CN105472143B - The anti-theft endoscope device and its glance prevention method of running gear - Google Patents
The anti-theft endoscope device and its glance prevention method of running gear Download PDFInfo
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- CN105472143B CN105472143B CN201510809487.2A CN201510809487A CN105472143B CN 105472143 B CN105472143 B CN 105472143B CN 201510809487 A CN201510809487 A CN 201510809487A CN 105472143 B CN105472143 B CN 105472143B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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Abstract
The present invention discloses the anti-theft endoscope device and its glance prevention method of running gear, the anti-theft endoscope device of the running gear includes the module that accepts message, microprocessor, display adjustment module, user's visual memory module and touching display screen, the triggering signal of the ON or OFF that are generated by user are obtained by the module that accepts message, it is generated again by microprocessor and determines whether display adjustment module needs the ON or OFF of operation to instruct accordingly, realize opening or closing for related peep-proof function, display adjustment module is adjusted to grayscale mode according to the grayscale parameter X that ON or OFF instruction accordingly provides the content combination user's visual memory module that will be shown in real time or is not processed, display content is exported by touching display screen again.The display content that need to be adjusted can be adjusted to grayscale mode in any program by the anti-theft endoscope device of running gear of the invention in real time, ensure that peep-proof effect does not change due to the difference of the backcolor of picture or prospect text, keep the consistency of peep-proof effect.
Description
Technical field
The present invention relates to field of communication security more particularly to the anti-theft endoscope devices and its glance prevention method of running gear.
Background technique
Mobile device has the demand of many secrecy as the carrier of carrying personal information.The data that mobile device is sent,
Such as SMS, the major way of personal communication is had become, many demands are also produced to the secrecy of mobile phone short message.With
The promotion and popularization of touch-screen mobile phone and tablet computer, the display interface of information is more humanized, and font can be bigger apparent.
But size is big and clearly text makes the information content be easier to be seen by the people other than operator, especially crowded
In public arena, such as subway, handset content can not be made to escape other people watch attentively.
It is visible in 180 degree over the visible angle moon with the development of LCD screen.Urgent need wants one kind appropriate
Sacrifice display intensity, the method and apparatus for protecting the personal information of operator.Existing running gear peep-proof mode majority is logical
It crosses hardware mode and just increases diaphragm on the screen, stop high angle scattered light to external diffusion, reach the function of peep-proof, it is hard using this
On the one hand part means increase cost, on the other hand using the display after peep-proof diaphragm can not increase again display view angle (unless
The diaphragm is removed) and reusability it is low can only be bonded in most cases it is primary to twice.
Or mask is increased in display picture by software approach, mask can be any monochromatic color or figure, destroy
The integrality for showing picture, reaches the function of peep-proof.However after setting mask using the software approach, which can cover
In all pictures, but effect can change with the difference of display picture background, black for white background if mask is white
Decreased effectiveness in the picture of color, in the picture for black matrix wrongly written or mispronounced character, effect is preferable, leads to the peep-proof visual function of the software approach not
Stablize.
Therefore it needs one kind in any program, can reach identical peep-proof effect, it will not be because of the backcolor of picture
Or prospect text and the anti-peeping device and method thereof that are influenced.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind in any program, can reach identical
Peep-proof effect running gear anti-theft endoscope device and its glance prevention method.
The technical solution adopted by the present invention is that:
A kind of anti-theft endoscope device of running gear comprising:
One accepts message module: for obtaining the triggering signal of the ON or OFF of peep-proof visual function, and by the triggering of acquisition
Signal is sent to microprocessor；
One microprocessor: it is configured as when receiving the triggering signal by the module transmission that accepts message, according to the triggering
Signal generates corresponding ON or OFF instruction and is sent to display adjustment module；
One user's visual memory unit: being the positive integer greater than 1 for providing grayscale parameter an X, the grayscale parameter X,
One display adjustment module: for obtaining the display content and instruction of microprocessor conveying；When the instruction received is
When ON is instructed, then the grayscale parameter X provided in user's visual memory unit is further obtained, display content is passed through into conversion formula
It is adjusted to grayscale mode, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein R, G, B are
Show that the rgb value of each pixel of content, Gray are the conversion value in the rgb value after converted wait be backfilled to corresponding pixel, then
The display content of grayscale mode after modification is transmitted to touching display screen；When the instruction received is that OFF is instructed, then will
Display content is transferred directly to touching display screen；
One touching display screen: for receiving and showing by the display content of display adjustment module conveying, and by the touching of user
It touches operation information and is sent to microprocessor.
