CN105572875B - A kind of augmented reality glasses increasing the efficiency of light energy utilization - Google Patents

A kind of augmented reality glasses increasing the efficiency of light energy utilization Download PDF

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Publication number
CN105572875B
CN105572875B CN201510957856.2A CN201510957856A CN105572875B CN 105572875 B CN105572875 B CN 105572875B CN 201510957856 A CN201510957856 A CN 201510957856A CN 105572875 B CN105572875 B CN 105572875B
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Prior art keywords
light
wave guide
guide card
augmented reality
light wave
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CN105572875A (en
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杨军
张婧京
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Shanghai Li Xin Optics Science And Technology Ltd
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Shanghai Li Xin Optics Science And Technology Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B27/0172Head mounted characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0123Head-up displays characterised by optical features comprising devices increasing the field of view
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B2027/0178Eyeglass type

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

Present invention relates particularly to augmented reality glasses.A kind of augmented reality glasses increasing the efficiency of light energy utilization, including an augmented reality lens body, augmented reality lens body includes mirror holder, mirror holder includes at least one frame, and frame is equipped with eyeglass, and eyeglass includes a plate-like light wave guide card, light wave guide card includes an optical transport portion, light exit portion, the left end in optical transport portion is equipped with light exit portion, and light exit portion includes the prism group that the micro-lens of matrix arrangement are constituted, and prism group is bonded in light wave guide card front end by adhesive;The right part of light wave guide card is light incident side, and the right part of light wave guide card is equipped with a couple prism, and couple prism includes an incidence surface, a reflecting surface, and incidence surface is in a convex outward, and reflecting surface is in a convex outward, and reflecting surface is towards optical transport portion.Invention increases the efficiencies of light energy utilization, enhance comfort level, improve the experience effect of user, improve satisfaction of users.

Description

A kind of augmented reality glasses increasing the efficiency of light energy utilization
Technical field
The present invention relates to integrated optoelectronic devices, and in particular to augmented reality glasses.
Background technology
Augmented reality is a kind of new technology by real world information and virtual world information integration, in daily life In can offer convenience for people.The visual experience for surmounting electronic curtain may be implemented in it, in the information for showing real world Meanwhile showing virtual information simultaneously, the information of digital world and real world is complementary to one another and is superimposed, and the two is perfect Be combined together be presented on user eye in.
But existing augmented reality glasses imaging effect is bad, and the efficiency of light energy utilization is low.
Invention content
The object of the present invention is to provide a kind of augmented reality glasses increasing the efficiency of light energy utilization.
Following technical scheme may be used to realize in technical problem solved by the invention:
A kind of augmented reality glasses increasing the efficiency of light energy utilization, including an augmented reality lens body, the augmented reality Lens body includes mirror holder, which is characterized in that the mirror holder includes at least one frame, and the frame is equipped with eyeglass, the mirror Piece includes a plate-like light wave guide card, and the light wave guide card includes an optical transport portion, light exit portion, the left side in the optical transport portion End is equipped with the smooth exit portion, and the smooth exit portion includes the prism group that the micro-lens of matrix arrangement are constituted, the prism Group is bonded in light wave guide card front end by adhesive;
The right part of the light wave guide card is light incident side, and the right part of the light wave guide card is equipped with a couple prism, institute It includes an incidence surface, a reflecting surface to state couple prism, and the incidence surface is in a convex outward, and the reflecting surface is in an outer evagination Face, the reflecting surface is towards the optical transport portion.
The present invention is equipped with couple prism by the light incident side in light wave guide card, improve the incidence surface of couple prism with it is reflective The structure in face enhances comfort level to increase the efficiency of light energy utilization, improves the experience effect of user, improves user experience Satisfaction.It is in a convex outward by incidence surface, while fixing focal power, enlarged drawing.Light is reflected by reflecting surface To light wave guide card, advance in the light wave guide card inner total reflection, light is irradiated to prism group and reflects, finally reflects Light enters the pupil of observer through light wave guide card bottom.
The micro-lens are equipped with a reflective surface, and the lower surface of the reflective surface and the light wave guide card is in an acute angle.Just In by light reflecting light waveguide piece.
The reflecting surface is in the toroid or aspherical of a projected direction outwardly.
The curved surface of the reflecting surface meets one of following three equations:
(a) anamorphic aspherical surface, there are two the radius of curvature in direction for he, and can differ, which is that plane is symmetrical Curved surface, there are two the planes of symmetry for it, symmetrical respectively about yoz, xoz plane.
