CN1991717A - Virtual keyboard and hand-write synergic input system and realization method thereof - Google Patents
Virtual keyboard and hand-write synergic input system and realization method thereof Download PDFInfo
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- CN1991717A CN1991717A CN 200510135440 CN200510135440A CN1991717A CN 1991717 A CN1991717 A CN 1991717A CN 200510135440 CN200510135440 CN 200510135440 CN 200510135440 A CN200510135440 A CN 200510135440A CN 1991717 A CN1991717 A CN 1991717A
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Abstract
The invention discloses a virtual keyboard and hand-written synergic input system and method that includes stylus, touch screen, display screen, input devices of virtual keyboard and hand-written input device which are connected with the touch screen, the input device of virtual keyboard includes: sensing unit of virtual keyboard operation which is used to receive the operation signal of button, virtual keyboard input unit which is used to receive the input signal of virtual keyboard, the virtual keyboard input accomplishing processing unit which is used to analysis process the input signal and output the result; the handwritten input device includes: identification unit of hand-written state which is used to identify the stylus contact the writing pad or not, and hand-written course identification unit which is used to judge the hand-written course, and the identification and display unit which is used to identify, process, and output the handwritten trace to the display screen, and the invention can identify the keyboard input state and the virtual keyboard input state automatically, and there is not need to set, and makes the input switch more terse and convenient.
Description
Technical field
The present invention relates to a kind of input system and method for electronic product, particularly a kind of being applied in the electronic product, the system of dummy keyboard and hand-written collaborative input and its implementation.
Background technology
Handwriting input and dummy keyboard input are more and more to be two kinds of input methods commonly used in the electronic product input mode in recent years, hand-written inputting method to refer to the electronic product terminal hand-written on touch-screen by built-in stylus, the recognition system of touch-screen by inside is converted to the discernible standard letter of electronic product terminal to hand-written various fonts and is presented on the touch-screen, so just improved the speed of input widely; And the importer need not additionally to train and can use.And the method for dummy keyboard input is to show dummy keyboard on touch-screen, import by the selection of stylus, often the button on the dummy keyboard is more, and it is less to have reduced on the ordinary electronic product keyboard button, needs a plurality of key combinations to be used to complete the trouble of input.Thereby the approval that these two kinds of input methods are all simple because of it, convenience has obtained more and more users.
But these two kinds of input methods all are separately as a kind of input method at present traditional electronic product terminal, need to set respectively to use, in input mode is in dummy keyboard input and handwriting input and the electronic product deposited, carry out the Chinese character input and need at first to select to determine dummy keyboard input mode or handwriting input mode, dual mode switches and can not finish automatically, use particularly inconvenience, have bigger use limitation.
Summary of the invention
The technical problem to be solved in the present invention is: system and its implementation that a kind of dummy keyboard and hand-written collaborative input are provided, this system can realize the switching of dummy keyboard input and handwriting input automatically when importing, need not artificial manually setting, simple to operate, it is convenient to realize.
For solving the problems of the technologies described above, the invention provides the system of a kind of dummy keyboard and hand-written collaborative input, comprise stylus, touch-screen, the dummy keyboard input media and the hand input device that are connected with touch-screen,
Described dummy keyboard input media comprises further:
Dummy keyboard operation sense notice of invitation unit is used to receive the signal that stylus contacts touch-screen;
The dummy keyboard input block is used to receive dummy keyboard input state trigger pip, receives the input information of stylus to dummy keyboard when dummy keyboard is in the input service state;
Processing unit is finished in the dummy keyboard input, is used for the information of dummy keyboard input is recognized, made up, and generate possible selection Chinese character, and the result after will confirming exports demonstration;
Described hand input device comprises further:
Hand-written state recognition unit is used to judge whether stylus contacts with handwriting pad;
Hand-written procedure identification unit, be used to receive hand-written state trigger pip after, judge whether stylus carries out handwriting input;
Handwriting tracks is discerned and the output display unit, is used for demonstration is discerned, handles, also exported to handwriting tracks.
Further, dummy keyboard input state trigger pip and hand-written state trigger pip are produced by dummy keyboard operation sense notice of invitation unit or hand-written state recognition unit.
Further, be provided with stylus contact touch-screen in the described dummy keyboard operation sense notice of invitation unit and trigger dummy keyboard the shortest virtual point input time and touch timer, described virtual point is touched timer zero clearing when stylus contact touch-screen and is restarted.
