CN106375598A - Reminder method and mobile terminal - Google Patents

Abstract

The invention provides a reminding method and a mobile terminal. A returned laser beam is received, wherein the laser beam is emitted by a laser emitting module using a mobile terminal. The difference between the optical power of the laser beam emitted by the laser emitting module and the optical power of the returned laser beam is acquired. The difference is compared with a preset threshold value. If the difference is less than the preset threshold value, a prompt message is output to a user, wherein the prompt message is used to remind the user to clean a laser focus window. According to the invention, the mobile terminal can determine whether the focus window is clean or not according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam; the user can be reminded to ensure the accuracy of the focusing of the mobile terminal; the user does not need to check the cleanliness of the focus window, which saves time and effort and is conducive to improving the user experience.

Description

Reminder method and mobile terminal

technical field

The invention relates to the communication field, in particular to a reminder method and a mobile terminal.

Background technique

With the development and progress of science and technology, communication technology has developed rapidly and made great progress. With the improvement of communication technology, the popularity of smart electronic products has reached an unprecedented height. More and more smart terminals or mobile terminals have become people's An integral part of life, such as smartphones, smart TVs, and computers.

With the popularization of mobile terminals, users have higher and higher requirements for the types of functions and performance of mobile terminals. For example, audio functions, camera functions, camera functions and storage functions have all become necessary functions of smart terminals or mobile terminals.

At present, using mobile phones to take pictures has become a trend, and using mobile phones to take pictures also has a variety of focusing methods. Today's mobile phone focusing methods are mainly divided into: contrast focusing, phase focusing and laser focusing. Among them, laser focusing has been more and more widely used because of its fast focusing speed, which can ensure the success rate of imaging, and has strong adaptability to weak light or pure color environment.

However, when using a laser to focus, if the window surface of the laser focus component is stained with water vapor or dust and other foreign matter, it will greatly affect the accuracy of the focus, but if the user checks the laser focus every time before taking a photo Whether the window of the component is clean or not will be very cumbersome, which is not conducive to user experience.

Contents of the invention

Embodiments of the present invention provide a reminder method and a mobile terminal to solve the problem that foreign matter in a focusing window of the mobile terminal affects the focusing accuracy of the mobile terminal.

In the first aspect, an embodiment of the present invention provides a reminder method, which is applied to a mobile terminal that uses laser focus to take pictures, including:

Receiving the returned laser beam, wherein the laser beam is emitted by using the laser emitting component of the mobile terminal;

Acquiring the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam;

comparing the difference with a preset threshold;

If the difference is smaller than the preset threshold, a prompt message is output to the user, wherein the prompt message is used to remind the user to clean the laser focus window.

In the second aspect, the embodiment of the present invention also provides a mobile terminal, the mobile terminal uses laser focus to take pictures, and the mobile terminal includes:

The receiving module is used to receive the returned laser beam, wherein the laser beam is emitted by the laser emitting component of the mobile terminal;

An acquisition module, configured to acquire the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam;

A comparison module, configured to compare the difference with a preset threshold;

An output module, configured to output a prompt message to the user if the difference is smaller than the preset threshold, wherein the prompt message is used to remind the user to clean the laser focus window.

The reminder method and the mobile terminal provided by the embodiments of the present invention receive the returned laser beam, wherein the laser beam is emitted by the laser emitting component of the mobile terminal; the optical power of the laser beam emitted by the laser emitting component and the returned The difference of the optical power of the laser beam; comparing the difference with a preset threshold; if the difference is less than the preset threshold, outputting a prompt message to the user, wherein the prompt message is used to remind the user Clean the laser focus window. In this way, the mobile terminal can judge whether the focus window is clean according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam, and can remind the user, which can ensure the accuracy of the focus of the mobile terminal, and There is no need for the user to check the cleanliness of the focus window by himself, which saves time and effort, and is conducive to improving user experience.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a flow chart of the reminder method provided by the first embodiment of the present invention;

Fig. 2 is a flow chart of the reminding method provided by the second embodiment of the present invention;

Fig. 3 is one of the structural diagrams of the mobile terminal provided by the third embodiment of the present invention;

FIG. 4 is the second structural diagram of the mobile terminal provided by the third embodiment of the present invention;

FIG. 5 is the third structural diagram of the mobile terminal provided by the third embodiment of the present invention;

FIG. 6 is the fourth structural diagram of the mobile terminal provided by the third embodiment of the present invention;

Fig. 7 is a structural diagram of the acquisition module shown in Fig. 3;

Fig. 8 is a structural diagram of a mobile terminal provided by a fourth embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

first embodiment

Referring to FIG. 1, FIG. 1 is a flow chart of a reminder method provided by an embodiment of the present invention. The method is applied to a mobile terminal that uses laser focus to take pictures. As shown in FIG. 1, the method includes the following steps:

Step 101. Receive a returned laser beam, wherein the laser beam is emitted by using a laser emitting component of a mobile terminal.

In this step, when the mobile terminal needs to perform the focusing function first to perform subsequent functions such as taking pictures, it can first detect whether the focusing window of the mobile terminal is clean. At this time, the mobile terminal can first use the laser emitting component to emit A laser beam, when the mobile terminal uses the laser emitting component to emit the laser beam, the mobile terminal receives the returned laser beam, and then can use an optical power detection circuit or component to detect the received returned laser beam of optical power.

Wherein, the laser emitting component of the mobile terminal may refer to the laser emitting component configured on the mobile terminal itself, such as a mobile terminal that uses laser to focus and take pictures, or it may be a laser emitting component docked with the mobile terminal. In this case, the mobile terminal needs to use an external laser emitting component for auxiliary shooting and the like.

Step 102: Obtain the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam.

In this step, after the mobile terminal receives the returned laser beam and detects the optical power of the returned laser beam, the mobile terminal acquires the The difference between the optical power of the laser beam emitted by the laser emitting component and the received optical power of the returned laser beam.

Wherein, the mobile terminal may first obtain the optical power of the laser beam emitted by the laser emitting component, and then calculate the two based on the detected optical power of the returned laser beam, and then use the corresponding algorithm to obtain the two the difference between the

Step 103, comparing the difference with a preset threshold.

Because there will be a certain loss in the transmission of the laser, especially when obstacles are encountered on the transmission path, so if the focus window is not clean, such as water vapor or dust, the laser beam will never pass through. Pass through the focus window to reach the object to be focused and then return. When the mobile terminal receives the returned laser beam, the overall loss of the laser beam will be greater than normal. Therefore, in this step, when the mobile terminal calculates or In other ways, after the difference between the optical power of the emitted laser beam and the optical power of the returned laser beam is obtained, the difference is compared with a preset threshold to see the loss of the emitted laser beam.

Step 104: If the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to clean the laser focus window.

In this step, when the mobile terminal obtains through comparison that the difference is greater than the preset threshold, it means that the emitted laser beam may be caused by the presence of water vapor or dust on the focusing window during transmission. The loss is relatively large. At this time, the mobile terminal may output a prompt message to the user to remind the user. The prompt message may be information for reminding the user to clean the laser focus window.

In the embodiment of the present invention, the above-mentioned mobile terminal can be any mobile terminal that uses a laser to focus and has a laser transceiver component, such as a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (LaptopComputer), a personal digital assistant (personal digital assistant) digital assistant (PDA for short), mobile internet device (Mobile Internet Device, MID) or wearable device (Wearable Device), etc.

In the reminder method provided by the embodiment of the present invention, the returned laser beam is received, wherein the laser beam is emitted by the laser emitting component of the mobile terminal; the optical power of the laser beam emitted by the laser emitting component and the power of the returned laser beam are acquired difference in optical power; comparing the difference with a preset threshold; if the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to focus on the laser The window is cleaned. In this way, the mobile terminal can judge whether the focus window is clean according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam, and can remind the user, which can ensure the accuracy of the focus of the mobile terminal, and There is no need for the user to check the cleanliness of the focus window by himself, which saves time and effort, and is conducive to improving user experience.

second embodiment

Referring to FIG. 2, FIG. 2 is a flowchart of a reminder method provided by an embodiment of the present invention. The method is applied to a mobile terminal that uses laser focus to take pictures. As shown in FIG. 2, the method includes the following steps:

Step 201. Receive a returned laser beam, wherein the laser beam is emitted by using a laser emitting component of a mobile terminal.

In this step, when the mobile terminal needs to perform the focusing function first to perform subsequent functions such as taking pictures, it can first detect whether the focusing window of the mobile terminal is clean. At this time, the mobile terminal can first use the laser emitting component to emit A laser beam, when the mobile terminal uses the laser emitting component to emit the laser beam, the mobile terminal receives the returned laser beam, and then can use an optical power detection circuit or component to detect the received returned laser beam of optical power.

