CN204598258U - Multiple sound unit earphone - Google Patents

Multiple sound unit earphone Download PDF

Info

Publication number
CN204598258U
CN204598258U CN201520288320.1U CN201520288320U CN204598258U CN 204598258 U CN204598258 U CN 204598258U CN 201520288320 U CN201520288320 U CN 201520288320U CN 204598258 U CN204598258 U CN 204598258U
Authority
CN
China
Prior art keywords
phonation unit
coil
earphone
moving
unit
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.)
Active
Application number
CN201520288320.1U
Other languages
Chinese (zh)
Inventor
王春平
张献春
陈启高
徐江涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201520288320.1U priority Critical patent/CN204598258U/en
Application granted granted Critical
Publication of CN204598258U publication Critical patent/CN204598258U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of multiple sound unit earphone, comprising: the fore shell combined and bonnet, contains at least three dynamic iron phonation units and at least one moving-coil phonation unit in the cavity that fore shell and bonnet surround; Wherein, bonnet is provided with the fixing dynamic holddown groove of iron phonation unit of collecting and the projection around holddown groove; Projection, holddown groove and bonnet are structure as a whole; Moving-coil phonation unit is fastened in projection, and the space that both surround forms the front operatic tunes, and holddown groove is evenly distributed in the front operatic tunes, and, the dynamic iron phonation unit in moving-coil phonation unit and the front operatic tunes on vertical in a distance; In the cavity that fore shell and bonnet are encircled a city, the space before removing occupied by the operatic tunes, other space forms the rear operatic tunes.The multiple sound unit earphone utilizing above-mentioned the utility model to provide, can improve the tonequality of earphone, extends the high frequency characteristics of tonequality, reduces quality distortion.

