CN209710283U - The charging unit and earphone of electronic equipment - Google Patents
The charging unit and earphone of electronic equipment Download PDFInfo
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- CN209710283U CN209710283U CN201920669906.0U CN201920669906U CN209710283U CN 209710283 U CN209710283 U CN 209710283U CN 201920669906 U CN201920669906 U CN 201920669906U CN 209710283 U CN209710283 U CN 209710283U
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- electronic equipment
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Abstract
Present disclose provides the charging units of a kind of electronic equipment, comprising: the first contact is contacted for the first charging contact with electronic equipment；Second contact is contacted for the second charging contact with electronic equipment, by the first contact and the second contact, respectively with the first charging contact of electronic equipment and contacting with each other for the second charging contact, to be charged by charging unit to electronic equipment；And third contact, for being contacted with the data of electronic equipment transmission contact, to transmit the contact of contact with data by third contact to realize that the data between electronic equipment and charging unit are transmitted.The disclosure additionally provides a kind of earphone.
Description
Technical field
This disclosure relates to the charging unit and earphone of a kind of electronic equipment.
Background technique
Ear is completed in the mode of earphone leg design charging PIN used by current some earphones, usually only two contacts
The demand of machine charging, but this scheme is not able to satisfy the function of data acquisition.In the prior art, 4 PIN are usually used
To realize the function of charging and data acquisition.
Further, if directly increasing a contact on the basis of two contacts, stablize in order to ensure contact contacts
Need to increase the biggish magnet of volume, for example, be arranged in around the corresponding position in earphone leg of charging box etc., pass through magnetic
Tense the contact of earphone and charging box.In this way, having biggish challenge for headset designs, earphone size increase will lead to
Or the problems such as battery space reduction.
Utility model content
In order to solve the above-mentioned technical problem at least one of, present disclose provides the charging unit of a kind of electronic equipment and
Earphone.
According to one aspect of the disclosure, the charging unit of a kind of electronic equipment, comprising: the first contact, for it is described
First charging contact of electronic equipment contacts；Second contact contacts for the second charging contact with the electronic equipment, passes through
First contact and the second contact, respectively the phase mutual connection with the first charging contact of the electronic equipment and the second charging contact
Touching, to be charged by the charging unit to the electronic equipment；And third contact, for the electronic equipment
Data transmit contact contact, to transmit the contact of contact with the data by the third contact to realize that the electronics is set
The standby data transmission between the charging unit.
According to some embodiments of the disclosure, first contact and first charging contact by magnetic attraction come
It is contacted, second contact is contacted with second charging contact by magnetic attraction.
According to some embodiments of the disclosure, the third contact and the data transmit contact Elastic Contact.
According to some embodiments of the disclosure, first contact and second contact are located at the third touching
The opposite sides of point.
According to some embodiments of the disclosure, first charging contact and second charging contact are by magnet system
At first contact is with second contact by that can be made by the metal material that magnet attracts.
According to some embodiments of the disclosure, the contact between first contact and first charging contact is rigid
Property contact and contact between second contact and second charging contact be rigid contact.
When the third contact and data transmission contact contact, the third contact is able to carry out elastic shrinkage.
According to some embodiments of the disclosure, the third contact is to play needle.
According to some embodiments of the disclosure, first contact and first charging contact by magnetic attraction come
Progress rigid contact and second contact and second charging contact carry out the feelings of rigid contact by magnetic attraction
Under condition, pass through first contact and the first charging contact magnetic attracting force and second contact and second charging
Contact magnetic attracting force, so that the third contact and data transmission contact carry out Elastic Contact.
According to some embodiments of the disclosure, the electronic equipment is earphone, and the charging unit is charging box, described
First contact, the second contact and third contact are located in the earphone ac slot of the charging box, first charging contact, second
Charging contact and data transmission contact are arranged on the shell of the earphone.
According to some embodiments of the disclosure, first charging contact, the second charging contact and data transmit contact
The surface of leg housing to the earphone is set, and first contact, the second contact and third contact are located at described fill
The bottom of the earphone leg holding tank of electric box.
