CN101198192A - Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof - Google Patents
Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof Download PDFInfo
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- CN101198192A CN101198192A CNA2006101689055A CN200610168905A CN101198192A CN 101198192 A CN101198192 A CN 101198192A CN A2006101689055 A CNA2006101689055 A CN A2006101689055A CN 200610168905 A CN200610168905 A CN 200610168905A CN 101198192 A CN101198192 A CN 101198192A
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Abstract
An electronic device capable of realizing automatic judgment of earphone types comprises an earphone socket comprising a plurality of transmission interfaces, a detecting unit and a judgment unit, wherein the earphone socket is used to exchange signals with an earphone through the transmission interfaces; the detecting unit is coupled with the earphone socket and used to detect the signals of the transmission interfaces; the judgment unit is coupled with the detecting unit and used to judge the type of the earphone according to the signals of the transmission interfaces.
Description
Technical field
The invention relates to a kind of electronic installation and correlation technique thereof, refer to a kind of electronic installation and the correlation technique thereof that can judge earphone species automatically especially.
Background technology
Earphone is a kind of small-sized sound output device, and by earphone, the user can leave alone under other people's the situation, receives sound signal.Therefore, many mobile phones are equipped with earphone socket, are used for by the earphone output sound.Thus, under the situation of inconvenient hand held mobile phone, as go window-shopping and propose thing, driving, motion etc., for taking fail safe and convenience into account, the user can insert wired earphone the earphone socket on the mobile phone, can enjoy multimedia function or receives calls.
Generally speaking, the earphone that is used for mobile phone can be complied with the difference of its joint, be divided into two kinds of three-section type and four joint formulas.Four joint formula earphones comprise two loud speakers (left and right acoustic channels), a microphone and one or four joint formula earphone terminals; The three-section type earphone only comprises a loud speaker (monophony) except comprising a microphone and a three-section type earphone terminal.Please refer to Fig. 1, Fig. 1 is the schematic diagram of an existing three-section type earphone terminal 30,1 joint formula earphone terminals 40 and one or four joint formula earphone sockets 50.Three-section type earphone terminal 30 is identical with the joint dimension size of four joint formula earphone terminals 40, all can insert four joint formula earphone sockets 50.Three-section type earphone terminal 30 comprises three coffret S3_1～S3_3, be used for transmitting a microphone signal MIC, a monophony signal respectively (as a L channel signal LCH or a R channel signal RCH, this monophony is worn situation on the user and is decided user and indifference) and a ground connection signal GND; Wherein, the signal that transmitted of coffret S3_1 and S3_2 is commutative.Four joint formula earphones 40 comprise four coffret S4_1～S4_4, are used for transmitting R channel signal RCH, L channel signal LCH, microphone signal MIC and ground connection signal GND respectively; Wherein, the signal that transmitted of coffret S4_1～S4_3 is commutative.Four joint formula earphone sockets 50 comprise four coffret S5_1～S5_4, are respectively coupled to an audio processing unit in the mobile phone, in order to the signal or the reception microphone signal of output left and right sound channels.
For the correct sound signal of handling, the signal that four joint formula earphone sockets 50 are transmitted all can be corresponding to three-section type earphone terminal 30 or four joint formula earphone terminals 40.Yet, because the configuration of the signal of its earphone socket of various mobile radio may be different, cause the user when choosing mobile phone, also need choose the earphone that former factory provides.If the signal that defines between earphone socket and earphone configuration is inequality, when the user utilizes the earphone receiving phone or listens to the music, may cause the signal situation different of left and right sound channels with original source of sound.For instance, if four joint formula earphone sockets, 50 affiliated system's signals decided at the higher level but not officially announced are configured to: coffret S5_1-L channel signal LCH; Coffret S5_2-R channel signal RCH; Coffret S5_3-microphone signal MIC; Coffret S5_4-ground connection signal GND.As shown in Figure 1, if the signal of four joint formula earphone terminals 40 is configured to: coffret S4_1-R channel signal RCH; Coffret S4_2-L channel signal LCH; Coffret S4_3-microphone signal MIC; Coffret S4_4-ground connection signal GND.After four joint formula earphone terminals 40 insert four joint formula earphone sockets 50, make coffret S4_1～S4_4 be embedded in coffret S5_1～S5_4 respectively, because the configuration of left and right acoustic channels signal is opposite, the L channel signal LCH that system sends out by coffret S5_1 will be by coffret S4_1, and the right channel loudspeaker of definition is sounded in four joint formula earphone terminals 40.In this case, the left and right sound channels that four joint formula earphone terminals 40 are exported can be opposite with original signal, and certainly, concerning the user, the difference that the left and right sound channels signal is opposite is also little, does not have obviously influence.
Yet, according to the signal configuration of above-mentioned four joint formula earphone sockets 50, if the signal of three-section type earphone terminal 30 is configured to: coffret S3_1-microphone signal MIC; Coffret S3_2-L channel signal LCH; Coffret S3_3-ground connection signal GND.When three-section type earphone terminal 30 inserted four joint formula earphone sockets 50, coffret S3_1 and S3_2 were embedded in coffret S5_1 and S5_2, and coffret S3_3 then is embedded in coffret S5_3 and S5_4.In this case, when mobile phone transmits L channel signal LCH by coffret S5_1,, thereby can't send the sound of L channel because coffret S3_1 is the microphone that is coupled to three-section type earphone terminal 30.In like manner, coffret S5_3 also can't correctly receive microphone signal MIC, make user's sound signal correctly to send, the microphone of three-section type earphone terminal 30 function of can't bringing into normal play causes the user can't utilize three-section type earphone terminal 30 to reach the function of Handless.
In general, because each tame manufacturer hobby is different, relatively the signal at earphone socket disposes also disunity.For example, the user is when choosing mobile phone, and the earphone that need select former factory to provide toward contact is in order to avoid the difference in the configuration of the signal of earphone and the situation that causes earphone can't matching with mobile phone to use takes place.Thus, because the pairing coffret difference of earphone socket internal transmission signal of manufacturer of every family, the user will be subject to former factory choosing on the earphone, and can't choose the earphone of hobby.
Summary of the invention
Therefore, main purpose of the present invention promptly is to provide a kind of electronic installation and the correlation technique thereof that can judge earphone species automatically.
The present invention discloses a kind of electronic installation that can judge earphone species automatically, includes an earphone socket, comprises a plurality of coffrets, and this earphone socket is used for by these a plurality of coffrets and earphone exchange signal; One detecting unit is coupled to this earphone socket, is used for detecting the signal of these a plurality of coffrets; And a judging unit, be coupled to this detecting unit, be used for signal according to these a plurality of coffrets, judge the kind of this earphone.
The present invention discloses a kind of method that can detect earphone species automatically in addition, includes a plurality of coffrets and earphone exchange signal by an earphone socket; Detect the signal of these a plurality of coffrets; And, judge the kind of this earphone according to the signal of these a plurality of coffrets.
Description of drawings
Fig. 1 is connected the signal schematic diagram for what an existing three-section type earphone terminal and one or four joint formula earphone terminals and or four saved the formula earphone sockets.
Fig. 2 can judge the schematic diagram of the electronic installation of earphone species automatically for the present invention.
Fig. 3 is the table of comparisons that the present invention is used for judging earphone species.
Fig. 4 is the method flow diagram of the present invention according to the preferable implementing procedure of the table of comparisons of Fig. 3.
Embodiment
Please refer to Fig. 2, Fig. 2 can judge the schematic diagram of the electronic installation 200 of earphone species automatically for the present invention.Electronic installation 200 can be used for any electronic product that needs earphone and microphone function, and as mobile phone, personal digital assistant etc., it is a message processing unit 240 that is coupled to electronic product.Electronic installation 200 comprises an earphone socket 210, a detecting unit 220 and a judging unit 230.Earphone socket 210 is similar to the four joint formula earphone sockets 50 of Fig. 1, comprises four coffret S1～S4, in order to exchange a L channel signal LCH, a R channel signal RCH, a microphone signal MIC and a ground connection signal GND with an earphone.Detecting unit 220 is coupled to earphone socket 210, is used for the signal of detected transmission interface S1～S4.Judging unit 230 is coupled to detecting unit 220, is used for signal according to coffret S1～S4, and the kind of judging the earphone that is embedded in earphone socket 210 is three-section type or four joint formula earphones.Wherein, detecting unit 220 and judging unit 230 can be by realizations such as integrated circuit (IC) chip (as 8051 single-chips), analog switch (Analogswitch) or embedded systems.
