CN105094275B - Touch-control system with electricity-saving mechanism - Google Patents
Touch-control system with electricity-saving mechanism Download PDFInfo
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- CN105094275B CN105094275B CN201510340032.0A CN201510340032A CN105094275B CN 105094275 B CN105094275 B CN 105094275B CN 201510340032 A CN201510340032 A CN 201510340032A CN 105094275 B CN105094275 B CN 105094275B
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Abstract
A kind of touch-control system with electricity-saving mechanism, touch-control system include sensing module and are electrically connected at the processing module of sensing module.Wherein, processing module is according to the predetermined function of processing module, the working frequency and/or operating voltage of modulation process module, to reduce the working power of processing module.Using such a touch-control system in electronic installation, working frequency and/or operating voltage that dynamic adjusts processing module are not only can be used to, more can judge meet the working frequency and/or operating voltage of output frequency by the input of system, the effect of to increase system power saving.
Description
It is November 24, the application for a patent for invention of Application No. 201010569267.4 in 2010 applying date that the application, which is,
《Touch-control system and optical touch control system with electricity-saving mechanism》Divisional application.
Technical field
The present invention relates to a kind of touch-control system and optical touch control system with electricity-saving mechanism, particularly one kind can be adjusted dynamically
The touch-control system and optical touch control system of the working power of whole processing module.
Background technology
With advancing by leaps and bounds for electronics technology, computer equipment is gradually evolved into by desktop PC and can carried with
Mobile computer, wherein the display of mobile computer is (such as：Screen) and by traditional cathode-ray tube
(Cathode ray tube, CRT), advance to LCD Panel (Liquid Crystal Display, LCD), or even light
Learn Touch Screen (Optical Touch Monitor, OTM).Its by the use of contact panel as computer equipment and user it
Between communication interface, make user be not required to additionally by input units such as keyboard or mouses on the premise of, you can directly pass through
Finger touches screen, to reach the purpose of control electronic product operation.
In recent years, as environmental consciousness comes back, and computerized information product is weeded out the old and bring forth the new, the idea of green product by
Gradually have influence on the design concept of all computerized information products.Wherein, the energy-saving of contact panel is naturally also by suitable weight
Depending on.In general, save power consumption has subsidiary benefit simultaneously, including：Can extend portable electronic devices it is standby when
Between, therefore user is able to be not required to so promote convenience during use to charge electronic devices often.
In general common touch-control system, when the number of touch point is more, the algorithm complex corresponding to it
(complexity) also more beneficial complexity.Therefore, it is however generally that, in order to meet the output frequency of system (Report Rate), if
Meter person must assure that the processor of operation algorithm, and its operation frequency/voltage can meet the algorithm of maximum complexity, in the case,
It is identical when typically resulting in power consumption of the system in low touch point still with multi-touch.Therefore it is many unnecessary not only to consume
Waste of energy, the system that also results in continue electric power the problems such as can not extending, thus trigger and many use upper inconvenience.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of touch-control system with electricity-saving function and optical touch system
System, to solve the problems, such as that prior art is present.
To achieve these goals, the invention provides a kind of touch-control system, there is an at least touch area, touch-control system
Including：One sensing module and a processing module.Wherein, at least denoted object on sensing module detection touch area, with
A testing result is exported, testing result includes an at least touch point number.Processing module is electrically connected at sensing module, and root
A predetermined function is performed according to testing result.Wherein, processing module according to the working frequency of touch point number modulation process module and/
Or operating voltage, to reduce the working power of processing module.
Above-mentioned touch-control system, wherein processing module according to an error tolerance value downgrade processing module working frequency and/
Or operating voltage, to reduce the working power of processing module.
Above-mentioned touch-control system, wherein processing module can consume a sleep energy in sleep state, and processing module is according to sleeping
Dormancy energy increases the working frequency and/or operating voltage of processing module, to reduce the working power of processing module.
Above-mentioned touch-control system, wherein processing module determine a complexity level according to touch point number, and according to complexity
The working frequency and/or operating voltage of grade modulation process module are spent, to reduce the working power of processing module.
In order to which above-mentioned purpose is better achieved, present invention also offers a kind of touch-control system, has an at least touch area,
Touch-control system includes：One sensing module and a processing module.Wherein, at least one instruction on sensing module detection touch area
Object, to export a testing result.Processing module is electrically connected at sensing module, and performs a predetermined work(according to testing result
Energy.Wherein, processing module is according to the working frequency and/or operating voltage of predetermined function modulation process module, to reduce processing mould
The working power of block.
