CN101969483B - Indication circuit of mobile phone - Google Patents
Indication circuit of mobile phone Download PDFInfo
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- CN101969483B CN101969483B CN201010250291.1A CN201010250291A CN101969483B CN 101969483 B CN101969483 B CN 101969483B CN 201010250291 A CN201010250291 A CN 201010250291A CN 101969483 B CN101969483 B CN 101969483B
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Abstract
The invention relates to the field of mobile communication terminals, and discloses an indication circuit of a mobile phone, which comprises a luminous indication element, wherein the first end of the luminous indication element is connected to the charge end of the mobile phone, while a second end is connected with a reference ground by a first field effect transistor; the D electrode of the first field effect transistor is connected with the luminous indication element, while an S electrode is connected with the reference ground; and the G electrode of the first field effect transistor is connected with a control end used for transmitting missed call and unread short message pulse width modulation signals by a second field effect transistor. The indication circuit realizes the two functions of pre-charging indication and breathing light indication in the same circuit by utilizing simple discrete components, has a simple structure and reduces the cost.
Description
Technical field
The present invention relates to mobile communication terminal field, in particular a kind of Mobile phone indicating circuit.
Background technology
Breath light, as its name suggests, light completes by bright to dark gradually changing under microcomputerized control, and perceptual image is to breathe.Extensively be used to the every field such as digital product, computer, sound equipment, automobile, play good visual decorative effect.
Mobile phone of the prior art will be realized precharge instruction and breath light instruction, conventionally need to realize with IC, causes like this circuit complexity, realizes cost high.And in the time of battery deep discharge, can not trigger mobile phone power-on after plugging charger, cannot indicate mobile phone to be in pre-charge state.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, a kind of Mobile phone indicating circuit is provided, it utilizes simple discrete component in same circuit, to realize precharge instruction and breath light is indicated this two functions, and circuit structure is simple, reduce cost.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of Mobile phone indicating circuit, comprises a luminous indicator elment, and wherein, the first end of described luminous indicator elment is connected to mobile phone charging end, and its second end connects with reference to ground by the first field effect transistor.
Described Mobile phone indicating circuit, wherein, the D utmost point of described the first field effect transistor is connected with described luminous indicator elment, and the S utmost point connects with reference to ground, the G utmost point by the second field effect transistor with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message is connected.
Described Mobile phone indicating circuit, wherein, it also comprises the FET switch circuit that an input is connected with battery of mobile phone, and the switch control end of described FET switch circuit is connected with the second control signal end, and its output is connected with the first end of described luminous indicator elment.
Described Mobile phone indicating circuit, wherein, described FET switch circuit comprises the 3rd field effect transistor and the 4th field effect transistor, the G utmost point of described the 3rd field effect transistor is connected with described the second control signal end, the S utmost point connects with reference to ground, the D utmost point and is connected with the G utmost point of described the 4th field effect transistor, the S utmost point of described the 4th field effect transistor is connected with described battery of mobile phone, and its D utmost point is connected with the first end of described luminous indicator elment.
Described Mobile phone indicating circuit, wherein, it also comprises the first diode being arranged between described the 4th field effect transistor and described luminous indicator elment, and the positive pole of described the first diode is connected with the D utmost point of described the 4th field effect transistor, the negative pole of described the first diode and the first end of described luminous indicator elment are connected;
Described Mobile phone indicating circuit, wherein, it also comprises the second diode being arranged between described mobile phone charging end and described luminous indicator elment, and the positive pole of described the second diode is connected with described mobile phone charging end, and the negative pole of described the second diode is connected with the negative pole of described the first diode.
Described Mobile phone indicating circuit, wherein, the positive pole of described the second diode is also connected with described mobile phone charging end by the first current-limiting resistance.
Described Mobile phone indicating circuit, wherein, the negative pole public connecting end of described the first diode and the second diode is connected with the first end of described luminous indicator elment by the second current-limiting resistance.
Described Mobile phone indicating circuit, wherein, the G utmost point of described the second field effect transistor with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message is connected, its S utmost point connects with reference to ground, its D utmost point is connected with the G utmost point of the first field effect transistor.
Wherein, described luminous indicator elment is a light-emitting diode
Beneficial effect: a kind of Mobile phone indicating circuit provided by the present invention, for realizing when the battery deep discharge, plug the pre-charge state of indicating mobile phone after charger.This circuit can be realized breath light effect simultaneously, in the time that mobile phone normal boot-strap uses, and instruction missed call and the event such as do not read SMS message.
The present invention utilizes simple discrete component in same circuit, to realize precharge instruction and breath light is indicated this two functions, has reduced cost; And the present invention can make up low-end mobile phone platform and can not realize the defect of preliminary filling instruction, can on any low-end mobile phone platform that there is no preliminary filling deixis, apply.
Brief description of the drawings
Fig. 1 is the Mobile phone indicating circuit structural representation of the embodiment of the present invention.
