CN103713756A - Method for recognizing objects on touch screen and electronic equipment applying method - Google Patents
Method for recognizing objects on touch screen and electronic equipment applying method Download PDFInfo
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- CN103713756A CN103713756A CN201210376175.3A CN201210376175A CN103713756A CN 103713756 A CN103713756 A CN 103713756A CN 201210376175 A CN201210376175 A CN 201210376175A CN 103713756 A CN103713756 A CN 103713756A
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Abstract
The invention discloses a method for recognizing objects on a touch screen and electronic equipment applying the method. The method is applied to the electronic equipment, the touch screen is arranged on the electronic equipment, and resistance distribution in different operation bodies matched with the touch screen are different. The method includes acquiring covering positions of the operation bodies on the touch screen; performing resistance testing on multiple electrodes positioned, within the covering positions, on the touch screen to acquire resistance distribution conditions of the operation bodies; inquiring a prestored resistance distribution table containing various operation bodies to determine identities of the operation bodies matched with the resistance distribution conditions, of the operation bodies, acquired by testing. Compared with the prior art, the method has the advantages that the resistance distribution conditions of the operation bodies are different, so that each operation body is unique; by testing the resistance distribution conditions of the operation bodies and matching in the resistance distribution table, the operation bodies can be determined uniquely, and recognition of the operation bodies is realized.
Description
Technical field
The application relates to touch screen technology field, particularly relates to the electronic equipment of object identification method on a kind of touch-screen and application the method.
Background technology
Touch-screen is as a kind of up-to-date electronic equipment input equipment, and it is the simplest, convenient, natural a kind of man-machine interaction mode at present.It has given multimedia with brand-new looks, is extremely attractive brand-new multimedia interactive equipment.Be mainly used in inquiry, leader's office, Industry Control, military commanding, electronic game, choosing song or selecting dish, multimedia teaching, real estate presell of public information etc.
Existing touch-screen is divided into two kinds: resistance-type and condenser type, wherein: can have a resistance after can the be stressed resistance film screen of numbering of being arranged on resistive touch screen, resistive touch screen mainly utilizes pressure sensitive to operate; And capacitive touch screen is to utilize the electric current induction of human body to carry out work, in the time of on user's finger touch is on touch-screen, due to people's bulk electric field, user and touch screen surface form with a coupling capacitance, and then user's operation can be detected.
By the research to prior art, inventor finds: existing touch-screen, any type no matter, can only detect by touch-screen user's operation, and then carry out corresponding action according to user's operation, and operating body that cannot be to executable operations, the object contacting with touch-screen, identifies.
Summary of the invention
In view of this, the embodiment of the present application provides the electronic equipment of object identification method on a kind of touch-screen and application the method, to realize, can identify operating body on touch-screen.
To achieve these goals, the technical scheme that the embodiment of the present application provides is as follows:
An object identification method on touch-screen, is applied to, on an electronic equipment, on described electronic equipment, be provided with touch-screen, and the different operating body middle impedance matching with described touch-screen distribution is all not identical, and this comprises:
Obtain the covering position of described operating body on described touch-screen;
To being positioned at a plurality of electrodes of described covering position on described touch-screen, carry out testing impedance, obtain the distribution of impedance situation of described operating body;
In the pre-stored distribution of impedance table that includes multiple operating body, inquire about the sign of the operating body that the distribution of impedance situation of definite described operating body with test is obtained matches.
Preferably, on this touch-screen that the embodiment of the present application provides in operating body recognition methods, first constantly in, choose at least one electrode in described covering position as exciting electrode;
Choose in described covering position the electrode except described exciting electrode as detecting the utmost point, and obtain the result of the described detection utmost point;
Second constantly in, choose in described covering position other electrode as exciting electrode, and choose again the detection utmost point, and obtain the result of the described detection utmost point;
Testing result while judging whether to obtain interior each electrode of described coverage as exciting electrode;
During detection data when each electrode is as exciting electrode in not getting described covering position, repeat to choose in described covering position other electrode as exciting electrode;
After detection data when each electrode is as exciting electrode in getting described covering position, according to all testing results that obtain, carry out impedance analysis, obtain characterizing the distribution of impedance figure of the distribution of impedance situation of described operating body.
