CN104063096A - Capacitive touch control device - Google Patents
Capacitive touch control device Download PDFInfo
- Publication number
- CN104063096A CN104063096A CN201310085351.2A CN201310085351A CN104063096A CN 104063096 A CN104063096 A CN 104063096A CN 201310085351 A CN201310085351 A CN 201310085351A CN 104063096 A CN104063096 A CN 104063096A
- Authority
- CN
- China
- Prior art keywords
- detecting unit
- measurement data
- treatment circuit
- samples
- control treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
A capacitive touch control device comprises a control processing circuit and a touch control panel, wherein a plurality of detection units are arranged on the touch control panel in a matrix manner; the control processing circuit is used for inputting a drive signal to the detection units of the touch control panel and sequentially reading measuring data from the detection units for postprocessing; and the control processing circuit reads the measuring data of the detection units according to the first sampling number in the normal mode and reads the measuring data of the detection units according to the second sampling number in the sleep mode, and the second sampling number is smaller than the first sampling number.
Description
Technical field
The present invention is relevant a kind of input media, more especially about a kind of capacitive touch device that reduces power consumption and promote report rate.
Background technology
Contact panel, because of simple to operate and do not need to arrange in pairs or groups in the time operating for example slide-mouse or keyboard single-candidate neighboring device, is therefore applied on portable electronic devices and household appliances at large.In capacitance type touch-control panel, the operated touch area of user only occupies the part area of contact panel conventionally, therefore the considering of energy saving, except can be in the park mode low power consuming that declines, goodly also can under normal mode, save entirety power consumption.
In known technology, under park mode, can reduce power consumption by reducing sweep frequency.For example, the electricity saving method that discloses a kind of scanning with the frequency of 4 milliseconds in No. 200943156th, Taiwan patent under normal mode and scan with the frequency of 40 milliseconds under park mode, whether it according to judgement, touch event (touch event) occurs is for a long time confirmed whether to switch to park mode from normal mode.But under park mode, reduce that sweep frequency can reduce report rate (report rate) simultaneously and may delay control once touch detection time of generation, the reaction time that simultaneously can reduce contact panel.
In view of this, the present invention also proposes a kind of capacitive touch device, and it all can reduce entirety power consumption of contact panel under park mode and under normal mode, and can not reduce detection and touch for the first time the instantaneity of generation.
Summary of the invention
The invention provides a kind of capacitive touch device, the number of samples that it can only scan the part region of contact panel and/or reduce the measurement data of contact panel under park mode, reduces entirety power consumption whereby.
The invention provides a kind of capacitive touch device, the number of samples that it can only scan the part region of contact panel and/or reduce the measurement data in the part region of touch-control under normal mode, reduces entirety power consumption whereby.
The invention provides a kind of capacitive touch device, it can reduce the number of samples of the measurement data of contact panel, increases whereby report rate and detects instantaneity.
The invention provides a kind of capacitive touch device, comprise contact panel and control treatment circuit.Multiple detecting units that described contact panel Cover matrix is arranged.Described control treatment circuit also reads measurement data from described detecting unit successively in order to input drive signal to the described detecting unit of described contact panel; Wherein, under normal mode, described control treatment circuit reads described control treatment circuit under the described measurement data of described detecting unit and park mode and reads with the second number of samples the described measurement data of described detecting unit with the first number of samples.Described the second number of samples is lower than described the first number of samples.
The present invention also provides capacitive touch device, comprise contact panel with control treatment circuit.Multiple detecting units that described contact panel Cover matrix is arranged.Control treatment circuit in order to input drive signal to the described detecting unit of described contact panel and read successively measurement data from described detecting unit; Wherein, under normal mode, described control treatment circuit reads described control treatment circuit under the described measurement data of described detecting unit and park mode and reads with the second number of samples the second image duration the described measurement data of described detecting unit with the first number of samples the first image duration.Described the second number of samples is lower than described the first number of samples and be shorter than described the first image duration described the second image duration.
The present invention also provides a kind of capacitive touch device, comprises contact panel and controls treatment circuit.Multiple detecting units that described contact panel Cover matrix is arranged.Control treatment circuit and also read measurement data from described detecting unit successively in order to input drive signal to the described detecting unit of described contact panel; Wherein, under park mode, described control treatment circuit only reads the partly described measurement data of described detecting unit.
