CN202142045U - Touch device and mobile terminal comprising same - Google Patents
Touch device and mobile terminal comprising same Download PDFInfo
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- CN202142045U CN202142045U CN201120221445U CN201120221445U CN202142045U CN 202142045 U CN202142045 U CN 202142045U CN 201120221445 U CN201120221445 U CN 201120221445U CN 201120221445 U CN201120221445 U CN 201120221445U CN 202142045 U CN202142045 U CN 202142045U
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Abstract
The utility model provides a touch device, comprising a touch screen; a capacitance detection unit for detecting a capacitance change on the touch screen and acquiring a capacitance variation at the place of the capacitance change; an adjacence decision unit for deciding whether a touch object is adjacent to the touch screen according to the capacitance variation, and triggering an object adjacent signal and an object non-adjacent signal respectively; and a controller, wherein if the controller receives the object non-adjacent signal and continuously receives the object non-adjacent signal in a preset time period, the controller is triggered to enter a sleep state, and if the controller receives the object adjacent signal, the controller is triggered to enter a working state . The embodiment of the utility model, after the controller enters the sleep state, reduces the energy consumption and then prolongs the service life of the touch device . In addition, the touch device has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to technical field of electronic equipment, particularly a kind of contactor control device and have its portable terminal.
Background technology
The condenser type capacitance plate has been widely used in various fields, for example: handset touch panel, notebook touchpad, PDAs, keyboard etc.This condenser type capacitance plate changes mutual capacitance through human finger with contacting of capacitance plate, then judges the position of finger on screen through detection.With the mobile phone capacitive screens is example, in general has following shortcoming.
First; When finger contacted perhaps near screen, screen was all constantly carrying out scanning work, that is to say the detection of carrying out capacitance change and the judgement that are not stopping; Make chip be in a constantly duty of scanning, can consume the energy of quite a few.
Second; Finger can not rest on the screen constantly, more situation be above screen, move or do in advance by action, when an operation is selected in decision, just can click screen; When finger near screen but when not contacting mutual capacitance changing; Just possibly make controller, be judged as effective touching like the control chip of handset touch panel, and then the operation of execution error.
The 3rd, the various icon buttons of pointing on the relative screen are generally bigger than normal, when the finger touch screen, occur covering two or above icon through regular meeting, can cause operational error usually.
The shortcoming of prior art does, more than three kinds of situation cause waste of time and unnecessary energy consumption possibly, and can have a strong impact on user's mood.
The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, a purpose of the utility model is to propose a kind of contactor control device, and this contactor control device can make controller suitably between dormancy and work two states, change, thereby reaches the purpose that cuts down the consumption of energy.
To achieve these goals, the embodiment of the utility model first aspect proposes a kind of contactor control device, comprising: touch-screen; The capacitance change that capacitance detection unit, said capacitance detection unit are used to detect the capacitance variations on the said touch-screen and obtain the capacitance variations place; Close on identifying unit, the said identifying unit that closes on judges according to said capacitance change whether the touching object closes on said touch-screen, and triggers not closing signal of object closing signal and object respectively; And controller; If receiving said object, said controller do not continue to receive not closing signal of said object within closing signal and the predetermined time cycle; Then trigger said controller and get into dormant state; If said controller receives said object closing signal, then trigger said controller and get into duty.
Contactor control device according to the utility model embodiment; At first the capacitance change at capacitance variations place on the detected touch-screen of the capacitance detection unit of this contactor control device then closes on identifying unit and passes through the judgement to the size of this capacitance change, can judge the touching object effectively and whether close on touch-screen; And when judging touching object vicinity touch-screen; Make the controller of this contactor control device get into duty, otherwise, can make the controller of this contactor control device get into dormant state.Like this, after controller gets into dormant state, realized the purpose that this contactor control device cuts down the consumption of energy, and then the serviceable life of having improved this contactor control device.In addition, this contactor control device simplicity of design, cost is low.
The embodiment of the utility model second aspect also proposes portable terminal, comprises aforesaid contactor control device.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the process flow diagram of control method of the contactor control device of the utility model embodiment;
Fig. 2 is the particular flow sheet of step S104 of the control method shown in Figure 1 of the utility model embodiment; With
Fig. 3 is the control device of the utility model embodiment.
Embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the utility model; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction to the utility model.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In the description of the utility model, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand the concrete implication of above-mentioned term in the utility model.
The control method of the contactor control device of the utility model embodiment is at first described below in conjunction with accompanying drawing 1-2.
As shown in Figure 1, be the process flow diagram of the control method of the contactor control device of the utility model embodiment.Control method according to the contactor control device of the utility model embodiment may further comprise the steps:
Step S101 detects the capacitance variations on the touch-screen of said contactor control device, and obtains the capacitance change at capacitance variations place.
In some embodiment of the utility model, for example detect the capacitance variations on the touch-screen of contactor control device and obtain the capacitance change at capacitance variations place through capacitance detection unit.Because capacitance detection unit is the capacitance variations situation of senses touch screen constantly, therefore can momentarily obtain the capacitance change at touch-screen capacitance variations place.
Step S102 judges according to said capacitance change whether the touching object closes on said touch-screen, and triggers not closing signal of object closing signal and object respectively.
In other words; Because the change of the distance of touching object and touch screen surface; The position electric capacity of the point on this touching object and the touch-screen that touch-screen will contact will change and produce a capacitance change, like this, can capacitance change and predetermined capacitance threshold value of this point be compared; Thereby can roughly confirm a scope interval of distance between this touching object and the touch screen surface; And then, can confirm whether this touching object closes on touch-screen, and trigger the adjacent signal of object and the not closing signal of object respectively according to definite result.
Step S103; If receiving said object, the controller of said contactor control device do not continue to receive not closing signal of said object within closing signal and the predetermined time cycle; The controller of then controlling said contactor control device gets into dormant state, and returns execution in step S101.
Particularly; If the controller of said contactor control device is a closing signal at the last signal that once receives; And at the signal that this time receives is that said object is not during closing signal; Pick up counting, and continue to receive not closing signal of said object within the predetermined time cycle, the controller of then controlling said contactor control device gets into dormant state.
In an embodiment of the utility model, can be 5 seconds like this predetermined period of time.Like this; Can prevent not close on touch-screen in the of short duration a certain moment because of object; Cause the controller dormancy; Reduce contactor control device serviceable life thereby the controller that prevents this contactor control device is changed too frequent between dormancy and normal operating conditions, and if reduced when touch is arranged, controller gets into the touch operation that normal operating conditions causes again from dormant state to postpone.
Step S104, if the controller of said contactor control device receives said object closing signal, the controller of then controlling said contactor control device gets into duty.
In some examples of the utility model, for example after controller gets into duty, can calculate the position of touching object on said touch-screen, and carry out the instruction that is associated with the object closing signal according to the position coordinates of this position.As amplify the regional area at this point coordinate place on the touch-screen, because the various icon buttons on the relative touch-screen of touching object are generally bigger than normal, occur covering two or more icons when causing touching object touching touch-screen probably, and then lose time.Like this,, can effectively prevent maloperation, and then strengthen the user experience effect through amplifying the regional area at this point coordinate place on the touch-screen.
Touch control method according to the contactor control device of the utility model embodiment; Through the judgement big or small to the capacitance change at capacitance variations place on the touch-screen of this contactor control device; Can judge the touching object effectively and whether close on touch-screen, and when touching object vicinity touch-screen, make the controller of this contactor control device get into duty; Otherwise, can make the controller of this contactor control device get into dormant state.Like this, after controller got into dormant state, the energy consumption of this controller reduced, and then the serviceable life of having improved this contactor control device.
In the example of the utility model, the touch-screen of contactor control device is divided into self-capacitance touch-screen or mutual capacitance screen.Further, step S102 comprises the steps:
At first the said capacitance change and the first predetermined capacitance threshold value are compared.In concrete the application, the first predetermined capacitance threshold value can be measured according to corresponding self-capacitance touch-screen or mutual capacitance screen in advance.
Then, trigger said object closing signal, otherwise trigger not closing signal of said object when the said capacitance change of judgement during greater than the said first predetermined capacitance threshold value.
Particularly, send to change if capacitance detection unit detects the electric capacity of a certain position on the touch-screen, and variable quantity is greater than the first predetermined capacitance threshold value, then thinking has object to close on touch-screen, then triggers said object closing signal.If judging does not have object to close on touch-screen, then trigger not closing signal of object.For example, the first predetermined capacitance threshold value that it adopts when object closes on touch-screen is Δ C1, and capacitance change is Δ C, and when judging Δ C1≤Δ C, i.e. expression has object to close on touch-screen, triggers the physical proximity signal this moment.According to the foregoing description; In step S104; After controller receives the physical proximity signal, get into after the duty, also be used for judging according to capacitance change whether said touching object is effectively touched said touch-screen and triggered the signal that is associated with said effective touching.
As shown in Figure 2, judge that whether said touching object is effectively touched said touch-screen and triggered the signal that is associated with said effective touching, is specially following steps:
Step S1041: the said capacitance change and the second predetermined capacitance threshold value are compared.
Step S1042:, otherwise return execution in step S101 if said capacitance change greater than the said second predetermined capacitance threshold value, then triggers effective touch signal and offers the controller of said contactor control device.For example, second threshold value that when object effectively touches touch-screen, adopts is Δ C2.Significantly, Δ C2 should be greater than Δ C1.And the capacitance change of this moment is designated as Δ C, when judging Δ C2≤Δ C, representes that promptly object effectively touches touch-screen, triggers effective touch signal and offers controller.For example, controller obtains the coordinate of effective touch point according to effective touch signal, thereby judges the icon that effectively touches, and the instruction that is associated of execution icon.As open an application program, input characters etc.
Below in conjunction with the contactor control device of accompanying drawing 3 descriptions according to the utility model embodiment.
As shown in Figure 3, be the structural drawing of the contactor control device of the utility model embodiment.Contactor control device 300 according to the utility model embodiment comprises: touch-screen 310, capacitance detection unit 320, close on identifying unit 330 and controller 340.
Capacitance detection unit 320 is used to detect the capacitance variations on the touch-screen 310 of said contactor control device 300, and obtains the capacitance change at capacitance variations place.Because capacitance detection unit is the capacitance variations situation of senses touch screen constantly, therefore can momentarily obtain the capacitance change at touch-screen capacitance variations place.
Close on identifying unit 330 and be used for judging according to said capacitance change whether the touching object closes on said touch-screen 310, and trigger not closing signal of object closing signal and object respectively.
In other words; Because the change of the distance on touching object and touch-screen 310 surfaces; The position electric capacity of the point on this touching object and the touch-screen 310 that touch-screen 310 will contact will change and produce a capacitance change, and like this, closing on identifying unit 330 can compare capacitance change and predetermined capacitance threshold value of this point; Thereby can roughly confirm a scope interval of distance between this touching object and touch-screen 310 surfaces; And then, can confirm whether this touching object closes on touch-screen 310, and trigger the adjacent signal of object and the not closing signal of object respectively according to definite result.
Controller 340 receives said object and does not continue to receive not closing signal of said object within closing signal and the predetermined time cycle; The controller 340 of then controlling said contactor control device 300 gets into dormant state; If said controller 340 receives said object closing signal, then trigger said controller 340 and get into duty.
Particularly; If the controller 340 of said contactor control device 300 is a closing signal at the last signal that once receives; And at the signal that this time receives is that said object is not during closing signal; Pick up counting, and continue to receive not closing signal of said object within the predetermined time cycle, the controller 340 of then controlling said contactor control device 300 gets into dormant state.
In an embodiment of the utility model, can be 5 seconds like this predetermined period of time.Like this; Can prevent not close on touch-screen in the of short duration a certain moment because of object; Cause the controller dormancy; Reduce contactor control device serviceable life thereby the controller that prevents this contactor control device is changed too frequent between dormancy and normal operating conditions, and if reduced when touch is arranged, controller gets into the touch operation that normal operating conditions causes again from dormant state to postpone.
