CN205790839U - A kind of earphone joint - Google Patents

A kind of earphone joint Download PDF

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Publication number
CN205790839U
CN205790839U CN201620510689.7U CN201620510689U CN205790839U CN 205790839 U CN205790839 U CN 205790839U CN 201620510689 U CN201620510689 U CN 201620510689U CN 205790839 U CN205790839 U CN 205790839U
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China
Prior art keywords
socket
stitch
plug
type
line
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CN201620510689.7U
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Chinese (zh)
Inventor
曹新放
李君龙
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Goertek Inc
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Goertek Inc
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Priority to CN201620510689.7U priority Critical patent/CN205790839U/en
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Abstract

The utility model discloses a kind of earphone joint, including Type C plug, socket end and the connecting line connecting shown Type C plug and socket end, connecting line includes L channel line, R channel line, microphone lines and ground wire, socket end has 3.5mm socket, and two D+ stitch of Type C plug are all connected with the R channel contact of 3.5mm socket through R channel line;Two D stitch of Type C plug are all connected with the L channel contact of 3.5mm socket through L channel line;One SBU stitch of Type C plug is connected with the mike contact of 3.5mm socket through microphone lines;Another SBU stitch of Type C plug is connected through the earthing contact of ground wire with 3.5mm socket.So, when the electronic equipments such as mobile phone are provided only with Type C interface, 3.5mm plug earphone can be used by Type C interface, it is to avoid the waste of 3.5mm plug earphone.

Description

A kind of earphone joint
Technical field
This utility model relates to earphone joint field, more specifically, this utility model relates to one is provided with Type-C Plug and the earphone joint of 3.5mm socket.
Background technology
Along with the mobile phone of band Type-C interface gradually increases, Type-C interface can compatible audio signals, support Type-C The earphone of interface also gets more and more, but Type-C plug earphone is different, each from the headset plug of standard 3.5mm plug earphone Can only be independently operated, incompatible.
Due to the application of new technique, cause the defect of versatility, owing to quickly updating of the old and new's technology is caused Type-C plug earphone and the simultaneous situation of 3.5mm plug earphone.
Type-C interface on mobile phone only supports the earphone of Type-C interface at present, but has more plurality of earphone to use 3.5mm Plug, the two is different due to plug, it is impossible to compatible, causes a large amount of 3.5mm plug earphone can not be used by Type-C interface, shape Become the wasting of resources.
The basic structure of Type-C interface will be first explained below.
The maximum feature of Type-C interface is to support from tow sides the most insertable " positive anti-plug " function, its A face and B face Respectively having 12 stitch, the layout of each stitch is as shown in table 1:
Table 1:
Wherein, TX1+, TX1-, RX1+, RX1-, TX2+, TX2-, RX2+, RX2-are four pairs of differential signal stitch, and GND is Ground pin, D+, D-are the USB differential signal stitch for compatible USB2.0, and VBUS is power supply stitch, and CC1, CC2 are for being used for Detecting the stitch of positive anti-plug, differentiation principal and subordinate, configuration voltage of VBUS etc., SBU1, SBU2 are bus stitch.
Utility model content
One purpose of this utility model embodiment is to provide a kind of earphone being provided with Type-C plug and 3.5mm socket Adaptor.
According to first aspect of the present utility model, it is provided that a kind of earphone joint, including Type-C plug, socket end, And Type-C plug and the connecting line of described socket end shown in connecting, described connecting line includes L channel line, R channel line, Mike Wind line and ground wire, described socket end has 3.5mm socket, and two D+ stitch of described Type-C plug are all through described R channel line It is connected with the R channel contact of described 3.5mm socket;Two D-stitch of described Type-C plug all through described L channel line with The L channel contact of described 3.5mm socket connects;One SBU stitch of described Type-C plug through described microphone lines with described The mike contact of 3.5mm socket connects;Another SBU stitch of described Type-C plug is inserted with described 3.5mm through described ground wire The earthing contact of seat connects.
Optionally, described socket end has two distinct types of 3.5mm socket.