In one embodiment, described control treatment circuit reads multiple measurement data of each detecting unit with identical sample frequency.For example, read the sample frequency of described the first number of samples and described the second number of samples all identical.
In one embodiment, under described normal mode, described controlled processing unit can select for example, to read with higher number of samples (the first number of samples) measurement data of all or part of described detecting unit; Wherein, when described controlled processing unit is with described the first number of samples only described in reading section when the measurement data of detecting unit, described controlled processing unit for example, reads the measurement data of detecting unit described in other parts with lower number of samples (described the second number of samples), further to save power consumption.
In one embodiment, can comprise or not comprise standby time the image duration that described control treatment circuit scans described contact panel.In the time that comprise standby time described image duration, can save power consumption; Do not comprise and can further promote frequency and the report rate of scanning standby time when described image duration.
In one embodiment, when described control treatment circuit is in normal mode and park mode only when the measurement data of reading section detecting unit, the measurement data of the better detecting unit that reads different parts of described control treatment circuit during consecutive frame, can detect all detecting units at least one times at least two image durations.
In the capacitive touch device of the embodiment of the present invention, under park mode, can lower number of samples read partly or the measurement data of whole detecting units, reducing whereby consumes energy and promote detects instantaneity; Can be in touch points peripheral region under normal mode with normal number of samples read in described peripheral region whole measurement data of detecting units and in described peripheral region beyond region read part or whole measurement data of detecting units with lower number of samples, reduce whereby and consume energy and promote detection instantaneity.
For allow above and other object of the present invention, feature and advantage can be more obvious, below will coordinate appended diagram, be described in detail as follows.In addition,, in explanation of the present invention, identical member is to represent with identical symbol, first states clearly in this.
Brief description of the drawings
Fig. 1 shows the block schematic diagram of the capacitive touch device of the embodiment of the present invention;
Fig. 2 shows the schematic diagram of the capacitive touch device of the embodiment of the present invention;
Fig. 3 A shows the schematic diagram of capacitive touch device measurement data of reading section detecting unit under park mode of the embodiment of the present invention;
Fig. 3 B shows another schematic diagram of the measurement data of capacitive touch device reading section detecting unit under park mode of the embodiment of the present invention;
Fig. 4 shows the schematic diagram of capacitive touch device measurement data of reading section detecting unit under normal mode of the embodiment of the present invention;
Fig. 5 shows the running schematic diagram of the capacitive touch device of first embodiment of the invention;
Fig. 6 shows the running schematic diagram of the capacitive touch device of second embodiment of the invention;
Fig. 7 shows that the capacitive touch device of the embodiment of the present invention reads the schematic diagram of the measurement data of detecting unit.
Description of reference numerals
1 capacitive touch device
11 contact panels
111 detecting units
111
1-111
ndetecting unit
The first part of 111a detecting unit
The second part of 111b detecting unit
The 3rd part of 111c detecting unit
13 control treatment circuit
Tc touch points
SN
1the first number of samples
SN
2the second number of samples
SN
3the 3rd number of samples
Sd drives signal
Sm measurement data.
Embodiment
Shown in seeing figures.1.and.2, Fig. 1 show the embodiment of the present invention capacitive touch device block schematic diagram and Fig. 2 shows the schematic diagram of the capacitive touch device of the embodiment of the present invention.Capacitive touch device 1 of the present invention comprises contact panel 11 and controlled processing unit 13.In the present embodiment, described contact panel 11 is for example capacitance type touch-control panel, and multiple detecting unit 111(that Cover matrix is arranged for example comprise 111
1-111
n), as shown in Figure 2, use for user and carry out thereon touch control operation.Described control treatment circuit 13 couples described contact panel 11,, and judge at least one touch points and export the corresponding user's GUI (GUI) that controls signal to according to read measurement data Sm to the described detecting unit 111 of described contact panel 11 and read measurement data Sm from described detecting unit 111 successively in order to output drive signal Sd; Wherein, described control treatment circuit 13 has been known with the connected mode of described contact panel 11, for example, can be inputted described driving signal Sd and be read successively described measurement data Sm by multiple on-off elements, therefore do not repeat them here.Described driving signal Sd for example can be continuous voltage signal, for example, can be string ripple, square wave or other and have the voltage signal of symmetry or asymmetric waveform; Described control treatment circuit 13 all reads the measurement data of default number of samples (sampling number) and calculates touch information in the time reading each detecting unit 111, for example with sample frequency read 128,64 of each detecting unit 111 or 32 data judge touch-control event with the touch informations such as position of touch.Scrutable, described control treatment circuit 13 calculates the required number of samples of described touch information and can determine according to required degree of accuracy, is not limited to the number of samples disclosing in the present invention's explanation.Described touch information is to carry out specific city in order to relative control electronic installation, therefore be known not repeating them here because of it.
