KR0181111B1 - Letter editing method of a pager - Google Patents

Abstract

The present invention relates to a pager character editing method that can easily input, modify and delete various characters even with a limited number of keys.

The pager for performing the character editing method includes at least a memory storing predetermined character keyboard information in a partial region, and at least a liquid crystal display unit for displaying characters, wherein the liquid crystal display unit is divided into two parts during character editing. Character text information stored in the memory is read and displayed, and the other part is processed to display characters selected for editing in the displayed character keyboard, and then the edited characters are stored in another area of the memory. It is done.

Description

How to edit characters in the pager

1 is a view showing the configuration of a general pager.

2A to 2F are diagrams showing a screen of a character editing mode and a character keyboard code displayed on a liquid crystal display of the present invention.

3 is a view showing a processing flow of a text editing method according to the present invention.

FIG. 4 is a diagram showing the configuration of the memory shown in FIG.

* Explanation of symbols for main parts of the drawings

2 antenna 4 select key

6: direction key 8: RF receiver

10 memory 12 microprocessor

14 key array 16 liquid crystal display

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pager, and more particularly, to a text editing method that makes it possible to easily input, modify and delete various characters even with a limited number of keys.

In general, a pager (paging receiver) performs a function of receiving and analyzing a specific type of message and displaying or alerting the message when the message is related to itself.

FIG. 1 shows a general configuration of such a pager. An antenna 2 for receiving a call signal of a calling station and an RF receiver 8 for amplifying, frequency converting, and demodulating an RF modulated signal received through the antenna 2 are shown in FIG. ), A memory 10 for storing its own address data and character editing information for discriminating the pager data, and whether the received data is its own data by comparing the received address data with its own address. A microprocessor 12 for discriminating and processing and performing a text editing function by a predetermined program, and processing key generation signals such as a selection key 4 and a direction key 6 and outputting them to the microprocessor 12 Key array 14 and a liquid crystal display 16 for displaying a received message or a text editing related message. The number of keys provided in the key array 14 is generally limited to four or less.

A typical pager, on the other hand, is a form of receiving a message from a paging transmitter, i.e. a one-way pager. However, the concept of a two-way pager has been introduced that can not only receive messages from the calling station but also send messages to the calling station, which is expected to be widely used in the future.

On the other hand, communication terminal manufacturers have various functions provided through a single communication terminal, so that users can be provided with more convenient services. For example, a personal communication service (PCS) or a personal digital assistant (PDA) is basically a communication terminal that provides a function of a mobile phone and additionally provides functions such as an electronic notebook, an electronic calculator, a calendar, and the like. Similarly, if the pager provides functions such as an electronic notebook in the future, users may feel more convenient while using the pager.

However, in general pagers, the number of keys is usually limited to 4 or less. Therefore, users may feel inconvenient when using a bidirectional pager to transmit information to a calling station or using an additional function such as an electronic notebook. In order to use the bidirectional communication or the electronic organizer function, character editing functions such as inputting, modifying, and deleting characters, numbers, and special characters are required. In order to use the character editing function with a limited number of keys, Because they will feel a lot of hassle.

Accordingly, an object of the present invention is to provide a text editing method that enables input, modification and deletion of various characters easily even with a limited number of keys in the pager.

The present invention for achieving this object proposes a pager that performs a function of editing characters using a microprocessor, a memory, a liquid crystal display and a key array having a limited key. Character editing operation of the present invention can be described divided into operations of character input, character correction and character deletion.

According to the present invention, a pager includes at least a memory storing predetermined character keyboard information in a partial region, and a liquid crystal display unit for displaying characters, wherein the liquid crystal display unit is divided into two parts when editing a character, and the memory unit has one portion in the memory. Character text information stored in the display is read and displayed, and the other part is processed to display the selected characters for editing in the displayed character keyboard, and then the edited characters are stored in another area of the memory.

