CN104679401A - Terminal and touch method thereof - Google Patents
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- CN104679401A CN104679401A CN201310643576.5A CN201310643576A CN104679401A CN 104679401 A CN104679401 A CN 104679401A CN 201310643576 A CN201310643576 A CN 201310643576A CN 104679401 A CN104679401 A CN 104679401A
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Abstract
The invention relates to the technical field of electronics and discloses a terminal and a touch method thereof. The terminal comprises a fingerprint recognition key; the fingerprint recognition key is capable of operating the terminal to finish predefined tasks according to a distance at which a user's finger moves on the fingerprint recognition key. The touch method includes: periodically receiving fingerprint information of the user's finger on the fingerprint recognition key, and acquiring fingerprint features in the fingerprint information each time the fingerprint information of the user's finger is received; according to positional information of the fingerprint features acquired in the preset period, calculating displacements of the fingerprint features during the preset period which is longer than a receiving period of the fingerprint information; according to magnitudes and directions indicated by the displacements of the fingerprint features, controlling the terminal to finish the predefined tasks. The terminal and the touch method thereof are applied to finishing the predefined tasks via the fingerprint recognition key, such as functions of moving a cursor or an image in various directions, scrolling a screen, turning pages and turning on or off the terminal.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of touch control method of terminal and terminal.
Background technology
Home Jian Shi Apple propose the earliest and in terminal production and application, home key is the major function key of terminal.The function of home key comprises such as: press a home key, return to main interface or light screen, double-clicks home key, occurs running background program.
Fingerprint Identification Unit is applied in a lot of fields at present, such as notebook computer, may be used for the holder by unique this terminal of identification of the sensor in Fingerprint Identification Unit, namely this Fingerprint Identification Unit can only identify the fingerprint of the owner of this notebook computer, by the fingerprint of owner, notebook computer is unblanked to decipher, this Fingerprint Identification Unit of anyone fingerprint except owner is all None-identified, anyone like this except owner cannot unblank to decipher this notebook computer, therefore more this notebook computer cannot be used, therefore, this Fingerprint Identification Unit can play certain anti-theft feature.
Apple takes the lead in Fingerprint Identification Unit and home key to combine, realize the identification to apple terminal, increase its security, but, common page turning, roll screen, amplification picture or reduce picture etc. to be similar to mouse function be all realized by the touch-screen of terminal, this home key cannot realize page turning, roll screen, amplification picture or reduce the function that picture etc. is similar to mouse.Therefore, the function ratio of this home key is more single, powerful not.
Summary of the invention
The object of the present invention is to provide a kind of touch control method and terminal of terminal, the movement of cursor or image on control terminal display screen and the gesture function such as switching, roll screen of the page can be come according to the distance of user's finger movement on fingerprint recognition key and direction, thus extend the touch controllable function of home key.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of touch control method of terminal, are applied to the terminal of fingerprint recognition key, comprise the following steps:
S1, periodically receiving the finger print information of the user's finger on described fingerprint recognition key, when receiving the finger print information of described user finger each time, gathering the fingerprint characteristic in described finger print information;
The positional information of the described fingerprint characteristic that S2, basis get in Preset Time, calculate the displacement of described fingerprint characteristic in described Preset Time, described Preset Time is greater than the receiving cycle duration of described finger print information;
S3, the size and Orientation indicated according to the displacement of described fingerprint characteristic, control terminal completes predefined task.
Embodiments of the present invention additionally provide a kind of terminal, and described terminal comprises fingerprint recognition key, and described terminal also comprises:
Sensing unit, for responding to the finger print information of the user's finger on described fingerprint recognition key;
Processing unit, for periodically being received the finger print information of described user finger by described sensing unit, when receiving the finger print information of described user finger each time, gathers the fingerprint characteristic in described finger print information;
Computing unit, for the positional information according to the described fingerprint characteristic got in Preset Time, calculate the displacement of described fingerprint characteristic in described Preset Time, described Preset Time is greater than the receiving cycle duration of described finger print information;
Control module, for the size and Orientation indicated according to the displacement of described fingerprint characteristic, control terminal completes predefined task.