Wherein, the laser emitting component of the mobile terminal may refer to the laser emitting component configured on the mobile terminal itself, such as a mobile terminal that uses laser to focus and take pictures, or it may be a laser emitting component docked with the mobile terminal. In this case, the mobile terminal needs to use an external laser emitting component for auxiliary shooting and the like.

Step 202: Obtain the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam.

In this step, after the mobile terminal receives the returned laser beam and detects the optical power of the returned laser beam, the mobile terminal acquires the The difference between the optical power of the laser beam emitted by the laser emitting component and the received optical power of the returned laser beam.

Wherein, the mobile terminal may first obtain the optical power of the laser beam emitted by the laser emitting component, and then calculate the two based on the detected optical power of the returned laser beam, and then use the corresponding algorithm to obtain the two the difference between the

Step 203, comparing the difference with a preset threshold.

Because there will be a certain loss in the transmission of the laser, especially when obstacles are encountered on the transmission path, so if the focus window is not clean, such as water vapor or dust, the laser beam will never pass through. Pass through the focus window to reach the object to be focused and then return. When the mobile terminal receives the returned laser beam, the overall loss of the laser beam will be greater than normal. Therefore, in this step, when the mobile terminal calculates or In other ways, after the difference between the optical power of the emitted laser beam and the optical power of the returned laser beam is obtained, the difference is compared with a preset threshold to see the loss of the emitted laser beam.

Step 204: If the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to clean the laser focus window.

In this step, when the mobile terminal obtains through comparison that the difference is greater than the preset threshold, then the mobile terminal may consider that the emitted laser beam is in the middle of transmission, which may be caused by water vapor or dust on the focusing window. The existence of etc. leads to a relatively large loss. At this time, the mobile terminal can output a prompt message to the user to remind the user. The prompt message can be information for reminding the user to clean the laser focus window.

Step 205, if the difference is less than or equal to the preset threshold, confirm that the laser focus window of the mobile terminal does not need to be cleaned.

In this step, when the mobile terminal obtains by comparison that the difference is less than or equal to the preset threshold, then the mobile terminal can consider that the emitted laser beam is in the middle of transmission, although there is a certain loss, However, the loss is within a reasonable loss range, so the laser beam is relatively normal during transmission. This is, the mobile terminal can confirm that the laser focus window of the mobile terminal is clean and does not affect the transmission of the laser beam, so the laser beam The focus window does not require cleaning.

Step 206, controlling the camera of the mobile terminal to take pictures.

In this step, when the mobile terminal confirms that the laser focusing window of the mobile terminal does not need to be cleaned, the mobile terminal can determine that everything is normal, and the mobile terminal can control the mobile terminal after laser focusing. camera to take pictures.

Optionally, step 202 includes:

Acquiring the emission optical power of the laser emitting component of the mobile terminal when emitting the laser beam; obtaining the received optical power of the returned laser beam; based on the emission optical power and the received optical power, calculating the difference.

In this step, the mobile terminal extracts the data of the laser emitting component of the mobile terminal, obtains the emission optical power of the laser emitting component when emitting the laser beam, and then obtains the The received optical power of the returned laser beam, after extracting the transmitted optical power and received optical power respectively, based on the transmitted optical power and the received optical power, the mobile terminal can use an algorithm to calculate the transmitted optical power and the received optical power Calculate the received optical power to obtain the difference.

Optionally, after step 203 and before step 204, the method includes:

If the difference is greater than the preset threshold, start a timer for a preset time; when the preset time is up, control the camera of the mobile terminal to refocus the laser; execute the acquisition of the a step of the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam.

In this step, when the mobile terminal obtains through comparison that the difference is greater than the preset threshold, then the mobile terminal may consider that the emitted laser beam is in the middle of transmission, which may be caused by water vapor or dust on the focusing window. The existence of etc. leads to a relatively large loss, but in order to avoid errors caused by word detection, the mobile terminal can control the time counting device in the movement, and start a timer with a preset time length to perform a period of buffering And adjustment, when the time of the preset time duration timer set by the mobile terminal is up, the mobile terminal can control the camera of the mobile terminal to re-focus the laser for re-entry detection, and then The step of acquiring the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam is performed.

Optionally, after performing the step of obtaining the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam, the method includes:

If the mobile terminal is controlled to perform laser focusing again, and the difference is still greater than the preset threshold, then it is determined that the laser focus window of the mobile terminal needs to be cleaned; perform the outputting a prompt message to the user, wherein, The prompt message is used to remind the user to clean the laser focus window.

In this step, when the mobile terminal controls the camera of the mobile terminal to refocus the laser, and through steps such as detection, the difference is still greater than the preset threshold, then, after more than one detection Finally, the mobile terminal can determine that the focus window of the mobile terminal may not be clean, and there are things that affect the transmission of the laser beam, such as obstacles such as water vapor or dust, that is, the mobile terminal can determine that the mobile terminal The laser focus window needs to be cleaned, and the mobile terminal needs to remind the user, therefore, the mobile terminal is controlled to output a prompt message to the user, wherein the prompt message is used to remind the user to focus on the laser Steps to clean the window.

In the reminder method provided by the embodiment of the present invention, the returned laser beam is received, wherein the laser beam is emitted by the laser emitting component of the mobile terminal; the optical power of the laser beam emitted by the laser emitting component and the power of the returned laser beam are acquired difference in optical power; comparing the difference with a preset threshold; if the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to focus on the laser The window is cleaned; if the difference is less than or equal to the preset threshold, it is confirmed that the laser focus window of the mobile terminal does not need to be cleaned; the camera of the mobile terminal is controlled to take pictures. In this way, the mobile terminal can judge whether the focus window is clean according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam, and can remind the user, which can ensure the accuracy of the focus of the mobile terminal, and There is no need for the user to check the cleanliness of the focus window by himself, which saves time and effort, and is conducive to improving user experience.

third embodiment

Referring to FIG. 3 to FIG. 7, FIG. 3 is one of the structural diagrams of the mobile terminal provided by the third embodiment of the present invention, FIG. 4 is the second structural diagram of the mobile terminal provided by the third embodiment of the present invention, and FIG. 5 is the The third structural diagram of the mobile terminal provided by the third embodiment of the invention, FIG. 6 is the fourth structural diagram of the mobile terminal provided by the third embodiment of the present invention, and FIG. 7 is the structural diagram of the acquisition module shown in FIG. 3 . The mobile terminal uses laser focusing to take pictures, as shown in Figures 3 to 7, the mobile terminal 300 includes:

The receiving module 310 is used to receive the returned laser beam, wherein the laser beam is emitted by using the laser emitting component of the mobile terminal;

An acquisition module 320, configured to acquire the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam;

A comparison module 330, configured to compare the difference with a preset threshold;

The output module 340 is configured to output a prompt message to the user if the difference is greater than the preset threshold, wherein the prompt message is used to remind the user to clean the laser focus window.

Optionally, the obtaining module 320 includes:

The first acquiring unit 321 is configured to extract the emitted light power of the laser emitting component of the mobile terminal 300 when emitting a laser beam;

The second acquisition unit 322 is configured to extract the received optical power of the returned laser beam received;

The calculation unit 323 is configured to calculate the difference based on the transmitted optical power and the received optical power.

Optionally, the mobile terminal 300 includes:

A confirmation module 350, configured to confirm that the laser focus window of the mobile terminal does not need to be cleaned if the difference is less than or equal to the preset threshold;

The first control module 360 is configured to control the camera of the mobile terminal 300 to take pictures.

Optionally, the mobile terminal 300 includes:

A starting module 301, configured to start a timer with a preset time duration if the difference is greater than the preset threshold;

The second control module 302 is configured to control the camera of the mobile terminal to refocus the laser when the preset time is up;

The first executing module 303 executes the step of acquiring the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam.

Optionally, the mobile terminal 300 includes:

A determination module 304, configured to determine that the laser focus window of the mobile terminal needs to be cleared if the camera of the mobile terminal is controlled to perform laser focus again, and the difference is still greater than the preset threshold;

The second execution module 305 is configured to execute the step of outputting a prompt message to the user, wherein the prompt message is used to remind the user to clean the laser focus window.

The mobile terminal 300 can implement various processes implemented by the mobile terminal in the method embodiments in FIG. 1 to FIG. 2 , and details are not repeated here to avoid repetition.

The mobile terminal according to the embodiment of the present invention receives the returned laser beam, wherein the laser beam is emitted by using the laser emitting component of the mobile terminal; the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam are acquired Power difference; comparing the difference with a preset threshold; if the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to focus on the laser focus window Clean up. In this way, the mobile terminal can judge whether the focus window is clean according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam, and can remind the user, which can ensure the accuracy of the focus of the mobile terminal, and There is no need for the user to check the cleanliness of the focus window by himself, which saves time and effort, and is conducive to improving user experience.

Fourth embodiment

Referring to FIG. 8, FIG. 8 is a structural diagram of a mobile terminal provided by a fourth embodiment of the present invention. As shown in FIG. 8, a mobile terminal 800 includes: at least one processor 801, a memory 802, at least one network interface 804 and a user interface 803. Various components in the mobile terminal 800 are coupled together through a bus system 805 . It can be understood that the bus system 805 is used to realize connection and communication between these components. In addition to the data bus, the bus system 805 also includes a power bus, a control bus and a status signal bus. The mobile terminal also includes a laser transceiver component 806, which is connected to each component through the bus system 805, and the laser transceiver component 806 includes a laser emitting component and a laser receiving component. However, the various buses are labeled as bus system 805 in FIG. 8 for clarity of illustration.

Wherein, the user interface 803 may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, and the like.

It can be understood that the memory 802 in the embodiment of the present invention may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash. The volatile memory can be Random Access Memory (RAM), which acts as an external cache. By way of illustration and not limitation, many forms of RAM are available such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data RateSDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) and Direct memory bus random access memory (DirectRambus RAM, DRRAM). Memory 802 of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

In some implementations, the memory 802 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: an operating system 8021 and an application program 8022 .

Among them, the operating system 8021 includes various system programs, such as framework layer, core library layer, driver layer, etc., for realizing various basic services and processing hardware-based tasks. The application program 8022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., and is used to implement various application services. The program for realizing the method of the embodiment of the present invention may be included in the application program 8022 .

In this embodiment of the present invention, by calling the program or instruction stored in the memory 802, specifically, the program or instruction stored in the application program 8022, the processor 801 is used to:

Receiving the returned laser beam, wherein the laser beam is emitted by the laser emitting component of the mobile terminal; obtaining the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam; The difference is compared with a preset threshold; if the difference is smaller than the preset threshold, a prompt message is output to the user, wherein the prompt message is used to remind the user to clean the laser focus window.

The methods disclosed in the foregoing embodiments of the present invention may be applied to the processor 801 or implemented by the processor 801 . The processor 801 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 801 or instructions in the form of software. The above-mentioned processor 801 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps and logic block diagrams disclosed in the embodiments of the present invention may be implemented or executed. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like. The steps of the methods disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register. The storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802, and completes the steps of the above method in combination with its hardware.

It should be understood that the embodiments described herein may be implemented by hardware, software, firmware, middleware, microcode or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD), programmable logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, other electronic units for performing the functions described in this application or a combination thereof.

For a software implementation, the techniques described herein can be implemented through modules (eg, procedures, functions, and so on) that perform the functions described herein. Software codes can be stored in memory and executed by a processor. Memory can be implemented within the processor or external to the processor.

Optionally, the processor 801 is also used for:

Acquiring the emission optical power of the laser emitting component of the mobile terminal when emitting the laser beam; obtaining the received optical power of the returned laser beam; based on the emission optical power and the received optical power, calculating the difference.

Optionally, the processor 801 is also used for:

If the difference is less than or equal to the preset threshold, it is confirmed that the laser focus window of the mobile terminal does not need to be cleaned; and the camera of the mobile terminal is controlled to take pictures.

Optionally, the processor 801 is also used for:

If the difference is greater than the preset threshold, start a timer for a preset time; when the preset time is up, control the camera of the mobile terminal to refocus the laser; execute the acquisition of the a step of the difference between the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam.

Optionally, the processor 801 is also used for:

If the camera of the mobile terminal is controlled to re-focus the laser, and the difference is still greater than the preset threshold, then it is determined that the laser focus window of the mobile terminal needs to be cleaned; performing the outputting a prompt message to the user, Wherein, the prompt message is used to remind the user to clean the laser focus window.

The mobile terminal 800 can implement various processes implemented by the mobile terminal in the foregoing embodiments, and details are not repeated here to avoid repetition.

The mobile terminal of the embodiment of the present invention receives the returned laser beam, wherein the laser beam is emitted by the laser emitting component of the mobile terminal; the optical power of the laser beam emitted by the laser emitting component and the optical power of the returned laser beam are acquired Power difference; compare the difference with a preset threshold; if the difference is greater than the preset threshold, output a prompt message to the user, wherein the prompt message is used to remind the user to focus on the laser focus window Clean up. In this way, the mobile terminal can judge whether the focusing window is clean according to the difference between the optical power of the emitted laser beam and the optical power of the received laser beam, and can remind the user, which can ensure the accuracy of the focusing of the mobile terminal, and There is no need for the user to check the cleanliness of the focus window by himself, which saves time and effort, and is conducive to improving user experience.

Those skilled in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

If the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: various media capable of storing program codes such as U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. a kind of based reminding method, is applied to the mobile terminal taken pictures using laser focusing it is characterised in that including:

Receive the laser beam returning, wherein, laser beam is the Laser emission assembly transmitting using mobile terminal；

Obtain the luminous power of laser beam of described Laser emission assembly transmitting and the difference of the luminous power of laser beam of described return；

Described difference and predetermined threshold value are compared；

If described difference is more than described predetermined threshold value, a prompting message is exported to user, wherein, described prompting message is used for reminding User is cleaned to laser focusing window.

2. the method for claim 1 it is characterised in that described acquisition described mobile terminal transmitting laser beam light work( The step of the difference of the luminous power of laser beam of rate and described return, comprising:

Obtain the Laser emission assembly of the described mobile terminal transmitting luminous power when launching laser beam；

Obtain the received optical power of the laser beam of described return receiving；

Based on described transmitting luminous power and described received optical power, calculate described difference.

3. the method for claim 1 is it is characterised in that in the described step being compared described difference and predetermined threshold value After rapid, methods described also includes:

If described difference be less than or equal to described predetermined threshold value, confirm described mobile terminal laser focusing window do not need into Row cleaning；

The photographic head controlling described mobile terminal is taken pictures.

4. the method for claim 1 is it is characterised in that in the described step being compared described difference and predetermined threshold value After rapid, and if described difference be more than described predetermined threshold value, before the step of a prompting message is exported to user, described Method includes:

If described difference is more than described predetermined threshold value, open the intervalometer of a Preset Time duration；

When described Preset Time duration then, control described mobile terminal photographic head re-start laser focusing；

The described luminous power of laser beam obtaining described Laser emission assembly transmitting of execution and the light work(of the laser beam of described return The step of the difference of rate.

5. method as claimed in claim 4 is it is characterised in that launch in the described Laser emission assembly of the described acquisition of described execution The step of the difference of the luminous power of laser beam of the luminous power of laser beam and described return after, methods described includes:

If the shooting controlling described mobile terminal re-starts laser focusing, and described difference is still more than described default threshold Value is it is determined that the laser focusing window needs of described mobile terminal are cleaned；

Execution is described to export a prompting message to user, and wherein, described prompting message is used for reminding user to laser focusing window The step being cleaned.

6. a kind of mobile terminal it is characterised in that described mobile terminal using laser focusing taken pictures, described mobile terminal bag Include:

Receiver module, for receiving the laser beam returning, wherein, laser beam is to be sent out using the Laser emission assembly of mobile terminal Penetrate；

Acquisition module, for obtaining the luminous power of the laser beam that described Laser emission assembly is launched and the laser beam of described return The difference of luminous power；

Comparison module, for being compared described difference and predetermined threshold value；

Output module, if being more than described predetermined threshold value for described difference, exporting a prompting message to user, wherein, described carrying Show that message is used for reminding user that laser focusing window is cleaned.

7. mobile terminal as claimed in claim 6 is it is characterised in that described acquisition module includes:

First acquisition unit, for extracting the Laser emission assembly of the described mobile terminal launching light work(when launching laser beam Rate；

Second acquisition unit, for extracting the received optical power of the laser beam of the described return receiving；

Computing unit, for based on described transmitting luminous power and described received optical power, obtaining described difference.

8. mobile terminal as claimed in claim 6 is it is characterised in that described mobile terminal includes:

Confirming module, if being less than or equal to described predetermined threshold value for described difference, confirming the laser pair of described mobile terminal Burnt window does not need to be cleaned；

First control module, the photographic head for controlling described mobile terminal is taken pictures.

9. mobile terminal as claimed in claim 6 is it is characterised in that described mobile terminal includes:

Starting module, if being more than described predetermined threshold value for described difference, opens the intervalometer of a Preset Time duration；

Second control module, for when described Preset Time duration then, control described mobile terminal photographic head re-start Laser is focused；

First performing module, the described luminous power of laser beam obtaining described Laser emission assembly transmitting of execution and described return The step of the difference of the luminous power of laser beam.

10. mobile terminal as claimed in claim 9 is it is characterised in that described mobile terminal includes:

Determining module, if for controlling the shooting of described mobile terminal to re-start laser focusing, and described difference is still big In described predetermined threshold value it is determined that the laser focusing window needs of described mobile terminal are cleaned；

Second performing module, for execute described to user export a prompting message, wherein, described prompting message be used for remind use The step that family is cleaned to laser focusing window.