CN204761690U - Head circuit - Google Patents

Head circuit Download PDF

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Publication number
CN204761690U
CN204761690U CN201520540891.XU CN201520540891U CN204761690U CN 204761690 U CN204761690 U CN 204761690U CN 201520540891 U CN201520540891 U CN 201520540891U CN 204761690 U CN204761690 U CN 204761690U
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interface
module
head circuit
audio
electronic equipment
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陈�峰
王玮冰
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HANGZHOU NAXIONG TECHNOLOGY Co Ltd
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HANGZHOU NAXIONG TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a head circuit, head circuit includes: earplug, microphone, interface, detection module and functional module, survey the module and connect each respectively the interface is used for surveying the interface signals of interface, and according to interface signals sends a control signal, the functional module is received control signal, according to control signal, optionally with the interface carries out data interchange, and passes through the control of detection module the interface with the functional module carries out data interchange, realizes the multi -functionalization of earphone for the earphone can be realized the nimble of various functions and use.

Description

Head circuit
Technical field
The utility model relates to audio devices technical field, particularly relates to a kind of head circuit.
Background technology
In recent years, portable audio playing apparatus extensively increases sharply.Such as, carry out audio frequency output by earphone, provide sound to user thus.Earphone is indispensable peripheral electronic device in modern electronic equipment (mobile phone or panel computer etc.).
But only have an audio interface in existing earphone, a such as analog interface (namely traditional audio jack), an or digital interface (as USB interface), due to the quantity of interface and type single, greatly limit the use of earphone.
Utility model content
The purpose of this utility model is, provides a kind of head circuit, head circuit and data wire is combined, and improves the integrated level of equipment, saves material.
For solving the problems of the technologies described above, the utility model provides a kind of head circuit, comprising:
Earplug;
Microphone;
Interface;
Detecting module, connects described interface respectively, and described detecting module detects the interface signal of described interface, sends a control signal according to described interface signal; And
Functional module, is electrically connected with described detecting module, and described functional module receives described control signal, according to described control signal, optionally carries out exchanges data with described interface.
Further, in described head circuit, described functional module comprises audio processing modules, described audio processing modules is electrically connected with described earplug, microphone, detecting module respectively, described audio processing modules receives described control signal, according to described control signal, optionally carry out exchanges data with described interface.
Further, in described head circuit,
Described detecting module comprises an interface features probe unit, and described interface features probe unit detects the characteristic of data on described interface, judges that described interface signal is simulated audio signal or digital audio and video signals, and sends an audio control signal;
Described audio processing modules comprises an audio codec and an analog switch, and described audio codec and analog switch are connected described interface, earplug, microphone respectively, and described analog switch receives described audio control signal;
When the interface signal of a described interface is simulated audio signal, described audio control signal controls described analog switch and closes, and described simulated audio signal is shorted to earplug and/or microphone; When the interface signal of a described interface is digital audio and video signals, described analog switch disconnects, and described audio codec drives described earplug and/or microphone.
Further, in described head circuit, on described interface, the characteristic of data comprises high level, low level, change frequency, multi-value level, multi valued logic level or analog level.
Further, in described head circuit, described functional module also comprises a bluetooth transceiver module, described bluetooth transceiver module connects described audio processing modules and described detecting module, described detecting module comprises an electric property probe unit, described electric property probe unit detects the status of electrically connecting of described interface, described electric property probe unit sends a Bluetooth control signal to described bluetooth transceiver module, controls the unlatching of described bluetooth transceiver module, closedown or configures the transfer of data of described bluetooth transceiver module and described interface.
Further, in described head circuit, when described interface accesses an external connected electronic equipment, if before described interface accesses described external connected electronic equipment, described external connected electronic equipment is in incoming call prompting or is in talking state, then described Bluetooth control signal controlling closes described bluetooth transceiver module; When described interface extracts described external connected electronic equipment, if before described interface extracts described external connected electronic equipment, described external connected electronic equipment is in incoming call prompting or is in talking state, then described Bluetooth control signal controlling opens described bluetooth transceiver module.
Further, in described head circuit, described head circuit also comprises a battery management module, and described battery management module is electrically connected with described interface.
Further, in described head circuit, described battery management module connects described detecting module, and described detecting module sends control signal to described battery management module, controls the configuration that the unlatching of described battery management module, closedown and described battery management module and described interface match.