Embodiment of the present invention in terms of existing technologies, the finger print information of the user's finger on the described fingerprint recognition key of periodic reception, and when receiving the finger print information of described user finger each time, detect the fingerprint characteristic in described finger print information, and obtain the positional information of described fingerprint characteristic, according to the displacement of positional information calculation described fingerprint characteristic in described Preset Time of fingerprint characteristic described in Preset Time; The last size and Orientation indicated according to the displacement of described fingerprint characteristic, control terminal completes predefined task.Thus make user pass through to touch fingerprint recognition key just can the movement of cursor and image on control terminal, the function making fingerprint recognition bond energy complete mouse and display screen to complete, extends the function of fingerprint recognition key.
In addition, when described fingerprint recognition key is pressed and the duration pressed is less than the first preset duration, described control module performs the operation that the content corresponding to cursor place on the display screen of described terminal is clicked; When described fingerprint recognition key is pressed and the duration pressed is greater than the second preset duration, described control module performs the operation of shutdown or start to described terminal; Wherein, described first preset duration is less than described second preset duration.
By pressing fingerprint recognition key, thus the operation that the execution content corresponding to cursor place on the display screen of terminal is clicked, realize the click function that fingerprint recognition key is similar to mouse; Or press fingerprint recognition key by long, thus perform the operation to starting up of terminal or shutdown, realize utilizing fingerprint recognition key to carry out the function of startup and shutdown.
In addition, after described S3, described method is further comprising the steps of: S4, the size displacement of fingerprint characteristic described in described Preset Time indicated, compare with the first predeterminable range and the second predeterminable range respectively; S5, when the size that the displacement of fingerprint characteristic described in described Preset Time indicates is less than described first predeterminable range, reduce the frequency acquisition of N number of fingerprint characteristic of described user finger, when the size that the displacement of fingerprint characteristic described in described Preset Time indicates is greater than described second predeterminable range, increase the frequency acquisition of N number of fingerprint characteristic of described user finger; Wherein, described first predeterminable range is less than described second predeterminable range.
By comparing the displacement of fingerprint characteristic and the size of predeterminable range in Preset Time, thus the frequency acquisition of suitable adjustment fingerprint characteristic, namely when user points mobile very fast, strengthen the frequency acquisition of fingerprint characteristic, when user points mobile slower, reduce the frequency acquisition of fingerprint characteristic.Make the positional information of the fingerprint characteristic detected can react moving direction and the size of user's finger more accurately.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the touch control method of the terminal of first embodiment of the invention;
Fig. 2 is the schematic diagram of displaying contents on terminal display screen before user's finger touch to fingerprint recognition key;
Fig. 3 is the schematic diagram that user completes displaying contents on terminal display screen when touch action leaves fingerprint recognition key;
Fig. 4 is the schematic flow sheet of the touch control method of the terminal of third embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in each embodiment of the present invention, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following embodiment and adjustment, each claim of the application technical scheme required for protection also can be realized.
First embodiment of the invention provides a kind of touch control method of terminal, is applied to the terminal of fingerprint recognition key, and as shown in Figure 1, the touch control method of this terminal comprises the following steps:
Step 101, judge whether fingerprint recognition key senses the finger print information that user points.
Fingerprint recognition key can be the button comprising Fingerprint Identification Unit.User's finger touch fingerprint recognition key comprises user's finger and there occurs real physical contact with fingerprint recognition key, or for highly sensitive Fingerprint Identification Unit, when pointing with the distance of fingerprint recognition key in certain scope, example, when finger is close to such as 2mm(millimeter) within do not touch fingerprint recognition key, the processor of terminal also can sense that user points.This determination methods is prior art, and therefore not to repeat here in the present invention.
When judging that obtaining fingerprint recognition key senses the finger print information that user points, perform step 102, otherwise, proceed to judge.
In addition, after sensing user's finger touch fingerprint recognition key, the current content place of consulting of user can show the mark of a cursor or staff on a display screen, provides a reference to rear terminal according to the content that the fingerprint characteristic moving display screen of user shows.
Step 102, periodically receiving the finger print information of the user's finger on fingerprint recognition key, when receiving the finger print information of user's finger each time, gathering the fingerprint characteristic in finger print information.