Embodiment
A kind of Mobile phone indicating circuit provided by the invention, for making object of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of Mobile phone indicating circuit that the embodiment of the present invention provides, utilize ball bearing made using to realize breath light instruction and precharge instruction simultaneously, as shown in Figure 1, the Mobile phone indicating circuit of embodiment, comprise a luminous indicator elment D3, this luminous indicator elment D3 is a light-emitting diode, and the first end 11 of described luminous indicator elment D3 is connected to mobile phone charging end, and its second end 12 connects with reference to ground by the first field effect transistor Q3.Field effect transistor has 3 polarity, grid (the G utmost point), drain electrode (the D utmost point), source electrode (the S utmost point).
Wherein, the D utmost point of described the first field effect transistor Q3 is connected with described luminous indicator elment D3, and the S utmost point of Q3 connects with reference to ground, the G utmost point of Q3 by the second field effect transistor Q4 with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message 100 is connected.
Further, described Mobile phone indicating circuit, as shown in Figure 1, it also comprises the FET switch circuit 300 that an input is connected with battery of mobile phone, the switch control end 13 of described FET switch circuit 300 be connected for the second control signal end 200 of controlling described FET switch circuit 300 switches, described FET switch circuit 300 outputs 14 are connected with the first end 11 of described luminous indicator elment D3.
As shown in Figure 1, described FET switch circuit 300 comprises the 3rd field effect transistor Q1 and the 4th field effect transistor Q2, the G utmost point of described the 3rd field effect transistor Q1 is connected with described the second control signal end 200, the S utmost point of Q1 connects with reference to the D utmost point of ground, Q1 and is connected with the G utmost point of described the 4th field effect transistor Q2, the S utmost point of described the 4th field effect transistor Q2 is connected with described battery of mobile phone, and the D utmost point of Q2 is connected with the first end 11 of described luminous indicator elment D3.
Embodiment further, as shown in Figure 1, it also comprises the first diode D1 being arranged between described the 4th field effect transistor Q2 and described luminous indicator elment D3, and the positive pole of described the first diode D1 is connected with the D utmost point of described the 4th field effect transistor Q2, the negative pole of described the first diode D2 and the first end 11 of described luminous indicator elment D3 are connected.
As shown in Figure 1, described Mobile phone indicating circuit, also comprise and be arranged on the second diode D2 between described mobile phone charging end and described luminous indicator elment D3, the positive pole of described the second diode D2 and described mobile phone charging end, the negative pole of described the second diode D2 is connected with the negative pole of described the first diode D1.
And be also connected with described mobile phone charging end by the first current-limiting resistance R6 at the positive pole of described the second diode D2.
And be connected with the first end 11 of described luminous indicator elment D3 by the second current-limiting resistance R7 at the negative pole public connecting end of described the first diode D1 and the second diode D2.
The G utmost point of described the second field effect transistor Q4 with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message 100 is connected, the S utmost point of Q4 connects with reference to ground, the D utmost point of Q4 is connected with the G utmost point of the first field effect transistor Q3.
The Mobile phone indicating circuit of the embodiment of the present invention utilizes ball bearing made using to realize breath light instruction and precharge instruction simultaneously, realizes principle as shown in Figure 1:
One, breath light deixis principle:
In the time that charger is not inserted in mobile phone charging end, the second control signal end 200 sends control signal control Q1 Q2 is opened, and uses battery of mobile phone to the luminous indicator elment D3 power supply of lamp.In the time having charger to plug to be connected to mobile phone charging end, send control signal control by the second control signal end 200 and turn-off Q1, Q2, uses charger to power to lamp D3.When having missed call or not reading SMS message, by for the switching time of sending missed call and the control end of the pulse width modulating signal that do not read SMS message 100 sends PWM (pulse width modulating signal) signal controlling Q4, the ON time of Q3 is shortened by long, progressively turn-off, the switch ratio of lamp D3 shortens by growing progressively like this, due to human eye vision effect, the effect of lamp is exactly by bright progressively dimmed, realizes effect of breathing.
Two, preliminary filling deixis principle:
In the time of battery deep discharge, mobile phone can not normal boot-strap, field effect transistor Q1, and Q2, Q4 is in off state.When plugging after charger, mobile phone detects charger, Q3 is opened to some bright light D3, instruction precharging state.When preliminary filling finishes, after mobile phone energy normal boot-strap, turn-off Q3, Q4, extinguishes lamp D3.
Therefore a kind of Mobile phone indicating circuit provided by the present invention, for realizing when the battery deep discharge, plugs the pre-charge state of indicating mobile phone after charger.This circuit can be realized breath light effect simultaneously, in the time that mobile phone normal boot-strap uses, and instruction missed call and the event such as do not read SMS message.
