CN105246198A - Device for controlling mobile phone lighting function - Google Patents
Device for controlling mobile phone lighting function Download PDFInfo
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- CN105246198A CN105246198A CN201510641589.8A CN201510641589A CN105246198A CN 105246198 A CN105246198 A CN 105246198A CN 201510641589 A CN201510641589 A CN 201510641589A CN 105246198 A CN105246198 A CN 105246198A
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Abstract
The invention discloses a device for controlling a mobile phone lighting function. The device comprises a first control module, a second control module, a logic control module and a light emitting diode (LED) working module, wherein the first control module is used for generating a first control signal, and the first control signal is used for controlling opening or closing of the mobile phone lighting function when a mobile phone is in a switch-on state; the second control module is used for generating a second control signal, and the second control signal is used for controlling opening or closing of the mobile phone lighting function when the mobile phone is in a switch-off or standby state; the logic control module is used for generating an enable control signal according to the first control signal and the second control signal; and the LED working module is used for receiving the enable control signal, and controlling switch-on or switch-off of an LED in the LED working module according to the enable control signal so as to open or close the mobile phone lighting function. Through the above mode, the mobile phone lighting function can be controlled when the mobile phone is in the switch-on state or also can be controlled when the mobile phone is in the switch-off or the standby state, and the device is convenient for people to use.
Description
Technical field
The present invention relates to field of mobile terminals, particularly relate to a kind of device controlling mobile phone illumination functions.
Background technology
Along with the development of mobile phone technique, mobile phone is very universal, and mobile phone has become the indispensable part of human lives.In order to avoid too much burden, people often carry with little instrument, and mobile phone is as one of carry-on essential items of people, effectively instead of the function of some instrument.
Wherein, mobile phone illumination functions instead of the function of flashlight, but mobile phone illumination functions generally only could use under the state of mobile phone power-on at present, and when mobile phone is in shutdown or holding state, illumination functions cannot use, and so just brings inconvenience to the use of people.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of device controlling mobile phone illumination functions, can realize not only under the state of start, and all can control mobile phone illumination functions under shutdown or standby state.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of device controlling mobile phone illumination functions, comprising:
First control module, for generation of the first control signal, the first control signal is used under mobile phone power-on state, control mobile phone illumination functions and opens or close; Second control module, for generation of the second control signal, the second control signal is used under mobile phone shutdown or holding state, control mobile phone illumination functions and opens or close; Logic control module, for producing enable control signal according to the first control signal and the second control signal; LED operational module, for receiving enable control signal, and according to the LEDs ON in enable control signal control LED operational module or cut-off with open or closing hand phone illumination functions.
Wherein, Logic control module comprises inverter and OR circuit; The first input end of OR circuit receives the first control signal, and the input of inverter receives the second control signal, and the output of inverter is connected with the second input of OR circuit, the output output enable control signal of OR circuit.
Wherein, LED operational module comprises driving chip, the first light-emitting diode and the second light-emitting diode, and driving chip comprises torch mode enable pin, first and drives pin, second to drive pin and power supply output pin; Torch mode enable pin receives enable control signal, the negative pole of the first light-emitting diode, the second light-emitting diode drives pin, second to drive pin to be connected respectively with first, the positive pole of the first light-emitting diode, the second light-emitting diode is connected with power supply output pin; Wherein, when enable control signal is in high level, the first light-emitting diode, the second LEDs ON are with starting hand-set illumination functions; When enable control signal is in low level, the first light-emitting diode, the second light-emitting diode cut-off are with closing hand phone illumination functions.
Wherein, LED operational module comprises driving chip, the 3rd light-emitting diode, and driving chip comprises torch mode enable pin, first and drives pin, second to drive pin and power supply output pin; Torch mode enable pin receives enable control signal, and the negative pole of the 3rd luminescence two drives pin, second to drive pin to be connected respectively with first, the positive pole of the 3rd light-emitting diode is connected with power supply output pin; Wherein, when enable control signal is in high level, the 3rd LEDs ON is with starting hand-set illumination functions; When enable control signal is in low level, the 3rd light-emitting diode cut-off is with closing hand phone illumination functions.
Wherein, when mobile phone is in shutdown or standby mode, residing first control module quits work and makes the first control signal be in low level; When the second control signal that the second control module produces is high level, the enable control signal that Logic control module exports is in low level.
Wherein, when the second control signal that the second control module produces is low level, the enable control signal that Logic control module exports is in high level.
Wherein, when mobile phone is in power on mode, residing second control module stops output second control signal to be in high level to make the second control signal; When the first control signal that the first control module produces is high level, the enable control signal that Logic control module exports is in high level.
