CN100444091C - Keyboard and hand-write synergic input system and realization method thereof - Google Patents
Keyboard and hand-write synergic input system and realization method thereof Download PDFInfo
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- CN100444091C CN100444091C CNB2005101354470A CN200510135447A CN100444091C CN 100444091 C CN100444091 C CN 100444091C CN B2005101354470 A CNB2005101354470 A CN B2005101354470A CN 200510135447 A CN200510135447 A CN 200510135447A CN 100444091 C CN100444091 C CN 100444091C
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Abstract
The invention discloses a hand-written synergic input system and method that includes stylus, writing pad, display screen, input devices of keyboard and hand-written which are connected with the display screen, the input device of keyboard includes: sensing unit of keyboard operation which is used to receive the operation signal of button, keyboard input unit which is used to receive the input signal of keyboard, the 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. The invention can identify the keyboard input state and handwritten input state automatically, there is no need to set in the input course, and the switch of input mode is easy 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 keyboard and hand-written collaborative input and its implementation.
Background technology
The keyboard input is the most traditional at present, the most general a kind of input mode, but because we the employed keyboard overwhelming majority is a QWERTY keyboard, if Chinese character is imported, just must use a kind of input method of Chinese character, though various input methods based on keyboard emerge in an endless stream, for example: " five ", " phonetic ", " Intelligent ABC ", " Zheng's sign indicating number " or the like, the appearance of these input methods has also brought certain convenience for the Chinese character typing, but these input methods also exist many shortcomings simultaneously, such as: the spelling input method dialect disturbs big, phonetically similar word is many, repetition rate of coding height, and five-stroke input method needs to learn by heart coding inevitably, input rule etc., thereby various input method all can't be accomplished satisfactory to both parties neat U.S. at learnability and ease for use.
In recent years, the proposition of hand-written inputting method, input has proposed great challenge to keyboard, it is hand-written on touch-screen by built-in stylus that it refers to the electronic product terminal, 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.
But, handwriting input is used alone as a kind of input method at present traditional electronic product terminal, in input mode is in keyboard input and handwriting input and the electronic product deposited, carry out the Chinese character input and need at first to select to determine handwriting input mode or keyboard entry method, 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 keyboard and hand-written collaborative input are provided, this system can realize the switching of 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 keyboard and hand-written collaborative input, comprise stylus, handwriting pad, display screen, the finger-impu system that is connected with display screen and hand input device;
Described finger-impu system comprises further:
Keyboard operation perception unit is used to receive the button operation trigger pip;
The keyboard input block, be used to receive keyboard input state trigger pip after, under keyboard input service state, receive the input information of keyboard;
Processing unit is finished in the keyboard input, is used for the information of keyboard input is analyzed, handled, and the result is exported 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.
This system realizes the switching of input state automatically: when being in the keyboard input state, hand-written state recognition unit detects stylus and contacts with handwriting pad, produces hand-written state trigger pip, withdraws from the keyboard input operation, triggers hand-written state; When being in the handwriting input state, keyboard operation perception unit detects keyboard operation, produces keyboard input state trigger pip, withdraws from the handwriting input state, trigger the keyboard input state further, 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.
Further, 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.
Further, be provided with in the described finger sense of touch notice of invitation unit and be used to wait for that the finger that enters handwriting input state maximum duration touches timer; 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 handwriting pad and display screen are touch-screen.
For solving the problems of the technologies described above, the present invention also provides the method for a kind of 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) detect stylus and contact, withdraw from the keyboard input operation, trigger hand-written state with handwriting pad;
(b) in the handwriting input process, record handwriting input track is finished handwriting input, discerns output;
(c) detect keyboard operation, withdraw from the handwriting input state, trigger the keyboard input state;
(d) the keyboard operation is imported, and handles input information, output.
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 handwriting pad.
Further, described finish handwriting input determine realize by following method: described stylus leaves the handwriting pad time and touches timing greater than taking off, and shows that then handwriting input finishes.
Compared with prior art, a kind of keyboard proposed by the invention and system and its implementation of hand-written collaborative input, can discern 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 keyboard and hand-written collaborative input in the specific embodiment of the invention.
Fig. 2 is the realization flow figure of 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 keyboard and hand-written collaborative input comprises stylus, handwriting pad, display screen, the finger-impu system that is connected with display screen and hand input device;
Finger-impu system comprises: processing unit 3 is finished in keyboard operation perception unit 1, keyboard input block 2, keyboard input, wherein:
Keyboard operation perception unit 1 is used to receive the button operation trigger pip;
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 that the word that identification is finished dealing with is outputed to display screen and shows.