CXIt is the radius of curvature of X-direction in curved surface X-Z plane, CyIt is the radius of curvature of curved surface Y-direction in Y-Z plane, KX It is the whose conic coefficient of curved surface X-direction, KyIt is the whose conic coefficient of curved surface Y-direction, AiBeing 4,6,8 ..., 2n ranks are non-rotating right Claim coefficient.
(b) XY polynomial surfaces,
Wherein C is surface curvature, CjFor multinomial coefficient.
(c) toroid is the surface of revolution of a circle or plane curve of order n shape, by one circle or plane curve of order n around one with The coplanar axis revolution of the curve is generated.
Wherein c is radius of curvature, and k is quadratic surface coefficient, and A, B, C, D are respectively 4,6,8,10 rank asphericity coefficients.
The distance between the leftmost side of the prism group and the left side of the light wave guide card are 8mm~10mm, the rib The micro-lens size of microscope group longitudinal arrangement is identical, the transversely arranged micro-lens of the prism group it is of different sizes.
Convenient for ensureing imaging effect, comfort level is enhanced, the experience effect of user is improved, improves user experience satisfaction Degree.
The lateral length of the prism group is not more than 25mm, and the longitudinal length of the prism group is not more than 25mm.The present invention By controlling the size of prism group, to control the imaging surface of micro-lens, ensure imaging effect.The prism group is in optical waveguide The distribution of piece front end face is 400mm2.It is preferred that the prism is distributed in the range of 20*20mm.
The distance between the leftmost side of the prism group and the left side of the light wave guide card are 10mm.
The present invention passes through the distribution for limiting prism group and the position bonded so that the more existing augmented reality of field angle Glasses improve a lot, and field angle can reach 40 degree, and visual range is 18mm or so.
The light wave guide card thickness is 1.8mm~2.2mm, preferably 2mm.Light wave guide card thickness is reduced, and reduces the weight of glasses Amount, improves the comfort of user.
The mirror holder includes two temples, and respectively the first temple, the second temple, it is hollow that first temple is equipped with first Chamber, first hollow cavity are equipped with a light-transmitting opening, projection arrangement, the projection mouth of the projection arrangement are equipped at the light-transmitting opening Towards the incidence surface of the couple prism.LCOS modules are installed in the hollow cavity of temple can be with aesthetic appeal, while conveniently Fixed and installation.
The projection arrangement projects module using LCOS.LCOS projects module small volume, and module is projected using LCOS, can Effectively reduce the volume of glasses.
Second temple is equipped with the second hollow cavity, and second hollow cavity is equipped with an opening, described to be open towards eyeglass Front, second hollow cavity is interior to be equipped with a range unit, and the range unit is connected to a microprocessor system, described micro- Type processor system is also connected with the projection arrangement.
By measuring the size of the distance adjustment and the picture of object matches of object in real world, make the two that can wait rulers Very little combination, and then the combination of thought actual object and dummy object.
The range unit can be laser range finder, can also be range radar.
The projection arrangement connects a microprocessor system system, and the mirror holder is also equipped with an image acquisition device, The image acquisition device is equipped at least one camera, and the camera connects the microprocessor system, is additionally provided with one Touch-screen system, the touch-screen system are equipped with a touch sensible film for incuding touch action, the touch sensible film patch In front of the eyeglass, the touch-screen system connects the microprocessor system.Equipped with image collection function, touch sensible Function, the information that real world is obtained for microprocessor system provide the foundation, and the information exchange of user's combined type is improved and used Experience satisfaction in family.
The touch sensible film patch uses piezoelectric type touch technology, and the piezoelectric type touch technology is between resistance-type and capacitance Between formula touch technology.The Touch Screen of piezoelectric transducer equally supports multi-point touch with capacitance type touch control screen, and supports Any object touch-control, unlike capacitance plate only supports the material touch-control of class skin.In this way, piezoelectric type Touch Screen can have simultaneously The multi-point touch sense of touch of capacitive screens, but it is accurate with touch screens.
The touch sensible film patch is by pressing formula fixed form.The fixed form pastes periphery in the touch sensible film Circle can not only be accomplished effectively to prevent dirt waterproof, and also do not damage the touch sensible film body that loses money in a business along around a circle foam Wound.
The mirror holder is also equipped with a voice acquisition device, and the voice acquisition device is equipped at least one microphone, institute Microphone connection microprocessor system is stated, the microphone is fixed on the first temple or the second mirror midleg, the Mike Wind incudes direction vertically downward.Make that fixation is more compactly installed, as close to the oral area of user, reaches preferable acquisition ring On the other hand the effect of border sound while facilitating fixed, gives the stress of mirror holder equilibrium.The microprocessor system System connects the projection arrangement.
At least one eyeglass rear is equipped with a dismountable convex lens.To adapt to long sight crowd.The convex lens and institute It states and is equipped with air between eyeglass, form air blanketing.To avoid the total reflection destroyed in optical transport.An at least eyeglass rear is equipped with one Dismountable concavees lens.To adapt to myopia population.It is equipped with air between concavees lens and eyeglass, forms air blanketing.To avoid destruction Total reflection in optical transport.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of the present invention;
Fig. 2 is a kind of arrangement schematic diagram of micro-lens of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Conjunction is specifically illustrating that the present invention is further explained.
Referring to Fig.1, Fig. 2, a kind of augmented reality glasses increasing the efficiency of light energy utilization, including an augmented reality lens body, Augmented reality lens body includes mirror holder, and mirror holder includes at least one frame, and frame is equipped with eyeglass, and eyeglass includes one plate-like Light wave guide card 1, light wave guide card 1 include an optical transport portion, light exit portion, and the left end in optical transport portion is equipped with light exit portion, light outgoing Portion includes the prism group 2 that the micro-lens of matrix arrangement are constituted, and prism group 2 is bonded in light wave guide card front end by adhesive Portion;The right part of light wave guide card is light incident side, and the right part of light wave guide card is equipped with a couple prism 3, and couple prism 3 includes one Incidence surface 4, a reflecting surface 5, incidence surface 4 are in a convex outward, and reflecting surface 5 is in a convex outward, and reflecting surface is towards optical transport portion. The present invention is equipped with couple prism by the light incident side in light wave guide card, improves the incidence surface of couple prism and the knot of reflective surface Structure enhances comfort level to increase the efficiency of light energy utilization, improves the experience effect of user, improves satisfaction of users. It is in a convex outward by incidence surface, while fixing focal power, enlarged drawing.Light is reflexed into optical waveguide by reflecting surface Piece advances in light wave guide card inner total reflection, and light is irradiated to prism group and reflects, and the light finally reflected penetrates light wave Guide card bottom enters the pupil of observer.
Micro-lens are equipped with a reflective surface, and the lower surface of reflective surface and light wave guide card is in an acute angle.Convenient for light is reflected Go out optical waveguide piece.Reflecting surface is in the toroid or aspherical of a projected direction outwardly.
The curved surface of reflecting surface meets one of following three equations:
(a) anamorphic aspherical surface, there are two the radius of curvature in direction for he, and can differ, which is that plane is symmetrical Curved surface, there are two the planes of symmetry for it, symmetrical respectively about yoz, xoz plane.
CXIt is the radius of curvature of X-direction in curved surface X-Z plane, CyIt is the radius of curvature of curved surface Y-direction in Y-Z plane, KX It is the whose conic coefficient of curved surface X-direction, KyIt is the whose conic coefficient of curved surface Y-direction, AiBeing 4,6,8 ..., 2n ranks are non-rotating right Claim coefficient.
(b) XY polynomial surfaces,
Wherein C is surface curvature, CjFor multinomial coefficient.
(c) toroid is the surface of revolution of a circle or plane curve of order n shape, by one circle or plane curve of order n around one with The coplanar axis revolution of the curve is generated.
Wherein c is radius of curvature, and k is quadratic surface coefficient, and A, B, C, D are respectively 4,6,8,10 rank asphericity coefficients.
As a kind of scheme, c 0.2, k 0.8, A 0.01, B 0.08, C 0.09, D 3.1.
Incidence surface can also meet any one in above-mentioned three kinds of equations.
The distance between the leftmost side of prism group and the left side of light wave guide card are 8mm~10mm, prism group longitudinal arrangement Micro-lens size it is identical, the transversely arranged micro-lens of prism group it is of different sizes.Convenient for ensureing imaging effect, enhance Comfort level improves the experience effect of user, improves satisfaction of users.
The spacing of the micro-lens of prism group longitudinal arrangement is identical, the spacing difference of the transversely arranged micro-lens of prism group No more than 0.5mm.By the different size micro-lens of identical spacing, convenient for for passing through the picture between adjacent micro-lens spacing The combination of both pictures that face and prism group reflect improves visual experience.The lateral length of prism group is not more than 25mm, prism The longitudinal length of group is not more than 25mm.The present invention is protected by controlling the size of prism group to control the imaging surface of micro-lens Demonstrate,prove imaging effect.Prism group is 400mm in the distribution of light wave guide card front end face2.It is preferred that prism is in the range of 20*20mm Distribution.The distance between the leftmost side of prism group and the left side of light wave guide card are 10mm.The present invention is by limiting prism group Distribution and the position bonded so that the more existing augmented reality glasses of field angle improve a lot, and field angle can reach 40 degree, visual range is 18mm or so.
