CN100394363C - Method and device for executing ideographic character input - Google Patents

Method and device for executing ideographic character input Download PDF

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Publication number
CN100394363C
CN100394363C CNB2004100964126A CN200410096412A CN100394363C CN 100394363 C CN100394363 C CN 100394363C CN B2004100964126 A CNB2004100964126 A CN B2004100964126A CN 200410096412 A CN200410096412 A CN 200410096412A CN 100394363 C CN100394363 C CN 100394363C
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China
Prior art keywords
candidate
ideographic
character
characters
mark
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CNB2004100964126A
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Chinese (zh)
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CN1782958A (en
Inventor
镇立新
葛勇
郭丰俊
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Motorola Mobility LLC
Google Technology Holdings LLC
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Motorola Inc
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Priority to CNB2004100964126A priority Critical patent/CN100394363C/en
Priority to KR1020077012241A priority patent/KR20070074652A/en
Priority to PCT/US2005/042562 priority patent/WO2006060263A2/en
Priority to JP2005342988A priority patent/JP2006155622A/en
Publication of CN1782958A publication Critical patent/CN1782958A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/018—Input/output arrangements for oriental characters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units

Abstract

The present invention relates to a method (300) for executing ideographic character input via a user interface in the mode of a touch screen (105) of an electronic device (100). The method comprises the following procedures: receiving (302) a string of letters (200) in alphabet written in the writing area (201) of the touch screen (105), and the string of letters represent at least one ideographic character; identifying (303) a group of candidate characters from the string of letters, and displaying (304) typical candidate ideographic characters (203) in a first display area (202) of the user interface, wherein each of the typical candidate ideographic characters corresponds to each different candidate character; displaying (305) selectable ideographic characters (205), one of which corresponds to one of the candidate characters (205), in a second display area (204) of the user interface, and receiving (307) a selection request to input one of the candidate characters to the electronic device (100).

