connected to the CPU 112 via the O circuit 119.
Note that there are other audio circuits such as a microphone and a speaker as the mobile phone, but they are not shown.

Next, the operation will be described. For example, FIG.
As shown in FIG. 3, three characters “ABC” are assigned to the numeric keypad “2”. When the numeric keypad “2” is pressed once, “A” is pressed. When the numeric keypad “2” is pressed twice, “B” is pressed. Each time the button is pressed, characters such as "A"-"B"-"C" are displayed on the display screen 102 in this order. In order to select and confirm the displayed character, it is necessary to wait for a certain period of time or perform an operation such as pressing another key. Therefore, to input the character "C", the ten key "2"
You have to press the key and the key to confirm the character a total of four times.

[0006]

The conventional character input method is configured as described above. (1) When about ten keys are assigned to one key like a symbol character, the number of key operations is very small. More. (2) If a character to be input is passed by mistake, the key operation must be continued to make one turn. (3) Some operation is required to determine the selected character, which hinders rapid character input. And other issues.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. All characters can be input by two numeric key operations, and rhythmical and high-speed character input is possible. It is an object of the present invention to provide a character input method capable of inputting characters into a character.

[0008]

According to a character input method according to the present invention, a plurality of characters printed on an operated numeric keypad are selected by a first key operation, and then a plurality of characters are selected from among the selected characters. The second key operation of the numeric keypad arranged at the position corresponding to the printing position where the character to be determined is printed is determined, and the character to be determined is determined and input.

In the character input method according to the present invention, a plurality of selected character candidates assigned to the operated numeric keypad are displayed on the display screen by the first key operation, and then the selected character candidates should be determined. By performing a second key operation on the numeric keypad arranged at a position corresponding to the display position where the character is displayed, the character to be determined is determined,
It is for inputting characters.

In the character input method according to the present invention, in a character input method in which a key operation is performed to determine one character from among a plurality of characters assigned to each numeric keypad and input a character, the first key operation In addition to displaying on the display screen a plurality of selected character candidates assigned to the operated numeric keypad, displaying the printed characters of each numeric keypad in correspondence with each selected character candidate, and then determining from the selected character candidates By performing a second key operation on the numeric keypad corresponding to the character, the character to be determined is determined,
It is for inputting characters.

In the character input method according to the present invention, the print characters of each numeric keypad are displayed in an inverted font in correspondence with each selected character candidate.

In the character input method according to the present invention, a symbol key is arranged together with a numeric keypad, and a plurality of symbol characters are assigned to the symbol key. Is displayed on the display screen.

[0013] A character input method according to the present invention includes a table storing a key operated first time and a plurality of selected character candidates assigned to the key in association with each other.
A plurality of selected character candidates assigned to the key operated by referring to the table by the second key operation are displayed on the display screen.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. FIG. 1 is a plan view showing, for example, a character input / display operation unit of a mobile phone. In the figure, reference numeral 1 denotes a telephone body, 2 denotes a display screen of a liquid crystal display device or the like, and 3 denotes a keypad. The keypad 3 is provided with a numeric keypad 4 and symbol keys 5 such as an * key and a # key.

A plurality of characters input by the first key operation are printed on the key top surfaces corresponding to the ten keys 4 and the symbol keys 5, respectively.
The relationship is determined according to the value of the numeric key operated the second time. The table that realizes this relationship is described in CP below.
ROM in which a control program for operating U is registered
Registered in.

FIG. 2 is a block diagram showing the internal configuration of the portable telephone. Reference numeral 10 denotes an RF circuit connected to an antenna 11, and reference numeral 12 denotes a CPU as a control circuit to which the RF circuit 10 is connected via an I / O circuit 13. , 14 is a ROM for registering a control program for operating the CPU 12, 15 is a RAM for registering data for operating the control program, 16 is a liquid crystal display device control circuit for displaying data from the CPU 12 on a liquid crystal display device 17, and 18 is a liquid crystal display device control circuit. Liquid crystal display control circuit 1
6 is a font ROM in which data to be supplied to the ROM 6 is registered.
The keypad 3 is connected to the CPU 12 via the I / O circuit 19. Note that there are other audio circuits such as a microphone and a speaker as the mobile phone, but they are not shown.

Next, the operation will be described. For example, when the character “A” is input, as shown in FIG. 1, the numeric key “2” to which “ABC” is assigned is pressed for the first time, and the selected character candidate “A, B, C” printed on the numeric key is pressed. Select ". Since the letter “A” is printed in the first position in the order of printing, the next numeric key arranged in the corresponding positional relationship is to press the numeric key “1”, the letter “A” is determined, and the display screen is displayed. The letter A is displayed in 2. In order to input the character "B", the user presses the numeric key "2" to which B is similarly assigned and selects the selected character candidate "A, B, C" printed on the numeric key "2". Then, since B is printed at the second position, the character "B" can be determined and input and displayed by pressing the numeric key "2".

In other words, since "A" is located at the first position of "ABC", the numerical key is "2, 1", and "B" is located at the second position, so the numerical key is "2". , 2 ". As described above, the order of the characters printed on the key tops is determined by the numerical keys “1” to “3” operated at the second time.
The input character is determined by operating the key to which the character is assigned the first time, and then operating the numeric key corresponding to the printing position of the character the second time,
It is displayed on the display screen.

As described above, according to the first embodiment, 2
By enabling character input by the second key operation, rhythmical and high-speed character input is possible, and even beginners can easily input characters. Particularly, some telephones in recent years send a text message, but the present invention is particularly effective for creating a text message in such a case. For example, as shown in FIGS.
o! How areyou? "Can be easily created.