According to another aspect of the present disclosure, a kind of earphone, which is characterized in that the earphone and above-mentioned charging unit are suitable
Match, the earphone include shell and setting first charging contact on the housing, second charging contact and
The data transmit contact.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the schematic diagram according to the earphone of one embodiment of the disclosure.
Fig. 2 is the earphone internal circuit schematic block diagram according to one embodiment of the disclosure.
Fig. 3 is the schematic diagram according to the charging box of one embodiment of the disclosure.
Fig. 4 is the cross-sectional view of the charging box and earphone according to one embodiment of the disclosure.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The technical solution of the disclosure will be described by taking earphone and charging box as an example below, it is however noted that, this public affairs
The technical solution opened can be adapted for other electronic equipments in addition to earphone and charging box etc..
As shown in Figure 1, earphone 10 may include the whole or at least part of shell and shell content to form its appearance
Each electronic component received, shell can be formed by the combination of single material or multiple material, such as shell may include nonmetallic
The material of material or metal material, such as plastics, metal, carbon fiber, other fibre compositions, ceramics, glass, woodwork or combinations thereof
Material is formed.It may include head 1 and leg 2 from the point of view of the outside of earphone, wherein when earphone is worn on ear, head
Portion 1 can be placed in ear canal or near ear canal, and leg 2 can be attached to the face close to ear canal.
Such as shown in Fig. 2, each electronic component accommodated in shell can include but is not limited to telecommunication circuit C10, antenna
C11, input equipment C20, sensor C30, audio frequency processing circuit C40, memory C50, energy management circuit C60, battery C70 with
And processor C80.
According to some embodiments of the disclosure, telecommunication circuit C10 can pass through the shifting of antenna C11 and such as smart phone
Dynamic terminal is communicated.For example, telecommunication circuit C10 can receive wireless signal from antenna C11 when receiving wireless signal, and
And send processor C80 after converting wireless signal to.Processor C80 can handle the signal received, and can correspond to
Earphone 1 controlled in the signal received.When sending wireless signal, processor C80 can be generated signal and to logical
Believe circuit C10 output, telecommunication circuit C10 can be received from processor C80, and the signal received can be converted to nothing by signal
Line signal, and wireless signal can be sent by antenna C11.According to some embodiments of the disclosure, telecommunication circuit C10 can
To support the wire communication with external equipment.Telecommunication circuit C10 may be electrically connected to the contact portion (example that the surface of shell is arranged in
Such as contact), when earphone contacts external equipment, the contact portion of earphone may be electrically connected to the contact portion of external equipment, to come
Realize communication.
Antenna C11 can support various types of communications.For example, Wireless Fidelity (Wi-Fi), bluetooth, near-field communication
(NFC), Global Navigation Satellite System (GNSS), long term evolution (LET), LTE- advanced (LTE-A), CDMA (CDMA), width
Band CDMA (WCDMA), Universal Mobile Telecommunications System (UMTS), WiMAX (WiBro) or global system for mobile communications (GSM).
Various input signals needed for input equipment C20 can be configured as generation operation earphone.Input equipment C20 can be with
Including touch tablet, button etc..Touch tablet can be come at least one of for example capacitive, pressure sensitive, infrared type or ultrasonic-type
Identify touch input, thus identification can in the state that earphone is worn the gesture input of finger on a touchpad.Button can
To include such as physical button or optics key.
Sensor C30 can measure physical quantity or can sense the mode of operation of earphone.Sensor C30 can will be surveyed
Information that is measuring or sensing is converted to electric signal.Sensor C30 may include for example optical sensor, motion sensor,
Acceleration transducer, geomagnetic field sensors, Magnetic Sensor, proximity sensor, gesture sensor, holds biography at gyro sensor
Sensor or biometric sensor etc..
Audio frequency processing circuit C40 can support audio data collection function.Audio frequency processing circuit C40, which can reproduce, to be received
The audio data of collection.According to some embodiments of the disclosure, audio decoder can be by telecommunication circuit C10 from external equipment
It receives audio data and is stored in memory C50.Loudspeaker C42 can export the analog audio signal after conversion.