The trigger source of the triggering signal includes entity button, touch screen triggering, speech trigger, gesture trigger, fingerprint touching
Hair, bluetooth triggering and wireless network triggering.
The default value of grayscale parameter X is 4 in user's visual memory unit.
Further, the anti-theft endoscope device of running gear of the invention further includes a test picture generation module, the survey
Attempt the input terminal of piece generation module connection microprocessor, test picture generation module, which generates, has the 2 of different grayscale value ranges
Group or more grayscale picture be sent to microprocessor, the microprocessor is by 2 groups or more the grayscale with different grayscale value ranges
The display content of picture be transmitted to display adjustment module, while send OFF instruct to display adjust module；Display adjustment module is straight
It connects to test the display content transport that this includes 2 groups or more grayscale pictures of different grayscale value ranges to touching display screen and show,
The grayscale picture that can not be differentiated by user by touching display screen exclusion, microprocessor are surveying the user that touching display screen is sent
Touching operation information in examination display is transported to user's vision note unit as feedback information, and user's visual memory unit is based on micro-
The feedback information of processor conveying judges the grayscale picture that can not be differentiated that user excludes, further from remaining distinguishable grayscale
The minimum grayscale picture of gray number is chosen in picture, is determined according to the corresponding grayscale value range of the minimum grayscale picture of the gray number
The value of one corresponding grayscale parameter X, the smaller corresponding grayscale parameter X of grayscale value range are bigger, the bigger correspondence of grayscale value range
Grayscale parameter X value it is smaller.
The grayscale picture that the test picture generation module generates is 7 groups of difference grayscale value ranges, respectively 0-32,0-
36,0-42,0-51,0-63,0-85 and 0-125 respectively correspond grayscale parameter X value 8,7,6,5,4,3 and 2.
The glance prevention method of running gear used by anti-theft endoscope device the invention also discloses the running gear,
Itself the following steps are included:
S1: the module that accepts message obtains the triggering signal of the ON or OFF of peep-proof visual function, and by the triggering signal of acquisition
It is sent to microprocessor；
S2: the received triggering signal of microprocessor, and generate corresponding ON or OFF instruction according to the triggering signal and send
Module is adjusted to display；
S3: it is the positive integer greater than 1 that user's visual memory unit, which provides grayscale parameter an X, the grayscale parameter X,；
S4: display adjustment module carries out calculation process according to the instruction that microprocessor is sent:
When microprocessor sends the instruction signal for being ON, display adjustment module is obtained from user's visual memory unit
Grayscale parameter value X, then the touching display screen content of being shown is obtained, which is adjusted to grayscale mould by conversion formula
It is transmitted to touching display screen after formula, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein
R, G, B are the rgb value for showing each pixel of content, and Gray is to turn in the rgb value after converted wait be backfilled to corresponding pixel
Change value；
When microprocessor sends the instruction signal for being OFF, display adjustment module does not do any operation；
S5: touching display screen is received and is shown by the display content of display adjustment module conveying.
The trigger source that signal is triggered in the step S1 includes entity button, touch screen triggering, speech trigger, gesture touching
Hair, fingerprint triggering, bluetooth triggering and wireless network triggering.
The default value of grayscale parameter X is 4 in the step S3.