Wherein, when the first control signal that the first control module produces is low level, the enable control signal that Logic control module exports is in low level.
Wherein, the first control module is the general I/O port of base band control chip.
Wherein, the second control module is volume+or volume-button, wherein, when mobile phone be in shutdown or standby mode time, by pressing volume+or volume-button to produce the second control signal.
The invention has the beneficial effects as follows: the device of control mobile phone illumination functions of the present invention produces the first control signal by the first control module, second control module produces the second control signal, Logic control module produces enable control signal according to the first control signal and the second control signal, LED operational module receives enable control signal, and according to the LEDs ON in enable control signal control LED operational module or cut-off with open or closing hand phone illumination functions, wherein, first control signal is used under mobile phone power-on state, control mobile phone illumination functions and opens or close, second control signal is used under mobile phone shutdown or holding state, control mobile phone illumination functions and opens or close.By the way, the present invention can realize not only under the state of start, and all can control mobile phone illumination functions under shutdown or standby state, facilitates the use of people.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of the control mobile phone illumination functions of the embodiment of the present invention;
Fig. 2 is embodiment circuit theory diagrams of Logic control module in Fig. 1;
Fig. 3 is embodiment circuit theory diagrams of LED operational module in Fig. 1;
Fig. 4 is another embodiment circuit theory diagrams of LED operational module in Fig. 1.
Embodiment
In the middle of specification and claims, employ some vocabulary to censure specific assembly, one of skill in the art should understand, and same assembly may be called with different nouns by manufacturer.This specification and claims book is not used as with the difference of title the mode distinguishing assembly, but is used as the benchmark of differentiation with assembly difference functionally.Below in conjunction with drawings and Examples, the present invention is described in detail.
Fig. 1 is the structural representation of the device of the control mobile phone illumination functions of the embodiment of the present invention.As shown in Figure 1, this device comprises: the first control module 11, second control module 12, Logic control module 13 and LED operational module 14.
First control module 11 is for generation of the first control signal V1, and wherein, the first control signal V1 is level signal, opens for controlling mobile phone illumination functions under mobile phone power-on state or closes.In the present embodiment, the first control module 11 is the general I/O port of base band control chip.Those skilled in the art will appreciate that in other embodiments, the first control module 11 also can for being different from other control module of the general I/O port of base band control chip, as long as it can outputs level signals.
Second control module 12 is for generation of the second control signal V2, and wherein, the second control signal V2 is level signal, opens for controlling mobile phone illumination functions under mobile phone shutdown or holding state or closes.In the present embodiment, the second control module 12 is volume+or volume-button, wherein, when mobile phone is in shutdown or standby mode, produces the second control signal V2 by pressing volume+or volume-button.
Logic control module 13 is connected with the first control module 11 and the second control module 12 respectively, for producing enable control signal EN according to the first control signal V1 and the second control signal V2.
Please also refer to the embodiment circuit theory diagrams that Fig. 2, Fig. 2 are Logic control modules in Fig. 1.As shown in Figure 2, Logic control module 13 comprises reverser U1 and OR circuit U2.
The first input end of OR circuit U2 receives the first control signal V1, and the input of inverter U1 receives the second control signal V2, and the output of inverter U1 is connected with second input of OR circuit U2, the output output enable control signal EN of OR circuit U2.
Be connected with Logic control module 13 please continue to refer to Fig. 1, LED operational module 14, for receiving enable control signal EN, and according to the LEDs ON in enable control signal EN control LED operational module 14 or cut-off with open or closing hand phone illumination functions.
Please also refer to the embodiment circuit theory diagrams that Fig. 3, Fig. 3 are LED operational modules in Fig. 1.As shown in Figure 3, LED operational module 14 comprises driving chip U3, the first LED 1 and the second LED 2.Wherein, driving chip U3 comprises torch mode enable pin ENM, the first driving pin D1, second drives pin D2 and power supply output pin VOUT.
Torch mode enable pin ENM receives enable control signal EN, the negative pole of the first LED 1, second LED 2 drives pin D1, second to drive pin D2 to be connected respectively with first, the positive pole of the first LED 1, second LED 2 is connected with power supply output pin VOUT.
Wherein, when enable control signal EN is in high level, the first LED 1, second LED 2 conducting is with starting hand-set illumination functions; When enable control signal EN is in low level, the first LED 1, second LED 2 ends with closing hand phone illumination functions.
Preferably, driving chip U3 comprises torch mode electric current further and arranges pin RSETM, LED operational module 14 comprises resistance R1 further, and one end and the torch mode electric current of resistance R1 arrange pin RSETM and be connected, and the other end of resistance R1 is connected with earth signal GND.Wherein, the resistance of the electric current and resistance R1 that flow through the first LED 1, second LED 2 is inversely proportional to.Specifically, the electric current flowing through the first LED 1, second LED 2 is equal, and its numerical value equals 7500/R1.
