CN102118626A - Electronic device and method for displaying three-dimensional object thereby - Google Patents
Electronic device and method for displaying three-dimensional object thereby Download PDFInfo
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- CN102118626A CN102118626A CN2010100022017A CN201010002201A CN102118626A CN 102118626 A CN102118626 A CN 102118626A CN 2010100022017 A CN2010100022017 A CN 2010100022017A CN 201010002201 A CN201010002201 A CN 201010002201A CN 102118626 A CN102118626 A CN 102118626A
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Abstract
The invention discloses an electronic device and a method for displaying a three-dimensional object thereby. The method for displaying the three-dimensional object is applicable to a three-dimensional display, wherein the three-dimensional display is provided with a plurality of first display regions and a plurality of second display regions which are staggered with each other. The method for displaying the three-dimensional object comprises the following steps of: displaying the three-dimensional object on the three-dimensional display, wherein the three-dimensional object consists of a first display image and a second display image, and the first display image and the second display image are respectively displayed on the first display regions and the second display regions; and adjusting the position or the size of the region of the three-dimensional object by taking a single first display region and an adjacent single second display region as a minimum moving unit.
Description
Technical field
The invention relates to a kind of electronic installation and object display packing thereof, and particularly relevant for a kind of electronic installation and three-dimensional body display packing thereof.
Background technology
In science and technology was constantly brought forth new ideas the process of changes persuing, the plane of conventional two-dimensional form shows can't satisfy popular demand gradually, and then needs could more enrich the requirement of user for vision with the stereo display effect of three-dimensional viewfinder.
Human right and left eyes has 65 millimeters spacing approximately, therefore left eye and the right eye image that receives the external world has difference slightly, by brain in conjunction with left eye and right eye the flat image that receives respectively, can allow the human distance perspective that produces the space, and be distinguished the distance of things.So, three-dimensional stereo display technique is that this kind illusion according to the mankind develops out.
Figure 1A is the schematic diagram of known a kind of 3-dimensional image, and Figure 1B and Fig. 1 C are the schematic diagrames of two two-dimentional show images being disassembled out by the 3-dimensional image of Figure 1A.Please refer to Figure 1A～1C, the two-dimentional show image of Figure 1B and Fig. 1 C is watch will for respectively user's left eye and right eye, with corresponding user's left eye visual angle and right eye visual angle, and shown in the actual striograph of Fig. 1 D and Fig. 1 E.
When user's left eye and right eye were watched the striograph of Fig. 1 D (Figure 1B) and Fig. 1 E (Fig. 1 C) respectively, user's brain can be in conjunction with these two striographs to produce three-dimensional Space.
For reaching aforementioned effect, the prior art meeting is divided into the left seeing image of a plurality of vertical bar shapes as LI with the two-dimentional show image of Figure 1B earlier, and the right seeing image that the two-dimentional show image of Fig. 1 C is divided into a plurality of vertical bar shapes is as RI, and these left seeing images are staggered as RI in regular turn as LI and right seeing image forms the 3-dimensional image of Figure 1A at last.
Fig. 2 is the front view of known a kind of three dimensional display.Please refer to Fig. 2 and Figure 1A, this three dimensional display 210 has row and looks viewing area LA and viewing area RA is looked on a plurality of right side to staggered a plurality of left sides, and in order to show the 3-dimensional image of Figure 1A, wherein the left seeing image of the corresponding demonstration of viewing area LA meeting is looked as LI in a left side, and the right seeing image of the corresponding demonstration of viewing area RA meeting is looked as RI in the right side.
By micro-bit phase difference film (Micro-retarder), parallax barrier (Barrier) or lens pillar (lenticular) technology, the left seeing image that a left side can be looked viewing area LA demonstration only can be sent to user's left eye as LI, and the right side looked right seeing image that viewing area RA shows as the right eye that RI only can be sent to the user, use the illusion effect that allows the user produce three-dimensional space.
Yet present three-dimensional stereo display technique all only is applied in the full screen demonstration of three dimensional display 210, and does not have the three-dimensional viewfinder (3D Window) with general size to pull function mobile and that amplification is dwindled.So can cause three dimensional display 210 to show the single 3 D image, desire the demand that the while multiplex (MUX) handles a plurality of three-dimensional viewfinders and can't satisfy the user with full-screen mode.