Description

Multiple sound unit earphone
Technical field
The utility model relates to ear phone technology field, more specifically, relates to a kind of multiple sound unit earphone.
Background technology
Earphone is the Sound Effect equipment that people's amusement and recreation can use, and the earphone great majority that we commonly use belong to moving coil earphone.
For the earphone of transmission, its great majority belong to moving coil earphone, owing to being subject to the impact of production technology, material and structural behaviour, causing traditional earphone tonequality poor, cannot meet the demand of people.
Therefore, how to design the outstanding earphone of a kind of acoustical behavior and become urgent problem in ear phone technology field.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of multiple sound unit earphone, to solve the poor problem of conventional earphone tonequality.
The multiple sound unit earphone that the utility model provides, comprises the fore shell and bonnet that combine, contains at least three dynamic iron phonation units and at least one moving-coil phonation unit in the cavity that fore shell and bonnet surround; Wherein,
Bonnet is provided with the fixing dynamic holddown groove of iron phonation unit of collecting and the projection around holddown groove; Wherein, projection, holddown groove and bonnet are structure as a whole; Moving-coil phonation unit is fastened in projection, and the space that both surround forms the front operatic tunes, and holddown groove is evenly distributed in the front operatic tunes, and, the dynamic iron phonation unit in moving-coil phonation unit and the front operatic tunes on vertical in a distance; In the cavity that fore shell and bonnet are encircled a city, the space before removing occupied by the operatic tunes, other space forms the rear operatic tunes.
In addition, preferred structure is, moving-coil phonation unit offers the damping hole be communicated with the rear operatic tunes by the front operatic tunes.
In addition, preferred structure is, the position that moving-coil phonation unit is not offered damping hole is provided with pad.
Moreover preferred structure is, the cross section of moving-coil phonation unit is circular, and it is fastened in the projection of bonnet by bonding mode.
In addition, preferred structure is, before bonnet is formed, the part of the operatic tunes is provided with phonate hole.
In addition, preferred structure is, dynamic iron phonation unit and the holddown groove side of being body, and dynamic iron phonation unit is fixed in holddown groove by bonding mode.
In addition, preferred structure is, moving-coil phonation unit involving vibrations system and magnetic circuit system; Wherein, vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm side; Magnetic circuit system comprises the washer, magnet and the frame that combine successively, and the space between the sidewall of frame and washer, magnet forms magnetic gap, and voice coil loudspeaker voice coil is arranged in magnetic gap.
In addition, preferred structure is, the quantity of dynamic iron phonation unit is 3 or 5.
In addition, preferred structure is, the dynamic iron phonation unit in moving-coil phonation unit and the front operatic tunes is at least 1 millimeter apart on vertical.
Moreover, preferred structure is, dynamic iron phonation unit comprises shell, be assembled in vibrational system in shell and magnetic circuit system, fixture and be arranged at shell side go out cylinder record, vibrational system comprises the sound film be installed on above magnetic circuit system, magnetic circuit system comprises the coil be fixed on fixture, be fixed on back-shaped magnetic circuit on fixture and tongue, tongue passes the center of coil and enters back-shaped magnetic circuit, and magnetic circuit system is connected with vibrational system by an one metal wire.
The multiple sound unit earphone utilizing above-mentioned the utility model to provide, by dynamic iron phonation unit and moving-coil phonation unit are arranged on different horizontal planes, three-dimensional placement space is formed in earphone inside, realize two kinds of different phonation unit complementations on audio frequency, thus improve the tonequality of earphone, extend the high frequency characteristics of tonequality, reduce quality distortion.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of the multiple sound unit earphone according to the utility model embodiment;
Fig. 2 is the partial structurtes enlarged diagram of the multiple sound unit earphone according to the utility model embodiment;
Fig. 3 is the cutaway view of Fig. 1;
Fig. 4 is the structural representation of the moving-coil phonation unit according to the utility model embodiment;
Fig. 5 is the structural representation of the dynamic iron phonation unit according to the utility model embodiment;
Fig. 6 be according to the dynamic iron phonation unit of the utility model embodiment and moving-coil phonation unit in conjunction with schematic diagram;
Fig. 7 is the frequency response curve of conventional earphone;
Fig. 8 is the frequency response curve of the multiple sound unit earphone according to the utility model embodiment.
Reference numeral wherein comprises: fore shell 1, bonnet 2, dynamic iron phonation unit 3, moving-coil phonation unit 4, holddown groove 5, protruding 6, frame 7, damping hole 8, pad 9, phonate hole 10, voice coil loudspeaker voice coil 11, vibrating diaphragm 12, washer 13, magnet 14, upper casing 15a, lower casing 15b, fixture 16, go out cylinder record 17, sound film 18, coil 19, back-shaped magnetic circuit 20, tongue 21, wire 22, connecting line 23.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1, Fig. 2 and Fig. 3 respectively illustrate structure, the partial enlargement structure of the multiple sound unit earphone according to the utility model embodiment, and the sectional structure of Fig. 1.