When there is touch action in user's finger on fingerprint recognition key, fingerprint recognition key can be recorded in the whole process of touch action by Fingerprint Identification Unit, and user's finger is from touching fingerprint recognition key until the finger print information that when leaving fingerprint recognition key behind mobile certain Distance geometry direction, user points.According to fingerprint motion track can characterizing consumer finger motion track feature, the motion track that the fingerprint characteristic in finger print information is pointed to analyze user can be gathered, example, fingerprint characteristic can be N number of fingerprint feature point of user's finger print, utilizes the N number of fingerprint feature point in user's finger print to carry out the motion track of recording user finger.Example, N can be 1 or 2.Constantly gather the N number of fingerprint feature point in finger print information according to certain frequency acquisition, and obtain the positional information of N number of fingerprint feature point, example, positional information can be the coordinate at N number of fingerprint feature point place.Frequency acquisition can be 100 times/s(second).
It should be noted that; fingerprint characteristic is not limited to fingerprint feature point; example; it can also be fingerprint image etc.; by direct comparison fingerprint image, obtain the positional information of fingerprint characteristic, present embodiment merely illustrates and can gather user and point fingerprint characteristic to obtain displacement and the size of fingerprint characteristic in Preset Time; any amendment that those skilled in the art makes on the basis of disclosure of the present invention or replacement, all should be included in protection scope of the present invention.
The positional information of the fingerprint characteristic that step 103, basis get in Preset Time, calculate the displacement of fingerprint characteristic in Preset Time, Preset Time is greater than the receiving cycle duration of finger print information.
Particularly, motion estimation algorithm can be utilized according to the displacement of the positional information calculation of the fingerprint characteristic got fingerprint characteristic in Preset Time.
Such as Preset Time can be 0.5 second, frequency acquisition is 100 times/s(second), then will get the positional information of 50 N number of fingerprint characteristics in Preset Time.The positional information of N number of fingerprint characteristic that motion estimation algorithm can be utilized to get for 50 times according to this, calculates the displacement of fingerprint characteristic in 0.5 second.Wherein, motion estimation algorithm is prior art, and therefore not to repeat here in the present invention.
Step 104, the size and Orientation indicated according to the displacement of fingerprint characteristic, control terminal completes predefined task.
And the size and Orientation of the displacement instruction of the fingerprint characteristic calculated according to step 103, distance that user fingerprints slides in whole touch action and direction can be obtained.Therefore, in this step, can computer program compilation be passed through, the distance that user fingerprints is slided and direction with in mouse function on move, move down, move to left, moving to right is mapped, come content corresponding to cursor place on the display screen of control terminal on move, move down, move to left, move to right.It should be noted that, during the direction left side of the displacement of fingerprint characteristic, indicate the content at the cursor place that current display screen display interface shows to move to right, time on the right of the direction of the displacement of fingerprint characteristic, indicate the content at the cursor place that current display screen display interface shows to move to left.
Especially, when the content shown in display interface on the display screen of terminal is picture, according to the size and Orientation that the displacement of fingerprint characteristic indicates, move, move down, move to left and move to right on not only can carrying out picture, can also picture be zoomed in or out.Certainly, it will be appreciated by those skilled in the art that, predefined task also can be not only carrying out mentioned in present embodiment moves, moves down, moves to left and move to right, the amplification of picture, the task such as to reduce, and also can be any predefine task of sliding based on gesture, not enumerate at this.
Example, when the content of the display screen display of terminal is picture, step 102 collects N number of fingerprint feature point, this N number of fingerprint feature point can be the fingerprint feature point of one or more user finger, step 103 calculates the displacement information of this N number of fingerprint feature point according to this N number of fingerprint feature point, suppose the information indicating user of this N number of fingerprint feature point multiple finger movement directions be identical direction, then can judge that obtaining user wants that the operation performed is operation picture being carried out movement, at step 104, the size and Orientation that just can indicate according to the displacement of this N number of fingerprint feature point, this picture is moved, move down, move to left or move to right.
Another example, when the content of the display screen display of terminal is picture, step 102 collects N number of fingerprint feature point, this N number of fingerprint feature point can be the fingerprint feature point of two or more user finger, step 103 calculates the displacement information of this N number of fingerprint feature point according to this N number of fingerprint feature point, the directions supposing multiple finger movement of the information indicating user of this N number of fingerprint feature point are two relative directions, then can judge that obtaining user wants that the operation performed is the operation zoomed in or out by picture, at step 104, the size and Orientation that just can indicate according to the displacement of this N number of fingerprint feature point, zoom in or out this picture.
Especially, when the size of picture display exceedes the display interface of display screen, when user wishes to see the Picture section be not presented in the display interface of display screen, can repeated execution of steps 101 to step 104, reach the object reading picture full content.Example, when user wishes to see the part on the right not being presented at the picture on the display interface of display screen up till now, user's finger can carry out shift left operation on fingerprint recognition key, then by after the operation of step 101, step 102, step 103 and step 104, just can judge that the displacement indicated direction obtaining user fingerprints unique point is as left, terminal just can respond this operation of user, picture is moved to the left by current display interface, thus demonstrates the part on the right of picture.In like manner, other parts of picture can be demonstrated.
Move or move down on the displacement indicated direction of fingerprint characteristic is, and when the size that the displacement of fingerprint characteristic indicates is greater than the 3rd predeterminable range, can think that user wishes to perform the action of roll screen, 3rd predeterminable range can be arranged with reference to the experimental data in reality, and this is not restricted in the present invention.Step 104 specifically comprises: with the cursor on the display screen of terminal for starting point, the content shown in the display screen according to the displacement indicated direction rolling terminal of fingerprint characteristic, thus is realized the function of roll screen by fingerprint recognition key.
When the displacement indicated direction of fingerprint characteristic is for moving to left or moving to right, and when the size that the displacement of fingerprint characteristic indicates is greater than the 4th predeterminable range, can think that user wishes to perform the action of page turning, 4th predeterminable range can be arranged with reference to the experimental data in reality, and this is not restricted in the present invention.Step 104 specifically comprises: using the page on the display screen of terminal as current page, stirs the page in the display screen of terminal according to fingerprint characteristic indicated direction, thus realizes the function of page turning by fingerprint recognition key.
Terminal can be: smart mobile phone, panel computer, MP4 player, vehicle-mounted computer.
As shown in Figure 2, Fig. 2 is the schematic diagram of displaying contents on terminal display screen before user's finger touch to fingerprint recognition key, wherein, 20 is terminal, 201 represent terminal display screen, 202a represents the initial position of a representative flower in terminal display screen in terminal display screen present displayed content, and 203 represent fingerprint recognition key, and 204a is the position that user points when touching fingerprint recognition key first.
User completes the schematic diagram of displaying contents on terminal display screen when touch action leaves fingerprint recognition key as shown in Figure 3, wherein, 20, 201 and 203 is consistent with the content represented in Fig. 2, 204b represents that user has pointed position when touch action prepares to exit fingerprint recognition key, after 202b represents that terminal is passed through to calculate, position after spending in terminal display screen is mobile according to the size of the displacement of user fingerprints feature and direction, in figure, the direction indication of arrow is the moving direction that user points, this direction indicates the direction of the displaying contents movement in terminal display screen, namely move to right.In actual applications, the direction of position movement of representative flower is that point the direction of movement with user consistent, and the distance of representative movement can calculate according to certain proportionate relationship.
Embodiment of the present invention in terms of existing technologies, the finger print information of the user's finger on the described fingerprint recognition key of periodic reception, and when receiving the finger print information of user's finger each time, detect the fingerprint characteristic in finger print information, and obtain the positional information of fingerprint characteristic, according to the positional information of the fingerprint characteristic got in Preset Time, calculate the displacement of fingerprint characteristic in Preset Time, Preset Time is greater than the receiving cycle duration of finger print information; The last size and Orientation indicated according to the displacement of fingerprint characteristic, the movement of cursor or image on the display screen of control terminal.Thus make fingerprint recognition bond energy complete the moving up and down of image on display screen or the page, roll screen, page turning etc. to be similar to the function that mouse can complete, to extend the function of fingerprint recognition key.
Second embodiment of the present invention relates to a kind of touch control method of terminal.Second embodiment has done further improvement on the first embodiment basis, main improvements are: when fingerprint recognition key is pressed and the duration pressed is less than the first preset duration, and step 104 also performs the operation that content that on the display screen to terminal, cursor place is corresponding is clicked.Example, suppose that the first preset duration is 1s(second), when terminal detect user point to press on fingerprint recognition key and the duration pressed is less than the first preset duration time, terminal can judge the operation that user wishes to perform the content corresponding to cursor place on the display screen of terminal and clicks.Fingerprint recognition key press action can be similar to use mouse time, the action of clicking the mouse.In addition, when fingerprint recognition key is pressed and the duration pressed is greater than the second preset duration, terminal is performed to the operation of shutdown or start.Example, suppose that the second preset duration is 3s(second), when terminal detect user point to press on fingerprint recognition key and the duration pressed is greater than the second preset duration time, under terminal power-on state, can judge that user wishes to perform the operation to terminal closedown, under terminal power-off state, can judge that user wishes to perform the operation to starting up of terminal.Wherein, the first preset duration is less than the second preset duration.It should be noted that, in the power-offstate, fingerprint recognition key is also standby, and it can detect the operation that user starts shooting.
By pressing fingerprint recognition key, thus perform the operation clicked of the content corresponding to cursor place on the display screen of terminal, what realize that fingerprint recognition key is similar to mouse hits function; Or press fingerprint recognition key by long, thus perform the operation to starting up of terminal or shutdown, realize utilizing fingerprint recognition key to carry out the function of startup and shutdown.
3rd embodiment of the present invention relates to a kind of touch control method of terminal.3rd embodiment has done further improvement on the first embodiment basis, and as shown in Figure 4, main improvements are: after step 104, also perform following steps:
Step 105, the size displacement of fingerprint characteristic in Preset Time indicated, compare with the first predeterminable range and the second predeterminable range respectively.
Step 106, when the size that the displacement of fingerprint characteristic in Preset Time indicates is less than the first predeterminable range, reduce the frequency acquisition of N number of fingerprint characteristic of user's finger, when the size that the displacement of fingerprint characteristic in Preset Time indicates is greater than the second predeterminable range, increase the frequency acquisition of N number of fingerprint characteristic of user's finger.
Wherein, the first predeterminable range is less than the second predeterminable range.
Step 105 specifically comprises: pre-set M frequency acquisition, M frequency acquisition comprises the first frequency acquisition to M frequency acquisition, first frequency acquisition increases successively to M frequency acquisition, if current time frequency acquisition is L frequency acquisition, M be more than or equal to 2 integer, L is the integer being less than M.
When the size that the displacement of fingerprint characteristic indicates is less than the first predeterminable range, the frequency acquisition of current time is adjusted to (L-1) frequency acquisition from L frequency acquisition.Namely, when the size of displacement instruction fingerprint characteristic being detected is less relative to the first predeterminable range, can think that user points the speed of sliding on fingerprint recognition key comparatively slow, so, the frequency acquisition of the positional information of reduction fingerprint characteristic that can be suitable.
When the size that the displacement of fingerprint characteristic indicates is greater than the second predeterminable range, the frequency acquisition of current time is adjusted to (L+1) frequency acquisition from L frequency acquisition.Namely, when the size of displacement instruction fingerprint characteristic being detected is larger relative to the second predeterminable range, can think that user points the speed slided on fingerprint recognition key, so, the frequency acquisition of the positional information of increase fingerprint characteristic that can be suitable.
It should be noted that, after step 105 and step 106 adjust frequency acquisition, the frequency acquisition after adjustment can be reported, the frequency acquisition after step 102 meeting Use Adjustment gathers finger print information.
By the frequency acquisition of suitable adjustment fingerprint characteristic, namely when user points mobile very fast, strengthen the frequency acquisition of fingerprint characteristic, when user points mobile slower, reduce the frequency acquisition of fingerprint characteristic.Make the positional information of the fingerprint characteristic detected can react moving direction and the size of user's finger more accurately.
Four embodiment of the invention provides a kind of terminal, comprises sensing unit, processing unit, computing unit and control module.
Wherein, sensing unit, for responding to the finger print information of the user's finger on fingerprint recognition key.
Processing unit is used for the finger print information periodically being received user's finger by sensing unit, and when receiving the finger print information of user's finger each time, gather the fingerprint characteristic in finger print information, fingerprint characteristic can be fingerprint image, also can be fingerprint feature point.
Computing unit is used for the positional information according to the fingerprint characteristic got in Preset Time, and calculate the displacement of fingerprint characteristic in Preset Time, Preset Time is greater than the receiving cycle duration of finger print information.
