CN104394278B - Method, device and mobile terminal for regulating screen brightness - Google Patents
Method, device and mobile terminal for regulating screen brightness Download PDFInfo
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- CN104394278B CN104394278B CN201410714757.7A CN201410714757A CN104394278B CN 104394278 B CN104394278 B CN 104394278B CN 201410714757 A CN201410714757 A CN 201410714757A CN 104394278 B CN104394278 B CN 104394278B
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Abstract
The invention is applicable to the technical field of communication and provides a method, a device and a mobile terminal for regulating screen brightness. The method comprises the following steps: determining changing speed of an illumination strength value of environmental light; determining a screen brightness value according to the changing speed of the illumination strength value of the environmental light, and regulating the screen brightness according to the screen brightness value. According to the method disclosed by the invention, the changing speed of the illumination strength value of the environmental light is determined firstly, then the screen brightness value is determined according to the changing speed of the illumination strength value of the environmental light, and finally the screen brightness is regulated according to the screen brightness value so that the screen brightness value can be set according to the changing speed of the illumination strength value. The method disclosed by the invention solves the problem that eye health is affected by fatigue of eyes of a user after the user uses the mobile terminal for a long time in a scene that the illumination strength value has tremendous changes, so that the aims of reducing eye fatigue of the user and protecting the eye health of the user can be realized.
Description
Technical field
The invention belongs to communication technical field, more particularly, to a kind of method of adjustment screen intensity, device and mobile terminal.
Background technology
Developing rapidly with mobile Internet, mobile terminal also in the development of diversification, as the master of mobile Internet
Want carrier-mobile terminal, in our lives, play more and more important role, we can be by mobile terminal
Net, photos and sending messages, make a phone call, play game, shopping etc., mobile terminal in some aspects gradually replace computer effect.
However, in realizing process of the present invention, it is as follows that inventor finds that the mobile terminal that prior art provides at least exists
Problem：
Mobile terminal similarly brings some healthy hidden dangers to us while offering convenience.Such as, much mobile whole
End subscriber life-time service mobile terminal under the scene of the illumination intensity value generation acute variation of light, thus allow eyes easily to feel
It is subject to fatigue, and then have influence on the health of eyes.
Content of the invention
In view of this, the embodiment of the present invention provides a kind of method of adjustment screen intensity, device and mobile terminal, to solve
The mobile terminal that prior art provides, under the scene of the illumination intensity value generation acute variation of light, user's life-time service moves
The problem that terminal leads to have influence on eye health.
In a first aspect, providing a kind of method of adjustment screen intensity, including：
Determine the pace of change of the illumination intensity value of ambient light；
The pace of change of the illumination intensity value according to described ambient light determines screen brightness value；
Screen intensity is adjusted according to described screen brightness value.
In conjunction with a first aspect, in the first possible implementation, the described illumination intensity value according to described ambient light
Pace of change determine screen brightness value, including：
If the pace of change of the illumination intensity value of described ambient light is more than pace of change threshold value, by described screen brightness value
It is defined as the first value.
In conjunction with the first possible implementation of first aspect, in the possible implementation of second, described basis
The pace of change of the illumination intensity value of described ambient light, determines screen brightness value, including：
If the pace of change of the illumination intensity value of described ambient light is less than or equal to pace of change threshold value, according to described environment
The current light intensity level of light and according between default illumination intensity value and screen brightness value corresponding relation determine described in
Screen brightness value.
The possible implementation of the first or second in conjunction with first aspect, in the third possible implementation,
Described according to described screen brightness value adjust screen intensity, including：
Regulate the speed according to default brightness value, described screen intensity is adjusted to described screen brightness value.
In conjunction with a first aspect, combining the first or second or the third possible implementation of first aspect, the
In four kinds of possible implementations, the pace of change of the described illumination intensity value determining ambient light, including：
Periodically determine the pace of change of the illumination intensity value of described ambient light.
In conjunction with a first aspect, combining the first or second or the third or the 4th kind of possible realization side of first aspect
Formula, in the 5th kind of possible implementation, the pace of change of the described illumination intensity value determining ambient light, including：
Determine ambient light by obtaining the variable quantity of the magnitude of voltage twice of light sensor output in preset time range
The pace of change of illumination intensity value.
Second aspect, provides a kind of device of adjustment screen intensity, including：
Illumination intensity value determining unit, for determining the pace of change of the illumination intensity value of ambient light；
Screen brightness value determining unit, the pace of change for the illumination intensity value according to described ambient light determines that screen is bright
Angle value；
Screen intensity adjustment unit, for adjusting screen intensity according to described screen brightness value.