The present invention utilizes simple discrete component in same circuit, to realize precharge instruction and breath light is indicated this two functions, has reduced cost; And the present invention can make up low-end mobile phone platform and can not realize the defect of preliminary filling instruction, can on any low-end mobile phone platform that there is no preliminary filling deixis, apply.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (7)
1. a Mobile phone indicating circuit, comprises a luminous indicator elment, it is characterized in that, the first end of described luminous indicator elment is connected to mobile phone charging end, and its second end connects with reference to ground by the first field effect transistor;
The D utmost point of described the first field effect transistor is connected with described luminous indicator elment, and the S utmost point connects with reference to ground, the G utmost point by the second field effect transistor with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message is connected;
Described Mobile phone indicating circuit also comprises the FET switch circuit that an input is connected with battery of mobile phone, the switch control end of described FET switch circuit is connected with the second control signal end, and the output of described FET switch circuit is connected with the first end of described luminous indicator elment;
Described FET switch circuit comprises the 3rd field effect transistor and the 4th field effect transistor, the G utmost point of described the 3rd field effect transistor is connected with described the second control signal end, the S utmost point connects with reference to ground, the D utmost point and is connected with the G utmost point of described the 4th field effect transistor, the S utmost point of described the 4th field effect transistor is connected with described battery of mobile phone, and its D utmost point is connected with the first end of described luminous indicator elment;
In the time of battery deep discharge, mobile phone can not normal boot-strap, and the second field effect transistor, the 3rd field effect transistor and the 4th field effect transistor are in off state; When plugging after charger, mobile phone detects charger, and the first field effect transistor is opened, and lights luminous indicator elment, instruction precharging state.
2. Mobile phone indicating circuit according to claim 1, it is characterized in that, described Mobile phone indicating circuit also comprises the first diode being arranged between described the 4th field effect transistor and described luminous indicator elment, and the positive pole of described the first diode is connected with the D utmost point of described the 4th field effect transistor, the negative pole of described the first diode and the first end of described luminous indicator elment are connected.
3. Mobile phone indicating circuit according to claim 2, it is characterized in that, described Mobile phone indicating circuit also comprises the second diode being arranged between described mobile phone charging end and described luminous indicator elment, the positive pole of described the second diode is connected with described mobile phone charging end, and the negative pole of described the second diode is connected with the negative pole of described the first diode.
4. Mobile phone indicating circuit according to claim 3, is characterized in that, the positive pole of described the second diode is also connected with described mobile phone charging end by the first current-limiting resistance.
5. Mobile phone indicating circuit according to claim 4, is characterized in that, is connected by the second current-limiting resistance at the negative pole public connecting end of described the first diode and the second diode with the first end of described luminous indicator elment.
6. Mobile phone indicating circuit according to claim 1, it is characterized in that, the G utmost point of described the second field effect transistor with for sending missed call and the control end of the pulse width modulating signal that do not read SMS message is connected, its S utmost point connects with reference to ground, its D utmost point is connected with the G utmost point of the first field effect transistor.
7. according to the arbitrary described Mobile phone indicating circuit of claim 1-6, it is characterized in that, described luminous indicator elment is a light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010250291.1A CN101969483B (en) | 2010-08-02 | 2010-08-02 | Indication circuit of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010250291.1A CN101969483B (en) | 2010-08-02 | 2010-08-02 | Indication circuit of mobile phone |
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| CN101969483A CN101969483A (en) | 2011-02-09 |
| CN101969483B true CN101969483B (en) | 2014-07-30 |
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| CN201010250291.1A Active CN101969483B (en) | 2010-08-02 | 2010-08-02 | Indication circuit of mobile phone |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185941B (en) * | 2011-04-22 | 2013-11-06 | 惠州Tcl移动通信有限公司 | Mobile terminal |
| CN102291879B (en) * | 2011-05-19 | 2015-02-11 | 惠州Tcl移动通信有限公司 | Control circuit, method and device for charging indicator light as well as charging device |
| CN102378454B (en) * | 2011-12-05 | 2014-10-01 | 合肥美的电冰箱有限公司 | Breath light control circuit |
| CN104146607A (en) * | 2014-07-17 | 2014-11-19 | 广东艾沃科技有限公司 | Method for reducing energy consumption of water dispenser |
| CN109600509A (en) * | 2018-11-22 | 2019-04-09 | 惠州Tcl移动通信有限公司 | Method and system, charging equipment and the storage medium of the state of prompting mobile terminal |
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| CN201219205Y (en) * | 2008-04-28 | 2009-04-08 | 中银（宁波）电池有限公司 | Charger with illumination function |
| CN201839325U (en) * | 2010-08-02 | 2011-05-18 | 惠州Tcl移动通信有限公司 | Mobile phone indicating circuit |
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| CN101578917A (en) * | 2006-11-09 | 2009-11-11 | 苹果公司 | Brightness control of a status indicator light |
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Effective date of registration: 20201229 Address after: Northeast corner of the intersection of Beihuan road and Linji Road, Dingtao District, Heze City, Shandong Province Patentee after: HEZE SHUANGLONG METALLURGICAL MACHINERY Co.,Ltd. Address before: 510000 No.106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a4845 (cluster registration) (JM) Patentee before: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Effective date of registration: 20201229 Address after: 510000 No.106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a4845 (cluster registration) (JM) Patentee after: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Address before: 516006 TCL mobile communication company, No. 23 residential district, Huizhou hi tech Development Zone, Huicheng District, Guangdong Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |