CN206024049U - A kind of line control earphone - Google Patents
A kind of line control earphone Download PDFInfo
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- CN206024049U CN206024049U CN201620871302.0U CN201620871302U CN206024049U CN 206024049 U CN206024049 U CN 206024049U CN 201620871302 U CN201620871302 U CN 201620871302U CN 206024049 U CN206024049 U CN 206024049U
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Abstract
The utility model discloses a kind of line control earphone, including line control earphone body and expanded circuit, the master control borad that line control earphone body is included earphone cord and is connected with earphone cord, earphone cord includes microphone lines and ground wire, button is provided with master control borad, each button is connected in series between microphone lines and ground wire with corresponding current-limiting resistance；Expanded circuit includes that the first matching unit one-to-one with least one current-limiting resistance, the first matching unit are had the first coupling switch and the first build-out resistor being connected in series, be connected in parallel with corresponding current-limiting resistance per one first matching unit；And/or expanded circuit includes the second matching unit one-to-one with least one current-limiting resistance, second matching unit has the second coupling switch and the second build-out resistor being connected in parallel, and is connected in series between microphone lines and ground wire with corresponding current-limiting resistance per one second matching unit.By arranging expanded circuit in line control earphone, line control earphone can be caused to realize more functions of multiple keys.
Description
Technical field
This utility model is related to a kind of line control earphone, more specifically, this utility model is related to one kind is provided with expanded circuit
Line control earphone.
Background technology
The control mode of line control earphone is essentially button manipulation, and specially line control earphone has three buttons, respectively
Start Pause key, volume increases key and volume reduces key, or is respectively startup Pause key, advance key and back spacer, Yong Hutong
Cross to push button and change the size of current of output to microphone lines, and then user terminal is enable according to the current value of microphone lines
The control corresponding with button operation is realized, realizes manipulating terminal plays.
At present, some feature earphones (such as heart rate detection earphone, noise cancelling headphone etc.) have as common line control earphone
Button when feature earphone is used as common headphones, keypress function as the function of common line control earphone, but, when
When such feature earphone provides other functions with microphone lines, button detection function may be forbidden, and affect Consumer's Experience.Cause
This, it is very valuable to propose a kind of line control earphone of extension earphone keystroke function.
Utility model content
A purpose of the present utility model is to provide a kind of line control earphone that can realize more functions of multiple keys.
According to first aspect of the present utility model, there is provided a kind of line control earphone, including line control earphone body and extension electricity
Road, the master control borad that the line control earphone body is included earphone cord and is connected with the earphone cord, the earphone cord include mike
Line and ground wire, are provided with button on the master control borad, and each button is connected in series in the wheat with corresponding current-limiting resistance
Gram between wind line and the ground wire；The expanded circuit includes that one-to-one with current-limiting resistance described at least one first mates
There is the first coupling being connected in series to switch and the first build-out resistor for unit, first matching unit, each described first
It is connected in parallel with corresponding current-limiting resistance with unit；And/or the expanded circuit includes and current-limiting resistance one described at least one
One corresponding second matching unit, second matching unit have the second coupling switch and the second coupling electricity being connected in parallel
Resistance, each second matching unit are connected in series between the microphone lines and the ground wire with corresponding current-limiting resistance.
Optionally, the expanded circuit includes first matching unit one-to-one with current-limiting resistance described at least one,
Each first coupling switch is respectively provided with the control end for receiving switch controlling signal, and the expanded circuit is also included for controlling
First controlling switch of the first coupling on off state, the control end of each first coupling switch is through the described first control
Switch processed is connected to the microphone lines.
Optionally, first controlling switch is toggle switch.
Optionally, the expanded circuit is arranged by the first analog switch chip and provides the first coupling switch.
Optionally, the expanded circuit includes second matching unit one-to-one with current-limiting resistance described at least one,
Each second coupling switch is respectively provided with the control end for receiving switch controlling signal, and the expanded circuit is also included for controlling
Second controlling switch of the second coupling on off state, the control end of each second coupling switch is through the described second control
Switch processed is connected to the microphone lines.
Optionally, second controlling switch is toggle switch.
Optionally, the expanded circuit is arranged by the second analog switch chip and provides the second coupling switch.
Optionally, each current-limiting resistance is respectively provided with corresponding first matching unit and/or second coupling
Unit.
