CN103543950B - Touch track-based braille input device and method for blind use - Google Patents
Touch track-based braille input device and method for blind use Download PDFInfo
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Abstract
A touch track-based braille input device and method for the blind are designed by combining a touch technology and a braille technology for the blind, and aim to solve the problem that the vision-impaired people are obstructed by inputting characters on a touch device without an entity bump keyboard. The invention takes the touch track as the basis, represents the braille symbol according to the specific direction and shape, continuously draws two tracks and compares the two tracks through a track diagram during input, and responds to a braille symbol for blind use by assisting the voice prompt so as to assist the visually impaired to quickly and accurately input braille on the touch devices of a touch mobile phone, a tablet computer and the like.
Description
【Technical field】
The present invention is on a kind of designed braille input device based on touch trajectory technology and blind use braille technology
With method.
【Background technology】
Fast-ripenin with contact panel technology develops, and seems resistance-type, condenser type, infrared ray, Supersonic waves and electricity
Magnetic-type etc., various contact panel technologies are developed in succession, and single-point touch is to the evolution of multipoint-touch-technology, as current
The Apple multi-point touch United States Patent (USP) 7,479,949 for just passing through, these technologies are largely widely used in PDA
The equipment, relative, traditional keystroke such as (Personal Digital Assistant), mobile phone, tablet PC, information household appliances
Device is also rapidly replaced by these contact panels, and life of such development in science and technology to us brings many conveniences,
We enjoy science and technology it is convenient when, for visually impaired person, but cause another obstacle and numeral drop, if can be with these technologies
Based on, further design and meet operate interface and mode that visually impaired person uses, them can be assisted to shorten digital drop, with
Person of good sense typically enjoys the convenience that science and technology is brought.
Braille is a kind of touching reading and input system for aiming at blind person's design, the braille mark of different changes is assigned different
Meaning, to replace the common language of bright eye society；Braille is Frenchman Blair (Louis Braille, 1809-1852) in public affairs
First one or eight pseudo-ginseng year formal design is completed, and to the May 4th of Christian era one or eight year for various countries formally use, each party's braille has six points
Cell, its a width of two cell, a height of three cells, for the sake of the convenience for distinguishing, each point cell is numbered,
Three, left side point, is sequentially, second point, thirdly at first point, and three points on the right are sequentially at the 4th point, the 5th point, the 6th point,
By taking China as an example, braille according to Blair's braille system, with the different word tone of different braille symbolic representations, comprising 21 sound
Female, 16 simple or compound vowel of a Chinese syllable, 22 combinations rhythm and five circumflexs, are then with different braille symbolic representations 26 by taking English as an example
English alphabet.
Conventional, visually impaired person is input into above-mentioned 6 brailles using physical button position is touched, and such as visually impaired person can pass through
Salient point on the F keys and J keys of personal computer keyboard is touched to position, but with rapid technological growth, keyboard is gradually by touch surface
After plate substitution, visually impaired person can not be input into by touching physical button position as before, therefore produce on contact panel
The problem of braille cannot be input into, digital drop and inconvenience is caused.
On some touch-control mobile phones and tablet PC, a kind of elder generation is provided with single-point on the dummy keyboard of Touch Screen
Slide, slides while voice message, when the alphabetical or symbol to be input into is slided into, then with finger double-clicking panel come true
Give up into mode, but this kind of method positions for visually impaired person and is not easy to, and movement finds wanted symbol and need to expend many
Time.The another B2 of United States Patent (USP) US 8217787 also have proposition a kind of in fixed position touching input braille mode, are existed by visually impaired person
The fixed position practice is found on contact panel, such as on contact panel, behind pre-designed six lattice fixed position, then with one
Once touch diverse location to determine be input into braille symbol simultaneously to six fingers, this method is also for visually impaired person
There is the difficulty found in the positioning of position.
As can be seen here, above-mentioned existing mode still has many missings, it would be highly desirable to improved.
【The content of the invention】
It is that a kind of combination is touched present invention aim at a kind of braille input apparatus and method suitable for contact panel are provided
Control panel technology and it is blind use braille technology, based on touch trajectory, design one be enclosed within contact panel be adapted to visually impaired person
The input mode of operating habit, reaches and makes visually impaired person quick and accurately enter braille, shortens digital drop, as common people
Enjoy the convenience that science and technology is brought.
A kind of blind based on touch trajectory for reaching foregoing invention purpose uses braille input apparatus and method, using touch-control rail
Based on mark, braille symbol is represented according to its direction and shape, during input, continuously draw two tracks, that is, be input into a braille
Symbol；If when running into input error and need to cancel, can be by contact panel drawing specific track or performing specific action
To cancel input；As needed also can be by drawing specific track or execution on contact panel during switching input method and word selection
Specific action is reached.
