CN201060318Y - Video amplification composite shot - Google Patents
Video amplification composite shot Download PDFInfo
- Publication number
- CN201060318Y CN201060318Y CNU2007200311468U CN200720031146U CN201060318Y CN 201060318 Y CN201060318 Y CN 201060318Y CN U2007200311468 U CNU2007200311468 U CN U2007200311468U CN 200720031146 U CN200720031146 U CN 200720031146U CN 201060318 Y CN201060318 Y CN 201060318Y
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- lens
- catoptron
- concave mirror
- projection
- real image
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Abstract
The utility model relates to a video amplifier composite lens, in particular to a video amplifier composite lens which provides a near to eye large viewing angle to view video images and see through outside, and the video amplifier composite lens comprises at least a speculum consisting of a display, a projector lens, a reflector and an amplifier eyepiece. The utility model is characterized in that: the amplifier eyepiece in the speculum uses a concave mirror (7) as a second amplifier of the eyepiece so that a twice amplified image is more clear and stable. With the characteristics of glasses, the utility model has the advantages of high brightness of image, light weight, wide material selection range, high producing efficiency and low cost.
Description
Technical field
The utility model relates to a kind of video and amplifies compound lens, and particularly a kind of video that provides nearly eye to watch video image also can have an X-rayed the external world with great visual angle amplifies compound lens.
Background technology
The existing nearly eye visual angle imaging apparatus that can provide secondary to amplify is seen disclosed " secondary enlarging close eye big visual angle imaging apparatus ", and the patent No. is: ZL200520128438.4.Though this technology can provide secondary to amplify imaging with great visual angle, but exit pupil diameter and magnification are inversely proportional to, big image is difficult to solve with the contradiction of little emergent pupil, and as the convex lens of magnification eyepiece not only weight big but also hindered sight line non-when watching video image through lens observation to external world.Convex lens eyepiece system materials are more, and material is had relatively high expectations, and cost is more expensive.Inferior transmission of video light factor by convex lens and field lens time the and refraction have also caused the greater loss of light intensity, have influenced the readability of image.
Summary of the invention
The purpose of this utility model provides a kind of video and amplifies compound lens, replace the convex lens eyepiece system with the concave mirror eyepiece system, make the secondary enlarged image more clear, more stable, and possess the characteristics of glasses, its image display brightness is big, in light weight, selection range is wide, make efficiency is high, cost is low.
The technical solution of the utility model is: design a kind of video and amplify compound lens, which comprises at least the sight glass body that display, projection lens, catoptron, magnification eyepiece constitute, it is characterized in that: magnification eyepiece is as eyepiece enlarger for the second time with concave mirror 7 in the sight glass body.
Described display is a video display 9, its front is over against the folded rectangle plane in prismatic catoptron 1 right angle and oblique angle, another rectangle plane is that projecting lens A2, projecting lens B3, projecting lens C4, projecting lens D5 are parallel with the projection lens group, projection ray's catoptron 6 becomes 35～miter angle to place in a side of projecting lens D5 main axis and with this axis, the xsect of concave mirror 7 becomes 45～65 degree angles to place below projection ray's catoptron 6 and with it, and links to each other by main axis.
Described concave mirror 7 is above real image light reflecting mirror 15, and the xsect of concave mirror 7 becomes 35～miter angle to place with the plane of real image light reflecting mirror 15, and real image light reflecting mirror 15 is parallel placement below projection ray's catoptron 6; Projection ray's catoptron 6, real image light reflecting mirror 15, concave mirror 7 threes link to each other by main axis.
Described projection lens is one group of optical lens.
Described catoptron is level crossing and the prism that is coated with reflectance coating.
Described concave mirror 7 is coated with reflectance coating.
Concave mirror combination that characteristics of the present utility model are: the convex lens that will have the secondary amplification system now---convex lens combination becoming convex lens---, replace the convex lens eyepiece system with the concave mirror eyepiece system, make secondary enlarged image more clear (reflection of concave mirror is less than the refract light energy loss of convex lens), more stable (exit pupil diameter be easy to regulate), can make sight see through concave mirror again and see the external world, the characteristics that possess glasses, and increase the brightness that image shows, weight reduction, enlarge selection range, improve make efficiency and reduce cost.
Compared with the prior art the utility model has following advantage:
1, the utility model is owing to adopted concave mirror as the eyepiece amplification system second time, and its exit pupil diameter is more prone to adjust than the convex lens eyepiece system.
2, the utility model is owing to adopted concave mirror as the eyepiece amplification system second time, the loss of the light intensity that several transmission and the refraction when having avoided eyepiece system that video light forms by convex lens and field lens caused, the light ray energy loss that the reflection of concave mirror is amplified is less, and image effect is more limpid in sight.