Description

The method and apparatus of execution list ideographic characters input
Technical field
Present invention relates in general to the method and apparatus of execution list ideographic characters input.The present invention is particularly useful for the automatic identification that (but being not limited to) carries out a string letter, and this string letter representative writes at least one ideographic character on the electronic device touchscreen.
Background technology
Increasing electronic installation comprises the user interface of touch-screen form, particularly the compact electronic device of mobile phone and PDA(Personal Digital Assistant) for example.Except display message, touch-screen allows the user to come input information by for example virtual push button or character recognition.In the situation of character recognition, at the regional hand-written character of writing of touch-screen, character recognition software is determined one or more candidate characters that should hand-written character.Such technology is particularly useful for the complicated ideographic character of input, and these ideographic characters appear in the language of for example Chinese, Japanese and Korean.
Except their complicacy, the ideographic character enormous amount.For example, a known Chinese standard code 6700 simplified Chinese characters characters that use in the China's Mainland, and another standard code 13000 traditional character using in Taiwan.Therefore, for instructed people, also be difficult to remember all characters or or even these characters than smaller subset.
In addition, because touch-screen is less usually, especially for mobile phone and PDA, it is also littler than the size of touch-screen usually to write the zone, so the user is difficult to write ideographic character writing the zone, particularly comprises the character of the more complicated of many strokes.In addition, when written word mother or ideographic character on touch-screen identification error may take place.
The input method of known use phonetic or phonetic notation is helped inputting ideographic characters.For example in phonetic transcription, a string alphabet letters is represented at least one ideographic character.The user therefore can be when they remember or do not want to write ideographic character in the ideographic character input pattern of device with the spelling mode input character in electronic installation.Yet a string alphabet letters may be represented the ideographic character more than.For example, in phonetic, a string alphabet letters " shuang " may be represented ideographic character " two ", " frost ", " feeling well ", " widow ", " Long ".Therefore, the user runs into further difficulty when finding the ideographic character of expectation from a plurality of candidate ideographic characters.
In this manual, comprise claim, the expectation term " comprises " that " comprising " or the similar terms meaning is that nonexclusion comprises, thereby comprises that the method for a row element or equipment not only comprise these elements, also comprise the element that other are unlisted.
Summary of the invention
Therefore, a kind of form of the present invention is that this method comprises through the method for electronic equipment users interface execution list ideographic characters input:
Write the zone at user interface and receive at least one mark of writing, this mark is represented at least one ideographic character;
Discern one group of candidate from this mark;
First viewing area at user interface shows typical candidate ideographic characters, in the corresponding candidate of each of typical candidate ideographic characters different one;
Second viewing area at user interface shows optional ideographic character, one of corresponding candidate of this optional ideographic character; And
Receive the request of selecting, thereby one of input candidate ideographic characters is to this electronic installation.
Suitable, this mark can be a string alphabet letters of writing.
Yet this mark can be the expression of ideographic character.
Discerning one group of candidate can comprise the mark execution character is discerned.
Optionally ideographic character can show by the predefined procedure that statistical study is determined.
This method further comprises when selecting different typical candidate ideographic characters, shows the optional ideographic character of corresponding different candidate.
In another form, the present invention is the electronic installation that is used for the input of execution list ideographic characters, and described electronic installation comprises:
Processor is used for discerning one group of candidate from least one mark;
User interface is connected to processor, thereby and processor communication, this user interface comprises:
Write the zone, be used to be received in the mark that this writes, at least one ideographic character represented in this string letter;
First viewing area is used to show typical candidate ideographic characters, in all corresponding candidate of each of typical candidate ideographic characters different one;
Second viewing area is used to show the optional ideographic character of one of corresponding candidate; And
The 3rd viewing area is used for answer processor and receives the request of selecting, and shows to be input to one of candidate ideographic characters of this electronic installation.
Suitable, this processor is discerned the mark execution character, thereby discerns this group candidate.
Suitable, this mark can be a string alphabet letters of writing.
Yet this mark can be the expression of ideographic character.
Suitable, the predefined procedure that second viewing area is determined by statistical study shows optional ideographic character.
Suitable, when the different typical candidate ideographic characters having selected to show in first viewing area, second viewing area shows the optional ideographic character of corresponding different candidate.
Description of drawings
In order to be more readily understood the present invention and to put into practice, the example embodiment that the reference appended drawings is illustrated is introduced, and same reference numbers is represented similar elements in the accompanying drawing, wherein:
Fig. 1 is the synoptic diagram that shows according to the electronic installation embodiment of the embodiment of the invention;
Fig. 2 is the synoptic diagram that shows the user interface embodiment when writing a string alphabet letters on the device screen 105 at Fig. 1;
Fig. 3 is the process flow diagram that shows the method for importing through the user interface execution list ideographic characters of Fig. 2; And
Fig. 4 is the synoptic diagram of the user interface of Fig. 2, shows the method when writing a string alphabet letters on the device screen 105 at Fig. 1; And
Fig. 5 is the synoptic diagram of the user interface of Fig. 2, shows the method when writing the mark of expression ideographic character on the device screen 105 at Fig. 1.
Embodiment
With reference to figure 1, it is the synoptic diagram that shows the electronic installation 100 of movement station or mobile phone form, comprises the radio frequency communications unit 102 of connection to communicate by letter with processor 103.Electronic installation 100 also has the user interface of touch-screen 105 forms, connects to communicate by letter with processor 103.Just as is known to the person skilled in the art, the keyboard 106 of connection to communicate by letter with processor 103 also is provided.
