CN203773214U - Double-optical-filter IR-CUT switching device - Google Patents
Double-optical-filter IR-CUT switching device Download PDFInfo
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- CN203773214U CN203773214U CN201420119952.0U CN201420119952U CN203773214U CN 203773214 U CN203773214 U CN 203773214U CN 201420119952 U CN201420119952 U CN 201420119952U CN 203773214 U CN203773214 U CN 203773214U
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- transfer strip
- optical filter
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- accommodating cavity
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- 230000003287 optical effect Effects 0.000 claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000003068 static effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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- Blocking Light For Cameras (AREA)
Abstract
The utility model discloses a double-optical-filter IR-CUT switching device which includes a fixing seat, a cover plate, a switching plate, an AR (anti-reflection) optical filter, an IR (infrared) optical filter, a reduction gear, a driving gear, a spring and a driving motor. The AR optical filter and the IR filter are installed at positions of corresponding second light penetrating holes of the switching plate respectively. A positioning hole at a fixed end part of the switching plate sleeves a fixing column at the bottom part of an accommodating cavity. The spring is installed on the fixing column in a sleeved manner and pressed between the switching plate and the cover plate. A circumferential face of a free end part of the switching plate is provided with gear teeth. During work, the driving motor drives the switching plate to rotate in a gear driving method so as to realize mutual switching of the two optical filters. When the switching plate rotates to a specific position, the elastic force of the spring causes a friction (as a static maintenance force) so that the switching plate is enabled to stay at a specific position. Therefore, the device has the advantages of being novel in structural design, high in uniformity, mutually independent in the driving force and the static maintenance force and stable and reliable.
Description
Technical field
The utility model relates to camcorder technology field, relates in particular to a kind of pair of optical filter IR-CUT switch.
Background technology
Video camera there will be different image effect with evening because light is different by day, has daylight in the time of by day, for image effect, only needs visible ray just can reflect the riotous with colour world; And another part light (for example infrared light), although naked eyes be cannot see, but the sensitive chip of video camera is appreciable and can reflects, if the sensitive chip of video camera perception visible ray and infrared light simultaneously, image effect just there will be the phenomenon of colour cast.
For addressing the above problem, prior art generally adopts optical filter that unwanted light is filtered out, and to evening need light as much as possible to enter in video camera to reflect that image, most video cameras can become black and white when light is bad, now there is no the problem of colour cast; Wherein, what use daytime is the infrared optical filter of filtering (being IR infrared fileter), and to evening just must be with responding to and the optical filter (AR anti-reflection filter sheet) that allows infrared light enter video camera as much as possible, therefore two optical filter IR-CUT switch arises at the historic moment.
Two optical filter IR-CUT switchs of existence form various kinds in prior art, yet, the fixedly hold mode that the existing pair of optical filter IR-CUT switch generally adopts magnetic absorption (using magnetic force as the static confining force of Holding force) is by corresponding IR infrared fileter or AR anti-reflection filter sheet is stable remains on ad-hoc location, and above-mentioned magnetic absorption fixedly hold mode there is the influence each other defect of restriction and very difficult realization on drag cup motor of driving force and static confining force.
Summary of the invention
The purpose of this utility model is to provide a kind of pair of optical filter IR-CUT switch for the deficiencies in the prior art, this pair of optical filter IR-CUT switch structural design is novel, consistance is high, driving force and static confining force independent and reliable and stable separately.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of pair of optical filter IR-CUT switch, include holder, the upper surface of holder offers the accommodating cavity towards upper shed, and holder offers the first light hole running through completely up and down in the bottom of accommodating cavity, and the upper end of holder is equiped with cover plate in the opening part of accommodating cavity;
In accommodating cavity, be embedded with relatively turnable transfer strip, transfer strip offers two to be run through and the second light hole that space is arranged up and down completely, transfer strip is equiped with AR anti-reflection filter sheet in one second light hole position wherein, transfer strip is equiped with IR infrared fileter in another the second light hole position, the anchor portion of transfer strip offers the pilot hole running through completely up and down, the center of two the second light holes to the centre distance of pilot hole equates, holder is provided with in the corresponding pilot hole in the bottom of accommodating cavity the fixed leg extending upward, fixed leg is intercalated in pilot hole and upper end extends to the top of transfer strip, the upper end of fixed leg is set with spring in the top of transfer strip, the upper end of spring and bottom respectively with cover plate and the transfer strip butt of corresponding side,
The free end of transfer strip is provided with the periphery coaxial with pilot hole, periphery is provided with the gear teeth of arranging successively along circumferencial direction, in accommodating cavity, the gear teeth of corresponding transfer strip are equiped with reduction gearing rotatably, the tooth mesh of reduction gearing and transfer strip, the corresponding reduction gearing of holder is fitted with CD-ROM drive motor, the power output shaft of CD-ROM drive motor is inserted in accommodating cavity and is equiped with driving gear, driving gear and reduction gearing engagement.
