CN102693081A - Terminal and hand input trace concealing method for same - Google Patents

Terminal and hand input trace concealing method for same Download PDF

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Publication number
CN102693081A
CN102693081A CN2012101239720A CN201210123972A CN102693081A CN 102693081 A CN102693081 A CN 102693081A CN 2012101239720 A CN2012101239720 A CN 2012101239720A CN 201210123972 A CN201210123972 A CN 201210123972A CN 102693081 A CN102693081 A CN 102693081A
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China
Prior art keywords
user
track
handwriting input
hidden
unit
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Pending
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CN2012101239720A
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Chinese (zh)
Inventor
任文杰
常亮
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Beijing Samsung Telecommunications Technology Research Co Ltd, Samsung Electronics Co Ltd filed Critical Beijing Samsung Telecommunications Technology Research Co Ltd
Priority to CN2012101239720A priority Critical patent/CN102693081A/en
Publication of CN102693081A publication Critical patent/CN102693081A/en
Priority to CN201210368081.1A priority patent/CN102929531B/en
Pending legal-status Critical Current

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Abstract

The invention provides a hand input trace concealing method for a terminal. The hand input trace concealing method includes partially or completely concealing a hand input trace of a user on a display screen according to set concealing modes. The concealing modes include a complete concealing mode, a partial area concealing mode or a partial trace concealing mode. The invention also provides the terminal which comprises a setting unit, a detecting unit and a displaying unit. By the terminal and the hand input trace concealing method for the same, hand input safety of the user can be increased.

Description

A kind of terminal and handwriting input track hidden method thereof
Technical field
The present invention relates to the writing technology at terminal, particularly a kind of terminal and handwriting input track hidden method thereof.
Background technology
At present, along with the tangibly electric terminal of giant-screen is more and more universal, the touch screen hand-writing input substitutes traditional keyboard just gradually becomes a kind of safer input mode more efficiently, and it has all obtained application in a lot of fields.For example: popular just gradually mobile phone signature release, pattern release, handwritten signature during Credit Card Payments or the like.The more important thing is that handwriting input is being applied to every field as a kind of input mode that can comprise personal biometric,, becoming the additional and substitute of conventional security safeguard measures such as password because of its unique security speciality.
The application of handwriting input at present is a lot, comprises mobile phone signature release, pattern release, hand-writing input method, hand-written scribble and credit card electronic signature etc.
Wherein, The mobile phone signature release is a kind of mobile phone release mode of developing of just having begun at present; Under the locked situation of mobile phone screen, whether conform to come the release mobile phone screen with signature that prestores or symbol through judges finger or the sliding trace of writing pencil on touch-screen.This mode fast but also safety, will be one of following most popular mobile phone release mode not only.
The release of mobile phone pattern is the screen release mode of widespread use on the present mobile phone, and this mode is to streak on the several points that pre-set with finger or writing pencil, calculates it then and streaks a little sequencing as the authentication password of release.
Hand-writing input method is present modal cellphone inputting method, imports Chinese character, English and symbol through the identification and the coupling of the finger or the sliding trace of writing pencil.It is being sent short messages, management document, and online, chat is used by frequent during a mail etc. are used.
Hand-written scribble is through selecting the line color thickness, and with pointing or writing pencil is directly scribbled arbitrarily on screen, scribbling content can be picture, literal, and symbol or lines arbitrarily, What You See Is What You Get, convenient and practical.
Credit card electronic signature: when client uses credit card purchase, need on the list of swiping the card, sign; Have some electronic signature input equipments to replace traditional mode at present, client can accomplish the proof procedure after swiping the card through finger or writing pencil at input signature on the touch-screen.
More and more big and function is more powerful along with the size of touch-screen, the mode of handwriting input becomes and is simple and easy to usefulness more, has received liking of users.The user can operate all functions or write literal arbitrarily through the slip of finger or writing pencil in input process, and picture or symbol, What You See Is What You Get are the sharpest edges of handwriting input.
But but exist potential risks in this specific character of some occasion, in the for example mobile phone signature release of some sensitive informations of input, the pattern release, password, individual privacy, there is the risk by other people steal in identification card number during sensitive informations such as Bank Account Number.In this case, a kind of method of user's input information safety of can protecting just seems very important.