In the present invention, described capacitive touch device 1 can operate on normal mode and park mode (being illustrated in down); Wherein, described normal mode can comprise two kinds of enforcement aspects.The identical driving signal of described controlled processing unit 13 better input under different mode is to each detecting unit 111.Described normal mode refers to that described control treatment circuit 13 judges at least one indicant, and for example finger is just operating in the operating mode on described contact panel 11; Described park mode refers to that described control treatment circuit 13 judges in Preset Time and operates in the operating mode on described contact panel 11 without any indicant.
Part park mode is to implement aspect for the another kind of described normal mode; For example,, in the time that described control treatment circuit 13 is judged at least one indicant and is just being operated on described contact panel 11, by the described detecting unit 111 of contact panel 11
1-111
ndivide into first part and the second part; Wherein, described first part is preset range (detecting unit that comprises described touch points) around of at least one touch points and described the second part is other detecting units 111.Described capacitive touch device 1 is carried out as the running of described normal mode and in the described detecting unit 111 of described the second part and is carried out the running as described park mode in the described detecting unit 111 of described first part, for convenience of description this operating mode is called to part park mode herein.Mandatory declaration is that the park mode of part described in the present invention can be selected unreal executing; Also, under described normal mode, described detecting unit 111 can not divided into zones of different in addition.
Please refer to shown in Fig. 3 A and Fig. 3 B, it shows the schematic diagram of capacitive touch device 1 measurement data of reading section detecting unit under park mode of the embodiment of the present invention.As previously mentioned, when described control treatment circuit 13 is judged in Preset Time without entering described park mode to save power consumption when contact panel 11 described in any finger touches.Under described park mode, described control treatment circuit 13 input drive signal Sd are to the whole of described contact panel 11 or part detecting unit 111 and only read the partly measurement data of described detecting unit 111, in the time that described control treatment circuit 13 judges that at least one detecting unit 111 detects touch event, control described capacitive touch device 1 and get back to normal mode.
Fig. 3 A and Fig. 3 B show that described treatment circuit processed 13 reads the Bu Tong measurement data of the described detecting unit 111 of part during consecutive frame, for example, read respectively different detecting unit 111 m image duration and (m ± 1) image duration.Whereby, in the time that touch event only betides single detecting unit 111, can avoid finishing the situation of park mode.For example, Fig. 3 A shows that the described detecting unit 111 of part that described control treatment circuit 13 reads is draughtboard pattern; Fig. 3 B shows the described detecting unit 111 that part that described control treatment circuit 13 reads is non-conterminous row.Should be noted that, as long as having obtained at least two adjacent image durations all detecting units 111, described control treatment circuit 13 is not limited to shown in Fig. 3 A and Fig. 3 B in the distribution of the described detecting unit 111 of part that read each image duration, and the part that for example described control treatment circuit 13 reads also can be the described detecting unit 111 of non-conterminous row.In the present invention, during referring to that described control treatment circuit 13 has scanned described in all or part detecting unit 111 and once reported (report) described image duration.
In the present invention, described control treatment circuit 13 can be further reads the measurement data of described detecting unit 111 at described normal mode or described park mode with identical or different number of samples.
In one embodiment, under normal mode, described control treatment circuit 13 can read the measurement data of all described detecting units 111, and relatively reports touch event or touch coordinate each image duration.Please refer to shown in Fig. 4, it shows that the capacitive touch device 1 of the embodiment of the present invention is at the schematic diagram of normal mode; In another embodiment, under normal mode described control treatment circuit 13 can read the described detecting unit 111 of first part 111a all detecting units 111 measurement data and read the measurement data of part detecting unit 111 of the described detecting unit 111 of the second part 111b; Wherein, described Part I 111a is for example for example in described contact panel 11 for described the second part 111b of preset range around touch points Tc, all or part of detecting unit 111 beyond described Part I 111a; Whereby, because described control treatment circuit 13 can only read the measurement data of the part detecting unit 111 beyond described first part 111a, therefore can under normal mode, carry out power saving, i.e. part park mode.
In sum, in the present invention, can be by making described control treatment circuit 13 only read the partly measurement data of detecting unit 111 in park mode or part park mode, to save power consumption.
Please refer to shown in Fig. 5, it shows the running schematic diagram of the capacitive touch device of first embodiment of the invention.In the present embodiment, under normal mode, described control treatment circuit 13 is with the first number of samples SN
1read described detecting unit 111
1-111
nmeasurement data; Under park mode, described control treatment circuit 13 is with the second number of samples SN
2read described detecting unit 111
1-111
nmeasurement data, with under described park mode save power consumption; Wherein, described the second number of samples SN
2lower than described the first number of samples SN
1.In the present embodiment, described control treatment circuit 13 reads multiple measurement data of each detecting unit 111 all the time with identical sample frequency (samplingfrequency).
Fig. 5 A shows the operation chart under normal mode.In the time that described control treatment circuit 13 judgements exist at least one finger to touch described contact panel 11 (as the normal mode of the 7th figure), described control treatment circuit 13 reads each detecting unit 111 with described sample frequency
1-111
nthe first number of samples SN
1measurement data; Wherein, described the first number of samples SN
1for example can be 128, but not as limit.In image duration, described control treatment circuit 13 has scanned all detecting units 111 and has reported touch information.
Fig. 5 B and Fig. 5 C show the operation chart under park mode.In the time that described control treatment circuit 13 judges that Preset Time touches described contact panel 11 without any finger (as the park mode of the 7th figure), described control treatment circuit 13 reads each detecting unit 111 with described sample frequency
1-111
nthe second number of samples SN
2measurement data; Wherein, described the second number of samples SN
2for example can be 64 or 32, but not as limit.In the present embodiment, because described normal mode and described park mode all have identical image duration, under described park mode, described control treatment circuit 13 enters idle state after having read the measurement data of described the second number of samples; For example, Fig. 5 B shows that described control treatment circuit 13 is readable and takes all detecting units 111
1-111
nmeasurement data after just enter idle state; Fig. 5 C shows after described control treatment circuit 13 can read the measurement data of each detecting unit 111 and enters idle state.Because described control treatment circuit 13 reads the measurement data of less number of samples with identical sample frequency, for example, therefore input described driving signal Sd and read the time shorten of described measurement data Sm, and can save each image duration power consumption (carrying out power saving between the lay-up period in Fig. 5 B and Fig. 5 C).
In another embodiment, under described park mode, described control treatment circuit 13 can be with described the second number of samples SN
2the measurement data that only reads the described detecting unit 111 of part, hatched example areas as shown in Figure 3 A and Figure 3 B, further to improve power saving effect.In like manner, under described park mode, described control treatment circuit 13 during consecutive frame with described the second number of samples SN
2read the measurement data of the described detecting unit 111 of different parts.
In details of the words,, in the first embodiment, the measurement data that described control treatment circuit 13 can lower number of samples reads all or part detecting unit 111 under park mode, to determine touch information, reaches the object of saving power consumption whereby.
Fig. 5 D and Fig. 5 E show another operation chart (being part park mode) under normal mode.In the time that 13 judgements of described control treatment circuit exist at least one finger to touch described contact panel 11, enter normal mode, but now described control treatment circuit 13 reads the first number of samples SN described in the described detecting unit 111 of first part 111a with described sample frequency
1measurement data (for example detecting unit 111
3with 111
4) and with described sample frequency read second part 111b described detecting unit 111 second number of samples SN
2measurement data (for example detecting unit 111
3with 111
4detecting unit in addition), also can reach the object of saving power consumption under normal mode.In the present embodiment, described first part 111a be touch points Tc around preset range and described the second part 111b is for example part park mode of the 7th figure of detecting unit 111(beyond described first part 111a).In the present embodiment, because described normal mode and described part park mode all have identical image duration, in the time reading the measurement data of described detecting unit 111 of described the second part 111b of described detecting unit 111, described control treatment circuit 13 has read described the second number of samples SN
2described measurement data after enter idle state; For example, Fig. 5 D just enters idle state after showing the readable measurement data that takes all detecting units 111 of described control treatment circuit 13; Fig. 5 E shows that described control treatment circuit 13 can read measurement data (for example detecting unit 111 of the each detecting unit 111 in described the second part 111b
3with 111
4detecting unit in addition) after enter idle state and (for example detecting unit 111 after reading the measurement data of the detecting unit 111 in described first part 111a
3with 111
4) there is no an idle state.
In another embodiment, described control treatment circuit 13 can be divided into three parts by described contact panel 11 and read with different number of samples respectively multiple measurement data of described detecting unit, for example, in another part park mode of Fig. 7, described control treatment circuit 13 is with described the first number of samples SN
1read the measurement data of the described detecting unit 111 of first part 111a, with described the second number of samples SN
2read second part 111b described detecting unit 111 measurement data and with the 3rd number of samples SN
3read the measurement data of the described detecting unit 111 of the 3rd part 111c; Wherein, described the 3rd number of samples SN
3can be between described the first number of samples SN
1with described the second number of samples SN
2between, and described the 3rd part 111c is better between between described Part I 111a and described the second part 111b.Whereby, when pointing in the time shifting out outside described Part I 111a next image duration, described control treatment circuit 13 can more immediately detect touch event; Wherein, described the 3rd part 111c can suitably select according to different embodiment.
Please refer to shown in Fig. 6, it shows the running schematic diagram of the capacitive touch device of second embodiment of the invention.In the present embodiment, under normal mode described control treatment circuit 13 the first image duration with the first number of samples SN
1read under the measurement data of described detecting unit 111 and park mode described control treatment circuit 13 the second image duration with the second number of samples SN
2read the measurement data of described detecting unit 111; Wherein, described the second number of samples SN
2lower than described the first number of samples SN
1and be shorter than described the first image duration described the second image duration.In the present embodiment, described control treatment circuit 13 reads multiple measurement data of each detecting unit 111 such as grade and does not comprise idle state each image duration with identical sample frequency equally all the time.
Fig. 6 A shows the operation chart under normal mode, and the normal mode of the present embodiment is identical with Fig. 5 A, therefore repeat no more in this.
Fig. 6 B shows the operation chart under park mode.In the time that described control treatment circuit 13 judges that Preset Time touches described contact panel 11 without any finger, described control treatment circuit 13 reads each detecting unit 111 with described sample frequency
1-111
nthe second number of samples SN
2measurement data.Be with the difference of the first embodiment, under park mode, because described control treatment circuit 13 changes the measurement data that reads described detecting unit 111 with lower number of samples, therefore can shorten frame time and detect instantaneity to increase; For example, after the second frame end of Fig. 6 B, with regard to directly entering another second frame, described the second frame does not comprise standby time; Whereby, can under identical power consumption, increase the instantaneity that detects touching for the first time to finish park mode.
In another embodiment, under described park mode, described control treatment circuit 13 also can be with described the second number of samples SN
2the measurement data that only reads the described detecting unit 111 of part, the hatched example areas as shown in Fig. 3 A and 3B, further to improve power saving effect.In like manner, under described park mode, described control treatment circuit 13 can be with described the second number of samples SN in the second adjacent image duration
2read the measurement data of the described detecting unit 111 of different parts.
In details of the words,, in the second embodiment, the measurement data that described control treatment circuit 13 can read all or part detecting unit 111 with lower number of samples under park mode, to determine touch information, shortens the reaction time that finishes park mode whereby.
Fig. 6 C shows another operation chart (being under part park mode) of normal mode.In the time that 13 judgements of described control treatment circuit exist at least one finger to touch described contact panel 11, enter normal mode, however now described control treatment circuit 13 the 3rd image duration with described the first number of samples SN
1read measurement data (for example detecting unit 111 of the described detecting unit 111 of first part 111a
3with 111
4) and with described the second number of samples SN
2read measurement data (for example detecting unit 111 of the described detecting unit 111 of the second part 111b
3with 111
4detecting unit in addition), also can reach the object of saving power consumption under normal mode; Wherein, because described control treatment circuit 13 reads measurement data in the subregion of described contact panel 11 with lower number of samples, be shorter than described the first image duration and be longer than described the second image duration described the 3rd image duration.In like manner, in the present embodiment, described first part 111a can be preset range around of touch points Tc and described the second part 111b can be whole beyond described first part 111a or detecting unit 111 partly.In like manner, detecting unit 111 described in the present embodiment
1-111
nalso can be divided into three above parts and read different portions measurement data partly with different number of samples respectively.In addition,, in the present invention explanation, described touch points Tc for example can be the indicant coordinate that the scanning of a front image duration obtains; Wherein, can operate in normal mode of the present invention, park mode or part park mode a described front image duration.The better storage element that comprises of described capacitive touch device 1 is in order to store described indicant coordinate.
Should be noted that, although various embodiments of the present invention are to hold mutually formula capacitance sensing apparatus to illustrate as an example, but the present invention also can be used for other touch sensing devices, such as self-tolerant capacitance sensing apparatus, resistance-type sensing apparatus, optical profile type sensing apparatus etc. can be contained on the sensing apparatus of the main operating area of touch-control system.For example, in embedded optics sensing apparatus, also can carry out sensitization according to the near-infrafed photodiodes that reduces the time shutter of the corresponding near-infrafed photodiodes of each photosensitive unit (cell) (photodiode) or alternately switch the part photosensitive unit of contact panel, reach the power saving object that is similar to the embodiment of the present invention.
In sum, known capacitance formula contact panel is to carry out power saving by changing sweep frequency, but has the problem that reduces reaction sensitivity.Therefore, the present invention also provides a kind of capacitive touch device (Fig. 1 and Fig. 2), and it is under park mode and under normal mode, all can reduce the entirety power consumption of contact panel, and can not postpone to detect the detection time that touching occurs for the first time.
Although the present invention discloses by previous examples, it is not in order to limit the present invention, any technician in the technical field of the invention with common knowledge, without departing from the spirit and scope of the present invention, when doing various changes and amendment.Therefore the scope that protection scope of the present invention ought define depending on accompanying claim is as the criterion.
Claims (20)
1. a capacitive touch device, this capacitive touch device comprises:
Contact panel, multiple detecting units that Cover matrix is arranged; And
Control treatment circuit, also read measurement data from described detecting unit successively in order to input drive signal to the described detecting unit of described contact panel; Wherein, described control treatment circuit reads the described measurement data of described detecting unit and described control treatment circuit and reads with the second number of samples under park mode the described measurement data of described detecting unit under normal mode with the first number of samples, described the second number of samples is lower than described the first number of samples.
2. capacitive touch device according to claim 1, wherein said control treatment circuit all reads described measurement data with identical sample frequency under described normal mode and described park mode; Described control treatment circuit enters idle state read the described measurement data of described the second number of samples under described park mode after.
3. capacitive touch device according to claim 1 and 2, wherein said control treatment circuit reads the measurement data of first part detecting unit with described the first number of samples and reads the measurement data of the second part detecting unit with described the second number of samples under described normal mode.
4. capacitive touch device according to claim 3, wherein said first part is touch points preset range around.
5. capacitive touch device according to claim 4, wherein said the second part is the whole or part detecting unit beyond described first part.
6. capacitive touch device according to claim 3, wherein, in the time reading the measurement data of described the second part detecting unit of described detecting unit, described control treatment circuit enters idle state after having read the described measurement data of described the second number of samples.
7. capacitive touch device according to claim 1 and 2, wherein said control treatment circuit only reads the measurement data of the described detecting unit of part under described park mode with described the second number of samples.
8. capacitive touch device according to claim 6, wherein said control treatment circuit reads the measurement data of the detecting unit of different parts during consecutive frame with described the second number of samples.
9. capacitive touch device according to claim 1 and 2, wherein said normal mode and described park mode have identical image duration.
10. a capacitive touch device, this capacitive touch device comprises:
Contact panel, multiple detecting units that Cover matrix is arranged; And
Control treatment circuit, in order to input drive signal to the described detecting unit of described contact panel and read successively measurement data from described detecting unit; Wherein said control treatment circuit reads the described measurement data of described detecting unit and described control treatment circuit and reads with the second number of samples in the second image duration under park mode the described measurement data of described detecting unit under normal mode with the first number of samples in the first image duration, described the second number of samples is lower than described the first number of samples and be shorter than described the first image duration described the second image duration.
11. capacitive touch devices according to claim 10, wherein said control treatment circuit reads the measurement data of first part detecting unit in the 3rd image duration with described the first number of samples and reads the measurement data of the second part detecting unit with described the second number of samples under described normal mode, is shorter than described the first image duration described the 3rd image duration.
12. capacitive touch devices according to claim 11, wherein said first part is touch points preset range around.
13. capacitive touch devices according to claim 12, wherein said the second part is the whole or part detecting unit beyond described first part.
14. capacitive touch devices according to claim 10, wherein said control treatment circuit only reads the measurement data of part detecting unit under described park mode with described the second number of samples.
15. capacitive touch devices according to claim 14, wherein said control treatment circuit reads the measurement data of the detecting unit of different parts with described the second number of samples in the second adjacent image duration.
16. 1 kinds of capacitive touch devices, this capacitive touch device comprises:
Contact panel, multiple detecting units that Cover matrix is arranged; And
Control treatment circuit, also read measurement data from described detecting unit successively in order to input drive signal to the described detecting unit of described contact panel; Wherein, described control treatment circuit only reads the measurement data of part detecting unit under park mode.
17. capacitive touch devices according to claim 16, wherein said control treatment circuit reads the measurement data of the detecting unit of different parts during consecutive frame.
18. according to the capacitive touch device described in claim 16 or 17, and the part detecting unit that wherein said control treatment circuit reads is draughtboard pattern or the detecting unit for non-conterminous row or non-conterminous row.
19. capacitive touch devices according to claim 16, wherein said control treatment circuit reads the measurement data of all detecting units under normal mode, or read the measurement data of all detecting units in first part detecting unit and read second part detecting unit in part detecting unit measurement data.
20. capacitive touch devices according to claim 19, wherein said first part is touch points preset range around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085351.2A CN104063096B (en) | 2013-03-18 | 2013-03-18 | Capacitive touch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085351.2A CN104063096B (en) | 2013-03-18 | 2013-03-18 | Capacitive touch control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104063096A true CN104063096A (en) | 2014-09-24 |
| CN104063096B CN104063096B (en) | 2017-05-24 |
Family
ID=51550838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310085351.2A Expired - Fee Related CN104063096B (en) | 2013-03-18 | 2013-03-18 | Capacitive touch control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104063096B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106951114A (en) * | 2016-01-07 | 2017-07-14 | 北京小米移动软件有限公司 | Scan control method and device, electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4770889B2 (en) * | 2008-08-01 | 2011-09-14 | ソニー株式会社 | Touch panel and operation method thereof, electronic device and operation method thereof |
| WO2010098199A1 (en) * | 2009-02-27 | 2010-09-02 | ソニー株式会社 | Display device, touch panel, and electronic equipment |
| US9069405B2 (en) * | 2009-07-28 | 2015-06-30 | Cypress Semiconductor Corporation | Dynamic mode switching for fast touch response |
-
2013
- 2013-03-18 CN CN201310085351.2A patent/CN104063096B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106951114A (en) * | 2016-01-07 | 2017-07-14 | 北京小米移动软件有限公司 | Scan control method and device, electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104063096B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8723827B2 (en) | Predictive touch surface scanning | |
| CN103034358B (en) | The touch-surface scanning of prediction type | |
| US20180107334A1 (en) | Capacitive touch device, and controlling and processing circuit thereof | |
| CN102576278B (en) | Dynamic mode for quick touch response switches | |
| CN203465699U (en) | Capacitor sensing system using half-period discontinuous integral | |
| CN103049125B (en) | The method of the touch sensor of electronic installation and drive electronics | |
| US9092098B2 (en) | Method and apparatus to improve noise immunity of a touch sense array | |
| CN103197817A (en) | Fast touch detection in a mutual capacitive touch system | |
| CN104699288B (en) | Electronic device and noise detection and operation mode setting method thereof | |
| WO2013032798A1 (en) | Techniques for capacitive touch screen control | |
| EP2808769A1 (en) | Capacitive touch input device | |
| CN104898907B (en) | Semiconductor device and electronic equipment | |
| CN104662488A (en) | Methods and apparatus to detect a touch pattern | |
| CN101639750A (en) | Touch panel and method for operating the same, and electronic apparatus and method for operating the same | |
| CN104898908A (en) | Semiconductor device | |
| CN104641325B (en) | The improvement of touch sensitive dis-play | |
| CN106462310B (en) | The method of the touch point of touch chip and touch chip detection touch screen | |
| US8810546B1 (en) | Touchscreen panel frequency response determination | |
| CN108376032A (en) | Calculating power using the capacitive touch sensing unit of keypad electrode crosstalk reduces | |
| CN104063096A (en) | Capacitive touch control device | |
| US9170322B1 (en) | Method and apparatus for automating noise reduction tuning in real time | |
| CN102236450B (en) | Method for scanning touch panel | |
| CN103226402A (en) | Adaptive Sensing Device | |
| CN108319393A (en) | Optical touch system | |
| CN204044838U (en) | Fingerprint identification unit and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20190318 |