CN104023101A - Mobile terminal and antenna switching method based on switching-type earphone jack of mobile terminal - Google Patents
Mobile terminal and antenna switching method based on switching-type earphone jack of mobile terminal Download PDFInfo
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- CN104023101A CN104023101A CN201410269665.2A CN201410269665A CN104023101A CN 104023101 A CN104023101 A CN 104023101A CN 201410269665 A CN201410269665 A CN 201410269665A CN 104023101 A CN104023101 A CN 104023101A
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- earphone
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Abstract
The invention discloses a mobile terminal and an antenna switching method based on a switching-type earphone jack of the mobile terminal, and belongs to the technical field of mobile terminals. The antenna switching method based on the switching-type earphone jack comprises the steps that the connecting end of a metal antenna is connected with an earphone jack-in detection pin; a switch is arranged between the earphone jack-in detection pin and a left-channel pin; when an earphone is jacked in, the switch is switched off, and the earphone is used as the antenna; when no earphone is jacked in, the switch is automatically switched on, and the metal antenna is used as the antenna. According to the mobile phone and the antenna switching method based on the switching-type earphone jack, the compatibility of an inner FM antenna and an outer FM antenna is improved, and user experience is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, be specifically related to a kind of mobile terminal and the antenna switching method based on switching mode earphone base thereof.
Background technology
At present, the wireless two kinds of modes of main dependence of listening to of the FM of the mobile terminal including mobile phone realize:
1. earphone cord serves as FM antenna and listens to FM broadcast receiver.
2.FM ceramic antenna is listened to FM broadcast receiver.
In current technology, can only support above a kind of or two kinds all support.What when two kinds of modes above simultaneously supporting, rely on is that the method for software is carried out the switching of antenna, has increased greatly human cost, and meanwhile, not only cost is relatively expensive to use FM ceramic antenna, has also increased the arrangement space of mobile terminal.
Summary of the invention
The invention provides a kind of mobile terminal and the antenna switching method based on switching mode earphone base thereof, realize not plugged earphone and realize FM and listen to plugged earphone and realize the compatibility feature that FM listens to reach, promote user and experience.
The technical scheme that the present invention solves the problems of the technologies described above is as follows.
According to an aspect of the present invention, a kind of antenna switching method based on switching mode earphone base providing, NC type earphone base comprises that earphone inserts detection pin and L channel pin, the method comprises: the link frames connecting with headphone of metal antenna is inserted and detects pin; Insert to detect between pin and L channel pin at earphone switch is set; In the time that earphone inserts, the passive disconnection of switch, earphone serves as antenna, and fashionable when the earless machine transplanting of rice, switch is automatically closed, and metal antenna serves as antenna.
Preferably, in the time that earphone inserts, the passive disconnection of switch, the method also comprises: in the time that earphone inserts, by the insertion of earphone, switch is pushed open, made the passive disconnection of switch.
Preferably, the method also comprises: in the time of the passive disconnection of switch, corresponding level signal is transferred to baseband processing module; In the time that baseband processing module receives the level signal of disconnection and receives FM audio signal, FM audio signal after treatment is sent to earphone output.In the time that switch is automatically closed, corresponding level signal is transferred to baseband processing module; In the time that baseband processing module receives closed level signal and receives FM audio signal, FM audio signal after treatment is sent to outside speaker output.
Preferably, above-mentioned baseband processing module is also for being simulated audio signal by the FM Audio Signal Processing receiving.
Preferably, the method can be applied to mobile terminal.
According to another aspect of the present invention, a kind of mobile terminal that uses antenna switching method providing, in mobile terminal, be provided with NC type earphone base and the FM audio processing modules for the carrier signal of reception being demodulated into FM audio signal and exporting, in NC type earphone base, be provided with earphone and insert detection pin and L channel pin, the input of FM audio processing modules connects L channel pin, this mobile terminal also comprises: metal antenna, and the link frames connecting with headphone of this metal antenna inserts and detects pin; Switch, one end of this switch is inserted detection pin with earphone and is electrically connected, and the other end of switch is electrically connected with L channel pin; Baseband processing module, the input of this baseband processing module connects the output of FM audio processing modules, and the output of baseband processing module connects sound issue device.
