CN101753719B - Method, system and mobile terminal for realizing hand-free call of mobile terminal headset - Google Patents
Method, system and mobile terminal for realizing hand-free call of mobile terminal headset Download PDFInfo
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- CN101753719B CN101753719B CN201010042847.8A CN201010042847A CN101753719B CN 101753719 B CN101753719 B CN 101753719B CN 201010042847 A CN201010042847 A CN 201010042847A CN 101753719 B CN101753719 B CN 101753719B
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Abstract
The invention applies to the field of mobile terminals, and provides a method, a system and a mobile terminal for realizing the hand-free call of a mobile terminal headset. In the invention, when a user takes a three-segment headset to plug in a mobile terminal matched with a four-contact headset socket to realize the call, after the system for realizing the hand-free call of the mobile terminal headset detects that the mobile terminal is in a call state, the main microphone of the mobile phone is in a working state, accordingly, even if the three-segment headset does not support the sending function, the mobile terminal can also realize the receiving function of the headset and the hand-free call function of the sending of the main microphone, thereby facilitating users to use.
Description
Technical field
The invention belongs to field of mobile terminals, relate in particular to a kind of method, system and portable terminal of realizing the mobile terminal earphone hand-free call.
Background technology
Earphone has been widely used in the middle of the daily life as the important accessory of portable terminal, and earphone can be divided into two kinds of syllogic and four-part forms according to plug.Three-section earphone only supports to be talked about function, three-section earphone plug and three contact earphone sockets are used, Fig. 1 shows the structure of three-section earphone plug and three contact earphone sockets, the three-section earphone plug comprises tip 1, middle ring 2 and terminal 3, and three contact earphone sockets comprise L channel end 10, R channel end 20, hold 30 and ground end 40, wherein, after the three-section earphone plug was inserted into three contact earphone sockets fully, tip 1 connect L channel end 10, middle ring 2 connects R channel end 20, terminal 3 earth terminals 30 and ground end 40.And the four-part form earphone had both supported to be talked about function, support to send again the words function, four-part form headset plug and four contact earphone sockets are used, Fig. 2 shows the structure of four-part form headset plug and four contact earphone sockets, the four-part form headset plug comprises most advanced and sophisticated 5, encircle 6 in first, ring 7 and terminal 8 in second, and four contact earphone sockets comprise L channel end 50, R channel end 60, send talking path end 70, ground end 80 and ground end 90, wherein, after the four-part form headset plug was inserted into four contact earphone sockets fully, most advanced and sophisticated 5 connect L channel end 50, ring 6 connects R channel end 60 in first, ring 7 is picked talking path end 70 in second, terminal 8 earth terminals 80 and ground end 90.
But, when the user takes the three-section earphone plug to be inserted into four contact earphone sockets, the talking path end 70 that send of four contact earphone sockets is connected with the end 3 of three-section earphone plug, at this moment, if portable terminal master microphone is not worked, and three-section earphone does not support to send the words function, and portable terminal just can't be realized normal hand-free call like this, has brought inconvenience for consumer's use.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method that realizes the mobile terminal earphone hand-free call, is intended to solve when the three-section earphone plug being inserted into four contact earphone sockets, and the portable terminal existence can't realize the problem of normal hand-free call.
The embodiment of the invention is achieved in that a kind of system that realizes the mobile terminal earphone hand-free call, and described system comprises:
Level detection unit changes for detection of the level on the end of talking path that send of four contact earphone sockets;
Judging unit, be used for changing according to the level on the end of talking path that send of described four contact earphone sockets, judge whether the three-section earphone plug is inserted into four contact earphone sockets, change low level if be specially the level on the end of talking path that send of described four contact earphone sockets into by high level, judge that then drawing the three-section earphone plug is inserted into four contact earphone sockets;
The mobile terminal state detecting unit is used for when described judgment unit judges draws the three-section earphone plug and is inserted into four contact earphone sockets, and whether the detection portable terminal is in talking state; And
Control unit is used for when described judgment unit judges draws the three-section earphone plug and is inserted into four contact earphone sockets and described mobile terminal state detecting unit detection portable terminal and is in talking state, so that portable terminal master microphone is in running order;
Described system also comprises:
Filter unit, be connected with level detection unit with the talking path end that send of described four contact earphone sockets respectively, be used for eliminating described three-section earphone plug and insert the impact that sudden change produced on level when four contact earphone sockets or three-section earphone plug were extracted from four contact earphone sockets;
Described filter unit comprises resistance R 1 and capacitor C 1, the first termination four contact earphone sockets of described resistance R 1 send the talking path end, the second end of resistance R 1 is leaded up to capacitor C 1 ground connection, another road of the second end of resistance R 1 connects level detection unit;
Perhaps filter unit is except comprising resistance R 1 and capacitor C 1, also comprise a digital triode Q1, the first termination four contact earphone sockets of described resistance R 1 send the talking path end, the second end of resistance R 1 is leaded up to capacitor C 1 ground connection, another road of the second end of resistance R 1 connects the base stage of digital triode Q1, the grounded emitter of numeral triode Q1, the collector electrode of digital triode Q1 connects level detection unit.
