CN103078655A - Mobile terminal radiation control circuit and mobile terminal - Google Patents
Mobile terminal radiation control circuit and mobile terminal Download PDFInfo
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- CN103078655A CN103078655A CN2013100048044A CN201310004804A CN103078655A CN 103078655 A CN103078655 A CN 103078655A CN 2013100048044 A CN2013100048044 A CN 2013100048044A CN 201310004804 A CN201310004804 A CN 201310004804A CN 103078655 A CN103078655 A CN 103078655A
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- mobile terminal
- control circuit
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- touch
- sensible chip
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Abstract
The invention provides a mobile terminal radiation control circuit and a mobile terminal. The mobile terminal radiation control circuit comprises a touch sensing plate and a touch sensing chip; the touch sensing plate is arranged on a touch screen of the mobile terminal; and when the touch sensing plate senses getting close or touch operation of a user, the touch sensing chip outputs a control signal to reduce the transmission power of the terminal. According to the mobile terminal radiation control circuit and the mobile terminal provided by the invention, as the touch sensing plate and the touch sensing chip are arranged to sense the touching or getting close of the user, when the touch sensing plate senses the getting close or touch operation of the user, the emission power of the touch sensing plate is automatically reduced, so that the harm of the radiation to the human body is reduced, the human body health is protected, the energy is saved and the environment is protected.
Description
Technical field
The present invention relates to the electronic communication field, particularly a kind of mobile terminal radiating control circuit and portable terminal.
Background technology
Along with the development of electronic communication, the electronics portable terminal more and more becomes the indispensable instrument of people's daily life, and it brings great convenience not only for people's Working Life, and has amusement function concurrently, brings a lot of enjoyment to people's life.
Portable terminal in use can produce certain radiation, for example mobile phone can be launched stronger radiation in communication process, panel computer also can produce radiation when surfing the Net by wireless network for another example, even do not make a phone call or when not surfing the Net, it still can be launched radio wave and base station and carries out communication when being mobile phone or panel computer standby, and health is had a negative impact.
In the prior art, when using the electronics portable terminal, when portable terminal was operated by the user away from human body (for example being positioned on the desk) and near human body, the radiant power of this portable terminal was constant.Like this when portable terminal during near to or in contact with human body its radiant power larger, be unfavorable for protecting health and energy-conserving and environment-protective.
Summary of the invention
The objective of the invention is to propose a kind of mobile terminal radiating control circuit and portable terminal; its can sense the user near or automatically reduce its transmitting power during touch operation; thereby reduce the injury of Radiation On Human body, protect health and be conducive to energy-conserving and environment-protective.
For achieving the above object, the present invention proposes a kind of mobile terminal radiating control circuit, comprise touch-sensitive panel and touch sensible chip, described touch-sensitive panel is located on the touch-screen of portable terminal, when described touch-sensitive panel sensed the user near or during touch operation, described touch sensible chip output control signal reduces the transmitting power of terminal.
Further, in above-mentioned mobile terminal radiating control circuit, the output of described touch-sensitive panel is connected in the signal input part of touch sensible chip by the first resistance, also by the first capacity earth, the signal output part of described touch sensible chip is connected in the microprocessor of portable terminal by general purpose I/O port to the output of described touch-sensitive panel.
Further, in above-mentioned mobile terminal radiating control circuit, the signal output part of described touch sensible chip also connects power supply by the second resistance.
Further, in above-mentioned mobile terminal radiating control circuit, the power input of described touch sensible chip is connected in power supply, and the power input of described touch sensible chip is by the second capacity earth, and described the second electric capacity two ends are parallel with the 3rd electric capacity.
Further, in above-mentioned mobile terminal radiating control circuit, the capacitance of described the second electric capacity is 1 μ F, and the capacitance of described the 3rd electric capacity is 100pF.
Further, in above-mentioned mobile terminal radiating control circuit, the earth terminal ground connection of described touch sensible chip, the control end of described touch sensible chip is vacant.
Further, in above-mentioned mobile terminal radiating control circuit, the voltage output end of described touch sensible chip is by the 4th capacity earth, and described the 4th electric capacity two ends are parallel with the 5th electric capacity.
Further, in above-mentioned mobile terminal radiating control circuit, the capacitance of described the 4th electric capacity is 1 μ F, and the capacitance of described the 5th electric capacity is 100pF.
Further, in above-mentioned mobile terminal radiating control circuit, the resistance of described the second resistance R 2 is 10K Ω.
In addition, a kind of portable terminal that comprises above-mentioned mobile terminal radiating control circuit of the present invention.
Mobile terminal radiating control circuit of the present invention and portable terminal are responded to user's touch or close by touch-sensitive panel and touch sensible chip are set; when described touch-sensitive panel sensed the user near or automatically reduce its transmitting power during touch operation; thereby reduce the injury of Radiation On Human body, protect health and be conducive to energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the principle schematic of mobile terminal radiating control circuit one embodiment of the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
See also Fig. 1, mobile terminal radiating control circuit of the present invention, be used for the work radiant power that control reduces portable terminal, comprise touch-sensitive panel E1 and touch sensible chip U1, described touch-sensitive panel E1 is located on the touch-screen (not shown) of portable terminal, when described touch-sensitive panel E1 sensed the user near or during touch operation, described touch sensible chip U1 output control signal reduces the transmitting power of terminal.It is about 10mm that described touch-sensitive panel E1 senses the close distance of user, and the better effects if that certainly touches, sensitiveer can be set chip.
Particularly, the output of described touch-sensitive panel E1 is connected in the signal input part CX of touch sensible chip U1 by the first resistance R 1, the output of described touch-sensitive panel E1 is also by the first capacitor C 1 ground connection, the signal output part OUT of described touch sensible chip U1 is by general purpose I/O port GPIO(General-Purpose Input/Output Ports) be connected in the microprocessor (not shown) of portable terminal, simultaneously, the signal output part OUT of described touch sensible chip U1 also connects power supply VCC(3V by the second resistance R 2), the earth terminal VSS ground connection of described touch sensible chip U1, the control end CTRL of described touch sensible chip U1 is vacant, be used for the control inputs signal, there is the pull-up resistor (not shown) its inside, described control end CTRL does not need microprocessor to control, as long as touch sensible chip U1 powers on and gets final product work.
The power input VDDHI(5V of described touch sensible chip U1) be connected in power supply VCC(3V), simultaneously, the power input VDDHI of described touch sensible chip U1 is by the second capacitor C 2 ground connection, and described the second capacitor C 2 two ends are parallel with the 3rd capacitor C 3.Wherein, the capacitance of described the second capacitor C 2 is 1 μ F, and the capacitance of described the 3rd capacitor C 3 is 100pF.
The voltage output end VREG of described touch sensible chip U1 is by the 4th capacitor C 4 ground connection, and described the 4th capacitor C 4 two ends are parallel with the 5th capacitor C 5.Wherein, the capacitance of described the 4th capacitor C 4 is 1 μ F, and the capacitance of described the 5th capacitor C 5 is 100pF.
The capacitance of described the first capacitor C 1 is 2.2pF, and the resistance of described the first resistance R 1 is 470 Ω, and the resistance of described the second resistance R 2 is 10K Ω.
Described touch-sensitive panel E1 is the metal species material, it is used for receiving the external touch signal, when described portable terminal does not use away from human body, described touch-sensitive panel E1 does not have the user to touch or is close at this moment, the signal output part OUT of described touch sensible chip U1 is output not, and namely described general purpose I/O port GPIO is in high level; When the user uses this portable terminal and after touching described touch-sensitive panel E1, the signal output part OUT of described touch sensible chip U1 is output as low level, described general purpose I/O port GPIO is in low level, this moment portable terminal microprocessor detect this GPIO and become low level after, namely judge this portable terminal of human body proximity is arranged, the transmitting power of this portable terminal is reduced certain numerical value (acquiescence preset value), because portable terminal its transmitting power when work is directly proportional with radiant power, thereby has also just reduced the radiant power of this portable terminal.This portable terminal for example mobile phone can carry out communication by emission radio wave and base station when work, its transmitting power changes along with change in signal strength, and the local transmitting power that signal is strong is low, and the local transmitting power a little less than the signal is high.
In addition, the present invention also provides a kind of portable terminal that comprises above-mentioned mobile terminal radiating control circuit.
Mobile terminal radiating control circuit of the present invention and portable terminal are responded to user's touch or close by touch-sensitive panel and touch sensible chip are set; when described touch-sensitive panel sensed the user near or automatically reduce its transmitting power during touch operation; thereby reduce the injury of Radiation On Human body, protect health and be conducive to energy-conserving and environment-protective.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (10)
1. mobile terminal radiating control circuit, it is characterized in that, comprise touch-sensitive panel and touch sensible chip, described touch-sensitive panel is located on the touch-screen of portable terminal, when described touch-sensitive panel sensed the user near or during touch operation, described touch sensible chip output control signal reduces the transmitting power of terminal.
2. mobile terminal radiating control circuit according to claim 1, it is characterized in that, the output of described touch-sensitive panel is connected in the signal input part of touch sensible chip by the first resistance, also by the first capacity earth, the signal output part of described touch sensible chip is connected in the microprocessor of portable terminal by general purpose I/O port to the output of described touch-sensitive panel.
3. mobile terminal radiating control circuit according to claim 2 is characterized in that, the signal output part of described touch sensible chip also connects power supply by the second resistance.
4. mobile terminal radiating control circuit according to claim 2, it is characterized in that, the power input of described touch sensible chip is connected in power supply, and the power input of described touch sensible chip is by the second capacity earth, and described the second electric capacity two ends are parallel with the 3rd electric capacity.
5. mobile terminal radiating control circuit according to claim 4 is characterized in that, the capacitance of described the second electric capacity is 1 μ F, and the capacitance of described the 3rd electric capacity is 100pF.
6. mobile terminal radiating control circuit according to claim 2 is characterized in that, the earth terminal ground connection of described touch sensible chip, and the control end of described touch sensible chip is vacant.
7. mobile terminal radiating control circuit according to claim 2 is characterized in that, the voltage output end of described touch sensible chip is by the 4th capacity earth, and described the 4th electric capacity two ends are parallel with the 5th electric capacity.
8. mobile terminal radiating control circuit according to claim 7 is characterized in that, the capacitance of described the 4th electric capacity is 1 μ F, and the capacitance of described the 5th electric capacity is 100pF.
9. mobile terminal radiating control circuit according to claim 3 is characterized in that, the resistance of described the second resistance R 2 is 10K Ω.
10. a portable terminal is characterized in that, described portable terminal comprises each described mobile terminal radiating control circuit such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100048044A CN103078655A (en) | 2013-01-07 | 2013-01-07 | Mobile terminal radiation control circuit and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100048044A CN103078655A (en) | 2013-01-07 | 2013-01-07 | Mobile terminal radiation control circuit and mobile terminal |
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| CN103078655A true CN103078655A (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100048044A Pending CN103078655A (en) | 2013-01-07 | 2013-01-07 | Mobile terminal radiation control circuit and mobile terminal |
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| CN (1) | CN103078655A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094984A (en) * | 2016-05-31 | 2016-11-09 | 合肥联宝信息技术有限公司 | The distance sensing device of a kind of smart machine and smart machine |
| CN106211298A (en) * | 2016-06-23 | 2016-12-07 | 联想(北京)有限公司 | A kind of information processing method and mobile terminal |
| CN115149977A (en) * | 2022-06-30 | 2022-10-04 | 东莞华贝电子科技有限公司 | Electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094984A (en) * | 2016-05-31 | 2016-11-09 | 合肥联宝信息技术有限公司 | The distance sensing device of a kind of smart machine and smart machine |
| CN106094984B (en) * | 2016-05-31 | 2019-03-19 | 合肥联宝信息技术有限公司 | A kind of distance sensing device and smart machine of smart machine |
| CN106211298A (en) * | 2016-06-23 | 2016-12-07 | 联想(北京)有限公司 | A kind of information processing method and mobile terminal |
| CN115149977A (en) * | 2022-06-30 | 2022-10-04 | 东莞华贝电子科技有限公司 | Electronic equipment |
| CN115149977B (en) * | 2022-06-30 | 2023-11-03 | 东莞华贝电子科技有限公司 | Electronic equipment |
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Effective date of registration: 20150924 Address after: 518000 areca road in Guangdong Province, Shenzhen Futian Free Trade Zone No. 6 Fuxing Building 4 floor Applicant after: Shenzhen Fuzhi Software Technology Co., Ltd. Address before: 518118 Guangdong city of Shenzhen province Pingshan North Zhu Lu Lan fuxingda Industrial Plant Factory No.1, No. two building a layer of a layer to three Applicant before: Foxda Technology Industrial (Shenzhen) Co., Ltd. |
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Application publication date: 20130501 |
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