CN102651819B - Peep-proof method and 3D (three-dimensional) display device - Google Patents
Peep-proof method and 3D (three-dimensional) display device Download PDFInfo
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- CN102651819B CN102651819B CN201110080444.7A CN201110080444A CN102651819B CN 102651819 B CN102651819 B CN 102651819B CN 201110080444 A CN201110080444 A CN 201110080444A CN 102651819 B CN102651819 B CN 102651819B
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000010287 polarization Effects 0.000 claims description 9
- 208000008918 voyeurism Diseases 0.000 abstract description 19
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Abstract
The invention discloses a peep-proof method and a 3D (three-dimensional) display device. The peep-proof method is applied to a 3D plane display matched with 3D glasses, the 3D glasses are provided with a left eye polarized light filter and a right eye polarized light filter, the method outputs a first image to odd-numbered rows of pixels of the 3D plane display, controls a first light source of the odd-numbered rows of pixels to be polarized towards a first direction, enables the odd-numbered rows of pixels to display the first image towards the first direction, simultaneously outputs a second image different from the first image to even-numbered rows of pixels, controls a second light source of the even-numbered rows of pixels to be polarized towards a second direction, enables the even-numbered rows of pixels to display the second image towards the second direction, and enables the left eye polarized light filter and the right eye polarized light filter of the 3D glasses to be rotated to the first direction, so that the first image is received and the second image is blocked. Therefore, a user wearing the 3D glasses can clearly see the first image, but the naked eye can be interfered by the second image and cannot clearly see the first image, and the purpose of peeping prevention is achieved.
Description
Technical field
The present invention relates to a kind of anti-peeping method, the anti-peeping method and 3D of more particularly to a kind of utilization 3D Display Techniques is three-dimensional
Display device.
Background technology
Common people always worry that other people are spied on notebook computer screen when open place uses notebook computer
Picture, therefore based on privacy or the demand of secrecy, some people can buy peep-proof paster and be attached on the screen of notebook computer.But
It is peep-proof paster it is possible that following shortcoming：
1. cannot peep-proof completely：Peep-proof paster provides 60 degree or so of angle of visibility, so other people in angular field of view
Still can see that the content on screen.
2. in-convenience in use：When needing and other people watch screen jointly, need to remove peep-proof paster, afterwards must be by
Peep-proof paster is pasted back again.
3. brightness decay：Only close original brightness can be seen in the front position of complete vertical peep-proof paster,
But as long as somewhat off vertical direction, just may feel that brightness substantially decays.
As can be seen here, the anti-peeping method and product of above-mentioned existing notebook computer be in method, product structure and use,
Obviously inconvenience and defect have been still suffered from, and has urgently been further improved.In order to solve above-mentioned problem, relevant manufactures are not
Not painstakingly seeking solution, but have no that applicable design is developed completing always for a long time, and conventional method and
Product can solve the problem that the problems referred to above without appropriate method and structure again, and this is clearly related dealer's problem suddenly to be solved.Cause
How this founds a kind of new anti-peeping method and 3D 3 d display devices, and real category is currently important to research and develop one of problem, also becomes
Current industry pole needs improved target.
The content of the invention
It is an object of the present invention to overcome the defect that the anti-peeping method and product of existing notebook computer are present, and carry
For a kind of new anti-peeping method and 3D 3 d display devices, technical problem to be solved is to make it apply existing 3D solids glimmering
Curtain equipment is very suitable for practicality reaching the purpose of peep-proof and solve the problems, such as above-mentioned prior art.
The object of the invention to solve the technical problems employs the following technical solutions to realize.According to present invention proposition
A kind of anti-peeping method, apply one collocation one 3D anaglyph spectacleses 3D flat-panel screens, the 3D anaglyph spectacleses have a left eye
Polarizing filter and a right eye polarizing filter, the method includes：
(A) odd column pixel of one first image to the 3D flat-panel screens is exported, and controls those odd column pixels
One first light source makes those odd column pixels show first image towards the first direction towards a first direction polarisation；
(B) even column pixels of second image different from first image to the 3D flat-panel screens are exported, and is controlled
A secondary light source of those even column pixels is made towards a second direction polarisation, those even column pixels is shown towards the second direction
First image；And
(C) the left eye polarizing filter and right eye polarizing filter of the 3D anaglyph spectacleses are all gone to into the first direction, makes reception
First image simultaneously stops second image.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
It is preferred that aforesaid anti-peeping method, wherein described first direction is vertical each other with second direction.
It is preferred that aforesaid anti-peeping method, wherein the second described image is the complementary image of first image.
It is preferred that aforesaid anti-peeping method, wherein the second described image also includes a noise.
The object of the invention to solve the technical problems also employs the following technical solutions to realize.According to proposed by the present invention
A kind of a kind of 3D 3 d display devices using above-mentioned anti-peeping method, including a 3D anaglyph spectacleses and a 3D flat-panel screens.
The 3D anaglyph spectacleses control the left eye polarizing filter with a left eye polarizing filter and a right eye polarizing filter and one
And the controller of the polarization direction of the right eye polarizing filter.
The 3D flat-panel screens, comprising a display floater with multiple row pixels, one controls the polarisation light of those pixels
The light source control unit in source, one provides the image process unit of signal of video signal, and a display pattern switch unit.
The display pattern switch unit receives a peep-proof mode signal, can control the image process unit and export one first shadow
Those odd column pixels as giving the display floater, and it is inclined towards a first direction to control one first light source of those odd column pixels
Light, makes those odd column pixels show first image towards the first direction, at the same control image process unit output one with
The even column pixels of the different interference images of first image to the display floater, and control the one second of those even column pixels
Light source makes those even column pixels show the interference images towards the second direction towards a second direction polarisation, and Synchronization Control should
The controller of 3D anaglyph spectacleses, makes for the left eye polarizing filter and the right eye polarizing filter all to go to the first direction, to receive
First image simultaneously stops the interference images.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
It is preferred that aforesaid 3D 3 d display devices, wherein described first direction is vertical each other with second direction.
It is preferred that aforesaid 3D 3 d display devices, wherein the second described image is the complementary image of first image.
It is preferred that aforesaid 3D 3 d display devices, wherein the second described image also includes a noise.
It is preferred that aforesaid 3D 3 d display devices, wherein described display pattern switch unit receives a 3D shows mould
Formula signal, can control the image process unit by the odd column image data of a picture image constitute first image and export to
Those odd column pixels of the display floater, and one second image output that the even column image data of the picture image is constituted
To those even column pixels of the display floater, and the light source control unit is made to control first light source of those odd column pixels
Towards the first direction polarisation, make those odd column pixels show first image towards the first direction, and control those even columns
The secondary light source of pixel makes those even column pixels show second image towards the second direction towards the second direction polarisation,
And the controller of the Synchronization Control 3D anaglyph spectacleses, make for the right eye polarizing filter to go to the first direction, to receive from this
First image of first direction, and the left eye polarizing filter is gone to into the second direction, to receive the from the second direction
Two images.
The present invention has compared with prior art clear advantage and beneficial effect.By above-mentioned technical proposal, the present invention
Anti-peeping method and 3D 3 d display devices at least have following advantages and beneficial effect：The present invention by existing 3D stereoscopic displays
Technology, image frame to be shown is exported to the odd column of 3D three-dimensional displays (or even column) pixel, and makes those odd numbers
Row pixel shows the image frame towards a first direction, and an interference images are exported to the even column of 3D three-dimensional displays (or
Odd column) pixel, and make those even column pixels show the interference images towards a second direction vertical with the first direction, together
When control the left eye polarizing filter and right eye polarizing filter of 3D anaglyph spectacleses and all go to first direction, make to receive image frame simultaneously
And stop interference images, allow the other people of non-prestowage 3D anaglyph spectacleses to spy on the image frame that screen shows whereby, so as to reach
To the purpose of peep-proof of the present invention.In sum, the invention relates to a kind of anti-peeping method and 3D 3 d display devices.The peep-proof
Method, applies the 3D flat-panel screens in collocation 3D anaglyph spectacleses, the 3D anaglyph spectacleses to have left eye polarizing filter and right eye inclined
Light filter disc, the method exports the odd column pixel of the first image to the 3D flat-panel screens, and controls those odd column pixels
First light source makes those odd column pixels show first image, and while output towards the first direction towards first direction polarisation
One second image different from first image controls the secondary light source court of those even column pixels to those even column pixels
Second direction polarisation, makes those even column pixels show second image towards the second direction, and by a left side for the 3D anaglyph spectacleses
Eye polarizing filter and right eye polarizing filter all go to the first direction, make reception first image and stop second image.Borrow
This, the user for making wearing 3D anaglyph spectacles is apparent that the first image, but naked then can be disturbed by the second image depending on person
And the first image cannot be clearly seen, reach the purpose of peep-proof.The present invention technically has significant progress, and with obvious
Good effect, is really a new and innovative, progressive, practical new design.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the present invention above and other objects, features and advantages can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Description of the drawings
Fig. 1 is the flow chart of a preferred embodiment of anti-peeping method of the present invention.