In order to which above-mentioned purpose is better achieved, present invention also offers a kind of optical touch control system, has an at least touch-control
Region, optical touch control system include：One optical sensing module and a processing module.Wherein, optical sensing module detection touch-control
An at least denoted object on region, and an at least image is exported, the image includes the imaging number of denoted object.Processing module
Optical sensing module is electrically connected at, and according to the testing result of optical sensing module, and perform a predetermined function.Wherein,
Processing module according to the image include the denoted object imaging number and working frequency and/or the work of modulation process module
Voltage, to reduce the working power of processing module.
Above-mentioned optical touch control system, wherein optical sensing module include an image sensor and a speculum, and this is at least
The imaging number that one image includes denoted object includes the imaging number acquired by image sensor detection denoted object, and
The imaging number of the mirror image of denoted object acquired by image sensor detection speculum.
Above-mentioned optical touch control system, wherein optical sensing module include at least two image sensors, an at least image
The imaging number of included denoted object is captured the imaging number of denoted object by such image sensor, and it includes instruction
The reflected image that the masking image and/or denoted object that object covers a light source and formed reflect the light source and formed.
The beneficial functional of the present invention is：According to touch-control system proposed by the present invention and optical touch control system, to dynamic
The working frequency and/or operating voltage of processing module are adjusted, and the processing mould for meeting output frequency is judged by the input of system
The working frequency and/or operating voltage of block, the effect of effectively reaching system power saving.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Figure 1A and Figure 1B is respectively the structural representation and system architecture diagram of touch-control system according to a first embodiment of the present invention；
Fig. 2 is the system architecture diagram according to the optical touch control system of second embodiment of the invention；
Fig. 3 A are according to Fig. 2 optical touch control system, and what its optical sensing module included image sensor and speculum is
System Organization Chart；
Fig. 3 B is the optical touch control systems according to Fig. 2, the system that its optical sensing module includes at least two image sensors
Organization Chart.
Wherein, reference
102 sensing modules
104 processing modules
200 touch areas
302 optical sensing modules
304 processing modules
402 image sensors
404 speculums
1000 touch-control systems
3000 optical touch control systems
Embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
The present invention can adjust on a kind of touch-control system with electricity-saving mechanism, the touch-control system according to system context
Whole electric power management mechanism, the characteristic of a predetermined function e.g. according to corresponding to the operation complexity of touch-control or current touch control operation
And adjust electric power management mechanism.And adjusting electric power management mechanism then can directly adjust the working frequency that touch-control system uses processor
And/or operating voltage, to reduce power consumption in low workload, or possess enough arithmetic speeds in high capacity.
Figure 1A and Figure 1B is respectively the structural representation and system architecture of touch-control system according to a first embodiment of the present invention
Figure.Wherein, touch-control system may be adapted to but be not limited to apply mobile computer, portable electronic device, communication apparatus or its
On its electronic product.The application category of touch-control system is not limited to the invention scope of the present invention, is only easy to illustrate, the present invention
Explanation using the touch-control system applied to mobile computer as an embodiment.
Also referring to Figure 1A and Figure 1B, touch-control system 1000 includes a sensing module 102 and a processing module 104,
And provide a mobile computer at least touch area 200 (such as：Panel), for user's contact, control computer is set
It is standby.Wherein, processing module 104 is electrically connected at sensing module 102, and can perform it according to the testing result of sensing module 102
Predetermined function.In general, sensing module 102 can be optics, resistance or capacitance type sensor, to detect touch area
An at least denoted object on 200.Sensing module 102 is after denoted object is detected, you can a testing result is exported according to this, should
Testing result includes an at least touch point number, and touch point number is the total number for the denoted object that sensing module 102 detects.
In the embodiment, the touch-control system 1000 total number of denoted object can be sensed according to sensing module 102 and
A complexity level is determined, then electric power management mechanism is adjusted by the complexity level.Specifically, please refer to following tables
Lattice, are the touch-control system according to first embodiment of the invention, and it determines the comparison reference chart of complexity level according to touch point number.