Optionally, described socket end has at least two socket, and described connecting line is provided with socket deconcentrator, described company Wiring is divided into the socket separated time corresponding with each described socket through described socket deconcentrator, and each contact of each described socket is through institute State the connection corresponding with described connecting line of socket separated time.
Optionally, described plug deconcentrator is by flexible glue injection mo(u)lding.
According to second aspect of the present utility model, it is provided that a kind of earphone joint, including Type-C plug, socket end, Connecting described Type-C plug and the connecting line of described socket end, decoding unit and coding unit, described connecting line includes left sound Diatom, R channel line, microphone lines and ground wire, described socket end has 3.5mm socket, and the L channel of described 3.5mm socket touches Point is connected with described L channel line, and the R channel contact of described 3.5mm socket is connected with described R channel line, and described 3.5mm inserts The mike contact of seat is connected with described microphone lines, and the earthing contact of described 3.5mm socket is connected with described ground wire;Described solution Code unit has digital differential input and analog output, and described coding unit has analog input end and numeral difference output End, the RX1+ stitch of described Type-C plug is corresponding with described digital differential input with RX1-stitch to be connected, described Type-C The RX2+ stitch of plug is also corresponding with described digital differential input with RX2-stitch to be connected, described L channel line and described right sound Diatom is all connected with described analog output, and TX1+ stitch and the TX1-stitch of described Type-C plug are defeated with described digital differential Going out end correspondence to connect, the TX2+ stitch of described Type-C plug is also corresponding with described digital differential outfan with TX2-stitch to be connected Connecing, described microphone lines is connected with described analog input end, the earth terminal of described decoding unit and the ground connection of described coding unit End all GND stitch with described Type-C plug are connected, and wherein, described decoding unit is arranged to digital difference signal conversion Being a road analogue signal, described coding unit is arranged to a road analogue signal is converted to digital difference signal.
Optionally, the GND stitch of described Type-C plug is connected with described ground wire through an electric capacity or 0 Europe resistance.
Optionally, in described decoding unit and coding unit are arranged on described Type-C plug.
Optionally, described socket end has two distinct types of 3.5mm socket.
Optionally, described socket end also include USB socket, described connecting line also include the first holding wire, secondary signal line, Power line and numeral ground wire, each D+ stitch of described Type-C plug is all through the D of described first holding wire Yu described USB socket + stitch connects;The D-stitch of described Type-C plug is all connected with the D-stitch of described USB socket through secondary signal line;Described Each VBUS stitch of Type-C plug is all connected with the VBUS stitch of described USB socket through described power line;Described Type-C Each GND stitch of plug is all connected with the GND stitch of described USB socket through described numeral ground wire.
Optionally, described socket end has at least two socket, and described connecting line is provided with socket deconcentrator, described company Wiring is divided into the socket separated time corresponding with each described socket through described socket deconcentrator, and each contact of each described socket is through institute State the connection corresponding with described connecting line of socket separated time.
Inventor of the present utility model finds, in the prior art, the Type-C interface existed on existing mobile phone can not be held concurrently The problem holding 3.5mm plug earphone.And in embodiment of the present utility model, connect when the electronic equipments such as mobile phone are provided only with Type-C During mouth, 3.5mm plug earphone can be used by Type-C interface, it is to avoid the waste of 3.5mm plug earphone.Therefore, this practicality That novel technical assignment to be realized or the those skilled in the art of technical problem is that to be solved never expect or do not have Have and anticipate, therefore this utility model is a kind of new technical scheme.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and And be used for explaining principle of the present utility model together with its explanation.
Fig. 1 (a) is the structural representation of the socket of the first type;
Fig. 1 (b) is the structural representation of the socket of the second type;
Fig. 2 is the circuit theory diagrams of a kind of embodiment according to this utility model earphone joint;
Fig. 3 is the circuit theory diagrams of the another embodiment according to this utility model earphone joint.
