CN203301726U - Bass loudspeaker and electronic apparatus employing same - Google Patents
Bass loudspeaker and electronic apparatus employing same Download PDFInfo
- Publication number
- CN203301726U CN203301726U CN2013202426847U CN201320242684U CN203301726U CN 203301726 U CN203301726 U CN 203301726U CN 2013202426847 U CN2013202426847 U CN 2013202426847U CN 201320242684 U CN201320242684 U CN 201320242684U CN 203301726 U CN203301726 U CN 203301726U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- vibrating diaphragm
- woofer
- coil loudspeaker
- loudspeaker voice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a bass loudspeaker and an electronic apparatus employing same. The loudspeaker comprises a circular flat diaphragm situated on the top of a rigid ball at the center of the diaphragm and a corrugated annular portion on the edge portion, wherein the all top is in a flat plate structure. The loudspeaker further comprises a housing assembled on the side surface of the housing, wherein a plurality of scattered voice coils are arranged on the surface of the diaphragm at the side close to the housing, and the voice coils drive the diaphragm to vibrate in a balanced manner. Each voice coil corresponds to one independent magnetic circuit system, and the magnetic circuit systems are received in the housing. In such a structure, the bass loudspeaker is reduced in thickness, can be applied to a thin electronic device and allows an electronic device to be made thinner. Further disclosed is an electronic device employing the bass loudspeaker.
Description
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of woofer and applies the electronic installation of this woofer.
Background technology
Along with the progress of society and the development of technology, in recent years, the slimming increasingly of the electronic products such as television set, people are also more and more higher to the performance requirement of these electronic products, thereby the thickness that also requires supporting electronic component with it also reducing, performance and consistency improve constantly.
Woofer is a kind of important electronic component that is widely used in above-mentioned electronic product, in as thin type electronic devices such as LCD TV, notebook computers, requirement reduces its thickness as far as possible on the basis that ensures speaker performance, to adapt to the needs of thin type electronic device.
The woofer of traditional structure adopts the vibrating diaphragm of taper cone shape usually, and the center of conical diaphragm comprises a voice coil loudspeaker voice coil, and the size of magnetic circuit system is larger also thicker.The woofer of this structure, the thickness of product is larger, can't meet the present electronic product demand of slimming increasingly, and practicality is not strong.
And woofer has larger bore usually in order to guarantee its low frequency sound effect, namely has larger vibrating diaphragm area.If adopt a tabular vibrating diaphragm, be combined with the structure (voice coil loudspeaker voice coil need to be positioned at submarginal position) of a voice coil loudspeaker voice coil, large-area vibrating diaphragm requires the voice coil loudspeaker voice coil size also larger, and the coiling difficulty is more yielding.In addition, the magnet size of existing woofer is larger, and during the slimming application, washer and basin frame thickness are all less, and magnetic circuit system is easily saturated, and magnet performance surplus, cause waste, and cost is higher.
Based on above factor, need to the product of traditional structure be improved.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of woofer and applies the electronic installation of this woofer, moulding process is simple, and can reduce the thickness of woofer, and can, by this structure applications in electronic installation, also be conducive to the slimming of electronic installation.
To achieve these goals, the utility model provides a kind of woofer, comprises circular flat vibrating diaphragm, and described vibrating diaphragm comprises the ball top and the ring section that is positioned at marginal position of the rigidity that is positioned at center, and described ball top is plate-like structure; Also comprise shell, described vibrating diaphragm is incorporated on the upper side of described shell, wherein, described vibrating diaphragm has the voice coil loudspeaker voice coil of some scattering devices near the surface conjunction of described shell one side, described voice coil loudspeaker voice coil drives described vibrating diaphragm balance vibration, the corresponding magnetic circuit system independently of each described voice coil loudspeaker voice coil, described shell is accommodated fixing described magnetic circuit system.
In addition, preferred scheme is, described voice coil loudspeaker voice coil is incorporated on described vibrating diaphragm the part corresponding to described ball top, and described voice coil loudspeaker voice coil is circular configuration.
In addition, preferably scheme is, described shell is aluminum alloy materials, comprises an installed surface and the sidewall that is positioned at described installed surface periphery, and described installed surface is provided with the installing hole that fixing described magnetic circuit system is installed, and the phonate hole that is communicated with described installed surface both sides; The edge of the fixing described ring of the upper side of described sidewall section.