Further, described handwriting tracks identification also comprises with the output display unit:
Handwriting tracks receives and display unit, is used for temporarily storing and showing the track of hand-written process;
Dot matrix recognizer unit is used to store the algorithm of this word being discerned according to input trajectory information;
Hand-written logical algorithm unit is used for calling related algorithm from dot matrix recognizer unit according to input trajectory and carries out literal identification;
The hand-written processing unit of finishing is used for demonstration exported in the word that identification is finished dealing with.
Further, described hand-written state recognition unit also comprises:
Refer to sense of touch notice of invitation unit, be used to receive the hand-written preparation trigger pip of stylus contact handwriting pad;
Take off sense of touch notice of invitation unit, be used to receive stylus and leave handwriting pad, finish the handwriting input trigger pip.
Further, described take off to be provided with in the sense of touch notice of invitation unit wait for that stylus lifts and the taking off of shortest time of finishing hand-written process touched timer.
Further, described virtual finger touches the timer timing touches timer greater than described finger timing.
For solving the problems of the technologies described above, the present invention also provides the method for a kind of dummy keyboard and hand-written collaborative input, is applied in the input of electronic product, can realize the switching of dual mode automatically, and this method comprises the steps:
(a) finger is set and touches timing, detect stylus and contact, and touch timing greater than referring to duration of contact, withdraw from the dummy keyboard operation, trigger hand-written standby condition with touch-screen;
(b) in the handwriting input process, record handwriting input track is finished handwriting input, discerns output and shows;
(c) detect stylus and contact, and touch timing greater than virtual point duration of contact, withdraw from the handwriting input state, trigger the dummy keyboard input state with touch-screen;
(d) in the dummy keyboard input process, point touches dummy keyboard input, shows input information.
Further, described handwriting input state is determined to realize by following method: set first setpoint distance, judge that stylus refers to touch displacement in the timing whether greater than first setpoint distance, if show that then stylus is carrying out handwriting input on handwriting pad.
Further, described stylus displacement is to calculate by calculating stylus position coordinates of starting point and terminal point on board.
Further, described finish handwriting input determine realize by following method: described stylus leaves the board time and touches timing greater than taking off, and shows that then handwriting input finishes.
Compared with prior art, a kind of dummy keyboard proposed by the invention and system and its implementation of hand-written collaborative input, can discern dummy keyboard input state and handwriting input state automatically, in carrying out input process, need not to carry out the setting of input method, make when in electronic product, importing that it is more succinct, convenient that input mode is switched.
Description of drawings
Fig. 1 is the system construction drawing of dummy keyboard and hand-written collaborative input in the specific embodiment of the invention.
Fig. 2 is the realization flow figure of dummy keyboard and hand-written collaborative input Chinese character in the specific embodiment of the invention.
Fig. 3 is the realization flow figure that realizes hand-written inputting method in the specific embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further introduced, but not as a limitation of the invention.
With reference to shown in Figure 1, the system of a kind of dummy keyboard and hand-written collaborative input comprises stylus, touch-screen, the dummy keyboard input media and the hand input device that are connected with touch-screen;
The dummy keyboard input media comprises: processing unit 3 is finished in dummy keyboard operation sense notice of invitation unit 1, dummy keyboard input block 2, dummy keyboard input, wherein:
Dummy keyboard operation sense notice of invitation unit 1 is used to receive the signal of stylus contact touch-screen, wherein is provided with virtual point and touches timer, and this virtual point is touched timer zero clearing when stylus contact touch-screen and restarted;
Dummy keyboard input block 2 is used to receive dummy keyboard input state trigger pip, receives the input information of stylus to dummy keyboard when dummy keyboard is in the input service state;
Hand input device comprises: refers to sense of touch notice of invitation unit 4, takes off sense of touch notice of invitation unit 5, hand-written procedure identification unit 6, handwriting tracks receives and display unit 7, dot matrix recognizer unit 8, hand-written logical algorithm unit 9 and the hand-written processing unit 10 of finishing, wherein:
Refer to sense of touch notice of invitation unit 4, be used to receive the signal of stylus contact handwriting pad, wherein be provided with finger and touch timer, refer to touch timer zero clearing when stylus contact handwriting pad and restart;
Take off sense of touch notice of invitation unit 5, be used to receive the signal that stylus leaves handwriting pad, wherein be provided with to take off and touch timer, take off to touch and take off when touching handwriting pad zero clearing at stylus and restart;
Hand-written procedure identification unit 6 after being used to receive hand-written state trigger pip and stopping hand-written state trigger pip, judges whether stylus carries out handwriting input;
Handwriting tracks receives and display unit 7, is used for temporarily storing and showing the track of hand-written process;
Dot matrix recognizer unit 8 is used to store the algorithm of this word being discerned according to input trajectory information;
Hand-written logical algorithm unit 9 is used for calling related algorithm from dot matrix recognizer unit 8 according to input trajectory and carries out literal identification and carry out the reading of other related data, calculating and judgment processing;
The hand-written processing unit 10 of finishing is used for the word that identification is finished dealing with is outputed to demonstration.
