CN204009228U - A kind of laser light curtain laser instrument - Google Patents
A kind of laser light curtain laser instrument Download PDFInfo
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- CN204009228U CN204009228U CN201420415021.5U CN201420415021U CN204009228U CN 204009228 U CN204009228 U CN 204009228U CN 201420415021 U CN201420415021 U CN 201420415021U CN 204009228 U CN204009228 U CN 204009228U
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- laser
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- surface mirror
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- curtain
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Abstract
The utility model provides a kind of laser light curtain laser instrument, comprises housing and is arranged on vertically the laser module in housing, and the shoot laser that the right-hand member of housing is provided with to reflect described laser module is to be incident upon the conical surface mirror on the face that is parallel to curtain wall; The right-hand member end of housing be provided be placed in described laser module emergent pupil hole place in order to the shoot laser that blocks out the pupil left and right sides to reduce the light hurdle of the distance between this shoot laser and optical axis, thereby make the luminous power that is distributed in the laser within the scope of 40 °～50 ° and within the scope of 130 °～140 ° that is incident upon after conical surface mirror on the face that is parallel to curtain wall through the shoot laser behind this light hurdle maximum.This laser instrument is without repeatedly adjustment, and reduced the quantity of laser instrument, improved work efficiency, reduced cost, realized the illumination of the high-energy light of general regions, reduced the interference of veiling glare.
Description
Technical field
The utility model relates to a kind of laser instrument (being the hand-written induction light curtain of interactive projection laser instrument) for laser light curtain.
Background technology
Two laser instruments of the general use of existing laser light curtain, be arranged on the top of curtain, cooperatively interact, on curtain, produce field of illumination, but this laser curtain, because the optic angle degree (being generally less than 180 °) of laser instrument itself causes curtain to have dead angle, each use all needs repeatedly to adjust, and just can guarantee not occur dark space on curtain, more loaded down with trivial details, affect progress, efficiency is low.
The hand-written induction light curtain of existing interactive projection is used at least two laser projecting apparatuss that are arranged on curtain or curtain wall top to carry out transmission as previously mentioned, there is the zone of intersection of two bundle laser, the zone of intersection exists without Ear Mucosa Treated by He Ne Laser Irradiation region, can produce dark space, affect camera capture effect, for fear of this kind of phenomenon, general higher to the installation requirement of laser projection instrument, each installation all needs to attempt repeatedly just fixing best installation site, takes time and effort inconvenience.
Simultaneously, the light curtain laser instrument generally using at present exists higher luminous power shoot laser to be distributed in the left and right sides of curtain or curtain wall and top position, and the general chance of using of this part is less, the region that also can often use again produces the stray lights such as veiling glare.
Utility model content
The purpose of this utility model is that the high shoot laser of luminous energy is incident upon to curtain or frequent region or the position of using of curtain wall, reduce the stray lights such as veiling glare simultaneously, meanwhile, be improve that the adjustment that in prior art, laser curtain exists is loaded down with trivial details, whole coverings (irradiation) that inefficiency and the hand-written induction light curtain of existing interactive projection can not be realized separately projected area cause installing loaded down with trivial details and awkward problem.
For achieving the above object, utility model provides a kind of laser light curtain laser instrument, comprise housing and be arranged on vertically the laser module in housing, the shoot laser that the right-hand member of described housing is provided with to reflect described laser module is to be incident upon the conical surface mirror on the face that is parallel to curtain wall;
The right-hand member end of housing be provided be placed in described laser module emergent pupil hole place in order to the shoot laser that blocks out the pupil left and right sides to reduce the light hurdle of the distance between this shoot laser and optical axis, thereby make the luminous power that is distributed in the laser within the scope of 40 °～50 ° and within the scope of 130 °～140 ° that is incident upon after conical surface mirror on the face that is parallel to curtain wall through the shoot laser behind this light hurdle maximum.
Light hurdle is that the plectane that vertical gap, inside arrange symmetrical unthreaded hole is offered at a top, this unthreaded hole is that upper base is long, the short isosceles trapezoid of going to the bottom or for circular or for square or for top margin is long, base is short, the quadrilateral that the two ends, left and right of top margin and the two ends, left and right on the base segmental arc by convex is connected;
Described vertical gap extends in described trapezoidal, circular, square or quadrilateral;
The central point on described trapezoidal, square, quadrilateral and light hurdle overlaps, and the axis of laser module is vertically through this central point.