After input point character number successively, the braille symbol that be able to will be input into by application conversion table is converted into Chinese character
Number, and the mode of collocation display and voice message allows visually impaired person to confirm be input into content correctness at any time and be modified,
Auxiliary visually impaired person is reached rapidly and accurately in the purpose that word is input on contact panel.
Method provided by the present invention, when being compared to each other with other prior arts, more for following advantages：
1st, the method for the present invention can aid in visually impaired person with braille input word on contact panel, solve no physical keyboard
Touch-control mobile phone and tablet PC on be input into the obstacle that is caused to visually impaired person of word.
2nd, the method for the present invention for the operating habit design of visually impaired person's input braille visually impaired person can easily make
Braille is input on contact panel with this method, study is reduced and is used door, shorten digital drop.
3rd, the method for the present invention is based on touch trajectory, and without necessarily referring to point, more can be with one-handed performance, compared with existing
Technology, the fixed position practice is found by visually impaired person on contact panel, can effectively shorten visually impaired person's input point on contact panel
The time of word, it is helped quickly and accurately to be input into word.
【Brief description of the drawings】
Fig. 1 is the method flow diagram of blind use character-pointing input method of the present invention based on touch trajectory；
Fig. 2 is the module diagram of blind use braille input apparatus and method of the present invention based on touch trajectory；
Fig. 3 A, 3B, 3C are track and the braille symbol corresponding diagram of blind use character-pointing input method of the present invention based on touch trajectory；
Fig. 4 is the English braille symbol conversion table of blind use character-pointing input method of the present invention based on touch trajectory；
Fig. 5 A~5D is the national language braille symbol conversion table of blind use character-pointing input method of the present invention based on touch trajectory.
Description of reference numerals
100~103 blind use character-pointing input method step
200~203 blind use braille input apparatus module flows
【Specific embodiment】
Fig. 1 and Fig. 2 is method of the present invention flow and module diagram, wherein braille symbol trajectory diagram mark identification mould
Block using eight kinds of tracks in Fig. 3 A- Fig. 3 C with three eight kinds of corresponding, Fig. 3 A of combination of point are used in blind use braille the Symbol Style
By 360 ° of touch input area domains, eight regions are cut into, eight regions define eight tracks in direction, represent braille symbol respectively
In three the eight of point kinds combination；Fig. 3 B and Fig. 3 C are represented three in braille symbol with eight kinds of tracks according to its direction and shape
Eight kinds of combinations of point, the left side " 1,2, the 3 " point according to the braille symbol to be input into draws its corresponding track 100, according to institute
The right " 4,5, the 6 " point for the braille symbol to be input into, draws its corresponding track 101,102 according to 100 and 101 continuous inputs
The direction of two tracks and shape, judge corresponding braille symbol, judge input results 103, can make to cancel, switch input
The treatment such as method, word selection, if run into input error and need to cancel, can by contact panel drawing specific track or hold
Row specific action cancels input；If running into when needing switching input method, can by contact panel drawing specific rail
Mark or performing specific action switches input method；If when running into the word of input and having multiple options, can be by contact panel
Different options are selected to draw specific track or execution specific action, it is possible to specific to draw on contact panel
Symbol or performing specific action makees to determine.
The present invention described in wherein Fig. 2 is based on the module diagram of the blind use braille input device of touch trajectory, wherein being
It is a contactor control device and as the input module of touch trajectory including input module 200；Braille symbol trajectory diagram mark recognizes module
201, do identification treatment and differentiate for the touch trajectory for input；Database 202, comprising the braille symbol trajectory diagram mark
Data needed for identification module 201；Output module 203, exports the gained of braille symbol trajectory diagram target identification module 201
As a result.Described braille symbol trajectory diagram mark identification module 201, comprising the corresponding touch trajectory of identification, and utilizes braille symbol
With the corresponding table of track, then correspondence output is changed into according to braille symbol conversion table, or using specific track and specific action
The table of comparisons, picks out the action for answering the execution；The database, the corresponding table comprising the braille symbol and the track,
Braille symbol conversion table and the specific track of definition and the table of comparisons for performing specific action, it is the point character for recognizing module to be
The icon identification of number track is used；The output module 203, the way of output also comprising display and voice message.
