CN104795851A - Wireless charging system and suspension system - Google Patents
Wireless charging system and suspension system Download PDFInfo
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- CN104795851A CN104795851A CN201410024801.1A CN201410024801A CN104795851A CN 104795851 A CN104795851 A CN 104795851A CN 201410024801 A CN201410024801 A CN 201410024801A CN 104795851 A CN104795851 A CN 104795851A
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- magnetic field
- mobile device
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- circuit board
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- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 31
- 230000005484 gravity Effects 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract 2
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005779 cell damage Effects 0.000 description 3
- 208000037887 cell injury Diseases 0.000 description 3
- 230000008713 feedback mechanism Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- H02J7/025—
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- H02J5/005—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a wireless charging system and a suspension system. The wireless charging system comprises a base and a mobile device. The base comprises a first circuit board and a first coil, wherein the first circuit board is electrically connected to a power supply terminal, and used for receiving a power supply and converting the power supply into charging current; and the coil is arranged on the first circuit board, and used for generating a first magnetic field according to the charging current. The mobile device comprises a mainboard, a second coil, a battery and an isolation device, wherein the mainboard is used for controlling operations of the mobile device; the second coil is arranged on the mainboard and used for generating induction current according to the first magnetic field; the battery is used for receiving the induction current; and the isolation device is arranged between the second coil and the battery so as to prevent the first magnetic field from interfering operations of the battery. According to the invention, a mobile phone can be controlled to suspend in an appropriate position for wireless charging so as to achieve the best charging efficiency and avoid the battery from being damaged.
Description
Technical field
The present invention relates to a kind of wireless charging system and suspension system, espespecially a kind ofly control wireless charging system and the suspension system that mobile device carries out wireless charging under suspended state.
Background technology
Along with the development of science and technology and the progress of industry, mobile phone has become part indispensable in people's life.Carry for the convenience of the users, mobile phone is all equipped with for storing the battery of electric power, electric power required during to provide running.But the electricity stored by battery is limited, before dead battery capability, user still must find the position of socket, and carries with charging wire, and to be powered by external power supply, therefore the convenience of mobile phone reduces.In addition, in order to external power supply, mobile phone is all equipped with charging inlet, but the mobile device of different label, its charging inlet specification is all not quite similar, and charging inlet not only have impact on the aesthetic feeling of outward appearance, and frequent plug also may cause mobile phone spoilage to improve.
Therefore, industry develops the technology of wireless charging, can must not charged by charging wire to mobile phone.But existing wireless charging mode cannot be put the difference of position for mobile phone and provide different charge powers, if when the position that mobile phone is put offsets, the reduction of charge efficiency may be caused, or charge power is excessive causes battery or other device breakdown.When putting mobile phone according to fixing mounting, the mobile phone of be also difficult to simultaneously to coincide various profile or different size.In view of this, real necessity having improvement of known technology.
Thus, need to provide a kind of wireless charging system and suspension system to solve the problems referred to above.
Summary of the invention
Therefore, namely main purpose of the present invention is that providing a kind of controls the charging system that mobile phone carries out wireless charging under suspended state, no matter be the mobile phone of various profile, all charge by wireless charging system of the present invention, and mobile phone can control in position by suspension system, to reach best charge efficiency, avoid cell damage simultaneously.
The present invention discloses a kind of wireless charging system, and this wireless charging system comprises: a base and a mobile device; This base comprises: a first circuit board, and this first circuit board is electrically connected at a power source supply end, is used for reception one power supply, and is a charging current by this Power convert; And one first coil, this first coil is arranged on this first circuit board, is used for according to this charging current, produces one first magnetic field; This mobile device comprises: a motherboard, and this motherboard is used for controlling the running of this mobile device; One second coil, this second coil is arranged on this motherboard, is used for, according to this first magnetic field, producing an induced current; One battery, this battery is used for receiving this induced current; And a barrier means, this barrier means is arranged between this second coil and this battery, to avoid the running of this this battery of the first magnetic interference.
The present invention also discloses a kind of suspension system, and this suspension system is used for a wireless charging system, and this suspension system comprises: a base and a mobile device; This base comprises: a first circuit board, and this first circuit board is electrically connected at a power source supply end, is used for reception one power supply; One rectifier, this rectifier is arranged on this first circuit board, and being used for this Power convert is a direct current; And a coil, this coil is arranged on this first circuit board, is used for according to this direct current, produces one first magnetic field; This mobile device comprises: one first magnet, and this first magnet is arranged at a first end of this mobile device, and the magnetic of this first magnet is contrary with the magnetic in this first magnetic field; Wherein, this first magnet is near this coil, this first magnet is attracted each other by this first magnetic field and this coil, and a magnetic attraction size of this this first magnet of the first magnetic field suction is substantially equal to the gravity size suffered by this mobile device, this magnetic attraction and with this gravity reversal, this mobile device is suspended in this base.
The present invention can control mobile phone and carry out wireless charging under suspended state, and mobile phone can suspend in position, to reach best charge efficiency, avoids cell damage simultaneously.
Accompanying drawing explanation
Figure 1A and Figure 1B is the schematic diagram of a wireless charging system of the embodiment of the present invention.
Fig. 2 is the detailed maps of the rear end of wireless charging system.
Fig. 3 is the detailed maps of the upper end of wireless charging system.
Fig. 4 is the detailed maps of the lower end of wireless charging system.
Fig. 5 is the schematic diagram of another wireless charging system of the embodiment of the present invention.
Primary clustering symbol description:
10 wireless charging systems
100 bases
110 mobile devices
102,112 coils
202 circuit boards
204 motherboards
206 batteries
208 barrier means
302 circuit boards
304 coils
306 magnet
402 magnet
404 circuit boards
406 magnetic field induction devices
50 wireless charging systems
500 bases
502,504 bulge-structures
510 mobile devices
M1 ~ M3 magnetic field
Embodiment
Please refer to Figure 1A and Figure 1B, Figure 1A and Figure 1B is respectively front and the side profile schematic diagram of a wireless charging system 10 of the embodiment of the present invention.As shown in Figure 1A, wireless charging system 10 includes base 100 and a mobile device 110.Base 100 comprises a coil 102, and mobile device 110 comprises a coil 112.Mobile device 110 can be suspended in base 100, and charged by the magnetic field induction between coil 102 and coil 112, details are as follows.
Please refer to Fig. 2, Fig. 2 is the detailed maps of the rear end of wireless charging system 10.As shown in Figure 2, in base 100, coil 102 is arranged on a circuit board 202, circuit board 202 is positioned at the rear end of base 100, it can be a printed circuit board (PCB) (Printed Circuit Board, PCB) or soft printed circuit board (Flexible Printed Circuit Board, FPC), bearer circuit is used for.Circuit board 202 is electrically connected at an external power source feed end, can receive the power supply coming from power source supply end, and is a charging current by Power convert, and coil 102 produces a magnetic field M1 by the change of charging current.Mobile device 110 comprises motherboard 204 and a battery 206.Motherboard 204 can be used to the every running controlling mobile device 110.Battery 206 can be used to store electric power, and when mobile device 110 non-external power supply, provides the electric power required for mobile device 110.Coil 112 is arranged on motherboard 204, and when coil 112 receives the magnetic field M1 that coil 102 produces, can produce an induced current according to the change of magnetic field M1, induced current is charged by motherboard 204 pairs of batteries 206 again.
It should be noted that, the electromagnetic induction of coil 102 and coil 112 can affect the electric current of battery 206 inside, therefore, operate for avoiding the discharge and recharge of battery 206 and be subject to coil interference, a barrier means 208 can be set between coil 112 and battery 206, the magnetic field of dispersing with isolated coil 102 and coil 112.Barrier means 208 comprises the device in any maskable magnetic field, preferably, can use ferrite in barrier means 208, to reach preferably shield effectiveness.
At wireless charging system 10, mobile device 110 should be placed in fixing position, and coil 112 should drop in suitable scope with the distance of coil 102, to reach best charging effect.As shown in Figure 1A, Figure 1B, mobile device 110 is positioned at the central authorities of base 100, and the front of the front of mobile device 110 and base 100 is equidirectional, the coil 112 at mobile device 110 back side can be coupled, to produce induced current with the coil 102 at base 100 rear.If when mobile device 110 is placed in the position of base 100 side to the rear, coil 112 is too close with coil 102, and in the case, coil 112 can produce larger induced current, if induced current exceed mobile device 110 can the electric current of load time, the damage of battery 206 or other assemblies may be caused.In addition, if when mobile device 110 is placed in the position of base 100 side to the front or is partial to left side or right side, coil 112 is distant with coil 102, in the case, the induced current that coil 112 produces is less, thus reduces charge efficiency.
