CN208094292U - Wireless headset charging unit, wireless headset and charging system - Google Patents
Wireless headset charging unit, wireless headset and charging system Download PDFInfo
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- CN208094292U CN208094292U CN201820618211.5U CN201820618211U CN208094292U CN 208094292 U CN208094292 U CN 208094292U CN 201820618211 U CN201820618211 U CN 201820618211U CN 208094292 U CN208094292 U CN 208094292U
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Abstract
The utility model discloses wireless headset charging unit, wireless headset and charging system, wireless headset charging unit includes main control unit, communication control unit, charging control unit and power transmission communication coil, wherein：The first end of the main control unit is connect with the first end of the communication control unit, the second end of the communication control unit is connect with the power transmission communication coil, and the communication control unit is used to carry out near-field communication by the power transmission communication coil under the control of the main control unit；The second end of the main control unit is connect with the first end of the charging control unit, the second end of the charging control unit is connect with the power transmission communication coil, the charging control unit is used to generate magnetic field by the power transmission communication coil under the control of the main control unit, to charge for wireless headset.Using the technical solution of the utility model, contribute to the service life for extending wireless headset, meanwhile, it additionally aids and the operations such as data update is carried out to wireless headset.
Description
Technical field
The utility model is related to electronic technology field more particularly to wireless headset charging unit, wireless headset and chargings
System.
Background technology
In current charging technique, charged mostly to wireless headset by wired mode, by transmitting filling for electric current
Electric wire is separately connected charging unit and wireless headset and can charge to wireless headset.
Although the mode of wired charging may be implemented to charge to wireless headset, still, due to connecting ability by charging wire
Complete charging, it is desirable that wireless headset setting is there are one interface so that charging wire can be by connecting the interface of wireless headset with nothing
Line earphone charges to wireless headset, charges and needs to carry out plug operation to interface when not charging, and frequent plug is easily damaged
Interface.In addition, for electronic device, interface be easier into the position of ash, water inlet, and for a long time into ash or largely into
Water may also can damage electronic device, and therefore, the mode of wired charging is unfavorable for realizing dustproof and waterproof.In addition, use has at present
The mode of line is charged this function that only charges, and is had a single function.
Utility model content
The utility model provides wireless headset charging unit, wireless headset and charging system, solves wired charging side
Interface caused by formula is fragile, is unfavorable for realizing dustproof and waterproof, the problem of having a single function.
In a first aspect, the utility model embodiment provides a kind of wireless headset charging unit, including main control unit, communication control
Unit processed and power transmission communication coil, wherein：
The first end of the main control unit is connect with the first end of the communication control unit, the communication control unit
Second end is connect with the power transmission communication coil, and the communication control unit under the control of the main control unit for passing through institute
It states power transmission communication coil and carries out near-field communication；
The second end of the main control unit is connect with the first end of the charging control unit, the charging control unit
Second end is connect with the power transmission communication coil, and the charging control unit under the control of the main control unit for passing through institute
It states power transmission communication coil and generates magnetic field, to charge for wireless headset.
Optionally, the wireless headset charging unit further includes bluetooth-communication unit, wherein：
The third end of the communication control unit is connect with the bluetooth-communication unit, and the communication control unit is additionally operable to
Bluetooth communication is carried out by the bluetooth-communication unit under the control of the main control unit.
Optionally, the wireless headset charging unit further includes Power Management Unit, wherein：
The Power Management Unit respectively with the third end of the main control unit, the communication control unit the 4th end,
The third end of the charging control unit connects, and the Power Management Unit is used for respectively to the main control unit, the communication
Control unit, the charging control unit are powered management.
Optionally, the wireless headset charging unit further includes power supply interface, wherein：
The power supply interface is connect with the Power Management Unit and the main control unit respectively, the Power Management Unit
It is additionally operable to receive externally fed input by the power supply interface, the main control unit is additionally operable to connect by the power supply interface
External equipment obtains the content of communications.
Optionally, the wireless headset charging unit further includes battery, wherein：
The battery is connect with the Power Management Unit, and the battery is used for storing electricity, and passes through the power supply pipe
Unit and the charging control unit is managed to charge to wireless headset.
