CN107750040A - A kind of electromagnetic driver and mobile terminal - Google Patents
A kind of electromagnetic driver and mobile terminal Download PDFInfo
- Publication number
- CN107750040A CN107750040A CN201711130821.7A CN201711130821A CN107750040A CN 107750040 A CN107750040 A CN 107750040A CN 201711130821 A CN201711130821 A CN 201711130821A CN 107750040 A CN107750040 A CN 107750040A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- reed
- circuit device
- magnetic circuit
- magnetite
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
Abstract
The invention provides a kind of electromagnetic driver and mobile terminal, the electromagnetic driver includes：Support housing；Reed, the reed are fixed in the support housing, and are set with the bottom interval of the support housing；Magnetic circuit device, the magnetic circuit device is located on the reed, and is fixedly connected with the reed；Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil are fixed in the support housing, and the voice coil loudspeaker voice coil is located within the preset range of the magnetic circuit device.Therefore, the solution of the present invention, magnetic circuit device is arranged on reed, and be fixedly connected with reed, in terms of existing technologies, increase the contact area between magnetic circuit device and reed, so as to enhance the fixation reliability of reed and magnetic circuit device, and then make it that magnetic circuit device is difficult for drop-off.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of electromagnetic driver and mobile terminal.
Background technology
The release shielded comprehensively with mobile phone, traditional receiver can not meet the requirement of complete machine, derive in industry such as pressure
The scheme of electroceramics and electromagnetic driver, its operation principle are transaudient by vibrating, and can be expired in the case of screen not perforate
The basic call requirement of foot.
However, the scheme of the electromagnetic driver provided in the market, one end of its reed is fixed in support housing, separately
One end is connected with the magnetic conduction sheet of side magnetic in magnetic circuit device by laser welding.Wherein, the program be present following aspects：
1st, it is higher with the technology difficulty of reed welding because the magnetic conduction sheet area of side magnetic is small, and soldering reliability is difficult to ensure card；
2nd, side magnetic and magnetic conduction sheet inherently have caducous risk, along with stress point directly is acted on into magnetic conduction now
Piece, the risk that comes off are bigger.
It follows that electromagnetic driver of the prior art is because the welding of reed and magnetic circuit device is reliably poor, so as to
Cause magnetic circuit device easy to fall off.
The content of the invention
The embodiment provides a kind of electromagnetic driver and mobile terminal, is swashed with solving electromagnetism of the prior art
Encouraging device causes the caducous problem of magnetic circuit device because the soldering reliability of reed and magnetic circuit device is poor.
In a first aspect, the embodiment provides a kind of electromagnetic driver, including：
Support housing；
Reed, the reed are fixed in the support housing, and are set with the bottom interval of the support housing；
Magnetic circuit device, the magnetic circuit device is located on the reed, and is fixedly connected with the reed；
Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil are fixed in the support housing, and the voice coil loudspeaker voice coil is located at the default model of the magnetic circuit device
Within enclosing.
Second aspect, the embodiment provides a kind of mobile terminal, including electromagnetic driver described above.
The beneficial effect of the embodiment of the present invention is：
Embodiments of the invention, magnetic circuit device is arranged on reed, and be fixedly connected with reed, relative to prior art
For, the contact area between magnetic circuit device and reed is increased, it is reliable so as to enhance the fixation of reed and magnetic circuit device
Property, and then make it that magnetic circuit device is difficult for drop-off.
Brief description of the drawings
Fig. 1 represents the structural representation of the electromagnetic driver of the embodiment of the present invention；
Fig. 2 represents the explosive view of the electromagnetic driver of the embodiment of the present invention；
Fig. 3 represents another explosive view of magnetic circuit device in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The embodiment provides a kind of electromagnetic driver, and as depicted in figs. 1 and 2, the electromagnetic driver includes：
Support housing 1；
Reed 2, the reed 2 are fixed in the support housing 1, and are set with the bottom interval of the support housing 1,
I.e. as shown in figure 1, reed 2 and the closing cap 101 of support housing 1 are spaced pre-determined distance；Wherein, the pre-determined distance is reed 2
Oscillation space is reserved；
Magnetic circuit device 3, the magnetic circuit device 3 is located on the reed 2, and is fixedly connected with the reed 2；
Voice coil loudspeaker voice coil 4, the voice coil loudspeaker voice coil 4 are fixed in the support housing 1, and the voice coil loudspeaker voice coil 4 is located at the pre- of the magnetic circuit device 3
Within the scope of if.Wherein, there is magnetic field within the preset range of the magnetic circuit device 3, then voice coil loudspeaker voice coil 4 is located at the magnetic circuit device
In magnetic field caused by 3.