Preferably, on this touch-screen that the embodiment of the present application provides, in operating body recognition methods, before carrying out distribution of impedance inquiry, the method further comprises:
Obtain in advance the distribution of impedance figure of the operating body of different identification;
Set up the sign of different operating body and the corresponding relation between distribution of impedance figure;
Corresponding relation between the sign of described different operating body and distribution of impedance figure is stored with the form of distribution of impedance table.
A touch-screen, the different operating body middle impedance matching with described touch-screen distributes all not identical, comprising: position acquisition unit, testing impedance unit, distribution of impedance matching unit, determining unit and storage unit, wherein:
Described position acquisition unit, for obtaining the covering position of described operating body on described touch-screen;
Described testing impedance unit, for carrying out testing impedance to being positioned at a plurality of electrodes of described covering position on described touch-screen, obtains the distribution of impedance situation of described operating body;
Described storage unit, for the pre-stored distribution of impedance table that includes multiple operating body;
Described distribution of impedance matching unit, inquires about for the impedance list in described storage unit;
Described determining unit, the sign of the operating body matching for distribution of impedance situation definite and described operating body that test is obtained.
Preferably, in this touch-screen that the embodiment of the present application provides, described testing impedance unit comprises: exciting electrode is chosen unit, the detection utmost point is chosen unit, testing result acquiring unit, judging unit and impedance analysis unit, wherein:
Described exciting electrode is chosen unit, for choosing at least one electrode of covering in position as exciting electrode, and described exciting electrode choose unit not in the same time in, in covering position, choose the exciting electrode of different batches;
The described detection utmost point is chosen unit, for described exciting electrode within a certain moment, chooses after the selected exciting electrode in unit, and the electrode in described covering position except described exciting electrode is as detecting the utmost point;
Described testing result acquiring unit, for not in the same time time after the described detection utmost point is chosen that unit is selected and is detected extremely, from described detection, extremely obtain testing result;
Judging unit, be used for judging testing result when whether described testing result acquiring unit obtains interior each electrode of described coverage as exciting electrode, and during the testing result when not obtaining each electrode as exciting electrode, described in control, state exciting electrode choose unit in described coverage except current selected exciting electrode other electrodes as next exciting electrode, control the described detection utmost point and choose the unit selection detection utmost point, the testing result of usining while obtaining each electrode as exciting electrode;
Described impedance analysis unit, after the testing result when each electrode is as exciting electrode in obtaining described coverage, carries out impedance analysis according to all inspection results that obtain, and obtains characterizing the distribution of impedance figure of the distribution of impedance situation of described operating body.
Preferably, in this touch-screen that the embodiment of the present application provides, described storage unit comprises: distribution of impedance figure acquiring unit, corresponding relation are set up unit and storing sub-units, wherein:
Distribution of impedance figure acquiring unit, for obtaining in advance the distribution of impedance figure of the operating body of different identification;
Corresponding relation is set up unit, for setting up the sign of different operating body and the corresponding relation between distribution of impedance figure;
Storing sub-units, for storing the corresponding relation between the sign of described different operating body and distribution of impedance figure with the form of distribution of impedance table.
An electronic equipment, comprises touch-screen as above and a plurality of operating body, wherein:
A plurality of described operating body middle impedances distribute all not identical.
Object identification method on this touch-screen that the embodiment of the present application provides, first the method obtains the covering position of described operating body on described touch-screen, then a plurality of electrodes in position operating body being covered carry out testing impedance, and then obtain the distribution of impedance situation of this operating body, finally in pre-stored distribution of impedance list, inquire about, the sign of the operating body that distribution of impedance situation definite and this operating body matches, is about to this operating body and identifies.
