CN107948799B - Wireless headset and charging box - Google Patents
Wireless headset and charging box Download PDFInfo
- Publication number
- CN107948799B CN107948799B CN201711378684.9A CN201711378684A CN107948799B CN 107948799 B CN107948799 B CN 107948799B CN 201711378684 A CN201711378684 A CN 201711378684A CN 107948799 B CN107948799 B CN 107948799B
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- interface
- transistor circuit
- data
- connect
- earphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless headset and charging box, the wireless headset includes at least one headset main body；Wherein, each headset main body includes: earphone case；It is set to the intracorporal earphone processing component of the ear casing, and the first transistor circuit and the second transistor circuit that are separately connected with the earphone processing component；It is set to the first ground interface and the first power interface that the earphone case is outer and connect with the earphone processing component, and the first data-interface connecting respectively with first transistor circuit and second transistor circuit；Wherein, first power interface, the first ground interface and first data-interface with charging box to connect；The earphone processing component establishes data transmitting channel by first transistor circuit and the charging box；Data receiving channel is established by second transistor circuit and the charging box.The present invention reduces the external interfaces of wireless headset.
Description
Technical field
The present embodiments relate to technical field of electronic communication, specifically, being related to a kind of wireless headset and charging box.
Background technique
TWS earphone (True Wireless Stereo, true wireless headset) is a kind of using wireless technology, with intelligent terminal
It is wirelessly connected, to be conversed or be played the electronic equipment of the audio data in intelligent terminal.TWS is wireless device, is needed
Its normal operation is maintained using electric energy.Currently, being mainly that wireless headset charges using charging box.It is provided in charging box
Groove, there are metal interface in groove, when wireless headset is inserted into the groove of charging box, the metal interface of earphone i.e. and rushes electric box
Interface conducting, at this point, wireless headset can be charged or be communicated to wireless headset.
In the prior art, 4 interfaces are included at least in wireless headset and charging box, respectively included, power interface, ground connection
Interface, data output interface and Data Input Interface.When charging box and the power interface and ground interface of wireless headset
When being correspondingly connected with, charging box can be for wireless headset charging.When the data output interface of wireless headset and the data of charging box
The data output interface of input interface connection, the Data Input Interface of wireless headset and charging box connects, charging box and wireless
Earphone can be communicated.
But in above-mentioned earphone, needs to be arranged power interface, ground interface, data output interface and output input and connect
At least four interfaces such as mouth, and the volume very little of earphone, when interface is excessive, the Machine Design of wireless headset is not easy to realize.
Summary of the invention
In view of this, the present invention provides a kind of wireless headset and charging box, be mainly used for solving in the prior art by
Excessively Machine Design is caused to be not easy the technical issues of realizing in the external interface of wireless headset.
In order to solve the above-mentioned technical problem, first aspect present invention provides a kind of wireless headset, including at least one ear
Owner's body；Wherein, each headset main body includes:
Earphone case；
It is set to the intracorporal earphone processing component of the ear casing, and be separately connected with the earphone processing component
One transistor circuit and the second transistor circuit；
It is set to the first ground interface and the first power supply that the earphone case is outer and connect with the earphone processing component
Interface, and the first data-interface being connect respectively with first transistor circuit and second transistor circuit；
Wherein, first power interface, the first ground interface and first data-interface with charging box to connect
It connects；
The earphone processing component establishes data transmitting channel by first transistor circuit and the charging box；It is logical
It crosses second transistor circuit and the charging box establishes data receiving channel.
Preferably, first transistor circuit includes: the first triode and the first pull-up resistor；Two or three pole
Pipe circuit includes: the second triode and the second pull-up resistor；
The output pin of the earphone processing component is pulled up with the base stage of first triode and described first respectively
The first end of resistance connects；Input pin respectively with the collector of second triode and second pull-up resistor
One end connection；
The transmitting collection ground connection of first triode, collector are connect with first data-interface；
The transmitting collection ground connection of second triode, base stage are connect with first data-interface；
The second end of first pull-up resistor connect the first power supply with the second end of second pull-up resistor.
Preferably, it is high-impedance state that the earphone processing component, which controls the input pin, and output pin works normally, with
The charging box establishes data transmitting channel；Controlling the output pin is high-impedance state, and input pin works normally, and described
Charging box establishes data receiving channel.
It preferably, further include bleeder circuit；
The base stage of the collector of first triode and second triode connects described by bleeder circuit
One data-interface.
Preferably, the charging box includes: charging box main body, and the charging box main body includes:
Charge shell；
It is set to the intracorporal charging process component of charging shell, and be separately connected with the charging process component
Three transistor circuits and the 4th transistor circuit；
It is set to the second ground interface and second source that the charging shell is outer and connect with the charging process component
Interface, and the second data-interface being connect respectively with the third transistor circuit and the 4th transistor circuit；
Wherein, the second source interface, the second ground interface and second data-interface to the earphone
Connection；
The charging process component establishes data transmitting channel by the third transistor circuit and the earphone；Pass through
4th transistor circuit and the earphone establish data receiving channel.
Second aspect of the present invention provides a kind of charging box, and the charging box includes: charging box main body, the charging box main body
Include:
Charge shell；
It is set to the intracorporal charging process component of charging shell, and be separately connected with the charging process component
Three transistor circuits and the 4th transistor circuit；
It is set to the second ground interface and second source that the charging shell is outer and connect with the charging process component
Interface, and the second data-interface being connect respectively with the third transistor circuit and the 4th transistor circuit；
Wherein, the second source interface, the second ground interface and second data-interface to wireless headset
Connection；
The charging process component establishes data transmitting channel by the third transistor circuit and the wireless headset；
Data receiving channel is established by the 4th transistor circuit and the wireless headset.