By electronic installation 200, when an earphone is embedded in earphone socket 210 with an earphone terminal, detecting unit 220 will detect the change in voltage of the coffret S4 of ground connection earlier, judge whether that whereby earphone is embedded in earphone socket 210.If there is the earphone terminal to be embedded in earphone socket 210, judging unit 230 can be according to the signal of coffret S1～S4, judge the kind of earphone, then message processing unit 240 can correctly be handled L channel signal LCH, R channel signal RCH and microphone signal MIC according to the kind of earphone.In other words, judging unit 230 can be according to the signal of coffret S1～S4, judge the signal configuration of earphone, so just may command L channel signal LCH, R channel signal RCH and microphone signal MIC carry out the signal transmission via correct passage, make each signal be sent to message processing unit 240 via the position of respectively saving correct on the earphone; Otherwise,, also can be sent to the correct position of respectively saving on the earphone through L channel signal LCH, R channel signal RCH and the microphone signal MIC that message processing unit 240 is handled.
The present invention is preferably the kind that the coffret that is used for transmitting microphone signal MIC by detection is judged earphone.After detecting unit 220 judged that existing earphone terminal is embedded in earphone socket 210, judging unit 230 can switch a microphone channel that corresponds to message processing unit 240 one by one with the coffret S1～S3 of earphone socket 210.Simultaneously, whether detecting unit 220 by detected transmission interface S1～S3 change in voltage takes place, and why judges the pairing coffret of microphone signal MIC.When the coffret that is used for transmitting microphone signal MIC on the earphone is embedded among coffret S1～S3 one during corresponding to the coffret of microphone channel just, detecting unit 220 can detect this coffret generation change in voltage, thereby judges the kind of earphone.For instance, if the four joint formula earphone terminals 40 of Fig. 1 are chimeric to earphone socket 210, judging unit 230 can switch coffret S1～S3 one by one and corresponds to microphone channel.When microphone channel corresponded to coffret S1 and S2, detecting unit 220 can't detect change in voltage, and when microphone channel corresponded to coffret S3, detecting unit 220 can detect change in voltage.In comparison, if the three-section type earphone terminal 30 of Fig. 1 is connected to earphone socket 210, because the coffret S3_3 of three-section type earphone terminal 30 is connected to ground, when microphone channel corresponded to coffret S1 or S3, detecting unit 220 all can sense change in voltage.Therefore, whether the change in voltage that causes in coffret S1～S3 by the microphone signal, but construction comparison list (Look-Up Table) is in judging unit 230, and then judging unit 230 can be inquired about this table of comparisons to judge the kind that connects earphone according to the testing result of detecting unit 220.Fig. 3 is the table of comparisons 300 that the present invention is used for judging earphone species.The left side of the table of comparisons 300 is four joint formula earphone signal configurations, and right-hand part is for detecting the corresponding situation whether change in voltage is arranged at coffret.
Please refer to Fig. 4.Fig. 4 is used for detecting automatically the method flow diagram of the preferable flow process 400 of earphone species for the present invention according to the table of comparisons of Fig. 3.Flow process 400 comprises following steps:
Step 401: beginning.
Step 402: microphone channel is corresponded to coffret S3, and whether detected transmission interface S3 has change in voltage.If then carry out step 408; If not, then carry out step 404.
Step 404: microphone channel is corresponded to coffret S1, and whether detected transmission interface S1 has change in voltage.If then carry out step 412; If not, then carry out step 406.
Step 406: microphone channel is corresponded to coffret S2, and whether detected transmission interface S2 has change in voltage.If then carry out step 412; If not, then carry out step 402.
Step 408: microphone channel is corresponded to coffret S1, and whether detected transmission interface S1 has change in voltage.If then carry out step 414; If not, then carry out step 410.
Step 410: microphone channel is corresponded to coffret S2, and whether detected transmission interface S2 has change in voltage.If then carry out step 414; If not, then carry out step 412.
Step 412: judge that this earphone is one or four joint formula earphones.
Step 414: judge that this earphone is a three-section type earphone.
Step 416: finish.