As shown in form, when denoted object is come across on touch area, (imply that single-point touches when to cause touch point number be 1
Control), its corresponding complexity level is 1；When denoted object is come across on touch area, touch point number is caused (to be implied that more for 2
Point touch-control), and when region is easy to judge caused by touch point, its corresponding complexity level is 2；And when denoted object comes across
On touch area, it is 2 to cause touch point number, but when region is not easy to judge caused by touch point, corresponding complexity etc.
Level then increases to 3.Wherein, whether region caused by touch point is easy to judge, can be the shadow sensed according to sensing module
As whether information result has shaded thing to cover whether either image is merged depending on (merge).In this, processing module
104 can calculate touch position of the denoted object on touch area according to the testing result of sensing module 102, and then perform it
Whether predetermined function, and the region that processing module 104 occurs according to denoted object, the region are easy to judge and/or sense
The touch point number that module 102 detects, and determine complexity level corresponding to touch point number.
Then, processing module 104 can be according to complexity level, the operation time unit needed for computational algorithm
(execution time unit), it is calculated when complexity level is Cx by transfer function et (Cx), processing module 104
The instruction cycle (Instruction cycle) of required consuming.Wherein, the transfer function can be complicated by static analysis algorithms of different
The maximum number of instructions (Instruction Count) needed for grade is spent, then coordinates the treatment characteristic of processing module 104 to be converted to
Instruction cycle, or by actually entering the sample (pattern) of algorithms of different complexity level, count required operation time
(ms), then processing frequency/voltage according to now processing module 104, operation time unit is converted to.
Fig. 2 is the system architecture diagram according to the optical touch control system of second embodiment of the invention.Wherein, optical touch control system
It may be adapted to but be not limited to apply on mobile computer, portable electronic device, communication apparatus or other electronic products.Optics
The application category of touch-control system is not limited to the invention scope of the present invention, is only easy to illustrate, below with applied to notes type
Explanation of the optical touch control system of computer as an embodiment.
Optical touch control system 3000 includes an optical sensing module 302 and a processing module 304, and provides notes type meter
A calculation machine at least touch area (such as：Panel), the control computer equipment for user's contact.Wherein, processing module 304
Optical sensing module 302 is electrically connected at, and its predetermined function can be performed according to the testing result of optical sensing module 302.One
As for, optical sensing module 302 detect touch area on an at least denoted object, and export an at least image, the image
Imaging number comprising denoted object.
Specifically, as shown in Figure 3A, optical sensing module 302 may include an image sensor 402 and a speculum
404.Therefore, when denoted object comes across touch area, the image that optical sensing module 302 detects includes denoted object
Imaging number i.e. include：Image sensor 402 detects the imaging number acquired by the denoted object, and image sensor
The imaging number of the mirror image of the denoted object acquired by 402 detection speculums 404.For example, when the quantity of denoted object is
At one, the imaging number acquired by image sensor 402 can be two；As for when denoted object quantity be two when, image
Imaging number acquired by sensor 402 then can up to four.
Or as shown in Figure 3 B, optical sensing module 302 may include at least two image sensors 402, in this, optics sense
The imaging number that the image that module 302 detects includes denoted object is surveyed, as each image sensor 402 captures this
The imaging number of denoted object, it includes：The masking image that denoted object covers light source and formed, and/or denoted object are anti-
The reflected image penetrated light source and formed.For example, when touch area (such as：Panel) on be configured with two image sensors
When 402, although only a denoted object appears in touch area, in two image sensors, the 402 other testing result
In, imaging number can be (1,1), (1,2), (2,1), (2,2) etc., be passed wherein each coordinate value represents two images respectively
The imaging number for the denoted object that sensor 402 each detects.
Therefore, optical touch control system according to a second embodiment of the present invention, optics sense is being captured according to above-mentioned two mode
After surveying the imaging number that module 302 detects, processing module 304 can be according to those imaging number, the denoted objects in image
Appeared in region, whether have whether mirror image and/or the region are easy to judge, and determine its corresponding complexity level.
Then, the imaging number that processing module 304 can be included according to the image that optical sensing module 302 detects,
And the working frequency and/or operating voltage of modulation process module 304, to reduce the working power of processing module 304.