Control module is used for the size and Orientation indicated according to the displacement of fingerprint characteristic, and control terminal completes predefined task.
Further, computing unit utilizes motion estimation algorithm according to the displacement of the positional information calculation of fingerprint characteristic fingerprint characteristic in Preset Time.
The size and Orientation that control module indicates according to the displacement of fingerprint characteristic, control terminal completes predefined task, comprise: the cursor on the display screen of control terminal moves, moves down, moves to left or moves to right on carrying out, and the image on the display screen of control terminal carry out on move, move down, move to left, move to right, page turning, roll screen, amplify, reduce.Certainly, it will be appreciated by those skilled in the art that, predefined task also can be not only carrying out mentioned in present embodiment moves, moves down, moves to left and move to right, the amplification of picture, the task such as to reduce, and also can be any predefine task of sliding based on gesture, not enumerate at this.
Move or move down on the displacement indicated direction of fingerprint characteristic is, and when the size that the displacement of fingerprint characteristic indicates is greater than the 3rd predeterminable range, control module for the cursor on the display screen of terminal for starting point, the content shown in the display screen according to the displacement indicated direction rolling terminal of fingerprint characteristic.
When the displacement indicated direction of fingerprint characteristic is for moving to left or moving to right, and when the size that the displacement of fingerprint characteristic indicates is greater than the 4th predeterminable range, control module for using the page on the display screen of terminal as current page, stir the page in the display screen of terminal according to fingerprint characteristic indicated direction.
When the content that cursor place is corresponding on the display screen of terminal is picture, control module is used for the size and Orientation indicated according to the displacement of fingerprint characteristic, zooms in or out picture.
Terminal can be: smart mobile phone, panel computer, MP4 player, vehicle-mounted computer.
In terms of existing technologies, first, processing unit periodically receives the finger print information of the user's finger on fingerprint recognition key to embodiment of the present invention, and when receiving the finger print information of user's finger each time, detects the fingerprint characteristic in finger print information; Then, computing unit is according to the displacement of the positional information calculation of fingerprint characteristic in Preset Time fingerprint characteristic in Preset Time; Finally, the size and Orientation that control module indicates according to the displacement of fingerprint characteristic, control terminal completes predefined task.Make fingerprint recognition bond energy complete the moving up and down of cursor on display screen, image or the page, roll screen etc. and be similar to the function that mouse can complete, extend the function of fingerprint recognition key.
Of the present invention 5th executes mode relates to a kind of terminal.5th embodiment has done further improvement on the 4th embodiment basis, main improvements are: when fingerprint recognition key is pressed and the duration pressed is less than the first preset duration, and control module performs the operation that the content corresponding to cursor place on the display screen of terminal is clicked; When fingerprint recognition key is pressed and the duration pressed is greater than the second preset duration, control module performs the operation of shutdown or start to terminal; Wherein, the first preset duration is less than the second preset duration.
When user presses fingerprint recognition key, control module performs the operation clicked of the content corresponding to cursor place on the display screen of terminal, and what realize that fingerprint recognition key is similar to mouse hits function; Or when pressing fingerprint recognition key with the head of a household, control module performs the operation to starting up of terminal or shutdown, realizes utilizing fingerprint recognition key to carry out the function of startup and shutdown.
Of the present invention 6th executes mode relates to a kind of terminal.6th embodiment has done further improvement on the 4th embodiment basis, main improvements are: terminal also comprises comparing unit and performance element, wherein, comparing unit is used for the size displacement of fingerprint characteristic in Preset Time indicated, and compares respectively with the first predeterminable range and the second predeterminable range.Performance element is used for when the size that the displacement of fingerprint characteristic in Preset Time indicates is less than the first predeterminable range, reduce the frequency acquisition of the fingerprint characteristic of user's finger, when the size that the displacement of fingerprint characteristic in Preset Time indicates is greater than the second predeterminable range, increase the frequency acquisition of the fingerprint characteristic of user's finger; Wherein, the first predeterminable range is less than the second predeterminable range.