Conical surface mirror is arranged on conical surface mirror holder;
Conical surface mirror is arranged in the light path of shoot laser of laser module, and its vertex of a cone is towards the pupil setting of laser module;
The right-hand member end of housing is connected with conical surface mirror holder by a junction, the axis of conical surface mirror is parallel to the axis of laser module and moves towards described connecting portion one lateral deviation, make distance between the axis of conical surface mirror and the axis of laser module large or equal 0mm and little or equal 4mm, the shoot laser of laser module gap between conical surface mirror holder and housing after this conical surface mirror reflection is penetrated.
Angle between two the axial ends that are parallel to laser module of connecting portion is large or equal 90 °, and little or equal 180 °.
Distance between the axis of the axis of conical surface mirror and laser module is between 0.3～0.7mm.
Housing right-hand member is provided with total reflection device on the emitting light path that goes out pupil that is placed in laser module, be arranged on housing right-hand member and be placed in the conical surface mirror that produced subtended angle on the reflected light path of this total reflection device is greater than the laser rays of 180 °.
The optical axis angle at 45 ° of total reflection device and laser module.
On the reflecting surface of total reflection device, be coated with total reflection film.
The setting of conical surface mirror impinges perpendicularly on the conical surface mirror reflected light path of total reflection device.
Conical surface mirror is arranged with a translucent cover outward, and this translucent cover is a hollow glass post, stretches out, and described conical surface mirror is enclosed in wherein in described housing;
Or this translucent cover is a ring glass circle, thereby its opening is less than on the face in the width range that the width of connecting portion is fastened on this connecting portion, and the width of this ring glass circle equals the gap between conical surface mirror holder and housing, so that described conical surface mirror is covered in the enclosure space by conical surface mirror holder, housing, connecting portion and translucent cover.
Feature of the present utility model is: adopt the reflection of conical surface mirror to produce the laser rays that subtended angle is greater than 180 °, can cover whole cloth cover or the metope of whole curtain or curtain wall, such laser instrument is installed on the top of curtain can be realized and approach and be parallel to curtain, and cover the light curtain of whole curtain, during installation, as long as be arranged on curtain or place, curtain coping middle position, only needing to adjust parallel adjusting fixed mount makes laser beam be parallel to curtain or curtain wall, time saving and energy saving, easy to use, and the quantity that has reduced laser instrument, has improved work efficiency, has reduced cost.Realize the illumination of the high-energy light of general regions, reduced the interference of veiling glare.During use, when touching curtain or curtain wall with finger or object, the curtain position that approaches of finger or object is illuminated by laser beam, camera captures after the light on finger, signal is passed to computing machine, computing machine is processed by software, the position at record finger place, thus realized the touch of screen or writing on curtain.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the laser light curtain laser instrument cut-open view that hollow glass post is installed.
Fig. 2 is the laser light curtain laser instrument cut-open view that annular glass collar is installed.
Fig. 3 is the cut-open view of the hand-written induction light curtain of interactive projection laser instrument.
Fig. 4 is that the A of Fig. 3 is to view.
Fig. 5 is that the B of Fig. 3 is to view.
Fig. 6 is the energy distribution schematic diagram of the laser facula of ejaculation after laser module collimation.
Fig. 7 is incident upon the light energy distribution figure on curtain.
Fig. 8 is the laser light curtain laser instrument diagrammatic cross-section that light hurdle is set.
Fig. 9 is light hurdle structural representation.
Figure 10 is the light energy distribution schematic diagram after the interception of light hurdle.
Figure 11 is that triangle balance regulates fixing rack structure schematic diagram.
Figure 12 is that housing profile is the housing schematic diagram that circular laser light curtain is used laser instrument.
