CN207304828U - A kind of earphone - Google Patents
A kind of earphone Download PDFInfo
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- CN207304828U CN207304828U CN201720845794.0U CN201720845794U CN207304828U CN 207304828 U CN207304828 U CN 207304828U CN 201720845794 U CN201720845794 U CN 201720845794U CN 207304828 U CN207304828 U CN 207304828U
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- earphone
- frequency modulation
- controller
- control box
- modulation functions
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Abstract
The utility model discloses a kind of earphone, it is related to technical field of electronic equipment.The earphone includes：FM frequency modulation function parts；It is connected with the FM frequency modulation functions part, the controller of instruction is turned on and off for being sent to the FM frequency modulation functions part；It is connected with the FM frequency modulation functions part, the fm broadcast signal for the FM frequency modulation functions part to be exported after according to open command startup work is converted to the decoder of audio signal；And be connected with the decoder, for the audio signal to be converted to the receiver of analog signal output.In the technical solution that the utility model embodiment provides, earphone has independent FM frequency modulation functions, first, influence of the interference signal to FM signals can be effectively reduced, and then improves the audibility of FM signals；Second, the size of such as mobile phone terminal device can be reduced.
Description
Technical field
Technical field of electronic equipment is the utility model is related to, more specifically, the utility model is related to a kind of earphone.
Background technology
FM signal processing units built in mobile phone generally use with frequency modulation (Frequency Modulation, FM) function
The technical solution of (such as FM frequency modulation functions chip or circuit), and by the use of the left and right acoustic channels connecting line of earphone as FM signals at
Manage the reception antenna of unit.Earphone need to be connected by user when listening to FM broadcast using mobile phone with mobile phone.
And existing earphone is used for the interface with mobile phone connection (such as the USB interface or Type-C interfaces of standard) corresponding GND
Pin feet are connected together with phone housing and earphone outer covering, and such external interference signal passes through phone housing or earphone
Shell is connected directly with the GND in head circuit, causes interference with signal and FM signals are disturbed into interior of mobile phone, Jin Erying
Ring the audibility of FM signals.
Utility model content
The utility model embodiment provides a kind of earphone, with reduce entered by phone housing or earphone outer covering approach it is outer
Interference of boundary's noise to FM signals.
In one embodiment of the utility model, there is provided a kind of earphone.The earphone includes：
FM frequency modulation function parts；
It is connected with the FM frequency modulation functions part, the control of instruction is turned on and off for being sent to the FM frequency modulation functions part
Device；
It is connected with the FM frequency modulation functions part, for the FM frequency modulation functions part to be started work according to the open command
The fm broadcast signal exported after work is converted to the decoder of audio signal；And
It is connected with the decoder, for the audio signal to be converted to the receiver of analog signal output.
Alternatively, the earphone further includes：For gathering the microphone of analog signal and for analog signal to be changed
For the encoder of digital signal；
The microphone is connected with the encoder；
The encoder is connected with the controller.
Alternatively, FM frequency modulation functions part, the controller, the decoder and the encoder are welded on same
On circuit board.
Alternatively, the earphone further includes：Wired control box；
FM frequency modulation functions part, the controller, the decoder, the encoder and the microphone are arranged at
In the wired control box；
The decoder is connected by being pierced by the earphone cable of the wired control box with the receiver；
The wired control box is equipped with acoustic aperture, and the acoustic aperture is opposite with the microphone.
Alternatively, the earphone further includes：The FM for starting trigger signal and/or frequency range Regulate signal for exporting is adjusted
Control is arranged in the control box, and is connected with the controller in the control box.
Alternatively, the earphone further includes：Display for showing band information is arranged on the wired control box, and
It is connected with the controller in the wired control box.
Alternatively, the receiver includes left receiver and right receiver；
The left receiver and the right receiver pass through corresponding first earphone cable and the second earphone cable and the decoding respectively
Device connects.
