CN107395852B - Method and device for preventing automatic screen locking of smart phone - Google Patents
Method and device for preventing automatic screen locking of smart phone Download PDFInfo
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- CN107395852B CN107395852B CN201611265066.9A CN201611265066A CN107395852B CN 107395852 B CN107395852 B CN 107395852B CN 201611265066 A CN201611265066 A CN 201611265066A CN 107395852 B CN107395852 B CN 107395852B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72463—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions to restrict the functionality of the device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/667—Preventing unauthorised calls from a telephone set
- H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Environmental & Geological Engineering (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application provides a method and a device for preventing a smart phone from automatically locking a screen. The method comprises the following steps: supplying power, starting a processor, and immediately entering a periodic low-power-consumption dormant state by the processor; when the line control earphone connector is connected into the smart phone, the earphone line communication protocol standard supported by the smart phone is identified according to the signal change of the smart phone on the contact; changing the internal circuit connection according to the standard, and enabling the line control earphone to be correctly connected with an earphone microphone interface of the smart phone, so that the smart phone correctly identifies the device as the line control earphone; when the line control earphone is correctly connected with the smart phone, sending out a microphone excitation signal, and resetting the screen locking time; the processor enters the low power consumption dormant state again and waits for the next awakening. By adopting the method, the intelligent mobile phone is awakened by the analog line control earphone at regular time, the data of the intelligent equipment cannot be damaged, extra manpower is not consumed, and most of intelligent mobile phones are effectively prevented from being automatically locked.
Description
Technical Field
The application relates to the technical field of smart phones, in particular to a method and a device for preventing a smart phone from automatically locking a screen.
Background
With the increasing maturity of smart phone technology, more and more data are stored on the smart phone for users to extract and utilize. In the data extraction process, due to the large data volume of many smart phones, the Central Processing Unit (CPU) may be down-converted or dormant due to the power saving mechanism of the system, namely, automatic screen locking, for long-time data extraction, which seriously affects the data extraction speed. In order to prevent the mobile phone from locking the screen, the system setting is often required to be modified, and the integrity of the mobile phone data is damaged after the modification, so that the credibility of a data extraction result is influenced; in addition, the setting modification requires manual operation and is relatively complex.
In the prior art, an installation application can be used for preventing the mobile phone from locking the screen, but the installed application may erase part of deleted important data which is not overwritten yet, which seriously damages the integrity of the data, and is difficult to implement for devices with less System open authority such as an apple operating System (IOS).
And an external excitation method is adopted, and the method needs to manually touch the screen or the keys of the mobile phone continuously to prevent screen locking and waste of manpower.
Disclosure of Invention
The application provides a method and a device for preventing automatic screen locking of a smart phone, which are used for solving the problem that the automatic screen locking of the smart phone in the prior art can damage data of smart equipment or waste manpower.
The application discloses a method for preventing a smart phone from automatically locking a screen, which comprises the following steps:
supplying power, starting a processor, and immediately entering a periodic low-power-consumption dormant state by the processor;
when the line control earphone connector is connected into the smart phone, the earphone line communication protocol standard supported by the smart phone is identified according to the signal change of the smart phone on the contact;
changing the internal circuit connection according to the standard, and enabling the line control earphone to be correctly connected with an earphone microphone interface of the smart phone, so that the smart phone correctly identifies the device as the line control earphone;
when the line control earphone is correctly connected with the smart phone, sending out a microphone excitation signal, and resetting the screen locking time;
the processor enters the low power consumption dormant state again and waits for the next awakening.
Preferably, before the step of changing the internal circuit connection according to the standard to correctly connect the line control earphone with the earphone microphone interface of the smart phone, so as to correctly identify the device as the line control earphone, the method further includes:
carrying out load detection on the connected line control earphone:
when the effective load is not detected, the drive-by-wire path is cut off;
when a payload is detected, the drive-by-wire path is woken up.
Preferably, the processor sends out a microphone excitation signal when the line control earphone has been correctly connected to the smartphone, and resets the screen locking time, specifically including:
when the processor is awakened, the processor judges whether the line control earphone is correctly connected with the smart phone;
when the line control earphone is correctly connected with the smart phone, a processor sends out a microphone excitation signal;
the excitation signal triggers a microphone in the background of the smart phone to act and interrupt, so that a screen-off counter in the smart phone system is updated, and the screen locking time is reset;
when the drive-by-wire earphone is not correctly connected with the smart phone, the earphone connector is pulled down, and the smart phone is accessed again.
The application discloses a prevent device of automatic lock screen of smart mobile phone includes:
the power supply module is used for supplying power, starting the processor and immediately enabling the processor to enter a periodic low-power-consumption dormant state;
the mode switching module is used for identifying the earphone wire communication protocol standard supported by the intelligent mobile phone according to the signal change of the intelligent mobile phone on the contact when the line control earphone connector is connected into the intelligent mobile phone;
the equipment identification module is used for changing the internal circuit connection according to the standard so that the line control earphone is correctly connected with an earphone microphone interface of the smart phone, and therefore the smart phone correctly identifies the equipment as the line control earphone;
the drive-by-wire earphone is used for sending out a microphone drive signal and resetting the screen locking time when the drive-by-wire earphone is correctly connected with the smart phone;
and the waiting module is used for enabling the processor to enter the low-power-consumption dormant state again and waiting for waking up next time.
Preferably, the device further comprises an analog load module, configured to perform load detection on the connected line-control headset;
the analog load module includes:
a cut-off unit for cutting off the line control path when the payload is not detected;
and the wake-up unit is used for waking up the drive-by-wire channel when the effective load is detected.
Preferably, the excitation module specifically includes:
the judging unit is used for judging whether the line control earphone is correctly connected with the smart phone or not by the processor when the processor is awakened;
the reset unit is used for sending out a microphone excitation signal by the processor when the line control earphone is correctly connected with the smart phone;
the excitation signal triggers a microphone in the background of the smart phone to act and interrupt, so that a screen-off counter in the smart phone system is updated, and the screen locking time is reset;
and the re-access unit is used for pulling out the earphone connector and re-accessing the smart phone when the line control earphone is not correctly connected with the smart phone.
Compared with the prior art, the method has the following advantages:
according to the method, the intelligent mobile phone is awakened by adopting the analog line control earphone at regular time, so that data of the intelligent equipment cannot be damaged; in addition, due to the fact that the processor is used for automatic excitation, the average working current of the mobile phone is reduced to the level of muA due to the ultra-low power consumption design, and the mobile phone can work for a long time. By adopting the technical scheme, the automatic screen locking of most of smart phones can be effectively prevented under the conditions of not damaging the data of the smart devices, not changing the settings of the smart devices and not consuming extra manpower, and the efficiency of extracting electronic data of the smart devices is greatly improved.
Drawings
The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of two four-wire earphone plug standards;
fig. 2 is a flowchart of a method for preventing a smart phone from automatically locking a screen according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a method for preventing a smart phone from automatically locking a screen according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of a device for preventing an automatic screen locking of a smart phone according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise. The terms "comprising," including, "and the like are to be construed as open-ended terms, i.e.," including/including but not limited to. The term "based on" is "based, at least in part, on". The term "an embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment". Relevant definitions for other terms will be given in the following description.
With the development of smart phones, most smart phones and electronic products of flat lamps use 3.5mm earphone holes and support the earphone line control function. The wire control earphone is mainly characterized in that the states of a Microphone (MIC) pin (also called a Microphone pin) and a Ground wire/zero line (GND) pin of a four-wire earphone plug are changed, so that volume is increased or decreased and volume is answered. At present, four-wire earphone plugs mainly have two standards, namely an Open Mobile terminal platform Organization (OMTP) standard (also called an international standard) and a Cellular Telecommunications Industry Association (CTIA) standard (also called an american standard), and specific differences mainly exist in positions of a MIC pin and a GND pin, and refer to fig. 1.
The screen locking of the smart phone is automatically prevented by adopting a mode of simulating a line control earphone.
Referring to fig. 2, a flowchart of a method for preventing a smart phone from automatically locking a screen in an embodiment of the present application is shown. The preferred method embodiment comprises the steps of:
step S201: and supplying power, starting the processor, and immediately entering a periodic low-power-consumption dormant state.
With the wide voltage supply characteristics of Integrated Circuits (ICs), a variety of ways can be used to power a device.
When a limited power supply such as a battery is used, the output voltage is reduced along with the reduction of the electric quantity, so that the power supply of the IC is needed, and the smart phone still keeps working at the lowest point of the voltage.
Step S202: and when the line control earphone connector is connected into the smart phone, identifying the earphone line communication protocol standard supported by the smart phone according to the signal change of the smart phone on the contact.
When the wire control earphone connector is connected into the smart phone, the positions of an MIC pin and a GND pin are identified according to the signal change of the smart phone on a contact, so that whether the earphone wire communication protocol standard supported by the smart phone is an OMTP standard or a CTIA standard is identified.
Step S203: and changing the connection of an internal circuit according to the standard, so that the line control earphone is correctly connected with an earphone microphone interface of the smart phone, and the smart phone correctly identifies the device as the line control earphone.
Step S204: when the drive-by-wire earphone has correctly connected the smart mobile phone, send MIC excitation signal, reset lock screen time, during specific implementation, include:
when the processor is awakened, the processor judges whether the line control earphone is correctly connected with the smart phone:
when the line control earphone is correctly connected with the smart phone, the processor sends an MIC excitation signal, and the excitation signal triggers the MIC action interruption of the smart phone background, so that a screen-off counter in the smart phone system is updated, the screen locking time is reset, and the purpose of automatically preventing the screen locking of the smart phone is achieved;
and when the drive-by-wire earphone is not correctly connected with the smart phone, pulling off the earphone connector, re-accessing the smart phone, and returning to the step S202.
The processor is a low-power-consumption micro processor which is used as a signal generating source to periodically simulate an MIC excitation signal to prevent the smart phone from automatically locking the screen. Processors are typically required to have extremely small size, extremely low power consumption, and wide voltage inputs.
Step S205: the processor enters the low power consumption dormant state again and waits for the next awakening.
Referring to fig. 3, a flowchart of a method for preventing a smart phone from automatically locking a screen according to another embodiment of the present application is shown.
In this embodiment, steps S301 to S302 are the same as steps S201 to S202 of the above embodiment, and steps S304 to S306 are the same as steps S203 to S205 of the above embodiment, and are not repeated.
The difference is that, optionally, before step S304, step S303 is further included: carrying out load detection on the connected line control earphone:
when the effective load is not detected, the drive-by-wire path is cut off;
when a payload is detected, the drive-by-wire path is woken up.
Because some smart devices such as smart phones can perform load detection on the accessed line control device in consideration of power saving and safety, and the line control access is cut off when the effective load cannot be detected. Therefore, load detection can be carried out on the connected line control earphone, an effective load is simulated, and a line control path is awakened.
For simplicity of description, the foregoing method embodiments are described as a series of acts or combination of acts, but those skilled in the art will appreciate that the present application is not limited by the order of acts described, as some steps may, in accordance with the present application, occur in other orders and concurrently; further, those skilled in the art should also appreciate that the above-described method embodiments are preferred embodiments and that the acts and modules involved are not necessarily required for the application.
Referring to fig. 4, a schematic structural diagram of a device for preventing a smart phone from automatically locking a screen according to an embodiment of the present application is shown, where the device includes:
the power supply module 41 is used for supplying power, starting the processor and immediately enabling the processor to enter a periodic low-power-consumption dormant state;
the mode switching module 42 is configured to identify, when the line-control earphone connector is connected to the smart phone, an earphone line communication protocol standard supported by the smart phone according to a signal change of the smart phone on a contact;
the device identification module 43 is configured to change internal circuit connection according to the standard, so that the line control earphone is correctly connected to an earphone microphone interface of the smart phone, and the smart phone correctly identifies the device as the line control earphone;
the excitation module 44 is configured to send out a microphone excitation signal when the line control earphone is correctly connected to the smart phone, and reset the screen locking time;
the excitation module 44 includes:
the judging unit is used for judging whether the line control earphone is correctly connected with the smart phone or not by the processor when the processor is awakened;
the reset unit is used for sending out a microphone excitation signal when the line control earphone is correctly connected with the smart phone;
the excitation signal triggers a microphone in the background of the smart phone to act and interrupt, so that a screen-off counter in the smart phone system is updated, and the screen locking time is reset;
and the re-access unit is used for pulling out the earphone connector and re-accessing the smart phone when the line control earphone is not correctly connected with the smart phone.
And a waiting module 45, configured to enable the processor to enter the low power consumption sleep state again to wait for a next wake-up.
Preferably, the apparatus may further include an analog load module for performing load detection on the connected line-control earphone:
when the effective load is not detected, the drive-by-wire path is cut off;
when a payload is detected, the drive-by-wire path is woken up.
It should be noted that the above device embodiments belong to preferred embodiments, and the units and modules involved are not necessarily essential to the present application.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the device embodiments of the present application, since they are substantially similar to the method embodiments, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiments.
The method and the device for preventing the automatic screen locking of the smart phone are introduced in detail, specific examples are applied in the method to explain the principle and the implementation mode of the method, and the description of the embodiments is only used for helping to understand the method and the core idea of the method; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. A method for preventing a smart phone from automatically locking a screen is characterized by comprising the following steps:
supplying power, starting a processor, and immediately entering a periodic low-power-consumption dormant state by the processor;
when the line control earphone connector is connected into the smart phone, the earphone line communication protocol standard supported by the smart phone is identified according to the signal change of the smart phone on the contact;
changing the internal circuit connection according to the standard, and enabling the line control earphone to be correctly connected with an earphone microphone interface of the smart phone, so that the smart phone correctly identifies the device as the line control earphone;
when the line control earphone is correctly connected with the smart phone, a microphone excitation signal is periodically sent out, and the screen locking time is reset;
the processor enters the low power consumption dormant state again and waits for the next awakening.
2. The method of claim 1, further comprising, prior to the step of modifying the internal circuit connection according to the standard such that the headset by wire is properly connected to the headset microphone interface of the smartphone such that the smartphone properly identifies the device as a headset by wire, the step of:
carrying out load detection on the connected line control earphone:
when the effective load is not detected, the drive-by-wire path is cut off;
when a payload is detected, the drive-by-wire path is woken up.
3. The method according to claim 1, wherein the processor sends out a microphone excitation signal to reset the screen lock time when the line-control headset has been properly connected to the smartphone, specifically comprising:
when the processor is awakened, the processor judges whether the line control earphone is correctly connected with the smart phone;
when the line control earphone is correctly connected with the smart phone, a processor sends out a microphone excitation signal;
the excitation signal triggers a microphone in the background of the smart phone to act and interrupt, so that a screen-off counter in the smart phone system is updated, and the screen locking time is reset;
when the drive-by-wire earphone is not correctly connected with the smart phone, the earphone connector is pulled down, and the smart phone is accessed again.
4. The utility model provides a prevent automatic device of locking screen of smart mobile phone which characterized in that, the device includes:
the power supply module is used for supplying power, starting the processor and immediately enabling the processor to enter a periodic low-power-consumption dormant state;
the mode switching module is used for identifying the earphone wire communication protocol standard supported by the intelligent mobile phone according to the signal change of the intelligent mobile phone on the contact when the wire control earphone connector is connected into the intelligent mobile phone;
the equipment identification module is used for changing the internal circuit connection according to the standard so that the line control earphone is correctly connected with an earphone microphone interface of the smart phone, and therefore the smart phone correctly identifies the equipment as the line control earphone;
the drive-by-wire earphone is used for periodically sending out a microphone drive signal and resetting screen locking time when the drive-by-wire earphone is correctly connected with the smart phone;
and the waiting module is used for enabling the processor to enter the low-power-consumption dormant state again and waiting for waking up next time.
5. The apparatus of claim 4, further comprising an analog load module for performing load detection on the connected line-control earphone;
the analog load module includes:
a cut-off unit for cutting off the line control path when the payload is not detected;
and the wake-up unit is used for waking up the drive-by-wire channel when the effective load is detected.
6. The device according to claim 4, wherein the excitation module comprises:
the judging unit is used for judging whether the line control earphone is correctly connected with the smart phone or not by the processor when the processor is awakened;
the reset unit is used for sending out a microphone excitation signal by the processor when the line control earphone is correctly connected with the smart phone;
the excitation signal triggers a microphone in the background of the smart phone to act and interrupt, so that a screen-off counter in the smart phone system is updated, and the screen locking time is reset;
and the re-access unit is used for pulling out the earphone connector and re-accessing the smart phone when the line control earphone is not correctly connected with the smart phone.
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| CN201611265066.9A CN107395852B (en) | 2016-12-30 | 2016-12-30 | Method and device for preventing automatic screen locking of smart phone |
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| CN201611265066.9A CN107395852B (en) | 2016-12-30 | 2016-12-30 | Method and device for preventing automatic screen locking of smart phone |
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| CN107395852B true CN107395852B (en) | 2020-04-14 |
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| CN101895633A (en) * | 2010-07-14 | 2010-11-24 | 中兴通讯股份有限公司 | Mobile terminal and unlocking method thereof |
| CN103164117A (en) * | 2011-12-09 | 2013-06-19 | 富泰华工业（深圳）有限公司 | External operating device, electronic device and delayed screen locking method thereof |
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| CN102769689B (en) * | 2012-07-04 | 2015-03-18 | 广东欧珀移动通信有限公司 | Touch screen control method when earphone is used for answering calls |
| CN103685708A (en) * | 2012-09-24 | 2014-03-26 | 联想移动通信科技有限公司 | Terminal device and control method thereof |
| US20160050209A1 (en) * | 2014-08-18 | 2016-02-18 | Ebay Inc. | Access control based on authentication |
| CN104967740A (en) * | 2015-06-17 | 2015-10-07 | 上海斐讯数据通信技术有限公司 | Terminal unlocking method and terminal device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895633A (en) * | 2010-07-14 | 2010-11-24 | 中兴通讯股份有限公司 | Mobile terminal and unlocking method thereof |
| CN103164117A (en) * | 2011-12-09 | 2013-06-19 | 富泰华工业（深圳）有限公司 | External operating device, electronic device and delayed screen locking method thereof |
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