According to a first aspect of the present invention, there is provided a memory device comprising: a memory including a first area storing preset character keyboard code screen information, and a second area storing character information to be edited; A text editing method of a pager having at least a liquid crystal display comprising a character keyboard display area and an edit character display area, the character editing method comprising: a first step of displaying the character keyboard code screen information on the character keyboard display area in a character editing input mode; Displaying a character keyboard code selected from the character keyboard code screen information displayed on the character keyboard display area on the edit character display area; And a third process of storing the character keyboard code displayed in the edit character display area as edit character information in the second area of the memory.

According to a second aspect of the present invention, there is provided a memory device comprising: a memory including a first area storing preset character keyboard code screen information and a second area storing edited character information; A character editing method of a pager having at least a liquid crystal display portion comprising a character keyboard display area and an edit character display area includes: displaying the character keyboard code screen information on the character keyboard display area and editing the edited character information in the character edit mode; A first process of displaying on the text display area; A character keyboard code selected from the character keyboard code screen information displayed on the character keyboard display area is modified to be displayed on the edit character display area A second process; And a third process of storing the character keyboard code displayed in the edited character display area in the second area of the memory as edited character information.

The character keyboard display area is positioned above the liquid crystal display, and the editing character display area is positioned below the liquid crystal display.

Hereinafter, operations of text editing according to the present invention will be described in detail with reference to the accompanying drawings.

First, it should be noted that the operation of the text editing according to the present invention is performed in a general pager as shown in FIG. However, in FIG. 1, the memory 10 has a structure as shown in FIG. 4, unlike the memory of a typical pager. The microprocessor 12 then controls the operation of character editing according to the flow as shown in FIG.

Referring to FIG. 4, the memory 10 according to the present invention is structured into L1 to L4 areas. The L1 region stores its own address data for discriminating the pager data. The L2 area stores screen information of the text editing mode of the type as shown in FIG. 2A to be described later. The L3 area stores screen information of a character keyboard code of the type as shown in FIG. 2F to be described later. The L4 area is an area for storing the text editing information configured through the text editing process according to the present invention, and the edited text information may be divided into N areas and stored.

2A to 2F are diagrams showing examples of information displayed on the liquid crystal display 16 of FIG. 1 during the operation of character editing according to the present invention. FIG. 2A is a diagram showing a screen displayed during the initial operation of text editing according to the present invention, in which the displayed information is stored in the L2 area of the memory 10 shown in FIG. 2B is a screen displayed in the input mode of text editing according to the present invention. 2C is a screen displayed in the correction mode of the text editing according to the present invention. 2D is a screen displayed in the deletion mode of the text editing according to the present invention. 2E is a diagram for explaining a screen displayed during each mode operation of text editing according to the present invention. FIG. 2F shows screen information of a character keyboard code displayed during the operation of character editing according to the present invention, which is stored in the L3 area of the memory 10 shown in FIG.

The character editing operation according to the present invention is performed by a program set in the microprocessor 12, and the information according to the operation is displayed on the liquid crystal display 16. As shown in FIG. In the initial operation of character editing, as shown in FIG. 2A, information enabling selection of the character input mode, the correction mode and the deletion mode is displayed. In order to select each mode, the user places the cursor (under bar) on the desired mode by using the arrow keys 6, and the key array 14 detects the mode in which the arrow keys 6 are located and processes the key signals. The key signal is applied to the microprocessor 12. Accordingly, the microprocessor 12 performs the text editing mode selected by the user.

If the user selects the text input mode, information such as 2b is displayed on the liquid crystal display 16 of the pager. If the user selects the correction mode, information such as 2c is displayed on the liquid crystal display 16 of the pager. When the user selects the erase mode, the liquid crystal display 16 of the pager displays information as shown in FIG. 2D.

The screen displayed in each mode is divided into two parts, which will be described below with reference to FIG. 2E. Character code codes such as English letters, numbers, and special characters are displayed on the upper part (character board display area) 20 of the screen of the liquid crystal display unit 16, and direction keys and selections on the lower part (editable character display area) 22 of the screen of the liquid crystal display unit 16 screen. Character information edited using the key is displayed.