In addition, preferred scheme is that each described voice coil loudspeaker voice coil is positioned on same circumference, and distributes in described circumference equal intervals.
In addition, preferred scheme is that the center of circle of described vibrating diaphragm is provided with a voice coil loudspeaker voice coil.
In addition, preferred scheme is on described vibrating diaphragm, to be combined with three driver elements that are positioned on same circumference.
In addition, preferred scheme is on described vibrating diaphragm, to be combined with four driver elements that are positioned on same circumference.
In addition, preferred scheme is that honeycomb or foaming body structure are adopted in described ball top, the described ring employing PU of section or silastic material.
A kind of electronic installation, wherein, comprise woofer as above, and the framework of accommodating fixing described woofer, the operatic tunes after forming between described framework and described woofer, the described rear operatic tunes is communicated with by the phonate hole on described shell with the space of woofer vibrating diaphragm rear side.
In addition, preferred scheme is also to be provided with sound-absorbing material or gas adsorption material in the described rear operatic tunes.
The woofer of this structure, with traditional structure, compare, because adopting a plurality of small-sized voice coil loudspeaker voice coils and magnetic circuit system, the vibrating diaphragm of woofer drives, therefore, can simplify the isostructural moulding process of voice coil loudspeaker voice coil, and the performance of magnet in magnetic circuit system is fully utilized, saved cost, reduced the thickness of woofer, the woofer of this structure can be applied in the electronic installation of slimming, be conducive to the slimming of electronic installation, therefore woofer and the electronic installation applicability thereof of this structure are stronger.
The accompanying drawing explanation
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the stereo decomposing structural representation of the utility model woofer embodiment mono-.
Fig. 2 is the perspective view one of the utility model woofer embodiment mono-.
Fig. 3 is the perspective view two of the utility model embodiment mono-woofer.
Fig. 4 is the A-A cross-sectional view of woofer shown in Figure 2.
Fig. 5 is the perspective view of a kind of improvement project of the utility model embodiment mono-.
Fig. 6 is the stereo decomposing structural representation of the utility model embodiment bis-woofers.
Fig. 7 is the perspective view of the utility model embodiment bis-woofers.
Fig. 8 is the perspective view of a kind of improvement project of the utility model embodiment bis-.
Fig. 9 is the cross-sectional view of a kind of application scheme of woofer shown in Figure 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
Embodiment mono-:
As shown in Figures 1 to 4, the utility model woofer comprises vibrating diaphragm and is incorporated into the driver element of vibrating diaphragm one side, wherein vibrating diaphragm is circular flat structure, the mode secure bond such as bonding are passed through at the ball top 11 and the ring section 12 that is positioned at the flexibility of marginal position that comprise the rigidity that is positioned at center, ball top 11 with ring section 12.Loud speaker of the present utility model is a kind of woofer, and therefore, the area of vibrating diaphragm is greatly to guarantee the low frequency sound effect of product.Wherein, vibrating diaphragm comprises the driver element 3 of a plurality of scattering devices, and driver element 3 includes voice coil loudspeaker voice coil 31 and accommodates the magnetic circuit system of voice coil loudspeaker voice coil 31, wherein voice coil loudspeaker voice coil 31 and vibrating diaphragm secure bond.Also comprise shell 2, shell 2 comprises the installed surface that magnetic circuit system is installed and is positioned at the sidewall of installed surface periphery, the edge of vibrating diaphragm is incorporated into the upper surface of the sidewall of shell 2, on installed surface, comprises and accommodates the fixedly installation portion 21 and the phonate hole 22 that is communicated with the installed surface both sides of magnetic circuit system.The voice coil loudspeaker voice coil 31 of driver element 3 is incorporated into the side of vibrating diaphragm near shell, and installation portion 21 corresponds respectively to each magnetic circuit system setting.
De Qiu top, vibrating diaphragm center 11 can adopt the quality such as honeycomb or foaming body low weight, the material that rigidity is more intense, preferably, voice coil loudspeaker voice coil 31 is incorporated on vibrating diaphragm corresponding to 11De position, ball top, as shown in Figure 4, this combination can guarantee the normal operation of vibrating diaphragm, strengthens the firm degree of combination between vibrating diaphragm and voice coil loudspeaker voice coil 31.Ring section 12 can adopt the materials such as PU or silicon rubber, makes vibrating diaphragm be free to up-down vibration, guarantees the acoustical behavior of product.
As shown in figures 1 and 3, the quantity of driver element 3 is three, shell 2 is provided with accommodates fixedly installing hole 21 and the phonate hole 22 of magnetic circuit system, the quantity of the present embodiment phonate hole 22 is four, lay respectively at center and adjacent two driver elements 3 between, the air-flow that phonate hole 22 produces the vibrating diaphragm rear side flows out to the rear side of woofer, guarantees that vibrating diaphragm can move freely.The present embodiment, size, the performance of three driver elements 3 are identical, driver element 3 is incorporated on vibrating diaphragm 2 dispersedly, and be positioned on same circumference (be between the center of circle of voice coil loudspeaker voice coil 31 and vibrating diaphragm of driver element distance equate), the particular location of driver element 3 need to judge according to actual conditions, preferably, between arbitrary two adjacent driver elements, equidistantly distributes, the angle that to be arbitrary adjacent two driver elements 3 form with line between the vibrating diaphragm center of circle is identical, and the present embodiment is 120 degree.The particular location of driver element 3 on institute's respective radius is with driving vibrating diaphragm that can balance and guarantee that the acoustical behavior of vibrating diaphragm is as the criterion.In addition, the size of driver element is not limited to this identical situation, also can distinguish to some extent, and the position of driver element also is not limited to this structure that equidistantly evenly arranges.
This structure of the present utility model can be arranged to woofer flat structure, by by a plurality of small-sized driver elements 3, being driven the structure of a flat bigbore bass voice coil loudspeaker voice coil, the thickness of woofer mainly comprises the thickness sum of vibrating diaphragm and small drive units, because this small-sized driver element has less size, thereby realized the slimming of woofer, significantly reduce the thickness of woofer, can adapt to current growth requirement to the product slimming.And the easy coiling quality of the voice coil loudspeaker voice coil of small drive units is also low weight, therefore can simplify the moulding process of voice coil loudspeaker voice coil, and lighter quality also can improve the sensitivity of product.The corresponding voice coil loudspeaker voice coil setting of the magnetic circuit system of this structure, the size of magnetic circuit system and moderate dimensions, can not cause the waste of magnetic property, is conducive to cost-saving.The structure of this large-scale vibrating diaphragm of drive unit drives woofer with miniature dimensions, can improve the stability of product, improves the acoustical behavior of product.
Fig. 5 is the perspective view of a kind of improvement project of the present embodiment, as shown in the figure, the woofer of this programme has four driver elements 3, in the vibrating diaphragm center, also has a driver element 3, the structure of a driver element 3 of center increase can increase the actuating force of product, is conducive to improve the acoustical behavior of woofer.
Embodiment bis-:
As shown in Figure 6 and Figure 7, woofer comprises vibrating diaphragm and four driver elements 3 that are incorporated into the vibrating diaphragm downside, and a same embodiment, vibrating diaphragm comprise the ball top 11 of the rigidity that is positioned at center and be positioned at the ring section 12 of marginal position.The corresponding driver element 3 of shell 2 ' arranges, have four installing holes 21 that driver element 3 is installed, on same shell 2 ', also be provided with the phonate hole 22 that is communicated with outside, phonate hole 22 lays respectively at shell 2 ' and goes up over against between the position at vibrating diaphragm center and adjacent two driver elements 3.Between four driver elements 3 of the present embodiment, on same circumference and with the distance between the vibrating diaphragm center of circle, equating, and the distance between adjacent two driver elements 3 equates, the angle that is the angle that forms between adjacent two driver elements 3 and the center of circle is 90 degree, to guarantee the driving vibrating diaphragm of balance.Size and the performance of four driver elements 3 of the present embodiment are identical, but are not limited to this situation.This structure that comprises four driver elements 3 can strengthen the driving force of vibrating diaphragm, further improves power output and the acoustical behavior of product.
Fig. 8 is the perspective view of 21 kinds of improvement projects of the utility model embodiment, as shown in the figure, this programme also is provided with driver element 3 in the part corresponding to the vibrating diaphragm center, and this structure is the driving force of improving product further, improves the acoustical behavior of product.
In addition, as shown in Figure 9, cutaway view for the application structure of this woofer, woofer is arranged in the framework 4 of electronic installation, the surface that vibrating diaphragm is positioned at electronic installation is radiation sound directly, space between framework 4 and woofer forms the rear operatic tunes A of woofer, and the sound of woofer vibrating diaphragm rear side is radiated in rear operatic tunes A by phonate hole 22.Preferably, in rear operatic tunes A, can also add sound-absorbing material or gas adsorption material, sound-absorbing material can be adjusted the acoustical curve of product, and gas adsorption material (as carbon fiber nonwoven fabric etc.) can increase the equivalent volume of rear operatic tunes A, strengthens the low frequency sound effect of product.The woofer of this structure has larger vibrating diaphragm size and low frequency sound effect preferably, and as can be seen from the figure, this woofer is that plate-like structure is thinner, thereby can be applied in this slim electronic installation of schematic structure, in TV or vehicle-mounted loudspeaker audio amplifier, this application also is conducive to the slimming of electronic installation, thereby has improved the scope of application of this woofer and electronic installation.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a woofer, comprise circular flat vibrating diaphragm, and described vibrating diaphragm comprises the ball top and the ring section that is positioned at marginal position of the rigidity that is positioned at center, and described ball top is plate-like structure; Also comprise shell, described vibrating diaphragm is incorporated on the upper side of described shell, it is characterized in that,
Described vibrating diaphragm has the voice coil loudspeaker voice coil of some scattering devices near the surface conjunction of described shell one side, described voice coil loudspeaker voice coil drives described vibrating diaphragm balance vibration, the corresponding magnetic circuit system independently of each described voice coil loudspeaker voice coil, and described shell is accommodated fixing described magnetic circuit system.
2. a kind of woofer according to claim 1, is characterized in that, described voice coil loudspeaker voice coil is incorporated on described vibrating diaphragm the part corresponding to described ball top, and described voice coil loudspeaker voice coil is circular configuration.
3. a kind of woofer according to claim 2, it is characterized in that, described shell is aluminum alloy materials, comprise a plane installed surface and the sidewall that is positioned at described installed surface periphery, described installed surface is provided with the installing hole that fixing described magnetic circuit system is installed, and the phonate hole that is communicated with described installed surface both sides; The edge of the fixing described ring of the upper side of described sidewall section.
4. a kind of woofer according to claim 3, is characterized in that, each described voice coil loudspeaker voice coil is positioned on same circumference, and distribute in described circumference equal intervals.
5. a kind of woofer according to claim 4, is characterized in that, the center of circle of described vibrating diaphragm is provided with a voice coil loudspeaker voice coil.
6. according to claim 4 or 5 described a kind of woofers, is characterized in that, on described vibrating diaphragm, is combined with three driver elements that are positioned on same circumference.
7. according to claim 4 or 5 described a kind of woofers, is characterized in that, on described vibrating diaphragm, is combined with four driver elements that are positioned on same circumference.
8. according to claim 4 or 5 described a kind of woofers, is characterized in that, honeycomb or foaming body structure are adopted in described ball top, the described ring employing PU of section or silastic material.
9. electronic installation, it is characterized in that, comprise the described woofer of the arbitrary claim of claim 1 to 8, and the framework of accommodating fixing described woofer, the operatic tunes after forming between described framework and described woofer, the described rear operatic tunes is communicated with by the phonate hole on described shell with the space of woofer vibrating diaphragm rear side.
10. a kind of electronic installation according to claim 9, is characterized in that, in the described rear operatic tunes, also is provided with sound-absorbing material or gas adsorption material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013202426847U CN203301726U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker and electronic apparatus employing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013202426847U CN203301726U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker and electronic apparatus employing same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203301726U true CN203301726U (en) | 2013-11-20 |
Family
ID=49577702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2013202426847U Expired - Lifetime CN203301726U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker and electronic apparatus employing same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203301726U (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103260117A (en) * | 2013-05-08 | 2013-08-21 | 歌尔声学股份有限公司 | Woofer and electronic device applying same |
WO2021052046A1 (en) * | 2019-09-19 | 2021-03-25 | 深圳市韶音科技有限公司 | Acoustic output device |
US11115774B2 (en) | 2019-04-30 | 2021-09-07 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
CN115996275A (en) * | 2023-03-23 | 2023-04-21 | 深圳市康意数码科技有限公司 | Dust-proof heat radiator for TV set |
US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
-
2013
- 2013-05-08 CN CN2013202426847U patent/CN203301726U/en not_active Expired - Lifetime
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103260117A (en) * | 2013-05-08 | 2013-08-21 | 歌尔声学股份有限公司 | Woofer and electronic device applying same |
US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11178477B2 (en) | 2019-04-30 | 2021-11-16 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus with a plurality of acoustic drivers and methods thereof |
US11570536B2 (en) | 2019-04-30 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus and methods thereof |
US11445281B2 (en) | 2019-04-30 | 2022-09-13 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
US11496824B2 (en) | 2019-04-30 | 2022-11-08 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus with drivers in multiple frequency ranges and bluetooth low energy receiver |
US11516572B2 (en) | 2019-04-30 | 2022-11-29 | Shenzhen Shokz Co., Ltd. | Acoustic output device |
US11540037B2 (en) | 2019-04-30 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Open earphone |
US11540038B2 (en) | 2019-04-30 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Acoustic device |
US11425481B2 (en) | 2019-04-30 | 2022-08-23 | Shenzhen Shokz Co., Ltd. | Open earphone |
US11356763B2 (en) | 2019-04-30 | 2022-06-07 | Shenzhen Shokz Co., Ltd. | Open earphone |
US11159870B2 (en) | 2019-04-30 | 2021-10-26 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
US11122359B2 (en) | 2019-04-30 | 2021-09-14 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus and method thereof |
US11115774B2 (en) | 2019-04-30 | 2021-09-07 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
US11678098B2 (en) | 2019-04-30 | 2023-06-13 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
WO2021052046A1 (en) * | 2019-09-19 | 2021-03-25 | 深圳市韶音科技有限公司 | Acoustic output device |
CN115996275B (en) * | 2023-03-23 | 2023-06-13 | 深圳市康意数码科技有限公司 | Dust-proof heat radiator for TV set |
CN115996275A (en) * | 2023-03-23 | 2023-04-21 | 深圳市康意数码科技有限公司 | Dust-proof heat radiator for TV set |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203301726U (en) | Bass loudspeaker and electronic apparatus employing same | |
CN103260117A (en) | Woofer and electronic device applying same | |
KR102441980B1 (en) | Display apparatus | |
CN210225743U (en) | Single-magnetic double-sound-path coaxial loudspeaker | |
CN102802100B (en) | Loud speaker module | |
CN202713598U (en) | Dual-drive thin speaker | |
AU2011250690A1 (en) | Speaker having a horizontal former | |
US8594362B2 (en) | Speaker | |
CN103248988A (en) | Speaker apparatus with N-divided magnet structure | |
CN103269471A (en) | Flat plate type bass loudspeaker and electronic device where flat plate type bass loudspeaker is applied | |
CN104967958A (en) | Piezoelectric loudspeaker with high tone quality | |
CN201213315Y (en) | Belt type high frequency loudspeaker | |
CN201878324U (en) | Moving-iron type low frequency acoustical generator | |
CN101610438A (en) | Portable audio playback device | |
CN204206457U (en) | Spiral boosting planar diaphragm speaker | |
CN202602883U (en) | Three-in-one vibration loudspeaker with two vibrators | |
CN205693884U (en) | A kind of Microspeaker with double washer structure | |
CN203368735U (en) | Flat plate type bass loudspeaker and electronic device employing the same | |
CN202721816U (en) | A thin loudspeaker equipped with two recessed surfaces | |
CN202496062U (en) | Loudspeaker | |
CN201718027U (en) | Flexible counterweight structure for piezoelectric flat-panel speaker | |
CN103281656B (en) | Flat woofer | |
CN101931847B (en) | Thin type speaker based on multi-step magnetic yoke | |
CN201839431U (en) | Thin type speaker with tapered positioning support chip | |
CN201758446U (en) | Thin loudspeaker based on multi-step magnetic conductive yoke |
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: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
CX01 | Expiry of patent term |