3, the utility model has been owing to adopted concave mirror as eyepiece amplification system for the second time, and is lower with the material requirement than convex lens eyepiece system technical parameter, increased selection range, lowered the work difficulty, improved efficient, saved expense.
4, the utility model is owing to adopted concave mirror as eyepiece amplification system for the second time, and than 2-3 camera lens of convex lens eyepiece system, the concave mirror eyepiece system is only used 1-2 optical element, and any the approaching that can do of the latter, greatly reduces weight and expense.
5, the utility model is owing to adopted concave mirror as the eyepiece amplification system second time, what the camera lens that makes script convex lens eyepiece system not have an X-rayed became can see through extraneous clear light, be convenient to rating and see dual-purposely outward, increased function, be fit to the application of video eyeglasses more.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Fig. 1 is embodiment 1 a light path synoptic diagram;
Fig. 2 is embodiment 2 light path synoptic diagram.
Among the figure: 1, prismatic catoptron; 2, projecting lens A; 3, projecting lens B; 4, projecting lens C; 5, projecting lens D; 6, projection ray's catoptron; 7, concave mirror; 8, real image projecting light path for the first time; 9, video display; 10, show light; 11, eyes; 12, real image is amplified in projection; 13, the virtual image is amplified in reflection; 14, real image light path of light; 15, real image light reflecting mirror.
Embodiment
Embodiment 1 as shown in Figure 1, Fig. 1 is that a kind of video amplifies camera lens combination and the light path synoptic diagram that the projection real image that once amplifies in the compound lens is directly amplified by the concave mirror secondary again;
As shown in Figure 1: it is projecting lens A2, projecting lens B3, projecting lens C4, projecting lens D5 by prismatic catoptron 1, projection lens group that a kind of video amplifies compound lens mechanism, projection ray's catoptron 6, concave mirror 7, for the first time real image projecting light path 8, video display 9, show that light 10, eyes 11, projection amplify real image 12, reflection and amplify the virtual image 13, real image light path of light 14, real image light reflecting mirror 15 and form.
During enforcement, a kind of video amplifies compound lens mechanism and becomes " (" or " " " type setting; video display 9 fronts are over against the folded rectangle plane in prismatic catoptron right angle and oblique angle; another rectangle plane and projection lens group are projecting lens A2; projecting lens B3; projecting lens C4; projecting lens D5 is parallel, projection lens is one group of optical lens, projection ray's catoptron 6 becomes 35～miter angle to place in a side of projecting lens D5 main axis and with this axis, projection ray's catoptron 6 becomes 35～miter angle to place in a side of projecting lens D5 main axis and with this axis, the xsect of concave mirror 7 becomes 45～65 degree angles to place below projection ray's catoptron 6 and with it, and links to each other by main axis.Said mechanism has constituted the real image amplification system first time that a kind of video amplifies compound lens.Promptly according to the projection optics principle: when f＜u＜2f, v＞2f is arranged, and form the real image of the amplification of standing upside down.Here, video display 9 is projecting lens A2 with the projection lens group, projecting lens B3, projecting lens C4, projecting lens D5 is (because of finishing projection in the minimum distance of need about 40mm, the former alternative a slice convex lens of a set of shots that need) the object distance u between is projecting lens A2 in the projection lens group, projecting lens B3, projecting lens C4, between the f and 2f of projecting lens D5, so be projecting lens A2 in the projection lens group, projecting lens B3, projecting lens C4, outside the 2f of projecting lens D5 the below of projection ray's catoptron 6 form the handstand that video display 9 sends amplification image projection amplify real image 12 (ABC).
The amplification that forms by projection optical system for the first time the handstand projection to amplify real image 12 be identical in two kinds of amplification forms of Fig. 1 and Fig. 2: promptly the demonstration light 10 that sends of video display 9 converges at projection lens group 2,3,4,5 and forms projection ray 8 after 1 reflection of reflection water chestnut mirror, and then through the ABC of projection ray's catoptron 6 projections formation image projection amplification real image 12.
The basic upper recess surface mirror 7 that amplifies real image 12 in the projection first time carries out the amplification second time to projection amplification real image 12 again.According to the concave mirror amplification principle, when u＜f, object is the virtual image that amplifies.Among Fig. 1, projection is amplified real image 12 and is fallen within the f of concave mirror 7, forms the reflection amplification virtual image 13 (A ' B ') that has amplified the second time through concave mirror 7 reflection backs so real image light path of light 14 that the ABC (establishing the AB segment of getting among the ABC) of real image 12 sends is amplified in projection in eyes 11.If make projection ray's catoptron 6 and concave mirror 7 adopt the half coating technologies or with the background deepening, then eyes 11 can see that not only the reflection that concave mirror 7 forms amplifies virtual image 13, can also see through them and see extraneous scenery.