Light wave guide card thickness is 1.8mm~2.2mm, preferably 2mm.Light wave guide card thickness is reduced, and is reduced the weight of glasses, is carried The comfort of high user.
Mirror holder include two temples, respectively the first temple, the second temple, the first temple be equipped with the first hollow cavity, first Hollow cavity is equipped with a light-transmitting opening, and projection arrangement 6, projection mouth the entering towards couple prism 3 of projection arrangement 6 are equipped at light-transmitting opening Smooth surface.LCOS modules are installed in the hollow cavity of temple can be with aesthetic appeal, while facilitating fixed and installation.
Projection arrangement 6 projects module using LCOS.LCOS projects module small volume, projects module using LCOS, can have Effect reduces the volume of glasses.
Second temple is equipped with the second hollow cavity, and the second hollow cavity is equipped with an opening, and for opening towards eyeglass front, second is hollow Intracavitary is equipped with a range unit, and range unit is connected to a microprocessor system, and microprocessor system is also connected with projection dress It sets.By measuring the size of the distance adjustment and the picture of object matches of object in real world, make the two being capable of equidimension knot It closes, and then the combination of thought actual object and dummy object.Range unit can be laser range finder, can also be ranging thunder It reaches.
The distance that microprocessor system measures laser range finder shows the ginseng of picture size as control projection arrangement Number;The distance that laser range finder measures is remoter, and the object aspect ratio that projection device goes out is smaller;What laser range finder measured Distance is closer, and the object aspect ratio that projection device goes out is bigger.To realize that virtual image and actual object, equal proportion melt It closes.Therefore this patent not only realizes virtual three-dimensional image and is merged with the simple superposition of practical 3-dimensional image, and introduces into As ratio because the distance for the actual object that will be superimposed is different, and the technology of auto scaling, it realizes equal proportion and melts automatically It closes.Make the more close of virtual image and practical visual fusion.
The distance that microprocessor system measures laser range finder, as control display system by object picture include The parameter of two display screen upper angle differences;The distance that laser range finder measures is remoter, and object picture angle is poor on two display screens It is smaller;The distance that laser range finder measures is closer, and object picture angle difference is bigger on two display screens.Thus in terms of parallax, Improve the distance perspective of shown object.Therefore this patent not only realizes the equal proportion of virtual three-dimensional image and practical 3-dimensional image Additive fusion, and differential seat angle parameter is introduced, and then realize automatic distance perspective fusion.
Projection arrangement connects a microprocessor system system, and mirror holder is also equipped with an image acquisition device, image collection Device is equipped at least one camera, and camera connects microprocessor system, is additionally provided with a touch-screen system, touch-screen system Touch sensible film equipped with one for incuding touch action, touch sensible film are attached in front of eyeglass, and touch-screen system connection is miniature Processor system.Equipped with image collection function, touch sensing function, the information that real world is obtained for microprocessor system carries Basis, the information exchange of user's combined type has been supplied to improve satisfaction of users.
Touch sensible film patch uses piezoelectric type touch technology, and piezoelectric type touch technology is between resistance-type and capacitance touching control skill Between art.The Touch Screen of piezoelectric transducer equally supports multi-point touch with capacitance type touch control screen, and supports any object Touch-control, unlike capacitance plate only supports the material touch-control of class skin.In this way, piezoelectric type Touch Screen can have capacitive screens simultaneously Multi-point touch sense of touch, and it is accurate with touch screens.
Touch sensible film is pasted by pressing formula fixed form.Fixed form pastes all flanges along around a circle bubble in touch sensible film Cotton can not only accomplish effectively to prevent dirt waterproof, and also not damaged to the touch sensible film body that loses money in a business.
Mirror holder is also equipped with a voice acquisition device, and voice acquisition device is equipped at least one microphone, microphone connection Microprocessor system, microphone are fixed on the first temple or the second mirror midleg, and microphone incudes direction vertically downward.Make More compactly installation is fixed, and as close to the oral area of user, achievees the effect that preferably to acquire ambient sound, another party The stress of mirror holder equilibrium is given in face while facilitating fixed.
