CN100498423C - Secondary enlarging close eye big visual angle imaging apparatus - Google Patents
Secondary enlarging close eye big visual angle imaging apparatus Download PDFInfo
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- CN100498423C CN100498423C CNB2005101130164A CN200510113016A CN100498423C CN 100498423 C CN100498423 C CN 100498423C CN B2005101130164 A CNB2005101130164 A CN B2005101130164A CN 200510113016 A CN200510113016 A CN 200510113016A CN 100498423 C CN100498423 C CN 100498423C
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- display
- visual angle
- imaging apparatus
- big visual
- lens
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Abstract
The invention relates to a design method for big visual angle imaging device of close observing video influence. The feature is that the lens observing body has display, projection lens, reflector, projection screen, and amplifying eyepiece. The display is video display, and lens cover and condensing lens of reflecting back light source are contained at the back of display liquid circuit. The invention makes the display have big visual angle displaying effect, and it is low cost, light, etc.
Description
Technical field
The present invention relates to a kind of method for designing that the method for designing, particularly a kind of secondary enlarging close eye big visual angle imaging apparatus of closely observing the visual angle imaging apparatus of seeing the video influence are provided.
Background technology
Existing sight glass formula watching device or its image-forming principle of glasses type displayer are the optics virtual image forming of once amplifying, be and reach the distance of distinct vision that human eye can normally be watched, what device in the past all adopted is to generate the optical lens that amplifies the virtual image, no matter these camera lenses belong to coaxial-type eyepiece formula is amplified light path system still from shaft type free form surface internal reflection light path system, or from shaft type shunt magnifying optics, no matter also how many assemblies of these optical lens has.The Polaroid weak point of the virtual image is that the enlargement factor of video image is restricted, if increasing enlargement factor, desire just must increase number of shots or display sizes, so just increased cost, weight greatly, and made that the pixel elements of the display that resolution is not high is more serious to the interference of vision.And to increase resolution, cost just improves greatly.
Summary of the invention
The method for designing that the purpose of this invention is to provide a kind of secondary enlarging close eye big visual angle imaging apparatus, the large-size screen monitors that feasible existing display obtains to have only large scale under small size, little resolution condition, big display just can obtain even the display effect of panorama, and cost is lower, it is lighter to be used on the glasses type displayer weight, draw materials also more convenient (small-size display especially small-size liquid crystal displays is easier bought).
Technical scheme of the present invention is: design a kind of method for designing of secondary enlarging close eye big visual angle imaging apparatus, it is characterized in that: at sight glass body internal fixation display, projection lens, catoptron, projection screen, magnification eyepiece are arranged.
Described display is a video display; Mirror cover and condenser that the reflection backlight is arranged behind the display liquid crystal circuit.
Described display 9 back sides are over against the folded rectangle plane in rhombus catoptron 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, plane mirror 6 becomes 35～miter angle to place in a side of projecting lens 5 main axiss and with this axis, in the bottom of plane mirror 6, two planes also become 35～miter angle to place to projection screen 7 again.The back side of projection screen 7 is parallel with magnification eyepiece A13, magnification eyepiece B14 to be placed before the eyes 21.
Described catoptron is level crossing or the prism that is coated with reflectance coating.
Described catoptron is a curved mirror.
Described projection lens is one group of optical lens; Projection screen be can transmission imaging field lens.
Described sight glass is the camera bellows of spying on that is connected with spectacle frame.
Described magnification eyepiece is the convex lens groups.
Described projection screen is plane or curved surface.
Compared with the prior art the present invention has following advantage:
1, the present invention (is that the secondary relay is amplified owing to having adopted projection optics camera lens and magnification eyepiece, earlier video image is zoomed into real image, the real image that this has been amplified further zooms into the bigger virtual image again), so the video image magnification greatly improves than a magnification.
2, the present invention just can reach the demonstration of super large screen so solved to have only with large-sized monitor, and the large-sized monitor of the condition of being fit to lacks the contradiction of the source of goods owing to adopted the microsize display can reach the display effect of large-size display.
3, the present invention is owing to having adopted the curved surface projection screen, so can improve or eliminate the aberration that convex lens cause.
4, the present invention is owing to adopted projection optics camera lens (real image shadow casting technique), so can improve or eliminate the vision interference that the LCD pixel elements causes, picture is clear more soft.
5, the present invention has been owing to adopted the microsize display, so resolution improves easily, and price is than the large-size display considerably cheaper of equal resolution.