Description of reference numerals:
1:Type-C plug end;2: socket end;
11: the socket of the first type;12: the socket of the second type;
L: L channel contact;R: R channel contact;
M: mike contact;G: earthing contact;
LEFT: L channel line;RIGHT: R channel line;
MIC: microphone lines;AGND: ground wire;
U1: decoding unit;U2: coding unit;
DGND1, DGND2: earth terminal;VBUS1, VBUS2: power end;
RX+, RX-: digital difference signal input;
TX+, TX-: digital difference signal outfan.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that it is unless another Illustrating outward, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality Any restriction that is novel and that apply or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable In the case of when, described technology, method and apparatus should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
This utility model in order to solve Type-C interface on existing mobile phone can not the problem of compatible 3.5mm plug earphone, Provide a kind of earphone joint being provided with Type-C plug and 3.5mm socket.
Wherein, the CC stitch of Type-C socket is all connected to pull down resistor, and so, electronic equipment end is by detecting this drop-down electricity The size of resistance judges that this Type-C socket is digital signal communication pattern or analogue signal communication pattern, and according to currently connecting The communication pattern of the Type-C socket connect, by the signal of corresponding stitch transmission model identical, concrete, if Type-C inserts Seat is analogue signal communication pattern, and the electronic equipment of connection will be by D+ stitch, D-stitch and a SBU stitch transmission simulation letter Number;If Type-C socket is digital signal communication pattern, the electronic equipment of connection will be by RX1+ stitch, RX1-stitch, RX2 + stitch, RX2-stitch, TX1+ stitch, TX1-stitch, TX2+ stitch and TX2-stitch transmission digital signal.
At present 3.5mm socket have two kinds dissimilar, the socket of the first type such as Fig. 1 (a) is shown, distinguishes from left to right For mike contact M, earthing contact G, R channel contact R and L channel contact L;The socket of the second type such as Fig. 1 (b) institute Show, the most respectively earthing contact G, mike contact M, R channel contact R and L channel contact L.
On the one hand, the Type-C plug of this Type-C plug end is analogue signal communication pattern, this utility model earphone Adaptor includes Type-C plug 1, socket end 2 and connects Type-C plug 1 and the connecting line of socket end 2, as in figure 2 it is shown, Wherein, connecting line includes L channel line LEFT, R channel line RIGHT, microphone lines MIC and ground wire AGND;Socket end 2 has bag Include 3.5mm socket, owing to the Type-C interface of mobile phone terminal all defines D+ stitch transmission right-channel signals, D-stitch transmission L channel Signal, therefore, two D+ stitch of Type-C plug 1 are all through the R channel contact R company of R channel line RIGHT with 3.5mm socket Connecing, two D-stitch of Type-C plug all L channel contact L through L channel line LEFT and 3.5mm socket are connected;Type-C Plug includes two SBU stitch, and a SBU stitch of Type-C plug touches through the mike of microphone lines MIC with 3.5mm socket Point M connects;Another SBU stitch of Type-C plug is connected through the earthing contact G of ground wire AGND and 3.5mm socket.
Type-C plug, under analogue signal communication pattern, is transmitted right-channel signals by D+ stitch, is passed by D-stitch Defeated left channel signals, the audio signal gathered by SBU2 stitch transmission mike and earphone keystroke signal, SBU1 stitch transmits Ground signalling;Corresponding, the defeated left channel signals of L channel line LEFT, R channel line RIGHT transmits right-channel signals, microphone lines The audio signal of MIC transmission mike collection and earphone keystroke signal, ground wire AGND transmits ground signalling;Corresponding, 3.5mm inserts The L channel contact transmission left channel signals of seat, R channel contact transmission right-channel signals, mike contact transmission Mike's elegance The audio signal of collection and earphone keystroke signal, earthing contact transmission ground signalling.Therefore, the corresponding stitch of Type-C plug passes through Corresponding earphone cord connects with the contact of corresponding 3.5mm socket, it becomes possible to the Type-C realizing analogue signal communication pattern inserts Head and switching between 3.5mm socket, and then the electricity of Type-C socket can be realized by this utility model earphone joint Compatibility between the earphone of subset and 3.5mm plug.
So, when the electronic equipments such as mobile phone do not have 3.5mm earphone interface, 3.5mm can be used by Type-C interface Plug earphone, prevents the waste of 3.5mm plug earphone;3.5mm earphone can also be saved when designing the electronic equipments such as mobile phone to connect Mouthful, mobile phone thickness can be effectively reduced, save circuit and take mobile phone space.
