CN204559832U - Earphone and C-arm adjusting device thereof - Google Patents
Earphone and C-arm adjusting device thereof Download PDFInfo
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- CN204559832U CN204559832U CN201520081148.2U CN201520081148U CN204559832U CN 204559832 U CN204559832 U CN 204559832U CN 201520081148 U CN201520081148 U CN 201520081148U CN 204559832 U CN204559832 U CN 204559832U
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- hole
- arm
- transfer hole
- trepanning
- adjusting device
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 82
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model belongs to microphone equipment technical field, aims to provide a kind of earphone and C-arm adjusting device thereof, comprises and is fixedly connected on Connection Block in the inner chamber of auricular concha and the movable rotation plug-in unit be inserted in C-arm.The utility model, by upper cover body and the mutual back-off of lower cover are formed Connection Block, the activity of the link of C-arm is inserted in the connecting hole of Connection Block, and allow patchboard be inserted in after in C-arm, the upper end of patchboard and bottom is also made to be inserted in the upper jack of upper cover body and the lower jack of lower cover respectively, in addition, also in connecting hole, be subjected to displacement slip to limit link at the sheathed spacing collar of link, like this, C-arm can swing up and down relative to auricular concha to rotate plug-in unit for fulcrum, chucking power between two auricular conchas can be in time adjusted thus according to the head sizes of different wearer, thus promote the comfort level of wearer.
Description
Technical field
The utility model belongs to microphone equipment technical field, relates to a kind of earphone, particularly relates to a kind of earphone and C-arm adjusting device thereof.
Background technology
Earphone is a kind of by electroacoustic transfer principle, transfer the signal of telecommunication that source of sound exports the transaudient acoustic product of the sound that people's ear can be heard to, at present, on market the type of earphone and profile of all kinds, occupation mode according to earphone is divided, and mainly contains the types such as wear-type, supra-aural and ear type.In prior art, its common design of headphone is connect left and right two headphone units with headband, two headphone units directly to be fitted in the ear of user, and usually, the auricular concha of headphone unit is fixedly connected with a C-arm to connect headband, be convenient to regulate the size of headband to adapt to the head sizes of different wearer, but, because C-arm is fixedly connected with auricular concha, like this, because of the difference of its head sizes for different wearers, two headphone units are identical again for the chucking power of ear, this also can bring sense of discomfort to wearer, also be, still the user demand of different wearer can not be met well.
Utility model content
The purpose of this utility model is to provide a kind of earphone and C-arm adjusting device thereof, can not regulate pendulum angle, cannot meet the technical problem of different wearer to the demand of comfort in order to solve its C-arm in existing earphone.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of earphone and C-arm adjusting device thereof, this C-arm adjusting device comprises and is fixedly connected on Connection Block in the inner chamber of auricular concha and the movable rotation plug-in unit be inserted in C-arm, described C-arm activity to be inserted in described Connection Block and can with described rotation plug-in unit for fulcrum swings up and down relative to described auricular concha, and described rotation plug-in unit plugs and is limited in described Connection Block.
Further, the sidewall of described Connection Block offers connecting hole, the link of described C-arm is inserted in described connecting hole; The first transfer hole is also offered in described Connection Block, described link offers the second transfer hole, through described second transfer hole of described first transfer hole, and just to communicating in described second transfer hole, described rotation plug-in unit is inserted in described first transfer hole and described second transfer hole.
Further, described Connection Block comprises lower cover and back-off and is located at upper cover body on described lower cover, the sidewall of described upper cover body offer successively trepanning and communicate with described upper trepanning and be positioned at the upper transfer hole of same central axis, described lower cover with the sidewall of described lower cover the same side offer successively lower trepanning and communicate with described lower trepanning and be positioned at the lower transfer hole of same central axis, described upper trepanning and described lower trepanning positive pair, described upper transfer hole is just relative with described lower transfer hole, and described upper trepanning, described lower trepanning, the described connecting hole of common formation between described upper transfer hole and described lower transfer hole, the hole wall of described upper transfer hole and described lower transfer hole offers respectively jack and lower jack, described upper jack and described lower jack form described first transfer hole jointly, the upper end of described rotation plug-in unit is inserted in described upper jack, and bottom is inserted in described lower jack.
Further, described upper jack and described lower jack are blind hole.
Further, this adjusting device also comprises spacing collar, the switching part that described link comprises the first limiting section near the arm end side of described C-arm and adjoins with described first limiting section, and described spacing collar is sheathed on described first limiting section; Described first limiting section being arranged with described spacing collar is inserted in the cavity volume that described upper trepanning and described lower trepanning formed jointly, and described switching part is inserted in the cavity volume that described upper transfer hole and described lower transfer hole formed jointly.
