CN106131730A - A kind of line control earphone - Google Patents

A kind of line control earphone Download PDF

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Publication number
CN106131730A
CN106131730A CN201610656929.9A CN201610656929A CN106131730A CN 106131730 A CN106131730 A CN 106131730A CN 201610656929 A CN201610656929 A CN 201610656929A CN 106131730 A CN106131730 A CN 106131730A
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CN
China
Prior art keywords
switch
current
earphone
matching unit
line control
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Pending
Application number
CN201610656929.9A
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Chinese (zh)
Inventor
王砚波
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Goertek Inc
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Goertek Inc
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Publication date
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Priority to CN201610656929.9A priority Critical patent/CN106131730A/en
Publication of CN106131730A publication Critical patent/CN106131730A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041Mechanical or electronic switches, or control elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03Connection circuits to selectively connect loudspeakers or headphones to amplifiers

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

The invention discloses a kind of line control earphone, including line control earphone body and expanded circuit, line control earphone body includes earphone cord and the master control borad being connected with earphone cord, earphone cord includes microphone lines and ground wire, being provided with button on master control borad, each button is connected in series between microphone lines and ground wire with corresponding current-limiting resistance;Expanded circuit includes and at least one current-limiting resistance the first matching unit one to one, and the first matching unit has the first coupling switch and the first build-out resistor being connected in series, and each first matching unit is connected in parallel with corresponding current-limiting resistance;And/or expanded circuit includes and at least one current-limiting resistance the second matching unit one to one, second matching unit has the second coupling switch and the second build-out resistor being connected in parallel, and each second matching unit is connected in series between microphone lines and ground wire with corresponding current-limiting resistance.By arranging expanded circuit in line control earphone, so that line control earphone realizes more functions of multiple keys.

Description

A kind of line control earphone
Technical field
The present invention relates to a kind of line control earphone, more particularly it relates to an be provided with the line traffic control ear of expanded circuit Machine.
Background technology
The control mode of line control earphone is essentially button manipulation, and specially line control earphone has three buttons, is respectively Starting Pause key, volume increases key and volume reduces key, or respectively starts Pause key, advance key and back spacer, Yong Hutong Crossing the change that pushes button and exporting the size of current to microphone lines, and then enabling user terminal according to the current value of microphone lines Realize the control corresponding with button operation, it is achieved terminal plays is manipulated.
At present, some functional earphone (such as heart rate detection earphone, noise cancelling headphone etc.) has with common line control earphone Button when functional earphone uses as common headphones, keypress function as the function of common line control earphone, but, when When this type of functional earphone microphone lines provides other functions, button detection function may be forbidden, and affects Consumer's Experience.Cause This, it is the most valuable for proposing a kind of line control earphone extending earphone keystroke function.
Summary of the invention
It is an object of the present invention to provide a kind of line control earphone that can realize more functions of multiple keys.
According to the first aspect of the invention, it is provided that a kind of line control earphone, including line control earphone body and expanded circuit, institute State line control earphone body and include earphone cord and the master control borad being connected with described earphone cord, described earphone cord include microphone lines and Ground wire, described master control borad is provided with button, and each described button is connected in series in described mike with corresponding current-limiting resistance Between line and described ground wire;Described expanded circuit include with current-limiting resistance at least one described one to one first mate single Unit, described first matching unit has the first coupling switch and the first build-out resistor being connected in series, each described first coupling Unit is connected in parallel with corresponding current-limiting resistance;And/or described expanded circuit includes with current-limiting resistance at least one described one by one The second corresponding matching unit, described second matching unit has the second coupling switch and the second build-out resistor being connected in parallel, Each described second matching unit is connected in series between described microphone lines and described ground wire with corresponding current-limiting resistance.
Optionally, described expanded circuit includes and first matching unit one to one of current-limiting resistance at least one described, Each described first coupling switch is respectively provided with the control end receiving switch controlling signal, and described expanded circuit also includes for controlling First control switch of described first coupling on off state, the control end of each described first coupling switch is all controlled through described first Switch processed is connected to described microphone lines.
Optionally, described first controls to switch as toggle switch.
Optionally, described expanded circuit is arranged by the first analog switch chip and provides described first coupling switch.
Optionally, described expanded circuit includes and second matching unit one to one of current-limiting resistance at least one described, Each described second coupling switch is respectively provided with the control end receiving switch controlling signal, and described expanded circuit also includes for controlling Second control switch of described second coupling on off state, the control end of each described second coupling switch is all controlled through described second Switch processed is connected to described microphone lines.
Optionally, described second controls to switch as toggle switch.
Optionally, described expanded circuit is arranged by the second analog switch chip and provides described second coupling switch.
Optionally, each described current-limiting resistance is respectively provided with described first matching unit of correspondence and/or described second coupling Unit.
Optionally, described expanded circuit is arranged on described master control borad.
It was found by the inventors of the present invention that in the prior art, there is line control earphone and cannot realize terminal except playing manipulation The problem that other outer functions control.And in the present invention, by arranging expanded circuit in line control earphone, so that line traffic control Earphone realizes more functions of multiple keys, and, by arranging build-out resistor, so that line control earphone can mate different model Mobile phone.Therefore, the present invention is to be realized technical assignment or to be solved technical problem is that those skilled in the art are never That expect or it is not expected that, therefore the present invention is a kind of new technical scheme.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and Advantage will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even With its explanation together for explaining the principle of the present invention.
Fig. 1 is existing wire headset circuit schematic diagram;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of a kind of line control earphone according to the present invention;
Fig. 3 is the circuit theory diagrams of the another embodiment of a kind of line control earphone according to the present invention;
Fig. 4 is the circuit theory diagrams of the third embodiment of a kind of line control earphone according to the present invention.
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-control switch;M-microphone lines;
G-ground wire;U1, U2-analog switch chip;
VCC1, VCC2-power end;GND1, GND2-earth terminal;
EN1, EN2-control end;C1-electric capacity;
R4-resistance;MIC-mike.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless additionally have Body illustrates, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to this The scope of invention.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention And any restriction applied 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.
The present invention is to solve existing line control earphone cannot realize to terminal except play manipulation in addition to other functions control Problem, it is provided that a kind of line control earphone that expanded circuit is set.
For the ease of understanding line control earphone of the present invention, first introduce the basic circuit principle of button line control earphone, Fig. 1 is line control earphone body circuit, and master control borad is provided with three function buttons, i.e. starts Pause key S1, volume increase key S2 Reduce key S3, this startup Pause key S1 and current-limiting resistance R1 with volume to be connected in series between microphone lines M and ground wire G, this limit Leakage resistance R1 is arranged to when starting Pause key S1 and being pressed make microphone lines M obtain correspondence and starts Pause key manipulation instruction Current signal;This volume increases key S2 and current-limiting resistance R2 and is connected in series between microphone lines M and ground wire G, this current-limiting resistance R2 is arranged to increase, in volume, the electric current letter making microphone lines M obtain corresponding volume increase key manipulation instruction when key S2 is pressed Number;This volume reduces key S3 and current-limiting resistance R3 and is connected in series between microphone lines M and ground wire G, and this current-limiting resistance R3 is set It is set to reduce, in volume, the current signal making microphone lines M obtain corresponding volume reduction key manipulation instruction when key S3 is pressed.This Sample, when user presses one-shot Pause key S1, will start time-out manipulation via microphone lines M to user terminal output correspondence and refer to The current signal of order, now, user terminal will carry out one-shot according to this kind of corresponding relation set or suspend manipulation; When user presses a volume increase key S2, manipulation will be increased via microphone lines M to the corresponding volume of user terminal output and instruct Current signal, now, user terminal will carry out volume according to this kind of corresponding relation set and increase manipulation;User When pressing a volume reduction key S3, will reduce, to the corresponding volume of user terminal output, the electric current that manipulation instructs via microphone lines M Signal, now, user terminal will carry out a volume according to this kind of corresponding relation set and reduce manipulation.
Fig. 2 is the circuit theory diagrams according to a kind of embodiment of line control earphone of the present invention, and line control earphone of the present invention includes line Control headset body and expanded circuit, line control earphone body includes master control borad, left otaphone and the right side that earphone cord is connected with earphone cord Otaphone, earphone cord includes L channel line L, R channel line R, microphone lines M and ground wire G, and earphone cord is by L channel line L, right sound Diatom R, microphone lines M and ground wire G are encapsulated in same insulator sheath, and mike is arranged on master control borad, and mike is just Pole is connected to microphone lines M, negative pole and ground wire G through biasing resistor R4 and connects, and connecting between microphone lines M and ground wire G has electric capacity C1, has jamproof effect, and the positive and negative electrode of left otaphone is connected with L channel line L and bottom line G respectively, auris dextra receiver just, Negative pole 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, it is also possible to only One receiver is drawn by master control borad, and the mike of line control earphone body is generally arranged on master control borad, and is connected to mike The button of mode connected as described above it is provided with on master control borad between line M and ground wire G;Expanded circuit includes and at least one current limliting electricity Resistance the first matching unit one to one, the first matching unit has the first coupling switch and the first coupling electricity being connected in series Resistance, each first matching unit is connected in parallel with corresponding current-limiting resistance;And/or expanded circuit includes and at least one current limliting electricity Resistance the second matching unit one to one, the second matching unit has the second coupling switch and the second coupling electricity being connected in parallel Resistance, each second matching unit is connected in series between microphone lines M and ground wire G with corresponding current-limiting resistance.
Due to the size of current of microphone lines M when electronic equipment is to be pressed by detection button, it is achieved 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 makes Line control earphone of the present invention is by controlling coupling switch and button, it is achieved more keypress function controls.
In one particular embodiment of the present invention, expanded circuit includes and at least one current-limiting resistance one to one One matching unit, the first matching unit has the first coupling switch and the first build-out resistor being connected in series, each first coupling Unit is connected in parallel with corresponding current-limiting resistance.
In order to realize more function by original three buttons, can arrange each current-limiting resistance be respectively provided with right The first matching unit answered, so, original button can realize at least one expanded function.
The number of switches of operation, the first of the first matching unit is needed in order to reduce while realization is the most multi-functional Coupling switch can be respectively provided with the control end receiving switch controlling signal, and expanded circuit also includes the first control switch S4, each The control end of the first coupling switch all controls switch S4 through first and is connected to microphone lines M, opens as such, it is possible to arrange the first control When closing S4 disconnection, each coupling switch all disconnects;During the first control switch S4 Guan Bi, each first coupling switch all closes, this Sample, only increases by a first control 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, this analog switch chip U1 has one and controls end EN1, three groups of inputs and corresponding outfan, is often between group input and the outfan of correspondence One coupling switch, power end VCC1 is connected to microphone lines M, and earth terminal GND1 is connected to ground wire G, such as, control termination and receive height During level signal, the first coupling switch conduction between first input end and the first outfan of correspondence, the second input and right The second coupling switch between the second outfan answered is also switched on, the 3rd between the 3rd input and the 3rd outfan of correspondence Coupling switch is also switched on;Control termination when receiving low level signal, the between first input end and the first outfan of correspondence One coupling switches off, and the second coupling switch between the second input and the second outfan of correspondence also disconnects, the 3rd input The 3rd coupling switch between end and the 3rd outfan of correspondence also disconnects.All first is provided by analog switch chip U1 Join switch, it is possible to effectively reduce expanded circuit and take circuit space.
Concrete, circuit theory diagrams can be as it is shown on figure 3, analog switch chip U1 and Corresponding matching resistance and current-limiting resistance Connected mode, be equivalent to coupling switch K1 connect with build-out resistor R1 ' after in parallel with current-limiting resistance R1, mate switch K2 and Distribution resistance R2 ' series connection after in parallel with current-limiting resistance R2, coupling switch K3 connect with build-out resistor R3 ' after with current-limiting resistance R3 also Connection, the control end EN1 of analog switch chip U1 is connected to microphone lines M through controlling switch S4, so, control is switched user 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 electric current and the function set, carry out the function controlling of corresponding current A1;By one-touch S2, will Via microphone lines M to user terminal output current signal A2, between user terminal will be according to electric current and the function set Corresponding relation, carries out the function controlling of corresponding current A2;By one-touch S3, 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 electric current and the function set The function controlling of stream A3.When user is by control switch S4 Guan Bi, by one-touch S1, will via microphone lines M to user eventually End output current signal B1, user terminal will carry out once corresponding according to the corresponding relation between electric current and the function set The function controlling of electric current B1;By one-touch S2, will be via microphone lines M to user terminal output current signal B2, user is eventually End will carry out the function controlling of corresponding current B2 according to the corresponding relation between electric current and the function set;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 set and merit 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 triggering corresponding function is different, such as, for A product Board electronic equipment, the microphone lines M current value triggering startup pause function is A1, triggers microphone lines M of volume up function Current value is A2, and the microphone lines M current value triggering volume reduction function is A3, and corresponding B brand electronic equipment triggers and starts temporarily The microphone lines M current value stopping function is B1, and the microphone lines M current value 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 by the resistance arranging each resistance so that control switch S4 and break When opening, push button S1, and microphone lines M obtains and triggers the current signal A1 starting pause function, and push button S2, microphone lines M obtains the current signal A2 triggering volume up function;Push button S3, and microphone lines M obtains and triggers volume reduction function Current signal A3.When controlling switch S4 Guan Bi, push button S1, and microphone lines M obtains the electric current letter triggering volume up function Number B1;Push button S2, and microphone lines M obtains and triggers the current signal B2 starting pause function;Push button S3, microphone lines M obtains the current signal B3 triggering volume reduction function.So, the button of line control earphone of the present invention just can be to different brands Electronic equipment carries out corresponding function control, it is also possible to arranging each current value of microphone lines M can trigger in electronic equipment side Corresponding function, it becomes possible to realize more multi-functional control.
If button S1 and current-limiting resistance R1 is connected between microphone lines M and ground wire G, button S2 and current-limiting resistance R2 goes here and there Being 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 Time, 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 also Connection.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to draws in other positions from earphone cord, in order to make this Invention 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 module on earphone.
In another specific embodiment of the present invention, expanded circuit includes with at least one current-limiting resistance one to one Second matching unit, the second matching unit has the second coupling being connected in parallel and switchs and the second build-out resistor, each second Join unit to be connected in series between microphone lines M and ground wire G with corresponding current-limiting resistance.
In order to realize more function by original three buttons, can arrange each current-limiting resistance be respectively provided with right The second matching unit answered, so, original button can realize at least one expanded function.
The number of switches of operation, the second of the second matching unit is needed in order to reduce while realization is the most multi-functional Coupling switch can also be respectively provided with reception switch control terminal, and expanded circuit also includes that the second control switch, each second coupling are opened The control end closed all controls switch through second and is connected to microphone lines M, as such, it is possible to arrange the second control when switching off, often One second coupling switch all disconnects;During the second control switch Guan Bi, each second coupling switch all closes, so, it becomes possible in fact 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, this analog switch core Sheet U2 has one and controls end EN2, and three groups of inputs and corresponding outfan, often group input and corresponding outfan it Between be a coupling switch, power end VCC2 is connected to microphone lines M, and earth terminal GND2 is connected to ground wire G, such as, control termination When receiving high level signal, the second coupling switch conduction between the second input and the second outfan of correspondence, the second input The second coupling switch between end and the second outfan of correspondence is also switched on, between the 3rd input and the 3rd outfan of correspondence The 3rd coupling switch be also switched on;Control termination when receiving low level signal, the second input and the second corresponding outfan it Between the second coupling switch off, the second coupling switch between the second input and the second outfan of correspondence also disconnects, the The 3rd coupling switch between three inputs and the 3rd outfan of correspondence also disconnects.There is provided all by analog switch chip U1 Second coupling switch, it is possible to effectively reduce expanded circuit and take circuit space.
Concrete, circuit theory diagrams can as shown in Figure 4, analog switch chip U2 and Corresponding matching resistance and current-limiting resistance Connected mode, be 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 ' is 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 ' is in parallel with build-out resistor R3 ", simulation The control end EN2 of switch chip U2 is connected to microphone lines M through controlling switch S5, so, is disconnected by control switch S5 user Time, 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;By one-touch S2, will be via wheat Gram wind line M is to user terminal output current signal C2, and user terminal will close according to corresponding between electric current and the function set System, carries out the function controlling of corresponding current C2;By one-touch S3, 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 electric current and the function set Function controlling.When user is by control switch S5 Guan Bi, 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 electric current and the function set Function controlling;By one-touch S2, will be via microphone lines M to user terminal output current signal A2, user terminal will According to the corresponding relation between electric current and the function set, carry out the function controlling of corresponding current A2;By one-touch S3, Will be via microphone lines M to user terminal output current signal A3, between user terminal will be according to electric current and the function set Corresponding relation, carry out the function controlling of corresponding current A3.
For the electronic equipment of different brands, the microphone lines M current value triggering corresponding function is different, such as, for A product Board electronic equipment, the microphone lines M current value triggering startup pause function is A1, triggers microphone lines M of volume up function Current value is A2, and the microphone lines M current value triggering volume reduction function is A3, and corresponding C brand electronic equipment triggers and starts temporarily The microphone lines M current value stopping function is C1, and the microphone lines M current value 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 by the resistance arranging each resistance so that control switch S5 and break When opening, when coupling switch K1 ' disconnects, push button S1, and microphone lines M obtains the current signal C1 triggering volume up function; Push button S2, and microphone lines M obtains the current signal C2 triggering volume up function;Push button S3, and microphone lines M obtains Trigger volume and reduce the current signal C3 of function.When controlling switch S5 Guan Bi, push button S1, and microphone lines M obtains triggering and opens The current signal A1 of dynamic pause function, push button S2, and microphone lines M obtains and triggers the current signal A2 starting pause function; Push button S3, and microphone lines M obtains the current signal A3 triggering volume reduction function.So, the pressing of line control earphone of the present invention Key just can carry out corresponding function control to the electronic equipment of different brands, it is also possible to arranges microphone lines in electronic equipment side The corresponding function that each current value of M can trigger, it becomes possible to realize more multi-functional control.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to draws in other positions from earphone cord, in order to make this Invention 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 module on earphone.
In the 3rd specific embodiment of the present invention, expanded circuit includes that above-mentioned first matching unit and the second coupling are single Unit, wherein it is possible to be that each current-limiting resistance is respectively provided with the first corresponding matching unit and the second matching unit;It can also be part Current-limiting resistance has the first matching unit of correspondence, and partial throttle resistance has the second matching unit of correspondence, such as can be as Shown in Fig. 2, current-limiting resistance R1 has the first matching unit of correspondence, and current-limiting resistance R2 has the second matching unit of correspondence, also Can be that current-limiting resistance R1 and R2 has the first corresponding matching unit, the second coupling that current-limiting resistance R2 and R3 has correspondence be single Unit.Concrete connected mode may refer to previous embodiment.
In the case of each current-limiting resistance has the first matching unit and second matching unit of correspondence, each current limliting electricity Resistance is referred to Fig. 3, each current-limiting resistance and the second corresponding matching unit with the connected mode of the first corresponding matching unit Connected mode be referred to Fig. 4, user, control switch S4 is disconnected, controls switch S5 when also disconnecting, by one-touch S1, Will be via microphone lines M to user terminal output current signal C1, between user terminal will be according to electric current and the function set Corresponding relation, carry out the function controlling of corresponding current C1;By one-touch S2, will via microphone lines M to user eventually End output current signal C2, user terminal will carry out once corresponding according to the corresponding relation between electric current and the function set The function controlling of electric current C2;By one-touch S3, will be via microphone lines M to user terminal output current signal C3, user is eventually End will carry out the function controlling of corresponding current C3 according to the corresponding relation between electric current and the function set.User Control switch S4 is disconnected, when controlling switch S5 Guan Bi, 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 electric current and the function set Function controlling;By one-touch S2, will be via microphone lines M to user terminal output current signal A2, user terminal will According to the corresponding relation between electric current and the function set, carry out the function controlling of corresponding current A2;By one-touch S3, Will be via microphone lines M to user terminal output current signal A3, between user terminal will be according to electric current and the function set Corresponding relation, carry out the function controlling of corresponding current A3.User by control switch S4 Guan Bi, control switch S5 and disconnect Time, 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;By one-touch S2, will be via wheat Gram wind line M is to user terminal output current signal D2, and user terminal will close according to corresponding between electric current and the function set System, carries out the function controlling of corresponding current D2;By one-touch S3, 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 electric current and the function set Function controlling.User by control switch S4 Guan Bi, when controlling switch S5 Guan Bi, 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 electric current and the function set The function controlling of corresponding current B1;By one-touch S2, will be via microphone lines M to user terminal output current signal B2, user terminal according to the corresponding relation between electric current and the function set, will carry out the function behaviour of corresponding current B2 Control;By one-touch S3, 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.So, it becomes possible to make the present invention Line control earphone be capable of more controlling function, meanwhile, by arranging the resistance of build-out resistor, it is possible to make the present invention's The mobile phone of the compatible three kinds of different models of line control earphone, carries out corresponding function control to these three mobile phone.
Wherein, expanded circuit can be integrated on master control borad, it is also possible to draws in other positions from earphone cord, in order to make this Invention 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 module on earphone.
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, some specific embodiments of the present invention have been described in detail, but the skill of this area Art personnel are it should be understood that example above is merely to illustrate rather than in order to limit the scope of the present invention.The skill of this area Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This Bright scope is defined by the following claims.

Claims (9)

1. a line control earphone, it is characterised in that include that line control earphone body and expanded circuit, described line control earphone body include Earphone cord and the master control borad being connected with described earphone cord, described earphone cord includes microphone lines and ground wire, described master control borad sets Being equipped with button, each described button is connected in series between described microphone lines and described ground wire with corresponding current-limiting resistance;Institute State expanded circuit to include and first matching unit one to one of current-limiting resistance at least one described, described first matching unit tool Having the first coupling switch and the first build-out resistor being connected in series, each described first matching unit is with corresponding current-limiting resistance also Connection connects;And/or described expanded circuit includes and second matching unit one to one of current-limiting resistance at least one described, described Second matching unit has the second coupling switch and the second build-out resistor being connected in parallel, and each described second matching unit is with right The current-limiting resistance answered is connected in series between described microphone lines and described ground wire.
Line control earphone the most according to claim 1, it is characterised in that described expanded circuit includes and limit at least one described Leakage resistance the first matching unit one to one, each described first coupling switch is respectively provided with the control receiving switch controlling signal End, described expanded circuit also includes switching for the first control controlling described first coupling on off state, and each described first The control end of coupling switch all controls switch through described first and is connected to described microphone lines.
Line control earphone the most according to claim 2, it is characterised in that described first controls to switch as toggle switch.
Line control earphone the most according to claim 2, it is characterised in that described expanded circuit is arranged by the first simulation Switch chip provides described first coupling switch.
Line control earphone the most according to claim 1 and 2, it is characterised in that described expanded circuit includes and at least one institute Stating current-limiting resistance the second matching unit one to one, each described second coupling switch is respectively provided with and receives switch controlling signal Controlling end, described expanded circuit also includes the second control switch for controlling described second coupling on off state, each described The control end of the second coupling switch all controls switch through described second and is connected to described microphone lines.
Line control earphone the most according to claim 5, it is characterised in that described second controls to switch as toggle switch.
Line control earphone the most according to claim 5, it is characterised in that described expanded circuit is arranged by the second simulation Switch chip provides described second coupling switch.
Line control earphone the most according to claim 1, it is characterised in that each described current-limiting resistance is respectively provided with the described of correspondence First matching unit and/or described second matching unit.
Line control earphone the most according to claim 1, it is characterised in that described expanded circuit is arranged on described master control borad.
CN201610656929.9A 2016-08-11 2016-08-11 A kind of line control earphone Pending CN106131730A (en)

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Application publication date: 20161116