Another purpose of the embodiment of the invention is to provide a kind of method of the system based on above-mentioned realization mobile terminal earphone hand-free call, and described method comprises the steps:
The level on the end of talking path that send that detects four contact earphone sockets changes;
The level on the end of talking path that send according to described four contact earphone sockets changes, judge whether the three-section earphone plug is inserted into four contact earphone sockets, change low level if be specially the level on the end of talking path that send of described four contact earphone sockets into by high level, judge that then drawing the three-section earphone plug is inserted into four contact earphone sockets;
If so, detect portable terminal and whether be in talking state;
If portable terminal is in talking state, then make portable terminal master microphone in running order.
Another purpose of the embodiment of the invention is to provide a kind of portable terminal, and described portable terminal comprises the system of above-mentioned realization mobile terminal earphone hand-free call.
In embodiments of the present invention, when the user takes the three-section earphone plug to insert to realize conversation on the portable terminal of being furnished with four contact earphone sockets, after the system of mobile terminal earphone hand-free call detects portable terminal and is in talking state, make portable terminal master microphone in running order, even three-section earphone does not support to send the words function like this, portable terminal can realize that also earphone is talked about, and main microphone send the hand-free call function of words, makes things convenient for consumer's use.
Description of drawings
Fig. 1 is the structure chart of existing three-section earphone plug and three contact earphone sockets;
Fig. 2 is the structure chart of existing four-part form headset plug and four contact earphone sockets;
Fig. 3 is the flow chart of the method for the realization mobile terminal earphone hand-free call that provides of the embodiment of the invention;
Fig. 4 is the structure chart of the system of the realization mobile terminal earphone hand-free call that provides of the embodiment of the invention;
Fig. 5 is the exemplary circuit figure of the filter unit that provides of first embodiment of the invention;
Fig. 6 is the exemplary circuit figure of the filter unit that provides of second embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 3 shows the method for the realization mobile terminal earphone hand-free call that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
Described method comprises the steps:
In step S1, the level on the end of talking path that send that detects four contact earphone sockets changes;
In step S2, change according to the level on the end of talking path that send of four contact earphone sockets, judge whether the three-section earphone plug is inserted into four contact earphone sockets;
This step specifically comprises:
If the level on the end of talking path that send of four contact earphone sockets changes low level into by high level, judge that then drawing the three-section earphone plug is inserted into four contact earphone sockets.
In step S3, if so, detect portable terminal and whether be in talking state;
In step S4, if portable terminal is in talking state, then make portable terminal master microphone in running order.
Fig. 4 shows the structure of the system of the realization mobile terminal earphone hand-free call that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
The system that realizes the mobile terminal earphone hand-free call comprises level detection unit 100, judging unit 200, mobile terminal state detecting unit 300 and control unit 400.
As one embodiment of the invention, the system that realizes the mobile terminal earphone hand-free call also comprises respectively with the talking path end that send of four contact earphone sockets is connected the filter unit 500 that is connected with level detection unit, filter unit 500 is used for eliminating the three-section earphone plug and inserts the impact that sudden change produced on level when four contact earphone sockets or three-section earphone plug were extracted from four contact earphone sockets, in case erroneous judgement.
The operation principle of the embodiment of the invention is:
When send level talking path end on of judging unit 200 according to four contact earphone sockets changes, when judging the three-section earphone plug and being inserted into four contact earphone sockets, and mobile terminal state detecting unit 300 also detects portable terminal and is in talking state, control unit 400 is so that portable terminal master microphone is in running order, even three-section earphone does not support to send the words function like this, portable terminal also can be realized the hand-free call function, makes things convenient for consumer's use.
The embodiment of the invention also provides a kind of portable terminal, comprises the system of above-mentioned realization mobile terminal earphone hand-free call.