Compared with prior art, because each operating body is by designing in advance, the distribution of impedance situation of each operating body is all not identical, and this just makes each operating body have uniqueness.Therefore, by the distribution of impedance situation to operating body, detect, then in distribution of impedance list, mate, just can determine uniquely this operating body, realize the identification to operating body.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of object identification method on a kind of touch-screen that Fig. 1 provides for the embodiment of the present application;
The schematic flow sheet of object identification method on another touch-screen that Fig. 2 provides for the embodiment of the present application;
The schematic flow sheet of object identification method on another touch-screen that Fig. 3 provides for the embodiment of the present application;
The structural representation of the touch-screen that Fig. 4 provides for the embodiment of the present application;
The touch-screen that Fig. 5 provides for the embodiment of the present application surface structure schematic diagram in use;
The structural representation of storage unit on the touch-screen that Fig. 6 provides for the embodiment of the present application;
The structural representation of the another kind of touch-screen that Fig. 7 provides for the embodiment of the present application.
Embodiment
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment mono-:
The schematic flow sheet of object identification method on a kind of touch-screen that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the method comprises the following steps:
S101: obtain the covering position of described operating body on described touch-screen.
When some operating bodies are put on touch-screen, this operating body, owing to having certain volume, can occupy certain position in described touch.When obtaining the covering position of operating body, can adopt the multiple diverse ways such as stepping method measurement, capacitance detecting or external camera detection to carry out.
S102: carry out testing impedance to being positioned at a plurality of electrodes of described covering position on described touch-screen, obtain the distribution of impedance situation of described operating body.
In the embodiment of the present application, by designing in advance, in the different operating body matching at the touch-screen with provided, distribution of impedance is all not identical, just says yet, corresponding each operating body, its distribution of impedance is unique, and this just makes can confirm each operating body by distribution of impedance situation.
S103: inquire about the sign of the operating body that the distribution of impedance situation of definite described operating body with test is obtained matches in the pre-stored distribution of impedance table that includes multiple operating body.
Because each operating body all has unique sign, so, the sign of each operating body and its distribution of impedance situation can be set up to unique relation, and this relation of setting up is preserved with the form of distribution of impedance table.Like this, when obtain the distribution of impedance situation of some operating bodies by detection after, from pre-stored distribution of impedance table just can by inquire about obtain can this operating body sign, realized the identification to operating body.
Object identification method on this touch-screen that the embodiment of the present application provides, first the method obtains the covering position of described operating body on described touch-screen, then a plurality of electrodes in position operating body being covered carry out testing impedance, and then obtain the distribution of impedance situation of this operating body, finally in pre-stored distribution of impedance list, inquire about, the sign of the operating body that distribution of impedance situation definite and this operating body matches, is about to this operating body and identifies.
Because each operating body is by designing in advance, the distribution of impedance situation of each operating body is all not identical, and this just makes each operating body have uniqueness.Therefore, by the distribution of impedance situation to operating body, detect, then in distribution of impedance list, mate, just can determine uniquely this operating body, realize the identification to operating body.
Embodiment bis-:
In the above-described embodiments, after obtaining the covering position of operating body on described touch-screen, while carrying out testing impedance, can measure by stepping method, the finger that stepping method is measured is chosen in the electrode in object coverage one as exciting electrode in some moment, then other electrodes are detected as detecting the utmost point, and each electrode in object coverage all can be selected as to exciting electrode one time.
In addition, when to operating body, the covering position on described touch-screen is determined, can also utilize the approximate region of the position that alternate manner covers object to determine, for example: can adopt capacitance detecting or external camera to determine approximate region, take external camera as example: touch-screen can be divided into roughly several regions, when object is put into some regions, can gather image and analyze by external camera and obtain the approximate range of object on touch-screen, and after approximate range is determined, can recycle stepping method and determine the concrete covering position on the touch-screen of object place.
In the embodiment of the present application, when a plurality of electrodes on to touch-screen in operating body covering position carry out testing impedance, with stepping method, be measured as example, be elaborated.
