CN201281846Y - Electronic device - Google Patents
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- CN201281846Y CN201281846Y CNU2008201757470U CN200820175747U CN201281846Y CN 201281846 Y CN201281846 Y CN 201281846Y CN U2008201757470 U CNU2008201757470 U CN U2008201757470U CN 200820175747 U CN200820175747 U CN 200820175747U CN 201281846 Y CN201281846 Y CN 201281846Y
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- 238000013500 data storage Methods 0.000 claims description 17
- 230000003213 activating effect Effects 0.000 claims description 7
- 239000012190 activator Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims 2
- 230000036316 preload Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 29
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型是一种电子装置，其包含噪声记录器以及噪声过滤器。噪声记录器可根据参考信号的周期时间中的噪声发生期间，预载参考数据。噪声过滤器可在主系统周期性地产生参考信号时，根据参考数据，于噪声发生期间内，关闭触感测器。
The utility model is an electronic device, which includes a noise recorder and a noise filter. The noise recorder can preload reference data according to the noise occurrence period in the cycle time of the reference signal. The noise filter can turn off the touch sensor according to the reference data during the noise occurrence period when the main system periodically generates the reference signal.
Description
Technical field
The utility model is relevant for a kind of electronic installation, and particularly a kind of antinoise electronic installation that is applicable to capacitance touch control screen.
Background technology
The application of Touch Screen is very extensive, for example ATM (Automatic Teller Machine), point-of-sale terminals, industrial control system etc.Because this interface is easy to use, durable in use, so market is also in growth.
The Touch Screen of main flow can be divided into two kinds at present: resistance touch screen and capacitance touch control screen.Resistance touch screen will produce voltage with finger or other contact flicking.Capacitance touch control screen can be drawn finger and go up small electric current (Trackpad that is usually used in notebook computer).And the capacitance touch control screen biggest advantage is responded to acumen exactly, and reaction user's that can be loyal intuition is controlled.
Yet capacitance touch control screen adopted touches sensor (touch sensor), can be subjected to the noise (noise interference) of main system, causes the induction deviation of touching sensor.Therefore, industry leads a kind of new electronic installation of expectation invariably, can avoid the noise of main system.
The utility model content
The purpose of this utility model provides a kind of electronic installation, can avoid the noise of main system.
According to the utility model a kind of electronic installation on the one hand, comprise measuring signal device, noise analyzer, data storage and noise filter.The measuring signal device can measure reference signal when main system produces reference signal.Noise analyzer can be found out at least one noise between the emergence period in the cycle length of reference signal.In noise was between the emergence period, main system can cause noise to touching sensor.Data storage can store reference data according to the noise in the cycle length of reference signal between the emergence period.Noise filter can according to reference data, in noise is between the emergence period, is closed and touch sensor when main system produces reference signal.
By this, in noise is between the emergence period, will touches sensor and close, can avoid the noise of main system.
According to the utility model a kind of electronic installation on the other hand, comprise noise files device and noise filter.The noise files device can be according to the noise in the cycle length of reference signal between the emergence period, the preload reference data.Noise filter can be worked as when main system periodically produces reference signal, according to reference data, in noise is between the emergence period, closes and touches sensor.
By this, in noise is between the emergence period, will touches sensor and close, can avoid the noise of main system.
According to a kind of electronic installation of the another aspect of the utility model, comprise and touch sensor, noise files device and noise filter.Touch sensor and can periodically produce touching signals, wherein the cycle length of touching signals is less than the cycle length of reference signal.The noise files device can be according to the touching signals that is subjected to the main system noise in the cycle length of reference signal, preload reference data.Noise filter can according to reference data, reduce the level of the touching signals that is subjected to the main system noise when main system periodically produces reference signal.
The level of the touching signals by reducing noise means and can the touching signals of noise do not taken a sample.So, can avoid the noise of main system.
Technique scheme of the present utility model has tangible advantage and beneficial effect compared with prior art.By technique scheme, the utility model can reach suitable technical progress and practicality, and has the extensive value on the industry, and it has following advantage at least:
(1) do not need to add again extra shield assembly, to save cost.
(2) need not be specially with the noise source ground connection of main system, to avoid the problem of circuit arrangement inconvenience.
(3) electronic installation of the present utility model can be directly adjacent with the noise source of main system, uses to have more elasticity.