Preferably, one end of above-mentioned switch is inserted detection pin with earphone and is connected, the other end of switch contacts with L channel pin, the one end contacting with L channel pin makes the passive disconnection of this switch by the insert action of earphone, in the time not having earphone to insert, this switch is reduced into original closure state.
Preferably, tut issue device comprises earphone and outside speaker.Metal antenna is arranged in the housing of mobile terminal.
The invention provides a kind of mobile terminal and the antenna switching method based on switching mode earphone base thereof, the present invention judges by the signal type to earphone, according to judged result, diverter switch is switched and is connected to processing module or codec, so that processing module directly receives the audio signal of earphone or receive audio signal after codec analog-to-digital conversion, make the terminal can compatible with digital signal earphone and analog signal earphone.Further, can also carry out by the type of plug of identification earphone the earphone of compatible various type of plug, finally realize the earphone of compatible different type of plug of while and signal type, improve compatibility, promote user's experience.
Brief description of the drawings
Fig. 1 is the flow chart of a kind of antenna switching method based on switching mode earphone base according to an embodiment of the invention;
Fig. 2 is the flow chart that the disconnection according to switch according to an embodiment of the invention realizes the method for earphone output;
Fig. 3 is the flow chart that the closure according to switch according to an embodiment of the invention realizes the method for outside speaker output;
Fig. 4 is the logical schematic of a kind of antenna switching method based on switching mode earphone base according to an embodiment of the invention;
Fig. 5 is the demonstrative structure block diagram of mobile terminal according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 is the flow chart of the antenna switching method of one according to an embodiment of the invention based on NC (switching mode) type earphone base, below in conjunction with Fig. 1, a kind of antenna switching method based on switching mode earphone base according to an embodiment of the invention is described, the method is utilized the earphone of NC type earphone base to insert and is detected pin and L channel pin, the mechanical type that plugged earphone is not realized antenna with regard to the characteristic disconnecting switches, the method can be applied to mobile terminal, also can be applied to the equipment that possesses the broadcast receiver of NC type earphone base and other and have radio function, as shown in Figure 1, the method comprises the following steps:
S100, the link frames connecting with headphone of metal antenna is inserted and detects pin;
S200, insert to detect between pin and L channel pin at earphone switch is set;
S300, in the time that earphone inserts, the passive disconnection of switch, earphone serves as antenna, fashionable when the earless machine transplanting of rice, switch is automatically closed, metal antenna serves as antenna.
Wherein, above-mentioned switch has the characteristic that is reduced into closure state, this reduction characteristic can serve as by spring (the folding end of switch is made to spring-like) or with the metal that other has reduction characteristic, in the time that earphone inserts, switch is pushed in insert action by headset plug open, make the passive disconnection of this switch, in the time not having earphone to insert, this switch is reduced into original closure state.
Fig. 2 is the flow chart that the disconnection according to switch according to an embodiment of the invention realizes the method for earphone output, and as shown in Figure 2, in the time that above-mentioned switch disconnects, the implementation method of exporting by earphone comprises the following steps.
S311, in the time of the passive disconnection of switch, corresponding level signal is transferred to baseband processing module.
Wherein, the level signal that switch disconnects is for example low level.
S312, for example, in the time that baseband processing module receives the level signal (low level) of disconnection and receives FM audio signal, FM audio signal after treatment is sent to earphone output.
Fig. 3 is the flow chart that the closure according to switch according to an embodiment of the invention realizes the method for outside speaker output, and as shown in Figure 3, in the time that switch is initiatively closed, the implementation method of exporting by outside speaker comprises the following steps.
S321, in the time that switch is automatically closed, corresponding level signal is transferred to baseband processing module.
Wherein, with the such as high level of level signal of switch closure.
S322, for example, in the time that baseband processing module receives closed level signal (high level) and receives FM audio signal, FM audio signal after treatment is sent to outside speaker output.
Wherein, above-mentioned FM audio signal after treatment is simulated audio signal, and baseband processing module is also for being simulated audio signal by the FM Audio Signal Processing receiving.
Fig. 4 is the logical schematic of a kind of antenna switching method based on switching mode earphone base according to an embodiment of the invention, and as shown in Figure 4, the realization of the method specifically comprises:
Whether plugged earphone seat of S101, earphone, if perform step S111, performs step S102 if not.