Summary of the invention
The invention provides a kind of terminal and handwriting input track hidden method thereof, can the track of handwriting input be hidden, thus the security that improves user's input information.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of handwriting input track hidden method of terminal comprises:
According to the Stealth Modus that is provided with, on display screen top or the track of Hide All user handwriting input; Said Stealth Modus comprise fully hide, the subregion hides or the part track is hidden.
Preferably, when the Stealth Modus that is provided with when hiding fully, said on display screen top or the track of Hide All user handwriting input be:
When detecting the track of user's handwriting input, never call the painted screen operation.
Preferably, when the Stealth Modus that is provided with is subregion when hiding, said on display screen top or the track of Hide All user handwriting input be:
Preserve the hidden area that the user is provided with;
When in said hidden area, detecting the track of user's handwriting input or refreshing displaying contents, in hidden area, show preset picture material.
Preferably, when the Stealth Modus that is provided with is hidden for the part track, said on display screen top or the mode of Hide All user handwriting input track be:
A, when detecting the starting to write of user's handwriting input at every turn, start preset timer;
B, when the timing of said timer then; The track of user's handwriting input in said timing is hidden, and restarted said timer, return step b; Up to detect user's handwriting input lift pen operation till, and the track of hiding user's finishing touch and cancellation timer.
Preferably, said track with user's handwriting input in said timing is hidden and is: with the picture material before the said input of covering on the track of user's handwriting input in said timing.
Preferably, the Stealth Modus of said setting is the public setting that all handwriting inputs of control terminal are used;
And/or, the privately owned setting that the Stealth Modus of said setting specifies handwriting input to use for control.
Preferably, when having public setting and privately owned the setting simultaneously, use for the privately owned appointment handwriting input that correspondence is set, the priority of privately owned setting is higher than public setting.
Preferably, said public setting comprises hiding fully hiding with the subregion.
A kind of terminal comprises unit, detecting unit and display unit are set;
The said unit that is provided with is used for being provided with and preserves Stealth Modus, said Stealth Modus comprise fully hide, the subregion hides or the part track is hidden;
Said detecting unit is used to detect the track of user's handwriting input, and notifies display unit;
Said display unit is used for according to said the Stealth Modus that the unit is preserved being set, after receiving the notice of said detecting unit, on display screen top or the track of Hide All user handwriting input.
Preferably, when the said Stealth Modus preserved the unit of being provided with when hiding fully, said display unit is further used for after receiving the notice of said detecting unit, never calls painted screen and operates.
Preferably, said terminal further comprises the hidden area setup unit, is used to preserve the hidden area that the user delimit on display screen;
When the said Stealth Modus of preserving the unit that is provided with is that the subregion is when hiding; Said display unit; Be further used in the notice that receives said detecting unit or after refreshing displaying contents, in the hidden area that said hidden area setup unit is preserved, show preset picture material.
Preferably, said terminal further comprises timer;
Said detecting unit is further used for detecting starting to write and lifting the pen operation of user's handwriting input, and notifies said display unit;
When the said Stealth Modus that the unit preservation is set is hidden for the part track; Said display unit is further used for starting said timer receive the notice or after timer time arrives of starting to write of said detecting unit at every turn; And then at each timing; The track of user's handwriting input in said timing is hidden, up to receive said detecting unit lift the pen notice till, and the track of hiding user's finishing touch and cancellation timer.
Visible by technique scheme, among the present invention, according to the Stealth Modus that is provided with, on display screen top or the track of Hide All user handwriting input.Like this, can improve the security of user's input information.
Description of drawings
Fig. 1 be for delimiting the operating process synoptic diagram of hidden area;
Fig. 2 delimit the synoptic diagram of hidden area for manual mode;
Fig. 3 is the exemplary plot of the subregion Stealth Modus in the signature release application;
Fig. 4 is the exemplary plot of subregion Stealth Modus in the pattern release application;
Fig. 5 is the exemplary plot of subregion Stealth Modus during bitcoms such as note, mail, Mobile banking, mobile-phone payment treasured are used;
The exemplary plot that Fig. 6 (a) and Fig. 6 (b) hide for the part track;
Fig. 7 is the concrete structure synoptic diagram at terminal among the present invention.
Embodiment
For making the object of the invention, technological means and advantage clearer, the present invention is explained further details below in conjunction with accompanying drawing.
Comprise two parts content in the preferred handwriting input track of the present invention hidden method: part and display part are set.At first carry out the setting of Stealth Modus,, utilize the display part to carry out hiding of user's input trajectory then according to the Stealth Modus that is provided with through part is set.Introduce concrete realization below respectively.