According to some embodiments of the disclosure, audio frequency processing circuit C40 is also designed as being included in processor C80
In.
Memory C50 can store for example corresponding with various operating systems needed for operation earphone or various user functions
Data, application and algorithm.
Energy management circuit C60 can effectively manage and optimize the electricity usage of the battery C70 in earphone.According to this public affairs
The some embodiments opened, according to load to be processed, processor C80 can be sent according to load to energy management circuit C60
Signal.The electric power of the adjustable supply of energy management circuit C60.
Energy management circuit C60 may include battery charger.According to some embodiments of the disclosure, when earphone coupling
When being connected to external equipment, energy management circuit C60 can be by receiving the electric power provided from external equipment come the battery to earphone
C70 charges.
According to some embodiments of the disclosure, it is related with audio data each that processor C80 can be configured as processing
Kind signal stream, information collection, output etc..
Processor C80 can support the various operations based on user's input from input equipment C20.According to the disclosure
Some embodiments, processor C80 can open or close earphone according to user's input.Processor C80 can be according to user
Earphone is communicatively connected to external equipment by input.Processor C80 can be inputted from external equipment according to user and be received audio data
Or audio data is sent to external equipment.According to some embodiments of the disclosure, processor C80 can reproduce audio data
Or according to user's input control reproduce (for example, reproduce start, reproduces pause, reproduce stopping, reproduction speed control, reproduced volume
Control is mute with audio data).Processor C80 can via telecommunication circuit C10 from external equipment (for example, server, intelligence
Phone, PC, PDA or access point) audio data is received, and the audio data received is stored in memory C50.According to
Some embodiments of the disclosure, processor C80 can reproduce the audio data being stored in memory C50, and can lead to
Cross the audio data that loudspeaker C42 output reproduces.Processor C80 can be with decoding audio data to obtain audio signal.Processor
C80 can export acquired audio signal by loudspeaker C42.
According to some embodiments of the disclosure, processor C80 can receive audio signal and be passed through from external equipment
The audio signal or can will be converted by the received analoging sound signal of microphone C41 that loudspeaker C42 output receives
Digital signal.Processor C80 can execute various operations based on the information obtained from sensor C30.
According to some embodiments of the disclosure, earphone can also include various modules according to its type provided.Due to
Greatly according to the variation of the convergence of digital device, so variation is not enumerated all, but with said modules etc.
Same component can also be included in earphone.It will be understood by those of skill in the art that according to some embodiment party of the disclosure
Formula, some or certain components can be omitted or can be replaced by other component from above-mentioned component.
As a kind of example of earphone charging unit, the charging box as charging unit may include to form its appearance whole
Each electronic component accommodated in body or at least part of shell and shell, shell can be by the group of single material or multiple material
Close and formed, such as shell may include nonmetallic materials or metal material, for example, plastics, metal, carbon fiber, other fibers at
Point, the material of ceramics, glass, woodwork or combinations thereof formed.
Each electronic component accommodated in charging box shell can include but is not limited to data transmission circuit, memory, power supply
Manage circuit, battery and processor.
Charging box can pass through data transmission circuit from external equipment (for example, server, intelligence by wired or wireless way
Energy phone, PC, PDA or access point) it receives data or sends data etc. to external equipment.By logical between charging box and earphone
Control instruction can be sent to earphone by letter, also can receive the data in earphone.
Memory can be used for storing the data etc. that charging box is obtained from external equipment, and can also be from paired
Data etc. are received in earphone, memory also can store program etc..
Electric power management circuit can be used for managing the electric energy of external power supply input, by being turned externally input electric energy
It changes, and by the power storage after conversion into battery.Wherein charging box can be by wired mode or wireless mode from outside
Power supply receives electric energy.In addition, the electric energy that storage stores in the battery can be transmitted to the battery of earphone by electric power management circuit
In, to realize the charging to earphone.
