KR100457191B1 - Apparatus for inputting letters in handset and method thereof - Google Patents

Abstract

In the portable terminal of the present invention, the character input device and method may assign one or more single vowels to each numeric key, and input a desired vowel by assigning a vertical stroke addition key and a horizontal stroke addition key to the numeric keys, respectively. The present invention provides a character input device and method in a portable terminal capable of matching all the vowels using a single vowel key and a stroke addition key, while simultaneously matching the order of handwritten strokes when inputting a vowel. There is this.

In order to achieve the above object, the present invention provides a vowel '-' or a horizontal stroke adding key used for horizontal stroke addition, a vowel 'ㅣ' or a vertical stroke adding key and vowel 'ㅏ, A keypad used for inputting ㅓ, TT, ㅗ 'is assigned to a numeric key (including * and #) and transmits a character input signal according to a user's selection; A key input unit for generating a corresponding code vector according to the character input signal inputted from the keypad unit; And storing the code vector inputted from the key input unit in sequence, and generating phoneme information corresponding to the code vector when the same vector is searched by comparing the stored code vector with a plurality of stored standard code vectors. It includes a character generator to generate.

Description

Character input apparatus and method in a portable terminal {APPARATUS FOR INPUTTING LETTERS IN HANDSET AND METHOD THEREOF}

The present invention relates to a character input device and a method for a portable terminal, and more particularly, to a mobile terminal for inputting Korean characters using a consonant input key and a simplified vowel input key in generating a character code using a key. The present invention relates to a character input device and a method.

1 is a block diagram illustrating a general character input apparatus. The conventional character input apparatus includes: a keypad unit 110 for transmitting a character input signal according to a user's selection; A key input unit 120 for generating a corresponding code vector according to the character input signal inputted from the keypad unit 110; A consonant processor 130 for analyzing code vectors input from the key input unit 120 to separate consonants and vowels, and analyzing continuity of the separated consonants to store code vectors of consonants and vowels; A key buffer 140 for shift writing the code vector inputted by a predetermined control; A character search unit 150 that compares the stored consonant code vector with a plurality of stored standard code vectors and generates phoneme information corresponding to the corresponding code vector when searching for the same vector; And a character code generator 160 that accesses and outputs a phoneme code corresponding to each of the standard code vectors in response to the generated phoneme information.

The letter processing unit 130, the character search unit 150, the character code generator 160, and the autometa 170 of FIG. 1 may be collectively referred to as a character generation unit.

Among the above-described character input devices, in particular, the keypad unit 110 has a large disadvantage because it requires a large number of keys in order to input various letters and numbers, and therefore, the keypad for a portable communication device cannot but limit the number of keys. .

Therefore, there is no limit to the character input to some extent, in order to overcome this limitation, various character input devices and methods have been developed.

Character input methods for a portable communication device include a multiple depression method, a single depression method, a shift key method, a code table method, and an adjacent button combination method. In such an input method, reducing the number of key inputs complicates the implementation method, and a simple implementation method causes an increase in the number of key inputs.

According to Korean Patent No. 159191, a method of combining three symbols of 'ㅡ', 'ㅣ' and '·' for vowel input is proposed, and the arrangement of the keypad according to the conventional scheme is disclosed in FIG. 2. It is. Referring to FIG. 2, one or more consonants are assigned to each numeric key, and the remaining three keys are vertical direction keys (ㅣ) for inputting vowels, horizontal direction keys (-) and short / long term determination keys (·), respectively. Is assigned. For example, to enter 'A', the keys 'ㄱ', 'ㅣ' and '·' are selected in sequence. The above-described input method corresponds to the writing stroke order of Hangul, and uses a minimum key for vowel input, so that the use of a keypad is high and the user can easily learn.

However, since the above-described input method inputs one stroke at a time in order to minimize key assignment for vowels, there is a problem in that keys must be input as many strokes as vowels for vowel input. That is, in order to input 'ㅖ', '·', '·', 'ㅣ', and 'ㅣ' must be selected in order, thereby increasing the number of key inputs.

The present invention devised to solve the above problems, one or more short vowels excluding 'ㅡ', 'ㅣ' is assigned to each numeric key, and the vertical stroke addition key and the horizontal stroke addition key to the numeric keys respectively It is an object of the present invention to provide a character input device and method in a portable terminal capable of inputting a vowel.

In addition, the present invention, by assigning one or more short vowels excluding '-', 'ㅣ' to each numeric key, and assigning the vertical stroke addition key and the horizontal stroke addition key to the numeric key, respectively, in the order of writing strokes when vowel input is performed. Another object of the present invention is to provide a character input device and method in a portable terminal which can simultaneously match and reduce the number of key inputs.

On the other hand, in the present invention, it is possible to assign one or more phonemes to each of the numeric keys to input the Hangul consonants, assign one or more single vowels to each numeric key excluding 'ㅡ', 'ㅣ', and add vertical stroke Another object of the present invention is to provide a character input device and method in a portable terminal capable of inputting all vowels using a short vowel key and a stroke added key by assigning a key and a horizontal stroke addition key to numeric keys, respectively.

1 is a block diagram showing a general character input device;

2 is a layout view showing a keypad in a conventional manner;

3 is a block diagram showing a character input device in a portable terminal according to an embodiment of the present invention;

4 is an exemplary view showing a keypad unit mounted in a character input device in a portable terminal according to an embodiment of the present invention;

5 and 6 are exemplary views showing a keypad unit mounted in a character input device in a portable terminal according to another embodiment of the present invention;

7 is a flowchart illustrating a character input method in the portable terminal according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

110: keypad portion 120: key input portion

130: letter processing unit 140: storage unit

170: autometa

In order to achieve the above object, in the portable terminal of the present invention, the character input device may include a horizontal stroke addition key used for inputting a vowel '-' or a horizontal stroke addition, a vertical input used for inputting a vowel 'ㅣ' or a vertical stroke addition. A keypad portion for assigning a stroke addition key and a vowel ',', ',', ', to which a numeric key (including * and #) is assigned, and which transmits a character input signal according to a user's selection; A key input unit for generating a corresponding code vector according to the character input signal inputted from the keypad unit; And storing the code vector inputted from the key input unit in sequence, and generating phoneme information corresponding to the code vector when the same vector is searched by comparing the stored code vector with a plurality of stored standard code vectors. It includes a character generator to generate.

Further, in order to achieve the above object, the character input method in the portable terminal of the present invention includes a plurality of Hangul Jamo keys, horizontal stroke addition keys, and vertical stroke addition key input signals assigned to numeric keys (including * and #). Generating a key input signal; A consonant code vector and a vowel code vector according to the plurality of Hangul alphabet key input signals, a horizontal stroke addition code vector according to the horizontal stroke addition key input signal, and a vertical line according to the vertical stroke addition key input signal Generating / storing a corresponding code vector comprising a stroke addition code vector; Comparing the stored code vector with the standard code vector; As a result of comparing the code vector with the standard code vector, a consonant phoneme is generated when the code vector is included in the first code vector format, and 'ㅡ' when the code vector is included in the second code vector format. And generating short vowel phonemes excluding 'ㅣ', and generating '−', 'ㅣ' and complex vowel phonemes when the code vector is included in a third code vector format. And combining the Hangul codes through the generated phonemes, wherein the first code vector format is a code vector format composed of the consonant code vectors, and the second code vector format is a code composed of the vowel code vectors. The third code vector format is a code vector format including the horizontal stroke addition code vector or the vertical stroke addition code vector.

Hereinafter, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily implement the technical idea of the present invention. .

First, Figure 3 is a block diagram showing a character input device in a portable terminal according to an embodiment of the present invention, the character input device in the portable terminal of the present invention, the keypad unit 310, the key input unit 320 , A character generator 330, a storage 340, and a display 350.

The keypad 310 includes a horizontal stroke adding key and a vertical stroke adding key, and serves to transmit a character input signal according to a user's selection to a key input unit 320 to be described later.

In addition, the key input unit 320 generates a corresponding code vector according to the character input signal input from the keypad 310, and outputs the code vector to the character generator 330 which will be described later.

Meanwhile, the character generator 330 stores the code vector input from the key input unit 320 in order in a storage unit 340 which will be described later, and compares the stored code vector with a plurality of stored standard code vectors. When the vector is searched, phoneme information corresponding to the code vector is generated, syllable information is generated by combining the phoneme information, and the syllable information is converted into an image signal and output to the display unit 350 to be described later. do.

In addition, the storage unit 340 sequentially stores a plurality of code vectors received from the character generator 330, stores the plurality of standard code vectors, and under the control of the character generator 330. It serves to provide the plurality of code vectors and the plurality of standard code vectors to the character generator 330.

Meanwhile, the display unit 350 receives the image signal from the character generator 330 and displays the image signal as a user can recognize.

4 is an exemplary view showing a keypad 310 mounted in a character input device in a portable terminal according to an embodiment of the present invention.

The first key input button 401 is assigned a 'b' of the research sound and a 'c' of the research sound, and when the user presses the key once, the first key input button 401 receives a key input signal corresponding to 'a'. And outputs a key input signal corresponding to 'ㅋ' to the key input unit 320 when pressed twice, and outputs a key input signal corresponding to '3' when pressed twice. It outputs to 320).

On the other hand, the second key input button 402 is assigned a voiced sound 'b' and the voiced sound 'd' among the tip sounds, and when the user presses once, the second key input button 402 receives a key input signal corresponding to 'b'. The key input unit 320 outputs the key input signal to the key input unit 320 when the user presses twice.

In addition, the third key input button 403 is assigned a 'c' which is a rupture sound among the tip sounds and a 'ㅌ' which is a rupture sound among the tip sounds, and when the user presses once, a key input signal corresponding to 'c' is input. Outputs to the key input unit 320, when pressed twice serves to output a key input signal corresponding to 'ㅌ' to the key input unit 320.

On the other hand, the fourth key input button 404, a non-voice 'ㅁ' of voiced sound is assigned, and when the user presses once, serves to output a key input signal corresponding to 'ㅁ' to the key input unit 320. Do it.

In addition, the fifth key input button 405 is assigned a 'ㅂ' which is a rupture sound among the lip sounds and a 'T' which is a rupture sound among the lip sounds, and when the user presses once, the fifth key input button 405 receives a key input signal corresponding to 'ㅂ'. The key input unit 320 outputs the key input signal to the key input unit 320 when the user presses twice.

On the other hand, the sixth key input button 406 is assigned a friction sound 's', and when the user presses once, outputs a key input signal corresponding to 's' to the key input unit 320, and the user When pressed twice, the key input signal corresponding to '에' is outputted to the key input unit 320.

In addition, the seventh key input button 407 is assigned to the voice input sound 'o' and the friction sound 'ㅎ', and when the user presses once, the key input signal corresponding to 'o' is inputted to the key input unit ( And outputs the key input signal corresponding to 'ㅎ' to the key input unit 320 when the user presses twice.

On the other hand, the eighth key input button 408 is assigned 'ㅏ' as a <ㅣ> type positive vowel and 'ㅓ' as a <ㅣ> type negative vowel, and when the user presses it once, it corresponds to 'ㅏ'. Outputs a key input signal to the key input unit 320, and when the user presses twice, it outputs a key input signal corresponding to 'ㅏ' to the key input unit 320.

In addition, the ninth key input button 409 is a key for adding a horizontal stroke, and when the user presses the key corresponding to the consonant immediately immediately afterwards, the user inputs a key input signal corresponding to a short vowel '-'. When pressing immediately after the key corresponding to the vowel once, it serves to output the key input signal to add the singular stroke to the key input unit 320.

On the other hand, the tenth key input button 410 is assigned to the `` '' of the palate sound and the `` '' of the palate sound, and when the user presses once, the key input signal corresponding to `` '' Outputs to the input unit 320, if the user presses twice, the key input signal corresponding to "vo" is output to the key input unit 320, if the user presses three times, the key input corresponding to 'ㅉ' It serves to output a signal to the key input unit (320).

In addition, the eleventh key input button 411 is assigned a 'ㅗ' as a <-> type vowel and a 'TT' as a <-> type vowel, and when the user presses it once, a key input corresponding to 'ㅗ' is input. Outputs a signal to the key input unit 320, and when the user presses twice, it serves to output a key input signal corresponding to 'TT' to the key input unit (320).

On the other hand, the 12th key input button 412 is the vertical stroke addition key, when the user presses a key immediately after the key corresponding to a consonant, the key input unit corresponding to the short vowel 'ㅣ' is input to the key input unit. Output to 320, the user presses the key corresponding to the consonant, and then presses the horizontal stroke-adding key once, or immediately after the user presses the key corresponding to the short vowel 'ㅏ' and 'ㅓ' In the case of pressing once or pressing the horizontal stroke addition key between the short vowels and pressing the key once, a key input signal corresponding to a vowel having a longevity stroke added to the vowel completed through key input is sent to the key input unit 320. If the user presses the key corresponding to the short vowel 'ㅗ' and 'TT' and then presses it once, the key input signal corresponding to the vowel with the singular stroke is added to the completed vowel through the key input. , Followed by two consecutive presses Yiwu serves to output a key input signal corresponding to the bar by the addition of a vertical stroke section in the vowel "ㅗ", "TT" in the key input unit 320.

Referring to the operation of the character input device in the portable terminal of the present invention described above is as follows.

In the above-described configuration of the present invention, the remaining configuration except for the keypad unit 310 may be configured in a hardware or software form.

The first to twelfth key input buttons 411 to 412 of the present invention are numeric keys, and 1 to 9, *, 0, and # are assigned, respectively. The plurality of key input buttons 411 to 412 have a code vector value. Here, the code vector is information of a form recognized by the character generator 330 when a plurality of key input buttons corresponding to a plurality of consonants, vowels, and stroke addition keys are selected.

Short vowels are vowels 'ㅏ', 'ㅓ', 'ㅗ', 'TT', 'ㅡ' and 'ㅣ'. A compound vowel is composed of eleven vowels of 'ㅐ', 'ㅒ', 'ㅔ', 'ㅖ', 'ㅘ', ',', 'ㅚ', 'ㅝ', 'ㅞ' 'ㅟ' and 'ㅢ' and 'ㅑ' Four simple vowels: ',' ㅕ ',' ㅛ 'and' ㅠ '. A consonant key refers to a key input button to which one or more consonants are assigned, and a vowel key refers to a plurality of key input buttons to which one or more short vowels other than 'ㅡ' and 'ㅣ' are assigned. In addition, a phoneme means the highest unit of the characters which comprise the initial, neutral, and finality of Hangul.

When the consonant key is selected by the user, the consonant key outputs a key input signal corresponding to the assigned consonant. If a plurality of consonants are assigned to the consonant key, the key input signal corresponding to each consonant Is generated.

In addition, when a vowel key is selected by the user, the vowel key outputs a key input signal corresponding to each assigned vowel.

On the other hand, when the stroke addition key is selected by the user, the vertical stroke addition key and the horizontal stroke addition key may provide a key input signal for finally indicating a composite vowel according to the consonant key, the vowel key, and the stroke addition key selected immediately before. Will print. That is, when the vertical stroke addition key 412 is selected, the immediately selected key input is the horizontal stroke addition key 409 or the consonant key, or the eighth key input button to which 'ㅏ' and 'ㅓ' are assigned ( In the case of 408, finally, a key input signal of a phoneme which adds a vertical stroke to the phoneme completed by the immediately input key is outputted, and when the horizontal stroke addition key 409 is selected, it is immediately selected and inputted. If the key is a consonant key, a key input signal for 'ㅡ' phoneme is output, and in the case of the eighth key input button 408 to which 'ㅏ' and 'ㅓ' are assigned, A key input signal of a phoneme ('ㅑ' and 'ㅕ'), which is obtained by adding a horizontal stroke to the phoneme completed by the key, is output.

For example, the user uses the first key input button 401 and the eighth key input button 408 of the keypad 310 to input Hangul 'Geo'. The first key input button 401 → The eighth key input button 408 is input in the order of the eighth key input button 408. Subsequently, the key input unit 420 receives a key input signal from the keypad 310, and when the same key is selected twice as described above, generates a second code vector of the corresponding key, or the corresponding key. Generates a code vector of twice and outputs it to the character generator 330.

For example, a compound vowel includes a first key input button 401, an eighth key input button 408, a ninth input button 409 which is a horizontal stroke addition key, and a vertical stroke addition key to input a Hangul 'system'. 12 using the input button 412, the first key input button 401 → the eighth key input button 408 → the eighth key input button 408 → the ninth input button 409 → the twelfth input button ( 412). Subsequently, the key input unit 420 receives a key input signal from the keypad 310, and when the same key is selected twice as described above, generates a second code vector of the corresponding key, or the corresponding key. Generates a code vector of twice and outputs it to the character generator 330. In addition, in order to input the Hangul 'tu', a first key input button 401, an eighth key input button 408, and a ninth input button 409, which is a horizontal stroke addition key, are used. 401 → first key input button 401 → first key input button 401 → eighth key input button 408 → eighth key input button 408 → input in order of ninth input button 409 Done. Subsequently, the key input unit 420 receives a key input signal from the keypad 310, and when the same key is selected twice as described above, generates a second code vector of the corresponding key, or the corresponding key. Generates a code vector of twice and outputs it to the character generator 330.

In the character input apparatus of the portable terminal of the present invention described above, when a single code vector is assigned to each key input button, the code vector generated when the vowel is input and stored in the storage unit 340 is shown in Table 1 below. As shown in

Here, '∥' indicates a vertical stroke addition key, and '〓' indicates a horizontal stroke addition key.

5 and 6 are exemplary views showing the keypad 310 mounted in the character input device in the portable terminal according to another embodiment of the present invention, so that the user can easily recognize the horizontal stroke addition key and the vertical stroke. The example which changed the position of an addition key is shown.

7 is a flowchart illustrating a character input method in the portable terminal according to an embodiment of the present invention.

First, the keypad 310 generates a key input signal by a user's key input (S701). The key input signal may include a plurality of Hangul Jamo key input signals, a horizontal stroke addition key input signal, and a vertical stroke addition key input signal.

Next, the key input unit 320 receives a key input signal from the keypad 310 to generate a corresponding code vector, and the code vector is input to the character generator 330 and stored in the storage unit 340. (S702). The code vector may include a consonant code vector and a vowel code vector according to the plurality of Hangul alphabet key input signals, a horizontal stroke addition code vector according to the horizontal stroke addition key input signal, and a vertical line according to the vertical stroke addition key input signal. Contains stroke addition code vectors.

Thereafter, the character generator 330 compares the code vector stored in the storage unit 340 with the standard code vector (S703). Here, the standard code vector is stored in advance in the storage unit 340 in the form of a table.

Next, as a result of comparing the code vector with the standard code vector, the character generator 330 generates a consonant phoneme when the code vector is included in the first code vector format, and the code vector is the second. When included in the code vector format, short vowels excluding 'ㅡ' and 'ㅣ' are generated. When the code vector is included in the third code vector format, 'ㅡ', 'ㅣ' and complex vowel phonemes are generated. (S704). Here, the first code vector format is a code vector format composed of the consonant code vectors, the second code vector format is a code vector format composed of the vowel code vectors, and the third code vector format is the horizontal A stroke vector code vector or a code vector format including the vertical stroke code vector.

Finally, the Hangul code is combined through the generated phonemes (S705).

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawings shown.

According to the present invention, one or more short vowels excluding 'ㅡ' and 'ㅣ' can be assigned to each numeric key, and a vertical stroke addition key and a horizontal stroke addition key can be respectively assigned to the numeric keys to input a desired vowel. While inputting, it is possible to reduce the number of key inputs while matching the writing stroke order, and there is an advantage in that all vowels can be input by using the short vowel key and the stroke addition key.

Claims (7)