In sum, the electronic installation of the utility model novelty has the characteristics of the noise of preventing, and this electronic installation can be used in capacitance touch control screen or other similar sport technique segment.The utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing antinoise element has the outstanding multinomial effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Description of drawings
Below will be described in detail preferred embodiment of the present invention, and provide further explanation the utility model with conjunction with figs., wherein:
Fig. 1 is the functional block diagram according to a kind of electronic installation of the utility model one embodiment.
Fig. 2 is the sequential chart of multiple signal.
Fig. 3 is the functional block diagram according to a kind of electronic installation of another embodiment of the utility model.
Fig. 4 is the functional block diagram of the noise files device 310 of Fig. 3.
Fig. 5 is according to the utility model functional block diagram of a kind of electronic installation of an embodiment again.
Fig. 6 is the functional block diagram of the noise filter 530 of Fig. 4.
Fig. 7 is the functional block diagram of the noise files device 520 of Fig. 4.
Embodiment
In order to make narration of the present utility model more detailed and complete, can be with reference to following accompanying drawing and various embodiment, label identical in the accompanying drawing is represented components identical.On the other hand, well-known electronic component is not described among the embodiment, with the restriction of avoiding causing the utility model unnecessary.
Technology aspect of the present utility model is a kind of electronic installation, can prevent the noise of main system effectively.This electronic installation also can be used in similar sport technique segment widely not only applicable to capacitance touch control screen.Below will arrange in pairs or groups Fig. 1, Fig. 2 specifies the embodiment of this electronic installation.
Please refer to Fig. 1, Fig. 1 is the functional block diagram according to a kind of electronic installation of the utility model one embodiment.As shown in the figure, electronic installation 100 comprises measuring signal device 110, noise analyzer 120, data storage 130 and noise filter 140.
In the present embodiment, measuring signal device 110 can measure reference signal when main system 170 produces reference signal.Noise analyzer 120 can be found out at least one noise between the emergence period in the cycle length of reference signal.In noise was between the emergence period, main system 170 can cause noise to touching sensor 160.Data storage 130 can between the emergence period, store into reference data according to the noise in the cycle length of reference signal.Noise filter 140 can according to reference data, in noise is between the emergence period, is closed and touch sensor 160 when main system 170 produces reference signal.
So, when being subjected to the noise of main system 170, can closing and touch sensor 160.That is touch 160 of sensors and do not produce touching signals.In addition, generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
Please continue with reference to Fig. 1.As shown in the figure, electronic installation 100 also can comprise sensing activator appliance 150.
In the present embodiment, sensing activator appliance 150 can according to reference data, the time beyond noise is between the emergence period, activate and touch sensor 160 when main system 170 produces reference signal.
So, when not being subjected to the noise of main system 170, can activating and touch sensor 160.That is touch sensor 160 and can periodically produce touching signals.In addition, generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
It is more clear for above-mentioned reference signal, noise are described between the emergence period etc. to the greatest extent with complete.Please be simultaneously with reference to Fig. 1, Fig. 2, Fig. 2 is the sequential chart of multiple signal.In the present embodiment, main system 170 can be Touch Screen.Reference signal 210 is vertical scanning input (VSYNC) signal or horizontal scanning input (HSYNC) signals of Touch Screen.When the leading edge of reference signal 210 and trailing edge take place, be noise between the emergence period 212, therefore close and touch sensor 160, touch sensor 160 and do not produce touching signals 214 in 212 between the emergence period at noise; Noise is the time beyond 212 between the emergence period, then activates and touch sensor 160, touch sensor 160 noise between the emergence period time beyond 212 produce touching signals 214.
In addition, please continue with reference to Fig. 1, Fig. 2, in the present embodiment, main system 170 can be power circuit.Reference signal 220 is pulse wave width modulation (PWM) signals of power circuit.When the square wave of reference signal 210 produces, be noise between the emergence period 222, therefore close and touch sensor 160, touch sensor 160 and do not produce touching signals 224 in 222 between the emergence period at noise; Noise is the time beyond 222 between the emergence period, then activates and touch sensor 160, touch sensor 160 noise between the emergence period time beyond 222 produce touching signals 224.
Because the electronic installation of the utility model technology aspect, it is a kind of important antinoise element.Therefore, Fig. 3-Fig. 7 that below will arrange in pairs or groups illustrates the various enforcement aspects of this electronic installation with other embodiment.
Please refer to Fig. 3, Fig. 3 is the functional block diagram according to a kind of electronic installation of another embodiment of the utility model.As shown in the figure, electronic installation 300 comprises noise files device 310 and noise filter 320.