Description of reference numerals: 1, housing; 2, laser module; 3, conical surface mirror; 4, connecting portion; 5, conical surface mirror holder; 6, translucent cover; 7, total reflection device; 8, reflecting surface; 9, end face; 10, bottom surface; 11, right-hand member end; 12, the strong point; 13, screw; 14, unthreaded hole; 15, plectane; 16, segmental arc; 17, parallel adjusting fixed support; 18, through hole; 19, circumferential deep-slotted chip breaker; 20, indent arc gap; 21, projection; 22, light curtain or curtain wall; 23, Guang Lan; 24, vertical gap; 25, stopper slot.
Embodiment
In order to overcome, the adjustment that in prior art, laser curtain exists is loaded down with trivial details, the problem of inefficiency, the present embodiment provides the laser instrument of the laser light curtain shown in a kind of Fig. 1, comprise housing 1, in housing 1, be provided with laser module 2 and be arranged on the right-hand member of housing 1 and be placed in the conical surface mirror 3 in the bright dipping light path of this laser module 2; The right-hand member end of housing 1 is connected with conical surface mirror holder 5 by a junction 4, the axis of conical surface mirror 3 moves towards described connecting portion 4 one lateral deviations, and make distance between the axis of conical surface mirror 3 and the axis of laser module 2 between 0～4mm, preferably between 0.3～0.7mm, the shoot laser of laser module 2 gap between conical surface mirror holder 5 and housing 1 after these conical surface mirror 3 reflections is penetrated, connecting portion 4 large or equal 90 ° along the angle between two ends of described housing 1, and little or equal 180 °.
Thus, the laser of laser module 2 projection is all incident upon on the face of axis one side (face that deviates from connecting portion 4 one sides) of conical surface mirror 3, guaranteed the luminous energy of the laser that conical surface mirror 3 is launched, and large or equal 90 ° along the angle between two ends of described housing 1 due to connecting portion 4, and little or equal 180 °, make the angle in the gap between conical surface mirror holder 5 and housing 1 between 180 ° to 270 °, thereby guarantee to project the laser projection district of subtended angle between 180 ° to 270 °, the laser subtended angle that efficiently solves the general projection of existing laser is less than 180 °, and have to use two laser instruments to be used in conjunction with, cause the problem that adjustment is loaded down with trivial details and cost increases.
The preferred 0.5mm of distance between the axis of the axis of conical surface mirror 3 and laser module 2, certainly, also can be according to actual design needs, making the distance between the two is 0.4mm or 0.35mm etc.
Generally, when manufacturing, laser module 2 and housing 1 coaxially can be arranged.
In order to prevent that dust, steam etc. are to the work influence of conical surface mirror 3 or corrosion, can be at the outer sheathed translucent cover 6 of conical surface mirror 3, as shown in Figure 1, this translucent cover 6 can be specifically a hollow glass post, in housing 1, stretch out, and by conical surface mirror 3 covers therein, certainly, the inner of hollow glass post is set in outside laser module 2 front ends.
This translucent cover 6 can be also the ring glass circle shown in Fig. 2, thereby its opening is less than on the face in the width range that the width of connecting portion 4 is fastened on this connecting portion 4, and the width of this ring glass circle equals the gap between conical surface mirror holder 5 and housing 1, so that conical surface mirror 3 is covered in the enclosure space by conical surface mirror holder 5, housing 1, connecting portion 4 and translucent cover 6.
The laser instrument of installing in related laser module 2 above can be that wavelength is the infrared laser of 780～1064nm, and optimal wavelength is the infrared laser of 830nm or 850nm.The full curtain that can not realize separately projected area in order to overcome the hand-written induction light curtain of existing interactive projection covers (irradiation) and causes installing loaded down with trivial details and awkward problem, the present embodiment provides the laser instrument of the laser light curtain shown in a kind of Fig. 3, comprise housing 1 and the laser module 2 in holder housing 1 vertically, also comprise the total reflection device 7 on the emitting light path that goes out pupil that is arranged on housing 1 right-hand member (being positioned at one end of person's with the aid of pictures right-hand side in figure) and is placed in laser module 2, be arranged on housing 1 right-hand member and be placed in the conical surface mirror 3 that produced subtended angle on the reflected light path of this total reflection device 7 is greater than the laser rays of 180 °.