Optionally, the wireless headset charging unit further includes display output unit, wherein：
The display output unit is connect with the 4th end of the main control unit, and the main control unit is additionally operable to by described
Display output unit display exports the state of the wireless headset charging unit.
Second aspect, the utility model embodiment provide a kind of wireless headset, including communication control unit, power control list
Member, by telecommunication coil and battery, wherein：
The first end of the communication control unit is connect with described by telecommunication coil, and the communication control unit is for leading to
It crosses described by telecommunication coil and wireless headset charging unit progress near-field communication；
The first end of the power control unit is connect with described by telecommunication coil, and the second of the power control unit
End is connect with the battery, the field generating current for being used to be generated according to wireless headset charging unit by telecommunication coil,
The power control unit is used for the current transmission generated by telecommunication coil to the battery, to pass through the battery
Storing electricity.
Optionally, the wireless headset further includes bluetooth-communication unit, wherein：
The second end of the communication control unit is connect with the bluetooth-communication unit, and the communication control unit is additionally operable to
Bluetooth communication is carried out by the bluetooth-communication unit.
Optionally, the wireless headset further includes Power Management Unit, wherein：
The second end of the power control unit is connect by the Power Management Unit with the battery, the power supply pipe
Reason unit is also connect with the third end of the communication control unit, and the Power Management Unit is used for the power control list
First, the described communication control unit is powered management, and, charge/discharge management is carried out to the battery.
The third aspect, the utility model embodiment provide a kind of charging system, including wireless headset charging unit and at least
One wireless headset, wherein：
The wireless headset charging unit is the wireless headset charging unit provided such as above-mentioned first aspect；
The wireless headset is the wireless headset provided such as above-mentioned second aspect.
In the utility model embodiment, wireless headset charging unit has power transmission communication coil, and wireless headset has by electricity
Communication coil, the magnetic field that the power transmission communication coil of wireless headset charging unit generates make being generated by telecommunication coil for wireless headset
Induced electromotive force, and then stored in the battery for being generated electric current inflow wireless headset by telecommunication coil of wireless headset, it completes
Charging to wireless headset.Charging wirelessly is carried out to wireless headset the dustproof and waterproof of wireless headset may be implemented to set
Meter, avoids the frequent plug of interface, contributes to the service life for extending wireless headset.In addition, wireless headset charging unit
Communication control unit can also carry out the wireless communications such as near-field communication, Bluetooth communication with the communication control unit of wireless headset, rich
The rich function of wireless headset charging unit, helps to carry out the operations such as data update to wireless headset.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram for charging system that the utility model embodiment provides；
Fig. 2 is a kind of structural schematic diagram for wireless headset charging unit that the utility model embodiment provides；
Fig. 3 is a kind of structural schematic diagram for wireless headset that the utility model embodiment provides；
Fig. 4 is that the wireless headset charging unit that the utility model embodiment provides is illustrated to the principle that wireless headset charges
Figure；
Fig. 5 A-5B are the originals that the wireless headset charging unit that the utility model embodiment provides is communicated with wireless headset
Manage schematic diagram；
Fig. 6 is the structural schematic diagram for another wireless headset charging unit that the utility model embodiment provides；
Fig. 7 A-7B are that the display output unit output for the wireless headset charging unit that the utility model embodiment provides is wireless
The schematic diagram of the state of earphone charging unit；
Fig. 8 is the structural schematic diagram for another wireless headset that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It is a kind of structural schematic diagram for charging system that the utility model embodiment provides referring first to Fig. 1, Fig. 1, such as schemes
Shown, charging system includes wireless headset charging unit 10 and at least one wireless headset 20, wherein wireless headset charging unit
10 wirelessly can give wireless headset 20 to charge, meanwhile, wireless headset charging unit 10 can also be by wireless
Mode is carried out wireless communication with wireless headset 20.
Wherein, wireless headset charging unit 10 can be the forms such as charging base, charging platform, charging box.
The concrete structure of wireless headset charging unit 10 and wireless headset 20 is described below, referring to Fig. 2-Fig. 8.
Fig. 2 is a kind of structural schematic diagram for wireless headset charging unit that the utility model embodiment provides, such as Fig. 2 institutes
Show, the wireless headset charging unit 10 may include main control unit 101, communication control unit 102, charging control unit 103
And power transmission communication coil 104, wherein：
The first end of the main control unit 101 is connect with the first end of the communication control unit 102, the communication control
The second end of unit 102 is connect with the power transmission communication coil 104, and the communication control unit 102 is used in the master control list
Near-field communication is carried out by the power transmission communication coil 104 under the control of member 101；
The second end of the main control unit 101 is connect with the first end of the charging control unit 102, the charge control
The second end of unit 103 is connect with the power transmission communication coil 104, and the charging control unit 102 is used in the master control list
Magnetic field is generated by the power transmission communication coil 104 under the control of member 101, to charge for wireless headset.
In the utility model embodiment, main control unit 101 can to communication control unit 102, charging control unit 103 into
Row control, main control unit 101 can control the work of communication control unit 102 and charging control unit 103 does not work, main control unit
101 can also control that communication control unit 102 does not work and charging control unit 103 works, and main control unit 101 can also control
Communication control unit 102 and charging control unit 103 work, and main control unit 101 can also control 102 He of communication control unit
Charging control unit 103 does not work.Further, main control unit 101 can also control communication control unit 102 or charging control
How unit 103 processed specifically works, for example, main control unit 101 controls the size of current of charging control unit output.Main control unit
101 can be integrated circuit, and the main control unit 101 includes but not limited to central processing unit (Center Processor
Unit, CPU), embedded microcontroller (Micro Controller Unit, MCU), embedded microprocessor (Micro
Processor Unit, MPU), Embedded SoC (System on Chip, SoC).
In a kind of possible design, the function that communication control unit 102, charging control unit 103 are realized can collect
In Cheng Yi chip device, i.e., the chip device not only may be implemented to wirelessly communicate, but also charge control may be implemented.
Fig. 3 is a kind of structural schematic diagram for wireless headset that the utility model embodiment provides.Wireless headset 20 can wrap
Include communication control unit 201, power control unit 202, by telecommunication coil 203 and battery 204, wherein：
The first end of the communication control unit 201 is connect with described by telecommunication coil 203, the communication control unit
201 by telecommunication coil 203 and wireless headset charging unit by described for being carried out near-field communication；
The first end of the power control unit 202 is connect with described by telecommunication coil 203, the power control unit
202 second end is connect with the battery 204, described to be used to be generated according to wireless headset charging unit by telecommunication coil 203
Field generating current, the power control unit 201 is used for the current transmission generated by telecommunication coil 203 to institute
Battery is stated, to pass through the battery storage electricity.
In a kind of possible design, the function that communication control unit 201, power control unit 202 are realized can collect
In Cheng Yi chip device, i.e., the chip device not only may be implemented to wirelessly communicate, but also charge control may be implemented.
In the utility model embodiment, when the power transmission communication coil 104 of wireless headset charging unit 10 is powered, also, nothing
The power transmission communication coil 104 of line earphone charging unit 10 and wireless headset 20 are by being less than first at a distance from telecommunication coil 203
Apart from when, wireless headset charging unit 10 can give wireless headset 20 charge, wherein first distance be less than or equal to by telecommunication
Coil can generate the maximum distance of induced electromotive force, and the first distance can be designed as 10 centimetres, 15 centimetres, etc..Wireless ear
Machine charging unit 10 to wireless headset 20 charge principle as shown in figure 4, wireless headset charging unit 10 charging control unit
103 export alternating current under the control of main control unit 101 to the power transmission communication coil 104 of wireless headset charging unit 10, due to
Alternating current, power transmission communication coil 104 generates magnetic field and magnetic field changes with the variation of alternating current, wireless headset 20 by electricity
Communication coil 203 be in power transmission communication coil 104 generation continually changing magnetic field in, wireless headset 20 by telecommunication coil
203 generate induced electromotive force, and then generate alternating current, and the alternating current of wireless headset 20 generated by telecommunication coil 203 passes through
The AC conversion generated by telecommunication coil 203 is by the power control unit 202 of wireless headset, power control unit 202
Direct current, then according to the specification of the battery 204 of wireless headset 20 (size for referring to the electric current of battery output or input) to battery
204 outputs and an equal amount of electric current of the specification, 204 storing electricity of battery.
In the utility model embodiment, when power transmission communication coil 104 and the wireless headset 20 of wireless headset charging unit 10
The distance by telecommunication coil 203 be less than second distance when, wireless headset charging unit 10 can be carried out with wireless headset 20
Near-field communication (NearField Communication, NFC) communicates, wherein second distance is less than or equal to NFC communication most
Big distance, second distance can be designed as 10 centimetres, 15 centimetres etc., and second distance can be with first apart from identical.Wireless ear
Machine charging unit 10 and wireless headset 20 can carry out NFC communication with active communication mode, can also with passive communication mode into
Row NFC communication.
In the case where carrying out NFC communication with passive communication mode, wireless headset charging unit 10 and wireless headset 20 into
The principle of row passive communication is as shown in Figure 5A, with NFC initiating equipments (and being properly termed as main equipment) for wireless headset charging unit
For 10, wherein wireless headset charging unit 10 provides radiofrequency field in entire communication process by power transmission communication coil 104
(RF-field).The communication control unit 102 of wireless headset charging unit 10 is selected according to the instruction of main control unit 101
106kbps, 212kbps or 424kbps one of which are as transmission speed, by 104 transmission data of power transmission communication coil, wirelessly
Earphone 20 is in by telecommunication coil in the radiofrequency field, and data are received by wireless headset 20 by telecommunication coil 203, by electricity
Communication coil 203 sends the data to the communication control unit 201 of power receiving device 20, and communication control unit 201 receives the data,
The corresponding response data of the data is generated, communication control unit 201 by telecommunication coil 203 by being used load modulation (load
Response data is returned to wireless headset charging unit 10 by modulation) technology with identical speed.
In the case where carrying out NFC communication with active communication mode, wireless headset charging unit 10 and wireless headset 20 into
The principle of row active communication is as shown in Figure 5 B, by taking NFC initiating equipments are wireless headset 20 as an example.Wireless headset 20 passes through logical by electricity
Believe that coil 203 generates radiofrequency field, the communication control unit 201 of wireless headset 20 select 106kbps, 212kbps or 424kbps its
It is middle a kind of as transmission speed, by being sent data in radiofrequency field by telecommunication coil 203, wireless headset charging unit 20
Power transmission communication coil 104 is in the radiofrequency field, and data are received by the power transmission communication coil 104 of wireless headset charging unit 10,
Power transmission communication coil 104 sends the data to the communication control unit 102 of wireless headset charging unit 20, communication control unit
102 receive the data, generate the corresponding response data of the data, wireless headset charging unit 10 passes through power transmission communication coil 104
Radiofrequency field is generated, response data is returned to wireless headset 20 by communication control unit 102 by the radiofrequency field.
In the utility model embodiment, due to wirelessly charging to wireless headset, wireless ear may be implemented
The dustproof and waterproof of machine designs, while avoiding the frequent plug of interface, contributes to the service life for extending wireless headset.In addition,
The communication control unit of wireless headset charging unit and the communication control unit of wireless headset carry out near-field communication, enrich wireless
The function of earphone charging unit helps to carry out the operations such as data update to wireless headset.
It is the structural representation for another wireless headset charging unit that the utility model embodiment provides referring to Fig. 6, Fig. 6
Figure, as shown in fig. 6, the wireless headset charging unit may include main control unit 101 in above-mentioned Fig. 2 corresponding embodiments, it is logical
Believe control unit 102, charging control unit 103 and power transmission communication coil 104, further, the wireless headset charging dress
It can also includes bluetooth-communication unit 105, Power Management Unit 106, power supply interface 107, battery 108 and display output to set 10
Unit 109, wherein：
The third end of the communication control unit 102 is connect with the bluetooth-communication unit 105, the communication control unit
102 are additionally operable under the control of the main control unit 101 carry out Bluetooth communication by the bluetooth-communication unit 105.
The Power Management Unit 106 respectively with the third end of the main control unit 101, the communication control unit 102
The 4th end, the charging control unit 103 third end connection, the Power Management Unit 106 be used for respectively to the master
Control unit 101, the communication control unit 102, the charging control unit 103 are powered management.
The power supply interface 107 is connect with the Power Management Unit 106 and the main control unit 101 respectively, the electricity
Source control unit 106 is additionally operable to receive externally fed input by the power supply interface 107, and the main control unit 101 is additionally operable to
The content that external equipment obtains communications is connected by the power supply interface 107.
The battery 108 is connect with the Power Management Unit 106, and the battery is used for storing electricity, and by described
Power Management Unit charges to wireless headset.
The display output unit 109 is connect with the 4th end of the main control unit 101, and the main control unit 101 is also used
In the state for exporting the wireless headset charging unit by the display of the display output unit 109.
Specifically, display output unit 109 may include the devices such as indicator light, display screen.For example, wireless headset with it is wireless
Earphone charging unit charges, then display output unit is given a green light by point to indicate wireless headset charging unit currently to nothing
Line earphone charging unit, as shown in Figure 7 A；For another example, wireless headset currently breaks down, then display output unit passes through display screen
Show specific fault condition, as shown in Figure 7 B.
It is the structural schematic diagram for another wireless headset that the utility model embodiment provides referring to Fig. 8, Fig. 8, such as Fig. 8 institutes
Show, the wireless headset charging unit may include communication control unit 201 in above-mentioned Fig. 3 corresponding embodiments, power control
Unit 202, by telecommunication coil 203 and battery 204, further, the wireless headset can also include Bluetooth communication list
Member 205 and Power Management Unit 206, wherein：
The second end of the communication control unit 201 is connect with the bluetooth-communication unit 205, the communication control unit
201 are additionally operable to carry out Bluetooth communication by the bluetooth-communication unit.
Wireless headset can be stored after receiving communication data by bluetooth-communication unit, upgrading etc..
The second end of the power control unit 202 is connect by the Power Management Unit 206 with the battery 204,
The Power Management Unit 206 is also connect with the third end of the communication control unit, the Power Management Unit 206 for pair
The power control unit 202, the communication control unit 201 are powered management, and, the battery 206 is filled
Electricity/electric discharge management.
In the utility model embodiment, since wireless headset charging unit and wireless headset are provided with bluetooth-communication unit,
Wireless headset charging unit can also be communicated with wireless headset by bluetooth, further enrich wireless headset charging unit
Function.The battery of wireless headset charging unit can pass through the electricity of battery storage in the case where outside can not provide alternating current
It measures and charges to wireless headset.The display output unit of wireless headset charging unit can allow the user to that wireless ear is well understood
The state of machine charging unit.
It should be understood that above disclosures are merely preferred embodiments of the utility model, cannot be come certainly with this
The interest field of the utility model, therefore equivalent variations made according to the claim of the utility model are limited, it is new still to belong to this practicality
The range that type is covered.
Claims (10)
1. a kind of wireless headset charging unit, which is characterized in that including main control unit, communication control unit, charging control unit
And power transmission communication coil, wherein：
The first end of the main control unit is connect with the first end of the communication control unit, and the second of the communication control unit
End is connect with the power transmission communication coil, and the communication control unit is used under the control of the main control unit send by described
Telecommunication coil carries out near-field communication；
The second end of the main control unit is connect with the first end of the charging control unit, and the second of the charging control unit
End is connect with the power transmission communication coil, and the charging control unit is used under the control of the main control unit send by described
Telecommunication coil generates magnetic field, to charge for wireless headset.
2. wireless headset charging unit according to claim 1, which is characterized in that the wireless headset charging unit also wraps
Bluetooth-communication unit is included, wherein：
The third end of the communication control unit is connect with the bluetooth-communication unit, and the communication control unit is additionally operable in institute
It states and Bluetooth communication is carried out by the bluetooth-communication unit under the control of main control unit.
3. wireless headset charging unit according to claim 1, which is characterized in that the wireless headset charging unit also wraps
Power Management Unit is included, wherein：
The Power Management Unit respectively with the third end of the main control unit, the 4th end, described of the communication control unit
The third end of charging control unit connects, and the Power Management Unit is used for respectively to the main control unit, the communication control
Unit, the charging control unit are powered management.