The schematic flow sheet of object identification method on another touch-screen that Fig. 2 provides for the embodiment of the present application.
As shown in Figure 2, the method providing in the embodiment of the present application comprises the following steps:
S201: obtain the covering position of described operating body on described touch-screen.
S202: first constantly in, choose at least one electrode in described covering position as exciting electrode.
S203: choose in described covering position the electrode except described exciting electrode as detecting the utmost point, and obtain the testing result of the described detection utmost point.
Through above-mentioned steps S202 and S203, for operating body, the exciting electrode of its selection and the detection utmost point are only equivalent to operating body and cover a group in all electrodes in position, only completed impedance detection process one time, but for the detection data of obtaining many group exciting electrodes and detecting the utmost point as much as possible, just need to cover in position in all electrodes at operating body, select repeatedly, to get many group exciting electrodes and to detect the detection data of the utmost point.
S204: second constantly in, choose in described covering position other electrode as exciting electrode, and choose again the detection utmost point, and obtain the testing result of the described detection utmost point.
S205: judge whether to obtain in described covering position detection data when each electrode is as exciting electrode;
S206: if, according to all testing results that obtain, carry out impedance analysis, obtain characterizing the distribution of impedance figure of the distribution of impedance situation of described operating body.
In the embodiment of the present application, by designing in advance, in the different operating body matching at the touch-screen with provided, distribution of impedance is all not identical, just says yet, corresponding each operating body, its distribution of impedance is unique, and this just makes can confirm each operating body by distribution of impedance situation.
Detection data when each electrode is as exciting electrode in judgment result is that of step S205 do not get described covering position, repeated execution of steps S204 so, until get in described covering position detection data when each electrode is as exciting electrode.
S207: inquire about the sign of the operating body that the distribution of impedance situation of definite described operating body with test is obtained matches in the pre-stored distribution of impedance table that includes multiple operating body.
Object identification method on this touch-screen that the embodiment of the present application provides, first the method obtains the covering position of described operating body on described touch-screen, then utilize a plurality of electrodes in the position that stepping method covers operating body to carry out testing impedance, and then obtain the distribution of impedance situation of this operating body, finally in pre-stored distribution of impedance list, inquire about, the sign of the operating body that distribution of impedance situation definite and this operating body matches, is about to this operating body and identifies.
Because each operating body is by designing in advance, the distribution of impedance situation of each operating body is all not identical, and this just makes each operating body have uniqueness.Therefore, by the distribution of impedance situation to operating body, detect, then in distribution of impedance list, mate, just can determine uniquely this operating body, realize the identification to operating body.
Embodiment tri-:
The schematic flow sheet of object identification method on another touch-screen that Fig. 3 provides for the embodiment of the present application.
As shown in Figure 3, the method comprises the following steps:
S301: the distribution of impedance figure that obtains in advance the operating body of different identification.
In the embodiment of the present application, by designing in advance, in the different operating body matching at the touch-screen with provided, distribution of impedance is all not identical, just says yet, corresponding each operating body, its distribution of impedance is unique, and this just makes can confirm each operating body by distribution of impedance situation.
S302: set up the sign of different operating body and the corresponding relation between distribution of impedance figure;
S303: the corresponding relation between the sign of described different operating body and distribution of impedance figure is stored with the form of distribution of impedance table.
S304: obtain the covering position of described operating body on described touch-screen.
When some operating bodies are put on touch-screen, this operating body, owing to having certain volume, can occupy certain position in described touch.When obtaining the covering position of operating body, can adopt the multiple diverse ways such as stepping method measurement, capacitance detecting or external camera detection to carry out.
S305: carry out testing impedance to being positioned at a plurality of electrodes of described covering position on described touch-screen, obtain the distribution of impedance situation of described operating body.
S306: inquire about the sign of the operating body that the distribution of impedance situation of definite described operating body with test is obtained matches in the pre-stored distribution of impedance table that includes multiple operating body.