In the step S3 user's visual memory unit provide grayscale parameter X generation the following steps are included:
S3-1: it is micro- that there are 2 groups or more grayscale pictures of different grayscale value ranges to be sent to for test picture generation module generation
Processor；
S3-2: the display content of 2 groups or more the grayscale pictures with different grayscale value ranges is transmitted to by microprocessor
Display adjustment module, while send OFF instruct to display adjust module；
S3-3: this is directly included in the display of 2 groups or more grayscale pictures of different grayscale value ranges by display adjustment module
Appearance is delivered to touching display screen test display；
S3-4: user excludes the grayscale picture that can not differentiate by touching display screen, and touching display screen is by the touching of user
Operation information is sent to microprocessor；
S3-5: touching operation information of the user that microprocessor sends touching display screen in test display is as feedback
Information conveyance remembers unit to user's vision；
S3-6: user's visual memory unit judges can not differentiating for user's exclusion based on the feedback information that microprocessor conveys
Grayscale picture, the minimum grayscale picture of gray number is further chosen from remaining distinguishable grayscale picture, according to the grayscale
The minimum corresponding grayscale value range of grayscale picture of number determines a corresponding grayscale parameter X, and grayscale value range is smaller corresponding
The value of grayscale parameter X is bigger, and the value of the more big corresponding grayscale parameter X of grayscale value range is smaller.
It is 7 groups of difference grayscale value ranges that the grayscale picture that picture generation module generates is tested in the step S3-1, respectively
For 0-32,0-36,0-42,0-51,0-63,0-85 and 0-125,7 groups of difference grayscale value ranges described in the step S3-6
Respectively correspond grayscale parameter X value 8,7,6,5,4,3 and 2.
The invention adopts the above technical scheme, and the touching of the ON or OFF that are generated by user are obtained by the module that accepts message
Sender number, then generated by microprocessor and determine whether display adjustment module needs the ON or OFF of operation to instruct accordingly, i.e., in fact
Existing correlation peep-proof function opens or closes, display adjustment module according to ON or OFF instruction accordingly to that will show in
Appearance is adjusted to grayscale mode or is not processed, then exports display content by touching display screen, which is also used to
The human-computer interaction of user and system, through the above technical solutions, the anti-theft endoscope device of running gear of the invention can be any
The display content that need to be adjusted is adjusted to grayscale mode according to conversion formula in real time in program, ensure that peep-proof effect will not be because drawing
The backcolor in face or the difference of prospect text and influenced, keep peep-proof effect consistency.Furthermore the present invention also mentions
Test picture generation module has been supplied to be used to generate the test picture of different grey-scale ranges, user can exclude not according to self-demand
Suitable grey-scale range, user's visual memory unit choose minimum gray scale number in the grayscale picture from remaining grey-scale range
The picture of grey-scale range, and then the grayscale parameter X of conversion formula is adjusted accordingly, it is needed with adapting to the different displays of different user
It asks.The configuration of the present invention is simple, it is novel, it has a good application prospect.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
The structural schematic diagram of the anti-theft endoscope device of Fig. 1 running gear of the present invention；
The flow chart of the anti-peeping method of Fig. 2 running gear of the present invention；
The life for the grayscale parameter X that user's visual memory unit of the anti-peeping method of Fig. 3 running gear of the present invention provides
At flow chart.
Specific embodiment
As shown in Figure 1, the present invention discloses a kind of anti-theft endoscope device of running gear comprising: one accepts message module: using
In the triggering signal for the ON or OFF for obtaining peep-proof visual function, and the triggering signal of acquisition is sent to microprocessor；
One microprocessor: it is configured as when receiving the triggering signal by the module transmission that accepts message, according to the triggering
Signal generates corresponding ON or OFF instruction and is sent to display adjustment module；
One user's visual memory unit: being the positive integer greater than 1 for providing grayscale parameter an X, the grayscale parameter X,
One display adjustment module: for obtaining the display content and instruction of microprocessor conveying；When the instruction received is
When ON is instructed, then the grayscale parameter X provided in user's visual memory unit is further obtained, display content is passed through into conversion formula
It is adjusted to grayscale mode, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein R, G, B are
Show that the rgb value of each pixel of content, Gray are the conversion value in the rgb value after converted wait be backfilled to corresponding pixel, then
The display content of grayscale mode after modification is transmitted to touching display screen；When the instruction received is that OFF is instructed, then will
Display content is transferred directly to touching display screen；
One touching display screen: for receiving and showing by the display content of display adjustment module conveying, and by the touching of user
It touches operation information and is sent to microprocessor.
The trigger source of the triggering signal includes entity button, touch screen triggering, speech trigger, gesture trigger, fingerprint touching
Hair, bluetooth triggering and wireless network triggering.
The default value of grayscale parameter X is 4 in user's visual memory unit.