6, the present invention is used on the glasses type displayer owing to adopted the microsize display, and weight greatly alleviates.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is that the light path synoptic diagram is amplified in the projection first time in the method for designing of secondary enlarging close eye big visual angle imaging apparatus.
Fig. 2 is that the secondary in the method for designing of secondary enlarging close eye big visual angle imaging apparatus amplifies the light path synoptic diagram.
Fig. 3 is the light path synoptic diagram that is equipped with condenser in the method for designing of secondary enlarging close eye big visual angle imaging apparatus between display and backlight.
Fig. 4 is that the method for designing of secondary enlarging close eye big visual angle imaging apparatus is built-in and be fixed in structure cut-open view in the sight glass body.
Fig. 5 is that the sight glass body that is equipped with the method for designing of secondary enlarging close eye big visual angle imaging apparatus is connected the structural representation on the spectacle frame.
Fig. 6 is that the light path synoptic diagram is amplified in the method for designing relay of rectilinear secondary enlarging close eye big visual angle imaging apparatus.
Fig. 7 is that side-looking light path synoptic diagram is amplified in the method for designing relay of rectilinear secondary enlarging close eye big visual angle imaging apparatus.
Fig. 8 is that the method for designing of rectilinear secondary enlarging close eye big visual angle imaging apparatus is built in the structure skeleton view in the sight glass body.
Fig. 9 is the parallel method for designing relay amplification light path synoptic diagram that places the secondary enlarging close eye big visual angle imaging apparatus in the place ahead between two of dual screen.
Figure 10 is the dual screen method for designing relay amplification light path synoptic diagram of (back-to-back) secondary enlarging close eye big visual angle imaging apparatus between two side by side.
Figure 11 is that the light path synoptic diagram is amplified in the method for designing relay of the dual screen secondary enlarging close eye big visual angle imaging apparatus that lays respectively at the eyes both sides.
Among the figure: 1, rhombus catoptron; 2, projecting lens A; 3, projecting lens B; 4, projecting lens C; 5, projecting lens D; 6, plane mirror; 7, projection screen; 8, projecting light path's convergent point; 9, display; 10, show light; 11, video image; 12, projection screen real image; 13, magnification eyepiece A; 14, magnification eyepiece B; 15, amplify light path for the second time; 16, condenser A; 17, condenser B; 18, backlight light; 19, backlight; 20, backlight cover; 21, eyes; 22, sight glass frame; 23, spectacle frame; 24, magnification eyepiece C; 25, projection lens; 26, the amplification virtual image of real image.
Embodiment
Principle of the present invention such as Fig. 1, Fig. 2, shown in Figure 3: the secondary enlarging close eye big visual angle imaging system is by backlight 19, backlight cover 20, condenser A16, condenser B17, display 9, rhombus catoptron 1, projecting lens A2, projecting lens B3, projecting lens C4, projecting lens D5, plane mirror 6, projection screen 7, magnification eyepiece A13, magnification eyepiece B14 form.
During enforcement, monocular secondary enlarging close eye big visual angle imaging display system is by backlight 19, backlight cover 20, condenser A16, condenser B17, display 9 connects and composes, it with place eyes 21 before the amplification system second time that constitutes by projection screen 7, magnification eyepiece A13, magnification eyepiece B14 parallel.Display 9 back sides are over against the folded rectangle plane in rhombus catoptron 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, plane mirror 6 becomes 35～miter angle to place in a side of projecting lens 5 main axiss and with this axis, in the bottom of plane mirror 6, two planes also become 35～miter angle to place to projection screen 7 again.The back side of projection screen 7 is parallel with magnification eyepiece A13, magnification eyepiece B14 to be placed before the eyes 21.
If demonstration source 9 video image displayed 11 " A " (see figure 1) for standing upside down, the demonstration light 10 that it sends converges, diffuses to plane mirror 6 by projection lens group 2,3,4,5 after 1 reflection of rhombus catoptron, again through plane mirror 6 reflection and be projected to projection screen 7, pool projecting light path's convergent point 8, forming projection screen real image 12 is upright " A ".This real image for for the first time having amplified.According to optical principle: when f＜u＜2f, v is arranged〉2f, and form the real image of the amplification of standing upside down.Here, display 9 and projecting lens A2, projecting lens B3, projecting lens C4, the projection lens group that projecting lens D5 constitutes is (because of finishing projection in the minimum distance of need about 40mm, the former alternative a slice convex lens of one group of atomic tiny lens that need) u between is at projecting lens A2, projecting lens B3, projecting lens C4, between the f and 2f of the projection lens group that projecting lens D5 constitutes, projection screen 7 and projecting lens A2, projecting lens B3, projecting lens C4, the v of the projection lens group that projecting lens D5 constitutes is outside 2f, so " A " that the video image 11 of display 9 stands upside down forms " A " that attention of projection screen real image 12 through the projection lens projection on projection screen 7.