Optionally, the expanded circuit is arranged on the master control borad.
Inventor of the present utility model has found in the prior art, there is line control earphone and cannot realize to terminal except broadcasting
The problem of the other functions control outside manipulation.And in this utility model, by arranging expanded circuit in line control earphone, can be with
So that line control earphone realizes more functions of multiple keys, and, by arranging build-out resistor, line control earphone can be enabled to mate not
The mobile phone of same model.Therefore, this utility model technical assignment to be realized or technical problem to be solved are this areas
That technical staff never expects or it is not expected that, therefore this utility model is a kind of new technical scheme.
By detailed description referring to the drawings to exemplary embodiment of the present utility model, of the present utility model other
Feature and its advantage will be made apparent from.
Description of the drawings
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and
And illustrate to be used for explaining principle of the present utility model together with which.
Fig. 1 is existing wire headset circuit schematic diagram；
Fig. 2 is a kind of circuit theory diagrams of the embodiment according to a kind of line control earphone of the present utility model；
Fig. 3 is according to a kind of circuit theory diagrams of the another embodiment of line control earphone of the present utility model；
Fig. 4 is according to a kind of circuit theory diagrams of the third embodiment of line control earphone of the present utility model.
Description of reference numerals：
S1, S2, S3- button；R1, R2, R3- current-limiting resistance；
R1 ＇, R2 ＇, R3 ＇, R1 ＂, R2 ＂, R3 ＂-build-out resistor；
K1, K2, K3, K1 ＇, K2 ＇, K3 ＇-coupling switch；
S4, S5- controlling switch；M- microphone lines；
G- ground wires；U1, U2- analog switch chip；
VCC1, VCC2- power end；GND1, GND2- earth terminal；
EN1, EN2- control end；C1- electric capacity；
R4- resistance；MIC- mikes.
Specific embodiment
Describe various exemplary embodiments of the present utility model now with reference to accompanying drawing in detail.It should be noted that：Unless another
Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments is not limited
Make scope of the present utility model.
It is illustrative below to the description only actually of at least one exemplary embodiment, never as to this practicality
New and its application or any restriction for using.
For known to person of ordinary skill in the relevant, technology, method and apparatus may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered a part for description.
In all examples of shown here and discussion, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then which need not be further discussed in subsequent accompanying drawing.
This utility model cannot realize the other functions control to terminal in addition to manipulation is played to solve existing line control earphone
A kind of problem of system, there is provided line control earphone of setting expanded circuit.
For the ease of understanding this utility model line control earphone, the basic circuit for introducing button line control earphone first is former
Reason, Fig. 1 are line control earphone body circuit, are provided with three function buttons on master control borad, that is, starting Pause key S1, volume increases key
S2 and volume reduce key S3, and the startup Pause key S1 and current-limiting resistance R1 is connected in series between microphone lines M and ground wire G, should
Current-limiting resistance R1 is arranged to make microphone lines M obtain correspondingly startup Pause key manipulation instruction when startup Pause key S1 is pressed
Current signal；The volume increases key S2 and current-limiting resistance R2 and is connected in series between microphone lines M and ground wire G, the current limliting electricity
Resistance R2 is arranged to increase in volume makes microphone lines M obtain the electric current for corresponding to volume increase key manipulation instruction when key S2 is pressed
Signal；The volume reduces key S3 and current-limiting resistance R3 and is connected in series between microphone lines M and ground wire G, current-limiting resistance R3 quilts
Being set to reduce in volume makes microphone lines M obtain the current signal that corresponding volume reduces key manipulation instruction when key S3 is pressed.
So, when user presses one-shot Pause key S1, manipulation will be suspended via microphone lines M to corresponding startup of user terminal output
The current signal of instruction, now, user terminal will carry out one-shot according to this kind of corresponding relation for setting or suspend behaviour
Control；When user presses a volume and increases key S2, manipulation will be increased via microphone lines M to the corresponding volume of user terminal output and be referred to
The current signal of order, now, user terminal will carry out a volume according to this kind of corresponding relation for setting increases manipulation；With
The electricity of manipulation instruction when a volume reduction key S3 is pressed at family, will be reduced via microphone lines M to the corresponding volume of user terminal output
Stream signal, now, user terminal will carry out a volume according to this kind of corresponding relation for setting and reduce manipulation.