Fig. 2 is that the schematic diagram of the 3D anaglyph spectacleses of a preferred embodiment of 3D 3 d display devices of the present invention and 3D are three-dimensional aobvious
Show the main circuit block diagram of device.
Fig. 3 is the signal of presentation content shown by each row pixel on display floater of the present embodiment under 3D display patterns
Figure.
Fig. 4 shows the left eye polarizing filter and right eye polarizing filter of 3D anaglyph spectacles of the present embodiment under 3D display patterns
The different and vertical each other schematic diagram of polarization direction.
Fig. 5 is the signal of presentation content shown by each row pixel on display floater of the present embodiment under peep-proof pattern
Figure.
Fig. 6 shows the left eye polarizing filter of 3D anaglyph spectacles of the present embodiment under peep-proof pattern and right eye polarizing filter
Polarization direction identical schematic diagram.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to anti-peeping method proposed by the present invention and 3D 3 d display devices its specific embodiments, side
Method, step, structure, feature and its effect, describe in detail as after.
For the present invention aforementioned and other technology contents, feature and effect, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of specific embodiment, when can be to the present invention to reach predetermined mesh
The technological means taken and effect obtain one more deeply and it is specific understand, but institute's accompanying drawings be only to provide with reference to
Purposes of discussion, not for being any limitation as to the present invention.
Refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the flow chart of a preferred embodiment of anti-peeping method of the present invention, and Fig. 2 is should
With the schematic diagram and 3D three-dimensional displays of the 3D anaglyph spectacleses of a preferred embodiment of the 3D 3 d display devices of the anti-peeping method
Main circuit block diagram.The 3D 3 d display devices of present pre-ferred embodiments include that a 3D anaglyph spectacleses 2 and a 3D are three-dimensional
Display 3.
3D anaglyph spectacleses 2 have a left eye polarizing filter 21 and a right eye polarizing filter 22, and a control left eye polarisation
The controller 23 of the polarization direction of filter disc 21 and right eye polarizing filter 22.
3D three-dimensional displays 3 are aobvious comprising a display floater 31, a light source control unit 32, an image process unit 33 and
Show mode switch element 34.
As shown in figure 3, Fig. 3 is image shown by each row pixel on display floater of the present embodiment under 3D display patterns
The schematic diagram of content.Display floater 31 is a display panels in the present embodiment, and it includes the liquid being made up of multiple pixel ps
Crystal panel 30 and associated driver circuitry (not shown).And those pixel ps form multiple pixel column r1、r2、r3、...rn。
Light source control unit 32 is to control the polarization light source direction of the pixel p of display floater 31.
Image process unit 33 is to provide a signal of video signal to display floater 31.
Display pattern switch unit 34 is to the display mode according to display pattern control instruction control display floater 31.
And display pattern switch unit 34 can be communicated using wired or wireless way with the controller 23 of 3D anaglyph spectacleses 2,
It is as a example by using wireless communication mode in the present embodiment.
When display pattern switch unit 34 receives a 3D display pattern signals, image process unit 33 can be controlled by a preparation
Odd column image data in the picture image of output constitutes one first image R, and as shown in figure 3, exports to display floater 31
Those odd column pixels r1、r3、r5...rn-1(being represented with " R " in Fig. 3), and by the even column image data in picture image
Constitute one second image L and export to those even column pixels r of display floater 312、r4、r6...rn(with " L " table in Fig. 3
Show), and make light source control unit 32 control those odd column pixels r1、r3、r5...rn-1One first light source towards a first direction
Polarisation, makes those odd column pixels r1、r3、r5...rn-1The first image R is shown towards the first direction, with season light source control list
Unit 32 controls those even column pixels r2、r4、r6...rnA secondary light source towards a second direction polarisation, make those even column pictures
Plain r2、r4、r6...rnThe second image L is shown towards the second direction.
Simultaneously as shown in figure 4, Fig. 4 shows the left eye polarizing filter of 3D anaglyph spectacles of the present embodiment under 3D display patterns
And the different and vertical each other schematic diagram of polarization direction of right eye polarizing filter.Display pattern switch unit 34 can Synchronization Control 3D
The controller 23 of anaglyph spectacles 2, makes for right eye polarizing filter 22 to go to first direction, to receive the first shadow from first direction
As R, and left eye polarizing filter 21 is gone to into second direction, to receive the second image L from second direction, wherein first direction
It is horizontally oriented, second direction is vertically oriented that (or first direction is 45 ° of directions, and second direction is 135 ° of directions, Liang Zhexiang
Differ from 90 °), whereby when user wears 3D anaglyph spectacleses 2, the right eye of user will only see those odd column pixels r1、r3、
r5...rn-1The the first image R for showing, and the left eye of user will only see those even column pixels r2、r4、r6...rnShow
Second image L, then the picture image of the eyes presentation solid by the first image R and the second image L combinations via user.This
Kind of polarization light technology is also one of the mode for showing 3D stereopsis at present.