Further, described spacing collar comprises cover portion and the second limiting section, and the external diameter of described second limiting section is greater than the external diameter in described cover portion; Described upper trepanning with the hole wall of described lower trepanning offers respectively upper limit hole and the lower limit hole just relative with described upper limit hole, described second limiting section is inserted in the cavity volume that described upper limit hole and described lower limit hole formed jointly.
Further, the hole wall of described upper transfer hole is convexly equipped with raised line at least one, the hole wall of described lower transfer hole is convexly equipped with at least one lower raised line, described switching part is inserted in the cavity volume that each described upper raised line and each described lower raised line formed jointly.
Further, described upper raised line is set to three, and described lower raised line is set to three, and each described upper raised line and each described lower raised line one_to_one corresponding.
Further, described upper cover body is convexly equipped at least one buckle, described lower cover offers at least one block button hole, each described buckle is inserted in corresponding each described block button hole.
Compared with prior art, the beneficial effect of the C-arm adjusting device that the utility model provides is: by plugging a rotation plug-in unit in the link activity of C-arm, and this link activity is inserted in Connection Block, be limited in Connection Block because rotation plug-in unit also plugs, and Connection Block is fixedly limited in the inner chamber of auricular concha, like this, C-arm can to rotate plug-in unit for fulcrum, swing up and down relative to auricular concha to rotate plug-in unit for fulcrum, thus to adapt to the head sizes of different wearer, promote the comfort level of wearer.
The utility model additionally provides a kind of earphone and comprises two auricular conchas and the ear band being connected auricular concha described in two, also comprise one end and to be inserted in each described auricular concha the other end in order to connect the C-arm of described ear band, also comprise above-mentioned C-arm adjusting device, be convexly equipped with limit assembly in the inner chamber of each described auricular concha, each described C-arm adjusting device is arranged on corresponding each described limit assembly.
Compared with prior art, the beneficial effect of the earphone that the utility model provides is: by adopting above-mentioned C-arm adjusting device, make to finely tune the angle of each C-arm relative to the auricular concha of each correspondence, thus further according to the size of the head sizes of different wearers, chucking power between two auricular conchas in time regulating this earphone, and then promote comfort level when wearing.
Accompanying drawing explanation
Fig. 1 is the stereoscopic device structural representation in the utility model embodiment between C-arm adjusting device auricular concha;
Fig. 2 is the perspective view of C-arm in the utility model embodiment;
Fig. 3 is the perspective view of C-arm adjusting device in the utility model embodiment;
Fig. 4 is the perspective view removing C-arm adjusting device after upper cover body in the utility model embodiment;
Fig. 5 is the perspective view of the lower cover of C-arm adjusting device in the utility model embodiment;
Fig. 6 is the perspective view of the upper cover body of C-arm adjusting device in the utility model embodiment.
Label in accompanying drawing is as follows:
1 auricular concha;
2C arm, 21 links, 211 first limiting sections, 212 switching parts, 2,121 second transfer hole, 22 arm ends;
3 Connection Blocks, 31 connecting holes;
Raised line, 333 buckles on jack, 3322 in transfer hole, 3321 on trepanning, 3311 upper limit holes, 332 in 33 upper cover body, 331;
34 lower covers, 341 times trepannings, 3411 lower limit holes, 342 times transfer hole, 3421 times jacks, 3422 times raised lines, 343 block button holes;
4 rotate plug-in unit; 5 spacing collars, 51 cover portions, 52 second limiting sections; 6 fixtures, 7 positive stop strips.
Embodiment
In order to make technical problem to be solved of the present utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
It should be noted that, when parts are called as " being fixed on " or " being arranged at " another parts, it can directly on another parts or may there are parts placed in the middle simultaneously.When parts are known as " being connected to " another parts, it can be directly connected to another parts or may there are parts placed in the middle simultaneously.
Also it should be noted that, the corresponding same or analogous parts of same or analogous label in the accompanying drawing of the utility model embodiment, in description of the present utility model, it will be appreciated that, if have term " on ", D score, " left side ", orientation or the position relationship of the instruction such as " right side " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore, the term of position relationship is described only for exemplary illustration in accompanying drawing, the restriction to this patent can not be interpreted as, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figures 1 to 6, be a kind of C-arm adjusting device that the utility model one preferred embodiment provides.
As shown in Figures 1 to 6, the C-arm adjusting device of this earphone, main in order to regulate the swinging up and down relative to auricular concha 1 of C-arm 2, wherein, be moved in swing process for ease of restriction C-arm 2, this adjusting device includes Connection Block 3, as shown in Figure 1, this Connection Block 3 is fixedly connected in the inner chamber of auricular concha 1, and C-arm 2 activity is inserted in this Connection Block 3, to provide fulcrum for the swing of C-arm 2.As shown in Figure 4, can swing for ease of C-arm 2, this adjusting device includes rotates plug-in unit 4, and this rotation plug-in unit 4 activity is inserted in C-arm 2, moreover, this rotation plug-in unit 4 also plugs and is limited in Connection Block 3, and like this, C-arm 2 can swing up and down relative to auricular concha 1 for fulcrum with this rotation plug-in unit 4.
Further, as shown in Figures 1 to 4, in the preferred embodiment that the utility model provides, for ease of being plugged on Connection Block 3 by C-arm 2, wherein, the sidewall of Connection Block 3 offers connecting hole 31, the link 21 of C-arm 2 is inserted in connecting hole 31.Specifically in the present embodiment, this connecting hole 31 is opened on the left side wall of Connection Block 3, this Connection Block 3 completely through, and the central axis of this connecting hole 31 is in being horizontally disposed with.
In addition, for ease of limiting the position of patchboard, and be inserted in C-arm 2 for ease of patchboard activity, the first transfer hole (figure does not indicate) is also offered in Connection Block 3, link 21 offers the second transfer hole 2121, wherein, for convenience of the swing of C-arm 2, first transfer hole (figure does not indicate) through second transfer hole 2121, and just to communicating in the second transfer hole 2121, rotating plug-in unit 4 is inserted in the first transfer hole and the second transfer hole 2121, and also, the central axis of the first transfer hole and the second transfer hole 2121 is located along the same line.Specifically in the present embodiment, the central axis of this first transfer hole and the second transfer hole 2121 is all in vertically arranging.
Further, as shown in figures 1 and 3, in the preferred embodiment that the utility model provides, for ease of installation and maintenance, Connection Block 3 comprises lower cover 34 and upper cover body 33 two parts, wherein, this upper cover body 33 back-off is located on lower cover 34, like this, C-arm 2 is being placed in lower cover 34 corresponding position, rotation plug-in unit 4 is inserted in after in C-arm 2, subsequently upper cover body 33 can be fastened mutually, and guarantee that rotating plug-in unit 4 is plugged in upper cover body 33 and lower cover 34 corresponding position, the position of rotating plug-in unit 4 is limited with this, the rotation be convenient to for C-arm 2 provides fulcrum.
Specifically as shown in Figure 5, the sidewall of upper cover body 33 offers successively trepanning 331 and upper transfer hole 332, wherein, on this, transfer hole 332 communicates with upper trepanning 331, and on this, central axis of transfer hole 332 and the central axis of upper trepanning 331 are positioned on same level straight line.Accordingly, specifically as shown in Figure 6, lower cover 34 with the sidewall of upper cover body 33 the same side on offer lower trepanning 341 and lower transfer hole 342 successively, wherein, this lower transfer hole 342 communicates with lower trepanning 341, and the central axis of the central axis of this lower transfer hole 342 and lower trepanning 341 is positioned on same level straight line.Specifically in the present embodiment, upper trepanning 331 is positioned on the left side wall of upper cover body 33, accordingly, lower trepanning 341 is positioned on the left side wall of lower cover 34, in like manner, upper transfer hole 332 is positioned on the right side wall of upper cover body 33, and lower transfer hole 342 is positioned on the right side wall of lower cover 34.Moreover, upper trepanning 331 is just relative with lower trepanning 341, upper transfer hole 332 is just relative with lower transfer hole 342, and upper trepanning 331, lower trepanning 341, jointly between upper transfer hole 332 and lower transfer hole 342 form connecting hole 31, also namely the link 21 of C-arm 2 is inserted in the container cavity (figure does not indicate) of trepanning 331, lower trepanning 341, common formation between upper transfer hole 332 and lower transfer hole 342, swing up and down in process in C-arm 2, rotate at the central axis along this container cavity just.
Specifically as shown in Figure 5 and Figure 6, the hole wall of upper transfer hole 332 and lower transfer hole 342 offers respectively jack 3321 and lower jack 3421, obviously, upper jack 3321 and lower jack 3421 form the first transfer hole jointly, wherein, the upper end of rotating plug-in unit 4 is inserted in jack 3321, and bottom is inserted in lower jack 3421.In the preferred embodiment specifically provided at the utility model, preferably, upper jack 3321 and lower jack 3421 are blind hole, like this, rotate plug-in unit 4 and can be limited in this first transfer hole (figure does not indicate).
