CN103235392A - High-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device - Google Patents
High-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device Download PDFInfo
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- CN103235392A CN103235392A CN2013101558576A CN201310155857A CN103235392A CN 103235392 A CN103235392 A CN 103235392A CN 2013101558576 A CN2013101558576 A CN 2013101558576A CN 201310155857 A CN201310155857 A CN 201310155857A CN 103235392 A CN103235392 A CN 103235392A
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- slide carriage
- guide rail
- frame
- driving mechanism
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Abstract
The invention provides a high-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device, which relates to a lens on-line focus controlling device and solves the problem that a special lens regulating mechanism for carrying out three-dimensional precise regulation is lacking. In the high-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device, a lens is arranged in a lens frame which is arranged in a lens frame runner, the lens frame runner is connected with a lifting frame, the lifting frame slides in a first guide rail and a second guide rail in the vertical direction, and a horizontal frame slides in a third guide rail and a fourth guide rail in the transverse direction. The high-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device disclosed by the invention is applied to lens on-line focus control.
Description
Technical field
The present invention relates to the online focus control of a kind of lens.
Background technology
In inertial confinement laser fusion device, the terminal optical module is positioned at the end of whole laser chain, has comprised multiple optical elements of large caliber and control thereof, kinematic train and complex mechanical construction, is an integrated light, mechanical, electrical complication system.Refreshing light-III prototype plant terminal optical module is the injected system of laser target shooting, comprises multiple functions such as laser shaping, laser freuqency doubling, laser beam focusing injection, parameter sampling, target debris shield.This assembly can be divided into two relatively independent modules, is respectively times frequency module and lens module.Wherein, the spatial position precision of the target practice lens in the lens module is had relatively high expectations, and needs a special lens adjusting mechanism carry out three-dimensional minute adjustment, satisfying specific accuracy requirement, thereby guarantees the correctness of laser focus position.
Summary of the invention
The technical problem to be solved in the present invention is: to lack the problem that special lens adjusting mechanism carries out three-dimensional minute adjustment in order solving, to provide a kind of high flux heavy caliber high-precision lenses four-dimensional online focus control.
The technical solution adopted for the present invention to solve the technical problems is: the four-dimensional online focus control of high flux heavy caliber high-precision lenses comprises lens frame, the pitching frame, horizontal pane, the lifting frame, support frame, lens, the lens frame slideway, lifting slider left side holder, the right holder of lifting slider, slide carriage, the first left lifting slider, the second left lifting slider, the first right lifting slider, the second right lifting slider, first guide rail, second guide rail, the 3rd guide rail, the 4th guide rail, the 3rd left cross sliding clock, the 4th left cross sliding clock, the 3rd right cross sliding clock, the 4th right cross sliding clock, first, second, slide carriage slide block left side holder, the right holder of slide carriage slide block, the first left slide carriage slide block, the second left slide carriage slide block, the first right slide carriage slide block, the second right slide carriage slide block, left side slide carriage guide rail, right slide carriage guide rail and upper cover plate, lens are housed in the lens frame, lens frame is located in the lens frame slideway, the lens frame slideway is connected with the lifting frame, one side of lifting frame is equipped with lifting slider left side holder, the opposite side of lifting frame is equipped with the right holder of lifting slider, in the holder of a lifting slider left side the first left lifting slider and the second left lifting slider are housed, in the right holder of lifting slider the first right lifting slider and the second right lifting slider are installed, the front side of horizontal pane is provided with first guide rail and second guide rail that be arranged in parallel, and the lifting frame is by the first left lifting slider, the second left lifting slider, the first right lifting slider and the second right lifting slider vertically slide in first guide rail and second guide rail; The rear side of horizontal pane is equipped with the 3rd guide rail and the 4th guide rail that be arranged in parallel, the front end face upside of pitching frame is separately installed with the three left cross sliding clock corresponding with the 3rd guide rail and the 3rd right cross sliding clock, pitching frame front end face downside is separately installed with the four left cross sliding clock corresponding with the 4th guide rail and the 4th right cross sliding clock, and horizontal pane is laterally slided in the 3rd guide rail and the 4th guide rail by the 3rd left cross sliding clock, the 4th left cross sliding clock, the 3rd right cross sliding clock and the 4th right cross sliding clock edge; One sidewall two ends of slide carriage respectively are provided with axis hole, first respectively is contained in the corresponding axis hole with second, the upper side wall of pitching frame is contained on first and second and the pitching frame can be around first and second rotation, every side of slide carriage upper surface is equipped with slide carriage slide block left side holder and the right holder of slide carriage slide block respectively, the installed inside of slide carriage slide block left side holder has the first left slide carriage slide block and the second left slide carriage slide block, the installed inside of the right holder of institute's slide carriage slide block has the first right slide carriage slide block and the second right slide carriage slide block, slide carriage is provided with upper cover plate, the bottom face of upper cover plate is provided with left slide carriage guide rail and the right slide carriage guide rail that be arranged in parallel, the first left slide carriage slide block and the second left slide carriage slide block slide in left slide carriage guide rail, slide in the first right slide carriage slide block and the second right slide carriage slide block and the right slide carriage guide rail, a side of upper cover plate is contained on the sidewall of support frame.