In conjunction with Fig. 3; In some examples of the utility model; Controller 340 also comprises position computation module 341; After controller 340 got into duty, computing module 341 can calculate the position of touching object on said touch-screen, and carried out the instruction that is associated with the object closing signal according to the position coordinates of this position.As amplify the regional area at this point coordinate place on the touch-screen 310; Because the various icon buttons on the relative touch-screen 310 of touching object are generally bigger than normal; Occur covering two or more icons when causing touching object touching touch-screen 310 probably, and then lose time.Like this,, can effectively prevent maloperation, and then strengthen the user experience effect through amplifying the regional area at this point coordinate place on the touch-screen 310.
Contactor control device 300 according to the utility model embodiment; The capacitance change at capacitance variations place on the capacitance detection unit 320 detected touch-screens 310 of this contactor control device 300 at first; Then close on the judgement that identifying unit 330 passes through the size of this capacitance change; Can judge the touching object effectively and whether close on touch-screen 310, and when judging touching object vicinity touch-screen 310, make the controller 340 of this contactor control device 300 get into duties; Otherwise, can make the controller 340 of this contactor control device 300 get into dormant state.Like this, after controller 340 gets into dormant state, realized the purpose that this contactor control device 300 cuts down the consumption of energy, and then the serviceable life of having improved this contactor control device 300.In addition, these contactor control device 300 simplicity of design, cost is low.
In conjunction with Fig. 3, in the example of the utility model, the touch-screen 310 of contactor control device 300 is divided into self-capacitance touch-screen or mutual capacitance screen.Closing on identifying unit 330 at first compares the capacitance change and the first predetermined capacitance threshold value of self-capacitance touch-screen or mutual capacitance screen.In concrete the application; The first predetermined capacitance threshold value can be measured according to corresponding self-capacitance touch-screen or mutual capacitance screen in advance; Then close on identifying unit 330 when judging said capacitance change greater than the said first predetermined capacitance threshold value; Trigger said object closing signal, otherwise trigger not closing signal of said object.
Particularly; If capacitance detection unit 320 detects the electric capacity of a certain position on the touch-screen 310 and sends variation; And variable quantity closes on identifying unit 330 and thinks have object to close on touch-screen 310 greater than the first predetermined capacitance threshold value, then triggers said object closing signal.If judging does not have object to close on touch-screen 310, then trigger not closing signal of object.For example, the first predetermined capacitance threshold value that it adopts when object closes on touch-screen 310 is Δ C1, and capacitance change is Δ C, and when judging Δ C1≤Δ C, i.e. expression has object to close on touch-screen 310, triggers the physical proximity signal this moment.
In other embodiment of the utility model; After controller 340 receives physical proximity signal entering duty, be used for judging according to capacitance change whether said touching object is effectively touched said touch-screen 310 and triggered the signal that is associated with said effective touching.
Particularly, controller 340 compares the said capacitance change and the second predetermined capacitance threshold value, if judge said capacitance change greater than said second predetermined threshold, then triggers effective touch signal and offers the controller 340 of said contactor control device 300.For example, second threshold value that when object effectively touches touch-screen, adopts is Δ C2.Significantly, Δ C2 should be greater than Δ C1.And the capacitance change of this moment is designated as Δ C, when judging Δ C2≤Δ C, representes that promptly object effectively touches touch-screen 310, triggers effective touch signal and offers controller.For example, controller obtains the coordinate of effective touch point according to effective touch signal, thereby judges the icon that effectively touches, and the instruction that is associated of execution icon.As open an application program, input characters etc.
According to the control method of the utility model, can controller be changed between dormancy and work two states through effectively judging, reduce the energy consumption of controller when dormancy, and then the serviceable life of improving this contactor control device.According to the control device of the utility model, controller is suitably changed between dormancy and work two states, thereby reached the purpose that cuts down the consumption of energy.
The portable terminal of the utility model embodiment comprises aforesaid contactor control device.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is claim and be equal to and limit.