And due to during function difference, reaction time, expection to touch-control can be operated performed by touch-control system touch-control
Number may all be not quite similar, therefore when the function performed by the known touch-control system, you can according to the spy of performed function
Property and adjusted the working frequency and/or operating voltage of processing module 304.Such as directly it is intended to hold by user's sets itself
Capable function, such as user's application-specific to be performed, and the touch-control system is then according to the application-specific
And the working frequency and/or operating voltage of processing module 304 are adjusted in advance.The touch-control system also can be directly according to current system institute
Perform function and the working frequency and/or operating voltage for adjusting processing module 304.Or the touch-control system can be according to current touch-control
Situation and judge function performed at present, such as be judged as a posture behaviour when current touch-control situation meets a certain gestures
Make function, it is only necessary to judge the relative motion situation of each touch point, without each touch point coordinate of precise positioning, therefore place can be reduced
Manage the working frequency and/or operating voltage of module 304.Example above is only used for illustrating, and non-limiting embodiments of the present invention,
And each embodiment also can mutually aid in and reach more preferably power supply method of adjustment.
Therefore, as described above in Example, processing module can according to caused by denoted object in touch-control system touch-control
Imaging number caused by denoted object or the function of performing or to be performed at present in point number and/or optical touch control system,
And optionally its predetermined function of modulation, working frequency and/or operating voltage, to reduce the working power of processing module.It can
Realized with following first to fourth pattern.
First：Traditional mode (Conservative Policy)
Operation time of the processing module according to corresponding to current touch point number and/or imaging number, and adjustment is handled
The working frequency and/or operating voltage of module, to reduce power consumption.
Second：Application model (Application-Prediction Policy)
The touch control characteristics for the application program that processing module performs instantly according to system, such as：User pre-enters or is
The application program species for automatic detection of uniting, the following required algorithm complex of prediction, and adjustment processing module should in execution according to this
Working frequency and/or operating voltage in operation time corresponding to algorithm complex, to reduce power consumption.That is, touch
Control system can adjust power management according to the different application programs (such as moving coordinate, mapping program etc.) of its predetermined function
Mechanism.
3rd：Aggressive mode (Aggressive Policy)
Processing module downgrades the working frequency and/or operating voltage of processing module according to an error tolerance value, to reduce electricity
Power consumes.For example, error tolerance value may include an admissible error threshold value (Acceptable Delay Threshold)
With an admissible error time threshold value (Acceptable Delay Length Threshold).Admissible error threshold value allows
Processing module reduces it as much as possible in the case where the fall of output frequency (Report Rate) is less than the threshold value
Working frequency and/or operating voltage, to reduce power consumption.And admissible error time threshold value then limits the decline of output frequency
Amplitude is less than the time of admissible error threshold value when being more than this admissible error time threshold value, stop its working frequency of reduction and/
Or operating voltage, and lifted again, to maintain the output frequency of processing module.Aggressive mode is due to setting with error tolerance value
Fixed, its power saving effect is better than traditional mode.
4th：Park mode (Sleep-Aggressive Policy)
Because processing module can consume sleep energy under sleep state (Sleep), processing module can be according to the sleep
Energy, increases its working frequency and/or operating voltage as much as possible, and with higher frequency coordinates computed consumed energy, with up to
To the output frequency of system requirements, processing module is allowed to reach power saving effect into sleep as early as possible.However, park mode needs
Consider to be coupled to the hibernation feature of processing module, processing module enter sleep with from the time that sleep state is replied and power consumption spy
Property, to reach preferable power saving effect.
Wherein, it is province's electrical efficiency of strengthening system, aggressive mode and park mode are also optionally arranged in pairs or groups traditional mode
Or application model performs, all it is under the jurisdiction of the invention category of the present invention.
Therefore, touch-control system and optical touch control system according to embodiments of the present invention, processing module can be predetermined according to it
The imaging number that the touch point number and/or optical sensing module that function, sensing module detect detect, modulation process
The working frequency and/or operating voltage of module, to reduce the working power of processing module, the effect of reaching system power saving.Secondly,
Among presently preferred embodiments of the present invention, processing module can also detect according further to its predetermined function and/or sensing module
The touch point number obtained, and the working frequency and/or operating voltage of modulation sensing module, further to increase the effect of system power saving
Energy.
Therefore, touch-control system and optical touch control system proposed by the present invention, dynamically to adjust the work of processing module frequency
Rate and/or operating voltage, and working frequency and/or the work for meeting the processing module of output frequency are judged by the input of system
Voltage, effectively reach the efficiency of system power saving.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art when can be made according to the present invention it is various it is corresponding change and deformation, but these corresponding change and become
Shape should all belong to the protection domain of appended claims of the invention.