Further, as shown in Figure 4, in the preferred embodiment that the utility model provides, for ease of preventing C-arm 2 in swing process, to produce or axis along connecting hole 31 is subjected to displacement from Connection Block 3, this adjusting device also comprises spacing collar 5.Specifically as shown in Figure 2, the link 21 of C-arm 2 comprises the first limiting section 211 and switching part 212, wherein, this first limiting section 211 is positioned at arm end 22 side near C-arm 2, this spacing collar 5 is sheathed on the first limiting section 211, understandably, the first limiting section 211 being arranged with spacing collar 5 is inserted in trepanning 331 and the common cavity volume formed of lower trepanning 341.Again as shown in Figure 4, this switching part 212 is positioned at arm end 22 side away from C-arm 2, and adjoins with the first limiting section 211, and understandably, this switching part 212 is inserted in transfer hole 332 and the common cavity volume formed of lower transfer hole 342.
Further, as shown in Figure 4, in the preferred embodiment provided at the utility model, spacing collar 5 comprises cover portion 51 and the second limiting section 52, wherein, for ease of by spacing for the link 21 of C-arm 2 with in connecting hole 31, the external diameter of the second limiting section 52 is greater than the external diameter in cover portion 51.Specifically as shown in Figure 5 and Figure 6, upper trepanning 331 with the hole wall of lower trepanning 341 offers respectively upper limit hole 3311 and the lower limit hole 3411 just relative with upper limit hole 3311, wherein, second limiting section 52 is inserted in the common cavity volume formed in upper limit hole 3311 and lower limit hole 3411, understandably, upper limit hole 3311 is located along the same line with the central axis of upper trepanning 331, and lower limit hole 3411 is located along the same line with the central axis of lower trepanning 341.Moreover, the central axis of upper trepanning 331, upper limit hole 3311, upper transfer hole 332 is positioned on same horizontal straight line, and the central axis of lower trepanning 341, lower limit hole 3411, lower transfer hole 342 is positioned on same horizontal straight line.
Further, as shown in Figure 5 and Figure 6, in the preferred embodiment that the utility model provides, for ease of increasing the friction between the link 21 of C-arm 2 and connecting hole 31, thus the feel strengthened when swinging C-arm 2, the hole wall of upper transfer hole 332 is convexly equipped with raised line 3322 at least one, wherein, upper raised line 3322 is curved, and with upper transfer hole 332 coaxial line, accordingly, the hole wall of lower transfer hole 342 is convexly equipped with at least one lower raised line 3422, wherein, lower raised line 3422 is also curved, and with lower transfer hole 342 coaxial line, obviously, switching part 212 is inserted in each upper raised line 3322 and the common cavity volume formed of each lower raised line 3422.It is concrete that preferably, upper raised line 3322 is set to three, and lower raised line 3422 is set to three in the present embodiment, and each upper raised line 3322 and each lower raised line 3422 one_to_one corresponding.
Further, as Fig. 1, Fig. 3, shown in Fig. 5 and Fig. 6, in the preferred embodiment that the utility model provides, fasten for ease of the accurate contraposition between upper cover body 33 and lower cover 34, upper cover body 33 is convexly equipped at least one buckle 333, lower cover 34 offers at least one block button hole 343, each buckle 333 is inserted in corresponding each block button hole 343, specifically in the present embodiment, relatively on front side wall and the rear wall of upper cover body 33 be convexly equipped with a buckle 333, relatively on front side wall and the rear wall of lower cover 34 offer a block button hole 343, and in the present embodiment, adopt multiple fixture 6 such as screw to achieve a fixed connection between upper cover body 33 and lower cover 34.
The utility model also provides a kind of earphone, wherein, this earphone comprises two auricular conchas 1 and the ear band (figure does not indicate) being connected two auricular conchas 1, this earphone also comprises C-arm 2, wherein one end of this C-arm 2 is inserted in each auricular concha 1, the other end in order to engaging lug band, obviously, understandably, this earphone has two C-arm 2.In addition, for ease of the difference of the head sizes according to different wearer, regulate the chucking power between two auricular conchas 1, this earphone also comprises above-mentioned C-arm 2 adjusting device.As shown in Figure 1, for ease of limiting the position of the Connection Block 3 of each C-arm 2 adjusting device, be convexly equipped with limit assembly in the inner chamber of each auricular concha 1, obviously, each C-arm 2 adjusting device is arranged on corresponding each limit assembly.Specifically in the present embodiment, each limit assembly is made up of two positive stop strips be parallel to each other 7, and also, each Connection Block 3 is arranged between two positive stop strips 7 in the inner chamber of each auricular concha 1.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (10)
1. the C-arm adjusting device of earphone, it is characterized in that: comprise and be fixedly connected on Connection Block in the inner chamber of auricular concha and the movable rotation plug-in unit be inserted in C-arm, described C-arm activity to be inserted in described Connection Block and can with described rotation plug-in unit for fulcrum swings up and down relative to described auricular concha, and described rotation plug-in unit plugs and is limited in described Connection Block.