Further, the anti-theft endoscope device of running gear of the invention further includes a test picture generation module, the survey
Attempt the input terminal of piece generation module connection microprocessor, test picture generation module, which generates, has the 2 of different grayscale value ranges
Group or more grayscale picture be sent to microprocessor, the microprocessor is by 2 groups or more the grayscale with different grayscale value ranges
The display content of picture be transmitted to display adjustment module, while send OFF instruct to display adjust module；Display adjustment module is straight
It connects to test the display content transport that this includes 2 groups or more grayscale pictures of different grayscale value ranges to touching display screen and show,
The grayscale picture that can not be differentiated by user by touching display screen exclusion, microprocessor are surveying the user that touching display screen is sent
Touching operation information in examination display is transported to user's vision note unit as feedback information, and user's visual memory unit is based on micro-
The feedback information of processor conveying judges the grayscale picture that can not be differentiated that user excludes, further from remaining distinguishable grayscale
The minimum grayscale picture of gray number is chosen in picture, is determined according to the corresponding grayscale value range of the minimum grayscale picture of the gray number
The value of one corresponding grayscale parameter X, the smaller corresponding grayscale parameter X of grayscale value range are bigger, the bigger correspondence of grayscale value range
Grayscale parameter X value it is smaller.
The grayscale picture that the test picture generation module generates is 7 groups of difference grayscale value ranges, respectively 0-32,0-
36,0-42,0-51,0-63,0-85 and 0-125 respectively correspond grayscale parameter X value 8,7,6,5,4,3 and 2.
As shown in Fig. 2, running gear used by anti-theft endoscope device the invention also discloses the running gear
Glance prevention method comprising following steps:
S1: the module that accepts message obtains the triggering signal of the ON or OFF of peep-proof visual function, and by the triggering signal of acquisition
It is sent to microprocessor；
S2: the received triggering signal of microprocessor, and generate corresponding ON or OFF instruction according to the triggering signal and send
Module is adjusted to display；
S3: it is the positive integer greater than 1 that user's visual memory unit, which provides grayscale parameter an X, the grayscale parameter X,；
S4: display adjustment module carries out calculation process according to the instruction that microprocessor is sent:
When microprocessor sends the instruction signal for being ON, display adjustment module is obtained from user's visual memory unit
Grayscale parameter value X, then the touching display screen content of being shown is obtained, which is adjusted to grayscale mould by conversion formula
It is transmitted to touching display screen after formula, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein
R, G, B are the rgb value for showing each pixel of content, and Gray is to turn in the rgb value after converted wait be backfilled to corresponding pixel
Change value；
When microprocessor sends the instruction signal for being OFF, display adjustment module does not do any operation；
S5: touching display screen is received and is shown by the display content of display adjustment module conveying.
The trigger source that signal is triggered in the step S1 includes entity button, touch screen triggering, speech trigger, gesture touching
Hair, fingerprint triggering, bluetooth triggering and wireless network triggering.
The default value of grayscale parameter X is 4 in the step S3.
As shown in figure 3, the generation for the grayscale parameter X that user's visual memory unit provides in the step S3 includes following step
It is rapid:
S3-1: it is micro- that there are 2 groups or more grayscale pictures of different grayscale value ranges to be sent to for test picture generation module generation
Processor；
S3-2: the display content of 2 groups or more the grayscale pictures with different grayscale value ranges is transmitted to by microprocessor
Display adjustment module, while send OFF instruct to display adjust module；
S3-3: this is directly included in the display of 2 groups or more grayscale pictures of different grayscale value ranges by display adjustment module
Appearance is delivered to touching display screen test display；
S3-4: user excludes the grayscale picture that can not differentiate by touching display screen, and touching display screen is by the touching of user
Operation information is sent to microprocessor；
S3-5: touching operation information of the user that microprocessor sends touching display screen in test display is as feedback
Information conveyance remembers unit to user's vision；
S3-6: user's visual memory unit judges can not differentiating for user's exclusion based on the feedback information that microprocessor conveys
Grayscale picture, the minimum grayscale picture of gray number is further chosen from remaining distinguishable grayscale picture, according to the grayscale
The minimum corresponding grayscale value range of grayscale picture of number determines a corresponding grayscale parameter X, and grayscale value range is smaller corresponding
The value of grayscale parameter X is bigger, and the value of the more big corresponding grayscale parameter X of grayscale value range is smaller.