Above-mentioned catoptron can be level crossing and the prism that is coated with reflectance coating, can also be prism or the level crossing that is not coated with reflectance coating.
Above-mentioned concave mirror 7 can be coated with reflectance coating, can also not be coated with reflectance coating.
Claims (6)
1. a video amplifies compound lens, which comprises at least the sight glass body that display, projection lens, catoptron, magnification eyepiece constitute, and it is characterized in that: magnification eyepiece is as eyepiece enlarger for the second time with concave mirror (7) in the sight glass body.
2. a kind of video according to claim 1 amplifies compound lens, it is characterized in that: described display is video display (9), its front is over against the folded rectangle plane in prismatic catoptron (1) right angle and oblique angle, another rectangle plane and projection lens group are projecting lens A (2), projecting lens B (3), projecting lens C (4), projecting lens D (5) is parallel, projection ray's catoptron (6) becomes 35～miter angle to place in a side of projecting lens D (5) main axis and with this axis, the xsect of concave mirror (7) becomes 45～65 degree angles to place below projection ray's catoptron (6) and with it, and links to each other by main axis.
3. a kind of video according to claim 2 amplifies compound lens, it is characterized in that: described concave mirror (7) is in the top of real image light reflecting mirror (15), the xsect of concave mirror (7) becomes 35～miter angle to place real image light reflecting mirror (15) parallel placement below projection ray's catoptron (6) with the plane of real image light reflecting mirror (15); Projection ray's catoptron (6), real image light reflecting mirror (15), concave mirror (7) three link to each other by main axis.
4. a kind of video according to claim 1 amplifies compound lens, and it is characterized in that: described projection lens is one group of optical lens.
5. a kind of video according to claim 1 amplifies compound lens, and it is characterized in that: described catoptron is level crossing and the prism that reflectance coating is arranged.
6. a kind of video according to claim 1 amplifies compound lens, and it is characterized in that: described concave mirror (7) has reflectance coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200311468U CN201060318Y (en) | 2007-01-29 | 2007-01-29 | Video amplification composite shot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200311468U CN201060318Y (en) | 2007-01-29 | 2007-01-29 | Video amplification composite shot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060318Y true CN201060318Y (en) | 2008-05-14 |
Family
ID=39408800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200311468U Expired - Fee Related CN201060318Y (en) | 2007-01-29 | 2007-01-29 | Video amplification composite shot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060318Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253989A (en) * | 2014-06-09 | 2014-12-31 | 黄石 | All-sight image display device |
| CN105629476A (en) * | 2016-03-24 | 2016-06-01 | 成都理想境界科技有限公司 | Near-to-eye display optical system |
| WO2017181358A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| WO2017181361A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| WO2017181359A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| DE202018103176U1 (en) | 2018-06-06 | 2018-07-04 | E-Lead Electronic Co., Ltd. | Display device for an enlarged display |
| DE202021105816U1 (en) | 2021-09-08 | 2021-11-10 | E-LEAD ELECTRONIC CO., LTD. (a Taiwan Corporation) | Head fixation |
-
2007
- 2007-01-29 CN CNU2007200311468U patent/CN201060318Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253989A (en) * | 2014-06-09 | 2014-12-31 | 黄石 | All-sight image display device |
| CN104253989B (en) * | 2014-06-09 | 2018-05-18 | 黄石 | Full multi-view image display device |
| CN105629476A (en) * | 2016-03-24 | 2016-06-01 | 成都理想境界科技有限公司 | Near-to-eye display optical system |
| WO2017181358A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| WO2017181361A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| WO2017181359A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳纳德光学有限公司 | Eyepiece optical system for near-eye display, and head-mounted display device |
| CN108463761A (en) * | 2016-04-20 | 2018-08-28 | 深圳纳德光学有限公司 | The eyepiece optical system and head-wearing display device shown for nearly eye |
| CN108463761B (en) * | 2016-04-20 | 2020-11-13 | 深圳纳德光学有限公司 | Eyepiece optical system for near-to-eye display and head-mounted display device |
| DE202018103176U1 (en) | 2018-06-06 | 2018-07-04 | E-Lead Electronic Co., Ltd. | Display device for an enlarged display |
| DE202021105816U1 (en) | 2021-09-08 | 2021-11-10 | E-LEAD ELECTRONIC CO., LTD. (a Taiwan Corporation) | Head fixation |
| US20230071032A1 (en) | 2021-09-08 | 2023-03-09 | E-Lead Electronic Co., Ltd. | Head-Mounted Fixing Device |
| US11747631B2 (en) | 2021-09-08 | 2023-09-05 | E-Lead Electronic Co., Ltd. | Head-mounted fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20120129 |