Amplify for the 2nd time and see Fig. 2, according to optical principle: when u＜f, can form the virtual image of amplification.Here, u between projection screen 7 and magnification eyepiece A13, the magnification eyepiece B14 is less than the f of magnification eyepiece A13, magnification eyepiece B14, amplify for the second time light path 15 so throw and converge to projecting light path's convergent point 8 formation after magnification eyepiece A13, magnification eyepiece B14 refraction of projection screen 7, enter eyes 21, projection screen real image 12 " A " promptly is enlarged into for the second time the amplification virtual image 26 " A " of real image again.This " A " will cover the field range of eyes 21.
The backlight light 18 that backlight cover 20 reflection backlights 19 among Fig. 3 send illuminates display 9 consumingly through condenser A16, condenser B17 optically focused, and the demonstration light 10 that makes display 9 send is more concentrated brighter, and drop shadow effect is also better.
Embodiment such as Fig. 4, shown in Figure 5: the method for designing of two secondary secondary enlarging close eye big visual angle imaging apparatus is placed and be fixed in the sight glass frame 22, form binocular imaging Design of device method, again sight glass frame 22 is connected on the eyes frame 23 to wear and watches video image for people.
The principle of the method for designing of another kind of vertical projection formula secondary enlarging close eye big visual angle imaging apparatus is as shown in Figure 6: this device is made up of display 9, projection lens 25, plane mirror 6, projection screen 7, magnification eyepiece C24.During enforcement, display 9 is positioned at the top, one side of video image 11 (being the side that display has image) faces down horizontal positioned, under be projection lens 25 and parallel with display 9, projection lens 25 belows are the metallic-membrane plating reflectors 6 that become 45～80 degree angles to place with it, the reflecting surface of plane mirror 6 again with 7 one-tenth 10～miter angles of projection screen, projection screen 7 is vertical with display 9 and projection lens 25. magnification eyepiece 24, projection screen 7 lay respectively at the both sides of plane mirror 6 and are parallel to each other.
The plane of setting video image 11 is abcd, and to make ab be last, cd for down, ac for a left side, bd for right, then when eyes 21 were watched by enlarging lens 24, its sight line overlapped with the main shaft of magnification eyepiece 24, and is vertical with the plane of projection screen 7.At this moment, on its opposite, ac limit (left side) at this moment on the right of eyes 21, bd limit (the right) is on the left side of eyes 21 near eyes 21 and ab limit (top) on the cd limit (bottom) of ventricumbent video image 11.According to optical principle, when the distance between display 9 and the projection lens 25 is between 2 times of focal lengths of projection lens 25 and 1 times of focal length, refraction will take place and pass through focus in the light that the abcd each point on the video image 11 sends by projection lens 25 time, advance along the point that stands upside down separately then, after running into plated film plane mirror 6, reflect, final projection has formed the real image that amplifies in a ' of projection screen 7 b ' c ' d '.This real image stands upside down originally, but because the cause of plane mirror 6 reflections then is a upright picture at eyes 21.Because projection screen 7 is apart from the distance of enlarging lens 24 focal length less than enlarging lens 24, after historical facts or anecdotes is passed through magnification eyepiece 24 as a ' b ' c ' d ', eyes 21 are seen is virtual image a through the real image a ' b ' c ' d ' that amplifies the first time that magnification eyepiece 24 amplifies once more " b " c " d ", promptly realized the secondary amplification.Particularly the real image a ' b ' c ' visual angle that d ' opens of amplifying for the first time is if surpassed the angular field of view of eyes 21, then eyes 21 will be by magnification eyepiece 24, sees the virtual image a of the almost panorama that a width of cloth has amplified again by plane mirror 6 (during half coating) " b " c " d " (see figure 7).