In above-mentioned finger-impu system and hand input device, refer to sense of touch notice of invitation unit 4 when hand-written procedure identification unit 6 sends hand-written state trigger pip, also send and stop keyboard input state trigger pip to keyboard input block 2; When keyboard operation perception unit 1 sends triggering keyboard input state signal to keyboard input block 2, stop hand-written state trigger pip to handwriting tracks reception and display unit 7 transmissions; 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 keyboard entry method input, then to convert to and utilize handwriting pad to carry out manual input mode, can finish automatic switchover by hand input device, in carrying out the handwriting input process, to be converted to keyboard entry method, also can realize by finger-impu system, suppose in this portable terminal, the input method of acquiescence is: the keyboard spelling 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 keyboard input, load the keyboard spelling input method, below screen, open the interface of input method;
Step 102: utilize the combination of a plurality of buttons on the cell phone keyboard, press button on the lower keyboard, begin to carry out the Chinese character input, system receives the information of keyboard input, and input information recognized, makes up, generate possible options, the selected Chinese character output of confirming according to keyboard input information shows to touch-screen again;
For example: input " urging ", priority presses 2 keys and 8 key combinations are imported, system receives input information and carries out analyzing and processing, with possible phonetic elements combination " bu cu cun cuo cui " output, show that on touch-screen options button moves right, make the phonetic element choose " cu ", press the OK key, input information will be selected the result and send system to once more, system exports possible candidate according to selected result, on touch-screen, show, continue to utilize mobile options button, select " urging ", press the OK key, with selected result continue to send to system, system will select an output, show on touch-screen " urging ".
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 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 handwriting pad touches greater than taking off that timing determines.
Step 104: if in the handwriting input process, carry out keyboard operation, trigger the keyboard input, withdraw from the handwriting input mode automatically, switch to keyboard entry method, can continue to utilize the keyboard input.
In the present embodiment, touch-screen has been realized the function of handwriting pad and display screen simultaneously, also can divide in another embodiment to be arranged.
Claims (9)
1, the system of a kind of keyboard and hand-written collaborative input comprises stylus, handwriting pad, display screen, the finger-impu system that is connected with display screen and hand input device, it is characterized in that,
Described finger-impu system comprises further:
Keyboard operation perception unit is used to receive the button operation trigger pip;
The keyboard input block, be used to receive keyboard input state trigger pip after, under keyboard input service state, receive the input information of keyboard;
Processing unit is finished in the keyboard input, is used for the information of keyboard input is analyzed, handled, and the result is exported 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;
This system realizes the switching of input state automatically: when being in the keyboard input state, hand-written state recognition unit detects stylus and contacts with handwriting pad, produces hand-written state trigger pip, withdraws from the keyboard input operation, triggers hand-written state; When being in the handwriting input state, keyboard operation perception unit detects keyboard operation, produces keyboard input state trigger pip, withdraws from the handwriting input state, triggers the keyboard input state.
2, the system of a kind of 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.
3, the system of a kind of 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.
4, the system of a kind of keyboard as claimed in claim 3 and hand-written collaborative input is characterized in that, is provided with in the described finger sense of touch notice of invitation unit to be used to wait for that the finger that enters handwriting input state maximum duration touches timer; 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.
5, a kind of portable terminal with keyboard and hand-write synergic input function as claimed in claim 1 is characterized in that, described handwriting pad and display screen are touch-screen.
6, the method for a kind of 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) detect stylus and contact, withdraw from the keyboard input operation, trigger hand-written state with handwriting pad;
(b) in the handwriting input process, record handwriting input track is finished handwriting input, discerns output;
(c) detect keyboard operation, withdraw from the handwriting input state, trigger the keyboard input state;
(d) the keyboard operation is imported, and handles input information, output.
7, the method for a kind of keyboard as claimed in claim 6 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.
8, the method for a kind of keyboard as claimed in claim 7 and hand-written collaborative input is characterized in that, described stylus displacement is to calculate by calculating stylus position coordinates of starting point and terminal point on handwriting pad.
9, the method for a kind of keyboard as claimed in claim 6 and hand-written collaborative input, it is characterized in that, described finish handwriting input determine realize by following method: described stylus leaves the handwriting pad time and touches timing greater than taking off, and shows that then handwriting input finishes.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101354470A CN100444091C (en) | 2005-12-28 | 2005-12-28 | Keyboard and hand-write synergic input system and realization method thereof |
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| CNB2005101354470A CN100444091C (en) | 2005-12-28 | 2005-12-28 | Keyboard and hand-write synergic input system and realization method thereof |
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| CN102184074B (en) * | 2011-04-21 | 2013-01-02 | 安徽科大讯飞信息科技股份有限公司 | Keyboard, automatic hand input switching method and device and mobile terminal |
| CN116661635B (en) * | 2022-11-22 | 2024-04-05 | 荣耀终端有限公司 | Gesture processing method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1534543A (en) * | 2003-03-27 | 2004-10-06 | 刘二中 | Mobile telephone device possessing character input function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1534543A (en) * | 2003-03-27 | 2004-10-06 | 刘二中 | Mobile telephone device possessing character input function |
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