Wherein, the upper end of described holder has extended motor fixed pedestal, and the corresponding described CD-ROM drive motor of motor fixed pedestal offers motor inlay card groove, and CD-ROM drive motor is embedded in motor inlay card groove.
Wherein, described reduction gearing offers center pit, described holder offers the fixed shaft hole with center pit consistency from top to bottom in the bottom of accommodating cavity, be flush-mounted in stationary shaft in fixed shaft hole, and the upper end of stationary shaft extends to the top of fixed shaft hole and is intercalated in the center pit of reduction gearing.
Wherein, described reduction gearing includes gear wheel portion and pinion part, gear wheel portion and the engagement of described driving gear, the tooth mesh of pinion part and described transfer strip free end.
Wherein, the corresponding described spring of described cover plate offers the spacing hole of downwardly facing opening, the upper end of spring be embedded in spacing hole and with the bottom butt of spacing hole.
Wherein, the upper surface of described transfer strip offers optical filter draw-in groove, and described AR anti-reflection filter sheet and described IR infrared fileter are embedded in respectively in optical filter draw-in groove and respectively and align with corresponding described the second light hole.
The beneficial effects of the utility model are: a kind of pair of optical filter IR-CUT switch described in the utility model, it includes holder, cover plate, transfer strip, AR anti-reflection filter sheet, IR infrared fileter, reduction gearing, driving gear, spring, CD-ROM drive motor, holder is offered accommodating cavity and the first light hole, cover plate is installed in accommodating cavity opening part, AR anti-reflection filter sheet and IR infrared fileter are installed in respectively two corresponding the second light hole positions of transfer strip, the pilot hole of transfer strip anchor portion is inserted in the fixed leg of accommodating cavity bottom, spring housing is loaded on fixed leg and pressure holding between transfer strip and cover plate, the periphery of transfer strip free end arranges the gear teeth.During work, CD-ROM drive motor is passed through by driving gear, the gear set that reduction gearing forms drives transfer strip to rotate, and then realize AR anti-reflection filter sheet and IR infrared fileter switches mutually, spring is positioned between cover plate and transfer strip and by fixed leg by pressure holding, elastic force effect due to spring, when transfer strip turns to ad-hoc location, above-mentioned elastic force effect meeting makes to produce certain friction force between transfer strip and the bottom of accommodating cavity, this friction force can allow well transfer strip stably remain on ad-hoc location after CD-ROM drive motor power-off as static confining force.By said structure, design, the utility model makes transfer strip remain on ad-hoc location after CD-ROM drive motor power-off by pure mechanical system; So, the utlity model has that structural design novelty, consistance are high, driving force and static confining force independent and reliable and stable advantage separately.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Fig. 3 is diagrammatic cross-section of the present utility model.
In Fig. 1 to Fig. 3, include:
1---holder 11---accommodating cavity
12---first light hole 13---fixed leg
14---motor fixed pedestal 141---motor inlay card groove
15---fixed shaft hole 2---cover plate
21---spacing hole 3---transfer strip
31---second light hole 32---pilot hole
33---gear teeth 34---optical filter draw-in groove
40---AR anti-reflection filter sheet 41---IR infrared fileter
5---spring 6---reduction gearing
61---center pit 62---gear wheel portion
63---pinion part 7---CD-ROM drive motor
8---driving gear 9---stationary shaft.
Embodiment
Below in conjunction with concrete embodiment, the utility model is described.
As shown in Figure 1 to Figure 3, a kind of pair of optical filter IR-CUT switch, include holder 1, the upper surface of holder 1 offers the accommodating cavity 11 towards upper shed, holder 1 offers the first light hole 12 running through completely up and down in the bottom of accommodating cavity 11, the upper end of holder 1 is equiped with cover plate 2 in the opening part of accommodating cavity 11.
Wherein, in accommodating cavity 11, be embedded with relatively turnable transfer strip 3, transfer strip 3 offers two to be run through and the second light hole 31 that space is arranged up and down completely, transfer strip 3 is equiped with AR anti-reflection filter sheet 40 in one second light hole 31 positions wherein, transfer strip 3 is equiped with IR infrared fileter 41 in another the second light hole 31 positions, the anchor portion of transfer strip 3 offers the pilot hole 32 running through completely up and down, two the second light hole 31 centers are equal to the centre distance of pilot hole 32, holder 1 is provided with in the corresponding pilot hole 32 in the bottom of accommodating cavity 11 fixed leg 13 extending upward, fixed leg 13 is intercalated in pilot hole 32 and upper end extends to the top of transfer strip 3, the upper end of fixed leg 13 is set with spring 5 in the top of transfer strip 3, the upper end of spring 5 and bottom respectively with cover plate 2 and transfer strip 3 butts of corresponding side.
Further, the free end of transfer strip 3 is provided with the periphery coaxial with pilot hole 32, periphery is provided with the gear teeth 33 of arranging successively along circumferencial direction, the gear teeth 33 of the interior corresponding transfer strip 3 of accommodating cavity 11 are equiped with reduction gearing 6 rotatably, reduction gearing 6 meshes with the gear teeth 33 of transfer strip 3, the corresponding reduction gearing 6 of holder 1 is fitted with CD-ROM drive motor 7, the power output shaft of CD-ROM drive motor 7 is inserted in accommodating cavity 11 and is equiped with driving gear 8, driving gear 8 and reduction gearing 6 engagements.
Need further to explain, the mode that cover plate 2 of the present utility model can be screwed is fixedly assemblied in accommodating cavity 11 opening parts of holder 1, certainly, also can adopt other assembling mode to realize installation.
In the utility model course of work, CD-ROM drive motor 7 is passed through by driving gear 8, the gear set that reduction gearing 6 forms drives transfer strip 3 to rotate, and then realize AR anti-reflection filter sheet 40 and IR infrared fileter 41 switches mutually, concrete: CD-ROM drive motor 7 is switched on and is driven driving gear 8 to rotate, driving gear 8 drives reduction gearing 6 to rotate again, by the decelerating effect of reduction gearing 6, transfer strip 3 be take pilot hole 32 as the centre of gyration and around fixed leg 13 rotations, and then make AR anti-reflection filter sheet 40 and IR infrared fileter 41 positions rotate and realize switching mutually.
Need further to explain, spring 5 of the present utility model is by pressure holding between cover plate 2 and transfer strip 3, and fixed leg of the present utility model 13 is for retainer spring 5; Elastic force effect due to spring 5, when transfer strip 3 turns to ad-hoc location (AR anti-reflection filter sheet 40 aims at the first light hole 12 positions or IR infrared fileter 41 is aimed at the first light hole 12), above-mentioned elastic force effect meeting makes to produce certain friction force between transfer strip 3 and the bottom of accommodating cavity 11, and this friction force can allow well transfer strip 3 stably remain on ad-hoc location after CD-ROM drive motor 7 power-off as static confining force.
By said structure, design, the utility model makes transfer strip remain on ad-hoc location after CD-ROM drive motor power-off by pure mechanical system; So, the utlity model has that structural design novelty, consistance are high, driving force and static confining force independent and reliable and stable advantage separately.
As preferred embodiment, for ease of CD-ROM drive motor 7, install fixing, the utility model adopts following structural design, be specially: the upper end of holder 1 has extended motor fixed pedestal 14, the corresponding CD-ROM drive motor 7 of motor fixed pedestal 14 offers motor inlay card groove 141, and CD-ROM drive motor 7 is embedded in motor inlay card groove 141.Wherein, the power output shaft that the bottom of motor inlay card groove 141 offers for CD-ROM drive motor 7 stretches to the through-hole structure in accommodating cavity 11.
As preferred embodiment, reduction gearing 6 offers center pit 61, holder 1 offers the fixed shaft hole 15 with center pit 61 consistencies from top to bottom in the bottom of accommodating cavity 11, in fixed shaft hole 15, be flush-mounted in stationary shaft 9, the upper end of stationary shaft 9 extends to the top of fixed shaft hole 15 and is intercalated in the center pit 61 of reduction gearing 6, and stationary shaft 9 is for carrying out spacing to reduction gearing 6; Wherein, reduction gearing 6 of the present utility model includes gear wheel portion 62 and pinion part 63, gear wheel portion 62 and driving gear 8 engagements, and pinion part 63 meshes with the gear teeth 33 of transfer strip 3 free ends.
As preferred embodiment, the corresponding spring 5 of cover plate 2 offers the spacing hole 21 of downwardly facing opening, the upper end of spring 5 be embedded in spacing hole 21 and with the bottom butt of spacing hole 21.Wherein, spacing hole 21 is further spacing for spring 5 is carried out, and by spacing hole 21 structural designs, the utility model can avoid spring 5 in transfer strip 3 rotation processes, to occur displacement effectively, and then guarantees further reliability.
As preferred embodiment, for ease of AR anti-reflection filter sheet 40 and IR infrared fileter 41, install fixing, the utility model adopts following structural design, be specially: the upper surface of transfer strip 3 offers optical filter draw-in groove 34, AR anti-reflection filter sheet 40 and IR infrared fileter 41 are embedded in respectively in optical filter draw-in groove 34 and align with corresponding the second light hole 31 respectively.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (6)
1. a two optical filter IR-CUT switch, it is characterized in that: include holder (1), the upper surface of holder (1) offers the accommodating cavity (11) towards upper shed, holder (1) offers the first light hole (12) running through completely up and down in the bottom of accommodating cavity (11), the upper end of holder (1) is equiped with cover plate (2) in the opening part of accommodating cavity (11); in accommodating cavity (11), be embedded with relatively turnable transfer strip (3), transfer strip (3) offers two to be run through and the second light hole (31) that space is arranged up and down completely, transfer strip (3) is equiped with AR anti-reflection filter sheet (40) in one second light hole (31) position wherein, transfer strip (3) is equiped with IR infrared fileter (41) in another the second light hole (31) position, the anchor portion of transfer strip (3) offers the pilot hole (32) running through completely up and down, the center of two the second light holes (31) to the centre distance of pilot hole (32) equates, holder (1) is provided with in the corresponding pilot hole in bottom (32) of accommodating cavity (11) fixed leg (13) extending upward, fixed leg (13) is intercalated in pilot hole (32) and upper end extends to the top of transfer strip (3), the upper end of fixed leg (13) is set with spring (5) in the top of transfer strip (3), the upper end of spring (5) and bottom respectively with cover plate (2) and transfer strip (3) butt of corresponding side,
The free end of transfer strip (3) is provided with the periphery coaxial with pilot hole (32), periphery is provided with the gear teeth (33) of arranging successively along circumferencial direction, in accommodating cavity (11), the gear teeth (33) of corresponding transfer strip (3) are equiped with reduction gearing (6) rotatably, reduction gearing (6) meshes with the gear teeth (33) of transfer strip (3), the corresponding reduction gearing of holder (1) (6) is fitted with CD-ROM drive motor (7), the power output shaft of CD-ROM drive motor (7) is inserted in accommodating cavity (11) and is equiped with driving gear (8), driving gear (8) and reduction gearing (6) engagement.
2. a kind of pair of optical filter IR-CUT switch according to claim 1, it is characterized in that: the upper end of described holder (1) has extended motor fixed pedestal (14), the corresponding described CD-ROM drive motor of motor fixed pedestal (14) (7) offers motor inlay card groove (141), and CD-ROM drive motor (7) is embedded in motor inlay card groove (141).
3. a kind of pair of optical filter IR-CUT switch according to claim 2, it is characterized in that: described reduction gearing (6) offers center pit (61), described holder (1) offers the fixed shaft hole (15) with center pit (61) consistency from top to bottom in the bottom of accommodating cavity (11), in fixed shaft hole (15), be flush-mounted in stationary shaft (9), the upper end of stationary shaft (9) extends to the top of fixed shaft hole (15) and is intercalated in the center pit (61) of reduction gearing (6).
4. a kind of pair of optical filter IR-CUT switch according to claim 3, it is characterized in that: described reduction gearing (6) includes gear wheel portion (62) and pinion part (63), gear wheel portion (62) and described driving gear (8) engagement, pinion part (63) meshes with the gear teeth (33) of described transfer strip (3) free end.
5. a kind of pair of optical filter IR-CUT switch according to claim 4, it is characterized in that: the corresponding described spring of described cover plate (2) (5) offers the spacing hole (21) of downwardly facing opening, the upper end of spring (5) be embedded in spacing hole (21) and with the bottom butt of spacing hole (21).
6. a kind of pair of optical filter IR-CUT switch according to claim 5, it is characterized in that: the upper surface of described transfer strip (3) offers optical filter draw-in groove (34), described AR anti-reflection filter sheet (40) and described IR infrared fileter (41) are embedded in respectively in optical filter draw-in groove (34) and respectively and align with corresponding described the second light hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119952.0U CN203773214U (en) | 2014-03-14 | 2014-03-14 | Double-optical-filter IR-CUT switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119952.0U CN203773214U (en) | 2014-03-14 | 2014-03-14 | Double-optical-filter IR-CUT switching device |
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| Publication Number | Publication Date |
|---|---|
| CN203773214U true CN203773214U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119952.0U Expired - Lifetime CN203773214U (en) | 2014-03-14 | 2014-03-14 | Double-optical-filter IR-CUT switching device |
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| Country | Link |
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| CN (1) | CN203773214U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849790A (en) * | 2015-06-05 | 2015-08-19 | 温岭市现代晶体有限公司 | Infrared cut-off filter |
| CN105629415A (en) * | 2014-11-03 | 2016-06-01 | 湖北省满华光电科技有限公司 | Day-night optical filter switching device |
| CN106444228A (en) * | 2016-11-20 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Cycloidal motion IR-CUT switcher for multi-layer optical filter |
| CN106439174A (en) * | 2016-11-12 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Rotor component, electromagnetic valve, IR-CUT switcher and IRIS aperture |
| CN107885015A (en) * | 2017-10-09 | 2018-04-06 | 深圳市煜辰光学有限公司 | Stick on double optical filtering switch of glass |
| CN108508562A (en) * | 2018-04-18 | 2018-09-07 | 中国科学院西安光学精密机械研究所 | It is a kind of to be easy to the integrated shaftless closed switching device of optical fiber of zoom lens |
| CN108549148A (en) * | 2018-06-25 | 2018-09-18 | 中山联合光电科技股份有限公司 | A kind of transformational structure of light damping plate |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
| CN112378518A (en) * | 2020-09-23 | 2021-02-19 | 国网浙江省电力有限公司丽水供电公司 | Multifunctional test instrument based on infrared thermal imaging |
-
2014
- 2014-03-14 CN CN201420119952.0U patent/CN203773214U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629415A (en) * | 2014-11-03 | 2016-06-01 | 湖北省满华光电科技有限公司 | Day-night optical filter switching device |
| CN104849790A (en) * | 2015-06-05 | 2015-08-19 | 温岭市现代晶体有限公司 | Infrared cut-off filter |
| CN106439174A (en) * | 2016-11-12 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Rotor component, electromagnetic valve, IR-CUT switcher and IRIS aperture |
| CN106444228A (en) * | 2016-11-20 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Cycloidal motion IR-CUT switcher for multi-layer optical filter |
| CN107885015A (en) * | 2017-10-09 | 2018-04-06 | 深圳市煜辰光学有限公司 | Stick on double optical filtering switch of glass |
| CN108508562A (en) * | 2018-04-18 | 2018-09-07 | 中国科学院西安光学精密机械研究所 | It is a kind of to be easy to the integrated shaftless closed switching device of optical fiber of zoom lens |
| CN108549148A (en) * | 2018-06-25 | 2018-09-18 | 中山联合光电科技股份有限公司 | A kind of transformational structure of light damping plate |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
| CN112378518A (en) * | 2020-09-23 | 2021-02-19 | 国网浙江省电力有限公司丽水供电公司 | Multifunctional test instrument based on infrared thermal imaging |
| CN112378518B (en) * | 2020-09-23 | 2021-09-10 | 国网浙江省电力有限公司丽水供电公司 | Multifunctional test instrument based on infrared thermal imaging |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Liaobu City, Dongguan Province town of the new lane road, No. 61 Patentee after: DONGGUAN VIDE TECHNOLOGY Co.,Ltd. Address before: 523000 Liaobu City, Dongguan Province town of the new lane road, No. 61 Patentee before: DONGGUAN VIDE MOTOR ELECTRONICS Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
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| CX01 | Expiry of patent term |