It is 7 groups of difference grayscale value ranges that the grayscale picture that picture generation module generates is tested in the step S3-1, respectively
For 0-32,0-36,0-42,0-51,0-63,0-85 and 0-125,7 groups of difference grayscale value ranges described in the step S3-6
Respectively correspond grayscale parameter X value 8,7,6,5,4,3 and 2.
The invention adopts the above technical scheme, and the touching of the ON or OFF that are generated by user are obtained by the module that accepts message
Sender number, then generated by microprocessor and determine whether display adjustment module needs the ON or OFF of operation to instruct accordingly, i.e., in fact
Existing correlation peep-proof function opens or closes, display adjustment module according to ON or OFF instruction accordingly to that will show in
Appearance is adjusted to grayscale mode or is not processed in real time, then exports display content by touching display screen, and the touching display screen is also
For the human-computer interaction of user and system, through the above technical solutions, the anti-theft endoscope device of running gear of the invention can be
The display content that need to be adjusted is adjusted to grayscale mode according to conversion formula in real time in any program, ensure that peep-proof effect will not
It is influenced due to the difference of the backcolor of picture or prospect text, keeps the consistency of peep-proof effect.Furthermore of the invention
The test picture that test picture generation module is used to generate different grey-scale ranges is additionally provided, user can arrange according to self-demand
Except inappropriate grey-scale range, user's visual memory unit chooses minimum gray scale in the grayscale picture from remaining grey-scale range
The picture of several grey-scale ranges, and then the grayscale parameter X of conversion formula is adjusted accordingly, it is aobvious with the difference for adapting to different user
Show demand.The configuration of the present invention is simple, it is novel, it has a good application prospect.
Claims (8)
1. the anti-theft endoscope device of running gear, it is characterised in that: comprising:
One accepts message module: for obtaining the triggering signal of the ON or OFF of peep-proof visual function, and by the triggering signal of acquisition
It is sent to microprocessor；
One microprocessor: it is configured as when receiving the triggering signal by the module transmission that accepts message, according to the triggering signal
It generates corresponding ON or OFF instruction and is sent to display adjustment module；
One user's visual memory unit: being the positive integer greater than 1 for providing grayscale parameter an X, the grayscale parameter X,
One display adjustment module: for obtaining the display content and instruction of microprocessor conveying；When the instruction received refers to for ON
When enabling, then the grayscale parameter X provided in user's visual memory unit is further obtained, display content is adjusted by conversion formula
For grayscale mode, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein R, G, B are display
The rgb value of each pixel of content, Gray is the conversion value in the rgb value after converted wait be backfilled to corresponding pixel, then will be repaired
The display content of grayscale mode after correcting one's mistakes is transmitted to touching display screen；It, then will display when the instruction received is that OFF is instructed
Content is transferred directly to touching display screen；
One touching display screen: for receiving and showing by the display content of display adjustment module conveying, and the touching of user is grasped
Microprocessor is sent to as information；
It further includes a test picture generation module, the input terminal of the test picture generation module connection microprocessor, test
Picture generation module generates, and there are 2 groups or more grayscale pictures of different grayscale value ranges to be sent to microprocessor, the micro process
The display content of 2 groups or more the grayscale pictures with different grayscale value ranges is transmitted to display adjustment module by device, is sent out simultaneously
It send OFF to instruct and adjusts module to display；This is directly included 2 groups or more gray-scale figures of different grayscale value ranges by display adjustment module
The display content transport of piece is tested to touching display screen and is shown, the gray-scale figure that can not be differentiated by user by touching display screen exclusion
Touching operation information of the user that touching display screen is sent in test display is transported to by piece, microprocessor as feedback information
User's vision remembers that unit, user's visual memory unit judge can not dividing for user's exclusion based on the feedback information that microprocessor conveys
The grayscale picture distinguished further chooses the minimum grayscale picture of gray number, according to the ash from remaining distinguishable grayscale picture
The corresponding grayscale value range of the minimum grayscale picture of order determines a corresponding grayscale parameter X, the smaller correspondence of grayscale value range
Grayscale parameter X value it is bigger, the value of the more big corresponding grayscale parameter X of grayscale value range is smaller；
Specifically, it is described test picture generation module generate grayscale picture be 7 groups of difference grayscale value ranges, respectively 0-32,
0-36,0-42,0-51,0-63,0-85 and 0-125 respectively correspond grayscale parameter X value 8,7,6,5,4,3 and 2.