Alternatively, the earphone further includes：Connector for establishing connection with external equipment connects with the controller
Connect.
Alternatively, the connector is USB interface or wireless communication interface.
Alternatively, the USB interface for MICRO-USB interfaces, TYPEA interfaces, Type-C interfaces, Lightning interfaces,
Min-USB interfaces or USB2.0 interfaces.
The technical solution that the utility model embodiment provides, by adding FM frequency modulation function parts in earphone so that earphone
Have the function of to receive FM signals and exported after handling FM signals, thus can be by FM signals built-in in mobile phone
Manage unit to remove, and then reduce the size of the terminal devices such as mobile phone；In addition, because FM frequency modulation function parts are now in earphone, pass through
The interference signal that phone housing enters interior of mobile phone would not impact FM signals；As it can be seen that the utility model embodiment carries
The technical solution of confession can effectively reduce influence of the interference signal to FM signals, and then improve the audibility of FM signals.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram for the earphone that one embodiment of the utility model provides；
Fig. 2 is a kind of structure diagram realized of decoder in the earphone that one embodiment of the utility model provides；
Fig. 3 is the structure diagram for the earphone that another embodiment of the utility model provides；
Fig. 4 is the structure diagram for the earphone that another embodiment of the utility model provides.
Embodiment
It is real below in conjunction with the utility model in order to make those skilled in the art more fully understand the utility model
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 shows the structure diagram for the earphone that one embodiment of the utility model provides.As shown in Figure 1, the earphone
Including：FM frequency modulation functions part 4；The controller 3 of instruction is turned on and off for being sent to FM frequency modulation functions part 4；For by FM tune
The fm broadcast signal that frequency functor 4 exports after according to open command startup work is converted to the decoder 5 of audio signal；With
And for converting audio signals into the receiver 1 of analog signal output.As shown in Figure 1, FM frequency modulation functions part 4 connects with controller 3
Connect, decoder 5 is connected with FM frequency modulation functions part 4, and receiver 1 is connected with decoder 5.
Wherein, FM frequency modulation functions part 4 is connected with controller 3, is turned on and off according to the instruction that controller 3 is sent.
Technical solution provided in this embodiment, by adding FM frequency modulation functions part 4 in earphone so that earphone has processing
The function of FM signals, can thus remove FM signal processing units built-in in mobile phone, and then reduces the terminals such as mobile phone and set
Standby size；Because FM frequency modulation functions part 4 is now in earphone, the interference signal that interior of mobile phone is entered by phone housing would not
FM signals are impacted；As it can be seen that the technical solution that the utility model embodiment provides can effectively reduce interference signal to FM
The influence of signal, and then improve the audibility of FM signals.
Further, as shown in Figure 1, the earphone that above-described embodiment provides may also include：For gathering the wheat of analog signal
Gram wind 7 and the encoder 6 for converting analog signals into digital signal.Microphone 7 is connected with encoder 6, encoder 6 with
Controller 3 connects.Encoder 6 sends out the digital signal that the analog signal that microphone 7 gathers generated after analog-to-digital conversion process
Send to controller 3.
A kind of achievable technical solution is that above-mentioned FM frequency modulation functions part 4, controller 3, decoder 5 and encoder 6 are equal
It is welded on same circuit board.Alternatively, FM frequency modulation functions part 4, controller 3, decoder 5 and encoder 6 are integrated in same chip
On.
When it is implemented, as shown in Figure 1, the earphone that above-described embodiment provides may also include：Wired control box 8.Correspondingly, control
Device 3, FM frequency modulation functions part 4, decoder 5, encoder 6 and microphone 7 are arranged in wired control box 8；Decoder 5 is by being pierced by line
The earphone cable of control box 8 is connected with receiver 1；Wired control box 8 is equipped with acoustic aperture (not shown in figure 1), and acoustic aperture is opposite with microphone 7.