As Fig. 1, shown in Fig. 2 and Fig. 3, the multiple sound unit earphone that the present embodiment provides is headphone, it comprises fore shell 1, bonnet 2, dynamic iron phonation unit 3 and moving-coil phonation unit 4, fore shell 1 and bonnet 2 are combined together to form a cavity, dynamic iron phonation unit 3 and moving-coil phonation unit 4 are all housed in this cavity, bonnet 3 is provided with holddown groove 5, holddown groove 5 is for accommodating fixing dynamic iron phonation unit 3, bonnet 2 is also provided with the projection 6 around holddown groove 5, these protruding 6 correspondences are arranged on the periphery of holddown groove 5, moving-coil phonation unit 4 is fastened on protruding 6.
Bonnet 2 comprises two faces, one facing to fore shell 1, another face is fore shell 1 dorsad, holddown groove 5 is arranged on bonnet 2 towards on that face of fore shell 1, that is holddown groove 5 is arranged in the cavity that fore shell 1 and bonnet 2 surround, protruding 6 are arranged on bonnet 2 equally towards on the face of fore shell 1, are also positioned at the cavity that fore shell 1 and bonnet 2 surround.
The object arranging protruding 6 is fixed support moving-coil phonation unit 4, namely moving-coil phonation unit 4 is fastened on protruding 6, the height of protruding 6 will meet after moving-coil phonation unit 4 is fastened on protruding 6, do not come in contact with dynamic iron phonation unit 3, moving-coil phonation unit 4 and dynamic iron phonation unit 3 is made to be on different horizontal planes, namely dynamic iron phonation unit 3 is near bonnet 2, and moving-coil phonation unit 4 is near fore shell 1.The tonequality of two kinds of phonation units can combine together by this kind of set-up mode, realizes the complementation of respective tonequality, thus the overall tonequality improving earphone, make the tonequality of earphone fuller, submissive and fine and smooth.
Moving-coil phonation unit 4 shown in Fig. 2 is circle with the cross section of projection 6, and in practical application sight, both can be arranged to the different shape matched.
Holddown groove 5 is by glue adhesive bond with dynamic iron phonation unit 3, protruding 6 with moving-coil phonation unit 4, and glue can play fixation can play sealing function again.
Moving-coil phonation unit 4 is fastened on protruding 6 and forms a cavity, this cavity is the front operatic tunes, and in the cavity surrounded at fore shell 1 and bonnet 2, space before removing occupied by the operatic tunes, other space in cavity is the rear operatic tunes, that is, the cavity that fore shell 1 and bonnet 2 surround is divided into the front operatic tunes and the rear operatic tunes by moving-coil phonation unit 4.
After bonnet 2 is formed, the part of the operatic tunes offers phonate hole 10, in other words, bonnet 2 projection 6 around part offer phonate hole 10, be sent to people Er Nei for the sound dynamic iron phonation unit 3 and moving-coil phonation unit 4 produced; Wherein, for the ease of production, holddown groove 5 and bonnet 2, protruding 6 integrated injection moldings.
The quantity of the holddown groove 5 that bonnet 2 is arranged is at least one, its quantity is identical with dynamic iron phonation unit 3, preferred amount is 3-5, holddown groove 5 is evenly distributed in the part that bonnet 2 forms the rear operatic tunes, this part be also protruding 6 around part, and the quantity of moving-coil phonation unit 4 is at least one, preferred amount is one.
Fig. 6 shows the five kinds of situations be combined with moving-coil phonation unit according to the dynamic iron phonation unit of the utility model embodiment, the visual angle of Fig. 6 is that driven iron phonation unit 3 is seen to moving-coil phonation unit 4, dynamic iron phonation unit 3 and moving-coil phonation unit 4 are the structure of simplification, and concrete structure will be described hereinafter.As shown in Figure 6, move in five kinds of situations that iron phonation unit is combined with moving-coil phonation unit at the present embodiment, all adopt a moving-coil phonation unit to be combined with 1-5 dynamic iron phonation unit respectively, the position moving iron phonation unit 3 is not limited to the position in Fig. 6.
Foregoing describes the overall structure of the multiple sound unit earphone that the utility model provides, in earphone, most important part is the phonation unit for sounding, launches to explain below by the moving-coil phonation unit 44 related in the utility model and dynamic iron phonation unit 3.
One, moving-coil phonation unit
Fig. 4 shows the structure of the moving-coil phonation unit according to the utility model embodiment.As shown in Figure 4, moving-coil phonation unit 4 involving vibrations system and magnetic circuit system; Wherein, vibrational system comprises vibrating diaphragm 12 and is incorporated into the voice coil loudspeaker voice coil 11 of vibrating diaphragm side; Magnetic circuit system comprises the washer 13, magnet 14 and the frame 7 that combine successively, and the space between the sidewall of frame 7 and washer 13, magnet 14 forms magnetic gap, and voice coil loudspeaker voice coil 11 is arranged in magnetic gap.Frame 7 is the structure of one end open, the marginal portion secure bond of openend and vibrating diaphragm 12, realizes fixing the collecting of vibrational system.Vibrate in the magnetic gap of magnetic circuit system formation after voice coil loudspeaker voice coil 11 connects the signal of telecommunication, drive vibrating diaphragm 11 to vibrate further, vibrating diaphragm instigates air sounding.
Frame 7 is also provided with the damping hole 8 being communicated with the front operatic tunes and the rear operatic tunes, play the effect of balance acoustic pressure and heat radiation, the position that frame 7 is not offered damping hole 8 is provided with pad 9, and the lead-in wire of voice coil loudspeaker voice coil 11 welds with pad 9, realizes the electrical connection of voice coil loudspeaker voice coil 11 and pad 9.
Two, dynamic iron phonation unit