The invention has the beneficial effects as follows: the focusing that 1, can be applicable to high flux, Large Aperture Lenses; 2, adjust the precision height, can realize the accurate focusing of five dimensions; 3, rigidity height, smooth and easy, the guide rail of motion do not bear turning torque and are convenient to control; 4, compact conformation, the reliability height; 5, lens frame plug is convenient, can satisfy quick-replaceable demand, and 6, can realize that clean dashing sweep function.
Description of drawings
Fig. 1 is the stereographic map of the four-dimensional online focus control of high flux heavy caliber high-precision lenses of the present invention, and Fig. 2 is stereographic map of the present invention (removing upper cover plate), and Fig. 3 is the rotational symmetry stereographic map of Fig. 1, and Fig. 4 is the synoptic diagram of the first automatically controlled micro driving mechanism.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 4, the device of present embodiment comprises lens frame 1, pitching frame 2, horizontal pane 3, lifting frame 4, support frame 5, lens 7, lens frame slideway 8, lifting slider left side holder 91, the right holder 92 of lifting slider, slide carriage 10, the first left lifting slider 11, the second left lifting slider 12, the first right lifting slider 13, the second right lifting slider 14, first guide rail 15, second guide rail 16, the 3rd guide rail 17, the 4th guide rail 18, the 3rd left cross sliding clock 21, the 4th left cross sliding clock 22, the 3rd right cross sliding clock, the 4th right cross sliding clock, first 25, second 26, slide carriage slide block left side holder 27, the right holder 28 of slide carriage slide block, the first left slide carriage slide block 31, the second left slide carriage slide block 32, the first right slide carriage slide block 33, the second right slide carriage slide block 34, left side slide carriage guide rail 35, right slide carriage guide rail 36 and upper cover plate 37, lens 7 are housed in the lens frame 1, lens frame 1 is located in the lens frame slideway 8, lens frame slideway 8 is connected with lifting frame 4, one side of lifting frame 4 is equipped with lifting slider left side holder 91, the opposite side of lifting frame 4 is equipped with the right holder 92 of lifting slider, in the holder 91 of a lifting slider left side the first left lifting slider 11 and the second left lifting slider 12 are housed, in the right holder 92 of lifting slider the first right lifting slider 13 and the second right lifting slider 14 are installed, the front side of horizontal pane 3 is provided with first guide rail 15 and second guide rail 16 that be arranged in parallel, and lifting frame 4 is by the first left lifting slider 11, the second left lifting slider 12, the first right lifting slider 13 and the second right lifting slider 14 vertically slide in first guide rail 15 and second guide rail 16; The rear side of horizontal pane 3 is equipped with the 3rd guide rail 17 and the 4th guide rail 18 that be arranged in parallel, the front end face upside of pitching frame 2 is separately installed with three left cross sliding clock 21 and the three right cross sliding clock corresponding with the 3rd guide rail 17, pitching frame 2 front end face downsides are separately installed with four left cross sliding clock 22 and the four right cross sliding clock corresponding with the 4th guide rail 18, horizontal pane 3 by the 3rd left cross sliding clock 21, the 4th left cross sliding clock 22, the 3rd right cross sliding clock and the 4th right cross sliding clock along laterally slip the 3rd guide rail 17 and the 4th guide rail 18 in; One sidewall two ends of slide carriage respectively are provided with axis hole, respectively be contained in the corresponding axis hole with second 26 for first 25, the upper side wall of pitching frame 2 is contained on first 25 and second 26 and pitching frame 2 can be around first 25 and second 26 rotations, every side of slide carriage upper surface is equipped with slide carriage slide block left side holder 27 and the right