For the ease of installing and realize as much as possible all utilizations of the shoot laser of laser module 2, in the present embodiment, the optical axis angle at 45 ° (incident angle that is laser is 45 °) of total reflection device 7 and laser module 2.On the reflecting surface 8 of total reflection device 7, be coated with total reflection film.Conventional total reflection device 7 is completely reflecting mirrors, certainly, can select other materials of plating reflectance coating on reflecting surface as total reflection device 7 according to design and application occasion needs, and as aluminium alloy, steel plate etc., these materials can cause the loss of more light certainly.
In order to ensure all reflected light all or be parallel to curtain or curtain wall projection, in the present embodiment, the setting of conical surface mirror 4 impinges perpendicularly on conical surface mirror 3 reflected light path of total reflection device 7.
In Fig. 4,5, can find out, housing comprises that end face 9(realizes and being fixedly connected with of laser module 2 by screw 13) and bottom surface 10, end face 9 is equilateral triangle, this leg-of-mutton drift angle is placed in the rear end (i.e. left end shown in figure) of laser module 2, and the axis of the center line of this drift angle and laser module 2 is parallel and be on same vertical plane, bottom surface 10 is that right-hand member end 11 is the rectangle of circular arc.During use, by the triangle of end face 9 and fixedly composite is fixing.
The strong point shown in Fig. 3 12 when installing in order to fixing and support whole laser light curtain laser instrument.
Be not difficult to find out, the hand-written induction light curtain of the interactive projection laser instrument that each embodiment provides above, adopt the reflection of conical surface mirror to produce the laser rays that subtended angle is greater than 180 °, can cover whole cloth cover or the metope of whole curtain or curtain wall, and while installing, only need to be arranged on curtain or place, curtain coping middle position, without any trial, can be in place, time saving and energy saving, easy to use.
Be illustrated in figure 6 the laser facula cross section energy profile projecting after laser module collimation, high-visible by this figure, the area that laser facula long axis direction energy covers is large, after being incident upon on the face that is parallel to light curtain 22 after the reflection of conical surface mirror, main energy distribution on the arc radius shown in Fig. 7 20 ° or 160 ° locate, and the general light curtain using is rectangle, thus, cause 45 ° of light curtain farthest with 135 ° to locate luminous energy very low, make camera reception poor, and 20 ° or 160 ° of energy are too high can produce light disturbance in use, for this reason, the present embodiment spy is provided with the light hurdle 23 shown in Fig. 8 in the right-hand member end of housing 1 in the pupil place that goes out of laser module, in order to the shoot laser that blocks out the pupil left and right sides (left and right sides that is the energy profile shown in Occlusion Map 6 is the laser at two ends, the left and right place of major axis) to reduce the distance between this shoot laser and optical axis, thereby make after conical surface mirror 3, to be incident upon the luminous power maximum that is distributed in the laser within the scope of 40 °～50 ° and within the scope of 130 °～140 ° on the face that is parallel to light curtain or curtain wall 22 through this rear shoot laser in light hurdle 23, Figure 7 shows that on arc radius 45 ° or 135 ° of luminous energies of locating the highest, when approaching the rectangular farthest of light curtain or curtain wall 22, make 45 ° to approach with 135 ° of luminous energies of locating and 90 ° of luminous energies of locating or identical, thereby avoided light disturbance, improved the practical function of light, and in actual applications, when the light curtain through 3 projections of conical surface mirror more approaches curtain wall or light curtain, effect can be better, in Fig. 7, 0 ° of arc radius, 45 °, 90 °, the luminous energy at 135 ° and 180 ° these five positions is very approaching, even identical, whole practical function gets a promotion.
The concrete structure on light hurdle 23, according to the laser facula after collimation and energy distribution, require design, in the present embodiment, the plectane 15 that vertical gap 24, inside arrange symmetrical unthreaded hole 14 is offered at the 23Wei Yi top, light hurdle providing, this unthreaded hole 14 for upper base is long, the short isosceles trapezoid of going to the bottom or for circular or for square or for top margin is long, base is short, the quadrilateral that the two ends, left and right of top margin and the two ends, left and right on the base segmental arc 16 by convex is connected; Vertically gap 24 extends in described trapezoidal, circular, square or quadrilateral; The central point on trapezoidal, square, quadrilateral and light hurdle 23 overlaps, and the axis of laser module 2 is vertically through this central point.Thus, the axis of conical surface mirror 3 and this central point depart from not on same straight line, and the definite axis that says conical surface mirror 3, like this can be so that most of laser be incident upon on the face that is parallel to light curtain or curtain wall after reflecting by conical surface mirror 3 near connecting portion 4.