Figure 2f shows that the keyboards of English letters, numbers and special characters are displayed on the screen. In the present invention, the character keyboard consists of three, and sets in advance the function of the special characters displayed on the keyboard. In one example, ⊙ among the special characters according to the present invention to indicate the end of work, Displays the display conversion display, Indicates a keyboard change mark and ... indicates a space mark. Display screen conversion display character here Denotes a character that enables conversion from the character keyboard display area 20 of the liquid crystal display unit 16 to the edited character display area 22. And keyboard replacement In order to solve the disadvantage that the number of characters that can be displayed at a time on the character display area 20 is limited, different characters are displayed on the character display area 20 by the selection of the character.

3 is a diagram illustrating a processing flow of text editing in a pager having a text editing function according to the present invention. The program according to this flow is set in the microprocessor 12 as described above, and is also controlled.

Hereinafter, the operation of the character editing according to the present invention will be described with reference to FIGS. 1, 2A to 2F, and FIG.

When the user inputs a key for performing the text editing function in step 30, the key array 14 generates the key input signal to the microprocessor 12. Upon receiving the key input signal, the microprocessor 12 displays the initial screen of the text editing mode on the liquid crystal display 16 as shown in FIG. 2A. Next, the microprocessor 12 checks whether or not there is a request for setting the character editing mode (input, correction, deletion) from the initial screen of the character editing mode. That is, in step 32, the microprocessor 12 checks whether the character edit mode setting request is required in response to the key input signal. At this time, if there is a text editing mode setting request, it is determined whether the input mode setting request is requested in step 34, and if there is no text editing mode setting request, it is determined whether or not to continue the operation of the text editing currently in progress in step 50.

First, the case where the character edit mode setting request is requested in step 32 will be described.

In the case where there is a request for setting a text editing mode, the microprocessor 12 determines in step 34 which mode is a setting request. When the input mode setting request is confirmed in step 34, the microprocessor 12 sets the input mode in step 36, and displays the input mode menu on the liquid crystal display 16 in step 38. On the other hand, if there is no input mode setting request in step 34, the microprocessor 12 determines whether or not the correction mode setting request in step 40. When the correction mode setting request is confirmed in step 40, the microprocessor 12 sets the correction mode in step 42, and displays the correction mode menu on the liquid crystal display 16 in step 44. However, if the correction mode setting request is not confirmed in step 40, the microprocessor 12 sets the delete mode in step 46, and also displays the delete mode menu on the liquid crystal display unit 16 in step 48.

When the user applies a key input signal to set an arbitrary text editing mode as described above, the microprocessor 12 checks which mode the text editing setting request is and sets the corresponding mode. The menu of the set mode is displayed on the liquid crystal display unit 16. The menu of the input mode displayed in step 38 will be as shown in FIG. 2B, and the menu of the correction mode displayed in step 44 will be as shown in FIG. 2C, and in step 46 The menu of the deletion mode displayed will be in the form as shown in FIG. 2D. When the menu is displayed in the input mode, no character keyboard code will be displayed below the liquid crystal display 16. However, the character information previously edited and stored in the L4 area of the memory 10 will be displayed at the bottom of the liquid crystal display 16 when the menus of the correct mode and the delete mode are displayed. In this case, the text editing information displayed on the lower portion of the liquid crystal display unit 16 may be text editing information (character editing information # 1) stored in the initial region of the L4 region of the memory 10, and recently edited text editing information (character editing). Information #N). For example, FIGS. 2C and 2D show a case where the text editing information to be corrected or deleted is CALL ME.

Next, the operation in the case where it is determined in step 32 that there is no request for setting the text editing mode is described. In this case, if it is determined in step 32 that there is no request for setting the text editing mode, it corresponds to the case where the user first requests the setting of the text editing mode and then actually inputs a key to edit the text.