1. part is set
Divide from concealment effect, the Stealth Modus of setting can comprise fully hide, the subregion hides or the part track is hidden.Wherein, under the Stealth Modus, the terminal is through the track of all handwriting inputs of operation shield user of display part fully; Under the Stealth Modus of subregion, the hidden area that the user delimit through display screen is preserved at the terminal, just shields demonstration (detailed process is described in the display part) in the time of in user's contact moves to the zone; Under the part track Stealth Modus,, disappear immediately after a while when user's writing pencil streaks the track of demonstration in a flash of screen.
Divide from the scope of application that is provided with; Setting is divided into two types generally, and a kind of is to be used for the public setting that all handwriting inputs of control terminal are used, and a kind of is to be used for the privately owned setting that the specific handwriting input of control terminal is used; On the priority that is provided with, privately owned setting is higher than public setting.Wherein, public setting and privately owned is provided with and all can be set in above-mentioned " hiding fully ", " subregion hides ", " the part track is hidden " any one as required.Provide the example of a kind of public setting and privately owned setting below.
(1) public setting
The Stealth Modus of public setting can comprise " hiding fully " and " the part track is hidden ", is used for the application of all handwriting inputs on the control terminal.
(2) privately owned setting
For such as the signature release, the pattern release, note, mail, Mobile banking, the mobile-phone payment treasured waits some handwriting inputs to use, and can carry out privately owned setting.
(a) signature release, the pattern release
Because the singularity of signature release and pattern release, it privately ownedly is provided with the option that can comprise " the part track is hiding " usually, thereby improves the security and the accuracy of input information better.
(b) note, mail, Mobile banking, mobile-phone payment treasured etc.
The setting of this type special applications equally provides two kinds of Stealth Modus promptly with public the setting: hiding fully, the subregion hides.
2. display part
In the display part, according to the Stealth Modus of aforementioned setting, the track to handwriting input on display screen carries out partly or entirely hiding.For different Stealth Modus, it is also different to carry out the concrete processing mode that track hides, and describes respectively below.
A. complete Stealth Modus:
Under this mode, the handwriting input track of Any user can not call the painted screen operation, promptly; When detecting the track of user's handwriting input; Never call the painted screen operation, in whole user's input process, just can on screen, not show the track of handwriting input like this.
But for the part that user input content is exported, the input content will normally show.For example, in short message application, the font track of user's handwriting input can not show, but the part of output character content after the content of input is read at the terminal, still can normally show the word content of input.
B. subregion Stealth Modus:
Under this mode, the terminal can point out the user to delimit hidden area, and the hidden area that the user is provided with is extracted and preserves at the terminal.Perhaps, hidden area also can be that default configuration is in the terminal.When the track that in hidden area, detects user's handwriting input or when refreshing displaying contents, in hidden area, show preset picture material.Wherein, the images displayed content can be black cloth, calico or any preset image content in hidden area, and the application interface that utilizes this preset picture material to cover hidden area shows.The hidden area of delimiting can be in the handwriting input zone, also can cover the arbitrary portion at current application interface, and for example in the short message application, hidden area can cover the output interface of short message content, thereby improves the security of short message content, the protection customer privacy.
The concrete operation of delimiting hidden area can realize through flow process shown in Figure 1:
101: start an application that needs handwriting input.
102: discovery needs to hide input, gets into the Stealth Modus interface is set, and selects the subregion to hide.
103: system withdraws from the interface that Stealth Modus is set automatically, gets back to application interface, and hidden area delimited in prompting.
104: the user delimit hidden area, and judge whether delimitation is successful.
Delimit the mode that hidden area can be as shown in Figure 2 and directly delimit, also can pass through other modes, for example the ground modes such as frontier point coordinate of input area through being handwritten on the display screen.As long as can clearly determine a zone of display screen.
105: on screen, show hidden area, this hidden area is with the demonstration of using the interface in the complete overlay area.
106: if the user selects to withdraw from the interface of delimiting hidden area, system gets back to the interface of current application automatically.
Provide the schematic representations that the some parts zone hides below.
Fig. 3 is the subregion Stealth Modus example in the signature release application.When through the signature unlock screen, the part in the dashed region can not show the track of handwriting input, has therefore protected the security of signature release.
Fig. 4 is the example of subregion Stealth Modus in the pattern release application.When through the pattern unlock screen, the part in the dashed region can not show the track of handwriting input, thereby has protected the part detailed information of release.