Third aspect present invention provides a kind of wireless headset, comprising: at least one headset main body；Wherein, each earphone
Main body includes:
Earphone case；
The one or three for being set to the intracorporal earphone processing component of the ear casing, being separately connected with the earphone processing component
Pole pipe circuit and the second transistor circuit are connect with first transistor circuit and second transistor circuit respectively
First capacitor, the first inductance being connect with the first capacitor and the rechargeable battery with first inductance connection；
Be set to the first ground interface that the earphone case is outer and connect with the earphone processing component, and respectively with
First data-interface of the first capacitor and first inductance connection；
Wherein, first ground interface and first data-interface with charging box to connect；
The earphone processing component establishes number by first transistor circuit and first capacitor and the charging box
According to sendaisle；Data receiving channel is established by second transistor circuit and first capacitor and the charging box；It is logical
It crosses the rechargeable battery and first inductance and the charging box establishes charge tunnel.
Preferably, first transistor circuit includes: the first triode and the first pull-up resistor；Two or three pole
Pipe circuit includes: the second triode and the second pull-up resistor；
The output pin of the earphone processing component is pulled up with the base stage of first triode and described first respectively
The first end of resistance connects；Input pin respectively with the collector of second triode and second pull-up resistor
One end connection；
The transmitting collection ground connection of first triode, collector are connect with the first end of the first capacitor；
The transmitting collection ground connection of second triode, base stage are connect with the first end of the first capacitor；
The second end of the first capacitor and the second end of first inductance connect first data-interface；It is described
The first end of first inductance connects the rechargeable battery, the second end of second pull-up resistor and first pull-up resistor
Second end connects the first power supply.
Fourth aspect present invention provides a kind of charging box, comprising: charging box main body；The charging box main body includes:
Charge shell；
The three or three for being set to the intracorporal charging process component of the charging shell, being separately connected with the charging process component
Pole pipe circuit and the 4th transistor circuit are connect with the third transistor circuit and the 4th transistor circuit respectively
Second capacitor, the charge power supply with the second inductance of second capacitance connection and with second inductance connection；
Be set to the second ground interface that the charging shell is outer and connect with the charging process component, and with it is described
Second data-interface of the second capacitor and second inductance connection；
Wherein, second ground interface and second data-interface with wireless headset to connect；
The charging process component is established by the third transistor circuit and the second capacitor and the wireless headset
Data transmitting channel；It is logical that data receiver is established by the 4th transistor circuit and the second capacitor and the wireless headset
Road；Charge tunnel is established by the charge power supply and second inductance and the wireless headset.
Preferably, the third transistor circuit includes: third transistor and third pull-up resistor；Four or three pole
Pipe circuit includes: the 4th triode and the 4th pull-up resistor；
The output pin of the charging process component is pulled up with the base stage of the third transistor and the third respectively
The first end of resistance connects；Input pin respectively with the collector of the 4th triode and the 4th pull-up resistor
One end connection；
The transmitting collection ground connection of the third transistor, collector are connect with the first end of second capacitor；
The transmitting collection ground connection of the third transistor, base stage are connect with the first end of second capacitor；
The second end of second capacitor and the second end of second inductance connect second data-interface；It is described
The first end of second inductance connects the rechargeable battery, second end and the 5th pull-up resistor of the 6th pull-up resistor
Second end connects the second power supply.
In the embodiment of the present invention, the data transmission path of the intracorporal earphone processing component of ear casing, by the first triode electricity
Road and the second transistor circuit are constituted, and can only be completed by first transistor circuit and the second transistor circuit
The foundation of data transmission channel and data transmitting channel, first transistor circuit and second transistor circuit connect
Be connected to first data-interface so that data transmission interface in earphone reduces one, be reduced to include the first power interface,
The interface outside 3 earphone cases including first ground interface and the first data-interface, and realize and reducing external interface
Earphone can be enable to communicate with charging box simultaneously.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of one embodiment of wireless headset provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of another embodiment of wireless headset provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of one embodiment of charging box provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of another embodiment of wireless headset provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of another embodiment of wireless headset provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of another embodiment of charging box provided in an embodiment of the present invention.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below in conjunction with accompanying drawings and embodiments, how the present invention is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
Some embodiments of the invention are mainly used in wireless headset, by the way that the external interface of wireless headset is reduced one
It is a, increase triode conversion circuit in the inside of earphone, realizes the switching of data receiving channel and data transmitting channel, it can be with
Reduce the external interface of wireless headset.
In the prior art, wireless headset is mostly to be contacted by external interface with charging box to connect, and realizes charging and number
According to the work of transmission.In general, the external interface of wireless headset may include power interface, ground interface, data transmission interface with
And data transmission interface, wireless headset need to reserve these external interfaces.But due to the small volume of earphone, earphone is connect
When making a slip of the tongue more, Machine Design is not easily accomplished.
Therefore, in order to save earphone interface, inventor expects the access that data whether can will be used for transmission in earphone, leads to
It crosses transistor circuit to be converted, the switch operating of different data channel is realized using the switching characteristic of triode.Accordingly, it sends out
Bright people proposes technical solution of the present invention.
In the embodiment of the present invention, by the way that the intracorporal earphone processing component of ear casing to be used for transmission to the pin of data, respectively
The first transistor circuit and the second transistor circuit are connected, conducting shape of the transistor circuit in different voltages is passed through
State realizes the switch operating of different data interface.And then the first transistor circuit and second transistor circuit are connected
To the first data-interface, an interface has been saved, meanwhile, it may be implemented to send by the data that the first transistor circuit is established logical
The data receiving channel reception data that road sends data and the second transistor circuit is established, pass through first data-interface
Data transmission can be thus achieved.Reduce the external interface of earphone.
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1, being a kind of example structure schematic diagram of wireless headset provided in an embodiment of the present invention, the earphone
It may include: at least one headset main body 100.