Further, performance element comprises following subelement: preset subelement, for pre-setting M frequency acquisition, M frequency acquisition comprises the first frequency acquisition to M frequency acquisition, first frequency acquisition increases successively to M frequency acquisition, if current time frequency acquisition is L frequency acquisition, M be more than or equal to 2 integer, L is the integer being less than M; First adjustment subelement, for when the size that the displacement of fingerprint characteristic indicates is less than the first predeterminable range, is adjusted to (L-1) frequency acquisition by current time frequency acquisition from L frequency acquisition; Second adjustment subelement, for when the size that the displacement of fingerprint characteristic indicates is greater than the second predeterminable range, is adjusted to (L+1) frequency acquisition by current time frequency acquisition from L frequency acquisition.
It should be noted that, the frequency acquisition after adjustment also can be reported to processing unit by performance element.
The displacement of fingerprint characteristic and the size of predeterminable range in Preset Time is compared by comparing unit, thus make performance element according to the frequency acquisition of the suitable adjustment fingerprint characteristic of the comparative result of comparing unit, make the positional information of the fingerprint characteristic detected can react the moving direction of user's finger more accurately.
It is worth mentioning that, each module involved in present embodiment is logic module, and in actual applications, a logical block can be a physical location, also can be a part for a physical location, can also realize with the combination of multiple physical location.The principle of work of each physical location can describing in reference method embodiment, and the present invention does not repeat them here.In addition, in order to outstanding innovative part of the present invention, the unit not too close with solving technical matters relation proposed by the invention is not introduced in present embodiment, but this does not show the unit that there is not other in present embodiment.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiments of the invention, and in actual applications, various change can be done to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (16)
1. a touch control method for terminal, is applied to the terminal of fingerprint recognition key, it is characterized in that, comprise the following steps:
S1, periodically receiving the finger print information of the user's finger on described fingerprint recognition key, when receiving the finger print information of described user finger each time, gathering the fingerprint characteristic in described finger print information;
The positional information of the described fingerprint characteristic that S2, basis get in Preset Time, calculate the displacement of described fingerprint characteristic in described Preset Time, described Preset Time is greater than the receiving cycle duration of described finger print information;
S3, the size and Orientation indicated according to the displacement of described fingerprint characteristic, control terminal completes predefined task.
2. the touch control method of terminal according to claim 1, is characterized in that, described fingerprint characteristic comprises:
Fingerprint image or fingerprint feature point.
3. the touch control method of terminal according to claim 1, is characterized in that, in described S3, also perform following steps:
When described fingerprint recognition key is pressed and the duration pressed is less than the first preset duration, the operation that the content corresponding to cursor place on the display screen of described terminal is clicked;
When described fingerprint recognition key is pressed and the duration pressed is greater than the second preset duration, described terminal is performed to the operation of shutdown or start;
Wherein, described first preset duration is less than described second preset duration.
4. the touch control method of terminal according to claim 1, is characterized in that, after described S3, described method is further comprising the steps of:
S4, the size displacement of fingerprint characteristic described in described Preset Time indicated, compare with the first predeterminable range and the second predeterminable range respectively;
S5, when the size that the displacement of fingerprint characteristic described in described Preset Time indicates is less than described first predeterminable range, reduce the frequency acquisition of fingerprint characteristic of described user finger; When the size that the displacement of fingerprint characteristic described in described Preset Time indicates is greater than described second predeterminable range, increase the frequency acquisition of the fingerprint characteristic of described user finger;
Wherein, described first predeterminable range is less than described second predeterminable range.
5. the touch control method of terminal according to claim 4, is characterized in that, further comprising the steps of:
Pre-set M frequency acquisition, a described M frequency acquisition comprises the first frequency acquisition to M frequency acquisition, and described first frequency acquisition increases successively to described M frequency acquisition, described M be more than or equal to 2 integer;
Following sub-step is also comprised in described S5:
When the size that the displacement of described fingerprint characteristic indicates is less than described first predeterminable range, by the frequency acquisition L frequency acquisition of current time, be adjusted to (L-1) frequency acquisition; Wherein, described L is the integer being less than M;
When the size that the displacement of described fingerprint characteristic indicates is greater than described second predeterminable range, by the frequency acquisition L frequency acquisition of current time, be adjusted to (L+1) frequency acquisition.