Processor 103 comprises the encoder/decoder 111 with correlative code ROM (read-only memory) (ROM) 112, and this ROM is used for the data of other signal of memory encoding and decoded speech or mobile phone 100 emissions or reception.Processor 103 also comprises microprocessor 113, character ROM (read-only memory) (ROM) 114, random access storage device (RAM) 104, static programmable memory 116 and removable user identity (RUIM) interface 118 that is connected to encoder/decoder 111 by common data and address bus 117.The exercisable RUIM of the being connected to interface 118 of static programmable memory 116 and RUIM card 119 (being often referred to subscriber identification module (SIM) card), each can store (except other things) optimum roaming list (RPL), user authentication data, selected input text information and telephone number database (TND phone directory), this telephone number database comprises numeric field that is used for telephone number and the name field that is used for identifier, and this identifier is relevant with one of number in this name field.For example, an input of telephone number database may be 91999111111 (in the numeric field input), name field have associated identifier " Steven C! At work ".RUIM card 119 and static memory 116 can also be stored password, are used to allow the visit to the password-protected function on the mobile phone 100.
Microprocessor 113 has and is connected to touch-screen 105, keyboard 106 and alarms 115 port, and alarm 115 generally includes alarm loudspeaker, Vib. engine and associated drive.Equally, microprocessor 113 has the port that is connected to microphone 135 and communications speaker 140.Character ROM (read-only memory) 114 storage be used to decode or the encode code of the text message that may receive by communication unit 102.In the present embodiment, character ROM (read-only memory) 114, RUIM card 119 and static memory 116 code that can also store the operation code (OC) that is used for microprocessor 113 and be used to carry out the function relevant with mobile phone 100.
Radio frequency communications unit 102 is combination receiver and the transmitters with community antenna 107.Communication unit 102 has transceiver 108, is connected to antenna 107 through wireless frequency amplifier 109.Transceiver 108 is also connected to modulator/demodulator 110, and modulator/demodulator 110 is connected to processor 103 with communication unit 102.
Electronic installation 100 can be any electronic installation, comprises wireless telephone, universal class phone, laptop computer, desktop PC (PC) or PDA.The user can select to use by the icon that navigate through menus or selection are presented on the touch-screen 105.
Touch-screen 105 can be the integral part of electronic installation 100 or its annex.Touch-screen 105 has the one driver that is subjected to microprocessor 113 controls.Touch-screen 105 is two-way user interfaces, allows data input, calling device application and order, menu navigation, videotex, display graphics and display menu usually.Data input and other users to touch-screen 105 import requirement usually by the use stylus, and are included in written character on the touch-screen 105, just as apparent to those skilled in the art.In addition, though the user interface in the present embodiment is the form of touch-screen 105, user interface can be the device of any input writing mark to electronic installation 100, for example tablet or electronics touch sensitive keyboard etc.
With reference to figure 1 and Fig. 2, the electronic installation 100 that is used for execution list ideographic characters input comprises processor 103, be used for from can be a string alphabet letters 200 write one group of candidate of (hand-written) mark identification.Write zone 201 thereby the user interface that connects touch-screen 105 forms of communicating by letter with processor 103 comprises, be used to be received in a string alphabet letters 200 that this writes.These string alphabet letters 200 at least one ideographic characters of expression.Touch-screen 105 also comprises first viewing area 202 that is used to show typical candidate ideographic characters 203.The all corresponding different candidate of each of typical case's candidate ideographic characters 203.Touch-screen 105 comprises second viewing area 204 of the optional ideographic character 205 that is used to show one of corresponding candidate.Touch-screen 105 also comprises the 3rd viewing area 206, is used to show that answer processor 103 receives the selection request and is input to one of candidate ideographic characters of electronic installation 100.Therefore, the 3rd viewing area 206 shows the text that comprises selected candidate characters.It will be understood to those of skill in the art that layout of writing zone 201, first, second and the 3rd viewing area 202,204,206 shown in Figure 2 only is available may arranging in numerous possibilities.
With reference to figure 2 and 3, shown the method for importing according to the user interface execution list ideographic characters through touch-screen 105 forms of the embodiment of the invention 300.This method 300 is mainly carried out by processor 103, comprises when the user selects handwriting input mode, begins to operate 301 by interrupt call usually.Illustrated hand-written (one or more mark) is the form of a string alphabet letters 200, and in an input pattern, handwriting input mode adopts spelling input method.In an alternative input pattern, handwriting input mode adopts the phonetic notation input method, or any other similar approach well known by persons skilled in the art.
Method 300 comprises a string operation of writing alphabet letters 200 of writing zone 201 that is received in touch-screen 105.At least one ideographic character represented in this string letter.This method comprises from 303 1 groups of candidate of this string alphabet letters 200 identifications.Identification 303 these group candidate comprise 103 pairs of these string alphabet letters 200 execution characters identifications of processor.Each alphabetical character recognition to alphabet letters string 200 comprises segmentation, standardization and template matches and pass through to use overtime routine or opposite detection when the user finishes writing of written word matrix alphabetic string 200.Character recognition is known to those skilled in the art, for describing in detail it in this instructions for purpose of brevity.
As shown in Figure 2, the alphabet letters string 200 of phonetic handwriting input mode is " shuang ".Yet because for example careless, in disorder or distinctive handwritten form, alphabet letters string 200 may be identified as other candidate.In this example, the candidate group is identified as " shuang ", " shuan ", " zhuang ", " zhuan " and " huang ".Reference table 1, each candidate of left column have at least one corresponding candidate ideographic characters of right row:
shuang Two, frost, refreshing, the widow, Long ...
shuan Fasten, bolt is rinsed, door bolt ...
zhuang Dress, the village, shape, the building hits, and is strong ...
zhuan Change, specially, brick passes, and writes ...
huang Huang, the emperor, famine, rolling, flurried ...
Table 1