Fig. 2 is according to a kind of circuit theory diagrams of embodiment of this utility model line control earphone, this utility model line traffic control ear
Machine includes that line control earphone body and expanded circuit, line control earphone body include master control borad, the left ear of earphone cord and earphone cord connection
Receiver and auris dextra receiver, earphone cord include L channel line L, R channel line R, microphone lines M and ground wire G, and earphone cord is by L channel
Line L, R channel line R, microphone lines M and ground wire G are encapsulated in same insulator sheath, and mike is arranged on master control borad, wheat
The positive pole of gram wind is connected to microphone lines M, negative pole and ground wire G connections through biasing resistor R4, connects between microphone lines M and ground wire G
Electric capacity C1 is connected to, with jamproof effect, the positive and negative electrode of left otaphone is connected with L channel line L and bottom line G respectively, auris dextra
The positive and negative electrode of receiver is connected with R channel line R and ground wire G respectively, and left otaphone, auris dextra receiver can be drawn by master control borad,
Can also only have a receiver to be drawn by master control borad, and the mike of line control earphone body is generally arranged on master control borad, and even
It is connected between microphone lines M and ground wire G and on master control borad, is provided with the button of the mode of being connected as described above；Expanded circuit include with least
One-to-one first matching unit of one current-limiting resistance, the first matching unit have the first coupling switch for being connected in series and the
One build-out resistor, is connected in parallel with corresponding current-limiting resistance per one first matching unit；And/or expanded circuit includes and at least one
One-to-one second matching unit of individual current-limiting resistance, the second matching unit have the second coupling switch and second being connected in parallel
Build-out resistor, is connected in series between microphone lines M and ground wire G with corresponding current-limiting resistance per one second matching unit.
When being by detecting that button is pressed due to electronic equipment, the size of current of microphone lines M, realizes to should electric current
The function of size, therefore, arranges expanded circuit in line control earphone, thus it is possible to vary the size of current of microphone lines M, and then causes
This utility model line control earphone realizes more keypress function controls by controlling coupling switch and button.
In a specific embodiment of the present utility model, expanded circuit includes corresponding with least one current-limiting resistance
The first matching unit, the first matching unit have be connected in series first coupling switch and the first build-out resistor, per one first
Matching unit is connected in parallel with corresponding current-limiting resistance.
In order to realize more functions by original three buttons, can arrange each current-limiting resistance be respectively provided with right
The first matching unit that answers, so, original button can realize at least one expanded function.
The number of switches of operation is needed in order to reduce while realizing as above more multi-functional, the first of the first matching unit
Coupling switch can be respectively provided with the control end for receiving switch controlling signal, and expanded circuit also includes the first controlling switch S4, each
The control end of the first coupling switch is connected to microphone lines M through the first controlling switch S4, as such, it is possible to arrange the first control open
When closing S4 disconnections, each coupling switch disconnects；When first controlling switch S4 is closed, close per one first coupling switch, this
Sample, only increases by first controlling switch S4 for user operation, it becomes possible to realize the original keypress function of line control earphone and first
Switching between the expand function of coupling on-off control.
Further, above-mentioned first coupling switch can be provided by an analog switch chip U1, the analog switch chip
U1 has control end EN1, three groups of inputs and corresponding outfan, is between every group of input and corresponding outfan
One coupling switch, power end VCC1 are connected to microphone lines M, and earth terminal GND1 is connected to ground wire G, and such as control end receives height
During level signal, the first coupling switch conduction between first input end and corresponding first outfan, the second input and right
The second coupling switch between the second outfan that answers is also switched on, the 3rd between the 3rd input and corresponding 3rd outfan
Coupling switch is also switched on；When control end receives low level signal, between first input end and corresponding first outfan
One coupling is switched off, and the second coupling switch between the second input and corresponding second outfan also disconnects, the 3rd input
The 3rd coupling switch between end and corresponding 3rd outfan also disconnects.There is provided by analog switch chip U1 all first
With switch, can effectively reduce expanded circuit and take circuit space.
Specifically, circuit theory diagrams can be with as shown in figure 3, analog switch chip U1 and Corresponding matching resistance and current-limiting resistance
Connected mode, equivalent to coupling switch K1 connect with build-out resistor R1 ＇ after in parallel with current-limiting resistance R1, mate switch K2 and
With in parallel with current-limiting resistance R2 after resistance R2 ＇ series connection, mate after switch K3 is connected with build-out resistor R3 ＇ with current-limiting resistance R3 simultaneously
Connection, control end EN1 of analog switch chip U1 is connected to microphone lines M through controlling switch S4, so, in user by controlling switch
When S4 disconnects, by one-touch S1, will be via microphone lines M to user terminal output current signal A1, user terminal will root
According to the corresponding relation between the electric current and function for setting, the function controlling of corresponding current A1 is carried out；One-touch S2 is pressed, will
Via microphone lines M to user terminal output current signal A2, user terminal will be according between the electric current and function for setting
Corresponding relation, carries out the function controlling of corresponding current A2；One-touch S3 is pressed, will be via microphone lines M to user terminal
Output current signal A3, user terminal will carry out once corresponding electricity according to the corresponding relation between the electric current and function for setting
The function controlling of stream A3.When controlling switch S4 is closed by user, by one-touch S1, will be via microphone lines M to user's end
End output current signal B1, user terminal will be carried out once corresponding according to the corresponding relation between the electric current and function for setting
The function controlling of electric current B1；One-touch S2 is pressed, will be via microphone lines M to user terminal output current signal B2, user's end
End will carry out the function controlling of corresponding current B2 according to the corresponding relation between the electric current and function for setting；By once
Button S3, will be via microphone lines M to user terminal output current signal B3, and user terminal will be according to the electric current and work(for setting
Corresponding relation between energy, carries out the function controlling of corresponding current B3.
For the electronic equipment of different brands, the microphone lines M current value for triggering corresponding function is different, for example, for A product
Board electronic equipment, it is A1 that triggering starts the microphone lines M current value of pause function, triggers microphone lines M of volume up function
Current value is A2, and the microphone lines M current value for triggering volume reduction function is A3, corresponding B brand electronic equipments, and triggering starts temporary
The microphone lines M current value for stopping function is B1, and the microphone lines M current value for triggering volume up function is B2, triggers volume down
The microphone lines M current value of little function is B3, as such, it is possible to pass through the resistance for arranging each resistance so that controlling switch S4 is broken
When opening, push button S1, and microphone lines M obtain the current signal A1 that triggering starts pause function, and push button S2, microphone lines
M obtains the current signal A2 of triggering volume up function；Push button S3, and microphone lines M obtain triggering volume and reduce function
Current signal A3.When controlling switch S4 is closed, push button S1, and microphone lines M obtain the electric current letter of triggering volume up function
Number B1；Push button S2, and microphone lines M obtain the current signal B2 that triggering starts pause function；Push button S3, microphone lines
M obtains the current signal B3 that triggering volume reduces function.So, the button of this utility model line control earphone just can be to different product
The electronic equipment of board carries out corresponding function control, it is also possible to which in electronic equipment side, each current value of setting microphone lines M can
The corresponding function of triggering, it becomes possible to realize more multi-functional control.
If button S1 and current-limiting resistance R1 are connected between microphone lines M and ground wire G, button S2 and current-limiting resistance R2 goes here and there
It is associated between microphone lines M and ground wire G, button S3 and current-limiting resistance R1, R3 are connected between microphone lines M and ground wire G, this
When, the first matching unit can also be in parallel with all current-limiting resistances such as R1, R3, it is also possible to partial throttle resistance such as R3 simultaneously
Connection.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to drawn in other positions from earphone cord, in order that this
Utility model line control earphone outward appearance is more attractive in appearance, and expanded circuit is integrated on master control borad, it is to avoid draw expanded circuit on earphone
Module.
In another specific embodiment of the present utility model, expanded circuit includes and at least one current-limiting resistance one a pair
The second matching unit that answers, the second matching unit have the second coupling switch and the second build-out resistor being connected in parallel, per one the
Two matching units are connected in series between microphone lines M and ground wire G with corresponding current-limiting resistance.
In order to realize more functions by original three buttons, can arrange each current-limiting resistance be respectively provided with right
The second matching unit that answers, so, original button can realize at least one expanded function.
The number of switches of operation is needed in order to reduce while realizing as above more multi-functional, the second of the second matching unit
Coupling switch can also be respectively provided with reception switch control terminal, and expanded circuit also includes the second controlling switch, open per one second coupling
The control end of pass is connected to microphone lines M through the second controlling switch, as such, it is possible to when the disconnection of the second controlling switch is set, per
One second coupling switch disconnects；When second controlling switch is closed, close per one second coupling switch, in this way, it is possible to real
Switching between the expand function of the existing original keypress function of line control earphone and the second coupling on-off control.
Further, above-mentioned second coupling switch can also be provided by an analog switch chip U2, the analog switch core
Piece U2 have control end EN2, and three groups of inputs and corresponding outfan, every group of input and corresponding outfan it
Between be coupling switch, power end VCC2 is connected to microphone lines M, and earth terminal GND2 is connected to ground wire G, for example control termination
When receiving high level signal, between the second input and corresponding second outfan second mates switch conduction, the second input
The second coupling switch between end and corresponding second outfan is also switched on, between the 3rd input and corresponding 3rd outfan
The 3rd coupling switch be also switched on；When control end receives low level signal, the second input and corresponding second outfan it
Between the second coupling switch off, the second coupling switch between the second input and corresponding second outfan also disconnects, the
The 3rd coupling switch between three inputs and corresponding 3rd outfan also disconnects.There is provided by analog switch chip U1 all
Second coupling switch, can effectively reduce expanded circuit and take circuit space.
Specifically, circuit theory diagrams can be with as shown in figure 4, analog switch chip U2 and Corresponding matching resistance and current-limiting resistance
Connected mode, equivalent to coupling switch K1 ＇ in parallel with build-out resistor R1 ＂ after with current-limiting resistance R1 be connected on microphone lines M and
Between ground wire G, be connected on current-limiting resistance R2 after coupling switch K2 ＇ are in parallel with build-out resistor R2 ＂ microphone lines M and ground wire G it
Between, it is connected between microphone lines M and ground wire G with current-limiting resistance R3 after coupling switch K3 ＇ are in parallel with build-out resistor R3 ＂, simulates
Control end EN2 of switch chip U2 is connected to microphone lines M through controlling switch S5, so, disconnects controlling switch S5 in user
When, by one-touch S1, will be via microphone lines M to user terminal output current signal C1, user terminal will be according to setting
Electric current and function between corresponding relation, carry out the function controlling of corresponding current C1；One-touch S2 is pressed, will be via wheat
, to user terminal output current signal C2, user terminal will be according to the corresponding pass between the electric current and function for setting for gram wind line M
System, carries out the function controlling of corresponding current C2；One-touch S3 is pressed, will be via microphone lines M to user terminal output electricity
Stream signal C3, user terminal will carry out corresponding current C3 according to the corresponding relation between the electric current and function for setting
Function controlling.When controlling switch S5 is closed by user, by one-touch S1, will export to user terminal via microphone lines M
Current signal A1, user terminal will carry out corresponding current A1 according to the corresponding relation between the electric current and function for setting
Function controlling；One-touch S2 is pressed, will be via microphone lines M to user terminal output current signal A2, user terminal will
According to the corresponding relation between the electric current and function for setting, the function controlling of corresponding current A2 is carried out；One-touch S3 is pressed,
Will be via microphone lines M to user terminal output current signal A3, user terminal will be according between the electric current and function for setting
Corresponding relation, carry out the function controlling of corresponding current A3.
For the electronic equipment of different brands, the microphone lines M current value for triggering corresponding function is different, for example, for A product
Board electronic equipment, it is A1 that triggering starts the microphone lines M current value of pause function, triggers microphone lines M of volume up function
Current value is A2, and the microphone lines M current value for triggering volume reduction function is A3, corresponding C brand electronic equipments, and triggering starts temporary
The microphone lines M current value for stopping function is C1, and the microphone lines M current value for triggering volume up function is C2, triggers volume down
The microphone lines M current value of little function is C3, as such, it is possible to pass through the resistance for arranging each resistance so that controlling switch S5 is broken
When opening, when coupling switch K1 ＇ disconnect, push button S1, and microphone lines M obtain the current signal C1 of triggering volume up function；
Push button S2, and microphone lines M obtain the current signal C2 of triggering volume up function；Push button S3, and microphone lines M are obtained
Triggering volume reduces the current signal C3 of function.When controlling switch S5 is closed, push button S1, and microphone lines M obtain triggering and open
The current signal A1 of dynamic pause function, push button S2, and microphone lines M obtain the current signal A2 that triggering starts pause function；
Push button S3, and microphone lines M obtain the current signal A3 that triggering volume reduces function.So, this utility model line control earphone
Button just can carry out corresponding function control to the electronic equipment of different brands, it is also possible to electronic equipment side arrange Mike
The corresponding function that wind line M each current value can be triggered, it becomes possible to realize more multi-functional control.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to drawn in other positions from earphone cord, in order that this
Utility model line control earphone outward appearance is more attractive in appearance, and expanded circuit is integrated on master control borad, it is to avoid draw expanded circuit on earphone
Module.
In the 3rd specific embodiment of the present utility model, expanded circuit includes above-mentioned first matching unit and second
Match somebody with somebody unit, wherein it is possible to be that each current-limiting resistance is respectively provided with corresponding first matching unit and the second matching unit；Can also be
There is partial throttle resistance corresponding first matching unit, partial throttle resistance there is corresponding second matching unit, for example may be used
With as shown in Fig. 2 there is current-limiting resistance R1 corresponding first matching unit, current-limiting resistance R2 to have corresponding second coupling single
There is corresponding first matching unit, current-limiting resistance R2 and R3 to have corresponding second for unit, or current-limiting resistance R1 and R2
Matching unit.Concrete connected mode may refer to previous embodiment.
In the case where each current-limiting resistance has corresponding first matching unit and the second matching unit, each current limliting electricity
Resistance may be referred to Fig. 3 with the connected mode of corresponding first matching unit, each current-limiting resistance and corresponding second matching unit
Connected mode may be referred to Fig. 4, user by controlling switch S4 disconnect, when controlling switch S5 also disconnects, by one-touch S1,
Will be via microphone lines M to user terminal output current signal C1, user terminal will be according between the electric current and function for setting
Corresponding relation, carry out the function controlling of corresponding current C1；One-touch S2 is pressed, will be via microphone lines M to user's end
End output current signal C2, user terminal will be carried out once corresponding according to the corresponding relation between the electric current and function for setting
The function controlling of electric current C2；One-touch S3 is pressed, will be via microphone lines M to user terminal output current signal C3, user's end
End will carry out the function controlling of corresponding current C3 according to the corresponding relation between the electric current and function for setting.In user
Controlling switch S4 is disconnected, when controlling switch S5 is closed, by one-touch S1, will be exported to user terminal via microphone lines M
Current signal A1, user terminal will carry out corresponding current A1 according to the corresponding relation between the electric current and function for setting
Function controlling；One-touch S2 is pressed, will be via microphone lines M to user terminal output current signal A2, user terminal will
According to the corresponding relation between the electric current and function for setting, the function controlling of corresponding current A2 is carried out；One-touch S3 is pressed,
Will be via microphone lines M to user terminal output current signal A3, user terminal will be according between the electric current and function for setting
Corresponding relation, carry out the function controlling of corresponding current A3.Controlling switch S4 is closed in user, controlling switch S5 disconnects
When, by one-touch S1, will be via microphone lines M to user terminal output current signal D1, user terminal will be according to setting
Electric current and function between corresponding relation, carry out the function controlling of corresponding current D1；One-touch S2 is pressed, will be via wheat
, to user terminal output current signal D2, user terminal will be according to the corresponding pass between the electric current and function for setting for gram wind line M
System, carries out the function controlling of corresponding current D2；One-touch S3 is pressed, will be via microphone lines M to user terminal output electricity
Stream signal D3, user terminal will carry out corresponding current D3 according to the corresponding relation between the electric current and function for setting
Function controlling.Controlling switch S4 is closed in user, when controlling switch S5 is closed, by one-touch S1, will be via microphone lines M
To user terminal output current signal B1, user terminal will be carried out according to the corresponding relation between the electric current and function for setting
The function controlling of corresponding current B1；One-touch S2 is pressed, will be via microphone lines M to user terminal output current signal
B2, user terminal according to the corresponding relation between the electric current and function for setting, will carry out the function behaviour of corresponding current B2
Control；One-touch S3 is pressed, will be via microphone lines M to user terminal output current signal B3, user terminal will be according to setting
Electric current and function between corresponding relation, carry out the function controlling of corresponding current B3.In this way, it is possible to cause this practicality
New line control earphone can realize more control functions, meanwhile, by arranging the resistance of build-out resistor, enable to this reality
With the mobile phone of new line control earphone three kinds of different models of compatibility, corresponding function control is carried out to these three mobile phones.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to drawn in other positions from earphone cord, in order that this
Utility model line control earphone outward appearance is more attractive in appearance, and expanded circuit is integrated on master control borad, it is to avoid draw expanded circuit on earphone
Module.
The description of the various embodiments described above primary focus and the difference of other embodiment, but those skilled in the art should be clear
Chu, the various embodiments described above can be used alone as needed or be combined with each other.
Although some specific embodiments of the present utility model are described in detail by example, 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 (9)
1. a kind of line control earphone, it is characterised in that including line control earphone body and expanded circuit, the line control earphone body includes
Earphone cord and the master control borad being connected with the earphone cord, the earphone cord are included microphone lines and ground wire, are set on the master control borad
Button is equipped with, each button is connected in series between the microphone lines and the ground wire with corresponding current-limiting resistance；Institute
Stating expanded circuit includes first matching unit one-to-one with current-limiting resistance described at least one, the first matching unit tool
There is the first coupling switch and the first build-out resistor being connected in series, each first matching unit and corresponding current-limiting resistance are simultaneously
Connection connection；And/or the expanded circuit includes second matching unit one-to-one with current-limiting resistance described at least one, described
Second matching unit have be connected in parallel second coupling switch and the second build-out resistor, each second matching unit with right
The current-limiting resistance that answers is connected in series between the microphone lines and the ground wire.
2. line control earphone according to claim 1, it is characterised in that the expanded circuit includes and limits described at least one
One-to-one first matching unit of leakage resistance, each first coupling switch are respectively provided with the control for receiving switch controlling signal
End, the expanded circuit also include for control described first coupling on off state the first controlling switch, each described first
The control end of coupling switch is connected to the microphone lines through first controlling switch.
3. line control earphone according to claim 2, it is characterised in that first controlling switch is toggle switch.
4. line control earphone according to claim 2, it is characterised in that the expanded circuit is arranged by the first simulation
Switch chip provides the first coupling switch.
5. line control earphone according to claim 1 and 2, it is characterised in that the expanded circuit includes and at least one institute
One-to-one second matching unit of current-limiting resistance is stated, each second coupling switch is respectively provided with and receives switch controlling signal
Control end, the expanded circuit are also included for controlling the described second the second controlling switch for mating on off state, each described
The control end of the second coupling switch is connected to the microphone lines through second controlling switch.
6. line control earphone according to claim 5, it is characterised in that second controlling switch is toggle switch.
7. line control earphone according to claim 5, it is characterised in that the expanded circuit is arranged by the second simulation
Switch chip provides the second coupling switch.
8. line control earphone according to claim 1, it is characterised in that each current-limiting resistance is respectively provided with corresponding described
First matching unit and/or second matching unit.
9. line control earphone according to claim 1, it is characterised in that the expanded circuit is arranged on the master control borad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620871302.0U CN206024049U (en) | 2016-08-11 | 2016-08-11 | A kind of line control earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620871302.0U CN206024049U (en) | 2016-08-11 | 2016-08-11 | A kind of line control earphone |
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| Publication Number | Publication Date |
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| CN206024049U true CN206024049U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620871302.0U Active CN206024049U (en) | 2016-08-11 | 2016-08-11 | A kind of line control earphone |
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| CN (1) | CN206024049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131730A (en) * | 2016-08-11 | 2016-11-16 | 歌尔股份有限公司 | A kind of line control earphone |
| CN111093134A (en) * | 2019-12-23 | 2020-05-01 | Oppo广东移动通信有限公司 | Earphone control device, earphone control method and earphone |
-
2016
- 2016-08-11 CN CN201620871302.0U patent/CN206024049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131730A (en) * | 2016-08-11 | 2016-11-16 | 歌尔股份有限公司 | A kind of line control earphone |
| CN111093134A (en) * | 2019-12-23 | 2020-05-01 | Oppo广东移动通信有限公司 | Earphone control device, earphone control method and earphone |
| CN111093134B (en) * | 2019-12-23 | 2022-01-11 | Oppo广东移动通信有限公司 | Earphone control device, earphone control method and earphone |
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