In above-mentioned dummy keyboard input media and hand input device, virtual point is touched the timer timing greater than referring to touch the timer timing, when referring to that sense of touch notice of invitation unit 4 when hand-written procedure identification unit 6 sends the triggering working signal, sends the trigger pip that quits work to dummy keyboard input block 2; When dummy keyboard operation sense notice of invitation unit 1 sends the triggering working signal to keyboard input block 2, send the trigger pip that quits work to hand-written procedure identification unit 6; Guaranteed the switching accuracy of two kinds of input modes like this.
Referring to figs. 2 and 3 shown in, be input as example with portable terminal, this system is in carrying out Chinese character input process, if what originally use is the input of dummy keyboard input mode, then to convert the handwriting input mode of utilizing to, can finish automatic switchover by hand input device, in carrying out the handwriting input process, to be converted to the dummy keyboard input mode, also can realize by the dummy keyboard input media, suppose in this mobile phone, the input method of acquiescence is: the dummy keyboard input method, in input process, carry out two kinds of Automatic Switching of Input according to actual needs, and implementation procedure is as follows:
Step 101: when application program of mobile phone starts, start the dummy keyboard input, load dummy keyboard;
Step 102: the stylus point touches the button on the dummy keyboard, begin to carry out the Chinese character input, system receives the information of dummy keyboard input, and input information recognized, makes up, generate possible options, the selected Chinese character output of confirming according to the dummy keyboard input information shows to touch-screen again;
For example: input " urging ", utilize the stylus point to touch " cu " on the dummy keyboard, touch definite key then, system receives input information and carries out analyzing and processing,, shows " short thick bunch of vinegar " on touch-screen with possible Chinese character output, touch " urging " input information once more, to select the result and send system to, system shows on touch-screen " urging " according to selected result's output.
Step 103: trigger handwriting input, finish the input of " advancing ", its realization is specially:
Step 1031: detect hand-written touch pen and on the handwriting area of touch-screen, press;
Step 1032: set first setpoint distance, judge that whether stylus is referring to touch in the timing displacement in the handwriting input zone greater than first setpoint distance, if, then automatically switch to the handwriting input state, if not, otherwise processed;
Wherein: the displacement of stylus is that the change calculations of position coordinates obtains in the timing referring to touch by calculating stylus;
Step 1033: stylus is write " advancing " on handwriting pad, the record and by this input trajectory of screen displaying, when this word input has finished, calling related algorithm according to input trajectory from the dot matrix recognizer carries out literal identification and carries out the reading of other related data, calculating and judgment processing, the word of selected input is exported to touch-screen with the result and is exported demonstration after being " advancing ".
Thus, finished the input of " promotion ", in dummy keyboard input " urging " afterwards, Direct Recognition the switching of handwriting input state, and need not artificial setting.
In this step, end of input is to take off and touch timing by setting one, and judges that time that stylus breaks away from board touches greater than taking off that timing determines.
Step 104: if in the handwriting input process, click touch-screen, make touch the time its duration of contact, then withdraw from the handwriting input mode automatically, switch to the dummy keyboard input mode, can continue to utilize the dummy keyboard input greater than virtual point with stylus.