Processor can be used for controlling data transmission circuit, for receiving or sending data from external equipment and/or earphone
To external equipment and/or earphone, processor can be used for controlling the data transmission etc. of memory and external equipment or earphone, and
It can be used for controlling electric power management circuit etc..In addition, in the disclosure, the function of data transmission circuit and electric power management circuit can
To be realized by processor.
According to one embodiment of the disclosure, provide can a kind of electronic equipment charging unit.Below with reference to Fig. 1,3 and
4, it is illustrated by taking earphone and the charging box being adapted to earphone as an example, Fig. 3 shows the view when opening of charging box, and schemes
4 cross-sectional views for showing earphone and charging box internal structure shown when earphone is fitted into charging box.But this field
It will be appreciated by the skilled person that content as described below is equally applicable to other suitable electronic equipments, such as suitable for such as hand
The mobile terminal of machine and corresponding charging unit etc..
Charging box 20 may include shell, battery, battery management unit, processor etc..Processor can also wherein be passed through
To realize the function of battery management unit.Charging box 20 can be charged by interface by external power supply for its battery, and
And it can be charged by its battery for earphone.
As shown in figure 3, an exemplary charging box 20 as charging unit may include the first contact 21, the second contact
22 and third contact 23.
First contact 21 can be used for being contacted with the first charging contact 11 of the earphone 10 as electronic equipment, and
And second contact 22 can be contacted with the second charging contact 12 of earphone 10, in this way, when the first contact 21 and the second contact 22 with
After first charging contact 11 and the second charging contact 12 form contact, it may be implemented to charge by charging box 20 for earphone 10
Function.
Third contact 23, which can be used for transmitting contact 13 with the data of earphone 10, to be contacted, to pass through third contact 23
With the contact of data transmission contact 13, the data transmission function such as the data between Lai Shixian earphone 10 and charging box 20 send and receive
Energy.
First contact 21 and the second contact 22 pass through the magnetism between the first charging contact 11 and the second charging contact 12
Attraction contacts respectively to realize, and third contact 23 and data transmission contact 13 can then carry out Elastic Contact.First contact
21 and first charging contact 11 rigid contact is carried out by magnetic attraction and the second contact 22 and the second charging contact 12 are logical
Magnetic attraction is crossed come in the case where carrying out rigid contact, by the first contact 21 and 11 magnetic attracting force of the first charging contact with
12 magnetic attracting force of second contact 22 and the second charging contact, so that third contact 23 and data transmission contact 13 carry out elastic connecting
Touching.
Contact 13 will be transmitted to the first charging contact 11, the second charging contact 12 and data below to be described in detail.
The shell in earphone 10 can be set in first charging contact 11, second charging contact 12 and data transmission contact 13
It on surface, and can be the form of metal bosses or stainless steel substrates etc., can slightly be protruded from the surface of shell of earphone 10
Or it is flushed with surface of shell.First charging contact 11, the second charging contact 12 and data transmission contact 13 can be electrically connected (example
Such as patch) on the printed circuit board of such as flexible circuit board (FPC) of earphone 10, and by the circuit of flexible circuit board come
Realization is electrically connected with other electronic components in earphone 10.For example, the first charging contact 11, the second charging contact 12 and data
Transmission contact 13 can be set on the surface of shell of the leg of earphone.
The first contact 21, the second contact 22 and third contact 23 will be described in detail below.
The charging box shell in earphone placement region can be set in first contact 21, the second contact 22 and third contact 23
On, and can be connect with the printed circuit board of charging box 20, so that other electronic components with charging box 20 are electrically connected.
First contact 21 and the second contact 22 can be located at the two sides of third contact 23, i.e., third contact 23 can be located at the
Between one contact 21 and the second contact 22, optionally three can be arranged collinearly, similarly, the first charging contact 11 and second
Charging contact 12 can also be located at the two sides of data transmission contact 13, and collinear can be arranged.According to the embodiment party of the disclosure
Formula can also include other contacts to realize other functions, and other contacts can also be located at the first contact 21 and the second touching
Between point 22, at this point, earphone also correspondingly may include contact corresponding with the other contacts.