Implement the inventive method in the input of different language, difference is only in the corresponding word of braille numbering combination of input
Symbol conversion table is different, separately the switching between the input of different language word, can be used finger specific in being drawn on contact panel
The mode of symbol switch, be that can be further understood that technology contents of the invention, sincerely help with two preferred embodiments
Coordinate explanation, the track of first input represents the braille symbol left side " 1,2,3 " point, second track of input in embodiment
Braille symbol the right " 4,5,6 " point is represented, is described as follows：
One embodiment：User is intended to inputting English letter " H " this word, if braille symbol and the table of comparisons of track, determine
As shown in Figure 3A, then step is described as follows justice：
(1) input level is turned left the track of slip on contact panel；
(2) input level is turned right the track of slip on contact panel；
(3) by after point character track icon identification module with corresponding table contrast judgement, being used with display and voice message
It is " 1,2,5 " pattern that family receives input point character number at present, by the English braille symbol conversion table of Fig. 4, can be compiled braille point
Number English alphabet symbol is converted into, is converted into English alphabet " H ", while to show and voice message user is " H "；
(4) if user has found input error, " α " is drawn on contact panel to cancel input, if user wants to cut
Input method is changed, then draws " △ " on what contact panel to switch input method.
In the present embodiment, if braille symbol and the table of comparisons of track, define as shown in Fig. 3 B or Fig. 3 C, implementation steps are such as
With above-mentioned (1)~(4).
Second embodiment：User is intended to be input into " prince " this word, if braille symbol and the table of comparisons of track, define such as
Shown in Fig. 3 A, step is as follows：
(1) it is input on contact panel toward 45 ° of the upper left track of slip；
(2) the vertical track up slided is input on contact panel；
(3) input point character number " 4,5,6 " is received with display and voice message user at present, and by Fig. 5 A-5C national languages
Braille symbol conversion table, can be converted into Chinese character phonetic alphabet symbol by braille point numbering, be converted into phonetic symbol " ㄨ ㄤ；
(4) if user has found input error, " α " symbol is drawn on contact panel to cancel input and return to step
(1) following steps, are otherwise continued；
(5) input level is turned right the track of slip on contact panel；
(6) it is input on contact panel toward 45 ° of the upper left track of slip；
(7) input point character number " 2 " is received with display and voice message user, and by the national language point character shown in Fig. 5 D
Number translation table answers tone " two sound " in pairs, and when circumflex is received, then the symbol being previously input into is combined, with
And conversion phonetic symbol is " ㄨ ㄤ ˊ ", then phonetic notation is converted into Chinese written language；
(8) because there are multiple alternative candidate words, therefore selected with words voice message user, such as：Dead " dying ", then
Touch Screen is clicked, next candidate word can be listened to, such as：" king " of imperial court, the word for being intended to selection is got when listening, then double-click touch screen
Determining input, that reresent that user is input into is " king " of imperial court to curtain, if user has found input error, by touching
" α " symbol is drawn on control panel to cancel input, and return to step (1), otherwise continue next step, if user thinks switching
Input method, then draw " △ " to switch input method by contact panel；
(9) input level is turned left the track of slip on contact panel；
(10) input level is turned right the track of slip on contact panel；
(11) input point character number " 1,2,5 " is received with display and voice message user at present, and by shown in Fig. 5 A -5C
National language braille symbol translation table into phonetic symbol " ㄗ ", if user has found input error, drawn on contact panel "
α " symbols cancel input and return to step (1)；
(12) on contact panel input level toward the tracks of 45 ° of upper right slip；
(13) on contact panel input level toward the track of 45 ° of upper left slip；
(14) input point character number " 1 " is received with display and voice message user, and by Fig. 5 D national language braille symbols
Translation table correspondence word tone " softly ", when circumflex is received, then the symbol being previously input into is combined, with
And it is " ㄗ ˙ to change phonetic symbol ", then phonetic notation is converted into Chinese written language, and with words voice message user selection input as child
" son " of son；
(15) if user has found input error, " α " symbol is drawn by contact panel to cancel input, and
And step (1) is returned to, and otherwise continue next step, if user wants to switch input method, " △ " is drawn on contact panel, come
Switching input method.
In the present embodiment, if braille symbol and the table of comparisons of track, define as shown in Fig. 3 B or 3C, then step is as ibid
State, only by substitution of the track defined in the new table of comparisons.Herein so that the table of comparisons is Fig. 3 B as an example, step is described as follows：
(1) arc trajectory turned left and bend up slide again is input on contact panel, such as
(2) the vertical track up slided is input on contact panel；
(3) input point character number " 4,5,6 " is received with display and voice message user at present, and by shown in Fig. 5 A-5C
National language braille symbol conversion table, be converted into phonetic symbol " ㄨ ㄤ "；
(4) if user has found input error, " α " symbol is drawn on contact panel to cancel input and return to step
(1) next step, is otherwise continued；
(5) input level is turned right the track of slip on contact panel；
(6) arc trajectory turned left and bend up slide again is input on contact panel, such as
(7) input point character number " 2 " is received with display and voice message user, and by the national language point character shown in Fig. 5 D
Number translation table answers tone " two sound " in pairs, and when circumflex is received, then the symbol being previously input into is combined, with
And conversion phonetic symbol is " ㄨ ㄤ ˊ ", then phonetic notation is converted into Chinese written language；
(8) because there are multiple alternative candidate words, therefore selected with words voice message user, such as：Dead " dying ", then
Touch Screen is clicked, next candidate word can be listened to, such as：" king " of imperial court, the word for being intended to selection is got when listening, then double-click touch screen
To determine input, it is " king " of imperial court to reresent user's input to curtain, if user has found input error, by touch surface
" α " symbol is drawn on plate to cancel input, and returns to step (1), otherwise continue next step, if user thinks switching input
Method, then draw " △ " to switch input method on contact panel；
(9) input level is turned left the track of slip on contact panel；
(10) input level is turned right the track of slip on contact panel；
(11) input point character number " 1,2,5 " is received with display and voice message user at present, and by Fig. 5 A-5C national languages
Braille symbol translation table if user has found input error, draws " α " symbol into phonetic symbol " ㄗ " on contact panel
To cancel input and return to step (1)；
(12) input level is turned right the arc trajectory for bending up slide again on contact panel, such as(13) exist
Input level is turned left the arc trajectory for bending up slide again on contact panel, such as
(14) input point character number " 1 " is received with display and voice message user, and by Fig. 5 D national language braille symbols
Translation table correspondence word tone " softly ", when circumflex is received, then the symbol being previously input into is combined, with
And it is " ㄗ ˙ to change phonetic symbol ", then phonetic notation is converted into Chinese written language, and with words voice message user selection input as child
" son " of son；
(15) if user has found input error, input is cancelled by drawing " α " symbol on contact panel, and return to
Step (1), otherwise continues next step, if user wants to switch input method, " △ " is drawn on what contact panel defeated to switch
Enter method.
In sum, it is presently preferred embodiments of the present invention, its is non-for limiting to scope of patent protection of the invention, therefore to this
Reasonable change done by description of the invention and accompanying drawing content, is all included in the scope of the present invention, gives old
It is bright.
Claims (14)
1. a kind of blind use character-pointing input method based on touch trajectory, it is characterised in that comprise the following steps：
Step a. draws its corresponding track according to side [1,2, the 3] point for the braille symbol to be input into；
Step b. draws its corresponding track according to opposite side [4,5, the 6] point for the braille symbol to be input into；
Two tracks that step c. is continuously input into according to step a, b, judge corresponding braille symbol and display response mode.
2. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that described step a,
B draws its corresponding track, the corresponding table of described braille symbol and the track, the specific rail comprising designed, designed with definition
The corresponding table of mark.
3. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that described step a,
B draws its corresponding track, described braille symbol and the corresponding table of the track, is defined as cutting in 360 ° of touch input area domains
It is cut into eight sector regions；Eight regions define eight tracks in direction respectively, represent three points in the braille symbol
Eight kinds combination.
4. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that described step a,
B draws its corresponding track, the corresponding table of described braille symbol and track, define eight kinds of tracks for up, down, turn left,
The four kinds of straight paths and turning left of turning right bend again up, turn right bend again up, turn left bend again down, to turn right that it is past bend again
Under four kinds of arc trajectories, this is corresponded into three the eight of point kinds of combinations in braille symbol.
5. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that described step a,
B draws its corresponding track, the corresponding table of described braille symbol and track, define eight kinds of tracks for up, down, turn left,
The four kinds of straight paths and up bending again of turning right turn left, up bend again turn right, down bend again turn left, down bend again it is past
Four kinds of right arc trajectories, three the eight of point kinds of combinations in braille symbol are corresponded to by this.
6. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that described step c,
It is the response mode with display and voice message, to inform the result that visually impaired person is input into, makes its correct judgment.
7. the blind use character-pointing input method based on touch trajectory according to claim 1, it is characterised in that further include and judge defeated
After the result for entering, alignment processing is performed on demand, wherein alignment processing includes cancelling, switches input method and word selection.
8. the blind use character-pointing input method based on touch trajectory according to claim 7, it is characterised in that it is described on demand
If performing alignment processing to further include when running into input error and need to cancel, by drawing specific track or execution on contact panel
Specific action cancels previous braille input.
9. the blind use character-pointing input method based on touch trajectory according to claim 7, it is characterised in that it is described on demand
If perform alignment processing further include run into need switching input method when, by drawing specific track or execution on contact panel
Specific action switches input method.
10. the blind use character-pointing input method based on touch trajectory according to claim 7, it is characterised in that described according to needing
Further included when running into the word of input and there are multiple options if asking and performing alignment processing, by drawing specific track on contact panel
Or perform specific action and select different options, it is possible to specific symbol is drawn on contact panel or specific action is performed
To make to determine.
A kind of 11. blind based on touch trajectory use braille input device, it is characterised in that including：
Input module, is a contactor control device, for the input of touch trajectory, when touch trajectory is input into, first according to wanting defeated
Side [1,2, the 3] point for the braille symbol for entering, is input into its corresponding touch trajectory, then according to the point character to be input into
Number opposite side [4,5,6] point, be input into its corresponding touch trajectory；
Braille symbol trajectory diagram mark recognizes module, does identification treatment and differentiates for two touch trajectories for continuous input；
Database, comprising the data needed for braille symbol trajectory diagram mark identification module；
Output module, for exporting for the result obtained by braille symbol trajectory diagram target identification module.
12. blind based on touch trajectory according to claim 11 use braille input device, it is characterised in that described point
Character track icon identification module, is to include the corresponding touch trajectory of identification, and using braille symbol and the corresponding table of track,
Correspondence output is changed into according to braille symbol conversion table again, or using specific track and the table of comparisons of specific action, is picked out and is answered
The action of execution.
13. blind based on touch trajectory according to claim 11 use braille input device, it is characterised in that described number
According to storehouse, corresponding table, braille symbol conversion table comprising the braille symbol and the track and define specific track and perform
The table of comparisons of specific action, data are provided for the braille symbol trajectory diagram mark identification for the identification module.
14. blind based on touch trajectory according to claim 11 use braille input device, it is characterised in that described is defeated
Go out module, the way of output also comprising display and voice message.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102120095 | 2013-06-06 | ||
| TW102120095A TWI579760B (en) | 2013-06-06 | 2013-06-06 | A method of braille input based on orbits recorded by a touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103543950A CN103543950A (en) | 2014-01-29 |
| CN103543950B true CN103543950B (en) | 2017-06-09 |
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| CN201310541553.3A Expired - Fee Related CN103543950B (en) | 2013-06-06 | 2013-11-04 | Touch track-based braille input device and method for blind use |
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| Country | Link |
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| CN (1) | CN103543950B (en) |
| TW (1) | TWI579760B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105653062A (en) * | 2016-01-04 | 2016-06-08 | 钟林 | Method and device for inputting characters into smart watch through direction gestures |
| TWI631484B (en) * | 2017-03-07 | 2018-08-01 | 緯創資通股份有限公司 | Direction-based text input method, system and computer-readable recording medium using the same |
| CN114697448A (en) * | 2022-03-29 | 2022-07-01 | 南京点明软件科技有限公司 | Mobile phone input method applied to blind person operation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752903A (en) * | 2005-10-26 | 2006-03-29 | 熊猫电子集团有限公司 | Braille input method of mobile information terminal |
| CN103049082A (en) * | 2011-12-28 | 2013-04-17 | 中华电信股份有限公司 | Braille input method suitable for touch panel |
| TWI450129B (en) * | 2010-08-20 | 2014-08-21 | Hungtao Wan | Electronic device with chinese input system and touching screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120136900A (en) * | 2011-06-10 | 2012-12-20 | 삼성전자주식회사 | Apparatus and method for inputting braille in device with touch screen |
-
2013
- 2013-06-06 TW TW102120095A patent/TWI579760B/en not_active IP Right Cessation
- 2013-11-04 CN CN201310541553.3A patent/CN103543950B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752903A (en) * | 2005-10-26 | 2006-03-29 | 熊猫电子集团有限公司 | Braille input method of mobile information terminal |
| TWI450129B (en) * | 2010-08-20 | 2014-08-21 | Hungtao Wan | Electronic device with chinese input system and touching screen |
| CN103049082A (en) * | 2011-12-28 | 2013-04-17 | 中华电信股份有限公司 | Braille input method suitable for touch panel |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201447733A (en) | 2014-12-16 |
| CN103543950A (en) | 2014-01-29 |
| TWI579760B (en) | 2017-04-21 |
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