Claims (7)
1. a kind of touch-control system with electricity-saving mechanism, there is an at least touch area, it is characterised in that the touch-control system bag
Include：
One sensing module, at least denoted object on the touch area is detected, to export a testing result；And
One processing module, the sensing module is electrically connected at, the processing module performs a predetermined function according to the testing result；
Wherein, the processing module is according to the working frequency and/or an operating voltage of the predetermined function modulation processing module, with
Reduce the working power of the processing module；
Wherein, the testing result that the processing module exports according to the sensing module determines a complexity level, and multiple according to this
Working frequency and/or the operating voltage of the miscellaneous degree grade modulation processing module, to reduce the working power of the processing module.
2. there is the touch-control system of electricity-saving mechanism as claimed in claim 1, it is characterised in that the processing module is according to an error
Tolerance value downgrades working frequency and/or the operating voltage of the processing module, to reduce the working power of the processing module.
3. there is the touch-control system of electricity-saving mechanism as claimed in claim 1, it is characterised in that the processing module is in sleep state
A sleep energy can be consumed, the processing module increases working frequency and/or the work of the processing module according to the sleep energy
Make voltage, to reduce the working power of the processing module.
4. there is the touch-control system of electricity-saving mechanism as claimed in claim 1, it is characterised in that the processing module is according to the instruction
At least touch point number that the region and/or the sensing module that object occurs are detected, and determine the complexity level.
5. as claimed in claim 4 have electricity-saving mechanism touch-control system, it is characterised in that the sensing module include one or
More than one sensor, the testing result by the one or more sensor detects this, and at least a denoted object is produced
Raw, the touch point number is the total number that the one or more sensor detects an at least denoted object, and at this
Reason module calculates the touch position of at least denoted object on the touch area according to the testing result, and then it is pre- to perform this
Determine function.
6. there is the touch-control system of electricity-saving mechanism as claimed in claim 1, it is characterised in that the sensing module is optics, electricity
Resistance or capacitance type sensor.
7. there is the touch-control system of electricity-saving mechanism as claimed in claim 1, it is characterised in that the further basis of the processing module
The working frequency and/or operating voltage of the predetermined function modulation sensing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340032.0A CN105094275B (en) | 2010-11-24 | 2010-11-24 | Touch-control system with electricity-saving mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010569267.4A CN102478953B (en) | 2010-11-24 | 2010-11-24 | Touch system and optical touch system with power-saving mechanism |
| CN201510340032.0A CN105094275B (en) | 2010-11-24 | 2010-11-24 | Touch-control system with electricity-saving mechanism |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010569267.4A Division CN102478953B (en) | 2010-11-24 | 2010-11-24 | Touch system and optical touch system with power-saving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105094275A CN105094275A (en) | 2015-11-25 |
| CN105094275B true CN105094275B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510340055.1A Expired - Fee Related CN105094276B (en) | 2010-11-24 | 2010-11-24 | Optical touch control system with electricity-saving mechanism |
| CN201510340032.0A Expired - Fee Related CN105094275B (en) | 2010-11-24 | 2010-11-24 | Touch-control system with electricity-saving mechanism |
| CN201010569267.4A Expired - Fee Related CN102478953B (en) | 2010-11-24 | 2010-11-24 | Touch system and optical touch system with power-saving mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510340055.1A Expired - Fee Related CN105094276B (en) | 2010-11-24 | 2010-11-24 | Optical touch control system with electricity-saving mechanism |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201010569267.4A Expired - Fee Related CN102478953B (en) | 2010-11-24 | 2010-11-24 | Touch system and optical touch system with power-saving mechanism |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012764A (en) * | 2010-12-10 | 2011-04-13 | 华映视讯（吴江）有限公司 | Touch system and method for updating operational frequency of processor |
| CN103487046B (en) * | 2013-08-03 | 2016-08-17 | 东北大学 | Have self diagnosis and low-power consumption is accurately positioned node |
| CN116991225A (en) * | 2018-02-14 | 2023-11-03 | 上海寒武纪信息科技有限公司 | Control device, method and equipment of processor |
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- 2010-11-24 CN CN201010569267.4A patent/CN102478953B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105094276B (en) | 2018-02-23 |
| CN105094275A (en) | 2015-11-25 |
| CN105094276A (en) | 2015-11-25 |
| CN102478953B (en) | 2015-07-22 |
| CN102478953A (en) | 2012-05-30 |
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