Wherein, the socket end of this utility model earphone joint can only have the 3.5mm socket of the first type, it is possible to Only to have the 3.5mm socket of the second type, it is also possible to there is two distinct types of 3.5mm socket, at this utility model A specific embodiment in, the socket end of this utility model earphone joint includes two distinct types of 3.5mm socket, this Sample, this utility model earphone joint just can compatible two kinds of earphone so that range of the present utility model is wider. Concrete, each type of plug can be one, it is also possible to for multiple.
It addition, socket end can also have the earphone joint of at least two socket, corresponding plug class can be inserted simultaneously into Type earphone, it is possible to realize sharing the purpose of music.
When socket end includes at least two socket, connecting line needing be provided with socket deconcentrator, connecting line divides through socket Line device is divided into the socket separated time corresponding with each socket, and socket separated time also includes microphone lines, L channel line, R channel line and ground Line, the mike contact M of each socket is connected with microphone lines MIC of connecting line through the microphone lines of socket separated time, each slotting The earthing contact G of seat is connected with the ground wire AGND of connecting line through the ground wire of socket separated time, and the R channel contact R of each socket is through inserting The seat R channel line of separated time is connected with the R channel line RIGHT of connecting line, and the L channel contact L of each socket is through socket separated time L channel line is connected with the L channel line LEFT of connecting line.
Concrete, above-mentioned socket deconcentrator can be by flexible glue injection mo(u)lding, and wherein flexible glue is to be formed by injection with plastics, Under room temperature, feel is softer, and many people are called " flexible glue ", but are not required to through vulcanizing treatment.There is temperature-resistance characteristic, weatherability, electrically Insulating properties, physiological inertia and the excellent properties such as low surface tension and low-surface-energy.Therefore, the socket of flexible glue injection mo(u)lding divide Line device, it is possible to effectively protect the connecting line being connected with socket deconcentrator and the reliability of socket separated time, it is to avoid bending occurs.
Further, 3.5mm socket also includes shell, and this shell is connected with ground wire AGND, in such manner, it is possible to reach shielding letter Number interference effect.
On the other hand, the Type-C plug of this utility model earphone joint Type-C plug end is digital signal communication Pattern, this earphone joint includes Type-C plug 1, socket end 2, connects Type-C plug 1 and the connecting line of socket end 2, solution Code unit U1 and coding unit U2, as it is shown on figure 3, connecting line includes L channel line LEFT, R channel line RIGHT, microphone lines MIC and ground wire AGND, socket end 2 has 3.5mm socket, and the L channel contact L and L channel line LEFT of 3.5mm socket is even Connecing, the R channel contact R of 3.5mm socket is connected with R channel line RIGHT, the mike contact M of 3.5mm socket and microphone lines MIC connects, and the earthing contact G of 3.5mm socket is connected with ground wire AGND;Decoding unit U1 have digital differential input RX+, RX-and analog output, coding unit has analog input end and numeral difference output end TX+, TX-, the RX1 of Type-C plug + stitch is corresponding with digital differential input RX+, RX-with RX1-stitch to be connected, the RX2+ stitch of Type-C plug and RX2-stitch Also connection corresponding with digital differential input RX+, RX-, L channel line LEFT and R channel line RIGHT is all with analog output even Connecing, the TX1+ stitch of Type-C plug is corresponding with digital differential outfan TX+, TX-with TX1-stitch to be connected, Type-C plug TX2+ stitch is also corresponding with digital differential outfan TX+, TX-with TX2-stitch to be connected, and microphone lines MIC is with analog input end even Connecing, the earth terminal DGND1 of decoding unit and the earth terminal DGND2 of coding unit is all connected with the GND stitch of Type-C plug, its In, decoding unit U1 is arranged to digital difference signal is converted to a road analogue signal, and coding unit U2 is arranged to one Road analogue signal is converted to digital difference signal.
Type-C plug is under digital signal communication pattern, by RX1+ stitch, RX1-stitch, RX2+ stitch and RX2-pin Foot receives the digital difference signal that the electronic equipment connected sends, by TX1+ stitch, TX1-stitch, TX2+ stitch and TX2-pin Foot sends digital difference signal to electronic equipment, correspondence, and L channel line LEFT and R channel line RIGHT is for transmitting correspondence Audio signal, microphone lines MIC for transmit mike gather audio signal and earphone keystroke signal, and earphone cord with Between 3.5mm socket, transmission is all analogue signal, therefore, need to arrange decoding between Type-C plug end and 3.5mm socket Unit U1 and coding unit U2 so that the decoded place of digital difference signal that the electronic equipment that Type-C plug receives sends Reason, obtains simulated audio signal, sends to L channel line and R channel line, and audio signal and earphone keystroke that mike gathers are believed After number encoded process, obtain digital difference signal, send to electronic equipments such as mobile phones.
Wherein, the digital difference signal that the RX1+ stitch of Type-C plug and RX1-stitch receive, with Type-C plug The digital difference signal that RX2+ stitch receives with RX2-stitch is identical, permissible after this digital difference signal decoded unit U1 decoding Being converted to analogue signal, this analogue signal is sent to the L channel of 3.5mm socket through L channel line LEFT and R channel line RIGHT Contact L and R channel contact R;Microphone lines transmission for analogue signal, permissible after this analogue signal encoded unit U2 coding Being converted to digital difference signal, this digital difference signal sends to connection through TX1+ stitch and the TX1-stitch of Type-C plug Electronic equipment, TX2+ stitch and TX2-stitch through Type-C plug send to the electronic equipment connected, so simultaneously, it becomes possible to Ensure Type-C plug transmission digital signal, 3.5mm socket transmission of analogue signal, it is achieved the Type-C of digital signal communication pattern Plug and switching between 3.5mm socket, and then Type-C socket electricity can be realized by this utility model earphone joint Compatibility between the earphone of subset and 3.5mm plug.
When the electronic equipments such as mobile phone do not have 3.5mm earphone interface, 3.5mm plug ear can be used by Type-C interface Machine, prevents the waste of 3.5mm plug earphone;3.5mm earphone interface can also be saved when designing the electronic equipments such as mobile phone, permissible Effectively reduce mobile phone thickness, save circuit and take mobile phone space.
Further, the VBUS stitch of Type-C plug all with power end VBUS1 and the electricity of coding unit of decoding unit Source VBUS2 connects, to power to decoding unit U1 and coding unit U2, it is ensured that their normal work.
But, transmit due to the GND stitch of Type-C plug is digitally signal, the ground wire AGND transmission of connecting line It is simulation earth signal, the GND stitch of Type-C plug all can be connected with ground wire AGND, just through an electric capacity or 0 Europe resistance Signal disturbing can be prevented effectively from.
Wherein, attractive in appearance in order to avoid arranging circuit module impact on connecting line, reduce this utility model earphone simultaneously and turn The volume of joint, in a specific embodiment of the present utility model, decoding unit U1 and coding unit U2 is arranged on Type-C In plug.
Further, above-mentioned decoding unit U1 can be by the digital to analog converter of differential-input differential output and one Difference amplifier realizes, and coding unit U2 can be realized by the analog-digital converter of a single ended input difference output, also Can be that decoding unit U1 and coding unit U2 is realized by a USB codec chip.If the former, it is specially and will receive Digital difference signal be converted to analog difference signal through digital to analog converter, then this analog difference signal is put through difference amplifier Obtain a road analog information after great, as earpiece audio signal, be sent to L channel line LEFT and R channel line RIGHT, by wheat The analogue signal of gram wind line MIC transmission is converted to digital difference signal through analog-digital converter, through the stitch that Type-C plug is corresponding It is sent to the electronic equipments such as mobile phone.
Wherein, the socket end of this utility model earphone joint can only have the 3.5mm socket of the first type, it is possible to Only to have the 3.5mm socket of the second type, it is also possible to there is two distinct types of 3.5mm socket, at this utility model A specific embodiment in, the socket end of this utility model earphone joint includes two distinct types of 3.5mm socket, this Sample, this utility model earphone joint just can compatible two kinds of earphone so that range of the present utility model is wider. Concrete, each type of plug can be one, it is also possible to for multiple.
It addition, socket end can also have the earphone joint of at least two socket, corresponding plug class can be inserted simultaneously into Type earphone, it is possible to realize sharing the purpose of music.
In a specific embodiment of the present utility model, socket end also includes USB socket, and connecting line also includes the first letter Number line, secondary signal line, power line and numeral ground wire, Type-C plug includes two D+ stitch and two D-stitch, Type-C The D+ stitch of plug is all through the connection corresponding with the D+ stitch of USB socket of the first holding wire;The D-stitch of Type-C plug is all through Binary signal line is connected with the D-stitch of USB socket;Type-C plug includes four VBUS stitch, the VBUS stitch of Type-C plug All it is connected with the VBUS stitch of USB socket through power line;Type-C plug includes four GND stitch, the GND pin of Type-C plug Foot is all connected with the GND stitch of USB socket through numeral ground wire.So, it is achieved that turning between Type-C interface and USB interface Change so that the electronic equipment such as mobile phone with Type-C interface also is able to the earphone of compatible USB plug.
Further, 3.5mm socket also includes shell, and this shell is connected with ground wire AGND, in such manner, it is possible to reach shielding letter Number interference effect.
Wherein, when socket end includes at least two socket, connecting line needing be provided with socket deconcentrator, connecting line is through inserting Seat deconcentrator be divided into the socket separated time corresponding with each socket, socket separated time include microphone lines, L channel line, R channel line and Ground wire, the mike contact M of each socket is connected with microphone lines MIC of connecting line through the microphone lines of socket separated time, each The earthing contact G of socket is connected with the ground wire AGND of connecting line through the ground wire of socket separated time, the R channel contact R warp of each socket The R channel line of socket separated time is connected with the R channel line RIGHT of connecting line, and the L channel contact L of each socket is through socket separated time L channel line be connected with the L channel line LEFT of connecting line.
Concrete, above-mentioned socket deconcentrator can be by flexible glue injection mo(u)lding, and wherein flexible glue is to be formed by injection with plastics, Under room temperature, feel is softer, and many people are called " flexible glue ", but are not required to through vulcanizing treatment.There is temperature-resistance characteristic, weatherability, electrically Insulating properties, physiological inertia and the excellent properties such as low surface tension and low-surface-energy.Therefore, the socket of flexible glue injection mo(u)lding divide Line device, it is possible to effectively protect the connecting line being connected with socket deconcentrator and the reliability of socket separated time, it is to avoid bending occurs.
The various embodiments described above primary focus describes the difference with other embodiments, but those skilled in the art should be clear Chu, the various embodiments described above can be used alone as required or be combined with each other.
Although by example, specific embodiments more of the present utility model have been described in detail, but this area It is to be understood by the skilled artisans that example above is merely to illustrate rather than in order to limit scope of the present utility model.This Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example Modify.Scope of the present utility model is defined by the following claims.

Claims (10)

1. an earphone joint, it is characterised in that include Type-C plug, socket end and connect described Type-C plug and The connecting line of described socket end, described connecting line includes L channel line, R channel line, microphone lines and ground wire, described socket end Having 3.5mm socket, two D+ stitch of described Type-C plug are all through the right sound of described R channel line Yu described 3.5mm socket Contact, road connects;Two D-stitch of described Type-C plug are all through the L channel of described L channel line Yu described 3.5mm socket Contact connects;One SBU stitch of described Type-C plug is through the mike contact of described microphone lines Yu described 3.5mm socket Connect;Another SBU stitch of described Type-C plug is connected through the earthing contact of described ground wire with described 3.5mm socket.
Earphone joint the most according to claim 1, it is characterised in that described socket end has two distinct types of 3.5mm socket.
Earphone joint the most according to claim 1, it is characterised in that described socket end has at least two socket, institute Stating and be provided with socket deconcentrator on connecting line, described connecting line is divided into corresponding with each described socket through described socket deconcentrator Socket separated time, each contact of each described socket is through the connection corresponding with described connecting line of described socket separated time.