Further, the earphone that above-described embodiment provides may also include：Start trigger signal and/or frequency range for exporting
The FM of Regulate signal adjusts control (not shown).FM adjust control be arranged in control box 8, and with the control in control box 8
Device 3 processed connects.User manually can adjust control to adjust the broadcast signal reception frequency range of FM frequency modulation functions part 4 by touch-control FM.
In the specific implementation, it can be entity control which, which adjusts control, such as, knob control or pressing control etc.；Certain FM tune
It can be virtual control to save control, for example, the touch pressing control of display on the touchscreen；Etc., the utility model embodiment
This is not especially limited.
Further, the earphone that above-described embodiment provides may also include the broadcast singal for showing FM frequency modulation functions part 4
Receive the display (not shown) of band information.The display can be with liquid crystal display or LED (light emitting
Diode, light emitting diode) display etc..Display is arranged on wired control box, and is connected with the controller in wired control box.Control
Device processed obtains the band information that FM frequency modulation functions part 4 currently receives broadcast singal, then sends the band information to display
Shown.
In a kind of achievable technical solution, as shown in Figure 1, receiver 1 includes left receiver 11 and the right side in above-mentioned earphone
Receiver 12；Left receiver 11 and right receiver 12 are connected by corresponding first earphone cable, 91 and second earphone cable 92 with decoder 5 respectively
Connect.Correspondingly, as shown in Fig. 2, decoder 5 be two, be respectively the first decoder DAC_L and the second decoder DAC_R；Listen on a left side
Cylinder 11 is connected by the first earphone cable 91 with the first decoder DAC_L, and right receiver 12 passes through the second earphone cable 92 and the second decoding
Device DAC_R connections.
Further, as shown in Figure 1, the earphone that above-described embodiment provides may also include：Connect for being established with external equipment
The connector 2 connect；Connector 2 is connected with controller 3.The external equipment being connected with earphone can be by connector 2 by external equipment
The audio signal or volume adjustment signals of output are sent to be performed corresponding to earphone controller 3, controller 3 according to the signal received
Control operation.Controller 3 can also be sent the audio signal that microphone gathers to external equipment by connector 2.
In the specific implementation, the connector 2 that above-described embodiment refers to can be USB interface or wireless communication interface.Tool
Body, above-mentioned USB interface is MICRO-USB interfaces, TYPEA interfaces, Type-C interfaces, Lightning interfaces, Min-USB connect
Mouth or USB2.0 interfaces etc., the utility model is not especially limited this.Wireless communication interface can be blue tooth interface.When even
When fitting 2 is USB interface, USB interface can be connected (as shown in Figure 1) with controller 3 by third ear machine line 9.
Further, as shown in Figure 3 and Figure 4, the earphone that above-described embodiment provides may also include：Power supply processing component.Electricity
Source processing component may include：(transistor electron filters by linear voltage regulator LDO, dc chopper DC/DC and wave filter CRYSTAL
Device)；Wherein, the connector 2 of dc chopper DC/DC and earphone connects, what the external equipment for connector 2 to be accessed provided
Fixed voltage is transformed to variable DC voltage；Wave filter CRYSTAL is connected with dc chopper DC/DC, for dc chopper
The variable DC voltage of DC/DC outputs is filtered processing；Linear voltage regulator LDO is connected with wave filter CRYSTAL, for that will filter
Direct current after ripple processing carries out voltage stabilizing processing and exports, and is each unit module (such as receiver, controller, the FN frequency modulation in earphone
Functor, decoder, microphone, encoder etc.) operating voltage is provided.
Controller in above-described embodiment can directly select MCU (Micro Control Unit, microprogram control unit).Into
One step, as shown in figure 4, the earphone that above-described embodiment provides can also include storage unit, storage unit is connected with MCU.Deposit
Storage unit can include high-speed random access memory, can also include nonvolatile memory；For example, at least a disk is deposited
Memory device, flush memory device or other non-volatile solid state memory parts；In showing such as Fig. 4：Flash memory (FLASH), RAM (Random
Access Memory, effumability random access memory), ROM (Read Only Memory, read-only storage),
Connectivity/Storage (relevance/storage).Further, the earphone that above-described embodiment provides may also include periphery
Expansion equipment (Peripheral).The peripheral expansion equipment is connected with MCU, so that earphone has the expansion that peripheral expansion equipment provides
Open up function.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
- A kind of 1. earphone, it is characterised in that including：FM frequency modulation function parts；It is connected with the FM frequency modulation functions part, the controller of instruction is turned on and off for being sent to the FM frequency modulation functions part；Be connected with the FM frequency modulation functions part, for by the FM frequency modulation functions part according to the open command start work after The fm broadcast signal of output is converted to the decoder of audio signal；AndIt is connected with the decoder, for the audio signal to be converted to the receiver of analog signal output.
- 2. earphone according to claim 1, it is characterised in that further include：For gathering the microphone and use of analog signal In the encoder for converting analog signals into digital signal；The microphone is connected with the encoder；The encoder is connected with the controller.
- 3. earphone according to claim 2, it is characterised in that the FM frequency modulation functions part, the controller, the decoding Device and the encoder are welded on same circuit board.
- 4. the earphone according to any one of claim 2 to 3, it is characterised in that further include：Wired control box；FM frequency modulation functions part, the controller, the decoder, the encoder and the microphone are arranged at described In wired control box；The decoder is connected by being pierced by the earphone cable of the wired control box with the receiver；The wired control box is equipped with acoustic aperture, and the acoustic aperture is opposite with the microphone.
- 5. earphone according to claim 4, it is characterised in that further include：The FM for starting trigger signal and/or frequency range Regulate signal for exporting adjusts control and is arranged on the control box, and with Controller connection in the control box.
- 6. earphone according to claim 4, it is characterised in that further include：Display for showing band information is arranged on the wired control box, and connects with the controller in the wired control box Connect.
- 7. earphone according to any one of claim 1 to 3, it is characterised in that the receiver includes left receiver and the right side is listened Cylinder；The left receiver and the right receiver are connected by corresponding first earphone cable and the second earphone cable with the decoder respectively Connect.
- 8. earphone according to any one of claim 1 to 3, it is characterised in that further include：Connector for establishing connection with external equipment is connected with the controller.
- 9. earphone according to claim 8, it is characterised in that the connector is USB interface or wireless communication interface.
- 10. earphone according to claim 9, it is characterised in that the USB interface is MICRO-USB interfaces, TYPEA connects Mouth, Type-C interfaces, Lightning interfaces, Min-USB interfaces or USB2.0 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845794.0U CN207304828U (en) | 2017-07-13 | 2017-07-13 | A kind of earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845794.0U CN207304828U (en) | 2017-07-13 | 2017-07-13 | A kind of earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304828U true CN207304828U (en) | 2018-05-01 |
Family
ID=62450951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720845794.0U Active CN207304828U (en) | 2017-07-13 | 2017-07-13 | A kind of earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110769346A (en) * | 2019-12-25 | 2020-02-07 | 恒玄科技(上海)股份有限公司 | Earphone system with FM function |
| CN110830073A (en) * | 2018-08-07 | 2020-02-21 | 中兴通讯股份有限公司 | Earphone wire multiplexing method and device, mobile terminal and storage medium |
-
2017
- 2017-07-13 CN CN201720845794.0U patent/CN207304828U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830073A (en) * | 2018-08-07 | 2020-02-21 | 中兴通讯股份有限公司 | Earphone wire multiplexing method and device, mobile terminal and storage medium |
| CN110769346A (en) * | 2019-12-25 | 2020-02-07 | 恒玄科技(上海)股份有限公司 | Earphone system with FM function |
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