CN102591476B - Support the data inputting method of the mobile phone of braille and support the mobile phone of braille input - Google Patents
Support the data inputting method of the mobile phone of braille and support the mobile phone of braille input Download PDFInfo
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Abstract
The data inputting method of the mobile phone of support braille provided by the invention, when triggering that mobile phone is perpendicular holds operator scheme, being switched to mobile phone and perpendicularly holding operator scheme, receiving the key command of user, hold according to perpendicular the input and output that operator scheme carries out information; When triggering mobile phone lateral operation pattern, mobile phone being switched to braille operator scheme, receiving the key command of user, carrying out the input and output of information according to braille operator scheme.Mobile phone of the present invention comprises input keyboard, and the input information of user is converted to corresponding key command; Erect and hold operator scheme system, receive the key command of user, provide perpendicular and hold operator scheme input function; Braille operator scheme system, for receiving the key command of user, provides braille operator scheme input function; Handover module, for switching mobile phone perpendicular holding between operator scheme system and braille operator scheme system.Mobile phone of the present invention both can be used for normal person to use, and can be used for again blind person to use, and added the compatibility of mobile phone.
Description
Technical field
The present invention relates to the information input technology of mobile phone, particularly relate to the data inputting method of the mobile phone supporting braille and support the mobile phone of braille input.
Background technology
Along with the development of technology, current blind mobile phone ubiquity, for the ease of inputting Braille, adopts in two ways usually, and one arranges braille keys on mobile phone.Braille keys feature is that different buttons arranges and represents different braille lattice blocks.Blind person can combine corresponding braille lattice information by single or braille keys and be converted to associative operation instruction again.Another kind just increases voice feedback in regular handset keyboard layout, or on common keyboard layout basis, add 6 Braille codings that keyboard is corresponding, but aforesaid way can not realize accurately locating unique Chinese character, cannot fast, accurate input editing word; Or coded system is special, does not meet braille GB, new coding study threshold is higher, and being therefore difficult to popularization becomes standard.Meanwhile, if the blind mobile phone of special keyboard layout only adapts to operation by blind, good compatible general population's use habit.
Summary of the invention
The invention provides a kind of data inputting method supporting the mobile phone of braille and the mobile phone supporting braille input, can the mobile phone that uses of compatible general population.
The data inputting method of the mobile phone of support braille provided by the invention, comprises step:
When triggering that mobile phone is perpendicular holds operator scheme, mobile phone being switched to and perpendicularly holding operator scheme, receiving the key command of user, hold according to perpendicular the input and output that operator scheme carries out information;
When triggering mobile phone lateral operation pattern, mobile phone is switched to braille operator scheme, receive the key command of user, the input and output of information are carried out according to braille operator scheme, particularly, receive consonant information instruction and the simple or compound vowel of a Chinese syllable information command of user's input, generate corresponding candidate's unisonance Chinese character; The phonetic of this candidate's unisonance Chinese character of voice broadcast, and prompting input tone; The tone instruction receiving user's input is screened described candidate's unisonance Chinese character; Described candidate's unisonance Chinese character quantity after screening is carried out voice broadcast.
The mobile phone of support braille provided by the invention, mobile phone comprises:
Input keyboard, for being converted to corresponding key command by the input information of user;
Erect and hold operator scheme system, for receiving the key command of user, providing perpendicular and holding operator scheme input function;
Braille operator scheme system, for receiving the key command of user, provides braille operator scheme input function;
Handover module, for mobile phone is switched described perpendicular holding between operator scheme system and described braille operator scheme system, when triggering that mobile phone is perpendicular holds operator scheme, mobile phone being switched to and perpendicularly holding operator scheme, when triggering mobile phone lateral operation pattern, mobile phone is switched to braille operator scheme.
The present invention is directed to the input feature of braille, mobile phone has been set up handover module, when transverse direction, mobile phone is set to be convenient to the horizontal braille operator scheme of holding input fast of both hands, the perpendicular operator scheme of holding that normal person gets used to is set to when vertical, thus make mobile phone both can be used for normal person to use, can be used for again blind person to use, add the compatibility of mobile phone.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the data inputting method of mobile phone in embodiment 1;
Fig. 2 is the theory diagram of the mobile phone supporting braille in embodiment 1;
Fig. 3 is the position arrangement schematic diagram of each function key on phone housing in application example.
Embodiment
Embodiment 1: provide the perpendicular mobile phone holding operator scheme input simultaneously supporting braille and normal person to use in the present embodiment, the data inputting method of this mobile phone, as shown in Figure 1:
When mobile phone be in perpendicular hold operator scheme time, be applicable to singlehanded erecting and hold operation, mobile phone being switched to erect and holding operator scheme (step 1), by receiving the key command of user, holding according to perpendicular the input and output (step 2) that operator scheme carries out information;
When mobile phone is in lateral operation pattern, be applicable to that both hands are horizontal holds mobile phone operation, mobile phone is switched to braille operator scheme (step 3), receives the key command of user, carry out the input and output (step 4) of information according to the correlative coding rule of braille operator scheme.
User switches above-mentioned two kinds of operator schemes by handover module.
As an embodiment, in order to realize each step of above-mentioned data inputting method, the following provide a kind of realization means supporting the mobile phone of braille.As shown in Figure 2, the mobile phone of this support braille comprises input keyboard, erects and hold operator scheme system, braille operator scheme system and handover module.
Input keyboard is used for the input information of user to be converted to corresponding key command, and keyboard can define according to different functions and application scenarios and switch, and is applicable to expansion; When user inputs information on input keyboard, if mobile phone is in erect hold operator scheme, then the perpendicular key command holding operator scheme system receives user, provides perpendicular and holds operator scheme input function; If mobile phone is in braille operator scheme, then the key command of braille operator scheme system receives user, provides braille operator scheme input function; Handover module sends switching command and is switched described perpendicular holding between operator scheme system and described braille operator scheme system by mobile phone, when mobile phone receives horizontal switching command, be switched to braille operator scheme, when mobile phone receives vertical switching command, be switched to vertical erecting and hold operator scheme.
Embodiment 2: as a preferred embodiment, in order to convenient inputting Braille, carry out arranging targetedly to the button arrangement of cell phone keyboard in the present embodiment, when lateral operation input keyboard, the braille square formation input area that input keyboard is formed presses Chinese braille GB/T15720-2008 can input alphabet, numeral and Chinese character, input keyboard comprises the one or six square formation and the two or six square formation, and the first and second six square formations distribute according to international braille standard point position method.One or six square formation is positioned at the left side of the two or six square formation, and when inputting English letter, 6 square formations on the left side can input the letter of corresponding Braille coding; Two or six square formation also can input alphabet, and when inputting Chinese character, adopt Chinese double-spelling braille scheme, the one or six square formation is for inputting initial consonant, and the two or six square formation is for inputting simple or compound vowel of a Chinese syllable.
Embodiment 3: the present embodiment improves embodiment 2, input keyboard also comprises the three or six square formation, and when described input keyboard is laterally arranged, the three or six square formation is positioned at the right side of the two or six square formation, for inputting tone, tone Braille coding presses Chinese braille GB/T15720-2008 standard.When described input keyboard is vertically arranged, the three or six square formation, then for providing default shortcut function, realizing Chinese character by multiple square formation and inputting fast.
When mobile phone is in braille operator scheme, first user presses consonant information instruction and the simple or compound vowel of a Chinese syllable information command of the input of international Braille coding by braille operator scheme system receives user, generate corresponding candidate's unisonance Chinese character; Conveniently blind person selects correct candidate word, the phonetic of candidate Chinese character can be carried out voice broadcast, therefore, mobile phone of the present invention also comprises voice feedback module, when the unisonance phonetic transcriptions of Chinese characters by reporting current input after first and second 6 square formation input Pinyins fast, and prompting input tone, such as " sheng please input tone "; User can select by the three or six square formation input tone, and the tone instruction that mobile phone receives user's input is screened candidate Chinese character; Candidate's unisonance Chinese character quantity after screening can be carried out voice broadcast, such as " candidate word 6 ", selects to facilitate blind person user simultaneously.
Embodiment 4: as the further improvement to embodiment 3, the part button of the one or six square formation and the two or six square formation respectively comprises corresponding stroke, described braille operator scheme system comprises stroke load module, for screening candidate Chinese character according to stroke input instruction.