Embodiment is as shown in Figure 8: display 9 is positioned at the top, one side of video image 11 is horizontal positioned down, under be projection element 25 (camera lens) and parallel with display 9, projection lens 25 belows then are the plane mirrors 6 that becomes 45～80 degree angles to place with it.The reflecting surface of plane mirror 6 again with 7 one-tenth 10～miter angles of projection screen, the latter is vertical with display 9 and projection lens 25 again.Magnifier order 24 lays respectively at the both sides of plane mirror 6 with projection screen 7 and is parallel to each other.
They interconnect fixing and are installed in the sight glass frame 22, and sight glass frame 22 can be equipped with spectacle frame 23, so that people wear.Magnification eyepiece 24 places are peephole.
The enforcement principle of the method for designing of the secondary enlarging close eye big visual angle imaging apparatus of other 3 kinds of various combinations (seeing Fig. 9, Figure 10, Figure 11) also with last shown in principle basic identical, all being earlier the display image projecting to be become real image, serves as to amplify picture is zoomed into the virtual image once more with this real image again.Difference is structure, light path difference.
Claims (7)
1, secondary enlarging close eye big visual angle imaging apparatus, it comprises sight glass body, display (9), projection lens group, catoptron, projection screen (7) and magnification eyepiece, wherein display (9), projection lens group, catoptron, projection screen (7) and magnification eyepiece are sequentially arranged on the optical axis of sight glass body inside, it is characterized in that: described display (9) is a video display; Display (9) is over against rhombus catoptron (1) right angle one rectangle plane, another rectangle plane of catoptron (1) is that projecting lens A (2), projecting lens B (3), projecting lens C (4), projecting lens D (5) are parallel with the projection lens group, plane mirror (6) is on projecting lens D (5) main axis and become 35～miter angle to place, the plane of projection screen (7) becomes 35～miter angle to place with the plane of plane mirror (6), projection screen (7) places eyes (21) before with magnification eyepiece A (13), magnification eyepiece B (14) are parallel.
2, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: described catoptron is level crossing or the prism that is coated with reflectance coating.
3, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: described catoptron is a curved mirror.
4, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: projection screen (7) be can transmission imaging field lens.
5, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: described sight glass body is the camera bellows of spying on that is connected with spectacle frame.
6, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: described magnification eyepiece is the convex lens groups.
7, secondary enlarging close eye big visual angle imaging apparatus according to claim 1 is characterized in that: described projection screen is plane or curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101130164A CN100498423C (en) | 2005-02-25 | 2005-10-10 | Secondary enlarging close eye big visual angle imaging apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510041743 | 2005-02-25 | ||
| CN200510041743.4 | 2005-02-25 | ||
| CNB2005101130164A CN100498423C (en) | 2005-02-25 | 2005-10-10 | Secondary enlarging close eye big visual angle imaging apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN1825165A CN1825165A (en) | 2006-08-30 |
| CN100498423C true CN100498423C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101130164A Expired - Fee Related CN100498423C (en) | 2005-02-25 | 2005-10-10 | Secondary enlarging close eye big visual angle imaging apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010250275A (en) * | 2009-03-23 | 2010-11-04 | Olympus Corp | Visual display device |
| CN102789053B (en) * | 2012-09-04 | 2015-04-22 | 王凯 | Remote reading device for alleviating visual fatigue |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022693A1 (en) * | 1996-08-23 | 2001-09-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Pattern reading apparatus |
| CN1343319A (en) * | 2000-01-06 | 2002-04-03 | 奥林巴斯光学工业株式会社 | Image display |
| CN1432841A (en) * | 2002-01-16 | 2003-07-30 | 深圳市东方景电子有限公司 | Optical system with high image quality for head display |
-
2005
- 2005-10-10 CN CNB2005101130164A patent/CN100498423C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022693A1 (en) * | 1996-08-23 | 2001-09-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Pattern reading apparatus |
| CN1343319A (en) * | 2000-01-06 | 2002-04-03 | 奥林巴斯光学工业株式会社 | Image display |
| CN1432841A (en) * | 2002-01-16 | 2003-07-30 | 深圳市东方景电子有限公司 | Optical system with high image quality for head display |
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| CN1825165A (en) | 2006-08-30 |
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Address after: No. 99, South labour Road, Xi'an, 701, splendid vista, Shaanxi Patentee after: Wang Xiaoguang Address before: No. 99 South labour Road, Shaanxi, Xi'an Patentee before: Wang Xiaoguang |
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Addressee: Wang Xiaoguang Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20121010 |