The electromagnetic driver of the embodiment of the present invention, voice coil loudspeaker voice coil 4 is fixed in support housing 1, and magnetic circuit device 3 is arranged at
On reed 2, and it is fixedly connected with reed 2.Wherein, after voice coil loudspeaker voice coil 4 is powered, when the electric current of change is by voice coil loudspeaker voice coil 4, in magnetic field
Voice coil loudspeaker voice coil 4 and magnetic circuit device 3 can have the trend mutually moved, and voice coil loudspeaker voice coil 4 is fixed, so magnetic circuit device 3 can be together with reed 2
Motion.Because the mass of magnetic circuit device 3 is larger, whole electromagnetic driver can be driven to vibrate.And when the electromagnetism of the embodiment of the present invention swashs
When encouraging device installation on mobile terminals, the vibration of the electromagnetic driver then causes the vibration of mobile terminal screen, so as to send sound
Sound.
Wherein, because magnetic circuit device 3 is arranged on reed 2, and it is fixedly connected with reed 2, in terms of existing technologies,
The contact area between magnetic circuit device 3 and reed 2 is increased, it is reliable so as to enhance the fixation of reed 2 and magnetic circuit device 3
Property, and then make it that magnetic circuit device 3 is difficult for drop-off.
Preferably, as depicted in figs. 1 and 2, the magnetic circuit device 3 includes the first yoke 301 and the first center magnetite 302,
First yoke 301 is fixedly connected with the reed 2, wherein, it is provided with a groove on first yoke 301, described
One center magnetite 302 is located in the groove, and a gap is set between the side wall of the groove, and the voice coil loudspeaker voice coil 4 is at least
Part is stretched into the gap between the groove and first center magnetite 302.
Wherein, in an embodiment of the present invention, magnetic circuit device 3 eliminates the design of side magnetic, and by the first yoke 301
Upper setting groove, substitute side magnetic of the prior art using the side wall of the groove, then the caducous problem of side magnetic no longer be present.
In addition, by between the groove for being extending at least partially into the first yoke 301 and the first center magnetite 302 of voice coil loudspeaker voice coil 4
In gap, so that voice coil loudspeaker voice coil 4 may be in magnetic field caused by magnetic circuit device 3, and then can be after the energization of voice coil loudspeaker voice coil 4, by changing
Electric current cause the voice coil loudspeaker voice coil 4 being located in magnetic field and magnetic circuit device 3 trend mutually moved to be present.
Further, first center magnetite 302 is fixedly installed in the groove, such as the first center magnetite 302
It is bonded in groove.That is embodiments of the invention, the first center magnetite 302 is placed directly in the groove on the first yoke 301
It is interior, and be fixedly connected with the bottom of groove, the contact area between the first center magnetite 302 and the first yoke 301 is increased, from
And the fixation reliability between the first center magnetite 302 and the first yoke 301 is enhanced, and then cause the first center magnetite 302
It is difficult for drop-off between the first yoke 301.
Preferably, as shown in figure 3, the magnetic circuit device 3 includes the second center magnetite 303, the yoke of annular magnetite 304 and second
Iron 305, second yoke 305 are fixedly connected with the reed 2, wherein, second center magnetite 303 is located at the annular
In the ring of magnetite 304, second center magnetite 303 and the annular magnetite 304 are separately fixed at second yoke 305
On, in the gap being extending at least partially between second center magnetite 303 and the annular magnetite 304 of the voice coil loudspeaker voice coil 4.
Wherein, magnetic circuit device 3 is made up of the second center magnetite 303, the yoke 305 of annular magnetite 304 and second so that the magnetic
Road device 3 eliminates the design of side magnetic, and by setting annular magnetite 304 on the second yoke 305, to substitute in the prior art
Side magnetic, then the caducous problem of side magnetic no longer be present.
In addition, by the gap being extending at least partially between the second center magnetite 303 and annular magnetite 304 of voice coil loudspeaker voice coil 4, from
And make it that voice coil loudspeaker voice coil 4 may be in magnetic field caused by magnetic circuit device 3, and then can be made after the energization of voice coil loudspeaker voice coil 4 by the electric current changed
The voice coil loudspeaker voice coil 4 in magnetic field must be located at and magnetic circuit device 3 has the trend mutually moved.
Further, the second center magnetite 303 and annular magnetite 304 are bonded on the second yoke 305 respectively, are increased respectively
Contact area between second center magnetite 303, the yoke 305 of annular magnetite 304 and second, so as to enhance respectively in second
Fixation reliability between heart magnetite 303, the yoke 305 of annular magnetite 304 and second, and then cause the He of the second center magnetite 303
Annular magnetite 304 is not easy to come off from the second yoke 305.
Preferably, it is connected with spring between the magnetic circuit device 3 and the reed 2.Wherein, magnetic circuit device 3 and reed 2 it
Between spring setting, can in the voice coil loudspeaker voice coil 4 by the electric current of change when so that magnetic circuit device 3 easily facilitates vibration, and then is beneficial to
Realize the function of electromagnetic driver.
Preferably, set textured on the reed 2 or offer through hole 201 (as shown in Figure 2).Wherein, on reed 2
The setting of texture or through hole 201, it can increase the elasticity of reed 2, during so as in the voice coil loudspeaker voice coil 4 by the electric current of change, just
Vibrated in magnetic circuit device 3 together with reed 2, be further beneficial to the function of realizing electromagnetic driver.
Preferably, the magnetic circuit device 3 is Nian Jie or riveting with the connected mode of the reed 2.Wherein, magnetic circuit device
Not only fixed effect is reliable for 3 be bonded with reed 2 or riveting connected modes, and operating process is simple, simplifies technique, drop
Low cost.Wherein it is possible to understand, it is not limited thereto for magnetic circuit device 3 with the mode that is fixedly connected of reed 2.
Preferably, the reed 2 is bonded or is connected in the support housing 1.Wherein, reed 2 swashs in whole electromagnetism
Encourage play a part of in device be mechanical force transmission, thus fixed effect of the reed 2 in support housing 1 is particularly important.And this
The embodiment of invention, reed 2 is bonded or is connected in support housing 1, not only fixed effect is reliable, and operating process letter
It is single, technique is simplified, reduces cost.Wherein it is possible to understand, for fixed form of the reed 2 in support housing 1 simultaneously
It is not limited to this.
Preferably, the voice coil loudspeaker voice coil 4 is bonded in the support housing 1, so that voice coil loudspeaker voice coil 4 can be securely fixed in branch
It is difficult for drop-off on support shell 1.Wherein it is possible to understand, for fixed form of the voice coil loudspeaker voice coil 4 in support housing 1 not office
It is limited to this.
Preferably, the electromagnetic driver also includes：Power supply circuit plate, the power supply circuit plate are fixed on outside the support
On shell 1, and electrically connected with the voice coil loudspeaker voice coil 4.Wherein, the power supply circuit plate is that voice coil loudspeaker voice coil 4 provides electric energy, so that the present invention is implemented
The electromagnetic driver of example at work, can flow through the electric current of change in voice coil loudspeaker voice coil 4.Further, the power supply circuit plate can be
Flexible PCB (Flexible Printed Circuit, abbreviation FPC).
In summary, embodiments of the invention, magnetic circuit device 3 is arranged on reed 2, and be fixedly connected with reed 2, phase
For prior art, the contact area between magnetic circuit device 3 and reed 2 is increased, so as to enhance reed 2 and magnetic circuit
The fixation reliability of device 3, and then make it that magnetic circuit device 3 is difficult for drop-off.
The embodiment of the present invention additionally provides a kind of mobile terminal, including electromagnetic driver described above.Wherein, the movement
Terminal, which includes mobile phone, tablet personal computer etc., to be needed to set the electronic equipment of receiver.
Wherein, due to electromagnetic driver described above, magnetic circuit device 3 is arranged on reed 2, and fixed with reed 2
Connection, increases the contact area between magnetic circuit device 3 and reed 2, the fixation for enhancing reed 2 and magnetic circuit device 3 is reliable
Property, so that magnetic circuit device 3 is difficult for drop-off, thus the mobile terminal of the embodiment of the present invention has more preferably reliability.
In the description of the invention, it is to be understood that indicating position or the position such as term " on ", " under ", "left", "right"
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element must have specific orientation and specific azimuth configuration and operation, it is thus impossible to
It is interpreted as limitation of the present invention.In addition, " first ", " second " are merely due to describe purpose, and it is not intended that indicate or imply
Relative importance or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ", the feature of " second " can
To express or implicitly include one or more this feature.In description of the invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation " " phase
Even " " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected with by intermediary, can be with
It is the connection of two element internals.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
Above-described embodiment is described in reference to the drawings, and other different forms and embodiment are also possible without departing from this
The principle of invention, therefore, the present invention should not be construed as the limitation of embodiment is proposed at this.More precisely, these realities
Apply example and be provided so that the present invention can be perfect and complete, and the scope of the invention can be communicated to those skilled in the art.
In accompanying drawing, size of components and relative size are perhaps based on being exaggerated for the sake of clear.Term used herein, which is based only on, to be retouched
Specific embodiment purpose is stated, being not intended to, which turns into limitation, uses.Term "comprising" and/or " comprising " are when being used in this specification, table
Show the presence of the feature, integer, component and/or component, but be not excluded for one or more further features, integer, component, component
And/or the presence or increase of its group.Unless otherwise indicated, narrative tense, a value scope include the bound and therebetween of the scope
Any subrange.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art
Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (11)
- A kind of 1. electromagnetic driver, it is characterised in that including：Support housing；Reed, the reed are fixed in the support housing, and are set with the bottom interval of the support housing；Magnetic circuit device, the magnetic circuit device is located on the reed, and is fixedly connected with the reed；Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil are fixed in the support housing, and the voice coil loudspeaker voice coil be located at the magnetic circuit device preset range it It is interior.
- 2. electromagnetic driver according to claim 1, it is characterised in that the magnetic circuit device includes the first yoke and first Center magnetite, first yoke are fixedly connected with the reed, wherein, a groove is provided with first yoke, it is described First center magnetite is located in the groove, and a gap is set between the side wall of the groove, at least portion of the voice coil loudspeaker voice coil Divide and stretch into the gap between the groove and first center magnetite.
- 3. electromagnetic driver according to claim 2, it is characterised in that first center magnetite is fixedly installed on described In groove.
- 4. electromagnetic driver according to claim 1, it is characterised in that the magnetic circuit device include the second center magnetite, Annular magnetite and the second yoke, second yoke are fixedly connected with the reed, wherein, second center magnetite is located at institute In the ring for stating annular magnetite, second center magnetite and the annular magnetite are separately fixed on second yoke, described In the gap being extending at least partially between second center magnetite and the annular magnetite of voice coil loudspeaker voice coil.
- 5. electromagnetic driver according to claim 1, it is characterised in that connected between the magnetic circuit device and the reed There is spring.
- 6. electromagnetic driver according to claim 1, it is characterised in that set textured on the reed or offer Through hole.
- 7. electromagnetic driver according to claim 6, it is characterised in that the connection side of the magnetic circuit device and the reed Formula is bonding or riveting.
- 8. electromagnetic driver according to claim 1, it is characterised in that the reed bonding is connected to the support On shell.
- 9. electromagnetic driver according to claim 1, it is characterised in that the voice coil loudspeaker voice coil is bonded in the support housing.
- 10. electromagnetic driver according to claim 1, it is characterised in that also include：Power supply circuit plate, the power supply electricity Road plate is fixed in the support housing, and is electrically connected with the voice coil loudspeaker voice coil.
- 11. a kind of mobile terminal, it is characterised in that including the electromagnetic driver as described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130821.7A CN107750040A (en) | 2017-11-15 | 2017-11-15 | A kind of electromagnetic driver and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130821.7A CN107750040A (en) | 2017-11-15 | 2017-11-15 | A kind of electromagnetic driver and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107750040A true CN107750040A (en) | 2018-03-02 |
Family
ID=61252154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130821.7A Pending CN107750040A (en) | 2017-11-15 | 2017-11-15 | A kind of electromagnetic driver and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107750040A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134381A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| WO2020134380A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| CN112243184A (en) * | 2019-07-17 | 2021-01-19 | 奥音科技（北京）有限公司 | Electromagnetic actuator and output device |
| US11678123B2 (en) | 2020-05-20 | 2023-06-13 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a speaker or a sound transducer with a high-strength metal connection between the voice coil and the magnet system |
| US11838736B2 (en) | 2020-05-20 | 2023-12-05 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822704A (en) * | 2005-01-24 | 2006-08-23 | 株式会社西铁城电子 | Electromagnetism actuator |
| CN1855947A (en) * | 2005-04-19 | 2006-11-01 | 株式会社西铁城电子 | Electromagnetic actuator |
| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| JP2008048079A (en) * | 2006-08-11 | 2008-02-28 | Citizen Electronics Co Ltd | Electrodynamic exciter |
| CN101150884A (en) * | 2006-06-06 | 2008-03-26 | 株式会社西铁城电子 | Electrodynamic exciter |
| CN102273228A (en) * | 2010-01-11 | 2011-12-07 | 宝星电子株式会社 | Multifunctional micro-speaker |
| CN102896084A (en) * | 2011-07-29 | 2013-01-30 | 三星电机株式会社 | Vibration-generating device |
-
2017
- 2017-11-15 CN CN201711130821.7A patent/CN107750040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822704A (en) * | 2005-01-24 | 2006-08-23 | 株式会社西铁城电子 | Electromagnetism actuator |
| CN1855947A (en) * | 2005-04-19 | 2006-11-01 | 株式会社西铁城电子 | Electromagnetic actuator |
| CN101007305A (en) * | 2006-01-19 | 2007-08-01 | 株式会社西铁城电子 | Electromagnetic exciter |
| CN101150884A (en) * | 2006-06-06 | 2008-03-26 | 株式会社西铁城电子 | Electrodynamic exciter |
| JP2008048079A (en) * | 2006-08-11 | 2008-02-28 | Citizen Electronics Co Ltd | Electrodynamic exciter |
| CN102273228A (en) * | 2010-01-11 | 2011-12-07 | 宝星电子株式会社 | Multifunctional micro-speaker |
| CN102896084A (en) * | 2011-07-29 | 2013-01-30 | 三星电机株式会社 | Vibration-generating device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134381A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| WO2020134380A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| CN112243184A (en) * | 2019-07-17 | 2021-01-19 | 奥音科技（北京）有限公司 | Electromagnetic actuator and output device |
| CN112243184B (en) * | 2019-07-17 | 2022-05-17 | 奥音科技（镇江）有限公司 | Electromagnetic actuator and output device |
| US11341948B2 (en) | 2019-07-17 | 2022-05-24 | Sound Solutions International Co., Ltd. | Electromagnetic actuator with improved spring arrangement |
| US11948549B2 (en) | 2019-07-17 | 2024-04-02 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a display with improved spring arrangement and output device with said actuator |
| US11678123B2 (en) | 2020-05-20 | 2023-06-13 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a speaker or a sound transducer with a high-strength metal connection between the voice coil and the magnet system |
| US11838736B2 (en) | 2020-05-20 | 2023-12-05 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |
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| RJ01 | Rejection of invention patent application after publication |