In conjunction with second aspect, in the first possible implementation, described screen brightness value determining unit, including：
First screen brightness value determining module, if determine the light of described ambient light for described illumination intensity value determining unit
Pace of change according to intensity level is more than pace of change threshold value, then described screen brightness value is defined as the first value.
In conjunction with second aspect, in conjunction with the first possible implementation of second aspect, in the possible realization side of second
In formula, described screen brightness value determining unit, also include：
Second screen brightness value determining module, if determine the light of described ambient light for described illumination intensity value determining unit
Pace of change according to intensity level is less than or equal to pace of change threshold value, then the environment being determined according to described illumination intensity value determining unit
The current light intensity level of light and according between default illumination intensity value and screen brightness value corresponding relation determine described in
Screen brightness value.
The possible implementation of the first or second in conjunction with second aspect, in the third possible implementation,
Described according to described screen brightness value adjust screen intensity, including：
Regulate the speed according to default brightness value, described screen intensity is adjusted to described screen brightness value.
In conjunction with second aspect, the first in conjunction with second aspect or second or the third possible implementation,
In four kinds of possible implementations, described illumination intensity value determining unit periodicity determines the illumination intensity value of described ambient light
Pace of change.
In conjunction with second aspect, the first in conjunction with second aspect or second or the third or the 4th kind of possible realization side
Formula, in the 5th kind of possible implementation, described illumination intensity value determining unit is passed through to obtain light in preset time range
The variable quantity of the magnitude of voltage twice of sensor output determines the pace of change of the illumination intensity value of described ambient light.
The third aspect, provides a kind of mobile terminal, and the adjustment screen that described mobile terminal is included as described in second aspect is bright
The device of degree.
In conjunction with the third aspect, described mobile terminal is smart mobile phone or panel computer.
In the embodiment of the present invention, determine the pace of change of the illumination intensity value of ambient light, and strong according to the illumination of ambient light
The pace of change of angle value, determines screen brightness value, thus according to the screen brightness value adjustment screen intensity determining, so that screen
Curtain brightness value can set according to the pace of change of illumination intensity value, overcomes the field that acute variation occurs in illumination intensity value
Under scape, user's life-time service mobile terminal, lead to eyes of user fatigue, thus affecting the problem of eye health.
Brief description
Fig. 1 is the flowchart of the embodiment of the method that the present invention adjusts screen intensity；
Fig. 2 is in the embodiment of the method that the present invention adjusts screen intensity, when the pace of change of the illumination intensity value of ambient light
More than flowchart during default pace of change threshold value；
Fig. 3 is the structured flowchart of the device embodiment that the present invention adjusts screen intensity；
Fig. 4 is the structured flowchart of mobile terminal embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
In embodiments of the present invention, first determine the pace of change of the illumination intensity value of ambient light, further according to described ambient light
The pace of change of illumination intensity value determine screen brightness value, adjust screen intensity finally according to described screen brightness value.
Below in conjunction with specific embodiment, the realization of the present invention is described in detail：
Embodiment one
Fig. 1 show the embodiment of the present invention one provide the method for adjustment screen intensity realize flow process, details are as follows：
In step S101, determine the pace of change of the illumination intensity value of ambient light.
In embodiments of the present invention, the illumination intensity value of ambient light is determined by light sensor.
Light sensor is provided with mobile terminal, can be strong with the illumination of real-time detection ambient light by this light sensor
Degree.Wherein, intensity of illumination refers to the power of illumination, to be measured with the energy of visible ray accepted in unit area, abbreviation illumination.
Specifically, light sensor can adopt advanced photoelectric conversion module, and illumination intensity value is converted into magnitude of voltage, should
Magnitude of voltage is corresponded with illumination intensity value, and the size of this magnitude of voltage can reflect the size of illumination intensity value, this magnitude of voltage
Pace of change can reflect the pace of change of illumination intensity value.
In step s 102, the pace of change of the illumination intensity value according to described ambient light determines screen brightness value.
In embodiments of the present invention, the one-to-one corresponding that can pre-set between illumination intensity value and screen brightness value closes
System, each illumination intensity value corresponds to a screen brightness value, and screen brightness value is being adjusted to corresponding with illuminance intensity
During screen brightness value, the eyes of user are not easily tied, thus protect eyes are healthy.
Concrete when arranging, when ambient light current light intensity level than larger when, setting screen brightness value is larger, works as ring
When the current light intensity level of border light is smaller, setting screen brightness value is smaller, during practical application, can rule of thumb carry out
Pre-set.
However, when the pace of change of the illumination intensity value of ambient light is more than pace of change threshold value, representing the light of ambient light
According to changes in intensity values than comparatively fast, the intensity of illumination value changes of ambient light are more violent, and at this moment, the illumination according further to ambient light is strong
The size of angle value to adjust screen intensity, then occurs the shake of screen intensity, is unfavorable for protect eyes, and the use longevity of screen
The problem that life can shorten.
In order to solve the above problems it is preferable that in the embodiment of the present invention, can be according to the change of the illumination intensity value of ambient light
The speed changing speed is adjusting screen intensity.
Specifically, first determine whether the pace of change of the illumination intensity value of ambient light is more than pace of change threshold value, work as environment
When the pace of change of the illumination intensity value of light is more than pace of change threshold value, execute following steps, as shown in Figure 2：
Step 1, described screen brightness value is defined as the first value.
Mobile terminal can generate the instruction of a renewal screen intensity, and screen brightness value is defined as the first value.Wherein,
First is worth and feels pleasant screen brightness value for a user.
Preferably, described first is worth for 0.
At this moment, mobile terminal generates one and puts out and shields order, and the LCD backlight lamp of screen responds this and puts out screen order, is put out by this
Screen order control screen puts out screen.
When the illumination intensity value of ambient light occurs acute variation, control screen puts out screen, can preferably protect user's
Eyes.
Step 2, redefine ambient light illumination intensity value pace of change.
If the pace of change of the illumination intensity value of the described ambient light redefining of step 3 is less than or equal to pace of change threshold
Value, then the current light intensity level according to the described ambient light redefining and default illumination intensity value and screen brightness value
Between corresponding relation determine screen brightness value.
Detailed process is：After mobile terminal adjustment screen brightness value is the first value, light sensor continues detection ambient light
Current light degree intensity, when the change of the magnitude of voltage twice that mobile terminal exports in preset time range according to light sensor
When changing speed less than or equal to pace of change threshold value, judge that the change of the illumination intensity value of ambient light tends towards stability, no longer acutely become
Change, the at this moment current light intensity level of mobile terminal records ambient light, and generate control command, the LCD backlight lamp response of screen
Screen intensity is slowly recovered to corresponding with the illumination intensity value of the ambient light being recorded by this control command by this control command
Screen brightness value.
In addition, mobile terminal period determines the pace of change of the illumination intensity value of described ambient light.
After adjusting screen brightness value, light sensor also needs to continue the change speed of the illumination intensity value of detection ambient light
Degree, according to the pace of change control screen brightness of illumination intensity value.
Specifically, when the pace of change of the illumination intensity value of ambient light is less than or equal to pace of change threshold value, then according to institute
The corresponding relation stated between the current light intensity level of ambient light and default illumination intensity value and screen brightness value determines screen
Curtain brightness value.
Specifically, determine ring by obtaining the variable quantity of the magnitude of voltage twice of light sensor output in preset time range
The pace of change of the illumination intensity value of border light, when the intensity of illumination value changes of ambient light are more violent, light sensor exports
Magnitude of voltage can rapidly saltus step, in preset time range, the variable quantity of magnitude of voltage twice of light sensor output can be very big.
In step s 103, screen intensity is adjusted according to described screen brightness value.
In embodiments of the present invention, mobile terminal is regulated the speed according to default brightness value, and described screen intensity is adjusted
To described screen brightness value.
Specifically, mobile terminal can generate control command, and the LCD backlight lamp of screen responds this control command, by this
Screen intensity is regulated the speed according to default brightness value and is adjusted to described screen brightness value by control command.
The present embodiment, determines the pace of change of the illumination intensity value of ambient light, and according to the illumination intensity value of ambient light
Pace of change, determines screen brightness value, thus according to the screen brightness value adjustment screen intensity determining, so that screen intensity
Value can set according to the pace of change of illumination intensity value, overcome and occur under the scene of acute variation in illumination intensity value,
User's life-time service mobile terminal, leads to eyes of user fatigue, thus affecting the problem of eye health.
In addition, the change of the magnitude of voltage being exported by light sensor, whether the care intensity level of real-time judge ambient light
There is acute variation, when there is acute variation, first control screen puts out screen, more efficiently protects the eyes of user.
It should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the elder generation of execution sequence
Afterwards, the execution sequence of each process should be determined with its function and internal logic, and should not be to the implementation process structure of the embodiment of the present invention
Become any restriction.
One of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method is can
Completed with the hardware instructing correlation by program, corresponding program can be stored in a computer read/write memory medium
In, described storage medium, such as ROM/RAM, disk or CD etc..