Summary of the invention
In view of this, a wherein purpose of the present invention provides a kind of three-dimensional body display packing, can allow the user that three-dimensional body is pulled to move to reach to amplify and dwindle, and can not produce ghost (ghost) effect or error picture, use the multiplex (MUX) and handle a plurality of three-dimensional bodies.
In addition, another object of the present invention provides a kind of electronic installation, can allow its three dimensional display correctly show the mobile three-dimensional body that amplifies after dwindling that reaches of towing.
For reaching above-mentioned or other purpose, the present invention proposes a kind of three-dimensional body display packing, is applicable to a three dimensional display.This three dimensional display has staggered a plurality of first viewing area and a plurality of second viewing area, and these first viewing areas and second viewing area a corresponding user's one first visual experience district and one second visual experience district respectively.The three-dimensional body display packing comprises the following steps: to show that a three-dimensional body is on three dimensional display, and this three-dimensional viewfinder is made of one first show image and one second show image, and first show image and second show image are to be shown in these first viewing areas and second viewing area respectively; And be a minimum Moving Unit with single first viewing area and adjacent single second viewing area, adjust the position or the area size of this three-dimensional body.
Wherein, aforesaid first viewing area and second viewing area can be row to be staggered (row-interlaced), and the three-dimensional body display packing for example is coboundary or lower boundary with minimum Moving Unit displacing 3-dimensional objects, and the width of each first viewing area and each second viewing area for example is the width of a pixel.
Wherein, aforesaid first viewing area and second viewing area can be row to be staggered (column-interlaced), and the three-dimensional body display packing for example is left margin or right margin with minimum Moving Unit moving three dimension form, and the length of each first viewing area and each second viewing area for example is the length of a pixel.
For reaching above-mentioned or other purpose, the present invention proposes a kind of electronic installation in addition, comprise a three dimensional display, a processing unit (processing unit) and an inputting interface (input interface), wherein processing unit is to be electrically connected to three dimensional display and inputting interface respectively.Three dimensional display has staggered a plurality of first viewing area and a plurality of second viewing area, and these first viewing areas are a corresponding user's respectively one first visual experience district and one second visual experience district with second viewing area.Inputting interface is imported a three-dimensional body to processing unit, and three-dimensional viewfinder is made of one first show image and one second show image, and processing unit shows three-dimensional body on three dimensional display, to allow first show image and second show image be to be shown in these first viewing areas and second viewing area respectively.When inputting interface transmits signal to processing unit during with the position of adjusting three-dimensional body or area size, processing unit can be a minimum Moving Unit with single first viewing area and adjacent single second viewing area, adjusts the position or the area size of this three-dimensional body.
Wherein, aforesaid processing unit can be a CPU or a miniature processing unit.
In sum, in electronic installation of the present invention and three-dimensional viewfinder display packing thereof, when user's desire three-dimensional body is pulled and to move or amplify when dwindling, processing unit can force the border of three-dimensional body to move with the integral multiple of minimum mobile unit, can allow three dimensional display show that correctly towing moves or amplify three-dimensional body after dwindling by this, and unlikely generation first show image and second show image are the error situations that is shown in these second viewing areas and first viewing area respectively.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Figure 1A is the schematic diagram of known a kind of 3-dimensional image.
Figure 1B and Fig. 1 C are the schematic diagrames of two two-dimentional show images being disassembled out by the 3-dimensional image of Figure 1A.
Fig. 1 D and Fig. 1 E are the actual striographs that is respectively Figure 1B and Fig. 1 C.
Fig. 2 is the front view of known a kind of three dimensional display.
Fig. 3 is the block schematic diagram according to the electronic installation of one embodiment of the invention.
Fig. 4 A is the front elevational schematic of three dimensional display of the electronic installation of Fig. 3.
Fig. 4 B is the schematic diagram according to the three-dimensional body of one embodiment of the invention.
Fig. 4 C is the schematic diagram of first show image of the three-dimensional body of Fig. 4 B.
Fig. 4 D is the schematic diagram of second show image of the three-dimensional body of Fig. 4 B.