If there is no text editing mode setting request in step 32, the microprocessor 12 determines whether there is a text editing request in step 50. When the character editing request is confirmed in step 50, the microprocessor 12 checks in which mode the character editing is to be performed. The microprocessor 12 checks whether it is an input mode request in step 52, and performs an input mode operation in step 60 if it is a text editing request of the input mode. On the other hand, if it is confirmed in step 52 that the text editing request is not in the input mode, the microprocessor 12 checks in step 54 whether it is a text editing request in the correction mode. When the character editing request of the correction mode is confirmed in step 54, the microprocessor 12 performs the correction mode operation. On the other hand, if the character editing request of the correction mode is not confirmed in step 54, the microprocessor 12 performs the delete mode operation.

When the user applies the key input signal to perform the text editing function as described above, the microprocessor 12 checks which mode the text editing function is to be performed by the applied key input signal and displays the corresponding mode. (16). When the edit request of the input mode is input, the input mode is displayed on the liquid crystal display 16 as shown in FIG. 2B. Accordingly, the user places the text on the character that the user wants to input by using the direction keys. 10) the text editing operation of the input mode is performed. In addition, when the edit request of the correction mode is input, the liquid crystal display 16 displays a correction mode for re-reading the character string stored in the memory 10 in the input mode as shown in FIG. 2C. If the character is placed and the selection key is pressed, the selected character is modified and the edit mode of the edit mode is performed. In addition, when the edit request of the delete mode is input, the liquid crystal display 16 displays a delete mode for re-reading a text string stored in the memory 10 in the input mode or a text string stored in the memory 10 in the modify mode as shown in FIG. Accordingly, when the user locates the character that the user wants to delete with the direction key and presses the selection key, the selected character is deleted and the character editing operation of the delete mode is performed.

Referring to the operation of the above text editing mode in more detail as an example as follows.

First, the operation of the user inputting the text CALL ME will be described.

When the user selects an input using the direction key 6 and the selection key 4 in the initial screen of the text editing, that is, in the text editing input mode, the screen of FIG. 2B is displayed on the liquid crystal display 16 as described above. will be. If no character is input, the cursor will be located at the initial position of the work completion display character ⊙, which is the initial position of the character display area 20, and the edit character display area 22. In this state, the user manipulates the direction key 6 and the selection key 4 to sequentially select C, A, L, L, ..., M, and E among the character code displayed on the upper portion of the liquid crystal display 16. When input, the letter CALL ME will be displayed at the bottom of the liquid crystal display 16. Where ... denotes a space as described above. In this state, if the user selects ⊙ indicating the end of the work among the character code, the characters of the input CALL ME will be stored in the L4 area of the memory 10.

The following describes the operation in which the user modifies the previously edited character CALL ME to TALK ME. Note that the description is limited to the case where there is only one text information previously edited.

When the user selects the correction by using the arrow keys 6 and the selection key 4 in the initial screen of the text editing, that is, the screen as shown in FIG. 2C is displayed on the liquid crystal display 16 in the text editing mode. Will be displayed. In the initial operation of the text editing correction mode, the cursor is positioned at the initial character C of the job completion display character ⊙ which is the initial position of the character keyboard display area 20 and the character CALL ME displayed in the edit character display area 22. will be. Since the initial letter C needs to be corrected, in this state, if the user selects T from the letter code using the direction key 6 and the select key 4, the letter C is modified to T. After the initial letter has been modified, the next letter A needs to be corrected. However, this letter A needs no correction, so the user needs to select the letter L (second L) that needs to be corrected. The operation of selecting the character to be corrected is performed by the user using the arrow keys 6 and the select key 4 to indicate the display screen conversion display among the character code. It is possible by selecting. That is, the character of the display screen conversion display among the characters which appear in the character keyboard display area 20. When is selected, it is possible to convert from the character keyboard display area 20 to the edit character display area 22. In this conversion state, the character that needs to be modified is selected by using the arrow keys 6 and the selection key 4, and then the desired character is selected from among the characters displayed in the character display area 20. . In this case, the operation of selecting a character to be corrected in the edit character display area 22 and then moving back to the character keyboard display area 20 may be processed to be automatically moved after a predetermined time after the user selects a character to be corrected. Can be.