In the embodiment of the present application, by designing in advance, in the different operating body matching at the touch-screen with provided, distribution of impedance is all not identical, just says yet, corresponding each operating body, its distribution of impedance is unique, and this just makes can confirm each operating body by distribution of impedance situation.
Embodiment tetra-:
The embodiment of the present application also provides a kind of touch-screen.The structural representation of the touch-screen that Fig. 4 provides for the embodiment of the present application.The touch-screen that Fig. 5 provides for the embodiment of the present application surface structure schematic diagram in use.
As shown in Figure 5, in figure, 10 is touch-screen, and 11 is operating body, and in Fig. 6, operating body 11 can be chess piece.
This touch-screen that the embodiment of the present application provides, except the normal operational module of current touch-screen, as shown in Figure 4, can also comprise: position acquisition unit 1, testing impedance unit 2, distribution of impedance matching unit 3, determining unit 4 and storage unit 5.
The touch-screen that the embodiment of the present application provides, situation about distributing with the different operating body middle impedance of its coupling is all not identical, is that each operating body has unique distribution of impedance figure yet.
Distribution of impedance figure acquiring unit 31, for obtaining in advance the distribution of impedance figure of the operating body of different identification;
Corresponding relation is set up unit 32, for setting up the sign of different operating body and the corresponding relation between distribution of impedance figure;
Storing sub-units 33, for storing the corresponding relation between the sign of described different operating body and distribution of impedance figure with the form of distribution of impedance table.
Distribution of impedance matching unit 4, inquires about for the impedance list in storage unit 3, can obtain the distribution of impedance figure matching with the distribution of impedance situation of testing the operating body obtaining by inquiry.
Determining unit 5, the distribution of impedance figure that the distribution of impedance situation of the operating body that inquiry obtains according to distribution of impedance matching unit 4 obtains with test matches, the sign of the operating body that the distribution of impedance situation with the operating body that test is obtained of just can determining matches.
This touch-screen that the embodiment of the present application provides, by obtaining the covering position of described operating body on described touch-screen, then a plurality of electrodes in position operating body being covered carry out testing impedance, and then obtain the distribution of impedance situation of this operating body, finally in pre-stored distribution of impedance list, inquire about, the sign of the operating body that distribution of impedance situation definite and this operating body matches, is about to this operating body and identifies.
Because each operating body is by designing in advance, the distribution of impedance situation of each operating body is all not identical, and this just makes each operating body have uniqueness.Therefore, by the distribution of impedance situation to operating body, detect, then in distribution of impedance list, mate, just can determine uniquely this operating body, realize the identification to operating body.
Embodiment five:
The structural representation of the another kind of touch-screen that Fig. 7 provides for the embodiment of the present application.
As shown in Figure 7, the testing impedance unit 2 in this touch-screen can comprise: exciting electrode is chosen unit 21, the detection utmost point is chosen unit 22, testing result acquiring unit 23, judging unit 24 and impedance analysis unit 25, wherein:
Exciting electrode is chosen unit 21, for choosing at least one electrode of covering in position as exciting electrode, and exciting electrode choose unit not in the same time in, in covering position, choose the exciting electrode of different batches;
Detect the utmost point and choose unit 22, for choosing when a certain moment underexcitation utmost point after the selected exciting electrode in unit 21, the electrode in covering position except exciting electrode is as detecting the utmost point;
Testing result acquiring unit 23, for not in the same time time after detecting the utmost point and choosing that unit 22 is selected and detect extremely, from detecting, extremely obtain testing result;
Judging unit 24, be used for judging testing result when whether described testing result acquiring unit 23 obtains interior each electrode of described coverage as exciting electrode, and during the testing result when not obtaining each electrode as exciting electrode, described in control, state exciting electrode choose unit 21 in described coverage except current selected exciting electrode other electrodes as next exciting electrode, controlling the described detection utmost point chooses unit 22 and chooses the detection utmost point, the testing result of usining while obtaining each electrode as exciting electrode.
In the embodiment of the present application, impedance detection unit 2, when carrying out impedance detection, adopts stepping method to detect.
