CN102853379A - Self-adapting light dimming mechanism - Google Patents
Self-adapting light dimming mechanism Download PDFInfo
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- CN102853379A CN102853379A CN2012103259803A CN201210325980A CN102853379A CN 102853379 A CN102853379 A CN 102853379A CN 2012103259803 A CN2012103259803 A CN 2012103259803A CN 201210325980 A CN201210325980 A CN 201210325980A CN 102853379 A CN102853379 A CN 102853379A
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- fixed mount
- roller
- gear
- support
- dimming mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/698—Shaft-shaped screens rotating along its longitudinal axis
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention relates to a lighting device or functional characteristics or components of a lighting system, in particular to a self-adapting light dimming mechanism which can change the property and distribution of lumination by adjusting the components. The self-adapting light dimming mechanism comprises a rolling shaft 1, a rolling shaft bracket 2, a motor 3 and a fixing bracket 4 and is arranged between a light source component F1 and a lenses component F3 of a car lamp; the rolling shaft bracket 2 is connected to the fixing bracket 4 in a manner of a moving pair or a rotating pair; a rolling shaft gear 1a is meshed with a fixing bracket meshing component 4a; a rolling shaft bracket meshing component 2a is meshed with a motor gear 3a; and the motor 3 drives the rolling shaft bracket 2 to move or rotate and drives the rolling shaft 1 to roll along the meshing line of the rolling shaft gear 1a and the fixing bracket meshing component 4a. The rolling shaft is not influenced by friction when rolling, the transmission is accurate and stable, the situation that the rotation angle and cut-off line position are deviated due to assembly clearance can be avoided, and lighting light shape quivering resulting from looseness of the rolling shaft can be avoided during driving, so that the self-adapting light dimming mechanism is more durable and stable.
Description
The present invention requires that application number is 201220287222.2, the applying date is the national priority of the Chinese utility model patent application " a kind of self adaptation dimming mechanism " on June 18th, 2012.
Technical field
The present invention relates to functional character or the parts of a kind of lighting device or its system, relate in particular to by means of regulating the luminous characteristic of parts change and the self adaptation dimming mechanism of distribution.
Background technology
Self adaptation vehicle light illumination system can switch to different light illumination modes according to condition of road surface, such as highway mode, urban road pattern, backroad pattern, far lighting pattern and self adaptation far lighting pattern etc.The characteristics of luminescence and the distribution (light shape) of different light illumination mode lower lighting devices are different.Be used for realizing the illumination light shape of different light illumination modes, and the dimming mechanism that can switch as required is called the self adaptation dimming mechanism between different light illumination modes.
Europatent EP2088364A1 has described a kind of self adaptation dimming mechanism, is comprised of parts such as motor, wiring board, travelling gear, driven wheel, rotating shaft, support, fixed mounts.Axle sleeve and driven wheel are contained in respectively the two ends of rotating shaft, and driven wheel and rotating shaft are fixed, and can rotate take axial line as pivot with rotating shaft.Motor shaft, axle sleeve, driven wheel, travelling gear and wiring board are by being fixedly connected with bracket holder.Its light modulation principle is:
1, controls the anglec of rotation of motor by wiring board.
2, motor rotates a certain angle by travelling gear drive driven wheel and rotating shaft.
3, rotating shaft is designed to specific shape, and rotating shaft forms difform dead line when rotating to different angles.
4, the light part sent of light source assembly is blocked by rotating shaft, and all the other light shine the road surface through behind lens subassemblies, and its illumination light shape is depended on the shape of dead line.The shape of dead line was also different when extremely different angles was rotated in rotating shaft, thereby reached the purpose that changes the light shape that shines the light on the road surface.
Yet the shortcoming of above-mentioned light adjusting system is:
1, produces wearing and tearing because existing to rub in the rotating shaft rotary course, make rotating shaft loosening, cause illumination light shape generation shake in the driving process;
2, the anglec of rotation deviation that easily causes rotating shaft between motor, travelling gear, driven wheel and the rotating shaft because of the fit-up gap makes the position of dead line produce deviation, affects the stable of illumination light shape;
3, adopt the rotating shaft rotation to realize that light shape is regulated, its adjustable range is subject to the restriction of rotating shaft diameter, if enlarge adjustable range, must increase the rotating shaft diameter, thereby be subject to the restriction of car light inner space.