One of ordinary skill in the art will appreciate that: the step of realization said method embodiment or part steps can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is when carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
In embodiments of the present invention, when the user takes the three-section earphone plug to insert to realize conversation on the portable terminal of being furnished with four contact earphone sockets, after the system of mobile terminal earphone hand-free call detects portable terminal and is in talking state, make portable terminal master microphone in running order, even three-section earphone does not support to send the words function like this, portable terminal can realize that also earphone is talked about, and main microphone send the hand-free call function of words, makes things convenient for consumer's use.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a system that realizes the mobile terminal earphone hand-free call is characterized in that, described system comprises:
Level detection unit changes for detection of the level on the end of talking path that send of four contact earphone sockets;
Judging unit, be used for changing according to the level on the end of talking path that send of described four contact earphone sockets, judge whether the three-section earphone plug is inserted into four contact earphone sockets, change low level if be specially the level on the end of talking path that send of described four contact earphone sockets into by high level, judge that then drawing the three-section earphone plug is inserted into four contact earphone sockets;
The mobile terminal state detecting unit is used for when described judgment unit judges draws the three-section earphone plug and is inserted into four contact earphone sockets, and whether the detection portable terminal is in talking state; And
Control unit is used for when described judgment unit judges draws the three-section earphone plug and is inserted into four contact earphone sockets and described mobile terminal state detecting unit detection portable terminal and is in talking state, so that portable terminal master microphone is in running order;
Described system also comprises:
Filter unit, be connected with level detection unit with the talking path end that send of described four contact earphone sockets respectively, be used for eliminating described three-section earphone plug and insert the impact that sudden change produced on level when four contact earphone sockets or three-section earphone plug were extracted from four contact earphone sockets;
Described filter unit comprises resistance R 1 and capacitor C 1, the first termination four contact earphone sockets of described resistance R 1 send the talking path end, the second end of resistance R 1 is leaded up to capacitor C 1 ground connection, another road of the second end of resistance R 1 connects level detection unit;
Perhaps filter unit is except comprising resistance R 1 and capacitor C 1, also comprise a digital triode Q1, the first termination four contact earphone sockets of described resistance R 1 send the talking path end, the second end of resistance R 1 is leaded up to capacitor C 1 ground connection, another road of the second end of resistance R 1 connects the base stage of digital triode Q1, the grounded emitter of numeral triode Q1, the collector electrode of digital triode Q1 connects level detection unit.
2. the method based on the system of realization mobile terminal earphone hand-free call as claimed in claim 1 is characterized in that described method comprises the steps:
The level on the end of talking path that send that detects four contact earphone sockets changes;
The level on the end of talking path that send according to described four contact earphone sockets changes, judge whether the three-section earphone plug is inserted into four contact earphone sockets, change low level if be specially the level on the end of talking path that send of described four contact earphone sockets into by high level, judge that then drawing the three-section earphone plug is inserted into four contact earphone sockets;
If so, detect portable terminal and whether be in talking state;
If portable terminal is in talking state, then make portable terminal master microphone in running order.
3. a portable terminal is characterized in that, described portable terminal comprises the system of realization mobile terminal earphone hand-free call as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010042847.8A CN101753719B (en) | 2010-01-20 | 2010-01-20 | Method, system and mobile terminal for realizing hand-free call of mobile terminal headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010042847.8A CN101753719B (en) | 2010-01-20 | 2010-01-20 | Method, system and mobile terminal for realizing hand-free call of mobile terminal headset |
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| Publication Number | Publication Date |
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| CN101753719A CN101753719A (en) | 2010-06-23 |
| CN101753719B true CN101753719B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010042847.8A Active CN101753719B (en) | 2010-01-20 | 2010-01-20 | Method, system and mobile terminal for realizing hand-free call of mobile terminal headset |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924835B (en) * | 2010-08-17 | 2014-01-22 | 惠州Tcl移动通信有限公司 | Mobile telephone communication method and mobile telephone |
| CN101938546A (en) * | 2010-08-26 | 2011-01-05 | 惠州Tcl移动通信有限公司 | Earphone microphone detection method based on mobile phone and mobile phone |
| CN101945172A (en) * | 2010-09-17 | 2011-01-12 | 惠州Tcl移动通信有限公司 | Mobile phone-based earphone recognition calling method and mobile phone |
| CN105578344B (en) * | 2014-10-10 | 2020-07-14 | 深圳富泰宏精密工业有限公司 | Earphone interface state detection system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350413A (en) * | 2000-10-20 | 2002-05-22 | 索尼国际(欧洲)股份有限公司 | Mobile terminal and earphone |
| CN201349247Y (en) * | 2008-12-22 | 2009-11-18 | 宇龙计算机通信科技(深圳)有限公司 | Earphone interface circuit and movable termination |
-
2010
- 2010-01-20 CN CN201010042847.8A patent/CN101753719B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350413A (en) * | 2000-10-20 | 2002-05-22 | 索尼国际(欧洲)股份有限公司 | Mobile terminal and earphone |
| CN201349247Y (en) * | 2008-12-22 | 2009-11-18 | 宇龙计算机通信科技(深圳)有限公司 | Earphone interface circuit and movable termination |
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| CN101753719A (en) | 2010-06-23 |
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