Used to enter the vowel 'ㅡ' or the horizontal stroke addition key used to add horizontal strokes, the vowel 'ㅣ' or to enter the vertical stroke added key used to add vertical strokes and the vowel 'ㅏ, ㅓ, TT, ㅗ' A keypad that is assigned to a numeric key (including * and #) and transmits a character input signal according to a user's selection; A key input unit for generating a corresponding code vector according to the character input signal inputted from the keypad unit; And Characters are generated by storing the code vectors inputted from the key input unit in order, and generating phoneme information corresponding to the code vectors when comparing the stored code vectors with the stored plurality of standard code vectors to search for the same vector. Character generator to say Character input device in a portable terminal comprising a. The method of claim 1, wherein the keypad unit, Including a plurality of key input buttons, The plurality of key input buttons, The horizontal stroke adding key for outputting a key input signal for adding a horizontal stroke to the key input unit when pressed once; And In the case of pressing once, the keystroke signal for adding vertical stroke is output to the key input unit, and in case of pressing twice, the vertical stroke addition key for outputting the key input signal corresponding to 'ㅣ' of the composite vowel to the key input unit. Character input device in a portable terminal comprising a. The method of claim 2, wherein the plurality of key input buttons, If it is pressed once, the key input signal corresponding to 'ㄱ' is outputted to the key input unit. If it is pressed twice, the key input signal corresponding to 'ㅋ' is outputted to the key input unit. A first key input button for outputting a key input signal corresponding to 'k' to the key input unit; A second key input button outputting a key input signal corresponding to 'b' to the key input unit when pressed once, and outputting a key input signal corresponding to 'd' to the key input unit when pressed twice; A third key input button outputting a key input signal corresponding to 'c' to the key input unit when pressed once, and outputting a key input signal corresponding to 'ㅌ' to the key input unit when pressed twice; A fourth key input button for outputting a key input signal corresponding to 'ㅁ' to the key input unit when pressed once; A fifth key input button for outputting a key input signal corresponding to 'k' to the key input unit when pressed once, and outputting a key input signal corresponding to 'p' to the key input unit when pressed twice; A sixth key input button for outputting a key input signal corresponding to 's' to the key input unit when pressed once, and outputting a key input signal corresponding to 'ㅆ' to the key input unit when pressed twice; A seventh key input button outputting a key input signal corresponding to 'O' to the key input unit when pressed once, and outputting a key input signal corresponding to 'ㅎ' to the key input unit when pressed twice; An eighth key input button outputting a key input signal corresponding to 'ㅏ' to the key input unit when pressed once, and outputting a key input signal corresponding to 'ㅏ' to the key input unit when pressed twice; A ninth key input button which is the horizontal stroke addition key; In the case of pressing once, the key input signal corresponding to 'ㅈ' is output to the key input unit. In the case of pressing twice, the key input signal corresponding to 'ㅊ' is outputted to the key input unit. A tenth key input button for outputting a key input signal corresponding to 'k' to the key input unit; An eleventh key input button for outputting a key input signal corresponding to 'ㅗ' to the key input unit when pressed once, and outputting a key input signal corresponding to 'TT' to the key input unit when pressed twice; And A twelfth key input button which is the vertical stroke addition key Character input device in a portable terminal comprising a. The method according to any one of claims 1 to 3, Phoneme information of a vowel and its code vector among the phoneme information are determined by the following table. TABLE 1 Where '∥' indicates a vertical stroke addition key and '〓' indicates a horizontal stroke addition key- Character input device in a portable terminal, characterized in that. Generating a key input signal including a plurality of Hangul Jamo keys, a horizontal stroke addition key, and a vertical stroke addition key input signal assigned to a numeric key (including * and #); A consonant code vector and a vowel code vector according to the plurality of Hangul alphabet key input signals, a horizontal stroke addition code vector according to the horizontal stroke addition key input signal, and a vertical line according to the vertical stroke addition key input signal Generating / storing a corresponding code vector comprising a stroke addition code vector; Comparing the stored code vector with the standard code vector; As a result of comparing the code vector with the standard code vector, a consonant phoneme is generated when the code vector is included in the first code vector format, and 'ㅡ' when the code vector is included in the second code vector format. And generating short vowel phonemes excluding 'ㅣ', and generating '−', 'ㅣ' and complex vowel phonemes when the code vector is included in a third code vector format. And Combining the Hangul code through the generated phonemes Including, The first code vector format is a code vector format composed of the consonant code vectors, the second code vector format is a code vector format composed of the vowel code vectors, and the third code vector format adds the horizontal stroke. Code vector or code vector format including the vertical stroke addition code vector. Character input method in a portable terminal, characterized in that. The method of claim 5, Some of the vowel phonemes generated by the third code vector format may be set according to Table 2 below. Where '∥' indicates a vertical stroke addition key and '〓' indicates a horizontal stroke addition key- Character input method in a portable terminal, characterized in that. The method of claim 5, Another part of the vowel phonemes generated by the third code vector format is determined according to Table 3 below. Where '∥' indicates a vertical stroke addition key and '〓' indicates a horizontal stroke addition key- Character input method in a portable terminal, characterized in that.