Earphone joint the most according to claim 3, it is characterised in that described plug deconcentrator is by flexible glue injection mo(u)lding.
5. an earphone joint, it is characterised in that include Type-C plug, socket end, connection described Type-C plug and institute Stating the connecting line of socket end, decoding unit and coding unit, described connecting line includes L channel line, R channel line, microphone lines And ground wire, described socket end has 3.5mm socket, and the L channel contact of described 3.5mm socket is connected with described L channel line, institute The R channel contact stating 3.5mm socket is connected with described R channel line, the mike contact of described 3.5mm socket and described Mike Wind line connects, and the earthing contact of described 3.5mm socket is connected with described ground wire;Described decoding unit has digital differential input And analog output, described coding unit has analog input end and numeral difference output end, the RX1+ of described Type-C plug Stitch is corresponding with described digital differential input with RX1-stitch to be connected, the RX2+ stitch of described Type-C plug and RX2-stitch Also connection corresponding with described digital differential input, described L channel line and described R channel line are all with described analog output even Connecing, the TX1+ stitch of described Type-C plug is corresponding with described digital differential outfan with TX1-stitch to be connected, described Type-C The TX2+ stitch of plug is also corresponding with described digital differential outfan with TX2-stitch to be connected, described microphone lines and described simulation Input connects, the earth terminal of described decoding unit and the earth terminal of described coding unit all with the GND of described Type-C plug Stitch connects, and wherein, described decoding unit is arranged to digital difference signal is converted to a road analogue signal, described coding list Unit is arranged to a road analogue signal is converted to digital difference signal.
Earphone joint the most according to claim 5, it is characterised in that the GND stitch of described Type-C plug is through an electricity Hold or 0 Europe resistance is connected with described ground wire.
Earphone joint the most according to claim 5, it is characterised in that described decoding unit and coding unit are arranged on institute State in Type-C plug.
Earphone joint the most according to claim 5, it is characterised in that described socket end has two distinct types of 3.5mm socket.
Earphone joint the most according to claim 5, it is characterised in that described socket end also includes USB socket, described company Wiring also includes the first holding wire, secondary signal line, power line and numeral ground wire, and each D+ stitch of described Type-C plug is equal It is connected with the D+ stitch of described USB socket through described first holding wire;The D-stitch of described Type-C plug is all through secondary signal Line is connected with the D-stitch of described USB socket;Each VBUS stitch of described Type-C plug all through described power line with described The VBUS stitch of USB socket connects;Each GND stitch of described Type-C plug is all inserted with described USB through described numeral ground wire The GND stitch of seat connects.
Earphone joint the most according to claim 5, it is characterised in that described socket end has at least two socket, institute Stating and be provided with socket deconcentrator on connecting line, described connecting line is divided into corresponding with each described socket through described socket deconcentrator Socket separated time, each contact of each described socket is through the connection corresponding with described connecting line of described socket separated time.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105977740A (en) * 2016-05-30 2016-09-28 歌尔股份有限公司 Earphone adapter
CN106776228A (en) * 2016-12-30 2017-05-31 维沃移动通信有限公司 The method for security protection and mobile terminal of a kind of mobile terminal
CN109889942A (en) * 2019-03-19 2019-06-14 维沃移动通信有限公司 A Type-C transfer cable, control method and terminal device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105977740A (en) * 2016-05-30 2016-09-28 歌尔股份有限公司 Earphone adapter
CN105977740B (en) * 2016-05-30 2018-04-27 歌尔股份有限公司 A kind of earphone joint
CN106776228A (en) * 2016-12-30 2017-05-31 维沃移动通信有限公司 The method for security protection and mobile terminal of a kind of mobile terminal
CN106776228B (en) * 2016-12-30 2020-09-01 维沃移动通信有限公司 Safety protection method of mobile terminal and mobile terminal
CN109889942A (en) * 2019-03-19 2019-06-14 维沃移动通信有限公司 A Type-C transfer cable, control method and terminal device
CN109889942B (en) * 2019-03-19 2022-06-10 维沃移动通信有限公司 A Type-C transfer cable, control method and terminal device

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