CN111952713A - Wireless charging and communication assembly and wireless charging and communication device using same - Google Patents
Wireless charging and communication assembly and wireless charging and communication device using same Download PDFInfo
- Publication number
- CN111952713A CN111952713A CN202010636835.1A CN202010636835A CN111952713A CN 111952713 A CN111952713 A CN 111952713A CN 202010636835 A CN202010636835 A CN 202010636835A CN 111952713 A CN111952713 A CN 111952713A
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- wireless charging
- circuit board
- coil
- millimeter wave
- communication assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
Abstract
The invention discloses a wireless charging and communication assembly and a wireless charging and communication device applying the same, wherein the wireless charging and communication assembly comprises a first circuit board, a second circuit board and a wireless charging coil, wherein the first circuit board comprises a mainboard, a wireless charging coil and a millimeter wave antenna, the wireless charging coil is arranged on the mainboard in a surrounding manner; the wireless charging coil is used for receiving charging current and generating a first charging magnetic field or receiving a second charging magnetic field and generating induction current, and the millimeter wave antenna is used for receiving and/or transmitting millimeter wave signals. Through the mode, the wireless charging and millimeter wave communication can be realized through one board, so that the cost can be reduced, and the volume can be saved.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a wireless charging and communication module and a wireless charging and communication device using the same.
Background
The existing communication signals such as 5G signals have shorter wavelength and higher frequency than 4G signals, and the 5G signals have shorter wavelength, so that they have larger loss when passing through obstacles such as walls or glass, and therefore it is necessary to provide a communication device for enhancing the indoor and outdoor communication effect, wherein the communication device includes indoor components and outdoor components.
In the prior art, because the connection power supply of the outdoor assembly is difficult, the external wireless charging assembly is generally adopted on the indoor assembly and the outdoor assembly, so that the outdoor wireless charging is performed indoors, but the weight of the whole outdoor assembly and the indoor assembly is increased, the product is thick and heavy, and the outdoor wireless charging assembly cannot be well installed on barriers such as walls or glass.
Disclosure of Invention
The invention provides a wireless charging and communication assembly and a wireless charging and communication device using the same, and aims to solve the problem that in the prior art, a wireless charging assembly is externally hung on a communication device to cause a heavier product.
In order to solve the technical problems, the invention adopts a technical scheme that: providing a wireless charging and communication assembly, wherein the wireless charging and communication assembly comprises a first circuit board, the first circuit board comprises a mainboard, a wireless charging coil and a millimeter wave antenna, the wireless charging coil and the millimeter wave antenna are arranged on the mainboard, and the wireless charging coil is arranged around the millimeter wave antenna; the wireless charging coil is used for receiving a charging current and generating a first charging magnetic field or receiving a second charging magnetic field and generating induction current, and the millimeter wave antenna is used for receiving and/or transmitting millimeter wave signals.
According to an embodiment of the invention, the wireless charging coil comprises a first coil disposed around the millimeter wave antenna and a second coil disposed around the millimeter wave antenna.
According to an embodiment of the present invention, the first coil includes a plurality of first loops connected in sequence, the second coil includes a plurality of second loops connected in sequence, the plurality of second loops correspond to the plurality of first loops one to one, and at least one intersection point exists between the first loops and the corresponding second loops.
According to an embodiment of the present invention, the first charging magnetic field and the second charging magnetic field are magnetic resonance magnetic fields.
According to an embodiment of the present invention, the wireless charging and communication assembly further includes a second circuit board, the second circuit board is disposed on a side of the first circuit board away from the wireless charging coil, and the second circuit board is disposed opposite to the first circuit board and connected to the first circuit board through a connection line.
According to an embodiment provided by the present invention, a power supply control circuit and a signal control circuit are disposed on the second circuit board, the connection line includes a current line and a signal line, the power supply control circuit is electrically connected to the wireless charging coil through the current line, and the signal control circuit is in communication connection with the millimeter wave antenna through the signal line.
According to an embodiment of the present invention, the first circuit board is further provided with a through hole, and the signal line is disposed through the through hole.
According to an embodiment of the present invention, a magnetic shielding layer is disposed in the first circuit board and the second circuit board.
According to an embodiment of the present invention, the magnetic shielding layer is attached to a side of the first circuit board facing the second circuit board.
In order to solve the technical problems, the invention adopts a technical scheme that: a wireless charging and communication device is provided, comprising any of the above-described wireless charging and communication assemblies.
Has the advantages that: be different from prior art, through providing a wireless charging and communication assembly and use its wireless charging and communication device, this wireless charging and communication assembly includes first circuit board, this first circuit board includes the mainboard and sets up wireless charging coil and millimeter wave antenna on the mainboard, wherein wireless charging coil can be used for receiving charging current and generate first charging magnetic field or be used for receiving the second charging magnetic field and generate induced-current, millimeter wave antenna then can be used for receiving and/or sending millimeter wave signal, can realize wireless charging and millimeter wave receiving and dispatching's function promptly on same first circuit board, and optional, utilize the cyclic annular that wireless charging coil itself just has, set up the millimeter wave antenna in middle zone, can effectually save the area occupied on first circuit board, and do benefit to save the cost. Optionally, because the area of the first circuit board can determine the wireless charging and communication assembly using the first circuit board, the wireless charging and communication assembly provided by the application can effectively reduce the whole volume and weight, so that the application scene of the whole wireless charging and communication assembly can be enlarged, and the wireless charging and communication assembly can be better arranged on various obstacles.
Drawings
Fig. 1 is a schematic front view of a wireless charging and communication assembly according to a first embodiment of the present invention;
FIG. 2 is a schematic side view of a wireless charging and communication assembly according to a second embodiment of the present invention;
fig. 3 is a schematic front view of an embodiment of the crossing of a first loop and a second loop in the wireless charging coil of fig. 1;
fig. 4 is a schematic front view of another embodiment of the crossing of a first loop and a second loop in the wireless charging coil of fig. 1;
FIG. 5 is a schematic front view of another embodiment of the crossing of the first loop and the second loop provided by the present invention;
fig. 6 is a schematic front view of the first circuit board shown in fig. 2 from the side of the magnetic shield layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a wireless charging assembly 10, the wireless charging and communication assembly 10 includes a first circuit board 100, the first circuit board 100 includes a main board 200, and a wireless charging coil 300 and a millimeter wave antenna 400 disposed on the main board, the wireless charging coil 300 is disposed around the millimeter wave antenna 400, that is, the wireless charging coil 300 is a ring shape, and the millimeter wave antenna 400 is located in a middle region of the wireless charging coil 300.
In alternative embodiments, the wireless charging coil 300 may be used to receive a charging current and generate a first charging magnetic field or to receive a second charging magnetic field and generate an inductive current.
In an optional scenario, the wireless charging and communication assembly 10 may provide a charging current to the wireless charging coil 300, and form a first charging magnetic field through the wireless charging coil 300, and optionally, the first charging electromagnetic field is an electromagnetic field, and the other wireless charging coils 300 may receive the first charging magnetic field and generate an induced current.
In another optional scenario, the wireless charging coil 300 may receive a second charging magnetic field provided by another wireless charging coil 300, generate an induced current through the second charging magnetic field, and charge the wireless charging and communication assembly 10 by using the induced current. Or supplies power to millimeter-wave antenna 400 using the induced current to operate millimeter-wave antenna 400.
Optionally, the millimeter-wave antenna 400 may be used to receive and/or transmit millimeter-wave signals. Optionally, the millimeter wave antenna 400 may also perform gain on the millimeter wave information when sending the millimeter wave signal, so as to enhance the sending effect of the millimeter wave signal.
Optionally, the first charging magnetic field and the second charging magnetic field may be electromagnetic fields, and the frequency band of the electromagnetic fields is between 10MHz and 16MHz, specifically 10MHz, 13.56MHz, or 16MHz, and the like, which is not limited herein. The frequency band of the millimeter wave signal is between 26.5GHz and 300 GHz.
Optionally, since the frequencies of the first charging magnetic field and the second charging magnetic field of the wireless charging coil 300 are generally in the middle-low frequency band (10MHz and 16MHz), and the communication signals are generally in the high frequency band (26.5GHz and 300GHz), which have a difference in magnitude, the mutual interference is small.
In the above embodiment, by providing a wireless charging and communication assembly 10, the wireless charging and communication assembly 10 includes a first circuit board 100, the first circuit board includes a main board 200, and a wireless charging coil 300 and a millimeter wave antenna 400 disposed on the main board 200, wherein the wireless charging coil 300 may be used to receive a charging current and generate a first charging magnetic field or be used to receive a second charging magnetic field and generate an induced current, and the millimeter wave antenna 400 may be used to receive and/or transmit a millimeter wave signal, that is, the wireless charging and millimeter wave transceiving functions may be implemented on the same first circuit board 100, and optionally, the millimeter wave antenna 400 may be disposed in a middle area by using a ring shape of the wireless charging coil 300 itself, so that an occupied area on the first circuit board 100 may be effectively saved, and cost saving is facilitated. Optionally, since the area of the first circuit board 100 may determine the wireless charging and communication module 10 using the first circuit board 100, the wireless charging and communication module 10 provided by the present application may effectively reduce the whole volume and weight, so as to expand the application scenario of the whole wireless charging and communication module 10, and enable the wireless charging and communication module 10 to be better disposed on various obstacles.
As shown in fig. 1, wireless charging coil 300 includes a first coil 310 disposed around millimeter-wave antenna 400 and a second coil 320 disposed around millimeter-wave antenna 400. As shown in fig. 1 and 3, the first coil 310 includes a plurality of first loops 311 connected in sequence, the second coil 320 includes a plurality of second loops 321 connected in sequence, the plurality of second loops 321 and the plurality of first loops 311 are in one-to-one correspondence, that is, each second loop 321 has a corresponding first loop 311, and at least one intersection point exists between the first loop 311 and the corresponding second loop 321. And optionally, the intersection of the first loop 311 and the corresponding second loop 321 is not electrically connected, but only crossed by a wiring.
In this application, to clarify the orientation of the first coil 310 and the second coil 320, the first coil 310 is represented by a dotted line, and the second coil 320 is represented by a solid line, it should be understood that the first coil 310 is represented by a dotted line, but is a continuous trace in an actual product.
Optionally, the first loop 311 and the second loop 321 are non-closed loops.
As shown in fig. 3 and 4, a square coil is taken as an example:
as shown in fig. 3, the first ring 311 includes a first outer ring section 312, a first connecting section 313 and a first inner ring section 314 connected in sequence, the radial length of the first inner ring section 314 is smaller than that of the first outer ring section 312, correspondingly, the second ring 321 includes a second outer ring section 322, a second connecting section 323 and a second inner ring section 324 connected in sequence, and the radial length of the second inner ring section 324 is smaller than that of the second outer ring section 322. And optionally, in the first ring 311 and the corresponding second ring 321, the radial lengths of the first outer ring section 312 and the second outer ring section 322 are the same. The first inner ring section 314 and the second inner ring section 324 have the same radial length, and the first connecting section 313 and the second connecting section 323 are arranged crosswise, i.e. there is a crossing point.
As shown in fig. 4, the first loop 311 includes a third outer loop section 315, a third connecting section 316, a fourth outer loop section 317, a fourth connecting section 318, and a third inner loop section 319, which are connected in sequence. The radial length of the fourth outer ring segment 317 is greater than the radial length of the third inner ring segment 319 and the radial length of the fourth outer ring segment 316 is less than the radial length of the third outer ring segment 315. The second ring 321 includes a fifth outer ring section 325, a fifth connecting section 326, a sixth outer ring section 327, a sixth connecting section 328, and a fourth inner ring section 329 connected in sequence. The radial length of the sixth outer ring section 327 is greater than the radial length of the fourth inner ring section 329, and the radial length of the fourth inner ring section 329 is less than the radial length of the fifth outer ring section 325.
And optionally, in the first ring 311 and the corresponding second ring 321, the radial length of the third outer ring section 315 is the same as that of the fifth outer ring section 325, the radial length of the fourth outer ring section 316 is the same as that of the sixth outer ring section 326, and the radial length of the third inner ring section 318 is the same as that of the fourth inner ring section 328. The third connecting section 316 intersects the fifth connecting section 326, and the fourth connecting section 317 intersects the sixth connecting section 327. I.e. there are two intersections.
Optionally, taking the first outer ring section 312 as an example, the radial length of the first outer ring section 312 may be the length or the width of the rectangle in which the first outer ring section 312 is located, or the diagonal length of the rectangle in which the first outer ring section 312 is located.
As shown in fig. 5, the first ring 311 and the second ring 321 may also be circular-like rings, for example, the first outer ring section 312 and the first inner ring section 314 in the first ring 311 may be arc-shaped, and the radius of the circle where the first outer ring section 312 is located is greater than the radius of the circle where the first inner ring section 314 is located, and similarly, the radius of the circle where the second outer ring section 322 in the second ring 321 is located is greater than the radius of the circle where the second inner ring section 324 is located.
Optionally, the first coil 310 includes an inner end and an outer end, and the inner end and the outer end of the first coil 310 are connected to form a first port of the whole wireless charging coil 300, the second coil 320 includes an inner end and an outer end, and the inner end and the outer end of the second coil 320 are connected to form a second port of the wireless charging coil 300. The first port and the second port are respectively connected with the anode and the cathode of the power circuit.
In the above embodiment, by forming the wireless charging coil 300 from the first coil 310 and the second coil 320, resistance reduction is facilitated, so that current loss in the wireless charging coil 300 can be reduced, heat generation is reduced, heat generation of the whole wireless charging coil 300 is kept at a low level, and heat dissipation requirements are reduced.
In an alternative embodiment, the first charging magnetic field and the second charging magnetic field are magnetic resonance magnetic fields. I.e. wireless charging can be achieved by means of magnetic resonance.
As shown in fig. 2, the wireless charging and communication assembly 10 further includes a second circuit board 500, the second circuit board 500 is disposed on a side of the first circuit board 100 away from the wireless charging coil 300, and the second circuit board 500 is disposed opposite to the first circuit board 100 and connected to the first circuit board 100 through a connecting wire 510.
Optionally, a power supply control circuit (not shown) and a signal control circuit (not shown) are disposed on the second circuit board 500, the connection line 510 includes a current line 511 and a signal line 512, the power supply control circuit is electrically connected to the wireless charging coil 300 through the current line 511, the signal control circuit is connected to the millimeter wave antenna 400 through the signal line 512, optionally, the power supply control circuit may further be connected to a power circuit (not shown) of the wireless charging and communication assembly 10, and control the power circuit to supply power to the wireless charging coil 300, so that the wireless charging coil 300 generates a first charging magnetic field to charge other wireless charging coils 300. Or controlling the wireless charging coil 300 to receive the second charging magnetic field provided by other wireless charging coils 300 and generate induction current to charge the power circuit or supply power to the millimeter wave antenna 400. The signal control circuit may be configured to control millimeter-wave antenna 400 to transmit or receive millimeter-wave signals.
As shown in fig. 2 and 6, the first circuit board 100 is further provided with a through hole 110, and the signal line 512 may be disposed through the through hole 110, optionally, since the wireless charging coil 300 is disposed around the millimeter wave antenna 400, the signal line 512 of the millimeter wave antenna 400 is directly led out through the through hole 110, and does not need to pass through the wireless charging coil 300, which may reduce the difficulty in wiring and reduce the interference of the wireless charging coil 300 to the signal line 512.
As shown in fig. 2 and 6, a magnetic shielding layer 120 is further disposed between the first circuit board 100 and the second circuit board 500, and the magnetic shielding layer 120 may be specifically used for shielding the first charging magnetic field generated by the wireless charging coil 300 or the second charging magnetic field transmitted by the other wireless charging coil 300, so as to prevent the first charging magnetic field or the second charging magnetic field from generating an eddy current effect on the second circuit board 500.
Optionally, the magnetic shielding layer 120 is attached to a side of the first circuit board 100 facing the second circuit board 500. Optionally, the orthographic projection of the first circuit board 100 on the magnetic shielding layer 120 is located in the magnetic shielding layer 120, that is, the whole does not exceed the magnetic shielding layer 120, the orthographic projection of the second circuit board 500 on the magnetic shielding layer 120 is also located in the magnetic shielding layer 120, and optionally, the orthographic projection of the second circuit board 500 on the magnetic shielding layer 120 is smaller than or equal to the orthographic projection of the first circuit board 100 on the magnetic shielding layer 120. Thereby, it can be ensured that the first charging magnetic field or the second charging magnetic field transmitted from the first circuit board 100 affects the second circuit board 500.
In an optional scenario, the wireless charging and communication assembly 10 further includes a heat dissipation assembly (not shown), which may be used to dissipate heat of the first circuit board 100 and the second circuit board 500.
The present application further provides a wireless charging and communication device, which includes the wireless charging and communication assembly 10 described in any of the above embodiments.
In an optional scenario, the wireless charging and communication assembly 10 includes two wireless charging and communication assemblies 10, one of the wireless charging and communication assemblies 10 may be disposed indoors, and specifically may be fixed on an indoor wall surface, and the other wireless charging and communication assembly 10 may be disposed outdoors and fixed on an outdoor wall surface, and is disposed opposite to the indoor wireless charging and communication assembly 10. The wireless charging coil 300 of the indoor wireless charging and communication assembly 10 is used for receiving a charging current and generating a charging magnetic field, the wireless charging coil 300 of the outdoor wireless charging and communication assembly 10 then receives the charging magnetic field and generates an induction current to supply power to the whole outdoor wireless charging and communication assembly 10, the millimeter wave antenna 400 of the outdoor wireless charging and communication assembly 10 then sends a millimeter wave signal, and the millimeter wave antenna 400 of the indoor wireless charging and communication assembly 10 then receives the millimeter wave signal.
In summary, the wireless charging and communication assembly and the wireless charging and communication device using the same provided by the invention, the wireless charging and communication assembly 10 comprises a first circuit board 100, which comprises a main board 200, a wireless charging coil 300 and a millimeter wave antenna 400 disposed on the main board 200, wherein the wireless charging coil 300 may be used to receive a charging current and generate a first charging magnetic field or to receive a second charging magnetic field and generate an induction current, the millimeter wave antenna 400 may be used to receive and/or transmit millimeter wave signals, that is, the functions of wireless charging and millimeter wave transceiving can be realized on the same first circuit board 100, and, optionally, by using a loop shape that the wireless charging coil 300 itself has, the millimeter wave antenna 400 is disposed in the middle area, the occupied area on the first circuit board 100 can be effectively saved, and the cost can be saved. Optionally, since the area of the first circuit board 100 may determine the wireless charging and communication module 10 using the first circuit board 100, the wireless charging and communication module 10 provided by the present application may effectively reduce the whole volume and weight, so as to expand the application scenario of the whole wireless charging and communication module 10, and enable the wireless charging and communication module 10 to be better disposed on various obstacles. And further, by disposing the magnetic shielding layer 120 between the first circuit board 100 and the second circuit board 500, the influence of the magnetic field on the second circuit board 500 can be effectively reduced to prevent the out-line eddy current effect on the second circuit board 500.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent results or equivalent flow transformations performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A wireless charging and communication assembly is characterized by comprising a first circuit board, wherein the first circuit board comprises a mainboard, a wireless charging coil and a millimeter wave antenna, the wireless charging coil and the millimeter wave antenna are arranged on the mainboard, and the wireless charging coil is arranged around the millimeter wave antenna;
the wireless charging coil is used for receiving a charging current and generating a first charging magnetic field or receiving a second charging magnetic field and generating induction current, and the millimeter wave antenna is used for receiving and/or transmitting millimeter wave signals.
2. The wireless charging and communication assembly of claim 1, wherein the wireless charging coil comprises a first coil disposed about the millimeter-wave antenna and a second coil disposed about the millimeter-wave antenna.
3. The wireless charging and communication assembly of claim 2, wherein the first coil comprises a plurality of sequentially connected first loops, the second coil comprises a plurality of sequentially connected second loops, the plurality of second loops are in one-to-one correspondence with the plurality of first loops, and at least one intersection point exists between the first loops and the corresponding second loops.
4. The wireless charging and communication assembly of claim 1, wherein the first charging magnetic field and the second charging magnetic field are magnetic resonance magnetic fields.
5. The wireless charging and communication assembly of claim 1, further comprising a second circuit board disposed on a side of the first circuit board away from the wireless charging coil, wherein the second circuit board is disposed opposite to the first circuit board and connected to the first circuit board by a connection wire.
6. The wireless charging and communication assembly according to claim 5, wherein the second circuit board is provided with a power supply control circuit and a signal control circuit, the connection line comprises a current line and a signal line, the power supply control circuit is electrically connected with the wireless charging coil through the current line, and the signal control circuit is in communication connection with the millimeter wave antenna through the signal line.
7. The wireless charging and communication assembly according to claim 6, wherein the first circuit board further comprises a through hole, and the signal line is disposed through the through hole.
8. The wireless charging and communication assembly of claim 5, wherein magnetic shielding layers are disposed in the first circuit board and the second circuit board.
9. The wireless charging and communication assembly of claim 7, wherein the magnetic shielding layer is attached to a side of the first circuit board facing the second circuit board.
10. A wireless charging and communication device, comprising the wireless charging and communication assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636835.1A CN111952713A (en) | 2020-07-03 | 2020-07-03 | Wireless charging and communication assembly and wireless charging and communication device using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636835.1A CN111952713A (en) | 2020-07-03 | 2020-07-03 | Wireless charging and communication assembly and wireless charging and communication device using same |
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| CN111952713A true CN111952713A (en) | 2020-11-17 |
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| CN202010636835.1A Pending CN111952713A (en) | 2020-07-03 | 2020-07-03 | Wireless charging and communication assembly and wireless charging and communication device using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530693A (en) * | 2022-04-24 | 2022-05-24 | 云谷（固安）科技有限公司 | Wireless communication structure, display panel and wireless communication device |
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| CHIARA MARIOTTI: "Dual-frequency antennas embedded into the floor for efficient RF "energy evaporation"" * |
| 冯燕仿;陈伟健;李国雄;黄国钿;曾华清;: "基于螺旋天线的无线能量传输系统的设计" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530693A (en) * | 2022-04-24 | 2022-05-24 | 云谷（固安）科技有限公司 | Wireless communication structure, display panel and wireless communication device |
| US11641059B2 (en) | 2022-04-24 | 2023-05-02 | Yungu (Gu'an) Technology Co., Ltd. | Wireless communication structure, display panel and wireless communication device |
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