Thus, in the character keyboard display area 20, the character L (second L) that needs to be modified in the state of moving to the edit character display area 22 is selected. Selecting K will modify the letter L to K. That is, the text editing information shown in FIG. 2C is modified as shown in FIG. 2E. When the editing of the editing text is finished, when the character ⊙ of the work end display is selected, the modified editing text is stored in the corresponding area of the memory 10.

Next, the operation of the user deleting the previously edited character CALL ME will be described.

When the user selects deletion using the arrow keys 6 and the selection key 4 in the initial screen of the text editing, that is, in the deletion mode of the text editing, the liquid crystal display 16 displays the screen as shown in FIG. Will be displayed. In the initial operation of the character edit delete mode, the cursor is positioned at the initial character C of the job end display character ⊙ which is the initial position of the character keyboard display area 20 and the character CALL ME displayed in the edit character display area 22. will be. In this state, when the user selects the deletion of the character keyboard display area 20 by using the direction key 6 and the selection key 4, the corresponding letter C is deleted. The deletion of the remaining characters is the same.

If the character edit mode setting request and the character edit request are not confirmed in steps 32 and 50 above, the microprocessor 12 checks whether the character edit mode end request is requested in step 62. When the end request is confirmed in step 62, the microprocessor 12 checks which mode the end request in step 64 indicates. That is, the microprocessor 12 confirms whether or not the input mode ends in step 64, and releases the input mode setting in step 66 when it is confirmed that the input mode ends. If the end request of the input mode is not confirmed in the step 64, the microprocessor 12 confirms whether the end of the correction mode is requested in step 68. If the end of the correction mode is confirmed in step 68, the microprocessor 12 releases the correction mode setting in step 70. If the end of the correction mode is not confirmed in the step 68, the microprocessor 12 Clear the delete mode at 72.

As described above, when the user selects the letter ⊙ indicating the end of the text editing, the microprocessor 12 recognizing the input signal cancels the input mode, the correct mode, or the delete mode, and ends the edit mode.

As described above, by using a microprocessor, a memory, a liquid crystal display, and a key array, a program corresponding to a text input mode, a text modification mode, and a text deletion mode, which are functions of text editing, is created in advance, so that various kinds of keys can be easily created with a limited number of keys. There is an advantage in that a pager having a text editing function capable of inputting, modifying, and deleting text can be implemented.

Claims (4)

A memory including a first area storing preset character keyboard code screen information and a second area for storing character information to be edited; A text editing method of a pager comprising at least a liquid crystal display portion comprising a character keyboard display area and an edit character display area; A first step of displaying the character keyboard code screen information on the character keyboard display area in a character editing input mode; Displaying a character keyboard code selected from the character keyboard code screen information displayed on the character keyboard display area on the edit character display area; And a third process of storing the character keyboard code displayed in the edit character display area in the second area of the memory as edit character information. The method of claim 1, wherein the character keyboard display area is located above the liquid crystal display, and the edited character display area is located below the liquid crystal display. A memory including a first area storing preset character keyboard code screen information and a second area storing edited character information; A text editing method of a pager comprising at least a liquid crystal display portion comprising a character keyboard display area and an edit character display area; A first step of displaying the character keyboard code screen information on the character keyboard display area, displaying the character keyboard code screen information on the character keyboard display area, and displaying the edited character information on the edit character display area in a text editing mode; and; A character keyboard code selected from the character keyboard code screen information displayed on the character keyboard display area is modified to be displayed on the edit character display area A second process; And a third process of storing the character keyboard code displayed in the edited character display area in the second area of the memory as edited character information. 4. The method of claim 3, wherein the character keyboard display area is located above the liquid crystal display, and the edited character display area is located below the liquid crystal display.