S111, switch disconnect, and earphone L channel serves as FM antenna;
S112, baseband processing module insert the height that detects the level signal on pin according to earphone, judge whether earphone inserts;
S113, when detect earphone insert time, voice-grade channel is switched to earphone path by baseband processing module;
S114, earphone cord receive FM carrier signal, and carrier signal is delivered to FM audio processing modules;
S115, FM audio processing modules receive after carrier signal, carrier signal carried out to demodulation and be reduced into original FM audio signal and send to baseband processing module;
S116, baseband processing module are that simulated audio signal sends to earphone output by the FM Audio Signal Processing receiving.
S102, switch closure, metal antenna serves as FM antenna;
S103, baseband processing module insert the height that detects the level signal on pin according to earphone, judge that earphone does not insert;
Voice-grade channel is switched to loudspeaker path by S104, baseband processing module;
S105, metal antenna receive FM carrier signal, and this carrier signal is delivered to FM audio processing modules;
S106, FM audio processing modules receive after carrier signal, carrier signal carried out to demodulation and be reduced into original FM audio signal and send to baseband processing module;
S107, baseband processing module are simulated audio signal by the FM Audio Signal Processing receiving and send to outside speaker output.
Fig. 5 is the demonstrative structure block diagram of mobile terminal according to an embodiment of the invention, as shown in Figure 5, in this mobile terminal, be provided with NC type earphone base 2 and the FM audio processing modules 3 for the carrier signal of reception being demodulated into FM audio signal and exporting, in NC type earphone base 2, be provided with earphone and insert detection pin 7 and L channel pin 8, the input of FM audio processing modules 3 connects L channel pin 8, and this mobile terminal also comprises:
Metal antenna 6, the link frames connecting with headphone of metal antenna 6 inserts and detects pin;
Switch 9, one end of switch 9 is inserted detection pin with earphone and is electrically connected, and the other end of switch is electrically connected with L channel pin;
Baseband processing module 4, the input of baseband processing module 4 connects the output of FM audio processing modules, and the output of baseband processing module connects sound issue device.
Wherein, above-mentioned electrical connection can be specifically: one end of switch is inserted detection pin with earphone and is connected, the other end of switch contacts with L channel pin, the one end contacting with L channel pin has reproducibility, in the time that earphone inserts, by the insert action of headset plug, switch is pushed open, make the passive disconnection of this switch, in the time not having earphone to insert, this switch is reduced into original closure state.The reduction of this switch can or be served as the folding end of switch by spring (the folding end of switch is made to spring-like) with the metal that other has reduction characteristic.
Wherein, sound issue device comprises earphone and outside speaker 5, and earphone is all connected with the output of baseband processing module with outside speaker.
Wherein, metal antenna is arranged in the housing 1 of mobile terminal.
By a kind of mobile terminal provided by the invention and the antenna switching method based on switching mode earphone base thereof, make not insert earphone cord and listen FM broadcast receiver, and after earphone inserts, make to disconnect built-in metal antenna, use earphone antenna to receive FM carrier signal, improve the compatibility of inside and outside FM antenna, promoted user's experience.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the antenna switching method based on switching mode earphone base, described switching mode type earphone base comprises that earphone inserts detection pin and L channel pin, it is characterized in that, the method comprises:
The link of metal antenna is connected to described earphone and insert detection pin;
Insert to detect between pin and described L channel pin at described earphone switch is set;
In the time that earphone inserts, the passive disconnection of described switch, described earphone serves as antenna, and fashionable when the earless machine transplanting of rice, described switch is automatically closed, and described metal antenna serves as antenna.
2. the antenna switching method based on switching mode earphone base according to claim 1, is characterized in that, for described in the time that earphone inserts, the passive disconnection of described switch, the method also comprises:
In the time that earphone inserts, by the insertion of earphone, described switch is pushed open, make the passive disconnection of described switch.
3. the antenna switching method based on switching mode earphone base according to claim 1, is characterized in that, the method also comprises:
In the time of the passive disconnection of described switch, corresponding level signal is transferred to baseband processing module;
In the time that described baseband processing module receives the level signal of disconnection and receives FM audio signal, FM audio signal after treatment is sent to earphone output.