Summary of the invention
The object of the present invention is to provide a kind of self adaptation dimming mechanism, the mode that adopts roller bearing to roll realizes the variation of dead line, and the solution rotating shaft is worn loose to move to decrease and caused the shake of illumination light shape and fit-up gap to cause the unsettled technical problem of light shape.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
A kind of self adaptation dimming mechanism comprises roller bearing 1, roller support 2, motor 3 and fixed mount 4, and described self adaptation dimming mechanism F2 places between the light source assembly F1 and lens subassembly F3 of car light, it is characterized in that:
The one or both ends of described roller bearing 1 are fixedly connected with roller gear 1a, be fixedly connected with roller support joggle piece 2a on the described roller support 2, be fixedly connected with motor gear 3a on the output shaft of described motor 3, be fixedly connected with fixed mount joggle piece 4a on the described fixed mount 4;
Described roller support 2 is connected on the described fixed mount 4 in the mode of moving sets or revolute pair;
Described roller gear 1a and described fixed mount joggle piece 4a engagement; Described roller support joggle piece 2a and described motor gear 3a engagement;
Described motor 3 drives roller support 2 and moves or rotate by described motor gear 3a and described roller support joggle piece 2a, and drives roller bearing 1 along the path of contact rolling of roller gear 1a and fixed mount joggle piece 4a.
A kind of better technical scheme of self adaptation dimming mechanism of the present invention is characterized in that described fixed mount 4 is provided with guide groove 4b, and described roller support 2 places described guide groove 4b to consist of moving sets; Described roller support joggle piece is the support tooth bar 2a that is fixedly connected on the roller support 2, and described fixed mount joggle piece is the stationary rack 4a that is fixedly connected on the fixed mount 4; Described motor gear 3a drives described support tooth bar 2a, drives roller support 2 relative fixed mounts 4 and moves up and down, and by described roller gear 1a, drive roller bearing 1 along the path of contact scroll-up/down of shaft gear 1a and stationary rack 4a.
A kind of better technical scheme of self adaptation dimming mechanism of the present invention is characterized in that described fixed mount 4 is provided with rack shaft hole 4c, and described roller support 2 two ends are provided with support shaft 2b, and described support shaft 2b places described rack shaft hole 4c to consist of revolute pair; Described fixed mount joggle piece is the arc stationary rack 4a that is fixed on the fixed mount, and described roller support joggle piece is the support gear 2a that is fixed on 2b on the described support shaft; Described motor gear 3a driving arm gear 2a drives roller support 2 and swings up and down around the relative fixed mount 4 of roller support pivot D ', and by described roller gear 1a, drives roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and arc stationary rack 4a.
A kind of better technical scheme of self adaptation dimming mechanism of the present invention is characterized in that the center of described roller gear 1a overlaps with the pivot D of roller bearing 1.
A kind of improved technical scheme of self adaptation dimming mechanism of the present invention is characterized in that described self adaptation dimming mechanism F2 and car light form integral structure, and described fixed mount 4 is parts of the common component of light source assembly F1.
A kind of further improved technical scheme of self adaptation dimming mechanism of the present invention is characterized in that described self adaptation dimming mechanism is assembled into independently assembly, is fixedly attached on the light source assembly F1 by fixed mount 4.
A kind of preferred technical scheme of self adaptation dimming mechanism of the present invention is characterized in that the shape of dead line 1c of described roller bearing 1 is consistent with the illumination light shape of car light; When roller bearing 1 was rolled into diverse location, the shape of described dead line 1c was corresponding to the illumination light shape of vehicle under different driving conditions.
The invention has the beneficial effects as follows:
1. self adaptation dimming mechanism provided by the invention, the mode that adopts roller bearing to roll realizes the variation of dead line, roller bearing is not affected by frictional force when rolling, can avoid the illumination light shape shake that causes because rotating shaft is loosening in the driving process;
2. self adaptation dimming mechanism of the present invention, its roller bearing adopts rack-and-pinion drive mechanism, has a transmission accurate, steadily, the anglec of rotation and the dead line position that can avoid causing because of the fit-up gap produce deviation, and be more durable and stable when making the operation of self adaptation dimming mechanism;
3. self adaptation dimming mechanism of the present invention, adopt roller bearing to replace the rotating shaft rotation and realize that light shape is regulated, its adjustable range is that roller bearing diameter and barrel shift are apart from sum, therefore can under the prerequisite that does not increase the roller bearing diameter, enlarge adjustable range, thereby reduce the restriction of car light inner space to dimming mechanism.