Fig. 4 E is the front elevational schematic of three dimensional display when the towing three-dimensional body of Fig. 4 A.
Fig. 4 F is the front elevational schematic of three dimensional display when the convergent-divergent three-dimensional body of Fig. 4 A.
Fig. 5 A is the front elevational schematic according to the three dimensional display of one embodiment of the invention.
Fig. 5 B is the schematic diagram according to the three-dimensional body of one embodiment of the invention.
Fig. 5 C is the schematic diagram of first show image of the three-dimensional body of Fig. 5 B.
Fig. 5 D is the schematic diagram of second show image of the three-dimensional body of Fig. 5 B.
Fig. 5 E is the front elevational schematic of three dimensional display when towing three-dimensional body window of Fig. 5 A.
Fig. 5 F is the front elevational schematic of three dimensional display when the convergent-divergent three-dimensional body of Fig. 5 A.
Fig. 6 is the schematic flow sheet according to the three-dimensional body display packing of one embodiment of the invention.
Reference numeral:
210: three dimensional display; 300: electronic installation; 310a, 510a: three dimensional display; 320: processing unit; 330: inputting interface; S61～S63: step; MU: minimum Moving Unit; FA: first viewing area; SA: second viewing area; FI: first vision imaging; SI: second vision imaging; LI: left seeing image picture; RI: right seeing image picture; LA: the viewing area is looked on a left side; RA: the viewing area is looked on the right side.
Embodiment
Fig. 3 is the block schematic diagram according to the electronic installation of one embodiment of the invention, and Fig. 4 A is the front elevational schematic of three dimensional display of the electronic installation of Fig. 3.Please refer to Fig. 3 and Fig. 4 A, electronic installation 300 of the present invention comprises a three dimensional display 310a, a processing unit 320 and an inputting interface 330, and wherein processing unit 320 is to be electrically connected to three dimensional display 310 and inputting interface 330 respectively.
Accept above-mentioned, three dimensional display 310a has staggered a plurality of first viewing area FA and a plurality of second viewing area SA, and these first viewing areas FA is corresponding user's the first visual experience district, and these second viewing areas SA is corresponding user's the second visual experience district.
In the present embodiment, user's the first visual experience district and the second visual experience district are left eye and the right eye that is respectively the user, allowing the shown content of the first viewing area FA be the left eye that is sent to the user, and allow the shown content of the second viewing area SA be the right eye that is sent to the user.But those who are familiar with this art are when the order that can change the corresponding viewing area of right and left eyes arbitrarily, and end is seen the convenience in the design and decided.
In addition, understand for asking clear, these first viewing area FA and these second viewing areas SA for example be be listed as to mode be staggered, but the present invention does not limit the staggered pattern of these first viewing area FA and these second viewing areas SA.
Refer again to Fig. 3, inputting interface 330 can input one three-dimensional body to processing unit 320, wherein the schematic diagram of three-dimensional body can be shown in Fig. 4 B, and the display size of this three-dimensional body can be inequality in the full screen display size of three dimensional display 310a.In the present embodiment, this three-dimensional body can be three-dimensional operating system (3D OS), tri-dimensional application program (3D Application Program, 3D AP), 3-D graphic user interface (3D Graphicaluser interface, 3D GUI), three-dimensional icon or three-dimensional slide-mouse vernier or the like, but the present invention does not limit the kind of three-dimensional body.
Three-dimensional body can by first show image (shown in Fig. 4 C) and second show image (shown in Fig. 4 D) formation, wherein first show image is the corresponding first visual experience district of difference and the second visual experience district with second show image, to allow the user produce the illusion effect of three-dimensional space.
For the row of corresponding three-dimensional display 310a viewing area to arrangement, first show image may be partitioned into the first vision imaging FI of a plurality of horizontal stripe shapes, and second show image may be partitioned into the second vision imaging SI of a plurality of horizontal stripe shapes, and these first vision imaging FI and the second vision imaging SI be staggered in regular turn form the three-dimensional body of Fig. 4 B.
Thus, processing unit 320 just can be shown in three-dimensional body on the three dimensional display 310a, to allow the first vision imaging FI of first show image be shown among the FA of these first viewing areas, and allow the second vision imaging SI of second show image be shown among the SA of these second viewing areas (shown in Fig. 4 A), to allow user's left eye and the right eye be to receive first show image and second show image respectively, reach the effect of three-dimensional display by this.