Fig. 5 shows the structure of the dynamic iron phonation unit according to the utility model embodiment.As shown in Figure 5, dynamic iron phonation unit 3 comprise shell, go out cylinder record 17, connecting line 23, vibrational system, magnetic circuit system and fixture 16.Wherein, shell comprises upper casing 15a and lower casing 15b, and vibrational system and magnetic circuit system are arranged in the cavity that upper casing 15a and lower casing 15b surrounds, and is fixed by fixture 16, goes out the both sides that cylinder record 17 and connecting line 23 are arranged at shell respectively; Vibrational system comprises sound film 18 and wire 22; Magnetic circuit system comprises coil 19, loop magnetic circuit 20 and tongue 21.
Back-shaped magnetic circuit 20 comprises two magnet setting up and down, magnetic gap is formed between two magnet, coil 19 is wrapped in one end of two magnet, the other end and the fixture 16 of two magnet are fixed, connecting line 23 is electrically connected with coil 19, send the signal of telecommunication of outside to coil 19, tongue 21 is U-shaped arm configuration, one of them arm inserts in magnetic gap, another arm and fixture 16 are fixed, the two ends of wire 22 connect sound film 18 and tongue 21 respectively, after the signal of telecommunication connected by coil 19, tongue 21 vibrates in magnetic gap, thus drive sound film 18 to vibrate by coupled wire 22, sound film 18 instigates air sounding.
Moving-coil in the utility model and dynamic iron phonation unit are not limited to the structure in embodiment, can also be the moving-coil of other structures and dynamic iron phonation unit.
In order to ensure that dynamic iron phonation unit 3 is not in contact with each other in the process vibrated with moving-coil phonation unit 4, the upper cover 28 of dynamic iron phonation unit 3 is at least 1 millimeter with the spacing of the vibrating diaphragm 14 of moving-coil phonation unit 4, and 1 millimeter is the safe distance between iron phonation unit 3 and moving-coil phonation unit 4.
In addition, when installing dynamic iron phonation unit 3, will one end of cylinder record 17 be gone out towards phonate hole 10, being conducive to people's ear and receiving sound.
Foregoing describes the structure of the multiple sound unit earphone that the utility model provides in detail, by dynamic iron phonation unit and moving-coil phonation unit are arranged on different horizontal planes, three-dimensional placement space is formed in earphone inside, realize two kinds of different phonation unit complementations on audio frequency, thus improve the tonequality of earphone, extend the high frequency characteristics of tonequality, reduce quality distortion.This multiple sound unit earphone includes aural headphone, ear-canal earphones, back of the body neck formula earphone and headphone etc.
In order to the effect that the multiple sound unit earphone that the utility model provides brings is described more intuitively, test the acoustic sensitivity of the multiple sound unit earphone that acoustic sensitivity and the utility model of conventional earphone pass through, Fig. 7 and Fig. 8 respectively illustrates the frequency response curve of the frequency response curve of conventional earphone and the multiple sound unit earphone of the utility model embodiment; Abscissa in Fig. 7 and Fig. 8 represents frequency, and ordinate represents acoustic sensitivity; As shown in Figure 7, the conventional earphone of test is divided into two kinds, one is moving coil earphone, comprise moving-coil phonation unit, its acoustic sensitivity curve is Article 1 curve (from left to right) in Fig. 7, another kind is moving-iron type earphone, comprise dynamic iron phonation unit, adopt two moving-iron type earphones to test different frequency ranges, the acoustic sensitivity curve of the first moving-iron type earphone and the second moving-iron type earphone is respectively Article 2 curve (from left to right) and Article 3 curve (from left to right) in Fig. 7; As shown in Figure 8, the multiple sound unit earphone that the utility model provides is the earphone that moving-coil phonation unit and dynamic iron phonation unit fit together.
See Fig. 7, traditional moving coil earphone frequency is when about 4000HZ, acoustic sensitivity reaches peak value, and start to decline, when frequency reaches 11000HZ, acoustic sensitivity sharply declines, and illustrates that moving coil earphone can be good at controlling low-frequency range tonequality, but the tonequality of uncontrollable high band, the distortion of its frequency more high sound is more obvious; For traditional moving-iron type earphone, first moving-iron type earphone is when frequency is at 4000HZ-5000HZ, acoustic sensitivity reaches peak value, and start to decline, now, the acoustic sensitivity of the second moving-iron type earphone rises, when the frequency of the first moving-iron type earphone reaches about 11400HZ, acoustic sensitivity sharply declines, the frequency of the second moving-iron type earphone is when about 11400HZ, the peak value of acoustic sensitivity, slightly lower than peak value, illustrates that moving-iron type earphone can control the tonequality of high band very well, and uncontrollable low frequency tonequality.
See Fig. 8, moving-coil phonation unit and dynamic iron phonation unit combine and form multiple sound unit earphone of the present utility model, moving-coil phonation unit can be good at controlling low-frequency range tonequality, dynamic iron phonation unit can be good at controlling high band tonequality, both combine, when frequency reaches about 4000HZ, sensitivity can not significantly decrease, and remains to high band always.Therefore, the combination of moving-coil phonation unit and dynamic iron phonation unit can reduce the distortion of earphone tonequality, and extends the high frequency characteristics of tonequality.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should described be as the criterion with the protection range of claim.