Description of drawings
Fig. 1 is the assembly relation schematic diagram of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 2 is the structural representation of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of self adaptation dimming mechanism the first embodiment of the present invention;
Fig. 4 is the assembly relation schematic diagram of self adaptation dimming mechanism the second embodiment of the present invention;
Fig. 5 is the structural representation of self adaptation dimming mechanism the second embodiment of the present invention;
Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of self adaptation dimming mechanism the second embodiment of the present invention.
Fig. 7 is the assembly relation decomposing schematic representation of self adaptation dimming mechanism the second embodiment of the present invention;
The label of each parts among the above figure: 1-roller bearing, 1a-roller gear, the axle head of 1b-roller bearing, the dead line of 1c roller bearing, the 2-roller support, 2a-roller support joggle piece, 2b-support shaft, 2c-roller bearing axis hole, the 3-motor, 3a-motor gear, 4-fixed mount, 4a-fixed mount joggle piece, 4b-guide groove, 4c-rack shaft hole, D-roller bearing pivot, D '-roller support pivot, F1-light source assembly, F2-self adaptation dimming mechanism, F3-lens subassembly, F4-bolt.
The specific embodiment
In order to understand better technique scheme of the present invention, describe in detail further below in conjunction with drawings and Examples.
First embodiment of self adaptation dimming mechanism of the present invention as Figure 1-3, comprise roller bearing 1, roller support 2, motor 3 and fixed mount 4, self adaptation dimming mechanism F2 places between the light source assembly F1 and lens subassembly F3 of car light, when described roller bearing 1 rotates to diverse location, described roller bearing 1 presents difform dead line 1c, on the light path between light source assembly F1 and the lens subassembly F2, the light shape that projection forms car light distributes.As shown in Figures 2 and 3, the two ends of roller bearing 1 respectively are provided with a roller gear 1a, are fixedly connected with roller support joggle piece 2a on the roller support 2, are fixedly connected with motor gear 3a on the output shaft of motor 3, are fixedly connected with fixed mount joggle piece 4a on the fixed mount 4.In this embodiment, fixed mount 4 is provided with guide groove 4b, and described roller support 2 places described guide groove 4b to consist of moving sets; Described roller support joggle piece is two support tooth bar 2a that are fixedly connected on roller support 2 both sides, and described fixed mount joggle piece is two stationary rack 4a that are fixedly connected on fixed mount 4 both sides, referring to Fig. 2 and Fig. 3.The roller gear 1a at roller bearing 1 two ends respectively with the stationary rack 4a of fixed mount 4 both sides engagement, the support tooth bar 2a on roller support 2 right sides and motor gear 3a mesh.Described motor 3 is fixedly connected on the fixed mount 4, is fixedly connected with motor gear 3a on the output shaft of motor 3, referring to Fig. 3.Described motor 3 is by described motor gear 3a and described roller support joggle piece 2a, driving roller support 2 relative fixed mount 4 in guide groove 4b moves up and down, and by described roller gear 1a, drive roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and stationary rack 4a.
The operation principle of the present embodiment is:
Second embodiment of self adaptation dimming mechanism of the present invention is shown in Fig. 4-7, as different from Example 1, the both sides of described fixed mount 4 respectively are provided with a rack shaft hole 4c, described roller support 2 two ends are provided with support shaft 2b, and described support shaft 2b places described rack shaft hole 4c to consist of revolute pair; Described fixed mount joggle piece 4a is the arc-shaped rack that is fixed on the fixed mount right side, and described roller support joggle piece 2a is the gear that is fixed on the support shaft 2b of roller support 2 one ends; Under described motor gear 3a drives, described support gear 2a drives roller support 2, swing up and down around the relative fixed mount 4 of roller support pivot D ', and by described roller gear 1a, drive roller bearing 1 along the path of contact scroll-up/down of roller gear 1a and arc stationary rack 4a.
The operation principle of the present embodiment is:
In above two embodiment of self adaptation dimming mechanism of the present invention, the center of described roller gear 1a overlaps with the pivot D of roller bearing 1.In other embodiment, the center of roller gear 1a also can be different from the pivot D of roller bearing 1, that is to say, roller bearing 1 can be configured to the eccentric pivoted cams structure according to the requirement that light shape is regulated.
In the embodiment of self adaptation dimming mechanism of the present invention, the appearance profile of described roller bearing 1 is to require design according to the illumination light shape of car light, the dead line 1c of roller bearing 1, the shape of the top edge of the axial cutting plane when namely roller bearing 1 is rolled to a certain position is consistent with the requirement that the illumination light shape of car light is designed; When roller bearing 1 was rolled into diverse location, the shape of described dead line 1c was corresponding to the illumination light shape of vehicle under different driving conditions.The light part that light source assembly F1 sends, the roller bearing 1 that is subject to self adaptation dimming mechanism F2 blocks, and shines the road surface behind all the other light process lens subassembly F3, and the illumination light shape of formation is depended on the shape of dead line 1c.When roller bearing 1 was rolled into diverse location, the shape of dead line 1c was also different, thereby realized changing the purpose that shines the illumination light shape on the road surface according to different driving conditions.
In above two embodiment of self adaptation dimming mechanism of the present invention, described self adaptation dimming mechanism F2 is assembled into independently assembly, and described fixed mount 4 is fixedly attached on the light source assembly F1 by bolt F4.In other embodiment, described self adaptation dimming mechanism F2 also can form integral structure with car light, and described fixed mount 4 is parts of the global facility of light source assembly F1.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates technical scheme of the present invention; and be not to be used as limitation of the invention; any variation, modification of the above embodiment being done based on connotation of the present invention all will drop in the protection domain of claim of the present invention.
Claims (7)
1. a self adaptation dimming mechanism comprises roller bearing (1), roller support (2), motor (3) and fixed mount (4), and described self adaptation dimming mechanism (F2) places between the light source assembly (F1) and lens subassembly (F3) of car light, it is characterized in that:
The one or both ends of described roller bearing (1) are fixedly connected with roller gear (1a), be fixedly connected with roller support joggle piece 2a on the described roller support (2), be fixedly connected with motor gear (3a) on the output shaft of described motor (3), be fixedly connected with fixed mount joggle piece (4a) on the described fixed mount (4);
Described roller support (2) is connected on the described fixed mount (4) in the mode of moving sets or revolute pair;
Described roller gear (1a) and described fixed mount joggle piece (4a) engagement; Described roller support joggle piece (2a) and described motor gear (3a) engagement;
Described motor (3) drives roller support (2) and moves or rotate by described motor gear (3a) and described roller support joggle piece (2a), and drive roller bearing (1) rolls along roller gear (1a) and the path of contact of fixed mount joggle piece (4a).
2. self adaptation dimming mechanism according to claim 1 is characterized in that described fixed mount (4) is provided with guide groove (4b), and described roller support (2) places described guide groove (4b) to consist of moving sets; Described roller support joggle piece is the support tooth bar (2a) that is fixedly connected on the roller support (2), and described fixed mount joggle piece is the stationary rack (4a) that is fixedly connected on the fixed mount (4); Described motor gear (3a) drives described support tooth bar (2a), driving the relative fixed mount (4) of roller support (2) moves up and down, and by described roller gear (1a), drive roller bearing (1) along the path of contact scroll-up/down of shaft gear (1a) with stationary rack (4a).
3. self adaptation dimming mechanism according to claim 1, it is characterized in that described fixed mount (4) is provided with rack shaft hole (4c), described roller support (2) two ends are provided with support shaft (2b), and described support shaft (2b) places described rack shaft hole (4c) to consist of revolute pair; Described fixed mount joggle piece is the arc stationary rack (4a) that is fixed on the fixed mount, and described roller support joggle piece is the support gear (2a) that is fixed on (2b) on the described support shaft; Described motor gear (3a) drives described support gear (2a), driving roller support (2) swings up and down around the relative fixed mount (4) of roller support pivot D ', and by described roller gear (1a), drive roller bearing (1) along the path of contact scroll-up/down of roller gear (1a) with arc stationary rack (4a).
4. according to claim 1 to the described self adaptation dimming mechanism of arbitrary claim of 3, it is characterized in that the center of described roller gear (1a) overlaps with the pivot (D) of roller bearing (1).
5. according to claim 1 to the described self adaptation dimming mechanism of arbitrary claim of 3, it is characterized in that described self adaptation dimming mechanism (F2) and car light form integral structure, described fixed mount (4) is the part of the common component of light source assembly (F1).
6. according to claim 1 to the described self adaptation dimming mechanism of arbitrary claim of 3, it is characterized in that described self adaptation dimming mechanism is assembled into black box, is fixedly attached on the light source assembly (F1) by fixed mount (4).
7. according to claim 1 to the described self adaptation dimming mechanism of arbitrary claim of 3, it is characterized in that the shape of dead line (1c) of described roller bearing (1) is consistent with the illumination light shape of car light; When roller bearing (1) when being rolled into diverse location, the shape of described dead line (1c) is corresponding to the illumination light shape of vehicle under different driving conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325980.3A CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220287222 | 2012-06-18 | ||
| CN201220287222.2 | 2012-06-18 | ||
| CN201210325980.3A CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853379A true CN102853379A (en) | 2013-01-02 |
| CN102853379B CN102853379B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325980.3A Active CN102853379B (en) | 2012-06-18 | 2012-09-05 | Self-adapting light dimming mechanism |
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| CN (1) | CN102853379B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764945A (en) * | 2016-11-24 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | The mounting structure of car light light-modulating motor support, vehicle lamp assembly and automobile |
| CN109027956A (en) * | 2017-04-14 | 2018-12-18 | 武汉流塑自动化装备有限公司 | A kind of adaptive front lamp dimming mechanism |
| EP3505816A1 (en) * | 2017-12-26 | 2019-07-03 | Johnson Electric International AG | An optical conversion device |
| DE112017004687B4 (en) | 2017-05-14 | 2022-12-15 | Hasco Vision Technology Co., Ltd. | Vehicle lighting system based on a PBS beam splitter |
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| US5285360A (en) * | 1991-12-16 | 1994-02-08 | Textron Inc. | Automotive headlamp adjuster |
| US5373424A (en) * | 1992-10-21 | 1994-12-13 | Koito Manufacturing Co., Ltd. | Automotive projection headlamp |
| JPH0721803A (en) * | 1993-07-01 | 1995-01-24 | Toyota Motor Corp | Head light device for vehicle |
| FR2868507B1 (en) * | 2004-04-02 | 2006-11-24 | Valeo Vision Sa | PROJECTOR DEVICE WITH PIVOTING SHUTTER MECHANISM |
| US20070217194A1 (en) * | 2006-03-17 | 2007-09-20 | Sl Corporation | Rotary lamp shield driving device for providing a plurality of beam radiation patterns, and lamp assembly using the same |
| CN101469839A (en) * | 2007-12-24 | 2009-07-01 | 上海小糸车灯有限公司 | Light modulation executor for automobile headlamp |
| EP2088364B1 (en) * | 2008-02-08 | 2011-10-26 | Hella KGaA Hueck & Co. | Projection headlamp for vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5285360A (en) * | 1991-12-16 | 1994-02-08 | Textron Inc. | Automotive headlamp adjuster |
| US5373424A (en) * | 1992-10-21 | 1994-12-13 | Koito Manufacturing Co., Ltd. | Automotive projection headlamp |
| JPH0721803A (en) * | 1993-07-01 | 1995-01-24 | Toyota Motor Corp | Head light device for vehicle |
| FR2868507B1 (en) * | 2004-04-02 | 2006-11-24 | Valeo Vision Sa | PROJECTOR DEVICE WITH PIVOTING SHUTTER MECHANISM |
| US20070217194A1 (en) * | 2006-03-17 | 2007-09-20 | Sl Corporation | Rotary lamp shield driving device for providing a plurality of beam radiation patterns, and lamp assembly using the same |
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| EP2088364B1 (en) * | 2008-02-08 | 2011-10-26 | Hella KGaA Hueck & Co. | Projection headlamp for vehicles |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764945A (en) * | 2016-11-24 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | The mounting structure of car light light-modulating motor support, vehicle lamp assembly and automobile |
| CN109027956A (en) * | 2017-04-14 | 2018-12-18 | 武汉流塑自动化装备有限公司 | A kind of adaptive front lamp dimming mechanism |
| DE112017004687B4 (en) | 2017-05-14 | 2022-12-15 | Hasco Vision Technology Co., Ltd. | Vehicle lighting system based on a PBS beam splitter |
| EP3505816A1 (en) * | 2017-12-26 | 2019-07-03 | Johnson Electric International AG | An optical conversion device |
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| Publication number | Publication date |
|---|---|
| CN102853379B (en) | 2014-04-02 |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
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