In the present embodiment, noise files device 310 can be according to the noise in the cycle length of reference signal between the emergence period, the preload reference data.Noise filter 320 can be worked as when main system 170 periodically produces reference signal, according to reference data, in noise is between the emergence period, closes and touches sensor 160.
So, when being subjected to the noise of main system 170, can closing and touch sensor 160.That is touch 160 of sensors and do not produce touching signals.In addition, generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
Please continue with reference to Fig. 3.As shown in the figure, electronic installation 300 also can comprise sensing activator appliance 350.
In the present embodiment, sensing activator appliance 350 can according to reference data, the time beyond noise is between the emergence period, activate and touch sensor 160 when main system 170 produces reference signal.
So, when not being subjected to the noise of main system 170, can activating and touch sensor 160.That is touch sensor 160 and can periodically produce touching signals.In addition, generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
Use up with complete for the description that makes above-mentioned noise files device 310 is more clear.Please refer to Fig. 4, Fig. 4 is the functional block diagram of the noise files device 310 of Fig. 3.As shown in the figure, noise files device 310 can comprise measuring signal module 312, noise analysis module 314 and data storage module 316.
In the present embodiment, measuring signal module 312 can measure reference signal when main system 170 produces reference signal.Noise analysis module 314 can be found out at least one noise between the emergence period in the cycle length of reference signal.In noise was between the emergence period, main system 170 can cause noise to touching sensor 160.Data storage module 316 can store reference data according to the noise in the cycle length of reference signal between the emergence period.
So, noise files device 310 can become reference data with noise emergence period interocclusal record in advance.By this, electronic installation 300 can be according to reference data, prevents that 170 pairs of main systems from touching sensor 160 and causing noise.
Data storage module 316 can be storer or other memory element.Those who familiarize themselves with the technology should look actual needs, and elasticity is selected the embodiment of data storage module 316.
Please refer to Fig. 5, Fig. 5 is according to the utility model functional block diagram of a kind of electronic installation of an embodiment again.As shown in the figure, electronic installation 500 comprises and touches sensor 510, noise files device 520 and noise filter 530.
In the present embodiment, touch sensor 510 and can periodically produce touching signals, wherein the cycle length of touching signals is less than the cycle length of reference signal.Noise files device 520 can be according at least one touching signals that is subjected to main system 170 noise in the cycle length of reference signal, and preload is a reference data.Noise filter 530 can according to reference data, reduce the level of the touching signals that is subjected to noise when main system 170 periodically produces reference signal.
So, when being subjected to the noise of main system 170, noise filter 530 can reduce the level that touches the touching signals of sensor 510, and the weight that also is about to the touching signals of sense of touch survey device 510 drags down.In other words, noise filter 530 also can be closed touching sensor 510, then touches sensor 510 and does not produce touching signals (level is zero).Generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
Use up with complete for the description that makes above-mentioned noise filter 530 is more clear.Please refer to Fig. 6, Fig. 6 is the functional block diagram of the noise filter 530 of Fig. 4.As shown in the figure, noise filter 530 comprises sensing closing module 532 and sensing active module 534.
In the present embodiment, sensing closing module 532 can according to reference data, when touching signals is subjected to main system 170 noise, is closed and touch sensor 510 when main system 170 periodically produce reference signal.Sensing active module 534 can according to reference data, when touching signals is not subjected to main system 170 noise, activates and touch sensor 510 when main system 170 produces reference signal.
So, when being subjected to the noise of main system 170, can closing and touch sensor 510.That is touch 510 of sensors and do not produce touching signals; When not being subjected to the noise of main system 170, can activating and touch sensor 510.That is touch 510 of sensors and produce touching signals.In addition, generally speaking, the cycle length of touching signals is less than the cycle length of reference signal.
On the other hand, more clear for the description that makes above-mentioned noise files device 520 to the greatest extent with complete.Please refer to Fig. 7, Fig. 7 is the functional block diagram of the noise files device 520 of Fig. 4.As shown in the figure, noise files device 520 can comprise measuring signal module 522, noise analysis module 524 and data storage module 526.
In the present embodiment, measuring signal module 522 can measure reference signal when main system 170 produces reference signal.Noise analysis module 524 can be found out the touching signals that is subjected to main system 170 noise in the cycle length of reference signal.Data storage module 526 can store reference data according to the touching signals that is subjected to main system 170 noise in the cycle length of reference signal.
So, noise files device 520 can become reference data with noise emergence period interocclusal record in advance.By this, electronic installation 500 can be according to reference data, prevents that 170 pairs of main systems from touching sensor 160 and causing noise.