Claims (7)
1. a contactor control device is characterized in that, comprising:
Touch-screen;
Capacitance detection unit, said capacitance detection unit links to each other with said touch-screen, and said capacitance detection unit detects the capacitance variations on the said touch-screen and obtains the capacitance change at capacitance variations place;
Close on identifying unit, the said identifying unit that closes on links to each other with said capacitance detection unit, and said contiguous identifying unit judges according to said capacitance change whether the touching object closes on said touch-screen, and triggers not closing signal of object closing signal and object respectively; And
Controller; Said controller links to each other with said contiguous identifying unit; If receiving said object, said controller do not continue to receive not closing signal of said object within closing signal and the predetermined time cycle; Then trigger said controller and get into dormant state,, then trigger said controller and get into duty if said controller receives said object closing signal.
2. contactor control device according to claim 1 is characterized in that, said touch-screen is self-capacitance touch-screen or mutual capacitance screen.
3. contactor control device according to claim 2 is characterized in that, the said identifying unit that closes on is used for,
The said capacitance change and the first predetermined capacitance threshold value are compared; And
If said capacitance change then triggers said object closing signal greater than the said first predetermined capacitance threshold value, otherwise trigger not closing signal of said object.
4. contactor control device according to claim 2 is characterized in that, said controller further comprises:
Position computation module, said position computation module are used to calculate the position of touching object on said touch-screen.
5. contactor control device according to claim 2; It is characterized in that; After said controller got into duty, said controller judged according to said capacitance change whether said touching object is effectively touched said touch-screen and triggered the signal that is associated with said effective touching.
6. contactor control device according to claim 5; It is characterized in that; Said controller is after judging according to capacitance change whether said touching object effectively touches the signal that said touch-screen also triggers with said effective touching is associated; Said controller compares the said capacitance change and the second predetermined capacitance threshold value, and wherein, the said second predetermined capacitance threshold value is greater than the said first predetermined capacitance threshold value; If said capacitance change, then triggers effective touch signal greater than said second predetermined threshold and carries out the order that is associated with said effective touch signal.
7. a portable terminal is characterized in that, comprises the described contactor control device like claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120221445U CN202142045U (en) | 2011-06-27 | 2011-06-27 | Touch device and mobile terminal comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120221445U CN202142045U (en) | 2011-06-27 | 2011-06-27 | Touch device and mobile terminal comprising same |
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| CN202142045U true CN202142045U (en) | 2012-02-08 |
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| CN201120221445U Expired - Lifetime CN202142045U (en) | 2011-06-27 | 2011-06-27 | Touch device and mobile terminal comprising same |
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| CN102855033A (en) * | 2011-06-27 | 2013-01-02 | 比亚迪股份有限公司 | Touch control device and control method thereof |
| CN103034318A (en) * | 2012-11-29 | 2013-04-10 | 惠州Tcl移动通信有限公司 | Mobile terminal and key triggering method thereof |
| CN103793099A (en) * | 2012-10-30 | 2014-05-14 | 乐金显示有限公司 | Touch sensing system and method of reducing latency thereof |
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| CN104375724B (en) * | 2014-10-30 | 2020-02-18 | 惠州Tcl移动通信有限公司 | Mobile terminal and touch operation method thereof |
| CN104615045A (en) * | 2014-12-30 | 2015-05-13 | 郑州光力科技股份有限公司 | Method for controlling device working state and device based on method |
| WO2016195516A1 (en) * | 2015-06-05 | 2016-12-08 | Dinger Bartel Christiaan | A device and method of operation |
| TWI678456B (en) * | 2019-06-13 | 2019-12-01 | 東隆五金工業股份有限公司 | Electronic lock and key scanning system for electronic lock |
| CN114461129A (en) * | 2021-07-02 | 2022-05-10 | 荣耀终端有限公司 | Handwriting drawing method and device, electronic equipment and readable storage medium |
| CN116466867A (en) * | 2021-07-02 | 2023-07-21 | 荣耀终端有限公司 | Handwriting drawing method and device, electronic equipment and readable storage medium |
| CN116466867B (en) * | 2021-07-02 | 2024-04-09 | 荣耀终端有限公司 | Handwriting drawing method and device, electronic equipment and readable storage medium |
| CN115421603A (en) * | 2022-11-04 | 2022-12-02 | 荣耀终端有限公司 | Handwriting processing method, terminal device and chip system |
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Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. |
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