4. device according to claim 3, which is characterized in that the wireless headset charging unit further includes power supply interface,
Wherein：
The power supply interface is connect with the Power Management Unit and the main control unit respectively, and the Power Management Unit is also used
In receiving externally fed input by the power supply interface, the main control unit is additionally operable to connect by the power supply interface external
Equipment obtains the content of communications.
5. device according to claim 3 or 4, which is characterized in that the wireless headset charging unit further includes battery,
In：
The battery is connect with the Power Management Unit, and the battery is used for storing electricity, and passes through the power management list
The first and described charging control unit charges to wireless headset.
6. the apparatus according to claim 1, which is characterized in that the wireless headset charging unit further includes that display output is single
Member, wherein：
The display output unit is connect with the 4th end of the main control unit, and the main control unit is additionally operable to through the display
Output unit display exports the state of the wireless headset charging unit.
7. a kind of wireless headset, which is characterized in that including communication control unit, power control unit, by telecommunication coil and
Battery, wherein：
The first end of the communication control unit is connect with described by telecommunication coil, and the communication control unit is for passing through institute
It states and is carried out near-field communication by telecommunication coil and wireless headset charging unit；
The first end of the power control unit is connect with described by telecommunication coil, the second end of the power control unit with
The battery connection, the field generating current for being used to be generated according to wireless headset charging unit by telecommunication coil are described
Power control unit is used for the current transmission generated by telecommunication coil to the battery, to pass through the battery storage
Electricity.
8. wireless headset according to claim 7, which is characterized in that the wireless headset further includes bluetooth-communication unit,
Wherein：
The second end of the communication control unit is connect with the bluetooth-communication unit, and the communication control unit is additionally operable to pass through
The bluetooth-communication unit carries out Bluetooth communication.
9. wireless headset according to claim 7 or 8, which is characterized in that the wireless headset further includes power management list
Member, wherein：
The second end of the power control unit is connect by the Power Management Unit with the battery, the power management list
Member is also connect with the third end of the communication control unit, and the Power Management Unit is used for the power control unit, institute
It states communication control unit and is powered management, and, charge/discharge management is carried out to the battery.
10. a kind of charging system, which is characterized in that including wireless headset charging unit and at least one wireless headset, wherein：
The wireless headset charging unit is wireless headset charging unit as claimed in any one of claims 1 to 6；
The wireless headset is such as claim 7-9 any one of them wireless headsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618211.5U CN208094292U (en) | 2018-04-26 | 2018-04-26 | Wireless headset charging unit, wireless headset and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618211.5U CN208094292U (en) | 2018-04-26 | 2018-04-26 | Wireless headset charging unit, wireless headset and charging system |
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| Publication Number | Publication Date |
|---|---|
| CN208094292U true CN208094292U (en) | 2018-11-13 |
Family
ID=64052617
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820618211.5U Active CN208094292U (en) | 2018-04-26 | 2018-04-26 | Wireless headset charging unit, wireless headset and charging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958525A (en) * | 2019-12-03 | 2020-04-03 | 青岛歌尔智能传感器有限公司 | Communication method and device of earphone and charging box, wireless earphone and storage medium |
| CN111866823A (en) * | 2019-04-26 | 2020-10-30 | 深圳市三诺声智联股份有限公司 | Wireless earphone charging equipment, interaction method and storage device |
| US10841684B2 (en) | 2019-01-03 | 2020-11-17 | Google Llc | Wireless charging for headphones |
-
2018
- 2018-04-26 CN CN201820618211.5U patent/CN208094292U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10841684B2 (en) | 2019-01-03 | 2020-11-17 | Google Llc | Wireless charging for headphones |
| CN111866823A (en) * | 2019-04-26 | 2020-10-30 | 深圳市三诺声智联股份有限公司 | Wireless earphone charging equipment, interaction method and storage device |
| CN111866823B (en) * | 2019-04-26 | 2023-10-13 | 深圳市三诺声智联股份有限公司 | Wireless earphone charging equipment, interaction method and storage medium |
| CN110958525A (en) * | 2019-12-03 | 2020-04-03 | 青岛歌尔智能传感器有限公司 | Communication method and device of earphone and charging box, wireless earphone and storage medium |
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