Embodiment 2 FIG. 3 shows a table in which the selected character candidates printed on the numerical keys operated for the first time and the values of the numerical keys for fixing the selected character candidates are determined in association with each other. Keys and symbol keys are made to correspond to each other, and upper and lower case characters determined by the numerical keys operated for the second time and symbols to be selected by the symbol keys are made to correspond to each column.

Using this table, for example, the character "E"
Can be input by operating the numerical key "3" for the first time and the numerical key "6" for the second time.
The rhythmical and high-speed character input is possible without the trouble of the character selection operation and the determination operation.

In order to use this table so that characters can be input more quickly and without errors, FIG.
As shown in (1), the selected character candidates printed on the numerical keys operated for the first time are associated with the values of the numerical keys for confirming the selected character candidates, and are listed on the display screen 17a.

According to the second embodiment, the relationship between the values of the numeric keys to be operated for the second time to determine the selected character selected by the first numeric key operation is displayed, so that the numeric keys can be changed. By operating twice, characters can be selected and input immediately.

Embodiment 3 FIG. When the selected character candidate printed on the numeric key operated for the first time and the value of the numeric key for confirming the selected character candidate are displayed in a list on the display screen 17a as in the second embodiment, the selected character If the corresponding numerical values of the candidates and the numerical keys to be operated for the second time are displayed in the same display form, it is difficult to distinguish between the selected character candidate and the numerical values of the numerical keys to be operated for the second time, as shown in FIG.

Therefore, in the third embodiment, as shown in FIG. 4, the corresponding numerical value of the numerical key to be operated for the second time is displayed in an inverted font 20 in correspondence with each selected character candidate. With such a display, it is easy to distinguish the selected character candidate from the corresponding numerical value of the numeric key to be operated for the second time, so that the selected character candidate is easy to see and the character can be input quickly without error.

[0026]

As described above, according to the present invention, a plurality of characters printed on the operated numeric keypad 4 are selected by the first key operation, and then the selected characters are selected from the selected plurality of characters. The second key operation is performed on the numeric keypad arranged at the position corresponding to the print position where the character to be fixed is printed, so that the character to be fixed is determined and the character is input. High-speed character input is possible, and there is an effect that even a beginner can easily input characters.

According to the present invention, a plurality of selected character candidates assigned to the operated numeric keypad are displayed on the display screen by the first key operation, and then a character to be fixed is selected from the selected character candidates. Is configured to operate the numeric keypad for the second time on the numeric keypad arranged at the position corresponding to the display position where is displayed, so that there is an effect that errors in operating the numeric keys to be operated for the second time can be reduced.

Also, according to the present invention, the numerical value corresponding to the numerical key to be operated for the second time is displayed in an inverted font in correspondence with each selected character candidate. This makes it easy to distinguish the numeric key to be used from the corresponding numeric value, makes it easier to see the selected character candidate, and has the effect of enabling quick character input without error.

[Brief description of the drawings]

FIG. 1 is a plan view showing a character input display operation unit of a mobile phone that implements a method of the present invention.

FIG. 2 is a block diagram showing an internal configuration of the mobile phone of FIG.

FIG. 3 is an explanatory diagram showing a table determined by associating a character printed on a keytop with a corresponding numerical value of a numerical key to be operated a second time;

FIG. 4 is a display form diagram of selected character candidates and corresponding numerical values of numerical keys to be operated a second time;

FIG. 5 is a view showing another display mode in comparison with the display mode of FIG. 4;

FIG. 6 is a plan view showing a character input display operation unit of a conventional mobile phone.

FIG. 7 is a block diagram showing an internal configuration of the mobile phone of FIG.

[Explanation of symbols]

 4 Numeric keys, 5 symbol keys.

Claims (6)

[Claims] In a character input method of performing a key operation to determine one character from among a plurality of characters assigned to each numeric keypad and input a character, printing is performed on the operated numeric keypad by a first key operation By selecting a plurality of selected characters, and then performing a second key operation on a numeric keypad arranged at a position corresponding to a printing position where a character to be determined is printed from among the plurality of selected characters, A character input method, wherein the character to be determined is determined and the character is input. 2. In a character input method in which a key operation is performed to determine one character from a plurality of characters assigned to each numeric keypad and input a character, the first key operation assigns the key to the operated numeric keypad. Displaying a plurality of selected character candidates on a display screen, and then performing a second key operation on a numeric keypad arranged at a position corresponding to a display position where a character to be fixed is displayed from among the selected character candidates. A character to be determined, and inputting the character. 3. In a character input method in which a key operation is performed to determine one character from a plurality of characters assigned to each numeric keypad and input a character, the first key operation assigns the key to the operated numeric keypad. The displayed plurality of selected character candidates are displayed on the display screen, and the printed characters of each numeric keypad are displayed in correspondence with each selected character candidate, and then the numeric keypad corresponding to the character to be determined from the selected character candidates is displayed. A character input method comprising: determining a character to be determined by a second key operation; and inputting the character. 4. The character input method according to claim 3, wherein a print character of each numeric keypad is displayed in an inverted font in correspondence with each selected character candidate. 5. A symbol key is arranged along with a numeric keypad, and a plurality of symbol characters are assigned to the symbol key. By operating the symbol key for the first time, the plurality of symbol characters are displayed on a display screen. The character input method according to claim 2 or 3, wherein the character input method is displayed. 6. A table in which a key operated firstly and a plurality of selected character candidates assigned to the key are stored in correspondence with each other, and the table is operated by referring to the table by the first key operation. 4. The character input method according to claim 2, wherein a plurality of selected character candidates assigned to the selected key are displayed on a display screen.