When user's desire towing is moved or amplified when dwindling three-dimensional viewfinder, inputting interface 330 just can transmit the position of adjusting three-dimensional body or the signal of area size is given processing unit 320, to allow processing unit 320 adjust the border of three-dimensional bodies.Particularly, adjacent single first viewing area FA and the single second viewing area SA constitute a minimum Moving Unit MU, and the border that processing unit 320 is understood with the multiple displacing 3-dimensional objects of this minimum Moving Unit MU, so nature can allow the first viewing area FA and the second viewing area SA show first show image and second show image respectively.
Towing displacing 3-dimensional objects with Fig. 4 E is an example, the width of minimum Moving Unit MU be the single first viewing area FA and the single second viewing area SA width and, so processing unit 320 can limit the coboundary of three-dimensional bodies or the integral multiple that lower boundary can only move minimum Moving Unit MU.In other words, behind the moving three dimension form, first show image still can be shown in the first viewing area FA, and second show image still can be shown in the second viewing area SA.
Convergent-divergent three-dimensional body with Fig. 4 E is an example, when the user desires the direction amplification three-dimensional body in the past lower right corner, the lower boundary of processing unit 320 meeting restriction three-dimensional bodies can only move the integral multiple of minimum Moving Unit MU, and calculate simultaneously after the amplification of first show image and second show image the pixel value of corresponding demonstration, so still can make the show image of winning be shown in the first viewing area FA, and make second show image be shown in the second viewing area SA.
Subsidiary one carry be, with row in the three dimensional display 310a of the be staggered first viewing area FA and the second viewing area SA, the present invention only in the location of the up-and-down boundary that limits three-dimensional viewfinder, then can move arbitrarily as for the border, the left and right sides of three-dimensional viewfinder.
In addition, the width of each first viewing area FA and each second viewing area SA can be the width of single pixel (Pixel), and wherein single pixel for example is made of three pixels of red, green, blue, or is made of red, green, blue, white four pixels.That is the up-and-down boundary of three-dimensional viewfinder must be adjusted with the pixel wide of even-multiple, uses and guarantees that three dimensional display 310a shows correct content, to avoid ghost image.
Although aforementioned is to be that example illustrates notion of the present invention with row to staggered three dimensional display 310a, for asking clear, below will hold in addition to staggered embodiment again, and the graphic explanation of arranging in pairs or groups.
Fig. 5 A is the front elevational schematic according to the three dimensional display of another embodiment of the present invention.Please refer to Fig. 5 A, similar aforementioned, three dimensional display 510a has row to staggered a plurality of first viewing area FA and a plurality of second viewing area SA, with the corresponding user's of difference the first visual experience district and the second visual experience district.In addition, please also refer to Fig. 3, the three dimensional display 510a of present embodiment can be used for substituting the three dimensional display 310a of previous embodiment.
Similar aforementioned, the schematic diagram that inputs to the three-dimensional body of processing unit 320 can be shown in Fig. 5 B, and three-dimensional body can by first show image (shown in Fig. 5 C) and second show image (shown in Fig. 5 D) formation, wherein first show image is the corresponding first visual experience district of difference and the second visual experience district with second show image, to allow the user produce the illusion effect of three-dimensional space.
For the row of corresponding three-dimensional display 510a viewing area to arrangement, first show image may be partitioned into the first vision imaging FI of a plurality of vertical bar shapes, and second show image may be partitioned into the second vision imaging SI of a plurality of vertical bar shapes, and these first vision imaging FI and the second vision imaging SI be staggered in regular turn form the three-dimensional body of Fig. 5 B.
Thus, processing unit 320 just can be shown in three-dimensional body on the three dimensional display 510a, to allow the first vision imaging FI of first show image be shown among the FA of these first viewing areas, and allow the second vision imaging SI of second show image be shown among the SA of these second viewing areas (shown in Fig. 4 A), to allow user's left eye and the right eye be to receive first show image and second show image respectively, reach the effect of three-dimensional display by this.
When user's desire towing is moved or amplified when dwindling three-dimensional body, inputting interface 330 just can transmit the position of adjusting three-dimensional body or the signal of area size is given processing unit 320, to allow processing unit 320 adjust the border of three-dimensional bodies.Particularly, adjacent single first viewing area FA and the single second viewing area SA constitute a minimum Moving Unit MU, and the border that processing unit 320 is understood with the multiple displacing 3-dimensional objects of this minimum Moving Unit MU, so nature can allow the first viewing area FA and the second viewing area SA show first show image and second show image respectively.
Towing displacing 3-dimensional objects with Fig. 5 E is an example, the length of minimum Moving Unit MU be the single first viewing area FA and the single second viewing area SA length and, so processing unit 320 can limit the left margin of three-dimensional bodies or the integral multiple that right margin can only move minimum Moving Unit MU.In other words, behind displacing 3-dimensional objects, first show image still can be shown in the first viewing area FA, and second show image still can be shown in the second viewing area SA.
Convergent-divergent three-dimensional body with Fig. 5 E is an example, when the user desires direction toward the upper left corner and dwindles three-dimensional body, the right margin of processing unit 320 meeting restriction three-dimensional bodies can only move the integral multiple of minimum Moving Unit MU, and calculate simultaneously first show image and second show image dwindle the back the pixel value of corresponding demonstration, so still can make the show image of winning be shown in the first viewing area FA, and make second show image be shown in the second viewing area SA.
Subsidiary one carry be, with row in the three dimensional display 310a of the be staggered first viewing area FA and the second viewing area SA, the present invention is only in the location on the border, the left and right sides of limiting three-dimensional body, then can move arbitrarily as for the up-and-down boundary of three-dimensional body.
In addition, the length of each first viewing area FA and each second viewing area SA can be the length of single pixel, that is the border, the left and right sides of three-dimensional body must be adjusted with the length in pixels of even-multiple, use and guarantee that three dimensional display 510a shows correct content, to avoid producing wrong display effect.
In the foregoing embodiments, three dimensional display 310a allows the first viewing area FA and the second viewing area SA produce mutually orthogonal polarised light with the micro-bit phase difference membrane technology, and when the user put on corresponding polarising glass, right and left eyes just can only be seen the image that the first viewing area FA and the second viewing area SA produce respectively.
In addition, three dimensional display 510a adopts parallax barrier or lens pillar technology, just can produce three-dimensional effect and allow the user need not to wear special spectacles.But, the present invention does not limit the kind and the display mode of three dimensional display, and for example, first viewing area of three dimensional display and second viewing area also can be 45 ° of oblique being staggered, and end is seen that design is upward convenient and decided.In addition, aforesaid processing unit 320 can be CPU (CPU) or miniature processing unit (MPU), and the present invention does not also limit processing unit 320.
Though it should be noted that aforementioned is that example illustrates notion of the present invention with the single 3 D object all, those who are familiar with this art are when understanding and may extend to a plurality of three-dimensional bodies easily, and the multiplex (MUX) handles a plurality of three-dimensional bodies to allow the user be able to simultaneously.In addition, background window can be three-dimensional or two dimension, that is aforesaid three-dimensional body can be in three-dimensional background or two-dimentional background, and end is seen user's setting.
Although aforementioned in the process of explanation electronic installation of the present invention, the notion of three-dimensional body display packing of the present invention also is described simultaneously, for ask clear for the purpose of, below still illustrate the flow chart detailed description in addition.
Fig. 6 is the schematic flow sheet according to the three-dimensional viewfinder display packing of one embodiment of the invention.Please refer to Fig. 6, at first shown in step S61, one three dimensional display is provided, and three dimensional display has staggered a plurality of first viewing area and a plurality of second viewing area, and these first viewing areas and second viewing area a corresponding user's one first visual experience district and one second visual experience district respectively.Certainly, this three dimensional display can be aforesaid three dimensional display 310a, 510a or other any three dimensional display that meets notion of the present invention.
Then shown in step S62, show that a three-dimensional body is on three dimensional display, and this three-dimensional body is made of one first show image and one second show image, and first show image and second show image are to be shown in these first viewing areas and second viewing area respectively.
At last shown in step S63, be a minimum Moving Unit with single first viewing area and adjacent single second viewing area, adjust the position or the area size of this three-dimensional body.
In sum, electronic installation of the present invention and three-dimensional viewfinder display packing thereof have following advantage at least:
One, overcoming Prior Art can only show 3-dimensional image with full-screen mode, shows and develop the three-dimensional body that non-ins in full screen size.
Two, move or amplify when dwindling in that three-dimensional body is pulled, can force the border of three-dimensional body to move with the integral multiple of minimum mobile unit, can show correctly that by this towing moves or amplify three-dimensional body after dwindling, and unlikely generation ghost image or other error situations.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (12)
1. three-dimensional body display packing, be applicable to a three dimensional display, and this three dimensional display has staggered a plurality of first viewing area and a plurality of second viewing area, and those first viewing areas and those second viewing areas are a corresponding users' one first visual experience district and one second visual experience district respectively, and this three-dimensional viewfinder display packing comprises:
Show that a three-dimensional body is on this three dimensional display, and this three-dimensional body is made of one first show image and one second show image, and this first show image and this second show image are to be shown in those first viewing areas and those second viewing areas respectively; And
With single first viewing area and adjacent single second viewing area is a minimum Moving Unit, adjusts the position or the area size of this three-dimensional body.
2. three-dimensional body display packing as claimed in claim 1, wherein those first viewing areas and those second viewing areas are for being listed as to being staggered.
3. three-dimensional body display packing as claimed in claim 2, wherein the width of each first viewing area and each second viewing area is the width of a pixel.
4. three-dimensional body display packing as claimed in claim 1, wherein those first viewing areas and those second viewing areas are for going to being staggered.
5. three-dimensional body display packing as claimed in claim 4, wherein the length of each first viewing area and each second viewing area is the length of a pixel.
6. three-dimensional body display packing as claimed in claim 1, in single first viewing area and adjacent single second viewing area is a minimum Moving Unit, adjust in the step of the position of this three-dimensional body or area size, this first show image and this second show image are still and are shown in those first viewing areas and those second viewing areas respectively.
7. electronic installation comprises:
One three dimensional display has staggered a plurality of first viewing area and a plurality of second viewing area, and those first viewing areas and those second viewing areas a corresponding users' one first visual experience district and one second visual experience district respectively;
One processing unit electrically connects this three dimensional display; And
One inputting interface, electrically connect this processing unit to import a three-dimensional body to this processing unit, and this three-dimensional body is made of one first show image and one second show image, and this processing unit shows this three-dimensional body on this three dimensional display, to allow this first show image and this second show image be to be shown in those first viewing areas and those second viewing areas respectively;
Wherein transmit signal to this processing unit during when inputting interface with the position of adjusting this three-dimensional body or area size, this processing unit can be a minimum Moving Unit with single first viewing area and adjacent single second viewing area, adjusts the position or the area size of this three-dimensional body.
8. electronic installation as claimed in claim 7, wherein those first viewing areas and those second viewing areas are for being listed as to being staggered.
9. electronic installation as claimed in claim 8, wherein this processing unit is with this minimum Moving Unit, moves the coboundary or the lower boundary of this three-dimensional body.
10. electronic installation as claimed in claim 7, wherein those first viewing areas and those second viewing areas are for going to being staggered.
11. electronic installation as claimed in claim 10, wherein this processing unit is with this minimum Moving Unit, moves the left margin or the right margin of this three-dimensional body.
12. electronic installation as claimed in claim 7, position or pairing this first show image of area size and this second show image of this three-dimensional body after wherein adjusting are still and are shown in those first viewing areas and those second viewing areas respectively.
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| CN2010100022017A CN102118626A (en) | 2010-01-06 | 2010-01-06 | Electronic device and method for displaying three-dimensional object thereby |
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| CN2010100022017A CN102118626A (en) | 2010-01-06 | 2010-01-06 | Electronic device and method for displaying three-dimensional object thereby |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469338A (en) * | 2013-09-25 | 2015-03-25 | 联想(北京)有限公司 | Control method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469338A (en) * | 2013-09-25 | 2015-03-25 | 联想(北京)有限公司 | Control method and device |
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Application publication date: 20110706 |