It shown in Figure 10, is the energy profile of the laser facula of the projection after light hurdle 23 blocks, high-visible by this figure, by light hurdle 23, blocked the light on the long axis direction shown in Fig. 6, changed the position of the shoot laser that luminous power is large, making the arc radius of the laser light curtain after conical surface mirror 3 projection (is that to take the length on long limit of curtain wall or light curtain be diameter, its central point is the center of circle) upper 40 ° to 50 ° and 130 ° to 140 ° scope inner laser energy the highest, guarantee the illumination in frequent use region, avoided the interference of veiling glare.
As seen from Figure 8, the top of housing 1 is provided with a parallel adjusting fixed support 17, this parallel adjusting fixed support 17 as shown in figure 11, it is an isoceles triangle plate, its drift angle place offers place, two base angles of through hole 18(and also respectively offers a through hole, to coordinate the through hole at top, realize location and installation), its center, base offer with circumferential deep-slotted chip breaker 19 card at housing 1 top and indent arc gap 20, this circumferential deep-slotted chip breaker 19 as shown in figure 12, its center is provided with a stopper slot 25, the centre of indent arc gap 20 arranges the projection 21 in this stopper slot 25 of an insertion, realizing screens installs.Adopt circular housing to be easier to processing.
The laser instrument for laser light curtain that installs light hurdle 23 additional providing by the present embodiment (also becoming interactive laser light curtain laser instrument), the laser that goes out the pupil left and right sides can be blocked, change is incident upon the distribution of the luminous energy on rectangle light curtain or curtain wall or curtain after conical surface mirror 3, make high-power light be distributed in the region that people often use, eliminate the interference of veiling glare simultaneously, improve service efficiency and effect.
Claims (10)
1. a laser light curtain laser instrument, comprise housing (1) and be arranged on vertically the laser module (2) in housing (1), it is characterized in that: the shoot laser that the right-hand member of described housing (1) is provided with to reflect described laser module (2) is to be incident upon the conical surface mirror (3) on the face that is parallel to curtain wall;
The right-hand member end of housing (1) be provided be placed in described laser module (2) go out pupil place in order to the shoot laser that blocks out the pupil left and right sides to reduce the light hurdle (23) of the distance between this shoot laser and optical axis, thereby the luminous power that is distributed in the laser within the scope of 40 °～50 ° and within the scope of 130 °～140 ° that makes to be incident upon after conical surface mirror (3) through the shoot laser after this light hurdle (23) on the face that is parallel to curtain wall is maximum.
2. laser light curtain laser instrument as claimed in claim 1, it is characterized in that: described smooth hurdle (23) is that the plectane (15) that vertical gap (24), inside arrange symmetrical unthreaded hole (14) is offered at a top, this unthreaded hole (14) for upper base is long, the short isosceles trapezoid of going to the bottom or for circular or for square or for top margin is long, base is short, the quadrilateral that the two ends, left and right of top margin and the two ends, left and right on the base segmental arc (16) by convex is connected;
Described vertical gap (13) extends in described trapezoidal, circular, square or quadrilateral;
The central point of described trapezoidal, square, quadrilateral and Guang Lan (23) overlaps, and the axis of laser module (2) is vertically through this central point.
3. laser light curtain laser instrument as claimed in claim 1 or 2, is characterized in that: described conical surface mirror (3) is arranged on conical surface mirror holder (5);
Conical surface mirror (3) is arranged in the light path of shoot laser of laser module (2), and its vertex of a cone is towards the pupil setting of laser module (2);
The right-hand member end of housing (1) is connected with conical surface mirror holder (5) by a junction (4), the axis of conical surface mirror (3) is parallel to the axis of laser module (2) and moves towards described connecting portion (4) one lateral deviations, make distance between the axis of conical surface mirror (3) and the axis of laser module (2) large or equal 0mm and little or equal 4mm, the shoot laser of laser module (2) is the gap ejaculation between conical surface mirror holder (5) and housing (1) after this conical surface mirror (3) reflection.