Embodiment two
Fig. 3 shows the concrete structure block diagram of the device of adjustment screen intensity that the embodiment of the present invention two provides, in order to just
In explanation, illustrate only the part related to the embodiment of the present invention.The device 3 of this adjustment screen intensity can be to be built in movement
The unit of the software unit in terminal, hardware cell or software and hardware combining, the device 3 of this adjustment screen intensity includes：Illumination
Intensity level determining unit 31, screen brightness value determining unit 32 and screen intensity adjustment unit 33.
Wherein, illumination intensity value determining unit 31, for determining the pace of change of the illumination intensity value of ambient light；
Screen brightness value determining unit 32, the pace of change for the illumination intensity value according to described ambient light determines screen
Brightness value；
Screen intensity adjustment unit 33, for adjusting screen intensity according to described screen brightness value.
Specifically, described screen brightness value determining unit 32, including：First screen brightness value determining module.
Wherein,
First screen brightness value determining module 322, if determine described environment for described illumination intensity value determining unit 32
The pace of change of the illumination intensity value of light is more than pace of change threshold value, then described screen brightness value is defined as the first value.
Specifically, described screen brightness value determining unit 32, also includes：
Second screen brightness value determining module, if determine the illumination of described ambient light for illumination intensity value determining unit 32
The pace of change of intensity level is less than or equal to pace of change threshold value, then the environment being determined according to described illumination intensity value determining unit 32
Corresponding relation between the current light intensity level of light and default illumination intensity value and screen brightness value determines described screen
Brightness value.
Specifically, described illumination intensity value determining unit 31 periodicity determines the change of the illumination intensity value of described ambient light
Speed.
Specifically, described illumination intensity value determining unit 31 is passed through to obtain light sensor output in preset time range
The variable quantity of magnitude of voltage determines the pace of change of the illumination intensity value of described ambient light twice.
Specifically, described screen intensity adjustment unit 33 is regulated the speed according to default brightness value, by described screen intensity
Adjust to described screen brightness value.
The device of adjustment screen intensity provided in an embodiment of the present invention can be applied in aforementioned corresponding embodiment of the method one
In, details, referring to the description of above-described embodiment one, will not be described here.
Embodiment three
Fig. 4 shows the concrete structure block diagram of the mobile terminal that the embodiment of the present invention three provides, and for convenience of description, only shows
Go out the part related to the embodiment of the present invention.This mobile terminal 4 of this mobile terminal 4 can be smart mobile phone or panel computer,
Including the device 3 of the adjustment screen intensity described in three kinds of embodiment, the device 3 of this adjustment screen intensity includes：Illumination intensity value
Determining unit 31, screen brightness value determining unit 32 and screen intensity adjustment unit 33.
Wherein, illumination intensity value determining unit 31, for determining the pace of change of the illumination intensity value of ambient light；
Screen brightness value determining unit 32, the pace of change for the illumination intensity value according to described ambient light determines screen
Brightness value；
Screen intensity adjustment unit 33, for adjusting screen intensity according to described screen brightness value.
Specifically, described screen brightness value determining unit 32, including：First screen brightness value determining module.
Wherein,
First screen brightness value determining module, if determine described ambient light for described illumination intensity value determining unit 32
The pace of change of illumination intensity value is more than pace of change threshold value, then described screen brightness value is defined as the first value.
Specifically, described screen brightness value determining unit 32, also includes：
Second screen brightness value determining module, if determine the illumination of described ambient light for illumination intensity value determining unit 32
The pace of change of intensity level is less than or equal to pace of change threshold value, then the environment being determined according to described illumination intensity value determining unit 32
Corresponding relation between the current light intensity level of light and default illumination intensity value and screen brightness value determines described screen
Brightness value.
Specifically, described illumination intensity value determining unit 31 periodicity determines the change of the illumination intensity value of described ambient light
Speed.
Specifically, described illumination intensity value determining unit 31 is passed through to obtain light sensor output in preset time range
The variable quantity of magnitude of voltage determines the pace of change of the illumination intensity value of described ambient light twice.
Specifically, described screen intensity adjustment unit 33 is regulated the speed according to default brightness value, by described screen intensity
Adjust to described screen brightness value.