With reference to figure 2 and 3, method 300 is included in the operation of first viewing area, 202 demonstrations, the 304 typical candidate ideographic characters 203 of touch-screen 105.Each of typical case's candidate ideographic characters 203 (two, fasten, dress changes Huang) corresponding different candidate.In the embodiment that Fig. 2 shows, first candidate ideographic characters of each candidate shown in each corresponding tables 1 of the typical candidate ideographic characters 203 that shows in first viewing area 202.
Second viewing area 204 that method 300 is included in touch-screen 105 shows 305 optional ideographic characters 205, one of these optional ideographic character 205 corresponding candidate.In embodiment illustrated in fig. 2, the optional ideographic character 205 corresponding candidate " shuang " in reference table 1, the second viewing area 204.
In one embodiment, optional ideographic character 205 shows in second viewing area 204 according to the definite predefined procedure of statistical study.For example, the statistical study of language database can be created in the word that often uses in the language-specific.Therefore, in one embodiment, the ideographic character that shows the most normal use in first viewing area 202 is as typical candidate ideographic characters 203, and optional ideographic character 205 frequency of utilization according to them in second viewing area 204 shows.In embodiment illustrated in fig. 2, the typical candidate ideographic characters 203 that shows in first viewing area 202 also shows in second viewing area 204 as one of optional ideographic character 205.
In alternate embodiment, the frequency of the ideographic character of recording user input electronic installation 100.The order of the optional ideographic character 205 that second viewing area 204 shows is determined by user's frequency of utilization.
If the optional ideographic character 205 that shows in second viewing area 204 is not the ideographic character of expectation, can selects the scroll arrow 207 of touch-screen, thereby show how optional ideographic character 205 in second viewing area 204.When second viewing area 204 can not show the optional ideographic character 205 of all of corresponding certain candidate (in this example, in Fig. 2, having shown the optional ideographic character 205 that is used for shuang) can select this scroll arrow 207.
The user determines whether shown the expectation candidate ideographic characters on second viewing area 204 at test block 306.If do not show the expectation candidate characters on second viewing area 204, the user can select the candidate characters of another expectation by the suitable candidate characters in touching first viewing area 202 203.Therefore, with reference to figure 4, if beginning shows the expectation candidate ideographic characters on viewing area 204, after selectivity operation scroll arrow, method 300 further comprises the optional ideographic character that shows 309 corresponding different candidate when the different typical candidate ideographic characters 208 of selection.These optional ideographic character 205 corresponding candidate " shuan " that show in second viewing area 204 shown in Figure 4, it is second candidate shown in the table 1.
When having shown the ideographic candidates character of expectation in test block 306, the second viewing areas 204, the user selects the candidate ideographic characters of expectation by the suitable character of touching second viewing area 204.The result, produce the selection request at piece 306, method proceeds to piece 307, receives this selection request at this answer processor 103, selected ideographic character is input to the ideographic character string in touch-screen 105 the 3rd viewing area 206 of electronic installation 100, for example text message.This selection request empties automatically writes zone 201, waits for that writing another string in the above writes alphabet letters 200.The user then can be by simply writing another string and write alphabet letters 200 and select to import another character writing zone 201.Write if detect this at test block 310, then method 300 turns back to and receives 302.As an alternative, the user can select to finish the input option by the button on the startup screen 105 212 at test block 310, thereby finishes the input text of the 3rd viewing area 206 and at piece 311 ending methods 300.
If 204 show the candidate ideographic characters of expecting in the viewing area, even after the selectivity operation of scroll arrow 207, do not have yet, perhaps be because the carelessness of written word matrix alphabetic string 200 is write in writing zone 201, therefore refresh (emptying) and write 201, first viewing area 202, zone and second viewing area 204.Select refresh button 210 on the screen 105 to refresh zone 201,202 and 204 by the user, refresh button 210 actual execution can be called any of method 300 refreshes interruption.This refreshes and interrupts causing method 300 to return to carry out receiving 302 piece, be used to receive 302 new written word matrix alphabetic strings 200, and is ready to viewing area 201,202 and is used for the indicator gauge ideographic characters.
In Fig. 2 and Fig. 4, written indicia is an alphabet letters string 200.Yet mark as shown in Figure 5 is ideographic character 500 rather than alphabet letters string 200.Therefore, discern at piece 303 execution list ideographic characters, majority in the typical candidate ideographic characters 203 in first viewing area 202 shown in Figure 5 will be different from shown in Figure 2, even thereby user of the present invention can write this mark to be input to character " two " in the 3rd viewing area 206.
Therefore the present invention is a kind of electronic installation and method, be used for user interface execution list ideographic characters input through this electronic installation, thereby allow the user the writing in the zone of user interface, from this alphabet letters string, discern candidate and come inputting ideographic characters by writing the alphabet letters string of represent at least one ideographic character.The user need not to remember all ideographic characters, because this method and device show from the typical candidate ideographic characters of the alphabet letters string identification of writing, and in the corresponding candidate of each typical candidate ideographic characters different one.For the ease of the selection of expectation ideographic character, also show the optional ideographic character of one of corresponding candidate.When selecting different typical candidate ideographic characters, the optional ideographic character of corresponding different candidate is shown, thereby provides more more options to the user.Therefore, simplified and imported correct ideographic character in electronic installation, and more effective.
Above-mentioned detailed description only provides example embodiment, does not limit the scope of the invention, uses or dispose.The detailed description of example embodiment provides the open explanation that is used to implement example embodiment of the present invention for those skilled in the art.Should be appreciated that and in the function of step and element, configuration, to make different changes and do not deviate from the subsidiary illustrated the spirit and scope of the present invention of claim.