Fig. 5 is the example of subregion Stealth Modus during bitcoms such as note, mail, Mobile banking, mobile-phone payment treasured are used.In create message, if be provided with hidden area (dashed region), the short message content of having imported can be covered by hidden area fully, and content can't show, thereby has protected the privacy of personal information.The regional affirmation short message content if want after having write to unhide, the startup input is hidden setting and is cancelled and can recover once more.
C. part track Stealth Modus:
Under this Stealth Modus, carry out the hiding concrete processing of input trajectory and comprise:
A, when detecting the starting to write of user's handwriting input, start preset timer;
B, when the timing of the timer that is provided with then; The track of user's handwriting input in timing is hidden, and restarted this timer, return step b; The pen of lifting up to detecting user's handwriting input is operated, and hides the track and the cancellation timer of user's finishing touch.When detecting the starting to write of user's handwriting input, return step a more next time.
Wherein, at timing then, the mode of hiding track can be the picture material that on the track of handwriting input, covers before importing.
The timing of timer can be provided with according to actual needs, if higher to the familiarity of input content, the weak point that can timing be provided with some, the input trajectory ratio that can disappear is very fast like this, the security that helps improving input information; If the familiarity to the input content is lower, can with timing be provided with longer, the input trajectory disappearance is slow like this, helps improving the accuracy of input information.
Provide a simple instance.Shown in Fig. 6 (a) and Fig. 6 (b), dotted line is represented once to show but the track that after streak the contact, disappears immediately again, the current track that is showing of solid line tabular form.Adopt this kind mode, can only see the input track of moment, can't show the track overall picture.
As above, be the idiographic flow of the handwriting input track hidden method among the present invention.
The present invention also provides a kind of user terminal, can be used in the hidden method of implementing the invention described above.Fig. 7 is the concrete structure synoptic diagram at terminal among the present invention.As shown in Figure 7, this terminal comprises: unit, detecting unit and display unit are set.
The unit is set, is used for being provided with and preserves Stealth Modus, comprise fully hide, the subregion hides or the part track is hidden; Detecting unit is used to detect the track of user's handwriting input, and notifies display unit; Display unit is used for according to the Stealth Modus that the unit is preserved is set, after receiving the notice of detecting unit, on display screen top or the track of Hide All user handwriting input.
Wherein, when the Stealth Modus preserved the unit being set when hiding fully, display unit is further used for after receiving the notice of detecting unit, never calls painted screen and operates.
Be the function that the implementation part zone hides, the terminal may further include the hidden area setup unit, is used to preserve the hidden area that the user delimit; When the Stealth Modus of preserving the unit is set is subregion when hiding, and display unit is further used in the notice that receives detecting unit or after refreshing displaying contents, in the hidden area that the hidden area setup unit is preserved, shows preset picture material.
Be the function that the implementation part track is hidden, the terminal can further include timer; Detecting unit is further used for detecting starting to write of user's handwriting input and lifts pen, and the notice display unit; When the Stealth Modus that the unit preservation is set is hidden for the part track; Display unit is further used for receiving the notice or after timer time arrives of starting to write of detecting unit at every turn; Start timer, and at each timing then, the track of user's handwriting input in timing is hidden; Up to receive detecting unit lift pen notice till, and the track of hiding user's finishing touch and cancellation timer.
Through the terminal of the invention described above and the hidden method of handwriting input track thereof, can take different Stealth Modus according to user's request, carry out hiding of user's handwriting input track, thus the security that improves user input content.For example, during the signature release, be set to complete Stealth Modus, person's handwriting is not presented on the screen in the releasing process, but because user's skilled operation, the release success ratio is also uninfluenced; During the pattern release, be set to complete Stealth Modus, the track that streak the contact in the releasing process is not presented on the screen, has protected the information of release; The user sends short messages on crowded subway, and the consideration from the protection privacy is provided with the subregion Stealth Modus; Delimit hidden area on the short message content display box; All the elements that the user imported are so all blocked and can't be shown by hidden area, after having imported, and user's setting that unhides; Short message content shows again, sends after the affirmation.
As stated, can carry out hiding of relative users handwriting input track according to the Stealth Modus of user's selection.More simply, can not comprise part is set, only comprise above-mentioned display part.In this case, not for the user provides different Stealth Modus, but directly carry out hiding of user's handwriting input track according to certain Stealth Modus of confirming.Stealth Modus still can comprise fully hide, the subregion hides and the part track is hidden.For example, can different application-specific be specified according to fixing Stealth Modus and carried out hiding of user's input trajectory.
Particularly, when the hiding processing of carrying out user's input trajectory, hidden method can for: directly when detecting the track of user's handwriting input, never call the painted screen operation, thereby realize hiding fully.
Relevant terminal only comprises detecting unit and display unit.Wherein, detecting unit is used to detect the track of user's handwriting input, and notifies display unit; Display unit is used for after receiving the notice of detecting unit, never calls the painted screen operation.
Perhaps, when the hiding processing of carrying out user's input trajectory, hidden method can for: preserve preset hidden area; When the track that in hidden area, detects user's handwriting input or when refreshing displaying contents, in hidden area, show preset picture material.
Relevant terminal comprises hidden area setup unit, detecting unit and display unit.Wherein, the hidden area setup unit is used to preserve the hidden area of on display screen, delimiting in advance; Detecting unit is used to detect the track of user's handwriting input, and notifies display unit; Display unit is used in the notice that receives detecting unit or after refreshing displaying contents, in the hidden area that the hidden area setup unit is preserved, shows preset picture material.
Perhaps, when the hiding processing of carrying out user's input trajectory, hidden method can also comprise:
A, when detecting the starting to write of user's handwriting input at every turn, start preset timer;
B, when the timing of said timer then; The track of user's handwriting input in said timing is hidden, and restarted said timer, return step b; Up to detect user's handwriting input lift pen operation till, and the track of hiding user's finishing touch and cancellation timer.
Relevant terminal comprises timer, detecting unit and display unit.Wherein, detecting unit is used to detect starting to write and lifting the pen operation of user's handwriting input, and the notice display unit; Display unit; Be used for receiving the notice or after timer time arrives of starting to write of said detecting unit at every turn; Start timer, and at each timing then, the track of user's handwriting input in timing is hidden; Up to receive detecting unit lift pen notice till, and the track of hiding user's finishing touch and cancellation timer.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.

Claims (19)

1. the handwriting input track hidden method at a terminal is characterized in that this method comprises:
According to the Stealth Modus that is provided with, on display screen top or the track of Hide All user handwriting input; Said Stealth Modus comprise fully hide, the subregion hides or the part track is hidden.
2. method according to claim 1 is characterized in that, when the Stealth Modus that is provided with when hiding fully, said on display screen top or the track of Hide All user handwriting input be:
When detecting the track of user's handwriting input, never call the painted screen operation.
3. method according to claim 1 is characterized in that, when the Stealth Modus that is provided with is subregion when hiding, said on display screen top or the track of Hide All user handwriting input be:
Preserve the hidden area that the user is provided with;
When in said hidden area, detecting the track of user's handwriting input or refreshing displaying contents, in hidden area, show preset picture material.
4. method according to claim 1 is characterized in that, when the Stealth Modus that is provided with is hidden for the part track, said on display screen top or the mode of Hide All user handwriting input track be:
A, when detecting the starting to write of user's handwriting input at every turn, start preset timer;
B, when the timing of said timer then; The track of user's handwriting input in said timing is hidden, and restarted said timer, return step b; Up to detect user's handwriting input lift pen operation till, and the track of hiding user's finishing touch and cancellation timer.
5. method according to claim 4 is characterized in that, said track with user's handwriting input in said timing is hidden and is: with the picture material before the said input of covering on the track of user's handwriting input in said timing.
6. according to arbitrary described method in the claim 1 to 5, it is characterized in that the Stealth Modus of said setting is the public setting that all handwriting inputs of control terminal are used;
And/or, the privately owned setting that the Stealth Modus of said setting specifies handwriting input to use for control.
7. method according to claim 6 is characterized in that, when having public setting and privately owned the setting simultaneously, uses for the privately owned appointment handwriting input that correspondence is set, and the priority of privately owned setting is higher than public setting.
8. method according to claim 6 is characterized in that, said public setting comprises hiding fully with the subregion hides.
9. a terminal is characterized in that, this terminal comprises unit, detecting unit and display unit are set;
The said unit that is provided with is used for being provided with and preserves Stealth Modus, said Stealth Modus comprise fully hide, the subregion hides or the part track is hidden;
Said detecting unit is used to detect the track of user's handwriting input, and notifies display unit;
Said display unit is used for according to said the Stealth Modus that the unit is preserved being set, after receiving the notice of said detecting unit, on display screen top or the track of Hide All user handwriting input.
10. terminal according to claim 9 is characterized in that, when the said Stealth Modus preserved the unit of being provided with when hiding fully, said display unit is further used for after receiving the notice of said detecting unit, never calls painted screen and operates.
11. terminal according to claim 9 is characterized in that, said terminal further comprises the hidden area setup unit, is used to preserve the hidden area that the user delimit on display screen;
When the said Stealth Modus of preserving the unit that is provided with is that the subregion is when hiding; Said display unit; Be further used in the notice that receives said detecting unit or after refreshing displaying contents, in the hidden area that said hidden area setup unit is preserved, show preset picture material.
12. terminal according to claim 9 is characterized in that, said terminal further comprises timer;
Said detecting unit is further used for detecting starting to write and lifting the pen operation of user's handwriting input, and notifies said display unit;
When the said Stealth Modus that the unit preservation is set is hidden for the part track; Said display unit is further used for starting said timer receive the notice or after timer time arrives of starting to write of said detecting unit at every turn; And then at each timing; The track of user's handwriting input in said timing is hidden, up to receive said detecting unit lift the pen notice till, and the track of hiding user's finishing touch and cancellation timer.
13. the handwriting input track hidden method at a terminal is characterized in that this method comprises: when detecting the track of user's handwriting input, never call the painted screen operation.
14. a terminal is characterized in that this terminal comprises detecting unit and display unit;
Said detecting unit is used to detect the track of user's handwriting input, and notifies display unit;
Said display unit is used for after receiving the notice of said detecting unit, never calls the painted screen operation.
15. the handwriting input track hidden method at a terminal is characterized in that this method comprises:
Preserve preset hidden area;
When in said hidden area, detecting the track of user's handwriting input or refreshing displaying contents, in hidden area, show preset picture material.
16. a terminal is characterized in that this terminal comprises hidden area setup unit, detecting unit and display unit;
Said hidden area setup unit is used to preserve the hidden area of on display screen, delimiting in advance;
Said detecting unit is used to detect the track of user's handwriting input, and notifies display unit;
Said display unit is used in the notice that receives said detecting unit or after refreshing displaying contents, in the hidden area that said hidden area setup unit is preserved, shows preset picture material.
17. the handwriting input track hidden method at a terminal is characterized in that this method comprises:
A, when detecting the starting to write of user's handwriting input at every turn, start preset timer;
B, when the timing of said timer then; The track of user's handwriting input in said timing is hidden, and restarted said timer, return step b; Up to detect user's handwriting input lift pen operation till, and the track of hiding user's finishing touch and cancellation timer.
18. method according to claim 17 is characterized in that, said track with user's handwriting input in said timing is hidden and is: with the picture material before the said input of covering on the track of user's handwriting input in said timing.
19. a terminal is characterized in that this terminal comprises timer, detecting unit and display unit;
Said detecting unit is used to detect starting to write and lifting the pen operation of user's handwriting input, and notifies said display unit;
Said display unit; Be used for receiving the notice or after timer time arrives of starting to write of said detecting unit at every turn; Start said timer, and at each timing then, the track of user's handwriting input in said timing is hidden; Up to receive said detecting unit lift pen notice till, and the track of hiding user's finishing touch and cancellation timer.
CN2012101239720A 2012-04-25 2012-04-25 Terminal and hand input trace concealing method for same Pending CN102693081A (en)

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CN103049097A (en) * 2012-12-17 2013-04-17 上海海知信息技术有限公司 Handwriting input method and highlighting display method thereof
CN103257828A (en) * 2013-05-30 2013-08-21 无锡久源软件科技有限公司 Graffiti type full screen sliding and unlocking method
CN103870154A (en) * 2014-02-10 2014-06-18 广东欧珀移动通信有限公司 Dialogue input and display device
CN103885623A (en) * 2012-12-24 2014-06-25 腾讯科技(深圳)有限公司 Mobile terminal, system and method for processing sliding event into editing gesture
CN104143063A (en) * 2014-07-04 2014-11-12 惠州Tcl移动通信有限公司 Unlocking method based on pattern screen locking and mobile terminal
CN104360812A (en) * 2014-10-30 2015-02-18 北京元心科技有限公司 Sliding unlocking method and device
CN105488482A (en) * 2015-12-04 2016-04-13 联想(北京)有限公司 Signature recognition method and device, and writer
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