Further, in described head circuit,
Described detecting module comprises a device characteristics probe unit, and the external connected electronic equipment that described device characteristics probe unit detects described interface is active or passive states, and sends a device characteristics signal;
Described battery management module comprises an energy-storage travelling wave tube and an electric energy pilot unit, and described electric energy pilot unit connects each described interface, device characteristics probe unit, energy-storage travelling wave tube respectively;
The external connected electronic equipment detecting described interface when described device characteristics probe unit is active, and described battery management module is internally charged, and described in described device characteristics signal controlling, interface is powered to described energy-storage travelling wave tube; The external connected electronic equipment detecting described interface when described device characteristics probe unit is passive states, and described battery management module is carried out externally to electricity, and described in described device characteristics signal controlling, energy-storage travelling wave tube is powered to described interface.
Further, in described head circuit, described electric energy pilot unit is bidirectional switch power supply or bidirectional current limiting voltage regulation unit.
Further, in described head circuit, described battery management module connects the power line of each described interface and/or the data wire of each described interface, and configuring described battery management module is internally to charge or externally to electricity.
Further, in described head circuit, described head circuit comprises plural described interface.
Further, in described head circuit, connect with signal mutually between each described interface.
Further, in described head circuit, the interface that each described interface is dissimilar each other.
Further, in described head circuit, described head circuit also comprises identification module of shaking hands, described identification module of shaking hands connects each described interface respectively, be provided with communications protocol in described identification module of shaking hands, when described interface accesses an external connected electronic equipment respectively, described in shake hands identification module according to described communications protocol, identify described external connected electronic equipment, and configure described functional module and described external connected electronic equipment sets up communication.
Further, in described head circuit, described interface is analog interface, digital interface or power interface.
Further, in described head circuit, described head circuit comprises a described earplug, and described head circuit also comprises:
External audio frequency plug;
External earplug, is connected with described external audio frequency plug;
The connector matched with described interface, described connector is connected with described external audio frequency plug, and described connector and described interface removably connect.
Compared with prior art, the head circuit that the utility model provides has the following advantages:
In the head circuit that the utility model provides, described head circuit comprises: earplug, microphone, interface, detecting module and functional module, compared with prior art, described detecting module connects described interface respectively, for detecting the interface signal of described interface, and send a control signal according to described interface signal, described functional module receives described control signal, according to described control signal, optionally carry out exchanges data with described interface, and control described interface by described detecting module and described functional module carries out exchanges data, realize the multifunction of earphone, make earphone can realize the flexible Application of various function.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of head circuit in the utility model first embodiment;
Fig. 2 is the circuit diagram of the utility model first embodiment sound intermediate frequency processing module;
Fig. 3 is the circuit diagram of battery management module in the utility model first embodiment;
Fig. 4 is the schematic diagram of head circuit in the utility model second embodiment.
Embodiment
Below in conjunction with schematic diagram, head circuit of the present utility model is described in more detail, which show preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In order to clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
In the following passage, more specifically the utility model is described by way of example with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, provides a kind of head circuit, and described head circuit comprises earplug; Microphone; Interface; Detecting module, connects described interface respectively, and described detecting module detects the interface signal of described interface, sends a control signal according to described interface signal; And functional module, be electrically connected with described detecting module, described functional module receives described control signal, according to described control signal, optionally carries out exchanges data with described interface.Described head circuit controls described interface by described detecting module and described functional module carries out exchanges data, realizes the multifunction of earphone, makes earphone can realize the flexible Application of various function.
Below enumerate several embodiments of described head circuit, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and other improvement by the routine techniques means of those of ordinary skill in the art are also within thought range of the present utility model.
First embodiment
Refer to Fig. 1-Fig. 3 and illustrate the first embodiment of the present utility model, wherein, Fig. 1 is the schematic diagram of head circuit in the utility model first embodiment; Fig. 2 is the circuit diagram of the utility model first embodiment sound intermediate frequency processing module; Fig. 3 is the circuit diagram of battery management module in the utility model first embodiment; Described head circuit 1 is in earphone.
As shown in Figure 1, described head circuit 1 comprises earplug 101, microphone 102, two interfaces 111 and 112, detecting module 120 and functional modules 130, described detecting module 120 connects each described interface 111,112 respectively, described detecting module 120 detects the interface signal of each described interface 111,112, sends a control signal according to described interface signal.Described functional module 130 is electrically connected with described detecting module 120, and described functional module 130 receives described control signal, according to described control signal, optionally carries out exchanges data with each described interface 111,112, realizes the multifunction of earphone.Wherein, described detecting module 120 inside can realize or custom circuit with MCU, the parameter such as voltage, electric current, load impedance detected on described interface 111,112 judges the equipment state on connecting line, such as simple divider resistance realizes the judgement of supply voltage, the transmission of edging trigger circuit realiration data judges, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
In the present embodiment, described head circuit 1 can comprise an earplug or two earplugs, in FIG, described head circuit 1 shows two described interfaces 111,112, in other embodiment of the present utility model, described head circuit 1 can also comprise one, three, four, five or etc. many described interface.Preferably, the interface that each described interface 111,112 is dissimilar each other, with the external connected electronic equipment (such as mobile phone, computer, panel computer or power plug are first-class) making described earphone can connect various interface, preferably, described interface 111,112 is analog interface (such as traditional audio jack), digital interface (such as USB interface etc.) or power interface.In the present embodiment, connect with signal mutually between each described interface 111,112, make can be energized between described interface 111,112 or transmit data, described earphone can be used as charging wire or data wire.
In the present embodiment, described functional module 130 comprises audio processing modules 131, described audio processing modules 131 is electrically connected with described earplug 101, microphone 102, detecting module 120, described interface 111 and 112 respectively, described audio processing modules 131 receives the described control signal that described detecting module 120 sends, according to described control signal, optionally carry out voice data exchange with each described interface 111,112.
Preferably, as shown in Figure 1, described detecting module 120 comprises an interface features probe unit 121, described interface features probe unit 121 detects the characteristic of data on interface 111 or 112 described in, judge that described interface signal V1 is simulated audio signal or digital audio and video signals, namely can judge to access the described interface 111 or 112 of described external connected electronic equipment as traditional audio jack or data-interface (as USB interface etc.), described interface features probe unit 121 sends an audio control signal V2 according to result of detection.Wherein, on described interface 111 or 112, the characteristic of data comprises high level, low level, change frequency, multi-value level, multi valued logic level or analog level etc.
In the present embodiment, as shown in Figure 2, described audio processing modules 131 comprises audio codec 1311 and an analog switch 1312, described audio codec 1311 and analog switch 1312 be connected respectively each described interface 111,112, earplug 101, microphone 102, described analog switch 1312 receives described audio control signal V2.When a described interface 111 or 112 accesses an external connected electronic equipment, when the interface signal V1 that described interface features probe unit 121 detects a described interface 111 or 112 is simulated audio signal, then illustrate that the described interface 111 or 112 accessing described external connected electronic equipment is analog interface (such as traditional audio jack), described in described audio control signal control V2, analog switch 1312 closes, and described simulated audio signal V2 is shorted to earplug 101 and/or microphone 102; When a described interface 111 or 112 accesses an external connected electronic equipment, when the interface signal V1 that described interface features probe unit 121 detects a described interface 111 or 112 is digital audio and video signals, then illustrate that the described interface 111 or 112 accessing described external connected electronic equipment is data-interface (as USB interface etc.), described analog switch 1312 disconnects, and described audio codec 1311 drives described earplug 101 and/or microphone 102.General, a data transmit-receive module can also be comprised between the data wire of described audio codec 1311 and described interface 111 or 112, for the transmitting-receiving (such as 12S, USB, single-bit/multichannel code stream etc.) of different agreement data.
In the present embodiment, described head circuit 1 is for bluetooth earphone, described functional module 130 also comprises a bluetooth transceiver module 132, described bluetooth transceiver module 132 connects described audio processing modules 131 and described detecting module 120, described detecting module 120 comprises an electric property probe unit 122, described electric property probe unit 122 detects described interface 111, the status of electrically connecting of 112, described electric property probe unit 122 sends a Bluetooth control signal V3 to described bluetooth transceiver module 132, control the unlatching of described bluetooth transceiver module 132, close or configure described bluetooth transceiver module 132 and described interface 111, the transfer of data of 112.
When arbitrary described interface 111 or 112 accesses an external connected electronic equipment:
Earphone and external connected electronic device start cable data function of exchange, data type can be voice data or non-audio data, if data type is voice data, bi-directional data then can realize the receiving talking function of wired earphone, and unidirectional upstream data then can realize sound-recording function in this way; If data type is any non-audio data, realize bluetooth earphone and match with main frame in a wired fashion;
Described electric property probe unit 122 detects the access action of described interface 111 or 112, if before a described interface 111 or 112 accesses described external connected electronic equipment, be in incoming call prompting or be in talking state, then described Bluetooth control signal V3 controls to close described bluetooth transceiver module 132, the described audio processing modules 131 switching tone audio data of described external connected electronic equipment and described head circuit 1, thus realize wired call function, or the call function of described external connected electronic device start itself.
When arbitrary described interface 111 or 112 extracts an external connected electronic equipment:
If before a described interface 111 or 112 extracts described external connected electronic equipment, described external connected electronic equipment is in incoming call prompting, then described Bluetooth control signal V3 controls to open described bluetooth transceiver module 132, realize wireless connections, realize wireless communication, now, pull action can as answering action;
If before a described interface 111 or 112 extracts described external connected electronic equipment, described external connected electronic equipment is in talking state, namely described earphone and described external connected electronic equipment are cable modem speech phase, then described Bluetooth control signal V3 controls to open described bluetooth transceiver module 132, realize wireless connections, realize wireless communication.
In the present embodiment, as shown in Figure 1, described head circuit 1 also comprises a battery management module 133, described battery management module 133 is electrically connected with each described interface 111,112, when described interface 111,112 accesses an external connected electronic equipment, can be charged to described battery management module 133 by described interface 111,112.Preferably, described battery management module 133 connects described detecting module 120, described detecting module 120 sends control signal to described battery management module 133, controls the configuration that the unlatching of described battery management module 133, closedown and described battery management module 133 match with described interface 111 or 112.
Concrete, as shown in Figure 1, described detecting module 120 comprises a device characteristics probe unit 123, the external connected electronic equipment that described device characteristics probe unit 123 detects interface 111 or 112 described in is active or passive states, and send a device characteristics signal V4, wherein, active refers to that external connected electronic equipment contains power supply and can provide enough electric energy, and passive states comprises the complete non-transformer of external connected electronic equipment or power depletion is not enough to provide electric energy.As shown in Figure 3, described battery management module 133 comprises energy-storage travelling wave tube 1331 and an electric energy pilot unit 1332, described electric energy pilot unit connect respectively each described interface 111,112, device characteristics probe unit 123, energy-storage travelling wave tube 1331.Wherein, described electric energy pilot unit 1332 can control electric current and realize two-way admittance, can be bidirectional switch power supply or bidirectional current limiting voltage regulation unit, bidirectional switch power supply and bidirectional current limiting voltage regulation unit be what those having ordinary skill in the art will appreciate that, and therefore not to repeat here.
The external connected electronic equipment detecting interface 111 or 112 described in when described device characteristics probe unit 123 is active, described device characteristics signal V4 controls electric current from interface 111 or 112 described in described energy-storage travelling wave tube 1331 one-way conduction, as D1 direction in Fig. 3, realize interface 111 or 112 described in and power 1331 to described energy-storage travelling wave tube, realize carrying out internally (described battery management module 133) charging; The external connected electronic equipment detecting interface 111 or 112 described in when described device characteristics probe unit 123 is passive states, described device characteristics signal V4 controls electric current from described energy-storage travelling wave tube 1331 one-way conduction to interface 111 or 112 described in, as D2 direction in Fig. 3, realize described energy-storage travelling wave tube to power interface 111 or 112 described in 1331 to, realize carrying out externally (described external connected electronic equipment) to electricity.
Preferably, described battery management module 133 connects the power line of each described interface 111 or 112 and/or the data wire of each described interface 111 or 112, configure described battery management module 133 be internally charge or externally give electricity.
Preferably, as shown in Figure 1, described head circuit 1 also comprises identification module 140 of shaking hands, described in identification module 140 of shaking hands connect each described interface 111,112 respectively, communications protocol is provided with, for shaking hands of described earphone and external equipment in described identification module of shaking hands.When described interface 111 or 112 accesses an external connected electronic equipment respectively, described in shake hands identification module 140 according to described communications protocol, identify described external connected electronic equipment, and configure described functional module 120 and set up communication with described external connected electronic equipment.
In the present embodiment, when a described interface of described head circuit 1 accesses a PC, interface described in another accesses a mobile phone, then can realize described PC and charge to mobile phone, and can realize the exchanges data between described PC and mobile phone; When described head circuit 1 has the described interface of more than three, when a described interface of described head circuit 1 accesses an attaching plug, interface described in another accesses a mobile phone, interface described in one accesses another mobile phone again, then can realize described attaching plug simultaneously to a described mobile phone and the charging of another mobile phone, and the exchanges data between a described mobile phone and another mobile phone can be realized.
Second embodiment
Refer to Fig. 4, wherein, Fig. 4 is the schematic diagram of head circuit in the utility model second embodiment.In the diagram, reference number represents the parts that the statement identical with Fig. 1-Fig. 3 is identical with the first execution mode.The head circuit 2 of described second embodiment is substantially identical with the head circuit 1 of described first embodiment, its difference is: described head circuit 2 comprises a described earplug 101, described head circuit 2 also comprises: external audio frequency plug 201, external earplug 202 and connector 203, described external earplug 202 is connected with described external audio frequency plug 201, described connector 203 matches with described interface 112, described connector 203 removably connects with described interface 112, and described connector 203 is connected with described external audio frequency plug 201.In addition described head circuit 2 can also comprise an External microphone 204.
Wherein, described external audio frequency plug 201, external earplug 202, External microphone 204, form traditional mono headset, when described connector 203 is connected with described interface 112, described detecting module 120 detects the state of described interface 112, thus sends described audio control signal V2, controls described audio processing modules 131 by audio data transmission to described earplug 101, thus described earplug 101 and external earplug 202 are worked simultaneously, form stereo headset.
In addition, when described detecting module 120 detects the state of described interface 112, described detecting module 120 can also control the work of other functional module 130, according to foregoing description of the present utility model, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
In the present embodiment, described head circuit 2 can comprise a described interface or multiple described interface, as long as a described interface and described connector 203 match.
Described in preferred embodiment of the present utility model, but the utility model is not limited to above-described embodiment, such as:
Head circuit 1 described in described head circuit 1 is for bluetooth earphone in the above-described embodiments, described functional module 130 also comprises a bluetooth transceiver module 132, in other embodiment of the present utility model, described in described head circuit 1, head circuit 1 is for wired earphone, described functional module 130 does not comprise described bluetooth transceiver module 132, also within thought range of the present utility model;
In another embodiment of the present utility model, described head circuit 1 only can also have a described interface, then described battery management module 133 can also realize bidirectional power supply, in addition, when a described interface is data-interface, then described data-interface can be connected an A/D interface transducer, described head circuit 1 is connected an analog interface, then described head circuit 1 can also carry out the switching of analog/digital headset mode.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims (17)

1. a head circuit, is characterized in that, comprising:
Earplug;
Microphone;
Interface;
Detecting module, connects described interface respectively, and described detecting module detects the interface signal of described interface, sends a control signal according to described interface signal; And
Functional module, is electrically connected with described detecting module, and described functional module receives described control signal, according to described control signal, optionally carries out exchanges data with described interface.
2. head circuit as claimed in claim 1, it is characterized in that, described functional module comprises audio processing modules, described audio processing modules is electrically connected with described earplug, microphone, detecting module respectively, described audio processing modules receives described control signal, according to described control signal, optionally carry out exchanges data with described interface.
3. head circuit as claimed in claim 2, is characterized in that,
Described detecting module comprises an interface features probe unit, and described interface features probe unit detects the characteristic of data on described interface, judges that described interface signal is simulated audio signal or digital audio and video signals, and sends an audio control signal;
Described audio processing modules comprises an audio codec and an analog switch, and described audio codec and analog switch are connected described interface, earplug, microphone respectively, and described analog switch receives described audio control signal;
When the interface signal of a described interface is simulated audio signal, described audio control signal controls described analog switch and closes, and described simulated audio signal is shorted to earplug and/or microphone; When the interface signal of a described interface is digital audio and video signals, described analog switch disconnects, and described audio codec drives described earplug and/or microphone.
4. head circuit as claimed in claim 3, it is characterized in that, on described interface, the characteristic of data comprises high level, low level, change frequency, multi-value level, multi valued logic level or analog level.
5. head circuit as claimed in claim 2, it is characterized in that, described functional module also comprises a bluetooth transceiver module, described bluetooth transceiver module connects described audio processing modules and described detecting module, described detecting module comprises an electric property probe unit, described electric property probe unit detects the status of electrically connecting of described interface, described electric property probe unit sends a Bluetooth control signal to described bluetooth transceiver module, controls the unlatching of described bluetooth transceiver module, closedown or configures the transfer of data of described bluetooth transceiver module and described interface.
6. head circuit as claimed in claim 5, it is characterized in that, when described interface accesses an external connected electronic equipment, if before described interface accesses described external connected electronic equipment, described external connected electronic equipment is in incoming call prompting or is in talking state, then described Bluetooth control signal controlling closes described bluetooth transceiver module; When described interface extracts described external connected electronic equipment, if before described interface extracts described external connected electronic equipment, described external connected electronic equipment is in incoming call prompting or is in talking state, then described Bluetooth control signal controlling opens described bluetooth transceiver module.