Contact between first contact 21 and the first charging contact 11 can be rigid contact, and the second contact 22 is filled with second
Contact between electric contact 12 may be rigid contact.First contact 21 and the first charging contact 11, the second contact 22 and
Two charging contacts 12 can be made of magnetic material, and mutual magnetic attraction may be implemented in this way.For example, the first contact 21
It can be made of magnet with the second contact 22, and the first charging contact 11 and the second charging contact 12 then can be by metal iron plates
Etc. being made.Third contact 23 and data transmission contact 13 are Elastic Contact, in one embodiment of the present disclosure, data transmission touching
Point 13 is the form of metal bosses, and third contact 23 can be the form of elastic component, for example, third contact 23 can be bullet needle
Form, for example including thimble, spring and sleeve, thimble is located at upside and the spring in sleeve can be pushed to be pressed
Contracting.When third contact 23 is squeezed by data transmission contact 13, third contact 23 can shrink and can keep transmitting with data
The close contact of contact 13.
The earphone ac in the receiving earphone of charging box can be set in first contact 21, the second contact 22 and third contact 23
The bottom of slot 24, and be in when being put into earphone, at position corresponding with the contact of earphone.First contact 21 and the second touching
Point 22 can be flushed or be protruded with the bottom surface of earphone ac slot 24 a little, and third contact 23 can be from earphone ac slot
24 bottom surface is prominent.According to one embodiment of the disclosure, charging box may include two earphone ac slots 24, and point
Not Fang Zhi two earphones, the first contact 21, the second contact 22 and third contact 23 are equipped in two earphone ac slots 24.
It charges respectively with the first charging contact 11, second one end of first contact 21, the second contact 22 and third contact 23
Contact 12 and data transmission contact 13 contact, and the other end of the first contact 21, the second contact 22 and third contact 23 can electricity
It is connected to the printed circuit board of charging box, to be electrically connected to the corresponding electronic component of charging box, such as the first contact 21, second
The other end of contact 22 and third contact 23 can be electrically connected on circuit board, furthermore touch to reinforce fixed such as formation first
The side wall of point 21 and the metal bosses of the second contact 22 can be securely arranged to shell, such as the modes such as insertion, and shape
Side wall at the sleeve of the bullet needle of third contact 23 can also be securely arranged on shell, such as insertion etc..
After earphone is put into earphone ac slot 24, the wall of earphone and earphone ac slot 24 can be interference fitted, and charged
Compressed part is arranged in the upper cover of box and the corresponding position of earphone ac slot 24, and after covering upper cover, which can be by earphone
It is pressed in earphone ac slot 24.The compressed part can be made of the elastic material of silica gel etc., and can be set and be
In the slot of the corresponding upper cover of earphone ac slot 24.
According to the technical solution of the disclosure, the first contact and the first charging contact carry out rigid contact by magnetic attraction
And in the case that the second contact and the second charging contact carry out rigid contact by magnetic attraction, pass through the first contact and the
One charging contact magnetic attracting force and the second contact and the second charging contact magnetic attracting force, so that third contact and data are transmitted
Contact carries out Elastic Contact.
According to the disclosure specific implementation, design for contact in charging box can be convex for two metals
Platform and between a bullet needle form, pass through the magnetic force rigid contact of metal bosses at both ends and the metal bosses of earphone, it is intermediate
Locate the Elastic Contact of the metal bosses for playing needle and earphone of charging box, in this way can to avoid caused by See-saw effect one of them
The synchronism stability contact of three contacts is used and realized to the risk that contact cannot steadily contact, word.
When earphone is put into charging box, pass through the magnetic of two charging contacts of two charging contacts and charging box of earphone
Property attract earphone be introduced into earphone ac slot, introducing is realized by the magnetic attraction between contact in this way, save earphone and
The space of saving can be used to increase battery capacity by the inner space of charging box in this way, after promoting earphone and charging box charging
Use the time, also can reduce the size of charging box.
According to another embodiment of the disclosure, a kind of earphone is additionally provided, which can be suitable with above-mentioned charging unit
Match, earphone may include shell and above-mentioned first charging contact being arranged on shell, the second charging contact and data transmission
Contact.First charging contact, the second charging contact and data transmission contact can connect by flexible print circuit to inside electricity
On subassembly, so as to realize the functions such as charging and data transmission.
In the description of this specification, reference term " one embodiment/mode ", " some embodiment/modes ", " show
The description of example ", " specific example " or " some examples " etc. means to combine the specific spy of the embodiment/mode or example description
Sign, structure, material or feature are contained at least one embodiment/mode or example of the application.In the present specification, right
The schematic representation of above-mentioned term is necessarily directed to identical embodiment/mode or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more way of example or example.This
Outside, without conflicting with each other, those skilled in the art can be by different embodiment/modes described in this specification
Or example and different embodiment/modes or exemplary feature are combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Description of symbols
1 head
2 legs
10 earphones
11 first charging contacts
12 second charging contacts
13 data transmit contact
20 charging boxes
21 first contacts
22 second contacts
23 third contacts
24 earphone ac slots
C10 telecommunication circuit
C11 antenna
C20 input equipment
C30 sensor
C40 audio frequency processing circuit
C41 microphone
C42 loudspeaker
C50 memory
C60 energy management circuit
C70 battery
C80 processor.
Claims (10)
1. the charging unit of a kind of electronic equipment characterized by comprising
First contact is contacted for the first charging contact with the electronic equipment；
Second contact is contacted for the second charging contact with the electronic equipment, by first contact and the second contact,
Respectively with the first charging contact of the electronic equipment and contacting with each other for the second charging contact, pass through the charging unit pair
The electronic equipment charges；And
Third contact, for being contacted with the data of electronic equipment transmission contact, thus by the third contact with it is described
Data transmission contact contacts to realize that the data between the electronic equipment and the charging unit are transmitted.
2. device as described in claim 1, which is characterized in that first contact and first charging contact pass through magnetism
Attract to be contacted, second contact is contacted with second charging contact by magnetic attraction.
3. device as claimed in claim 2, which is characterized in that the third contact and the data transmit contact elastic connecting
Touching.
4. device as claimed in claim 3, which is characterized in that first contact and second contact are located at described
The opposite sides of third contact.
5. device according to any one of claims 1 to 4, which is characterized in that first charging contact and described second
Charging contact is made of magnet, and first contact is with second contact by that can be made by the metal material that magnet attracts.
6. device as claimed in claim 5, which is characterized in that connecing between first contact and first charging contact
Touching is that the contact between rigid contact and second contact and second charging contact is rigid contact；And
When the third contact and data transmission contact contact, the third contact is able to carry out elastic shrinkage.
7. device as claimed in claim 6, which is characterized in that the third contact is to play needle.
8. device as claimed in claims 6 or 7, which is characterized in that first contact passes through with first charging contact
Magnetic attraction carries out just to carry out rigid contact and second contact and second charging contact by magnetic attraction
Property contact in the case where, pass through first contact and the first charging contact magnetic attracting force and second contact and institute
The second charging contact magnetic attracting force is stated, so that the third contact and data transmission contact carry out Elastic Contact.
9. device according to any one of claims 1 to 4, which is characterized in that the electronic equipment is earphone, the charging
Device is charging box,
First contact, the second contact and third contact are located in the earphone ac slot of the charging box, first charging
Contact, the second charging contact and data transmission contact are arranged on the shell of the earphone.
10. a kind of earphone, which is characterized in that the earphone and charging unit as claimed in any one of claims 1-9 wherein are suitable
Match, the earphone include shell and setting first charging contact on the housing, second charging contact and
The data transmit contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669906.0U CN209710283U (en) | 2019-05-11 | 2019-05-11 | The charging unit and earphone of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669906.0U CN209710283U (en) | 2019-05-11 | 2019-05-11 | The charging unit and earphone of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710283U true CN209710283U (en) | 2019-11-29 |
Family
ID=68649492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920669906.0U Active CN209710283U (en) | 2019-05-11 | 2019-05-11 | The charging unit and earphone of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710283U (en) |
-
2019
- 2019-05-11 CN CN201920669906.0U patent/CN209710283U/en active Active
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