Claims (10)
1, the system of a kind of dummy keyboard and hand-written collaborative input comprises stylus, touch-screen, the dummy keyboard input media and the hand input device that are connected with touch-screen, it is characterized in that,
Described dummy keyboard input media comprises further:
Dummy keyboard operation sense notice of invitation unit is used to receive the signal that stylus contacts touch-screen;
The dummy keyboard input block is used to receive dummy keyboard input state trigger pip, receives the input information of stylus to dummy keyboard when dummy keyboard is in the input service state;
Processing unit is finished in the dummy keyboard input, is used for the information of dummy keyboard input is recognized, made up, and generate possible selection Chinese character, and the result after will confirming exports demonstration;
Described hand input device comprises further:
Hand-written state recognition unit is used to judge whether stylus contacts with handwriting pad;
Hand-written procedure identification unit, be used to receive hand-written state trigger pip after, judge whether stylus carries out handwriting input;
Handwriting tracks is discerned and the output display unit, is used for demonstration is discerned, handles, also exported to handwriting tracks.
2, the system of a kind of dummy keyboard as claimed in claim 1 and hand-written collaborative input is characterized in that, dummy keyboard input state trigger pip and hand-written state trigger pip are produced by dummy keyboard operation sense notice of invitation unit or hand-written state recognition unit.
3, the system of a kind of dummy keyboard as claimed in claim 1 and hand-written collaborative input, it is characterized in that, be provided with stylus contact touch-screen in the described dummy keyboard operation sense notice of invitation unit and trigger dummy keyboard the shortest virtual point input time and touch timer, described virtual point is touched timer zero clearing when stylus contact touch-screen and is restarted.
4, the system of a kind of dummy keyboard as claimed in claim 1 and hand-written collaborative input is characterized in that, described handwriting tracks identification comprises further with the output display unit:
Handwriting tracks receives and display unit, is used for temporarily storing and showing the track of hand-written process;
Dot matrix recognizer unit is used to store the algorithm of this word being discerned according to input trajectory information;
Hand-written logical algorithm unit is used for calling related algorithm from dot matrix recognizer unit according to input trajectory and carries out literal identification;
The hand-written processing unit of finishing is used for demonstration exported in the word that identification is finished dealing with.
5, the system of a kind of dummy keyboard as claimed in claim 1 and hand-written collaborative input is characterized in that, described hand-written state recognition unit comprises further:
Refer to sense of touch notice of invitation unit, be used to receive the hand-written preparation trigger pip of stylus contact handwriting pad;
Take off sense of touch notice of invitation unit, be used to receive stylus and leave handwriting pad, finish the handwriting input trigger pip.
6, the system of a kind of dummy keyboard as claimed in claim 4 and hand-written collaborative input is characterized in that, described take off to be provided with in the sense of touch notice of invitation unit wait for that stylus lifts and the taking off of shortest time of finishing hand-written process touched timer.
As the system of claim 3 or 6 described a kind of dummy keyboards and hand-written collaborative input, it is characterized in that 7, described virtual point is touched the timer timing touches timer greater than described finger timing.
8, the method for a kind of dummy keyboard and hand-written collaborative input is applied in the input of electronic product, can realize the switching of dual mode automatically, it is characterized in that this method comprises the steps:
(a) finger is set and touches timing, detect stylus and contact, and touch timing greater than referring to duration of contact, withdraw from the dummy keyboard operation, trigger hand-written standby condition with touch-screen;
(b) in the handwriting input process, record handwriting input track is finished handwriting input, discerns output and shows;
(c) detect stylus and contact, and touch timing greater than virtual point duration of contact, withdraw from the handwriting input state, trigger the dummy keyboard input state with touch-screen;
(d) in the dummy keyboard input process, point touches dummy keyboard input, shows input information.
9, the method for a kind of dummy keyboard as claimed in claim 7 and hand-written collaborative input, it is characterized in that, described handwriting input state is determined to realize by following method: set first setpoint distance, judge that whether stylus refers to touch displacement in the timing greater than first setpoint distance on handwriting pad, if show that then stylus is carrying out handwriting input.
10, the method for a kind of dummy keyboard as claimed in claim 7 and hand-written collaborative input, it is characterized in that, described finish handwriting input determine realize by following method: described stylus leaves the board time and touches timing greater than taking off, and shows that then handwriting input finishes.
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| CNB2005101354409A CN100426212C (en) | 2005-12-28 | 2005-12-28 | Virtual keyboard and hand-write synergic input system and realization method thereof |
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| CNB2005101354409A CN100426212C (en) | 2005-12-28 | 2005-12-28 | Virtual keyboard and hand-write synergic input system and realization method thereof |
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