4. the antenna switching method based on switching mode earphone base according to claim 1, is characterized in that, the method also comprises:
In the time that described switch is automatically closed, corresponding level signal is transferred to baseband processing module;
In the time that described baseband processing module receives closed level signal and receives FM audio signal, FM audio signal after treatment is sent to outside speaker output.
5. according to the antenna switching method based on switching mode earphone base described in claim 3 or 4, it is characterized in that, described FM audio signal after treatment is simulated audio signal, and described baseband processing module is also for being simulated audio signal by the FM Audio Signal Processing receiving.
6. according to the antenna switching method based on switching mode earphone base described in claim 1 to 4 any one, it is characterized in that, the method is applied to mobile terminal.
7. the mobile terminal of the antenna switching method based on switching mode earphone base described in a use, in described mobile terminal, be provided with NC type earphone base and the FM audio processing modules for the carrier signal of reception being demodulated into FM audio signal and exporting, in described NC type earphone base, be provided with earphone and insert detection pin and L channel pin, the input of described FM audio processing modules connects described L channel pin, it is characterized in that, this mobile terminal also comprises:
Metal antenna, the link of described metal antenna connects described earphone and inserts detection pin;
Switch, one end of described switch is inserted detection pin with described earphone and is electrically connected, and the other end of described switch is electrically connected with described L channel pin;
Baseband processing module, the input of described baseband processing module connects the output of described FM audio processing modules, and the output of described baseband processing module connects sound issue device.
8. mobile terminal according to claim 7, it is characterized in that, one end of described switch is inserted detection pin with described earphone and is connected, the other end of described switch contacts with described L channel pin, the one end contacting with described L channel pin makes the passive disconnection of this switch by the insert action of earphone, in the time not having earphone to insert, this switch is reduced into original closure state.
9. mobile terminal according to claim 7, is characterized in that, described sound issue device comprises earphone and outside speaker.
10. according to the mobile terminal described in claim 7 to 9 any one, it is characterized in that, described metal antenna is arranged in the housing of mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269665.2A CN104023101A (en) | 2014-06-17 | 2014-06-17 | Mobile terminal and antenna switching method based on switching-type earphone jack of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269665.2A CN104023101A (en) | 2014-06-17 | 2014-06-17 | Mobile terminal and antenna switching method based on switching-type earphone jack of mobile terminal |
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| CN104023101A true CN104023101A (en) | 2014-09-03 |
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| CN201410269665.2A Pending CN104023101A (en) | 2014-06-17 | 2014-06-17 | Mobile terminal and antenna switching method based on switching-type earphone jack of mobile terminal |
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| CN108632696A (en) * | 2017-03-17 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of FM earphone bases circuit, voice frequency terminal and its control method |
| CN110324101A (en) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | A kind of circuit, method and electronic equipment playing FM broadcast program |
| CN112243066A (en) * | 2020-10-20 | 2021-01-19 | Oppo广东移动通信有限公司 | Method for selecting FM (frequency modulation) playing mode of electronic equipment and electronic equipment |
| WO2023072071A1 (en) * | 2021-10-27 | 2023-05-04 | 维沃移动通信有限公司 | Access control identification and control method and related device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108632696A (en) * | 2017-03-17 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of FM earphone bases circuit, voice frequency terminal and its control method |
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| CN110324101A (en) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | A kind of circuit, method and electronic equipment playing FM broadcast program |
| CN112243066A (en) * | 2020-10-20 | 2021-01-19 | Oppo广东移动通信有限公司 | Method for selecting FM (frequency modulation) playing mode of electronic equipment and electronic equipment |
| CN112243066B (en) * | 2020-10-20 | 2021-07-23 | Oppo广东移动通信有限公司 | Method for selecting FM (frequency modulation) playing mode of electronic equipment and electronic equipment |
| WO2023072071A1 (en) * | 2021-10-27 | 2023-05-04 | 维沃移动通信有限公司 | Access control identification and control method and related device |
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| CB02 | Change of applicant information |
Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant after: Nubian Technologies Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant before: Shenzhen ZTE Mobile Tech Co., Ltd. |
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| COR | Change of bibliographic data | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140903 |