In the present embodiment, the operation principle controlling the device of mobile phone illumination functions is:
When mobile phone is in shutdown or standby mode, the first control module 11 quits work and makes the first control signal V1 be in low level.That is, when mobile phone is in shutdown or standby mode, the general I/O port no-output of base band control chip, now, the first control signal is in initial condition, is also low level.
Now, when the second control signal V2 that the second control module 12 produces is low level, the enable control signal EN that Logic control module 13 exports is in high level, and mobile phone illumination functions is opened.When the second control signal V2 that the second control module 12 produces is high level, the enable control signal EN that Logic control module 13 exports is in low level, and mobile phone illumination functions is closed.
In actual applications, for the second control module 12 for volume+or volume-button, can design when mobile phone is in shutdown or standby mode, first time presses volume+or volume-button produces low level second control signal V2 with starting hand-set illumination functions, second time presses volume+or volume-button produces the second control signal V2 of high level with closing hand phone illumination functions, third time presses volume+or volume-button produces low level second control signal V2 with starting hand-set illumination functions, the rest may be inferred, thus the control realized when mobile phone is in shutdown or standby mode to mobile phone illumination functions.
When mobile phone is in power on mode, the second control module 12 stops output second control signal V2 to be in high level to make the second control signal V2.That is, when mobile phone is in power on mode, pressing volume+or volume-button are the increase or the minimizing function that realize volume, and now, the second control signal is in initial condition, is also high level.
Now, when the first control signal V1 that the first control module 11 produces is high level, the enable control signal EN that Logic control module 13 exports is in high level, and mobile phone illumination functions is opened.When the first control signal V1 that the first control module 11 produces is low level, the enable control signal EN that Logic control module 13 exports is in low level, and mobile phone illumination functions is closed.
In actual applications, when the first control module 11 is the general I/O port of base band control chip, control general I/O port export high level then can starting hand-set illumination functions, controlling general I/O port output low level then can closing hand phone illumination functions, thus realizes when mobile phone is in power on mode the control of mobile phone illumination functions.
Please refer to Fig. 4, Fig. 4 is another embodiment circuit theory diagrams of LED operational module in Fig. 1.The difference of the LED operational module shown in Fig. 4 and the LED operational module shown in Fig. 3 is: the LED operational module shown in Fig. 4 only comprises a light-emitting diode, i.e. the 3rd LED 3.
The negative pole of the 3rd LED 3 drives pin D1, second to drive pin D2 to be connected respectively with first, the positive pole of the 3rd LED 3 is connected with power supply output pin VOUT.
When enable control signal EN is in high level, the 3rd LED 3 conducting is with starting hand-set illumination functions; When enable control signal EN is in low level, the 3rd LED 3 ends with closing hand phone illumination functions.In addition, the electric current flowing through the 3rd LED 3 is the twice of the electric current flowing through the first LED 1 or the second LED 2.
The operation principle of the LED operational module shown in Fig. 4 and the LED operational module shown in Fig. 3 is similar, for the purpose of brief, does not repeat them here.
The invention has the beneficial effects as follows: the device of control mobile phone illumination functions of the present invention produces the first control signal by the first control module, second control module produces the second control signal, Logic control module produces enable control signal according to the first control signal and the second control signal, LED operational module receives enable control signal, and according to the LEDs ON in enable control signal control LED operational module or cut-off with open or closing hand phone illumination functions, wherein, first control signal is used under mobile phone power-on state, control mobile phone illumination functions and opens or close, second control signal is used under mobile phone shutdown or holding state, control mobile phone illumination functions and opens or close.By the way, the present invention can realize not only under the state of start, and all can control mobile phone illumination functions under shutdown or standby state, facilitates the use of people.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. control a device for mobile phone illumination functions, it is characterized in that, comprising:
First control module, for generation of the first control signal, described first control signal is used under mobile phone power-on state, control described mobile phone illumination functions and opens or close;
Second control module, for generation of the second control signal, described second control signal is used under mobile phone shutdown or holding state, control described mobile phone illumination functions and opens or close;
Logic control module, for producing enable control signal according to described first control signal and described second control signal;
LED operational module, for receiving described enable control signal, and controls the LEDs ON in described LED operational module according to described enable control signal or ends open or close described mobile phone illumination functions.
2. device according to claim 1, is characterized in that, described Logic control module comprises inverter and OR circuit;
The first input end of described OR circuit receives described first control signal, the input of described inverter receives described second control signal, the output of described inverter is connected with the second input of described OR circuit, and the output of described OR circuit exports described enable control signal.
3. device according to claim 2, it is characterized in that, described LED operational module comprises driving chip, the first light-emitting diode and the second light-emitting diode, and described driving chip comprises torch mode enable pin, first and drives pin, second to drive pin and power supply output pin;
Described torch mode enable pin receives described enable control signal, the negative pole of described first light-emitting diode, the second light-emitting diode drives pin, second to drive pin to be connected respectively with described first, the positive pole of described first light-emitting diode, the second light-emitting diode is connected with described power supply output pin;
Wherein, when described enable control signal is in high level, described first light-emitting diode, the second LEDs ON are to open described mobile phone illumination functions; When described enable control signal is in low level, described first light-emitting diode, the second light-emitting diode cut-off are to close described mobile phone illumination functions.
4. device according to claim 2, is characterized in that, described LED operational module comprises driving chip, the 3rd light-emitting diode, and described driving chip comprises torch mode enable pin, first and drives pin, second to drive pin and power supply output pin;
Described torch mode enable pin receives described enable control signal, and the negative pole of described 3rd luminescence two drives pin, second to drive pin to be connected respectively with described first, the positive pole of described 3rd light-emitting diode is connected with described power supply output pin;
Wherein, when described enable control signal is in high level, described 3rd LEDs ON is to open described mobile phone illumination functions; When described enable control signal is in low level, described 3rd light-emitting diode cut-off is to close described mobile phone illumination functions.
5. the device according to claim 3 or 4, is characterized in that, when described mobile phone is in shutdown or standby mode, residing first control module quits work and makes described first control signal be in low level;
When described second control signal that described second control module produces is high level, the described enable control signal that described Logic control module exports is in low level.
6. device according to claim 5, is characterized in that, when described second control signal that described second control module produces is low level, the described enable control signal that described Logic control module exports is in high level.
7. the device according to claim 3 or 4, is characterized in that, when described mobile phone is in power on mode, residing second control module stops exporting described second control signal and is in high level to make described second control signal;
When described first control signal that described first control module produces is high level, the described enable control signal that described Logic control module exports is in high level.
8. device according to claim 7, is characterized in that, when described first control signal that described first control module produces is low level, the described enable control signal that described Logic control module exports is in low level.
9. device according to claim 1, is characterized in that, described first control module is the general I/O port of base band control chip.
10. device according to claim 1, it is characterized in that, described second control module is volume+or volume-button, wherein, when described mobile phone is in shutdown or standby mode, by pressing described volume+or volume-button to produce described second control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641589.8A CN105246198A (en) | 2015-09-30 | 2015-09-30 | Device for controlling mobile phone lighting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641589.8A CN105246198A (en) | 2015-09-30 | 2015-09-30 | Device for controlling mobile phone lighting function |
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| CN105246198A true CN105246198A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510641589.8A Pending CN105246198A (en) | 2015-09-30 | 2015-09-30 | Device for controlling mobile phone lighting function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061003A (en) * | 2016-05-25 | 2016-10-26 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN107404549A (en) * | 2017-08-14 | 2017-11-28 | 广东欧珀移动通信有限公司 | Mobile terminal and its flashlight drive circuit |
| CN116209111A (en) * | 2023-02-01 | 2023-06-02 | 无锡宇宁智能科技有限公司 | Flashlight lamp switch control circuit and corresponding handheld device |
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| US20040114749A1 (en) * | 1999-02-11 | 2004-06-17 | Korn Hayley | Apparatus for disabling a telephone ringer |
| CN102572040A (en) * | 2010-12-30 | 2012-07-11 | 希姆通信息技术（上海）有限公司 | Mobile terminal |
| CN103259896A (en) * | 2013-04-15 | 2013-08-21 | 上海摩软通讯技术有限公司 | Mobile terminal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040114749A1 (en) * | 1999-02-11 | 2004-06-17 | Korn Hayley | Apparatus for disabling a telephone ringer |
| CN102572040A (en) * | 2010-12-30 | 2012-07-11 | 希姆通信息技术（上海）有限公司 | Mobile terminal |
| CN103259896A (en) * | 2013-04-15 | 2013-08-21 | 上海摩软通讯技术有限公司 | Mobile terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061003A (en) * | 2016-05-25 | 2016-10-26 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106061003B (en) * | 2016-05-25 | 2018-03-16 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN107404549A (en) * | 2017-08-14 | 2017-11-28 | 广东欧珀移动通信有限公司 | Mobile terminal and its flashlight drive circuit |
| CN116209111A (en) * | 2023-02-01 | 2023-06-02 | 无锡宇宁智能科技有限公司 | Flashlight lamp switch control circuit and corresponding handheld device |
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Application publication date: 20160113 |
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