Claims (10)

1. a multiple sound unit earphone, is characterized in that, comprises the fore shell and bonnet that combine, contains at least three dynamic iron phonation units and at least one moving-coil phonation unit in the cavity that described fore shell and described bonnet surround; Wherein,
Cover in the rear and be provided with the fixing described holddown groove of dynamic iron phonation unit of collecting and the projection around described holddown groove; Wherein, described projection, described holddown groove and described bonnet are structure as a whole;
Described moving-coil phonation unit is fastened in described projection, the space that both surround forms the front operatic tunes, described holddown groove is evenly distributed in the described front operatic tunes, and, the dynamic iron phonation unit in described moving-coil phonation unit and the described front operatic tunes on vertical in a distance;
In the cavity that described fore shell and described bonnet are encircled a city, remove the space occupied by the described front operatic tunes, other space forms the rear operatic tunes.
2. multiple sound unit earphone as claimed in claim 1, is characterized in that,
Described moving-coil phonation unit offers the damping hole be communicated with the described rear operatic tunes by the described front operatic tunes.
3. multiple sound unit earphone as claimed in claim 2, is characterized in that,
The position that described moving-coil phonation unit is not offered damping hole is provided with pad.
4. multiple sound unit earphone as claimed in claim 1, is characterized in that,
The cross section of described moving-coil phonation unit is circular, and it is fastened in the projection of described bonnet by bonding mode.
5. multiple sound unit earphone as claimed in claim 1, is characterized in that,
The part covering the operatic tunes before being formed in the rear is provided with phonate hole.
6. multiple sound unit earphone as claimed in claim 1, is characterized in that,
Described dynamic iron phonation unit and the described holddown groove side of being body, described dynamic iron phonation unit is fixed in described holddown groove by bonding mode.
7. multiple sound unit earphone as claimed in claim 1, is characterized in that,
Described moving-coil phonation unit involving vibrations system and magnetic circuit system; Wherein,
Described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm side;
Described magnetic circuit system comprises the washer, magnet and the frame that combine successively, and the space between the sidewall of described frame and described washer, described magnet forms magnetic gap, and described voice coil loudspeaker voice coil is arranged in described magnetic gap.
8. multiple sound unit earphone as claimed in claim 1, is characterized in that,
The quantity of described dynamic iron phonation unit is 3 or 5.
9. multiple sound unit earphone as claimed in claim 7, is characterized in that,
Dynamic iron phonation unit in described moving-coil phonation unit and the described front operatic tunes is at least 1 millimeter apart on vertical.
10. multiple sound unit earphone as claimed in claim 1, is characterized in that,
Described dynamic iron phonation unit comprises shell, be assembled in vibrational system in described shell and magnetic circuit system, fixture and be arranged at described shell side go out cylinder record, described vibrational system comprises the sound film be installed on above described magnetic circuit system, described magnetic circuit system comprises the coil be fixed on described fixture, be fixed on back-shaped magnetic circuit on described fixture and tongue, described tongue passes the center of described coil and enters described back-shaped magnetic circuit, and described magnetic circuit system is connected with vibrational system by an one metal wire.
CN201520288320.1U 2015-05-06 2015-05-06 Multiple sound unit earphone Active CN204598258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520288320.1U CN204598258U (en) 2015-05-06 2015-05-06 Multiple sound unit earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520288320.1U CN204598258U (en) 2015-05-06 2015-05-06 Multiple sound unit earphone

Publications (1)

Publication Number Publication Date
CN204598258U true CN204598258U (en) 2015-08-26

Family

ID=53934362

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520288320.1U Active CN204598258U (en) 2015-05-06 2015-05-06 Multiple sound unit earphone

Country Status (1)

Country Link
CN (1) CN204598258U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106231479A (en) * 2016-10-18 2016-12-14 歌尔股份有限公司 Circle ferrum earphone
CN106851506A (en) * 2017-04-01 2017-06-13 歌尔股份有限公司 Loudspeaker module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106231479A (en) * 2016-10-18 2016-12-14 歌尔股份有限公司 Circle ferrum earphone
CN106231479B (en) * 2016-10-18 2018-10-30 歌尔股份有限公司 Enclose iron earphone
CN106851506A (en) * 2017-04-01 2017-06-13 歌尔股份有限公司 Loudspeaker module

Similar Documents

Publication Publication Date Title
CN103297904B (en) A kind of Double-vibrating-diaspeaker speaker module
CN104159179A (en) Loudspeaker module group
US8379907B2 (en) Vibrating member and electroacoustic transducer having same
CN103209377B (en) Multifunction speaker
CN204929240U (en) Loudspeaker
CN204578771U (en) Loud speaker
CN209375908U (en) Microphone device
CN111031456B (en) Point sound source module loudspeaker and manufacturing method thereof
CN203590402U (en) Earphone
CN103209373B (en) Speaker module and its manufacture method
CN209201321U (en) Microphone device
CN204392545U (en) Loud speaker module
CN104822114A (en) Speaker device
CN101945317A (en) Loudspeaker
CN203225876U (en) Loudspeaker module
CN204598258U (en) Multiple sound unit earphone
CN105100996A (en) Two-in-one loudspeaker unit and headset
CN103414985B (en) The suspended structure of Microspeaker
CN203896502U (en) Piezoelectric loudspeaker
WO2015096526A1 (en) Suspended elastic diaphragm
CN203193868U (en) Multifunctional speaker
CN206061072U (en) Earphone
CN205754845U (en) Loudspeaker and be provided with the earphone of these loudspeaker
CN204014042U (en) Loud speaker module
CN204090070U (en) The horn structure that initiatively loud speaker is integrated with passive radiator and audio amplifier

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.