Please refer to Fig. 3, Fig. 3 is the detailed maps of the upper end of wireless charging system 10.As shown in Figure 3, base 100 also comprises circuit board 302 and a coil 304.Circuit board 202 is positioned at the upper end of base 100, and it can be a printed circuit board (PCB) or soft printed circuit board, is used for bearer circuit.Circuit board 302 is electrically connected at outside power source supply end, can receive the power supply coming from power source supply end.Circuit board 302 is also provided with rectifier and electric capacity (not illustrating), is used for external power source to be converted to direct current.Coil 304 is arranged on circuit board 302, can produce a magnetic field M2 according to direct current.On the other hand, mobile device 110 also comprises a magnet 306, is arranged at the upper end of mobile device 110.If during for positioning mobile device 110, coil 304 can be arranged at suitable position by user, and the magnetic of controlling magnetic field M2 is contrary with the magnetic of magnet 306, to produce the effect that there is a natural attraction between the sexes.Thus, when magnet 306 is near coil 304, magnet 306 attracts each other by magnetic field M2 and coil 304, mobile device 110 is suspended in base 100, and is positioned at the position below coil 304, to reach best charge efficiency.
Preferably, also must locate below mobile device 110, to guarantee that coil 112 and battery 206 are positioned at suitable position, to carry out magnetic field induction smoothly, avoid interference the running of battery 206 simultaneously.Please refer to Fig. 4, Fig. 4 is the detailed maps of the lower end of wireless charging system 10.As shown in Figure 4, mobile device 110 also comprises a magnet 402.Base 100 also comprises circuit board 404 and a magnetic field induction device 406.Magnet 402 is arranged at the lower end of mobile device 110, can be used to generation one magnetic field M3.Circuit board 404 is positioned at the lower end of base 100, and it can be a printed circuit board (PCB) or soft printed circuit board, is used for bearer circuit.Magnetic field induction device 406 is arranged on circuit board 404, can be used to the magnetic field M3 that induced magnet 402 produces.Magnetic field induction device 406 can comprise a hall sensor (Hall Effect Sensor), is used for according to the change generation current in magnetic field or voltage.Preferably, magnetic field induction device 406 can be arranged on (i.e. acceleration of gravity direction) immediately below mobile device 110 putting position, and in the case, when mobile device 110 is positioned in base 100, magnetic field induction device 406 can be positioned at immediately below magnet.Magnetic field induction device 406 according to the intensity of magnetic field M3, can carry out galvanic size in Circuit tuning plate 302 by a feedback device (not illustrating), and then the intensity of adjustment magnetic field M2, to change the magnetic attraction of magnetic field M2 to mobile device 110.For example, if when mobile device 110 is for whereabouts and close to magnetic field induction device 406, magnetic field induction device 406 senses that magnetic field M3 strengthens, and promote the direct current size in circuit board 302 by feedback device, and then promote the intensity of magnetic field M2, magnetic field M2 is strengthened the attraction of mobile device 110, falls to avoid mobile device 110.If magnetic field M2 is too strong to the magnetic attraction of mobile device 110, make mobile device 110 for rise and away from magnetic field induction device 406 time, magnetic field induction device 406 senses that magnetic field M3 weakens, and reduce the direct current size in circuit board 302 by feedback device, and then reduce the intensity of magnetic field M2, the magnetic attraction of magnetic field M2 to mobile device 110 is weakened, rises to avoid mobile device 110.Ideally, magnetic field M2 can equal the gravity suffered by mobile device 110 just to the magnetic attraction of mobile device 110, magnetic attraction and and gravity reversal, be suspended in base 100 to control mobile device 110.
It should be noted that, by above-mentioned feedback mechanism, only need place magnet or other magnetic devices at the ad-hoc location of mobile device 110, base 100 can control mobile device 110 by magnetic attraction and be suspended in base 100, then carries out wireless charging by the electromagnetic induction of coil 102.The magnetic attraction produced due to base 100 can adjust according to gravity size suffered by mobile device 110, and therefore the mobile device 110 of Different Weight and different label all can use same base 100 to charge, and does not need the specification being limited to charging wire.On the other hand, after base 100 put into by mobile device 110, the magnetic field induction device 406 in base 100 senses that the magnetic force of magnet 402 just can start feedback mechanism, and magnet 306 also just must can be subject to magnetic attraction attraction close to coil 304.Therefore, when user is for using wireless charging system of the present invention to charge, should guarantee that mobile device 110 does not depart from tram excessively far away, to guarantee that magnetic field induction device 406 and coil 304 can correctly operate.
For example, please refer to Fig. 5, Fig. 5 is the schematic diagram of a wireless charging system 50 of the embodiment of the present invention.As shown in Figure 5, wireless charging system 50 comprises base 500 and a mobile device 510.The framework of base 500 and mobile device 510 is similar to base 100 and mobile device 110 respectively, and its main difference is, base 500 also comprises bulge-structure 502 and 504, is arranged at upper end and the lower end of base 500 respectively.Its relief structure 502 is positioned at coil 304 placement, and with the position indicating mobile device 110 upper end to place, and bulge-structure 504 is positioned at magnetic field induction device 406 placement, with the position indicating mobile device 110 lower end to place.Mobile device 110 according to the position of bulge-structure 502 and 504, can be positioned over suitable position, to start the feedback mechanism of magnetic field induction and magnetic attraction smoothly by user.
It should be noted that the present invention can be used to carry out wireless charging to various mobile device, and by suspension system, mobile device is controlled in position, to reach best charge efficiency, avoid the assembly of mobile device to damage simultaneously.Those of ordinary skill in the art should carry out modifying or changing according to this, and is not limited thereto.For example, in the above-described embodiments, mobile device 110 illustrates as mobile phone, but in other embodiments, the mobile device (as flat computer, personal digital assistant, notebook computer etc.) of other types all can use mode of the present invention to carry out suspending and wireless charging, and the mobile device size that the shape of base 100 and size all can be arranged in pairs or groups corresponding to it, carry out the adjustment of appropriateness.In addition, above-mentioned feedback device can be arranged on circuit board 302 or circuit board 404, or is separately set in base 100, and is not limited thereto.On the other hand, above-mentioned bulge-structure is used to refer to the position that mobile device should be placed, and in other embodiments, the instruction of putting position is also provided by other modes, as groove, color, pattern and arrow etc., a scope maybe can be provided, as long as mobile device is placed in particular range by user, suspension system can carry out suspend control to mobile device, and carries out wireless charging.
In known technology, wireless charging mode cannot be put the difference of position for mobile phone and provide different charge powers, if when the position that mobile phone is put offsets, the reduction of charge efficiency may be caused, or charge power is excessive causes battery or other device breakdown.When putting mobile phone according to fixing mounting, the mobile phone of be also difficult to simultaneously to coincide various profile or different size.By contrast, wireless charging system of the present invention and suspension system can control mobile phone and carry out wireless charging under suspended state, and mobile phone can suspend in position, to reach best charge efficiency, avoid cell damage simultaneously.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of claims of the present invention and modification, all should belong to covering scope of the present invention.
Claims (20)
1. a wireless charging system, this wireless charging system comprises:
One base, this base comprises:
One first circuit board, this first circuit board is electrically connected at a power source supply end, is used for reception one power supply, and is a charging current by this Power convert; And
One first coil, this first coil is arranged on this first circuit board, is used for according to this charging current, produces one first magnetic field; And
One mobile device, this mobile device comprises:
One motherboard, this motherboard is used for controlling the running of this mobile device;
One second coil, this second coil is arranged on this motherboard, is used for, according to this first magnetic field, producing an induced current;
One battery, this battery is used for receiving this induced current; And
One barrier means, this barrier means is arranged between this second coil and this battery, to avoid the running of this this battery of the first magnetic interference.
2. wireless charging system as claimed in claim 1, wherein this barrier means comprises a ferrite, is used for this second coil isolated and this battery.
3. wireless charging system as claimed in claim 1, wherein this base also comprises:
One second circuit board, this second circuit board is electrically connected at this power source supply end, is used for receiving this power supply;
One rectifier, this rectifier is arranged on this second circuit board, and being used for this Power convert is a direct current; And
One tertiary coil, this tertiary coil is arranged on this second circuit board, is used for according to this direct current, produces one second magnetic field.
4. wireless charging system as claimed in claim 3, wherein this mobile device also comprises one first magnet, and this first magnet is arranged at a first end of this mobile device, and the magnetic of this first magnet is contrary with the magnetic in this second magnetic field.
5. wireless charging system as claimed in claim 4, wherein this first magnet is near this tertiary coil, this first magnet is attracted each other by this second magnetic field and this tertiary coil, and a magnetic attraction size of this this first magnet of the second magnetic field suction is substantially equal to the gravity size suffered by this mobile device, this magnetic attraction and with this gravity reversal, this mobile device is suspended in this base.
6. wireless charging system as claimed in claim 3, wherein this mobile device also comprises one second magnet, and this second magnet is arranged at one second end of this mobile device.
7. wireless charging system as claimed in claim 6, wherein this base also comprises:
One tertiary circuit plate, this tertiary circuit plate comprises a magnetic field induction device, is used for detecting one the 3rd magnetic field that this second magnet produces.
8. wireless charging system as claimed in claim 7, wherein this magnetic field induction device comprises a hall sensor.
9. wireless charging system as claimed in claim 7, also comprise a feedback device, this feedback device is used for, according to the intensity in the 3rd magnetic field, adjusting this galvanic size of current, to change the intensity in this second magnetic field.
10. wireless charging system as claimed in claim 1, wherein this base also comprises at least one bulge-structure, is used to refer to the position that this mobile device is put.
11. 1 kinds of suspension systems, this suspension system is used for a wireless charging system, and this suspension system comprises:
One base, this base comprises:
One first circuit board, this first circuit board is electrically connected at a power source supply end, is used for reception one power supply;
One rectifier, this rectifier is arranged on this first circuit board, and being used for this Power convert is a direct current; And
One coil, this coil is arranged on this first circuit board, is used for according to this direct current, produces one first magnetic field; And
One mobile device, this mobile device comprises:
One first magnet, this first magnet is arranged at a first end of this mobile device, and the magnetic of this first magnet is contrary with the magnetic in this first magnetic field;
Wherein, this first magnet is near this coil, this first magnet is attracted each other by this first magnetic field and this coil, and a magnetic attraction size of this this first magnet of the first magnetic field suction is substantially equal to the gravity size suffered by this mobile device, this magnetic attraction and with this gravity reversal, this mobile device is suspended in this base.
12. suspension systems as claimed in claim 11, wherein this mobile device also comprises one second magnet, and this second magnet is arranged at one second end of this mobile device.
13. suspension systems as claimed in claim 12, wherein this base also comprises:
One second circuit board, this second circuit board comprises a magnetic field induction device, is used for detecting one second magnetic field that this second magnet produces.
14. suspension systems as claimed in claim 13, wherein this magnetic field induction device comprises a hall sensor.
15. suspension systems as claimed in claim 13, wherein this magnetic field induction device is positioned at an acceleration of gravity direction of this mobile device putting position.
16. suspension systems as claimed in claim 13, also comprise a feedback device, and this feedback device is used for, according to the intensity in this second magnetic field, adjusting this galvanic size of current, to change the intensity in this first magnetic field.
17. suspension systems as claimed in claim 16, wherein when this second magnet is for during close to this magnetic field induction device, this second magnetic field intensity detected by this magnetic field induction device rises, this feedback device is made to promote this galvanic size of current, to improve this magnetic attraction of this this first magnet of the first magnetic field suction, avoid this second magnet close to this magnetic field induction device.
18. suspension systems as claimed in claim 16, wherein when this second magnet is for during away from this magnetic field induction device, this second magnetic field intensity detected by this magnetic field induction device declines, this feedback device is made to reduce this galvanic size of current, to reduce this magnetic attraction of this this first magnet of the first magnetic field suction, avoid this second magnet away from this magnetic field induction device.
19. suspension systems as claimed in claim 13, wherein this second circuit board and this magnetic field induction device are used for fixing the position of this mobile device, to carry out wireless charging to this mobile device.
20. suspension systems as claimed in claim 11, wherein this base also comprises at least one bulge-structure, is used to refer to the position that this mobile device is put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024801.1A CN104795851A (en) | 2014-01-20 | 2014-01-20 | Wireless charging system and suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024801.1A CN104795851A (en) | 2014-01-20 | 2014-01-20 | Wireless charging system and suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104795851A true CN104795851A (en) | 2015-07-22 |
Family
ID=53560464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410024801.1A Pending CN104795851A (en) | 2014-01-20 | 2014-01-20 | Wireless charging system and suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104795851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107541A1 (en) * | 2016-12-16 | 2018-06-21 | 上海摩软通讯技术有限公司 | Mobile terminal suspension device and system |
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| CN202268750U (en) * | 2011-09-14 | 2012-06-06 | 杰丞国际有限公司 | Magnetic force induction apparatus |
| CN202840694U (en) * | 2012-05-03 | 2013-03-27 | 富达通科技股份有限公司 | Inductive power supply with heat radiation effects |
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2014
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| US5732636A (en) * | 1996-06-05 | 1998-03-31 | National Science Council | Magnetic levitation system |
| CN2761963Y (en) * | 2005-01-10 | 2006-03-01 | 东莞市纬和塑胶制品有限公司 | Magnetic suspension lamp |
| CN1996711A (en) * | 2006-12-08 | 2007-07-11 | 广州电器科学研究院 | Inductive coupled wireless power transfer device |
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| WO2018107541A1 (en) * | 2016-12-16 | 2018-06-21 | 上海摩软通讯技术有限公司 | Mobile terminal suspension device and system |
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Application publication date: 20150722 |
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