An at least eyeglass rear is equipped with a dismountable convex lens.To adapt to long sight crowd.It is equipped between convex lens and eyeglass Air forms air blanketing.To avoid the total reflection destroyed in optical transport.It is dismountable recessed that an at least eyeglass rear is equipped with one Mirror.To adapt to myopia population.It is equipped with air between concavees lens and eyeglass, forms air blanketing.It is complete in optical transport to avoid destroying Reflection.
The rear end face of light wave guide card is coated with an anti-blue light film, and the thickness of anti-blue light film is 0.05mm~0.1mm, anti-blue light Film is located at the imaging section of light wave guide card.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

1. a kind of augmented reality glasses increasing the efficiency of light energy utilization, including an augmented reality lens body, the augmented reality eye Mirror main body includes mirror holder, which is characterized in that the mirror holder includes at least one frame, and the frame is equipped with eyeglass, the eyeglass Including a plate-like light wave guide card, the light wave guide card includes an optical transport portion, light exit portion, the left end in the optical transport portion Equipped with the smooth exit portion, the smooth exit portion includes the prism group that the micro-lens of matrix arrangement are constituted, the prism group It is bonded in light wave guide card front end by adhesive;
The right part of the light wave guide card is light incident side, and the right part of the light wave guide card is equipped with a couple prism, the coupling It includes an incidence surface, a reflecting surface to close prism, and the incidence surface is in a convex outward, and the reflecting surface is in a convex outward, institute Reflecting surface is stated towards the optical transport portion;
The mirror holder includes two temples, respectively the first temple, the second temple, and first temple is equipped with the first hollow cavity, First hollow cavity is equipped with a light-transmitting opening, and projection arrangement, the projection mouth court of the projection arrangement are equipped at the light-transmitting opening To the incidence surface of the couple prism;
Prism group is 400mm in the distribution of light wave guide card front end face2, micro-lens are distributed in the range of 20*20mm;
The distance between the leftmost side of prism group and the left side of light wave guide card are 10mm;
The reflecting surface is in a projected direction outwardly aspherical;
The incidence surface meets following equations:
CX is the radius of curvature of X-direction in curved surface X-Z plane, and Cy is the radius of curvature of curved surface Y-direction in Y-Z plane, and KX is The whose conic coefficient of curved surface X-direction, Ky are the whose conic coefficients of curved surface Y-direction, Ai is 4,6,8 ... 2n rank non-rotational symmetries Coefficient;
The reflecting surface meets following equations:
Wherein c is radius of curvature, and k is quadratic surface coefficient, and A, B, C, D are respectively 4,6,8,10 rank asphericity coefficients.
2. a kind of augmented reality glasses increasing the efficiency of light energy utilization according to claim 1, which is characterized in that the prism Group longitudinal arrangement micro-lens size it is identical, the transversely arranged micro-lens of the prism group it is of different sizes.
3. a kind of augmented reality glasses increasing the efficiency of light energy utilization according to claim 1, which is characterized in that described second Temple is equipped with the second hollow cavity, and second hollow cavity is equipped with an opening, and for the opening towards eyeglass front, described second is hollow Intracavitary is equipped with a range unit, and the range unit is connected to a microprocessor system, and the microprocessor system also connects Connect the projection arrangement.
4. a kind of augmented reality glasses increasing the efficiency of light energy utilization according to claim 1, which is characterized in that the projection Device connects a microprocessor system, and the mirror holder is also equipped with an image acquisition device, and the image acquisition device is equipped with At least one camera, the camera connect the microprocessor system, are additionally provided with a touch-screen system, the touch screen System is equipped with a touch sensible film for incuding touch action, and the touch sensible film is attached in front of the eyeglass, described to touch It touches screen system and connects the microprocessor system.
5. a kind of augmented reality glasses increasing the efficiency of light energy utilization according to claim 1, which is characterized in that at least one institute It states eyeglass rear and is equipped with a dismountable convex lens.
CN201510957856.2A 2015-12-18 2015-12-18 A kind of augmented reality glasses increasing the efficiency of light energy utilization Active CN105572875B (en)

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JP5185776B2 (en) * 2008-10-30 2013-04-17 オリンパス株式会社 Head-mounted image display device
JP5884502B2 (en) * 2012-01-18 2016-03-15 ソニー株式会社 Head mounted display
US8848289B2 (en) * 2012-03-15 2014-09-30 Google Inc. Near-to-eye display with diffractive lens
JP6244888B2 (en) * 2013-09-03 2017-12-13 セイコーエプソン株式会社 Virtual image display device
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