Embodiment six:
The embodiment of the present application also provides a kind of electronic equipment with the described touch-screen of above-described embodiment.
As shown in Figure 5, the structural representation of this electronic equipment providing for the embodiment of the present application, this electronic equipment comprises: touch-screen 10 and operating body 11, wherein:
About the structure of touch-screen 10, in above-described embodiment seven and embodiment eight, to describe, detailed structure can, referring to above-described embodiment seven and embodiment eight, not repeat them here.
About operating body 11, in the embodiment of the present application, can be by designing in advance, make in different operating body, distribution of impedance is all not identical, just says yet, corresponding each operating body, its distribution of impedance is unique, this just makes can confirm each operating body by distribution of impedance situation.
This electronic equipment that the embodiment of the present application provides, because each operating body is by designing in advance, the distribution of impedance situation of each operating body is all not identical, and this just makes each operating body have uniqueness.Therefore, when operating body is placed on touch-screen, just can detect by the distribution of impedance situation to operating body, then in distribution of impedance list, mate, just can determine uniquely this operating body, realize the identification to operating body.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add essential general hardware platform by software and realizes.Understanding based on such, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the application or embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.For device embodiment, because it is substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.Device the application described above can be used for numerous general or device embodiment, and because it is substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.Device the application described above can be used in numerous general or special purpose computingasystem environment or configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, comprise distributed computing environment of above any system or equipment etc.The application can retouch the application and can be used in numerous general or special purpose computingasystem environment or configuration in the general context of the computer executable instructions of being carried out by computing machine.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, comprise distributed computing environment of above any system or equipment etc.
The application can describe in the general context of the computer executable instructions of being carried out by computing machine, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can in distributed computing environment, put into practice the application, in these distributed computing environment, by the teleprocessing equipment being connected by communication network, be executed the task.In distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
The above is only the application's preferred implementation, makes those skilled in the art can understand or realize the application.To the multiple modification of these embodiment, will be apparent to one skilled in the art, General Principle as defined herein can be in the situation that do not depart from the application's spirit or scope, realization in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an object identification method on touch-screen, is applied to, on an electronic equipment, it is characterized in that, on described electronic equipment, is provided with touch-screen, and the different operating body middle impedance matching with described touch-screen distribution is all not identical, and this comprises:
Obtain the covering position of described operating body on described touch-screen;
To being positioned at a plurality of electrodes of described covering position on described touch-screen, carry out testing impedance, obtain the distribution of impedance situation of described operating body;
In the pre-stored distribution of impedance table that includes multiple operating body, inquire about the sign of the operating body that the distribution of impedance situation of definite described operating body with test is obtained matches.
2. method according to claim 1, is characterized in that, describedly to being positioned at a plurality of electrodes of described covering position on described touch-screen, carries out testing impedance, obtains the distribution of impedance situation of described operating body, comprising:
First constantly in, choose at least one electrode in described covering position as exciting electrode;
Choose in described covering position the electrode except described exciting electrode as detecting the utmost point, and obtain the result of the described detection utmost point;
Second constantly in, choose in described covering position other electrode as exciting electrode, and choose again the detection utmost point, and obtain the result of the described detection utmost point;
Testing result while judging whether to obtain interior each electrode of described coverage as exciting electrode;
During detection data when each electrode is as exciting electrode in not getting described covering position, repeat to choose in described covering position other electrode as exciting electrode;
After detection data when each electrode is as exciting electrode in getting described covering position, according to all testing results that obtain, carry out impedance analysis, obtain characterizing the distribution of impedance figure of the distribution of impedance situation of described operating body.
3. method according to claim 2, is characterized in that, before carrying out distribution of impedance inquiry, the method further comprises:
Obtain in advance the distribution of impedance figure of the operating body of different identification;
Set up the sign of different operating body and the corresponding relation between distribution of impedance figure;
Corresponding relation between the sign of described different operating body and distribution of impedance figure is stored with the form of distribution of impedance table.
4. a touch-screen, the different operating body middle impedance matching with described touch-screen distributes all not identical, it is characterized in that, comprising: position acquisition unit, testing impedance unit, distribution of impedance matching unit, determining unit and storage unit, wherein:
Described position acquisition unit, for obtaining the covering position of described operating body on described touch-screen;
Described testing impedance unit, for carrying out testing impedance to being positioned at a plurality of electrodes of described covering position on described touch-screen, obtains the distribution of impedance situation of described operating body;
Described storage unit, for the pre-stored distribution of impedance table that includes multiple operating body;
Described distribution of impedance matching unit, inquires about for the impedance list in described storage unit;
Described determining unit, the sign of the operating body matching for distribution of impedance situation definite and described operating body that test is obtained.
5. touch-screen according to claim 4, is characterized in that, described testing impedance unit comprises: exciting electrode is chosen unit, the detection utmost point is chosen unit, testing result acquiring unit, judging unit and impedance analysis unit, wherein:
Described exciting electrode is chosen unit, for choosing at least one electrode of covering in position as exciting electrode, and described exciting electrode choose unit not in the same time in, in covering position, choose the exciting electrode of different batches;
The described detection utmost point is chosen unit, for described exciting electrode within a certain moment, chooses after the selected exciting electrode in unit, and the electrode in described covering position except described exciting electrode is as detecting the utmost point;
Described testing result acquiring unit, for not in the same time time after the described detection utmost point is chosen that unit is selected and is detected extremely, from described detection, extremely obtain testing result;
Judging unit, be used for judging testing result when whether described testing result acquiring unit obtains interior each electrode of described coverage as exciting electrode, and during the testing result when not obtaining each electrode as exciting electrode, described in control, state exciting electrode choose unit in described coverage except current selected exciting electrode other electrodes as next exciting electrode, control the described detection utmost point and choose the unit selection detection utmost point, the testing result of usining while obtaining each electrode as exciting electrode;
Described impedance analysis unit, after the testing result when each electrode is as exciting electrode in obtaining described coverage, carries out impedance analysis according to all inspection results that obtain, and obtains characterizing the distribution of impedance figure of the distribution of impedance situation of described operating body.
6. touch-screen according to claim 5, is characterized in that, described storage unit comprises: distribution of impedance figure acquiring unit, corresponding relation are set up unit and storing sub-units, wherein:
Distribution of impedance figure acquiring unit, for obtaining in advance the distribution of impedance figure of the operating body of different identification;
Corresponding relation is set up unit, for setting up the sign of different operating body and the corresponding relation between distribution of impedance figure;
Storing sub-units, for storing the corresponding relation between the sign of described different operating body and distribution of impedance figure with the form of distribution of impedance table.
7. an electronic equipment, is characterized in that, comprises touch-screen and a plurality of operating body as described in claim 4-6 any one, wherein:
A plurality of described operating body middle impedances distribute all not identical.
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| CN201210376175.3A CN103713756B (en) | 2012-09-29 | 2012-09-29 | Object identification method and the electronic equipment of application the method on a kind of touch screen |
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| CN201210376175.3A CN103713756B (en) | 2012-09-29 | 2012-09-29 | Object identification method and the electronic equipment of application the method on a kind of touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017028524A1 (en) * | 2015-08-14 | 2017-02-23 | Zheng Shi | System and method for recognizing physical objects on an interactive board |
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| US20090295727A1 (en) * | 2008-06-02 | 2009-12-03 | Asustek Computer Inc. | Configurable apparatus for directional operation and computer system |
| CN102483784A (en) * | 2009-08-27 | 2012-05-30 | 讯宝科技公司 | Systems and methods for pressure-based authentication of a signature on a touch screen |
| CN101813995A (en) * | 2010-05-12 | 2010-08-25 | 福州锐达数码科技有限公司 | Method for recognizing gesture on infrared induction type electronic whiteboard |
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| CN103713756B (en) | 2016-10-05 |
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