Wherein, each headset main body 100 includes:
Earphone case 101；
The earphone processing component 102 being set in the earphone case 101, and divide with the earphone processing component 102
The first transistor circuit 103 and the second transistor circuit 104 not connected；
Be set to the outer earphone case 101 and the first ground interface 105 for being connect with the earphone processing component 102 and
First power interface 106, and connect with first transistor circuit 103 and second transistor circuit 104 respectively
The first data-interface 107；
Wherein, the first ground interface 105, first power interface 106 and first data-interface 107 to
Charging box connection；
The earphone processing component 102 is established data with the charging box by first transistor circuit 103 and is sent
Channel；Data receiving channel is established with the charging box by second transistor circuit 104.
Wireless headset can be contacted with charging box the transmission channel with the charging box is connected.Wireless headset and charging box
It is mostly by the way that the shell of corresponding earphone case and the shell that charges is respectively set by data output interface and Data Input Interface
External interface.Due to wireless headset and the small volume of charging box, especially wireless headset, when shell external tapping is excessive
When, Machine Design is not easy to realize.Therefore, it is necessary to reduce the external interface of the wireless headset to the greatest extent.
Interface can usually be entered data into and data output interface is linked into a data bus.The data are total
Line refers to, can either execute the transfer bus that data receiver is also able to carry out data transmission with wireless headset and charging box, constitute
One transmission lines, one external interface of a transmission lines namely needs.But when data/address bus is that wireless headset transmits number
According to when, need the data of wireless headset transmitting pin strong pull-up or strong pull-down, to realize that data are transmitted.Due to the data
Perhaps data-out pin is connected to the strong pull-up of any one data pin or strong pull-down on data/address bus to output pin
When, data/address bus enters high level state or low level state therewith, and maintains level state constant, leads to data at this time
Bus is no longer viable for transmission data.
The earphone case can refer to the shell of earphone, for packing and protecting the hardware configuration of head circuit module.
The earphone case typically resin material or plastic material protect head circuit to realize good insulation effect.
By the way that transistor circuit to be introduced into the data transmission circuit of wireless headset, transistor circuit can be used as switch
Circuit uses, and can not have to the blocking that one of transmission line is realized by strong pull-up or strong pull-down mode at this time, can
So that the transmission line normal transmission data worked normally.Transistor circuit uses corresponding mode switching circuit, has no effect on
The normal work of another data access.
It optionally, may include the first triode in first transistor circuit, it can in second transistor circuit
To include the second triode.
First transistor circuit and second transistor circuit can be used as switching circuit use.Described first
When transistor circuit and the charging box establish data transmitting channel, the second triode in second transistor circuit is in
Off state, second transistor circuit is in close pattern at this time, cannot receive data for user.Second triode
When circuit and the charging box establish data receiving channel, the first triode in first transistor circuit is in cut-off shape
State, first transistor circuit is in close pattern at this time, cannot send data for user.
The earphone processing component can refer to charging and the data transmission procedure of control wireless headset and charging box
Chip.In practical applications the earphone processing component can for micro-control unit (Microcontroller Unit,
MCU).The earphone processing component may include at least one pin, the earphone processing component and first triode electricity
Road and the connection of the second transistor circuit refer to that the output pin of the earphone processing component is built with first transistor circuit
Vertical connection and input pin and second transistor circuit establish connection.
It can also include headset batteries in the earphone case, the headset batteries can be the intracorporal ear of the ear casing
The power supply such as machine processing component, the first transistor circuit and second transistor circuit.The wireless headset is placed in charging box
When, charging box can charge to the intracorporal headset batteries of ear casing.The anode of the headset batteries can connect earphone
In the first power interface, cathode can connect first ground interface.
Triode in first transistor circuit and second transistor circuit can choose frequency response
The triode of wider range can specifically include quickly digital triode.
In the embodiment of the present invention, by the way that the intracorporal earphone processing component of ear casing to be used for transmission to the pin of data, respectively
The first transistor circuit and the second transistor circuit are connected, conducting shape of the transistor circuit in different voltages is passed through
State realizes the switch operating of different data interface.And then the data transmitting channel that can be established by the first transistor circuit is sent out
The data receiving channel for sending data and the second transistor circuit to establish receives data, passes through first data-interface
To realize that data are transmitted.Reduce the external interface of earphone.
As one embodiment, as shown in Fig. 2, first transistor circuit 103 shown in implementation in Fig. 1 can be with
It include: the first triode 1031 and the first pull-up resistor 1032；Second transistor circuit 104 includes: the second triode
1041 and second pull-up resistor 1042；
The output pin of the earphone processing component 102 respectively with the base stage of first triode 1031 and described
The first end of one pull-up resistor 1032 connects；Input pin respectively with the collector of second triode 1041 and described
The first end of two pull-up resistors 1042 connects；
The transmitting collection ground connection of first triode 1031, collector are connect with first data-interface 107；
The transmitting collection ground connection of second triode 1041, base stage are connect with first data-interface 107；
The second end of first pull-up resistor 1032 connect the first confession with the second end of second pull-up resistor 1042
Power supply 108.
First triode 1031 and second triode 1041 can be quickly digital triode, described fast
The frequency response range of the digital triode of speed is wider, can obtain faster message transmission rate, reach rapid detection circuit
The target of level change.
As a kind of possible implementation, it is high-impedance state that the earphone processing component, which controls the input pin, defeated
Pin works normally out, establishes data transmitting channel with the charging box；Controlling the output pin is high-impedance state, and input is drawn
Foot works normally, and establishes data receiving channel with the charging box.
The output pin of the earphone processing component is connect with first transistor circuit, input pin and described second
Transistor circuit connection.The earphone processing component can detecte the level state of its input pin and output pin, work as institute
The level state of input pin and the output pin is stated by that can determine its transistor circuit quilt connected when high-impedance state
Cut-off, and then the circuit path is closed, another circuit path can be with normal transmission data.