7. head circuit as claimed in claim 1, it is characterized in that, described head circuit also comprises a battery management module, and described battery management module is electrically connected with described interface.
8. head circuit as claimed in claim 7, it is characterized in that, described battery management module connects described detecting module, described detecting module sends control signal to described battery management module, controls the configuration that the unlatching of described battery management module, closedown and described battery management module and described interface match.
9. head circuit as claimed in claim 8, is characterized in that,
Described detecting module comprises a device characteristics probe unit, and the external connected electronic equipment that described device characteristics probe unit detects described interface is active or passive states, and sends a device characteristics signal;
Described battery management module comprises an energy-storage travelling wave tube and an electric energy pilot unit, and described electric energy pilot unit connects each described interface, device characteristics probe unit, energy-storage travelling wave tube respectively;
The external connected electronic equipment detecting described interface when described device characteristics probe unit is active, and described battery management module is internally charged, and described in described device characteristics signal controlling, interface is powered to described energy-storage travelling wave tube; The external connected electronic equipment detecting described interface when described device characteristics probe unit is passive states, and described battery management module is carried out externally to electricity, and described in described device characteristics signal controlling, energy-storage travelling wave tube is powered to described interface.
10. head circuit as claimed in claim 9, it is characterized in that, described electric energy pilot unit is bidirectional switch power supply or bidirectional current limiting voltage regulation unit.
11. head circuits as claimed in claim 8, is characterized in that, described battery management module connects the power line of each described interface and/or the data wire of each described interface, and configuring described battery management module is internally to charge or externally to electricity.
12., as the head circuit in claim 1 to 11 as described in any one, is characterized in that, described head circuit comprises plural described interface.
13. head circuits as claimed in claim 12, is characterized in that, connect with signal mutually between each described interface.
14. head circuits as claimed in claim 12, is characterized in that, the interface that each described interface is dissimilar each other.
15. as the head circuit in claim 1 to 11 as described in any one, it is characterized in that, described head circuit also comprises identification module of shaking hands, described identification module of shaking hands connects each described interface respectively, be provided with communications protocol in described identification module of shaking hands, when described interface accesses an external connected electronic equipment respectively, described in shake hands identification module according to described communications protocol, identify described external connected electronic equipment, and configure described functional module and described external connected electronic equipment sets up communication.
16., as the head circuit in claim 1 to 11 as described in any one, is characterized in that, described interface is analog interface, digital interface or power interface.
17., as the head circuit in claim 1 to 11 as described in any one, is characterized in that, described head circuit comprises a described earplug, and described head circuit also comprises:
External audio frequency plug;
External earplug, is connected with described external audio frequency plug;
The connector matched with described interface, described connector is connected with described external audio frequency plug, and described connector and described interface removably connect.
CN201520540891.XU 2015-07-23 2015-07-23 Head circuit Active CN204761690U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105912299A (en) * 2016-04-29 2016-08-31 乐视控股(北京)有限公司 Method and device for controlling earphone mode switching, and electronic equipment
CN105975244A (en) * 2016-04-29 2016-09-28 乐视控股(北京)有限公司 Method and device for controlling mode switching of earphones and electronic equipment
CN106028184A (en) * 2016-04-29 2016-10-12 乐视控股(北京)有限公司 Earphone reset method and device, electronic equipment and earphone
CN106714030A (en) * 2015-07-23 2017-05-24 杭州纳雄科技有限公司 Earphone circuit
CN107613573A (en) * 2017-09-28 2018-01-19 上海摩软通讯技术有限公司 ANTENNAUDIO transcriber and its communication means

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106714030A (en) * 2015-07-23 2017-05-24 杭州纳雄科技有限公司 Earphone circuit
CN106714030B (en) * 2015-07-23 2022-03-08 杭州纳雄科技有限公司 Earphone circuit
CN105912299A (en) * 2016-04-29 2016-08-31 乐视控股(北京)有限公司 Method and device for controlling earphone mode switching, and electronic equipment
CN105975244A (en) * 2016-04-29 2016-09-28 乐视控股(北京)有限公司 Method and device for controlling mode switching of earphones and electronic equipment
CN106028184A (en) * 2016-04-29 2016-10-12 乐视控股(北京)有限公司 Earphone reset method and device, electronic equipment and earphone
CN107613573A (en) * 2017-09-28 2018-01-19 上海摩软通讯技术有限公司 ANTENNAUDIO transcriber and its communication means

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