Mobile terminal provided in an embodiment of the present invention can be applied in aforementioned corresponding embodiment of the method one, details referring to
The description of above-described embodiment one, will not be described here.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example of the embodiments described herein description
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
To be executed with hardware or software mode, the application-specific depending on technical scheme and design constraint.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
Device and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
It should be understood that disclosed system, apparatus and method in several embodiments provided herein, permissible
Realize by another way.For example, device embodiment described above is only schematically, for example, described unit
Divide, only a kind of division of logic function, actual can have other dividing mode when realizing, for example multiple units or assembly
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not execute.Another, shown or
The coupling each other discussing or direct-coupling or communication connection can be by some interfaces, the indirect coupling of device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The described unit illustrating as separating component can be or may not be physically separate, show as unit
The part showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.The mesh to realize this embodiment scheme for some or all of unit therein can be selected according to the actual needs
's.
In addition, can be integrated in a processing unit in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a unit.
If described function realized using in the form of SFU software functional unit and as independent production marketing or use when, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) execution each embodiment methods described of the present invention all or part of step.
And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (12)
1. a kind of method of adjustment screen intensity is it is characterised in that include：
Determine the pace of change of the illumination intensity value of ambient light；
The pace of change of the illumination intensity value according to described ambient light, determines screen brightness value；
Screen intensity is adjusted according to described screen brightness value；
The pace of change of the described illumination intensity value according to described ambient light, determines screen brightness value, including：
If the pace of change of the illumination intensity value of described ambient light is more than pace of change threshold value, described screen brightness value is defined as
First value；
Described first is worth for 0.
2. the method for claim 1 is it is characterised in that the change of the described illumination intensity value according to described ambient light is fast
Degree, determines screen brightness value, including：
If the pace of change of the illumination intensity value of described ambient light is less than or equal to pace of change threshold value, according to described ambient light
Current light intensity level and described screen is determined according to the corresponding relation between default illumination intensity value and screen brightness value
Brightness value.
3. method as claimed in claim 1 or 2 it is characterised in that described according to described screen brightness value adjust screen intensity,
Including：
Regulate the speed according to default brightness value, described screen intensity is adjusted to described screen brightness value.
4. the method for claim 1, the pace of change of the illumination intensity value of described determination ambient light, including：
Periodically determine the pace of change of the illumination intensity value of described ambient light.
5. the method for claim 1 is it is characterised in that the pace of change of the illumination intensity value of described determination ambient light,
Including：
Determine described ambient light by obtaining the variable quantity of the magnitude of voltage twice of light sensor output in preset time range
The pace of change of illumination intensity value.
6. a kind of device of adjustment screen intensity is it is characterised in that include：
Illumination intensity value determining unit, for determining the pace of change of the illumination intensity value of ambient light；
Screen brightness value determining unit, the pace of change for the illumination intensity value according to described ambient light determines screen intensity
Value；
Screen intensity adjustment unit, for adjusting screen intensity according to described screen brightness value；
Described screen brightness value determining unit, including：
For described illumination intensity value determining unit, first screen brightness value determining module, if determine that the illumination of described ambient light is strong
The pace of change of angle value is more than pace of change threshold value, then described screen brightness value is defined as the first value；
Described first is worth for 0.
7. device as claimed in claim 6, it is characterised in that described screen brightness value determining unit, also includes：
For described illumination intensity value determining unit, second screen brightness value determining module, if determine that the illumination of described ambient light is strong
The pace of change of angle value is less than or equal to pace of change threshold value, then the ambient light being determined according to described illumination intensity value determining unit
Illumination intensity value and described screen intensity is determined according to the corresponding relation between default illumination intensity value and screen brightness value
Value.
8. device as claimed in claims 6 or 7 is it is characterised in that described screen intensity adjustment unit is according to default brightness
Value is regulated the speed, and described screen intensity is adjusted to described screen brightness value.
9. device as claimed in claim 6 is it is characterised in that described illumination intensity value determining unit periodicity determines described ring
The pace of change of the illumination intensity value of border light.
10. device as claimed in claim 6 is it is characterised in that described illumination intensity value value determining unit is default by obtaining
In time range, the variable quantity of the magnitude of voltage twice of light sensor output determines the change of the illumination intensity value of described ambient light
Speed.
A kind of 11. mobile terminals are it is characterised in that described mobile terminal includes the tune as described in any one of claim 6 to 10
The device of whole screen intensity.
12. mobile terminals as claimed in claim 11 are it is characterised in that described mobile terminal is smart mobile phone or flat board electricity
Brain.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410714757.7A CN104394278B (en) | 2014-11-28 | 2014-11-28 | Method, device and mobile terminal for regulating screen brightness |
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|---|---|---|---|
| CN201410714757.7A CN104394278B (en) | 2014-11-28 | 2014-11-28 | Method, device and mobile terminal for regulating screen brightness |
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| CN104394278B true CN104394278B (en) | 2017-02-22 |
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