According to flow process 400, the change in voltage on the coffret is to be relevant to whether to transmit the microphone signal by this coffret, and the table of comparisons 300 of can arranging in pairs or groups is judged earphone species.When defining the earphone terminal and be embedded in earphone socket 210, microphone channel is corresponded to coffret S3, whether detected transmission interface S3 change in voltage takes place again.If detect coffret S3 change in voltage is arranged, then respectively microphone channel is corresponded to coffret S1 and S2, whether the detected transmission that continues interface S1 and S2 have change in voltage, if both wherein one be detected variation, judge that then this earphone is the three-section type earphone, if none detect change in voltage, judge that then this earphone is four joint formula earphones.Similarly, if detect coffret S3 change in voltage do not arranged, as long as coffret S1 and S2 both wherein one be detected change in voltage, judge that promptly this earphone is four joint formula earphones.And in step 406, under the situation that does not detect coffret S2 generation change in voltage, representing coffret S1～S3 neither is to be used for exchanging a microphone signal, can't determine that still earphone is three-section type or four joint formulas, then restarts testing process.Step 412 and 414 is that the testing result of preceding step and the table of comparisons 300 are compared, and judges the kind of earphone.For instance, if after an earphone is embedded in earphone socket 210, only change in voltage takes place in coffret S3, earphone is by coffret S3 transmission microphone signal as can be known, compare mutually with the table of comparisons 300 again, find that A1 and A2 meet this testing result, and then judge that this earphone is four joint formula earphones.
What pay special attention to is that by the table of comparisons 300 as can be known, for four joint formula earphones, if change in voltage takes place coffret S3, coffret S1 and S2 all no-voltage change; Relatively, for the three-section type earphone, if change in voltage, both generation change in voltage for a moment wherein of coffret S1 or S2 take place coffret S3.Therefore, flow process 400 is preferred embodiment of the present invention, and it is that first coffret S3 to earphone socket 210 detects, and makes detecting unit 220 need the number of times of detected transmission interface less, to save system resource.Certainly, the change in voltage that the present invention also can different order detected transmission interface, or one-time detection detects earphone species more than a coffret.Whether for example, detecting two coffrets simultaneously has change in voltage, or one-time detection goes out the signal kind that each coffret transmits, and judges earphone species according to the table of comparisons again.In brief, the required change of all visual user of detection and judgment mode and order is not limited to utilize the microphone signal, or is limited to coffret of one-time detection.
In sum, the invention provides a kind of device and correlation technique of judging earphone species, it is the signal according to the transmission of the coffret in the earphone socket, judges that automatically the earphone that is connected to earphone socket is three-section type or four joint formula earphones.Thus, the present invention can improve the applicability of the electronic product of need earphone to three-section type and four joint formula earphones, and the user is choosing the product that can not be subject to former factory on the earphone, and can select suitable three-section type or four joint formula earphones for use according to hobby.
The above only is preferred embodiment of the present invention, and all variation that is equal to and modifications of being done according to the present patent application claim all should belong to covering scope of the present invention.
Claims (21)
1. the electronic installation that can judge earphone species automatically includes:
One earphone socket comprises a plurality of coffrets, and this earphone socket is used for by these a plurality of coffrets and earphone exchange signal;
One detecting unit is coupled to this earphone socket, is used for detecting the signal of these a plurality of coffrets; And
One judging unit is coupled to this detecting unit, is used for signal according to these a plurality of coffrets, judges the kind of this earphone.
2. electronic installation as claimed in claim 1 is characterized in that this earphone socket is one or four joint formula earphone sockets.
3. electronic installation as claimed in claim 1 is characterized in that this judging unit is to be used for position according to one first coffret of these a plurality of coffrets, judges the kind of this earphone.
4. electronic installation as claimed in claim 3 is characterized in that this first coffret transmits a microphone signal.
5. electronic installation as claimed in claim 1 is characterized in that this judging unit is to be used for signal according to this a plurality of coffrets, inquires about comparison list, to judge the kind of this earphone.
6. electronic installation as claimed in claim 1 is characterized in that this earphone is a three-section type earphone.
7. electronic installation as claimed in claim 1 is characterized in that this earphone is one or four joint formula earphones.
8. method that can detect earphone species automatically includes:
A plurality of coffrets and earphone exchange signal by an earphone socket;
Detect the signal of these a plurality of coffrets; And
According to the signal of these a plurality of coffrets, judge the kind of this earphone.
9. method as claimed in claim 8 is characterized in that this earphone socket is one or four joint formula earphone sockets.
10. method as claimed in claim 8 is characterized in that judging that according to the signal of these a plurality of coffrets the kind of this earphone is the position according to one first coffret of these a plurality of coffrets, judges the kind of this earphone.
11. method as claimed in claim 10 is characterized in that this first coffret transmits a microphone signal.
12. method as claimed in claim 8 is characterized in that judging that according to the signal of these a plurality of coffrets the kind of this earphone is the signal according to these a plurality of coffrets that the inquiry comparison list is to judge the kind of this earphone.
13. method as claimed in claim 8 is characterized in that this earphone is a three-section type earphone.