holder 28 of slide carriage slide block respectively, the installed inside of slide carriage slide block left side holder 27 has the first left slide carriage slide block 31 and the second left slide carriage slide block 32, the installed inside of the right holder 28 of institute's slide carriage slide block has the first right slide carriage slide block 33 and the second right slide carriage slide block 34, slide carriage is provided with upper cover plate 37, the bottom face of upper cover plate 37 is provided with left slide carriage guide rail 35 and the right slide carriage guide rail 36 that be arranged in parallel, the first left slide carriage slide block 31 and the second left slide carriage slide block 32 slide in left slide carriage guide rail 35, slide in the first right slide carriage slide block 33 and the second right slide carriage slide block 34 and the right slide carriage guide rail 36, a side of upper cover plate 37 is contained on the sidewall of support frame 5.
Embodiment two: present embodiment is described in conjunction with Fig. 3, be equipped with below the slide carriage of present embodiment to dash and sweep plate 38, be provided with air-filled pore towards sweeping plate 38 upper surfaces, dash the lower surface of sweeping plate 38 and have the array venthole, can insert pure air towards sweeping plate 38, with the air ambient of decontamination support framework inside.Other structures are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, lens frame slideway 8 left sides of present embodiment are equipped with the first automatically controlled micro driving mechanism 61, the described first automatically controlled micro driving mechanism 61 links to each other with the left side of horizontal pane 3 by flexible connecting member 71, the first automatically controlled micro driving mechanism 61 can drive lens frame slideway 8 rectilinear motion vertically, drives lens frame 1 and lifting frame 4 then and realizes the vertical direction rectilinear motion with respect to horizontal pane 3.Other structures are identical with embodiment one.
Embodiment four: present embodiment is described in conjunction with Fig. 1, pitching frame 2 downsides of present embodiment are equipped with the second automatically controlled micro driving mechanism 62, the described second automatically controlled micro driving mechanism 62 links to each other with the downside of horizontal pane 3 by flexible connecting member 72, and the second automatically controlled micro driving mechanism 62 can drive lens frame slideway 8, lens frame 1, lifting frame 4 and horizontal pane 3 and realize the horizontal direction rectilinear motion with respect to pitching frame 2.Other structures are identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 1, Right Inboard below the support frame 5 of present embodiment is equipped with bent plate 75, the 3rd automatically controlled micro driving mechanism 63 is installed on the bent plate 75, the 3rd automatically controlled micro driving mechanism 63 is connected with the downside of pitching frame 2 by flexible connecting member 73, and the 3rd automatically controlled micro driving mechanism 63 can drive pitching frame 2, lens frame slideway 8, lens frame 1, lifting frame 4 and horizontal pane 3 around first 25 and second 26 rotations.Other structures are identical with embodiment one.
Embodiment six: present embodiment is described in conjunction with Fig. 3, upper cover plate 37 downsides of present embodiment are equipped with the 4th automatically controlled micro driving mechanism 64, the 4th automatically controlled micro driving mechanism 64 links to each other with the upper surface of slide carriage by the 4th flexible linking device 74, when the 3rd automatically controlled micro driving mechanism 63 and the 4th automatically controlled micro driving mechanism 64 synchronous workings, realize that slide carriage, pitching frame 2, lens frame slideway 8, lens frame 1, lifting frame 3 and horizontal pane 3 are along the thickness direction rectilinear motion.Other structures are identical with embodiment one.
Embodiment seven: present embodiment is described in conjunction with Fig. 1 and Fig. 2, installed inside has crossbeam 51 above the support frame 5 of present embodiment, one side of crossbeam 51 has and runs through first threaded hole 52 and second threaded hole 53, first bolt 54 is contained in first threaded hole 52, second bolt 55 is contained in second threaded hole 53, upper cover plate 37 is connected with second bolt 55 by first bolt 54 with crossbeam 51, first bolt 54 and second bolt 55 respectively are located at a side of crossbeam, and upper cover plate 37 rotates around the register pin of upper cover plate 37 right back last sides by the motion of adjusting first bolt 54 and second bolt 55.Other structures are identical with embodiment one.
Embodiment eight: present embodiment is described in conjunction with Fig. 4, the first automatically controlled micro driving mechanism 61 of present embodiment, the second automatically controlled micro driving mechanism 62, the 3rd automatically controlled micro driving mechanism 63 is identical with the structure of the 4th automatically controlled micro driving mechanism 64, the first automatically controlled micro driving mechanism 61 comprises stepper motor 81, planetary reduction gear 82, flexible clutch 83, bearing seat 84, drive nut web member 85, drive screw mandrel 86 and rolling guide 87, the output shaft of stepper motor 81 is in transmission connection by the end of planetary reduction gear 82 with flexible clutch 83, the other end of flexible clutch 83 is in transmission connection by bearing seat 84 and an end that drives screw mandrel 86, drives screw mandrel 86 and is connected with rolling guide 87 by driving drive nut web member 85.Other structures are identical with embodiment one.
Claims (8)
1. the four-dimensional online focus control of a high flux heavy caliber high-precision lenses, it is characterized in that described device comprises lens frame (1), pitching frame (2), horizontal pane (3), lifting frame (4), support frame (5), lens (7), lens frame slideway (8), lifting slider left side holder (91), the right holder (92) of lifting slider, slide carriage, the first left lifting slider (11), the second left lifting slider (12), the first right lifting slider (13), the second right lifting slider (14), first guide rail (15), second guide rail (16), the 3rd guide rail (17), the 4th guide rail (18), the 3rd left cross sliding clock (21), the 4th left cross sliding clock (22), the 3rd right cross sliding clock, the 4th right cross sliding clock, first (25), second (26), slide carriage slide block left side holder (27), the right holder (28) of slide carriage slide block, the first left slide carriage slide block (31), the second left slide carriage slide block (32), the first right slide carriage slide block (33), the second right slide carriage slide block (34), left side slide carriage guide rail (35), right slide carriage guide rail (36) and upper cover plate (37), lens (7) are housed in the lens frame (1), lens frame (1) is located in the lens frame slideway (8), lens frame slideway (8) is connected with lifting frame (4), one side of lifting frame (4) is equipped with lifting slider left side holder (91), the opposite side of lifting frame (4) is equipped with the right holder (92) of lifting slider, in the lifting slider left side holder (91) the first left lifting slider (11) and the second left lifting slider (12) are housed, in the right holder of lifting slider (92) the first right lifting slider (13) and the second right lifting slider (14) are installed, the front side of horizontal pane (3) is provided with first guide rail (15) and second guide rail (16) that be arranged in parallel, and lifting frame (4) is by the first left lifting slider (11), the second left lifting slider (12), the first right lifting slider (13) and the second right lifting slider (14) vertically slide in first guide rail (15) and second guide rail (16); The rear side of horizontal pane (3) is equipped with the 3rd guide rail (17) and the 4th guide rail (18) that be arranged in parallel, the front end face upside of pitching frame (2) is separately installed with three left cross sliding clock (21) and the three right cross sliding clock corresponding with the 3rd guide rail (17), pitching frame (2) front end face downside is separately installed with four left cross sliding clock (22) and the four right cross sliding clock corresponding with the 4th guide rail (18), and horizontal pane (3) is by the 3rd left cross sliding clock (21), the 4th left cross sliding clock (22), the 3rd right cross sliding clock and the 4th right cross sliding clock are along laterally sliding in the 3rd guide rail (17) and the 4th guide rail (18); One sidewall two ends of slide carriage respectively are provided with axis hole, first (25) respectively are contained in the corresponding axis hole with second (26), the upper side wall of pitching frame (2) is contained in first (25) and second (26) upward and pitching frame (2) can rotate around first (25) and second (26), every side of slide carriage upper surface is equipped with slide carriage slide block left side holder (27) and the right holder (28) of slide carriage slide block respectively, the installed inside of slide carriage slide block left side holder (27) has the first left slide carriage slide block (31) and the second left slide carriage slide block (32), the installed inside of the right holder of institute's slide carriage slide block (28) has the first right slide carriage slide block (33) and the second right slide carriage slide block (34), slide carriage is provided with upper cover plate (37), the bottom face of upper cover plate (37) is provided with left slide carriage guide rail (35) and the right slide carriage guide rail (36) that be arranged in parallel, the first left slide carriage slide block (31) and the second left slide carriage slide block (32) slide in left slide carriage guide rail (35), slide in the first right slide carriage slide block (33) and the second right slide carriage slide block (34) and the right slide carriage guide rail (36), a side of upper cover plate (37) is contained on the sidewall of support frame (5).
2. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that being equipped with towards sweeping plate (38) below the slide carriage, be provided with air-filled pore towards sweeping plate (38) upper surface, dash the lower surface of sweeping plate (38) and have the array venthole.
3. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that lens frame slideway (8) left side is equipped with the first automatically controlled micro driving mechanism (61), the described first automatically controlled micro driving mechanism (61) links to each other with the left side of horizontal pane (3) by flexible connecting member (71), the first automatically controlled micro driving mechanism (61) can drive lens frame slideway (8) rectilinear motion vertically, drives lens frame (1) and lifting frame (4) then and realizes the vertical direction rectilinear motion with respect to horizontal pane (3).
4. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that pitching frame (2) downside is equipped with the second automatically controlled micro driving mechanism (62), the described second automatically controlled micro driving mechanism (62) links to each other with the downside of horizontal pane (3) by flexible connecting member (72), and the second automatically controlled micro driving mechanism (62) can drive lens frame slideway (8), lens frame (1), lifting frame (4) and horizontal pane (3) and realize the horizontal direction rectilinear motion with respect to pitching frame (2).
5. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that the following Right Inboard of support frame (5) is equipped with bent plate (75), the 3rd automatically controlled micro driving mechanism (63) is installed on the bent plate (75), the 3rd automatically controlled micro driving mechanism (63) is connected with the downside of pitching frame (2) by flexible connecting member (73), and the 3rd automatically controlled micro driving mechanism (63) can drive pitching frame (2), lens frame slideway (8), lens frame (1), lifting frame (4) and horizontal pane (3) are rotated around first (25) and second (26).
6. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that upper cover plate (37) downside is equipped with the 4th automatically controlled micro driving mechanism (64), the 4th automatically controlled micro driving mechanism (64) links to each other with the upper surface of slide carriage by the 4th flexible linking device (74), when the 3rd automatically controlled micro driving mechanism (63) and the 4th automatically controlled micro driving mechanism (64) synchronous working, realize that slide carriage, pitching frame (2), lens frame slideway (8), lens frame (1), lifting frame (3) and horizontal pane (3) are along the thickness direction rectilinear motion.
7. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, installed inside has crossbeam (51) above it is characterized in that support frame (5), one side of crossbeam (51) has and runs through first threaded hole (52) and second threaded hole (53), first bolt (54) is contained in first threaded hole (52), second bolt (55) is contained in second threaded hole (53), and upper cover plate (37) is connected with second bolt (55) by first bolt (54) with crossbeam (51).
8. the four-dimensional online focus control of high flux heavy caliber high-precision lenses according to claim 1, it is characterized in that the first automatically controlled micro driving mechanism (61), the second automatically controlled micro driving mechanism (62), the 3rd automatically controlled micro driving mechanism (63) is identical with the structure of the 4th automatically controlled micro driving mechanism (64), the first automatically controlled micro driving mechanism (61) comprises stepper motor (81), planetary reduction gear (82), flexible clutch (83), bearing seat (84), drive nut web member (85), drive screw mandrel (86) and rolling guide (87), the output shaft of stepper motor (81) is in transmission connection by the end of planetary reduction gear (82) with flexible clutch (83), the other end of flexible clutch (83) is in transmission connection by bearing seat (84) and an end that drives screw mandrel (86), drives screw mandrel (86) and is connected with rolling guide (87) by driving drive nut web member (85).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155857.6A CN103235392B (en) | 2013-04-28 | 2013-04-28 | High-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155857.6A CN103235392B (en) | 2013-04-28 | 2013-04-28 | High-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device |
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| CN103235392A true CN103235392A (en) | 2013-08-07 |
| CN103235392B CN103235392B (en) | 2015-04-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503062A (en) * | 2015-01-21 | 2015-04-08 | 哈尔滨工业大学 | Three freedom degree precision adjustment device of compact type back pack type lens |
| CN105115602A (en) * | 2015-09-08 | 2015-12-02 | 四川双利合谱科技有限公司 | Focusing assembly of swing sweep type spectrograph |
| CN105842868A (en) * | 2016-06-22 | 2016-08-10 | 中国工程物理研究院应用电子学研究所 | Precise deflection lifting adjusting system |
| CN108873369A (en) * | 2018-08-01 | 2018-11-23 | 珠海市运泰利自动化设备有限公司 | A kind of multiaxis mechanism adjusting optical device |
| CN111765846A (en) * | 2020-06-10 | 2020-10-13 | 武汉光谷航天三江激光产业技术研究院有限公司 | Device and method for adjusting optical axis of optical instrument |
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| US6721111B2 (en) * | 2001-03-21 | 2004-04-13 | Pentax Corporation | Lens guide mechanism |
| CN103018879A (en) * | 2012-12-19 | 2013-04-03 | 哈尔滨工业大学 | High-precision large-caliber electric reflecting mirror frame based on orthogonal axis |
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| CN1180174A (en) * | 1996-10-14 | 1998-04-29 | 旭精密株式会社 | Mount shift apparatus of lens for CCTV camera |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503062A (en) * | 2015-01-21 | 2015-04-08 | 哈尔滨工业大学 | Three freedom degree precision adjustment device of compact type back pack type lens |
| CN105115602A (en) * | 2015-09-08 | 2015-12-02 | 四川双利合谱科技有限公司 | Focusing assembly of swing sweep type spectrograph |
| CN105115602B (en) * | 2015-09-08 | 2017-07-11 | 四川双利合谱科技有限公司 | A kind of focusing component of sweeping type spectrometer |
| CN105842868A (en) * | 2016-06-22 | 2016-08-10 | 中国工程物理研究院应用电子学研究所 | Precise deflection lifting adjusting system |
| CN105842868B (en) * | 2016-06-22 | 2018-04-24 | 中国工程物理研究院应用电子学研究所 | A kind of precision beat lift adjustment system |
| CN108873369A (en) * | 2018-08-01 | 2018-11-23 | 珠海市运泰利自动化设备有限公司 | A kind of multiaxis mechanism adjusting optical device |
| CN108873369B (en) * | 2018-08-01 | 2023-12-26 | 珠海市运泰利自动化设备有限公司 | Multi-axis mechanism for adjusting optical device |
| CN111765846A (en) * | 2020-06-10 | 2020-10-13 | 武汉光谷航天三江激光产业技术研究院有限公司 | Device and method for adjusting optical axis of optical instrument |
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Inventor after: Chen Jiaxuan Inventor after: Jie Wenkun Inventor after: Liu Haitao Inventor after: Yu Fuli Inventor after: Zhang Qingchun Inventor after: Liang Yingchun Inventor before: Liang Yingchun Inventor before: Chen Jiaxuan Inventor before: Xie Wenkun Inventor before: Liu Haitao Inventor before: Yu Fuli Inventor before: Zhang Qingchun |
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Free format text: CORRECT: INVENTOR; FROM: LIANG YINGCHUN CHEN JIAXUAN XIE WENKUN LIU HAITAO YU FULI ZHANG QINGCHUN TO: CHEN JIAXUAN JIE WENKUN LIU HAITAO YU FULI ZHANG QINGCHUN LIANG YINGCHUN |
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