2. the C-arm adjusting device of earphone as claimed in claim 1, it is characterized in that: the sidewall of described Connection Block offers connecting hole, the link of described C-arm is inserted in described connecting hole; The first transfer hole is also offered in described Connection Block, described link offers the second transfer hole, through described second transfer hole of described first transfer hole, and just to communicating in described second transfer hole, described rotation plug-in unit is inserted in described first transfer hole and described second transfer hole.
3. the C-arm adjusting device of earphone as claimed in claim 2, it is characterized in that: described Connection Block comprises lower cover and back-off and is located at upper cover body on described lower cover, the sidewall of described upper cover body offer successively trepanning and communicate with described upper trepanning and be positioned at the upper transfer hole of same central axis, described lower cover with the sidewall of described lower cover the same side offer successively lower trepanning and communicate with described lower trepanning and be positioned at the lower transfer hole of same central axis, described upper trepanning and described lower trepanning positive pair, described upper transfer hole is just relative with described lower transfer hole, and described upper trepanning, described lower trepanning, the described connecting hole of common formation between described upper transfer hole and described lower transfer hole, the hole wall of described upper transfer hole and described lower transfer hole offers respectively jack and lower jack, described upper jack and described lower jack form described first transfer hole jointly, the upper end of described rotation plug-in unit is inserted in described upper jack, and bottom is inserted in described lower jack.
4. the C-arm adjusting device of earphone as claimed in claim 3, is characterized in that: described upper jack and described lower jack are blind hole.
5. the C-arm adjusting device of earphone as claimed in claim 3, it is characterized in that: also comprise spacing collar, the switching part that described link comprises the first limiting section near the arm end side of described C-arm and adjoins with described first limiting section, described spacing collar is sheathed on described first limiting section; Described first limiting section being arranged with described spacing collar is inserted in the cavity volume that described upper trepanning and described lower trepanning formed jointly, and described switching part is inserted in the cavity volume that described upper transfer hole and described lower transfer hole formed jointly.
6. the C-arm adjusting device of earphone as claimed in claim 5, it is characterized in that: described spacing collar comprises cover portion and the second limiting section, the external diameter of described second limiting section is greater than the external diameter in described cover portion; Described upper trepanning with the hole wall of described lower trepanning offers respectively upper limit hole and the lower limit hole just relative with described upper limit hole, described second limiting section is inserted in the cavity volume that described upper limit hole and described lower limit hole formed jointly.
7. the C-arm adjusting device of earphone as claimed in claim 5, it is characterized in that: the hole wall of described upper transfer hole is convexly equipped with raised line at least one, the hole wall of described lower transfer hole is convexly equipped with at least one lower raised line, described switching part is inserted in the cavity volume that each described upper raised line and each described lower raised line formed jointly.
8. the C-arm adjusting device of earphone as claimed in claim 7, it is characterized in that: described upper raised line is set to three, described lower raised line is set to three, and each described upper raised line and each described lower raised line one_to_one corresponding.
9. the C-arm adjusting device of earphone as claimed in claim 3, is characterized in that: described upper cover body is convexly equipped at least one buckle, described lower cover offers at least one block button hole, and each described buckle is inserted in corresponding each described block button hole.
10. earphone, comprise two auricular conchas and the ear band being connected auricular concha described in two, it is characterized in that: also comprise one end and to be inserted in each described auricular concha the other end in order to connect the C-arm of described ear band, also comprise the C-arm adjusting device as described in any one of claim 1 to 9, be convexly equipped with limit assembly in the inner chamber of each described auricular concha, each described C-arm adjusting device is arranged on corresponding each described limit assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081148.2U CN204559832U (en) | 2015-02-04 | 2015-02-04 | Earphone and C-arm adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081148.2U CN204559832U (en) | 2015-02-04 | 2015-02-04 | Earphone and C-arm adjusting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559832U true CN204559832U (en) | 2015-08-12 |
Family
ID=53834901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520081148.2U Expired - Fee Related CN204559832U (en) | 2015-02-04 | 2015-02-04 | Earphone and C-arm adjusting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204559832U (en) |
-
2015
- 2015-02-04 CN CN201520081148.2U patent/CN204559832U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee after: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee before: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |