CN107995395B - Mobile terminal and image acquisition method for same - Google Patents
Mobile terminal and image acquisition method for same Download PDFInfo
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- CN107995395B CN107995395B CN201711336091.6A CN201711336091A CN107995395B CN 107995395 B CN107995395 B CN 107995395B CN 201711336091 A CN201711336091 A CN 201711336091A CN 107995395 B CN107995395 B CN 107995395B
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- mobile terminal
- display screen
- rear camera
- middle frame
- driving mechanism
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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Abstract
The invention discloses a mobile terminal and an image acquisition method for the mobile terminal, wherein the mobile terminal comprises: the back display screen assembly comprises a middle frame, a back camera, a back display screen assembly, a telescopic assembly and a driving mechanism, wherein the back camera is arranged on the back of the middle frame; the driving mechanism is fixed in the middle frame; the driving mechanism is connected with the first end of the telescopic assembly; the other end of the telescopic assembly is connected with the back display screen assembly, and the orientation of a display screen of the back display screen assembly is the same as that of the rear camera; an opening is arranged on the side wall of the middle frame; the driving mechanism drives the back display screen assembly to extend out of the opening or retract into the middle frame through the telescopic assembly. Therefore, in the technical scheme of the invention, the front camera of the mobile terminal can be cancelled, and the functions (such as self-photographing, face recognition and authentication and the like) of the front camera are realized by the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, thereby being beneficial to the intensive appearance design of the full-face screen.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a mobile terminal and an image acquisition method for the mobile terminal.
Background
With the coming of the full-screen era, the full-screen occupation ratio is higher and higher, and the space reserved for electronic devices on the front side of the mobile terminal is smaller and smaller. The electronic device that influences the screen ratio of the whole screen mainly includes: leading camera and fingerprint identification module, at present, the solution of fingerprint identification module sets up the fingerprint identification module on the fuselage backshell, but, leading camera does not have better hidden solution temporarily.
Disclosure of Invention
The embodiment of the invention provides a mobile terminal and an image acquisition method for the mobile terminal, which aim to solve the technical problem that a front-facing camera has no better hidden solution temporarily.
To solve the above technical problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes a middle frame, a rear camera, a back display screen assembly, a telescopic assembly, and a driving mechanism,
the rear camera is arranged on the back of the middle frame;
the driving mechanism is fixed in the middle frame;
the driving mechanism is connected with the first end of the telescopic assembly;
the other end of the telescopic assembly is connected with the back display screen assembly, and the orientation of a display screen of the back display screen assembly is the same as that of the rear camera;
an opening is formed in the side wall of the middle frame;
the driving mechanism drives the back display screen assembly to extend out of the opening or retract into the middle frame through the telescopic assembly.
In a second aspect, an embodiment of the present invention further provides an image obtaining method for a mobile terminal, where the method includes:
when a control instruction of a preset type is detected, starting a rear camera of the mobile terminal;
controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in the side wall of the middle frame through a telescopic assembly, wherein the back display screen assembly is used for displaying a framing picture of the rear camera;
and controlling the rear camera to acquire images to obtain target images.
In a third aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:
the starting unit is used for starting a rear camera of the mobile terminal under the condition that a preset type of control instruction is detected;
the first control unit is used for controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in the side wall of the middle frame through a telescopic assembly, wherein the back display screen assembly is used for displaying a framing picture of the rear camera;
and the second control unit is used for controlling the rear camera to acquire images to obtain target images.
In a fourth aspect, an embodiment of the present invention further provides a mobile terminal, including a processor, a memory, and an image acquisition program for the mobile terminal, which is stored in the memory and is executable on the processor, and when the image acquisition program for the mobile terminal is executed by the processor, the steps of the image acquisition method for the mobile terminal are implemented.
In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where an image acquisition program for a mobile terminal is stored on the computer-readable storage medium, and when executed by a processor, the image acquisition program for the mobile terminal implements the steps of the image acquisition method for the mobile terminal.
In the embodiment of the invention, a front camera of the mobile terminal can be cancelled, and the functions (such as self-shooting, face recognition and authentication and the like) of the front camera are realized through the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, thereby being beneficial to the extremely-sophisticated appearance design of a full-face screen.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a mobile terminal of an embodiment of the present invention;
fig. 2 is a flowchart of an image acquisition method for a mobile terminal according to an embodiment of the present invention;
fig. 3 is a flowchart of an image acquisition method for a mobile terminal according to another embodiment of the present invention;
fig. 4 is a scene diagram of an image acquisition method for a mobile terminal according to an embodiment of the present invention;
fig. 5 is a flowchart of an image acquisition method for a mobile terminal according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a mobile terminal according to another embodiment of the present invention;
fig. 7 is a schematic hardware structure diagram of a mobile terminal implementing various embodiments of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a mobile terminal and an image acquisition method for the mobile terminal.
A mobile terminal according to an embodiment of the present invention is first described below.
The embodiment of the invention provides a mobile terminal, which comprises a middle frame, a rear camera, a back display screen assembly, a telescopic assembly and a driving mechanism, wherein,
the rear camera is arranged on the back of the middle frame;
the driving mechanism is fixed in the middle frame;
the driving mechanism is connected with the first end of the telescopic component;
the other end of the telescopic component is connected with the back display screen component, and the orientation of the display screen of the back display screen component is the same as that of the rear camera;
an opening is arranged on the side wall of the middle frame;
the driving mechanism drives the back display screen component to extend out of the opening or retract into the middle frame through the telescopic component.
It can be seen from the above embodiment that, in this embodiment, the front camera of the mobile terminal can be cancelled, and the functions of the front camera (for example, self-photographing, face recognition authentication, etc.) can be realized by the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, which is beneficial to the intensive appearance design of the full-face screen.
In the embodiment of the invention, the rear camera can be a 3D camera.
In an embodiment of the present invention, the back display screen assembly may use a light and thin flexible display screen, and at this time, the back display screen assembly may include: and the other end of the telescopic assembly is connected with the flexible display screen.
In addition, considering that the flexible display screen has a relatively small thickness and strength, a flexible screen reinforcing plate may be further added to fix and reinforce the flexible display screen, and in this case, the rear display screen assembly may include: the flexible display screen comprises a flexible display screen and a flexible screen reinforcing plate, wherein the back of the flexible display screen is fixed on the flexible reinforcing plate, and the other end of the telescopic assembly is connected with the flexible screen reinforcing plate. In this case, the mobile terminal may further include: the mainboard, wherein, this mainboard is fixed in the center, and this flexible display screen passes through FPC and is connected with the display port electricity of this mainboard, and is concrete, and this flexible display screen's FPC passes through BTB structure lock on the display port of this mainboard.
In an embodiment of the present invention, the driving mechanism may be a rotating device, and in this case, the telescopic assembly may include: gear, rack and rack compress tightly the piece, and wherein, this gear is fixed in the pivot of this rotating equipment, and this rack is located this rack and compresses tightly between piece and the gear, and meshes with this gear mutually, and the first end of this rack links to each other with this rotating equipment, and the other end of this rack links to each other with this back display screen subassembly. In addition, in practical application, the driving mechanism may also be a translation device, which is not limited in the embodiment of the present invention.
In the embodiment of the present invention, when the driving mechanism is a rotating device, the driving mechanism may be specifically a motor, wherein the motor is fixed in the middle frame. In this case, the mobile terminal may further include: mainboard and motor backup pad, wherein, this mainboard is fixed in the center, and this motor backup pad is fixed on this mainboard, and this motor is fixed in this motor backup pad, and this motor passes through FPC and is connected with the power supply port electricity of this mainboard, and is concrete, and the FPC of this motor passes through BTB structure lock on the power supply port of this mainboard.
In a preferred embodiment provided by the present invention, as shown in fig. 1, fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, where the mobile terminal may include: a middle frame 10, a rear camera (located on the back of the middle frame 10 and not shown in fig. 1), a motor 11, an FPC12 of the motor, a motor support plate 13, a gear 14, a rack 15, a rack pressing member (located below the rack 15 and not shown in fig. 1), a flexible display screen 16, an FPC17 of the flexible display screen, a flexible reinforcing plate 18, a BTB structure 19, and a main board 20; the main board 20 is fixed in the middle frame 10, the motor support plate 13 is fixed on the main board 20, the motor 11 is fixed on the motor support plate 13, the motor 11 is electrically connected with a power supply port of the main board 20 through an FPC12 of the motor, the gear 14 is fixed on a rotating shaft of the motor 11, the rack 15 is located between the rack pressing piece and the gear 14 and meshed with the gear 14, a first end of the rack 15 is connected with the motor 11, the other end of the rack 15 is connected with the flexible reinforcing plate 18, the back of the flexible display screen 16 is fixed on the flexible reinforcing plate 18, the orientation of the flexible display screen 16 is the same as that of the rear camera, an FPC17 of the flexible display screen is buckled on the main board 20 through a BTB structure 19, and an opening is formed in the side wall of the middle frame 10. When the motor 11 rotates, the synchronous gear 14 rotates along with the motor 11, the gear 14 is meshed with the rack 15, the rotation of the gear 14 is converted into the translation of the rack 15, the rack 15 drives the flexible display screen 16 to translate, and the flexible display screen extends out of or retracts into the middle frame 10 from the opening of the side wall of the middle frame 10, the FPC17 of the synchronous flexible display screen is also extended or retracted, and the extending speed, the retracting speed and the stability of the flexible display screen 16 are controlled by the motor 11.
After the mobile terminal provided by the embodiment of the present invention is introduced, an image acquisition method for the mobile terminal is described next.
Fig. 2 is a flowchart of an image obtaining method for a mobile terminal according to an embodiment of the present invention, where the mobile terminal is the mobile terminal in the foregoing embodiment, and as shown in fig. 2, the method may include the following steps:
in step 201, when a preset type of control instruction is detected, a rear camera of the mobile terminal is started.
In this embodiment of the present invention, the preset type of control instruction may include: a rear camera opening instruction or a face recognition authentication instruction, wherein the rear camera opening instruction is used for triggering a rear camera of the mobile terminal to be opened for image acquisition, such as self-shooting; the face recognition authentication instruction is used for triggering the mobile terminal to start a face recognition authentication process.
In step 202, a driving mechanism of the mobile terminal is controlled to drive a back display screen assembly to extend out of an opening of a side wall of the middle frame through the telescopic assembly, wherein the back display screen assembly is used for displaying a viewfinder picture of the rear camera.
In the embodiment of the present invention, the processor of the mobile terminal may control other components in the mobile terminal to perform corresponding actions by generating corresponding electrical signals and sending the electrical signals to the other components in the mobile terminal.
Specifically, the processor of the mobile terminal generates a control signal and sends the control signal to the driving mechanism of the mobile terminal, wherein the control signal is used for controlling the driving mechanism to drive the back display screen assembly to extend out of the opening of the side wall of the middle frame through the telescopic assembly. The current view-finding picture of the rear camera can be displayed on the display screen of the back display screen assembly, so that a user can conveniently preview the self-portrait at the back of the mobile terminal.
Taking the mobile terminal with the structure shown in fig. 1 as an example, the mobile terminal can control the circuit to drive the motor to rotate, the synchronous gear rotates along with the motor, the gear is meshed with the rack to convert the rotation of the gear into the translation of the rack, the rack is assembled with the flexible screen reinforcing plate, the rack drives the flexible screen reinforcing plate to translate, the flexible screen reinforcing plate and the flexible display screen extend out of the opening of the middle frame of the mobile terminal, and the FPC of the synchronous flexible display screen is also extended.
In step 203, the rear camera is controlled to perform image acquisition to obtain a target image.
In the embodiment of the invention, after the rear camera is detected to finish image acquisition, the driving mechanism can be controlled to drive the back display screen assembly to retract into the middle frame through the telescopic assembly.
Taking the mobile terminal with the structure shown in fig. 1 as an example, after image acquisition is completed, the mobile terminal control circuit drives the motor to rotate reversely, the synchronous gear rotates along with the motor, the gear is meshed with the rack to convert the rotation of the gear into the translation of the rack, the rack is assembled with the flexible screen reinforcing plate, the rack drives the flexible screen reinforcing plate to translate, and the flexible screen reinforcing plate and the flexible display screen are retracted into the mobile terminal from the outside of the middle frame.
It can be seen from the above embodiment that, in this embodiment, the front camera of the mobile terminal can be cancelled, and the functions of the front camera (for example, self-photographing, face recognition authentication, etc.) can be realized by the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, which is beneficial to the intensive appearance design of the full-face screen.
Fig. 3 is a flowchart of an image capturing method for a mobile terminal according to another embodiment of the present invention, and the method provided by the embodiment of the present invention is applied to a self-timer scene, as shown in fig. 3, the method may include the following steps:
in step 301, when a rear camera turn-on instruction is detected, a rear camera of the mobile terminal is started.
In step 302, detecting whether a human face exists in a preset self-photographing range of the rear camera; if yes, go to step 303.
In the embodiment of the invention, whether the self-photographing mode is started or not can be determined by detecting whether a human face exists in the preset self-photographing range of the rear camera of the mobile terminal, wherein in the self-photographing mode, the processor of the mobile terminal can control the driving mechanism of the mobile terminal to drive the back display screen assembly to extend out of the opening of the side wall of the middle frame through the telescopic assembly, and at the moment, a view-finding picture of the rear camera can be displayed on the back display screen assembly, so that a user can conveniently perform self-photographing preview.
In the embodiment of the invention, after a rear camera of a mobile terminal is started, if the rear camera detects the face of a user and detects that the distance between the rear camera and the user is within a self-photographing range, the mobile terminal starts a self-photographing mode; if the rear camera does not detect the face of the user, the mobile terminal starts a common photographing mode, for example, photographing other people for a longer distance, photographing scenery and the like, wherein, in the common photographing mode, the back display screen component of the mobile terminal cannot stretch out from the opening of the side wall of the middle frame.
It should be noted that, the self-timer range in the embodiment of the present invention may be set by the user, or may be set by the mobile terminal through self-learning, which is not limited in the embodiment of the present invention.
In the embodiment of the invention, in order to improve the picture shooting quality, the flash lamp can be started when the ambient light is dark. Specifically, in a common photographing mode, the main lightning current of a flash lamp is generally high, the current is hundreds of milliamperes or even more than 1 ampere, and the flash mode is generally adopted.
Specifically, in the self-timer mode, it is considered that the user is closer to the mobile terminal at the time of self-timer, and therefore, the current of the flash may be reduced to a reasonable self-timer level, for example, the current of the flash is reduced to 30 ma, and the flash is set to the normally on mode. At this time, after the step 302, the following steps may be added: s31, wherein, in the step of,
in S31, if there is a human face in a preset self-photographing range of the rear camera of the mobile terminal, obtaining the brightness of the environment where the mobile terminal is located; and if the brightness of the environment where the mobile terminal is located is lower than a preset first brightness threshold, controlling a flash lamp of the mobile terminal to continuously emit light, wherein the brightness of the light is lower than a preset second brightness threshold.
In the embodiment of the invention, if the brightness of the environment where the mobile terminal is located is lower than the preset first brightness threshold, the current environment is considered to be dark, and at the moment, the flash lamp of the mobile terminal is turned on, and the current of the flash lamp is reduced to a reasonable self-photographing level.
In the embodiment of the present invention, in order to avoid that the flash may flash to other users when the ambient light is dark, the following steps may be added after S31: s32, wherein, in the step of,
in S32, receiving a flash setting instruction triggered by a user, where the flash setting instruction is used to request to turn off a flash or adjust the emission brightness of the flash; and controlling the flash lamp to be closed or adjusting the brightness of the emitted light according to the flash lamp setting instruction.
In the embodiment of the present invention, an interface for turning off or adjusting a flash may be provided for a user, and the interface may be disposed on a viewfinder frame of a back display screen assembly of a mobile terminal, or may be disposed on a front display screen of the mobile terminal, and in practical applications, the form of the interface may include: buttons, icons, or specific areas of human-computer interaction. When the interface is a button or an icon, a user can trigger a flash lamp setting instruction by clicking the button or the icon; when the interface is a feature area capable of being interacted with by a human-computer, a user can trigger a flash lamp setting instruction by clicking the feature area or performing gesture operation on the feature area. That is, the user can manually select to turn off the flash lamp or reduce the current of the flash lamp, so as to avoid that the flash lamp is turned on and possibly flashes to other users when the ambient light is dark.
In step 303, a driving mechanism of the mobile terminal is controlled to drive a back display screen assembly to extend out of an opening of a side wall of the middle frame through the telescopic assembly, wherein the back display screen assembly is used for displaying a viewfinder picture of the rear camera.
In step 304, when an image shooting instruction triggered by the rear camera is detected, the rear camera is controlled to perform image acquisition, so as to obtain a target image.
In the embodiment of the present invention, the image capturing instruction may be triggered by at least one of the following methods: voice interaction mode and key interaction mode. Specifically, the user may intelligently interact with the voice assistant through voice control to trigger the image capture command. In addition, the user can also trigger the image shooting instruction by clicking, long pressing or touching the physical key.
In the embodiment of the invention, when the image is collected, the used photographing parameters can be set by the user or can be automatically selected by the mobile terminal. When the photographing parameters are selected automatically by the mobile terminal, the mobile terminal may automatically select appropriate photographing parameters according to the photographing experience accumulated in the past self-photographing library or the photo library, and according to the ambient light information (the light information may include the brightness) and the user information sensed by the rear camera through an artificial intelligence technology, so as to improve the photographing effect of the photo, at this time, the step 304 may include:
when an image shooting instruction triggered by the rear camera is detected, according to at least one of the following information: determining target photographing parameters according to historical photographing information, light information of the current environment of the mobile terminal and information of a human face; and controlling the rear camera to acquire images according to the target photographing parameters.
In the embodiment of the invention, the area of the back display screen assembly is considered to be smaller, so that the mobile terminal can sense the behavior of the user through the rear camera, and the voice assistant prompts the user how to put the model to realize the optimal photographing effect, for example, prompts the user to lower the neck downwards, turn left or turn right slightly, and avoid over tension; at this time, before the step 304, the following steps may be added:
and outputting a prompt message, wherein the prompt message is used for prompting the user to take a photo gesture and/or an expression.
In the embodiment of the invention, after the photographing is finished, the mobile terminal can also prompt whether the user agrees to store the acquired target image into the self-photographing library or the photo library, and if the user agrees, the mobile terminal can automatically store the target image into the self-photographing library or the photo library. In addition, the mobile terminal can record the experience of the photographing so as to guide the next photographing through continuous experience accumulation and self-learning.
In the embodiment of the invention, when a shooting ending instruction triggered by the rear camera is detected, the driving mechanism can be controlled to drive the back display screen assembly to retract into the middle frame through the telescopic assembly.
Taking the mobile terminal with the structure shown in fig. 1 as an example, after self-timer shooting is finished, the mobile terminal control circuit drives the motor to rotate reversely, the synchronous gear rotates along with the motor, the gear is meshed with the rack, the rotation of the gear is converted into the translation of the rack, the rack is assembled with the flexible screen reinforcing plate, the rack drives the flexible screen reinforcing plate to translate, and the flexible screen reinforcing plate and the flexible display screen are retracted into the mobile terminal from the outside of the middle frame.
For convenience of understanding, the embodiment of the present invention is described with reference to the scene diagram shown in fig. 4, and as shown in fig. 4, the mobile terminal 40 includes: a center frame 41, a rear camera 42 and a rear display screen assembly 43. When a user uses the rear camera 42 of the mobile terminal 40 to take a self-portrait, the back display screen assembly 43 extends out of the side wall opening of the middle frame 41, and a face image of the user is displayed on the back display screen assembly 43, so that the user can preview conveniently.
It can be seen from the above embodiment that, in this embodiment, can cancel mobile terminal's leading camera, through actuating mechanism, flexible subassembly, back display screen subassembly and the mutual cooperation of rearmounted camera in the mobile terminal center realize leading camera from shooting function, be favorable to the splendid outward appearance design of full-face screen.
Fig. 5 is a flowchart of an image obtaining method for a mobile terminal according to another embodiment of the present invention, where the method provided by the embodiment of the present invention is applied in a face recognition authentication scenario, as shown in fig. 5, the method may include the following steps:
in step 501, when a face recognition authentication instruction is detected, a rear camera of the mobile terminal is started.
In step 502, a driving mechanism of the mobile terminal is controlled to drive a back display screen assembly to extend out of an opening of a side wall of the middle frame through the telescopic assembly, wherein the back display screen assembly is used for displaying a viewfinder picture of the rear camera.
In the embodiment of the invention, after a user triggers a face recognition authentication instruction, a mobile terminal starts a rear camera to scan the face of the user; meanwhile, the mobile terminal can also control the driving mechanism to drive the flexible display screen assembly to extend out of the side wall of the middle frame through the telescopic assembly, and a user can preview the face conveniently.
In step 503, the rear camera is controlled to perform image acquisition, so as to obtain a target image, and the target image is used for face recognition authentication.
In the embodiment of the invention, when the face recognition authentication is detected to be finished, the driving mechanism can be controlled to drive the back display screen assembly to be retracted into the middle frame through the telescopic assembly.
It can be seen from the above embodiment that, in this embodiment, the front camera of the mobile terminal can be cancelled, and the face recognition authentication function of the front camera is realized through the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, which is beneficial to the extremely-oriented appearance design of the full-face screen.
Fig. 6 is a schematic structural diagram of a mobile terminal according to another embodiment of the present invention, and as shown in fig. 6, the mobile terminal 600 may include: a start-up unit 601, a first control unit 602 and a second control unit 603, wherein,
the starting unit 601 is configured to start a rear camera of the mobile terminal when a preset type of control instruction is detected;
a first control unit 602, configured to control a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in a side wall of a middle frame through a telescopic assembly, where the back display screen assembly is configured to display a framing picture of the rear camera;
and a second control unit 603, configured to control the rear camera to perform image acquisition, so as to obtain a target image.
It can be seen from the above embodiment that, in this embodiment, the front camera of the mobile terminal can be cancelled, and the functions of the front camera (for example, self-photographing, face recognition authentication, etc.) can be realized by the mutual cooperation of the driving mechanism, the telescopic component, the back display screen component and the rear camera in the middle frame of the mobile terminal, which is beneficial to the intensive appearance design of the full-face screen.
In another embodiment provided by the present invention, the mobile terminal 600 may further include:
and the third control unit is used for controlling the driving mechanism to drive the back display screen assembly to be retracted into the middle frame through the telescopic assembly after the rear camera is detected to finish image acquisition.
In another embodiment provided by the present invention, the preset type of control instruction is a rear camera opening instruction;
the first control unit 602 may include:
the detection subunit is used for detecting whether a human face exists in a preset self-photographing range of the rear camera;
the first control subunit is used for controlling the driving mechanism of the mobile terminal to drive the back display screen assembly to extend out of the opening of the side wall of the middle frame through the telescopic assembly under the condition that the detection result of the detection subunit is positive;
the second control unit 603 may include:
and the second control subunit is used for controlling the rear camera to acquire an image to obtain a target image under the condition that an image shooting instruction triggered by the rear camera is detected.
In another embodiment provided by the present invention, the preset type of control instruction is a face identification authentication instruction; the target image is used for face recognition authentication.
The mobile terminal provided in the embodiment of the present invention can implement each process implemented by the mobile terminal in the method embodiments of fig. 2 to fig. 5, and is not described herein again to avoid repetition.
Fig. 7 is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, and as shown in fig. 7, the mobile terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 7 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 710 is configured to start a rear camera of the mobile terminal when a preset type of control instruction is detected; controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in the side wall of the middle frame through a telescopic assembly, wherein the back display screen assembly is used for displaying a framing picture of the rear camera; and controlling the rear camera to acquire images to obtain target images.
According to the technical scheme, the front camera of the mobile terminal can be omitted, the functions (such as self-photographing, face recognition and authentication and the like) of the front camera are realized through the mutual cooperation of the driving mechanism, the telescopic assembly, the back display screen assembly and the rear camera in the middle frame of the mobile terminal, and the extremely-customized appearance design of a full-face screen is facilitated.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access via the network module 702, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the mobile terminal 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.
The mobile terminal 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the mobile terminal 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 705 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 708 is an interface through which an external device is connected to the mobile terminal 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 700 or may be used to transmit data between the mobile terminal 700 and external devices.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby integrally monitoring the mobile terminal. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The mobile terminal 700 may also include a power supply 711 (e.g., a battery) for powering the various components, and the power supply 711 may be logically coupled to the processor 710 via a power management system that may enable managing charging, discharging, and power consumption by the power management system.
In addition, the mobile terminal 700 includes some functional modules that are not shown, and thus will not be described in detail herein.
Preferably, an embodiment of the present invention further provides a mobile terminal, including a processor 710, a memory 709, and an image obtaining program for the mobile terminal, which is stored in the memory 709 and can be run on the processor 710, where the image obtaining program for the mobile terminal is executed by the processor 710 to implement the processes of the embodiment of the image obtaining method for the mobile terminal, and can achieve the same technical effects, and in order to avoid repetition, details are not repeated here.
An embodiment of the present invention further provides a computer-readable storage medium, where an image acquisition program for a mobile terminal is stored on the computer-readable storage medium, and when being executed by a processor, the image acquisition program for the mobile terminal implements each process of the above-mentioned embodiment of the image acquisition method for the mobile terminal, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. A mobile terminal is characterized by comprising a middle frame, a rear camera, a back display screen assembly, a telescopic assembly and a driving mechanism, wherein,
the rear camera is arranged on the back of the middle frame;
the driving mechanism is fixed in the middle frame;
the driving mechanism is connected with the first end of the telescopic assembly;
the other end of the telescopic assembly is connected with the back display screen assembly, and the orientation of a display screen of the back display screen assembly is the same as that of the rear camera;
an opening is formed in the side wall of the middle frame;
the driving mechanism drives the back display screen assembly to extend out of the opening or retract into the middle frame through the telescopic assembly;
the driving mechanism is rotating equipment; the telescoping assembly comprises: the gear, the rack and the rack pressing piece; the gear is fixed on a rotating shaft of the rotating equipment; the rack is positioned between the rack pressing piece and the gear and is meshed with the gear; the first end of the rack is connected with the rotating equipment, and the other end of the rack is connected with the back display screen assembly.
2. The mobile terminal of claim 1, wherein the rear display screen assembly comprises: the flexible display screen and the flexible screen reinforcing plate; the back surface of the flexible display screen is fixed on the flexible reinforcing plate; the other end of the telescopic assembly is connected with the flexible screen reinforcing plate.
3. The mobile terminal of claim 2, wherein the mobile terminal further comprises: a main board; the main board is fixed in the middle frame; the flexible display screen is electrically connected with the display port of the mainboard through an FPC.
4. The mobile terminal of claim 1, wherein the drive mechanism comprises: a motor; the motor is fixed in the middle frame.
5. The mobile terminal of claim 4, wherein the mobile terminal further comprises: a main board and a motor support board; the main board is fixed in the middle frame; the motor supporting plate is fixed on the main plate; the motor is fixed on the motor supporting plate; the motor is electrically connected with the power supply port of the mainboard through an FPC.
6. An image acquisition method for a mobile terminal according to any one of claims 1 to 5, the method comprising:
when a control instruction of a preset type is detected, starting a rear camera of the mobile terminal;
controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in the side wall of the middle frame through a telescopic assembly, wherein the back display screen assembly is used for displaying a framing picture of the rear camera;
controlling the rear camera to acquire an image to obtain a target image;
the preset type of control instruction is a rear camera opening instruction;
control mobile terminal's actuating mechanism stretches out in the opening of middle frame lateral wall through flexible subassembly drive back display screen subassembly, includes: detecting whether a human face exists in a preset self-photographing range of the rear camera; when a human face exists in a preset self-photographing range of the rear camera and the brightness of the environment where the mobile terminal is located is lower than a preset first brightness threshold value, controlling a flash lamp of the mobile terminal to continuously emit light and the brightness of the light to be lower than a preset second brightness threshold value, and controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening of a side wall of a middle frame through a telescopic assembly;
the control the rear camera carries out image acquisition, obtains the target image, includes: when an image shooting instruction triggered by the rear camera is detected, determining a target shooting parameter according to at least one of historical shooting information, light information of the current environment where the mobile terminal is located and face information, and controlling the rear camera to acquire an image according to the target shooting parameter to obtain a target image.
7. The method of claim 6, further comprising:
after detecting that the rear camera finishes image acquisition, controlling the driving mechanism to drive the back display screen assembly to retract into the middle frame through the telescopic assembly.
8. The method according to claim 6, wherein the preset type of control instruction is a face recognition authentication instruction; the target image is used for face recognition authentication.
9. A mobile terminal, characterized in that the mobile terminal comprises:
the starting unit is used for starting a rear camera of the mobile terminal under the condition that a preset type of control instruction is detected;
the first control unit is used for controlling a driving mechanism of the mobile terminal to drive a back display screen assembly to extend out of an opening in the side wall of the middle frame through a telescopic assembly, wherein the back display screen assembly is used for displaying a framing picture of the rear camera;
the second control unit is used for controlling the rear camera to acquire images to obtain a target image, and the preset type of control instruction is a rear camera opening instruction;
the first control unit includes:
the detection subunit is used for detecting whether a human face exists in a preset self-photographing range of the rear camera;
the first control subunit is used for controlling a flash lamp of the mobile terminal to continuously emit light and the light-emitting brightness of the mobile terminal to be lower than a preset second brightness threshold value when a human face exists in a preset self-photographing range of the rear camera and the light brightness of the environment where the mobile terminal is located is lower than a preset first brightness threshold value, and controlling a driving mechanism of the mobile terminal to drive the back display screen assembly to extend out of an opening in the side wall of the middle frame through the telescopic assembly;
the second control unit includes: and the second control subunit is used for determining a target photographing parameter according to at least one of historical photographing information, light information of the current environment of the mobile terminal and face information when detecting an image photographing instruction triggered by the rear camera, and controlling the rear camera to acquire an image according to the target photographing parameter to obtain a target image.
10. The mobile terminal of claim 9, wherein the mobile terminal further comprises:
and the third control unit is used for controlling the driving mechanism to drive the back display screen assembly to be retracted into the middle frame through the telescopic assembly after the rear camera is detected to finish image acquisition.
11. The mobile terminal according to claim 9, wherein the preset type of control instruction is a face identification authentication instruction; the target image is used for face recognition authentication.
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| CN201711336091.6A CN107995395B (en) | 2017-12-14 | 2017-12-14 | Mobile terminal and image acquisition method for same |
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