6. the touch control method of terminal according to claim 1, is characterized in that, described S2 specifically comprises:
Utilize motion estimation algorithm according to the displacement of the positional information calculation of described fingerprint characteristic described fingerprint characteristic in described Preset Time.
7. the touch control method of terminal according to claim 1, is characterized in that, in described S3,
According to the size and Orientation that the displacement of described fingerprint characteristic indicates, control terminal completes predefined task, comprising: the cursor on the display screen of control terminal moves, moves down, moves to left or moves to right on carrying out.
8. the touch control method of terminal according to claim 1, it is characterized in that, in described S3, according to the size and Orientation that the displacement of described fingerprint characteristic indicates, control terminal completes predefined task and comprises: the image on the display screen of control terminal moves on carrying out, move down, move to left, move to right, page turning, roll screen, amplify, reduce.
9. according to the touch control method of the terminal described in claim 1 to 8, it is characterized in that, described terminal is:
Smart mobile phone, panel computer, MP4 player, vehicle-mounted computer.
10. a terminal, described terminal comprises fingerprint recognition key, it is characterized in that, comprising:
Sensing unit, for responding to the finger print information of the user's finger on described fingerprint recognition key;
Processing unit, for periodically being received the finger print information of described user finger by described sensing unit, when receiving the finger print information of described user finger each time, gathers the fingerprint characteristic in described finger print information;
Computing unit, for the positional information according to the described fingerprint characteristic got in Preset Time, calculate the displacement of described fingerprint characteristic in described Preset Time, described Preset Time is greater than the receiving cycle duration of described finger print information;
Control module, for the size and Orientation indicated according to the displacement of described fingerprint characteristic, control terminal completes predefined task.
11. terminals according to claim 10, is characterized in that,
When described fingerprint recognition key is pressed and the duration pressed is less than the first preset duration, described control module performs the operation that the content corresponding to cursor place on the display screen of described terminal is clicked;
When described fingerprint recognition key is pressed and the duration pressed is greater than the second preset duration, described control module performs the operation of shutdown or start to described terminal;
Wherein, described first preset duration is less than described second preset duration.
12. terminals according to claim 10, is characterized in that, described terminal also comprises:
Comparing unit, for the size displacement of fingerprint characteristic described in described Preset Time indicated, compares with the first predeterminable range and the second predeterminable range respectively;
Performance element, for when the size that the displacement of fingerprint characteristic described in described Preset Time indicates is less than described first predeterminable range, reduce the frequency acquisition of the fingerprint characteristic of described user finger, when the size that the displacement of fingerprint characteristic described in described Preset Time indicates is greater than described second predeterminable range, increase the frequency acquisition of the fingerprint characteristic of described user finger;
Wherein, described first predeterminable range is less than described second predeterminable range.
13. terminals according to claim 12, is characterized in that, described performance element comprises following subelement:
Preset subelement, for pre-setting M frequency acquisition, a described M frequency acquisition comprises the first frequency acquisition to M frequency acquisition, described first frequency acquisition to described M frequency acquisition increases successively, if current time frequency acquisition is L frequency acquisition, described M be more than or equal to 2 integer, described L is the integer being less than M;
First adjustment subelement, for when the size that the displacement of described fingerprint characteristic indicates is less than described first predeterminable range, is adjusted to (L-1) frequency acquisition by described current time frequency acquisition from described L frequency acquisition;
Second adjustment subelement, for when the size that the displacement of described fingerprint characteristic indicates is greater than described second predeterminable range, is adjusted to (L+1) frequency acquisition by described current time frequency acquisition from described L frequency acquisition.
14. terminals according to claim 10, is characterized in that, described computing unit utilizes motion estimation algorithm according to the displacement of the positional information calculation of described fingerprint characteristic described fingerprint characteristic in described Preset Time.
15. terminals according to claim 10, it is characterized in that, the size and Orientation that described control module indicates according to the displacement of described fingerprint characteristic, control terminal completes predefined task and comprises: the cursor on the display screen of control terminal moves, moves down, moves to left or moves to right on carrying out.
16. terminals according to claim 10, it is characterized in that, the size and Orientation that described control module indicates according to the displacement of described fingerprint characteristic, control terminal completes predefined task and comprises: the image on the display screen of control terminal moves on carrying out, move down, move to left, move to right, page turning, roll screen, amplify, reduce.
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