The normal work of the output pin and the input pin refers to that the level state of pin is in normal electricity
Level state, the normal level state can refer to higher voltage or lower voltage, but the voltage value is normal
Voltage value in range.
The earphone processing component can be by detecting the level state of the input pin or the level of output pin
State judges the switching of data-transmission mode in the work of the charging box and wireless headset, can for the input pin with
And the operating mode of input pin realizes switching, data or hair can also be normally received when reducing by an external interface
Send data.
As another possible implementation, the earphone can also include:
Bleeder circuit；
The base stage of the collector of first triode and second triode connects described by bleeder circuit
One data-interface.
The bleeder circuit may include the first divider resistance, the second divider resistance and dividing voltage supply；The partial pressure electricity
Source can provide steady dc voltage.The first end of first divider resistance connects dividing voltage supply, the first partial pressure electricity
The second end of resistance and the first end of second divider resistance connect first data-interface, second divider resistance
Second end ground connection.The second end ground connection of the divider resistance can refer to that the end connects low level.First divider resistance and
Second divider resistance is series system connection, the voltage of the dividing voltage supply can be carried out according to its capacitance size corresponding
Partial pressure, dividing point be first divider resistance second end and second divider resistance first end at connection
Point.
It can be provided accordingly for the collector of the first triode and the base stage of the second triode by the bleeder circuit
Voltage, the voltage of first triode and the second triode can be made to be in stable voltage status, pass through the electricity
Stable operation is pressed, can achieve the purpose of protection transistor circuit.
In the embodiment of the present invention, in the actual design of first transistor circuit and second transistor circuit,
The switch operating of data channel can be realized by the design of transistor circuit.It can also include pull-up in the transistor circuit
Resistance, the pull-up resistor can realize the pattern switching work of input/output interface, it can be made to keep away by connecting to power supply
The phenomenon that exempting from the data-transmission interruptions because of caused by pull-up resistor or pull-up resistor.
As another embodiment, charging box involved in embodiment shown in FIG. 1 can also include:
Charge box main body, and the charging box main body includes:
Charge shell；
It is set to the intracorporal charging process component of charging shell, and be separately connected with the charging process component
Three transistor circuits and the 4th transistor circuit；
It is set to the second ground interface and second source that the charging shell is outer and connect with the charging process component
Interface, and the second data-interface being connect respectively with the third transistor circuit and the 4th transistor circuit；
Wherein, the second source interface, the second ground interface and second data-interface to the earphone
Connection；
The charging process component establishes data transmitting channel by the third transistor circuit and the earphone；Pass through
4th transistor circuit and the earphone establish data receiving channel.
In the embodiment of the present invention, a kind of charging box to match with wireless headset transmission line is provided, is passed through
The charging box is used cooperatively with the wireless headset, and the data transmission efficiency of charging box and wireless headset can be improved.Together
Sample, due to realizing that corresponding data passes also by corresponding third transistor circuit and the 4th transistor circuit in the charging box
The switch operating of defeated mode, it is possible to reduce the external interface of charging box, so that Machine Design is easily realized, the interface with charging box
Quantity matches, also the convenience of increase Interface Matching connection.
As shown in figure 3, be a kind of structural schematic diagram of one embodiment of charging box provided in an embodiment of the present invention, it is described
Charging box may include:
Charge box main body 301, and the charging box main body 301 includes:
Charge shell 302；
The charging process component 303 being set in the charging shell 302, and connect respectively with the charging process component
The third transistor circuit 304 and the 4th transistor circuit 305 connect；
Be set to the charging shell 302 outer and the second ground interface 306 for being connect with the charging process component 303 and
Second source interface 307, and connect respectively with the third transistor circuit 304 and the 4th transistor circuit 305
The second data-interface 308；
Wherein, the second source interface 307, the second ground interface 306 and second data-interface 308 to
Wireless headset connection；
The charging process component 303 establishes data hair by the third transistor circuit 304 and the wireless headset
Send channel；Data receiving channel is established with the wireless headset by the 4th transistor circuit 305.
The charging shell can refer to the shell of charging box, the hardware of the circuit module for packing and protecting charging box
Structure.The charging box shell typically resin material or plastic material, to realize good insulation effect, protection is filled
Circuit in electric box.
By the way that transistor circuit to be introduced into the data transmission circuit of charging box, transistor circuit can be used as switch electricity
Road uses, by the control of the on-off of triode can transmission line operating mode switching.Transistor circuit uses corresponding
Mode switching circuit has no effect on the normal work of another data access.
It optionally, may include third transistor in the third transistor circuit, it can in the 4th transistor circuit
To include the 4th triode.
The third transistor circuit and the 4th transistor circuit can be used as switching circuit use.The third
When transistor circuit and the wireless headset establish data transmitting channel, at the 4th triode in the 4th transistor circuit
In off state, the 4th transistor circuit is in close pattern at this time, cannot receive data for user.Four or three pole
When pipe circuit and the earphone establish data receiving channel, the third transistor in the third transistor circuit is in cut-off shape
State, the third transistor circuit is in close pattern at this time, cannot send data for user.
The charging process component can refer to the chip that control charging box is wireless headset charging and data transmission.
The charging process component can be micro-control unit (Microcontroller Unit, MCU) in practical applications.It is described to fill
Electric treatment component may include at least one pin, the charging process component and the third transistor circuit and the four or three
Pole pipe circuit connection refers to, the output pin of the charging process component and the third transistor circuit establish connection and defeated
Enter pin and the 4th transistor circuit establishes connection.
It can also include rechargeable battery in the charging shell, the rechargeable battery can fill for the charging shell is intracorporal
The power supply such as electric treatment component, third transistor circuit and the 4th transistor circuit.The wireless headset is placed in charging box
When, the rechargeable battery of charging box can also charge to the intracorporal headset batteries of ear casing.The anode of the rechargeable battery can
To connect the second source interface in charging box, cathode can connect second ground interface.
Triode in the third transistor circuit and the 4th transistor circuit can choose frequency response
The triode of wider range can specifically include quickly digital triode.
In the embodiment of the present invention, by the way that the earphone charging intracorporal earphone charging process component of shell is used for transmission drawing for data
Foot is separately connected third transistor circuit and the 4th transistor circuit, through transistor circuit in different voltages
On state realizes the switch operating of different data interface.And then it is third transistor circuit and the 4th triode is electric
Road is connected to the first data-interface, has saved an interface, meanwhile, the data established by third transistor circuit may be implemented
The data receiving channel reception data that sendaisle sends data and the 4th transistor circuit is established, pass through one second number
Data transmission can be thus achieved according to interface.The external interface for reducing earphone charging box makes the external interface of charging box and wireless
The external interface of earphone matches, and is easier to realize the matched design of the charging box and wireless headset that match.
As one embodiment, the third transistor circuit shown in the implementation in Fig. 3 may include: the three or three pole
Pipe and third pull-up resistor；4th transistor circuit may include: the 4th triode and the 4th pull-up resistor；
The output pin of the charging process component is pulled up with the base stage of the third transistor and the third respectively
The first end of resistance connects；Input pin respectively with the collector of the 4th triode and the 4th pull-up resistor
One end connection；
The transmitting collection ground connection of the third transistor, collector are connect with second data-interface；
The transmitting collection ground connection of 4th triode, base stage are connect with second data-interface；
The second end of the third pull-up resistor connect the second power supply with the second end of the 4th pull-up resistor.
The third transistor and the 4th triode can be quickly digital triode, the quick number
The frequency response range of triode is wider, can obtain faster transmission rate, reaches the mesh of rapid detection circuit level change
Mark.
As a kind of possible implementation, it is high-impedance state that the charging process component, which controls the input pin, defeated
Pin works normally out, establishes data transmitting channel with the wireless headset；Controlling the output pin is high-impedance state, input
Pin works normally, and establishes data receiving channel with the wireless headset.
The output pin of the charging process component and the third transistor circuit connection, input pin and the described 4th
Transistor circuit connection.The charging process component can detecte the level state of its input pin and output pin, work as institute
The level state of input pin and the output pin is stated by that can determine its transistor circuit quilt connected when high-impedance state
Cut-off, and then the circuit path is closed, another circuit path can be with normal transmission data.
The normal work of the output pin and the input pin refers to that the level state of pin is in normal electricity
Level state, the normal level state can refer to higher voltage or lower voltage, but the voltage value is normal
Voltage value in range.
The charging process component can be by detecting the level state of the input pin or the level of output pin
State judges the switching of data-transmission mode in the work of the charging box and wireless headset, can for the input pin with
And the operating mode of input pin realizes switching, data or hair can also be normally received when reducing by an external interface
Send data.
As another possible implementation, the charging box can also include:
Charge bleeder circuit；
The base stage of the collector of the third transistor and the 4th triode is connected by the charging bleeder circuit
Connect second data-interface.
The charging bleeder circuit may include third divider resistance, the 4th divider resistance and charging dividing voltage supply；Institute
Steady dc voltage can be provided by stating charging dividing voltage supply.The first end of the third divider resistance connects charger assembled by several branch piezoelectricity
The first end of source, the second end of the third divider resistance and the 4th divider resistance connects second data-interface,
The second end of 4th divider resistance is grounded.The second end ground connection of the charging divider resistance can refer to that the end connects low electricity
It is flat.The third divider resistance and the 4th divider resistance are series system connection, can be by the charging dividing voltage supply
Voltage divided accordingly according to its capacitance size, dividing point is the second end of the third divider resistance and described
Tie point at the first end of 4th divider resistance.
It can be provided accordingly for the collector of third transistor and the base stage of the 4th triode by above-mentioned bleeder circuit
Voltage, the voltage of the third transistor and the 4th triode can be made to be in stable voltage status, pass through the electricity
Stable operation is pressed, can achieve the purpose of protection transistor circuit.
In the embodiment of the present invention, in the actual design of the third transistor circuit and the 4th transistor circuit,
The switch operating of data channel can be realized by the design of transistor circuit.It can also include pull-up in the transistor circuit
Resistance, the pull-up resistor can realize the pattern switching work of input/output interface, it can be made to keep away by connecting to power supply
The phenomenon that exempting from the data-transmission interruptions because of caused by pull-up resistor or pull-up resistor.
As shown in figure 4, be a kind of structural schematic diagram of another embodiment of wireless headset provided in an embodiment of the present invention,
The wireless headset may include:
Earphone case 401；
The earphone processing component 402 that is set in the earphone case 401 connects respectively with the earphone processing component 401
The first transistor circuit 403 and the second transistor circuit 404 that connect, respectively with first transistor circuit 403 and described
The first capacitor 405 of second transistor circuit 404 connection, the first inductance 406, the Yi Jiyu being connect with the first capacitor 405
The rechargeable battery 407 that first inductance 406 connects；
It is set to the first ground interface 408 that the earphone case 401 is outer and connect with the earphone processing component 402,
And the first data-interface 409 being connect respectively with the first capacitor 405 and first inductance 406；
Wherein, first ground interface 408 and first data-interface 409 with charging box to connect；
The earphone processing component passes through first transistor circuit 403 and first capacitor 405 and the charging box
Establish data transmitting channel；Data are established by second transistor circuit 404 and first capacitor 406 and the charging box
Receiving channel；Charge tunnel is established by the rechargeable battery 407 and first inductance 406 and the charging box.
Electronic module of the present invention is identical as embodiment part shown in FIG. 1, is no longer repeated herein.The present invention
Embodiment and embodiment shown in FIG. 1 the difference is that, the first inductance and first capacitor are increased in the present embodiment, is led to
The addition of first inductance and first capacitor is crossed, blocking can be handed over by the way that the first capacitor is logical, pass through first electricity
Sense is logical directly every friendship.
The data transmitted in the earphone case are mostly AC signal, and the current signal that rechargeable battery provides is mostly direct current
Signal.The DC power supply that charging box provides is transferred to the rechargeable battery by the logical straight function of the first inductance, and passes through the
The blocking function of one capacitor prevents the DC power supply from by the first capacitor, and is all transferred to rechargeable battery, for institute
Rechargeable battery is stated to charge.The data that exchange that charging box is transmitted with wireless headset cannot be by first inductive transmission to institute
Rechargeable battery is stated, but the wireless headset is transferred to by the first capacitor.Reach DC power supply and the exchange of transmission
The transmission of data is independent of each other, and realizes the multiplexing of the first data-interface.
In the embodiment of the present invention, by the way that the intracorporal earphone processing component of ear casing to be used for transmission to the pin of data, respectively
The first transistor circuit and the second transistor circuit are connected, conducting shape of the transistor circuit in different voltages is passed through
State realizes the switch operating of different data interface.And then data transmission can be thus achieved by first data-interface.
Reduce the external interface of earphone.Meanwhile original power interface is also passed through into the first inductance and the internal junction of first capacitor
The change of structure is linked into its data transmission interface namely the second data-interface, can reduce by an outside again in this way and connect
Data transmission and charging work can be thus achieved in mouth namely two external interfaces, realizes more preferably interface effect of optimization, also not
The transmission for influencing data reaches the multiple function multiplexing an of interface.
As one embodiment, first transistor circuit 403 involved in embodiment shown in fig. 5 includes:
One triode 4031 and the first pull-up resistor 4032；Second transistor circuit 404 include: the second triode 4041 and
Second pull-up resistor 4042；
The output pin of the earphone processing component 402 respectively with the base stage of first triode 4031 and described
The first end of one pull-up resistor 4032 connects；Input pin respectively with the collector of second triode 4041 and described
The first end of two pull-up resistors 4042 connects；
The transmitting collection ground connection of first triode 4031, collector are connect with the first end of the first capacitor 405；
The transmitting collection ground connection of second triode 4041, base stage are connect with the first end of the first capacitor 405；
The second end of the first capacitor 405 and the second end of first inductance 406 connect first data and connect
Mouth 409；The first end of first inductance 406 connects the rechargeable battery 407, the second end of second pull-up resistor 4042
The first power supply 410 is connect with the second end of first pull-up resistor 4032.
In the embodiment of the present invention, in the actual design of first transistor circuit and second transistor circuit,
The switch operating of data channel can be realized by the design of transistor circuit.It can also include pull-up in the transistor circuit
Resistance, the pull-up resistor can realize the pattern switching work of input/output interface, it can be made to keep away by connecting to power supply
The phenomenon that exempting from the data-transmission interruptions because of caused by pull-up resistor or pull-up resistor.
As shown in fig. 6, for a kind of another structural schematic diagram implemented of the charging box provided in the embodiment of the present invention, institute
Stating charging box may include
Charge box main body 601；The charging box main body 601 includes:
Charge shell 602；
It is set to the charging process component 603 to charge in shell 602, connects respectively with the charging process component 603
The third transistor circuit 604 and the 4th transistor circuit 605 that connect, respectively with the third transistor circuit 604 and described
Second capacitor 606 of the 4th transistor circuit 605 connection, the second inductance 607, the Yi Jiyu being connect with second capacitor 606
The charge power supply 608 that second inductance 607 connects；
It is set to the second ground interface 609 that the charging shell 602 is outer and connect with the charging process component 603,
And the second data-interface 610 being connect with second capacitor 606 and second inductance 607；
Wherein, second ground interface 609 and second data-interface 610 with wireless headset to connect；
The charging process component 603 by the third transistor circuit 604 and the second capacitor 606 with it is described wireless
Earphone establishes data transmitting channel；It is built by the 4th transistor circuit 605 and the second capacitor 606 with the wireless headset
Vertical data receiving channel；It is logical that charging is established by the charge power supply 608 and second inductance 607 and the wireless headset
Road.
Electronic module of the present invention is identical as embodiment part shown in Fig. 3, is no longer repeated herein.The present invention
Embodiment and embodiment shown in Fig. 3 the difference is that, the second inductance and the second capacitor are increased in the present embodiment, is led to
The addition of second inductance and the second capacitor is crossed, blocking can be handed over by the way that second capacitor is logical, pass through second electricity
Sense is logical directly every friendship.
The data transmitted in the charging shell are mostly AC signal, and the current signal that rechargeable battery provides is mostly direct current
Signal.The charge power supply of charging box provides DC power supply, is transferred to earphone by the logical straight function of the second inductance, and passes through the
The blocking function of two capacitors prevents the DC power supply from by second capacitor, and is all transferred to earphone, is the ear
Machine charges.The data that exchange that charging box is transmitted with wireless headset cannot be by second inductive transmission to the charging electricity
Source part, but pass through the charging process component of second capacitive transmission to the charging box.Reach the DC power supply of transmission
And the transmission of exchange data is independent of each other, and realizes the multiplexing of the second data-interface.
Optionally, the charge power supply can be+5V DC power supply.The charge power supply can will be described by power supply chip
The unstable voltage that battery in charging box provides is converted to stable 5V direct current.
In embodiment of the present invention, original power interface is passed through into the first inductance and the internal junction of first capacitor
The change of structure is linked into its data transmission interface namely the second data-interface, can reduce by an outside again in this way and connect
Data transmission and charging work can be thus achieved in mouth namely two external interfaces, realizes more preferably interface effect of optimization, also not
The transmission for influencing data reaches the multiple function multiplexing an of interface.
As one embodiment, the third transistor circuit of the charging box in described Fig. 6 includes: third transistor and
Three pull-up resistors；4th transistor circuit includes: the 4th triode and the 4th pull-up resistor；
The output pin of the charging process component is pulled up with the base stage of the third transistor and the third respectively
The first end of resistance connects；Input pin respectively with the collector of the 4th triode and the 4th pull-up resistor
One end connection；
The transmitting collection ground connection of the third transistor, collector are connect with the first end of second capacitor；
The transmitting collection ground connection of 4th triode, base stage are connect with the first end of second capacitor；
The second end of second capacitor and the second end of second inductance connect second data-interface；It is described
The first end of second inductance connects the charge power supply, the second end of the third pull-up resistor and the 4th pull-up resistor
Second end connects the second power supply.
The third transistor and the 4th triode can be quickly digital triode, the quick number
The frequency response range of triode is wider, can obtain preferable amplification effect, reaches the mesh of accurate detection circuit level change
Mark.
As a kind of possible implementation, it is high-impedance state that the charging process component, which controls the input pin, defeated
Pin works normally out, establishes data transmitting channel with the wireless headset；Controlling the output pin is high-impedance state, input
Pin works normally, and establishes data receiving channel with the wireless headset.
The charging process component can be by detecting the level state of the input pin or the level of output pin
State judges the switching of data-transmission mode in the work of the charging box and wireless headset, can for the input pin with
And the operating mode of input pin realizes switching, data or hair can also be normally received when reducing by an external interface
Send data.
As another possible implementation, the charging box can also include:
Charge bleeder circuit；
The base stage of the collector of the third transistor and the 4th triode is connected by the charging bleeder circuit
Connect second data-interface.
The charging bleeder circuit may include third divider resistance, the 4th divider resistance and charging dividing voltage supply；Institute
Steady dc voltage can be provided by stating charging dividing voltage supply.The first end of the third divider resistance connects charger assembled by several branch piezoelectricity
The first end of source, the second end of the third divider resistance and the 4th divider resistance connects second data-interface,
The second end of 4th divider resistance is grounded.The second end ground connection of the charging divider resistance can refer to that the end connects low electricity
It is flat.The third divider resistance and the 4th divider resistance are series system connection, can be by the charging dividing voltage supply
Voltage divided accordingly according to its capacitance size, dividing point is the second end of the third divider resistance and described
Tie point at the first end of 4th divider resistance.
It can be provided accordingly for the collector of third transistor and the base stage of the 4th triode by above-mentioned bleeder circuit
Voltage, the voltage of the third transistor and the 4th triode can be made to be in stable voltage status, pass through the electricity
Stable operation is pressed, can achieve the purpose of protection transistor circuit.
In the embodiment of the present invention, in the actual design of the third transistor circuit and the 4th transistor circuit,
The switch operating that data channel can be realized by the design of transistor circuit, reduces by a data-interface.Also by by power supply
Interface and data-interface pass through the mating reaction of the second capacitor and the second inductance, to reduce by an external interface again, namely
Data transmission and charging work can be thus achieved in two external interfaces, realizes more preferably interface effect of optimization, nor affects on number
According to transmission, reach an interface multiple function multiplexing.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include non-temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions are to implement better embodiment of the invention, so the description be for the purpose of illustrating rule of the invention,
The range being not intended to limit the invention.Protection scope of the present invention is as defined by the appended claims.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (10)
1. a kind of wireless headset, which is characterized in that including at least one headset main body；Wherein, each headset main body includes:
Earphone case；
It is set to the intracorporal earphone processing component of the ear casing, and the one or three be separately connected with the earphone processing component
Pole pipe circuit and the second transistor circuit；
It is set to the first ground interface and the first power interface that the earphone case is outer and connect with the earphone processing component,
And the first data-interface being connect respectively with first transistor circuit and second transistor circuit；
Wherein, first power interface, the first ground interface and first data-interface with charging box to connect；
The earphone processing component establishes data transmitting channel by first transistor circuit and the charging box；Pass through institute
It states the second transistor circuit and the charging box establishes data receiving channel.
2. earphone according to claim 1, which is characterized in that first transistor circuit include: the first triode with
And first pull-up resistor；Second transistor circuit includes: the second triode and the second pull-up resistor；
The output pin of the earphone processing component respectively with the base stage of first triode and first pull-up resistor
First end connection；The input pin first end with the collector of second triode and second pull-up resistor respectively
Connection；
The transmitting collection ground connection of first triode, collector are connect with first data-interface；
The transmitting collection ground connection of second triode, base stage are connect with first data-interface；
The second end of first pull-up resistor connect the first power supply with the second end of second pull-up resistor.
3. earphone according to claim 2, which is characterized in that it is height that the earphone processing component, which controls the input pin,
Resistance state, output pin work normally, and establish data transmitting channel with the charging box；Controlling the output pin is high resistant shape
State, input pin work normally, and establish data receiving channel with the charging box.
4. earphone according to claim 2, which is characterized in that further include bleeder circuit；
The base stage of the collector of first triode and second triode connects first number by bleeder circuit
According to interface.
5. earphone according to claim 1, which is characterized in that the charging box includes: charging box main body, the charging box
Main body includes:
Charge shell；
It is set to the intracorporal charging process component of charging shell, and the three or three be separately connected with the charging process component
Pole pipe circuit and the 4th transistor circuit；
It is set to the second ground interface and second source interface that the charging shell is outer and connect with the charging process component,
And the second data-interface being connect respectively with the third transistor circuit and the 4th transistor circuit；
Wherein, the second source interface, the second ground interface and second data-interface with the earphone to connect；
The charging process component establishes data transmitting channel by the third transistor circuit and the earphone；By described
4th transistor circuit and the earphone establish data receiving channel.
6. a kind of charging box, which is characterized in that the charging box includes: charging box main body, and the charging box main body includes:
Charge shell；
It is set to the intracorporal charging process component of charging shell, and the three or three be separately connected with the charging process component
Pole pipe circuit and the 4th transistor circuit；
It is set to the second ground interface and second source interface that the charging shell is outer and connect with the charging process component,
And the second data-interface being connect respectively with the third transistor circuit and the 4th transistor circuit；
Wherein, the second source interface, the second ground interface and second data-interface with wireless headset to connect；
The charging process component establishes data transmitting channel by the third transistor circuit and the wireless headset；Pass through
4th transistor circuit and the wireless headset establish data receiving channel.
7. a kind of wireless headset characterized by comprising at least one headset main body；Wherein, each headset main body includes:
Earphone case；
The first triode for being set to the intracorporal earphone processing component of the ear casing, being separately connected with the earphone processing component
Circuit and the second transistor circuit, first connect respectively with first transistor circuit and second transistor circuit
Capacitor, the first inductance being connect with the first capacitor and the rechargeable battery with first inductance connection；
Be set to the first ground interface that the earphone case is outer and connect with the earphone processing component, and respectively with it is described
First data-interface of first capacitor and first inductance connection；
Wherein, first ground interface and first data-interface with charging box to connect；
The earphone processing component establishes data hair by first transistor circuit and first capacitor and the charging box
Send channel；Data receiving channel is established by second transistor circuit and first capacitor and the charging box；Pass through institute
It states rechargeable battery and first inductance and the charging box establishes charge tunnel.
8. earphone according to claim 7, which is characterized in that first transistor circuit include: the first triode with
And first pull-up resistor；Second transistor circuit includes: the second triode and the second pull-up resistor；
The output pin of the earphone processing component respectively with the base stage of first triode and first pull-up resistor
First end connection；The input pin first end with the collector of second triode and second pull-up resistor respectively
Connection；
The transmitting collection ground connection of first triode, collector are connect with the first end of the first capacitor；
The transmitting collection ground connection of second triode, base stage are connect with the first end of the first capacitor；
The second end of the first capacitor and the second end of first inductance connect first data-interface；Described first
The first end of inductance connects the rechargeable battery, the second end of second pull-up resistor and the second of first pull-up resistor
The first power supply of end connection.
9. a kind of charging box characterized by comprising charging box main body；The charging box main body includes:
Charge shell；
The third transistor for being set to the intracorporal charging process component of the charging shell, being separately connected with the charging process component
Circuit and the 4th transistor circuit, second connect respectively with the third transistor circuit and the 4th transistor circuit
Capacitor, the charge power supply with the second inductance of second capacitance connection and with second inductance connection；
It is set to the second ground interface that the charging shell is outer and connect with the charging process component, and with described second
Second data-interface of capacitor and second inductance connection；
Wherein, second ground interface and second data-interface with wireless headset to connect；
The charging process component establishes data by the third transistor circuit and the second capacitor and the wireless headset
Sendaisle；Data receiving channel is established by the 4th transistor circuit and the second capacitor and the wireless headset；It is logical
It crosses the charge power supply and second inductance and the wireless headset establishes charge tunnel.
10. charging box according to claim 9, which is characterized in that the third transistor circuit includes: third transistor
And third pull-up resistor；4th transistor circuit includes: the 4th triode and the 4th pull-up resistor；
The output pin of the charging process component respectively with the base stage of the third transistor and the third pull-up resistor
First end connection；The input pin first end with the collector of the 4th triode and the 4th pull-up resistor respectively
Connection；
The transmitting collection ground connection of the third transistor, collector are connect with the first end of second capacitor；
The transmitting collection ground connection of 4th triode, base stage are connect with the first end of second capacitor；
The second end of second capacitor and the second end of second inductance connect second data-interface；Described second
The first end of inductance connects the charge power supply, the second end of the third pull-up resistor and the second of the 4th pull-up resistor
The second power supply of end connection.
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| CN108494058B (en) * | 2018-05-02 | 2021-03-30 | 歌尔股份有限公司 | Charging box circuit of wireless earphone, wireless earphone and earphone charging communication device |
| CN109547884A (en) * | 2018-09-29 | 2019-03-29 | 恒玄科技（上海）有限公司 | Charging bluetooth earphone box system and bluetooth headset test macro |
| CN109348333B (en) * | 2018-10-25 | 2024-08-23 | 钰太芯微电子科技（上海）有限公司 | Novel wire control earphone |
| CN109462262A (en) * | 2018-11-09 | 2019-03-12 | 歌尔科技有限公司 | A kind of wireless headset charging method, system and charging box and storage medium |
| CN109640207B (en) * | 2018-12-24 | 2020-05-01 | 歌尔科技有限公司 | Communication control method, device and system, charging box and wireless earphone |
| CN110446133B (en) * | 2019-08-15 | 2024-06-18 | 厦门亿联网络技术股份有限公司 | Wireless earphone system, wireless earphone and base |
| 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 |
| CN111405404A (en) * | 2020-03-20 | 2020-07-10 | 歌尔股份有限公司 | TWS earphone communication device, system and charging box |
| CN112566003A (en) * | 2020-12-23 | 2021-03-26 | 深圳市卓翼科技股份有限公司 | Earphone testing method, system, testing terminal and storage medium |
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| CN201758439U (en) * | 2010-07-23 | 2011-03-09 | 惠州Tcl移动通信有限公司 | Micro-USB interface device shared by earphones and USB |
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