14. method as claimed in claim 8 is characterized in that this earphone is one or four joint formula earphones.
15. the electronic installation that can judge earphone species automatically includes:
One or four joint formula earphone sockets comprise a plurality of coffrets, and this four joints formula earphone socket is used for by these a plurality of coffrets and earphone exchange signal;
One detecting unit is coupled to this four joints formula earphone socket, is used for detecting the signal of these a plurality of coffrets; And
One judging unit is coupled to this detecting unit, is used for signal according to this a plurality of coffrets, judges that the signal of this earphone disposes.
16. electronic installation as claimed in claim 15 is characterized in that also comprising an audio processing unit, is coupled to this judging unit, is used for handling the microphone signal, L channel signal and the R channel signal that transmit via this a plurality of coffret.
17. electronic installation as claimed in claim 16 is characterized in that this judging unit is to be used for disposing according to the signal of this earphone, controls the transmission channel of this microphone signal, this L channel signal and this R channel signal.
18. electronic installation as claimed in claim 15 is characterized in that this judging unit is to be used for can judging the kind of this earphone to the coffret position of microphone signal generation change in voltage according to one.
19. electronic installation as claimed in claim 15 is characterized in that this judging unit is to be used for signal according to this a plurality of coffrets, the inquiry comparison list disposes with the signal of judging this earphone.
20. electronic installation as claimed in claim 18 is characterized in that this earphone is a three-section type earphone.
21. electronic installation as claimed in claim 18 is characterized in that this earphone is one or four joint formula earphones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101689055A CN101198192A (en) | 2006-12-08 | 2006-12-08 | Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101689055A CN101198192A (en) | 2006-12-08 | 2006-12-08 | Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof |
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| CN101198192A true CN101198192A (en) | 2008-06-11 |
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| CNA2006101689055A Pending CN101198192A (en) | 2006-12-08 | 2006-12-08 | Electronic device capable of automatically estimating telephone earphone species and correlation technique thereof |
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| CN101950867A (en) * | 2010-07-21 | 2011-01-19 | 惠州Tcl移动通信有限公司 | Earphone socket and mobile terminal thereof |
| CN102395069A (en) * | 2011-08-22 | 2012-03-28 | 华为终端有限公司 | Method for being compatible with earphones with different plug types, apparatus and terminal equipment |
| CN102457790A (en) * | 2010-10-21 | 2012-05-16 | 宏碁股份有限公司 | Active noise reduction earphone and earphone detection device |
| CN102544953A (en) * | 2011-12-06 | 2012-07-04 | 深圳市文鼎创数据科技有限公司 | Self-adaptive audio frequency switching device and method |
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| CN102457790A (en) * | 2010-10-21 | 2012-05-16 | 宏碁股份有限公司 | Active noise reduction earphone and earphone detection device |
| CN102638743A (en) * | 2011-02-09 | 2012-08-15 | 苹果公司 | Audio accessory type detection and connector pin signal assignment |
| CN102638743B (en) * | 2011-02-09 | 2014-07-23 | 苹果公司 | Audio accessory type detection and connector pin signal assignment |
| CN102395069A (en) * | 2011-08-22 | 2012-03-28 | 华为终端有限公司 | Method for being compatible with earphones with different plug types, apparatus and terminal equipment |
| CN102544953A (en) * | 2011-12-06 | 2012-07-04 | 深圳市文鼎创数据科技有限公司 | Self-adaptive audio frequency switching device and method |
| CN102544953B (en) * | 2011-12-06 | 2014-07-30 | 深圳市文鼎创数据科技有限公司 | Self-adaptive audio frequency switching device and method |
| CN102695109A (en) * | 2012-06-28 | 2012-09-26 | 深圳市聚鑫城科技有限公司 | Earphone with automatic sensing function |
| CN103825995A (en) * | 2012-11-19 | 2014-05-28 | 宏碁股份有限公司 | Mobile electronic device and volume control method thereof |
| CN103825995B (en) * | 2012-11-19 | 2016-12-21 | 宏碁股份有限公司 | Mobile electronic device and method for controlling volume thereof |
| CN104113816A (en) * | 2013-04-17 | 2014-10-22 | 宏碁股份有限公司 | Electronic device and earphone detection method |
| CN105551479A (en) * | 2015-12-22 | 2016-05-04 | 努比亚技术有限公司 | Mobile terminal noise reduction method and apparatus thereof |
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Open date: 20080611 |