4. laser light curtain laser instrument as claimed in claim 3, is characterized in that: angle between two the axial ends that are parallel to laser module (2) of described connecting portion (4) is large or equal 90 °, and little or equal 180 °.
5. laser light curtain laser instrument as claimed in claim 3, is characterized in that: the distance between the axis of described conical surface mirror (3) and the axis of laser module (2) is between 0.3～0.7mm.
6. laser light curtain laser instrument as claimed in claim 1 or 2, is characterized in that: housing (1) right-hand member is provided with total reflection device (7) on the emitting light path that goes out pupil that is placed in laser module (2), be arranged on housing (1) right-hand member and be placed in the conical surface mirror (3) that produced subtended angle on the reflected light path of this total reflection device (7) is greater than the laser rays of 180 °.
7. laser light curtain laser instrument as claimed in claim 6, is characterized in that: the optical axis angle at 45 ° of described total reflection device (7) and laser module (2).
8. laser light curtain laser instrument as claimed in claim 6, is characterized in that: on the reflecting surface (8) of described total reflection device (7), be coated with total reflection film.
9. laser light curtain laser instrument as claimed in claim 6, is characterized in that: the setting of described conical surface mirror (3) impinges perpendicularly on conical surface mirror (3) reflected light path of total reflection device (7).
10. laser light curtain laser instrument as claimed in claim 3, it is characterized in that: the outer translucent cover (6) that is arranged with of described conical surface mirror (3), this translucent cover (6) is a hollow glass post, stretches out, and described conical surface mirror (3) is enclosed in wherein in described housing (1);
Or this translucent cover (6) is a ring glass circle, its opening be less than connecting portion (4) thus width be fastened on the face in the width range of this connecting portion (4), and the width of this ring glass circle equals the gap between conical surface mirror holder (5) and housing (1), so that described conical surface mirror (3) is covered in the enclosure space by conical surface mirror holder (5), housing (1), connecting portion (4) and translucent cover (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415021.5U CN204009228U (en) | 2014-07-28 | 2014-07-28 | A kind of laser light curtain laser instrument |
| TW103215350U TWM494964U (en) | 2013-08-27 | 2014-08-27 | Laser for laser light screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415021.5U CN204009228U (en) | 2014-07-28 | 2014-07-28 | A kind of laser light curtain laser instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009228U true CN204009228U (en) | 2014-12-10 |
Family
ID=52049206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415021.5U Withdrawn - After Issue CN204009228U (en) | 2013-08-27 | 2014-07-28 | A kind of laser light curtain laser instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204009228U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966467A (en) * | 2015-07-28 | 2015-10-07 | 张家港保税区佰昂特种玻璃有限公司 | Sleeving and lighting device for optical-fiber film-laminated glass curtain wall |
| CN105319710A (en) * | 2014-07-28 | 2016-02-10 | 西安华科光电有限公司 | Laser device for laser light screen |
| CN105808016A (en) * | 2014-12-31 | 2016-07-27 | 中强光电股份有限公司 | Optical touch apparatus and touch sensing method therefor |
-
2014
- 2014-07-28 CN CN201420415021.5U patent/CN204009228U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319710A (en) * | 2014-07-28 | 2016-02-10 | 西安华科光电有限公司 | Laser device for laser light screen |
| CN105319710B (en) * | 2014-07-28 | 2018-01-19 | 西安华科光电有限公司 | A kind of laser light curtain laser |
| CN105808016A (en) * | 2014-12-31 | 2016-07-27 | 中强光电股份有限公司 | Optical touch apparatus and touch sensing method therefor |
| CN104966467A (en) * | 2015-07-28 | 2015-10-07 | 张家港保税区佰昂特种玻璃有限公司 | Sleeving and lighting device for optical-fiber film-laminated glass curtain wall |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20180119 |