2. the anti-theft endoscope device of running gear according to claim 1, it is characterised in that: the trigger source of the triggering signal
Including entity button, touch screen triggering, speech trigger, gesture trigger, fingerprint triggering, bluetooth triggering and wireless network triggering.
3. the anti-theft endoscope device of running gear according to claim 1, it is characterised in that: user's visual memory unit
The default value of middle grayscale parameter X is 4.
4. the glance prevention method of running gear used by the anti-theft endoscope device of running gear according to claim 1,
Be characterized in that: itself the following steps are included:
S1: the module that accepts message obtains the triggering signal of the ON or OFF of peep-proof visual function, and the triggering signal of acquisition is sent
To microprocessor；
S2: the received triggering signal of microprocessor, and according to the triggering signal generate corresponding ON or OFF instruction be sent to it is aobvious
Show adjustment module；
S3: it is the positive integer greater than 1 that user's visual memory unit, which provides grayscale parameter an X, the grayscale parameter X,；
S4: display adjustment module carries out calculation process according to the instruction that microprocessor is sent:
When microprocessor sends the instruction signal for being ON, display adjustment module obtains grayscale from user's visual memory unit
Parameter value X, then the touching display screen content of being shown is obtained, after which is adjusted to grayscale mode by conversion formula
It is transmitted to touching display screen, the conversion formula is Gray=INT (((R*77+ G*150+B*29) > > 8)/X), wherein R, G, B
For the rgb value of each pixel of display content, Gray is the conversion value in the rgb value after converted wait be backfilled to corresponding pixel；
When microprocessor sends the instruction signal for being OFF, display adjustment module does not do any operation；
S5: touching display screen is received and is shown by the display content of display adjustment module conveying.
5. the glance prevention method of running gear according to claim 4, it is characterised in that: trigger signal in the step S1
Trigger source include entity button, touch screen triggering, speech trigger, gesture trigger, fingerprint triggering, bluetooth triggering and wireless network
Triggering.
6. the glance prevention method of running gear according to claim 4, it is characterised in that: grayscale parameter in the step S3
The default value of X is 4.
7. the glance prevention method of running gear according to claim 4, it is characterised in that: user's vision in the step S3
Memory unit provide grayscale parameter X generation the following steps are included:
S3-1: test picture generation module generates, and there are 2 groups or more grayscale pictures of different grayscale value ranges to be sent to micro process
Device；
S3-2: the display content of 2 groups or more the grayscale pictures with different grayscale value ranges is transmitted to display by microprocessor
Adjust module, while send OFF instruct to display adjust module；
S3-3: display adjustment module is directly defeated by the display content for including 2 groups or more grayscale pictures of different grayscale value ranges
It send to touching display screen to test and show；
S3-4: user excludes the grayscale picture that can not be differentiated by touching display screen, and touching display screen operates the touching of user
Information is sent to microprocessor；
S3-5: touching operation information of the user that microprocessor sends touching display screen in test display is as feedback information
It is transported to user's vision note unit；
S3-6: user's visual memory unit judges the ash that can not be differentiated that user excludes based on the feedback information that microprocessor conveys
Rank picture further chooses the minimum grayscale picture of gray number, most according to the gray number from remaining distinguishable grayscale picture
The corresponding grayscale value range of low grayscale picture determines a corresponding grayscale parameter X, the smaller corresponding grayscale of grayscale value range
The value of parameter X is bigger, and the value of the more big corresponding grayscale parameter X of grayscale value range is smaller.
8. the glance prevention method of running gear according to claim 7, it is characterised in that: test chart in the step S3-1
The grayscale picture that piece generation module generates is 7 groups of difference grayscale value ranges, respectively 0-32,0-36,0-42,0-51,0-63,0-
85 and 0-125,7 groups of difference grayscale value ranges described in the step S3-6 respectively correspond grayscale parameter X value 8,7,6,5,4,3
With 2.
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