Claims (12)

1. method through the input of the user interface execution list ideographic characters of electronic installation, this method comprises:
Write the zone at user interface and receive at least one mark of writing, this mark is represented at least one ideographic character;
Discern one group of candidate from this mark;
First viewing area at user interface shows typical candidate ideographic characters, in this typical case's candidate ideographic characters in each all corresponding candidate different one;
Second viewing area at user interface shows optional ideographic character, one of corresponding candidate of this optional ideographic character; And
Receive the request of selecting, thereby one of input candidate ideographic characters is to this electronic installation.
2. one group of candidate of the method for claim 1, wherein described identification comprises this mark execution character identification.
3. the method for claim 1, wherein this mark is a string alphabet letters of writing.
4. the method for claim 1, wherein this mark is the expression of ideographic character.
5. the predefined procedure of the method for claim 1, wherein determining according to statistical study shows optional ideographic character.
6. the method for claim 1 further comprises showing the optional ideographic character of corresponding different candidate when selecting different typical candidate ideographic characters.
7. the electronic installation of execution list ideographic characters input, described electronic installation comprises:
Processor is used for discerning one group of candidate from least one mark;
User interface is connected to processor, thereby and processor communication, this user interface comprises:
Write the zone, be used to be received in the mark that this writes, this mark is represented at least one ideographic character;
First viewing area is used to show typical candidate ideographic characters, in all corresponding candidate of each of this typical case's candidate ideographic characters different one;
Second viewing area is used to show the optional ideographic character of one of corresponding candidate; And
The 3rd viewing area is used for answer processor and receives the request of selecting, and shows to be input to one of candidate ideographic characters of this electronic installation.
8. electronic installation as claimed in claim 7, wherein, this processor is discerned this at least one mark execution character, thereby discerns this group candidate.
9. electronic installation as claimed in claim 7, wherein, this mark is a string alphabet letters of writing.
10. electronic installation as claimed in claim 7, wherein, this mark is the expression of ideographic character.
11. electronic installation as claimed in claim 7, wherein, the predefined procedure that described second viewing area is determined by statistical study shows optional ideographic character.
12. electronic installation as claimed in claim 7, wherein, when the different typical candidate ideographic characters having selected to show in first viewing area, second viewing area shows the optional ideographic character of corresponding different candidate.
CNB2004100964126A 2004-11-30 2004-11-30 Method and device for executing ideographic character input Active CN100394363C (en)

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CNB2004100964126A CN100394363C (en) 2004-11-30 2004-11-30 Method and device for executing ideographic character input
KR1020077012241A KR20070074652A (en) 2004-11-30 2005-11-22 A method and device for performing ideographic character input
PCT/US2005/042562 WO2006060263A2 (en) 2004-11-30 2005-11-22 A method and device for performing ideographic character input
JP2005342988A JP2006155622A (en) 2004-11-30 2005-11-29 Method and device for performing ideographic character input

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CN101833420B (en) * 2010-05-19 2012-08-29 鸿富锦精密工业（深圳）有限公司 Electronic device with touch panel
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KR20070074652A (en) 2007-07-12
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WO2006060263A2 (en) 2006-06-08
WO2006060263A3 (en) 2007-02-22

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