And be the purpose that peep-proof is reached using above-mentioned 3D Display Techniques the characteristics of the present invention.Therefore such as the step of Fig. 1
Shown in rapid 11, when display pattern switch unit 34 receives a peep-proof mode signal, the output of image process unit 33 first can be controlled
Those odd column pixel rs of the image R (or second image L) to display floater 311、r3、r5...rn-1(being represented with " R " in Fig. 5),
As shown in figure 5, and making light source control unit 32 control a little odd column pixel r1、r3、r5...rn-1The first light source towards first direction
Polarisation, makes those odd column pixels r1、r3、r5...rn-1The first image R (or second is shown towards first direction (i.e. horizontal direction)
Image L), and step 12 is carried out, make image process unit 33 export an interference different from the first image R (or second image L)
Those even column pixels rs of the image F to display floater 312、r4、r6...rn(being represented with " F " in Fig. 5), and make light source control list
Unit 32 controls those even column pixels r2、r4、r6...rnSecondary light source towards second direction polarisation, make those even column pixels r2、
r4、r6...rnTowards second direction (i.e. vertical direction) the display interference image F, meanwhile, as shown in fig. 6, display pattern switching is single
The controller 23 of first 34 Synchronization Control 3D anaglyph spectacleses 2, makes for left eye polarizing filter 21 and right eye polarizing filter 22 all to go to the
One direction (horizontal direction), makes to receive the first image R (or second image L) simultaneously and stop interference images F.Certainly, also can be by
First image R (or second image L) is exchanged with interference images F, that is, interference images F are exported to those odd column pixels r1、r3、
r5...rn-1, and the first image R (or second image L) is exported to those even column pixels r2、r4、r6...rn。
Whereby, when user's prestowage 3D glasses 2, user can pass through the first image R that glasses are clearly seen plane, but
Not can be appreciated that interference images F, and due to present image analytic degree (or dpi, dotper inch) it is all at a relatively high, so i.e.
The first image R (or second image L) is set there was only the half data of raw frames image, user can't discover and raw frames
Image has difference.Conversely, the user without prestowage 3D glasses 2 is then because of the naked relation for regarding, can see simultaneously the first image R (or
Second image L) and the composite image that is alternately produced of interference images F, so that the first image R cannot be seen, and reaching prevents glimmering
The purpose that the image that curtain shows is spied on.
It is noted that in the present embodiment interference images F can be the complementation of the first image R (or second image L)
Image (complementary colours), this can cause both to mix relief does not have the whole screen that the user of prestowage 3D anaglyph spectacleses 2 sees to become
Into a piece of grey.Additionally, noise can also be added in interference images F, can further disturb the vision of bore hole and strengthen peep-proof
Effect.
Additionally, the 3D three-dimensional displays 3 of the present embodiment can be independent (stand-alone) displays or be incorporated into
As the screen display of notebook computer on notebook computer.
In sum, above-described embodiment is by existing 3D stereo display techniques, by an image frame to be shown export to
Odd column (or even column) pixel of 3D three-dimensional displays 3, and make those odd column pixels show the image towards a first direction
Picture, and an interference images are exported to the even column of 3D three-dimensional displays 3 (or odd column) pixel, and make those even column pictures
Element shows the interference images towards a second direction vertical with the first direction, while controlling the left eye polarisation of 3D anaglyph spectacleses 2
Filter disc 21 and right eye polarizing filter 22 all go to first direction, make to receive image frame simultaneously and stop interference images F, allow whereby
The other people of non-prestowage 3D anaglyph spectacleses 2 cannot spy on the image frame that screen shows, and reach peep-proof of the present invention effect and
Purpose, and solve the shortcoming of the peep-proof paster of prior art.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when making a little change or modification using the technology contents of the disclosure above
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (5)
1. a kind of 3D 3 d display devices, an including 3D anaglyph spectacleses and a 3D flat-panel screens, the 3D anaglyph spectacleses have one
The polarization direction of left eye polarizing filter, a right eye polarizing filter and the control left eye polarizing filter and the right eye polarizing filter
Controller；It is characterized in that：
The 3D flat-panel screens is included：
One display floater, it has the row pixel of multiple odd column pixels and multiple even column pixels composition；
The light source control unit of one polarization light source for controlling those pixels；
The image process unit of one offer signal of video signal；And
One display pattern switch unit, it receives a peep-proof mode signal, can control the image process unit output one first
Image gives those odd column pixels of the display floater, and controls one first light source of those odd column pixels towards a first direction
Polarisation, makes those odd column pixels show first image towards the first direction, while controlling the image process unit output one
The even column pixels of second image to the display floater different from first image, and control the one of those even column pixels
Two light sources make those even column pixels show second image, and Synchronization Control towards the second direction towards a second direction polarisation
The controller of the 3D anaglyph spectacleses, makes for the left eye polarizing filter and the right eye polarizing filter all to go to the first direction, to connect
Receive first image and stop second image.
2. 3D 3 d display devices as claimed in claim 1, it is characterised in that：The first direction hangs down each other with second direction
Directly.
3. 3D 3 d display devices as claimed in claim 1, it is characterised in that：Second image is the complementation of first image
Image.
4. 3D 3 d display devices as claimed in claim 3, it is characterised in that：Second image also includes a noise.
5. 3D 3 d display devices as claimed in claim 1, it is characterised in that：The display pattern switch unit receives a 3D and shows
Show mode signal, the image process unit can be controlled the odd column image data of one picture image is constituted into first image and defeated
Go out to those odd column pixels of the display floater, and one second image that the even column image data of the picture image is constituted
Export to those even column pixels of the display floater, and make the light source control unit control those odd column pixels this first
Light source makes those odd column pixels show first image towards the first direction towards the first direction polarisation, and controls those idols
The secondary light source of ordered series of numbers pixel makes those even column pixels show second shadow towards the second direction towards the second direction polarisation
Picture, and the controller of the Synchronization Control 3D anaglyph spectacleses, make for the right eye polarizing filter to go to the first direction, with receive from
First image of the first direction, and the left eye polarizing filter is gone to into the second direction, to receive from the second direction
Second image.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100106019 | 2011-02-23 | ||
| TW100106019A TWI436099B (en) | 2011-02-23 | 2011-02-23 | Privacy filtering method and 3d display device |
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| Publication Number | Publication Date |
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| CN102651819A CN102651819A (en) | 2012-08-29 |
| CN102651819B true CN102651819B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110080444.7A Active CN102651819B (en) | 2011-02-23 | 2011-03-29 | Peep-proof method and 3D (three-dimensional) display device |
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| Country | Link |
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| CN (1) | CN102651819B (en) |
| TW (1) | TWI436099B (en) |
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| CN102256153A (en) * | 2011-07-20 | 2011-11-23 | 冠捷显示科技（厦门）有限公司 | Adjustable polarizing type 3D (Three Dimensional) and 2D (Two Dimensional) compatible 3D eyeglasses and adjusting method thereof |
| CN103096112B (en) * | 2012-10-30 | 2014-10-22 | 青岛海信电器股份有限公司 | Two-dimension (2D)/three-dimension (3D) polarized light display method, polarized light display device and television |
| CN104090374B (en) * | 2014-06-18 | 2016-08-17 | 京东方科技集团股份有限公司 | Anti-peep display system and method, anti-peeping display, anti-peeping glasses |
| CN104614885B (en) * | 2015-03-05 | 2017-04-05 | 京东方科技集团股份有限公司 | A kind of display device and display system |
| CN104796686B (en) * | 2015-04-07 | 2017-08-01 | 上海交通大学 | System and method is shown based on the information security that spatial domain psycho-visual is modulated |
| CN104751768A (en) * | 2015-04-24 | 2015-07-01 | 京东方科技集团股份有限公司 | Display, display driving method and display system |
| CN105093532A (en) | 2015-08-03 | 2015-11-25 | 京东方科技集团股份有限公司 | Virtual reality glasses and display method |
| CN105573491B (en) * | 2015-11-13 | 2018-09-07 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | The virtual man-machine interactive system of bore hole 3D privacy formulas and method |
| CN106534837B (en) * | 2016-12-13 | 2018-03-20 | 中国工程物理研究院流体物理研究所 | A kind of anti-peeping 3D imaging methods of wide colour gamut |
| CN108459429B (en) * | 2017-02-22 | 2021-04-20 | 京东方科技集团股份有限公司 | Display device and driving method thereof, display system and display method thereof |
| CN110646945B (en) * | 2019-09-29 | 2021-11-12 | 京东方科技集团股份有限公司 | Display device and display method |
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|---|---|
| TWI436099B (en) | 2014-05-01 |
| TW201235704A (en) | 2012-09-01 |
| CN102651819A (en) | 2012-08-29 |
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