Data storage module 526 can be storer or other memory element.Those who familiarize themselves with the technology should look actual needs, and elasticity is selected the embodiment of data storage module 526.
Though the utility model discloses as above with embodiment; yet it is not in order to limit the utility model; anyly have the knack of this operator; in not breaking away from spirit and scope of the present utility model; when can doing various changes that are equal to or replacement, therefore protection domain of the present utility model is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201757470U CN201281846Y (en) | 2008-10-22 | 2008-10-22 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201757470U CN201281846Y (en) | 2008-10-22 | 2008-10-22 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281846Y true CN201281846Y (en) | 2009-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201757470U Expired - Fee Related CN201281846Y (en) | 2008-10-22 | 2008-10-22 | Electronic device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609162A (en) * | 2012-02-15 | 2012-07-25 | 华映光电股份有限公司 | Touch panel and signal processing method thereof |
| CN102844669A (en) * | 2010-08-24 | 2012-12-26 | 赛普拉斯半导体公司 | Noise suppression circuits and methods for capacitance sensing systems |
| CN102880347A (en) * | 2012-09-20 | 2013-01-16 | 敦泰科技有限公司 | Touch screen equipment and processing method of touch screen equipment |
| CN102934061A (en) * | 2011-02-02 | 2013-02-13 | 赛普拉斯半导体公司 | Noise filtering devices, systems and methods for capacitance sensing devices |
| CN104156096A (en) * | 2013-05-14 | 2014-11-19 | 宸鸿光电科技股份有限公司 | Touch screen control system and its signal processing circuit and method |
| US9444452B2 (en) | 2012-02-24 | 2016-09-13 | Parade Technologies, Ltd. | Frequency hopping algorithm for capacitance sensing devices |
| CN107831955A (en) * | 2009-08-25 | 2018-03-23 | 原相科技股份有限公司 | The method of noise robustness and navigation performance in improvement mutual capacitance measuring device |
-
2008
- 2008-10-22 CN CNU2008201757470U patent/CN201281846Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831955B (en) * | 2009-08-25 | 2021-01-15 | 原相科技股份有限公司 | Method for improving noise robustness and navigation performance in mutual capacitance sensing device |
| CN107831955A (en) * | 2009-08-25 | 2018-03-23 | 原相科技股份有限公司 | The method of noise robustness and navigation performance in improvement mutual capacitance measuring device |
| CN102844669B (en) * | 2010-08-24 | 2016-06-15 | 赛普拉斯半导体公司 | Noise suppression circuit and method for capacitive sensing system |
| CN102844669A (en) * | 2010-08-24 | 2012-12-26 | 赛普拉斯半导体公司 | Noise suppression circuits and methods for capacitance sensing systems |
| CN102934061A (en) * | 2011-02-02 | 2013-02-13 | 赛普拉斯半导体公司 | Noise filtering devices, systems and methods for capacitance sensing devices |
| CN102934061B (en) * | 2011-02-07 | 2016-11-09 | 谱瑞科技股份有限公司 | Noise filter means, system and method for capacitance sensing apparatus |
| US9841840B2 (en) | 2011-02-07 | 2017-12-12 | Parade Technologies, Ltd. | Noise filtering devices, systems and methods for capacitance sensing devices |
| CN102609162A (en) * | 2012-02-15 | 2012-07-25 | 华映光电股份有限公司 | Touch panel and signal processing method thereof |
| US9444452B2 (en) | 2012-02-24 | 2016-09-13 | Parade Technologies, Ltd. | Frequency hopping algorithm for capacitance sensing devices |
| US9164634B2 (en) | 2012-09-20 | 2015-10-20 | Focaltech Systems, Ltd. | Touch screen apparatus and processing method thereof |
| CN102880347B (en) * | 2012-09-20 | 2016-11-02 | 敦泰科技有限公司 | A kind of touch panel device and processing method thereof |
| CN102880347A (en) * | 2012-09-20 | 2013-01-16 | 敦泰科技有限公司 | Touch screen equipment and processing method of touch screen equipment |
| CN104156096A (en) * | 2013-05-14 | 2014-11-19 | 宸鸿光电科技股份有限公司 | Touch screen control system and its signal processing circuit and method |
| CN104156096B (en) * | 2013-05-14 | 2018-01-26 | 宸鸿光电科技股份有限公司 | Touch screen control system and signal processing circuit and method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20121022 |