After user inputs the tone of candidate word by tone, user can continue through the stroke of the stroke input candidate word on button, the stroke information instruction of pressing stroke order successively fractionation for input Chinese character of mobile phone reception user input, often receive a stroke information instruction, just current described candidate Chinese character is screened, and by this screening residue candidate word quantity result of voice broadcast, until only surplus next in conjunction with the candidate Chinese character of stroke under current tone, and report relevant operation, phonetic+stroke realizes unique Chinese charater input.
Embodiment 5: a kind of optimal way providing embodiment 4 in the present embodiment.On input keyboard, the arrangement of each stroke button is as follows: numerical key be 1 button on stroke be " one ", numerical key be 2 button on stroke be " Shu ", numerical key be 3 button on stroke be " Pie ", numerical key be 4 button on stroke be " Dian ", numerical key be 5 button on stroke Wei “ Ya "; For the button of " * " is for providing the function of asterisk wildcard on input keyboard.When user's entering stroke, if input is asterisk wildcard, then mobile phone screens candidate Chinese character in conjunction with other stroke information instructions before and after asterisk wildcard and received asterisk wildcard.Improve compatibility, reduce the learning difficulty of blind person to stroke.
In addition, as a kind of optimal way, above in each embodiment between the one or six square formation and the two or six square formation and the two or six shielding wire respectively comprising one article of slight projection between square formation and the three or six square formation, to allow the position of telling three square formations that blind users is convenient, prevent maloperation.
In addition, as a preferred embodiment, mobile phone also comprises function of tonic chord rotating disk and secondary function rotating disk, and function of tonic chord rotating disk is for selecting master menu and circulation polling menu option; Described secondary function rotating disk is for selecting secondary function submenu corresponding under described current the main menu item.The application example that specific descriptions can vide infra.
In order to understand the present invention more clearly, below set forth the position arrangement schematic diagram that application example of the present invention a: Fig. 3 is each function key on phone housing in this application example:
Function that is horizontal to mobile phone and vertical state lower keyboard is described in detail respectively below:
Both hands are horizontal holds mode of operation, and now blind person operates by laterally gripping mobile phone.Below the function declaration of each function key in figure:
A is function of tonic chord wheel disc, master menu can be selected by left and right switch wheel disc, and polling menu function of tonic chord menu item capable of circulation, such as note, address list, message registration, contextual model, time signal electricity, tool box, voice are read to shield, record, the function of tonic chord such as to arrange, toggle it to next function, this function title of voice broadcast at every turn.
B is secondary function wheel disc, can left and right switch wheel disc, and polling menu option capable of circulation, when function of tonic chord wheel disc A have selected master menu option, if when correspondence comprises secondary function submenu, secondary function submenu corresponding under current the main menu item can be selected by this wheel disc of switch.Such as when function of tonic chord wheel disc the current set of menu item is tool box, secondary function wheel disc can select the tool box menu subfunction such as music, voice number query on local, 114 consultings, internet, radio, notepad, and easily extensible greater functionality.
The principle of work of A and B two wheel discs is as follows: in general, it is equivalent to input equipment, can left-right rotation, is used for input numeral (numeral can represent for information state, and such as 1 represents note), each driver chuck has 0 to 9 totally ten positions.The representative of each position, for numeral (i.e. information state), therefore rotates to correspondence position and just can indicate corresponding function state.If stepless driver plate, (or right) stirs a position often left, and index (i.e. menu item) just points to a upper (lower) position, stirs continuously and can push required menu item.Then point to menu item push up (end) one most when the arrival menu item most end (or top) one continues switch, stepless polling menu item can be realized.This application example adopts wheel disc operation, can fast and easy, accurately handoff functionality, and facilitates menu selection action by two wheel discs associations, and circulation wheel turns, and breaks through fixed grating submenu restricted number, adapts to more menu options and selects to operate.
C1 and C2 is receiving/hang-up phone shortcut, is arranged on horizontal top of holding state, facilitates right-hand man's forefinger button operation.C1 is used for incoming call answering, and C2 is used for hanging up calling.And by " setting-button " definition, can customize function shortcut, such as length recalls difference in functionality respectively by C1, C2.
D is braille square formation input area, can input alphabet, numeral and Chinese character by Chinese braille GB/T15720-2008, and when inputting English letter, 6 square formations on the left side can input the letter of corresponding Braille coding, confirms input by E1; Voice feedback input content; As input error, can double-click E1 and delete the word inputted, can grow by E1 as deleted the content all inputted, voice message confirms, square formation resets empty; Second (centre) square formation also can input alphabet, press E1 equally and confirms to input; When inputting Chinese character, adopt GB braille phonetic plan, the left side first square formation is for inputting initial consonant, middle second square formation is for inputting simple or compound vowel of a Chinese syllable, the right third party's battle array is for inputting tone, the current phonetic tone of voice feedback, prompting is pressed E1 and is confirmed input Pinyin input, and phonetic and tone that user completes for inputting Chinese character by E1 input.In input process, input information as changed, such as, push the wrong button and can double-click the information that E1 deletes current input Chinese character.After completing phonetic and the tone for input Chinese character, if input (seldom occurring this situation) without candidate word voice message by E2 confirmation, if there is unisonance candidate word, voice are pointed out immediately " has X candidate word, please entering stroke ", the stroke (by T9 stroke scheme) of stroke key-press input for input Chinese character is pressed in square formation, such as " poplar " inputs 1 (one), 2 (Shu), 3 (Pie), 4 (Dian), 5 (Ya), 3 (Pie), 3 (Pie) key, often input one, system filters out the candidate word meeting stroke order immediately in phonetically similar word, and voice quick prompt candidate word X, if the stroke of input can determine unique candidate word, then by E2, voice message please confirms that this word inputs.The present invention, by increasing rightmost third party's battle array as tone input area, can improve blind person's input efficiency, and the tone Braille coding scheme of these 6 square formations adopts Chinese braille GB/T15720-2008 encoding scheme.
E1 braille block input validation/clear key, clicks and confirms the square formation input of braille left, center, right, and instant report feed back input letter or Two bors d's oeuveres, double-click and remove braille square formation input point, long by the input that clears all; E2 is complete for confirming the input of all input contents, and according to the adaptive correlation function of relevant sight.Such as send short messages in operational scenarios, input complete, press E2 key, if do not have addressee or the number of incoming symbol form, voice feedback " inputs complete, please select addressee, or directly Enter Number, determine by E2 by B knob.User operation is complete, and whether inspection is selected correct or Entered Number correct, and input is correct then points out " please again press E2 key and send information ", and incorrect then corresponding prompting reason, please re-enter.
F is the comprehensive key of voice broadcast, and for reporting current place functional status, such as note input, address list are searched, and double-click and report current input content; Long by then calling " reading screen " function, report screen all the elements.
G is direction controlling key, moves left and right for controlling cursor up down word, phrase or the letter of selecting user to input.Direction controlling key layout automatically switches according to horizontal, vertical different mode and defines.
H is state and keyboard change-over switch anyhow, 0 grade for locking the keypad, now except closing of the circuit key comes into force, other keys do not come into force, and prevent maloperation; The switching command that handover module in the various embodiments described above sends is realized by this button, and the setting of this button is the maloperation in order to better prevent user certainly, and the not exclusive approach realizing handover module.1 grade for the horizontal mode of operation of holding of both hands, now adaptive both hands are horizontal holds operation for mobile phone control panel; Hold mode of operation for one hand is perpendicular for 2 grades, now the compatible normal vertical operating habit of regular handset of mobile phone input control, keyboard area is identical with normal regular handset S60 keyboard system, comprises 0-9 numerical key, also has * and # key, and part key definition is changed.
I is volume control key.
J is display screen, can show two row content informations, in order to this display screen cost-saving also can omit.
K is decoration hole, for hanging decorative article.
In figure, this application example adds the button schematic diagram after stroke input in first square formation in D district and the button of the second square formation, and concrete stroke arrangement as shown in the figure, repeats no more.
Singlehanded perpendicular holding operation state, now operated by the vertical mobile phone that grips, function declaration is as follows:
The function of A, B, F, H, I is consistent constant with " horizontal hold " status function, and C, D, E, G keypad then changes to as given a definition:
C is that C1 answers, C2 functional shielding (button operation does not respond).
D is that D1 district defines (as an application example, compatible NokiaS60 keyboard layout of mobile phone) by perpendicular status keys, and wherein D2 is quick keypad, and user can arrange required shortcut function to D2 region according to arranging menu.
E is E1 incoming call answering (same to C1); E2 kill-call.
G is direction controlling, moves left and right the word of the input selecting user, phrase or letter for controlling cursor up down, by perpendicular direction normal running.
The principle of work of this application example is described in detail below in conjunction with concrete using method:
To send note, when blind person uses mobile phone of the present invention, H switch to 1 grade stirred by the horizontal mobile phone of holding of both hands, mobile phone is set to lateral operation pattern.Then select master menu by wheel disc A, wheel disc A every switch voice are the current selected function of feedback user immediately.When voice feedback note, then selected the secondary function menu in SMS menu by switch secondary function wheel disc B, when voice feedback prompts for newly-built note, confirm to enter newly-built SMS by E2.Voice message selects addressee by knob, or directly Enters Number, and determines addressee by E2.User selects address list addressee by knob, and each switch wheel disc one lattice, Rapid Speech feeds back name and number immediately, and user determines addressee by E2.User also directly can directly input addressee's number by the undefined numeric keypad of lateral operation pattern in addition, often inputs a digital voice feedback.Can double-click E1 as input error to remove, Enter Number complete by E2 confirmation, the number format of systems inspection input, errors excepted voice feedback prompting is re-entered.Prompting user as errorless in form please input short message content.User also user can switch selection addressee and short message content input state, the corresponding prompting of voice feedback to the lower/upper button of operating key G.Under short message content input state, user adopts braille phonetic, tone in conjunction with stroke input target characters by braille input area D, and after whole words of the note sent when input is required, user presses E2 key can send note.If wrong, voice feedback prompting corresponding operating, send successfully, voice message " sends successfully ".
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do amendment, modification, substitute, combination, to simplify; all should be the substitute mode of equivalence, all should be included within protection scope of the present invention.
Claims (11)
1. support a data inputting method for the mobile phone of braille, it is characterized in that, comprise step:
When triggering that mobile phone is perpendicular holds operator scheme, mobile phone being switched to and perpendicularly holding operator scheme, receiving the key command of user, hold according to perpendicular the input and output that operator scheme carries out information;
When triggering mobile phone lateral operation pattern, mobile phone is switched to braille operator scheme, receive the key command of user, the input and output of information are carried out according to braille operator scheme, particularly, receive consonant information instruction and the simple or compound vowel of a Chinese syllable information command of user's input, generate corresponding candidate's unisonance Chinese character; The phonetic of this candidate's unisonance Chinese character of voice broadcast, and prompting input tone; The tone instruction receiving user's input is screened described candidate's unisonance Chinese character; Described candidate's unisonance Chinese character quantity after screening is carried out voice broadcast.
2. the data inputting method of the mobile phone of support braille according to claim 1, is characterized in that, also comprises after the described candidate Chinese character after screening is carried out voice broadcast:
Receive the stroke information instruction of pressing stroke order fractionation for input Chinese character of user's input, often receive a stroke information instruction, this entering stroke of voice broadcast, and current described candidate's unisonance Chinese character is screened, filter out the candidate unisonance Chinese character meeting entering stroke order, residue candidate unisonance Chinese character quantity result after this screening of voice broadcast, until only remain next candidate word, and voice message associative operation.
3. the data inputting method of the mobile phone of support braille according to claim 2, it is characterized in that, described stroke comprises: numeral be 1 button on stroke " ", numerical key be 2 button on stroke " Shu ", numerical key be 3 button on stroke " Pie ", numerical key be 4 button on stroke " Dian ", numerical key be 5 button on stroke “ Ya ", the asterisk wildcard " * " on input keyboard;
Also comprise step:
If described stroke information instruction is asterisk wildcard, in conjunction with described asterisk wildcard and other received stroke information instructions, described candidate Chinese character is screened.
4. support a mobile phone for braille, it is characterized in that, described mobile phone comprises:
Input keyboard, for being converted to corresponding key command by the input information of user;
Erect and hold operator scheme system, for receiving the key command of user, providing perpendicular and holding operator scheme input function;
Braille operator scheme system, for receiving the key command of user, provides braille operator scheme input function;
Handover module, for mobile phone is switched described perpendicular holding between operator scheme system and described braille operator scheme system, when triggering that mobile phone is perpendicular holds operator scheme, mobile phone being switched to and perpendicularly holding operator scheme, when triggering mobile phone lateral operation pattern, mobile phone is switched to braille operator scheme.
5. the mobile phone of support braille according to claim 4, it is characterized in that, when described input keyboard is laterally arranged, described input keyboard comprises the one or six square formation and the two or six square formation, described one or six square formation and described two or six square formation distribute according to international braille standard point position method, when by described input keyboard input Chinese character, described one or six square formation is for inputting the initial consonant of this Chinese character, and described two or six square formation is for inputting the simple or compound vowel of a Chinese syllable of this Chinese character.
6. the mobile phone of support braille according to claim 5, it is characterized in that, described input keyboard also comprises the three or six square formation, when described input keyboard is laterally arranged, described three or six square formation is positioned at the right side of described two or six square formation, for inputting tone, when described input keyboard is vertically arranged, described three or six square formation is for providing default shortcut function.
7. the mobile phone of support braille according to claim 6, it is characterized in that, each button of described one or six square formation and described two or six square formation respectively comprises corresponding stroke, described braille operator scheme system comprises stroke load module, for screening candidate Chinese character according to stroke input instruction, further, after the phonetic of input candidate Chinese character, in phonetically similar word, a unique candidate Chinese character is filtered out in conjunction with the stroke order entering stroke instruction of candidate Chinese character.
8. the mobile phone of support braille according to claim 7, it is characterized in that, voice feedback module, for reporting the phonetic of current input after by described one or six square formation, described two or six square formation input Pinyin, and when the candidate Chinese character quantity under the phonetic reporting current tone after inputting tone by described three or six square formation and this phonetic tone, after passing through described stroke key-press input stroke, report the candidate Chinese character quantity under current entering stroke, until the target characters in conjunction with stroke under current tone is unique.
9. the mobile phone of support braille according to claim 7, it is characterized in that, numerical key be 1 button on stroke be " one ", numerical key be 2 button on stroke be " Shu ", numerical key be 3 button on stroke be " Pie ", numerical key be 4 button on stroke be " Dian ", numerical key be 5 button on stroke Wei “ Ya "; For the button of " * " is for providing the function of asterisk wildcard on described input keyboard.
10. the mobile phone of support braille according to claim 6, is characterized in that, between described one or six square formation and the two or six square formation and the two or six shielding wire respectively comprising one article of slight convex between square formation and the three or six square formation.
The mobile phone of 11. support brailles according to claim 4, is characterized in that, described mobile phone also comprises function of tonic chord rotating disk and secondary function rotating disk, and described function of tonic chord rotating disk is for selecting master menu and circulation polling menu option; Described secondary function rotating disk is for selecting secondary function submenu corresponding under current the main menu item.
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| KR101646742B1 (en) * | 2014-09-11 | 2016-08-08 | 최한솔 | A touch screen device with braille providing function an mehod of controlling the same |
| CN108073291B (en) * | 2016-11-09 | 2022-07-12 | 北京搜狗科技发展有限公司 | Input method and device and input device |
| CN108255314A (en) * | 2018-01-15 | 2018-07-06 | 南京特殊教育师范学院 | A kind of Braille input method based on phonetic notation prompting multi-touch gesture identification |
| CN111814437A (en) * | 2020-05-28 | 2020-10-23 | 杭州视氪科技有限公司 | Method for converting braille into Chinese based on deep learning |
| AU2020463301B2 (en) * | 2020-08-10 | 2024-05-09 | SENSEE, Inc. | Braille educational material and manufacturing method therefor |
| CN113593141A (en) * | 2021-07-12 | 2021-11-02 | 江苏苏宁银行股份有限公司 | Bank self-service system |
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| CN101098357B (en) * | 2006-06-29 | 2010-12-22 | 北京三星通信技术研究有限公司 | Communication terminal for supporting braille input and method for transmitting braille using the terminal |
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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1510554A (en) * | 2002-12-24 | 2004-07-07 | 深圳市中兴通讯股份有限公司 | Embedded applied Chinese character inputting method |
| CN101005525A (en) * | 2006-01-18 | 2007-07-25 | 英华达（南京）科技有限公司 | Functional mode switching method for providing different group use in cell phone |
| CN1848049A (en) * | 2006-03-27 | 2006-10-18 | 富明慧 | Half square braille digital coding Chinese character inputting method |
| CN101639823A (en) * | 2009-06-01 | 2010-02-03 | 北京联合大学 | Braille electronic dictionary |
| CN101561718A (en) * | 2009-06-05 | 2009-10-21 | 烟台朱葛软件科技有限公司 | Braille input method of keyboard, keyboard and mobile phone adopting same |
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| CN102591476A (en) | 2012-07-18 |
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