CN110809150A - A mobile phone 3D photography plus full screen technology - Google Patents

Abstract

A mobile phone 3D photography plus full screen technology. The purpose is to enable the phone to achieve true 3D imaging based on a sufficient difference in the imaging angle of the dual cameras, and components such as the camera do not need to compete for space with the front screen of the phone. The technology of the present invention includes a mobile phone frame with two ears, the ears are on the left and right ends above the mobile phone frame, the front and back of the ears are provided with lens windows, and a camera is installed in each of the left and right ears, and the lens group in the camera is along the mobile phone. Arranged up and down, the upper end of the camera is a reflective mirror, which is used to change the light entering from the lens window to a 90-degree angle and then reflect it to the lens group. The reflective mirror is driven by a motor and can be rotated to align the front and back of the ear. Take pictures of the front and back of the phone. Speakers and related sensors are also installed on both ears, without competing for space with the front screen of the phone, so that the front space of the phone can be fully used to install the display screen.

Description

A mobile phone 3D photography plus full screen technology

Technical field:

The invention provides a mobile phone 3D photography plus full screen technology, which belongs to the field of communication engineering.

Background technique:

Mobile phones have become highly popular in daily life, bringing great convenience to people's lives. Among them, the photography function and the large-screen display function of the mobile phone are two important indicators to measure the quality of the mobile phone. Many smartphones today have multiple front-facing and rear-facing cameras, and have proposed and adopted a full-screen design. However, at present, mobile phones mainly use multiple cameras for the purpose of close-up, long-range, and wide-angle photography, and rarely use multiple cameras for the purpose of 3D photography. The 3D photography function of existing mobile phones basically uses the same camera to take multiple photos, and then uses a specific software algorithm to 3D composite the multiple photos. So it's not really 3D photography. The real 3D photography is to shoot at the same target by aligning two cameras at the same time. Due to the difference in the shooting angle between the two cameras arranged side by side, the images captured by the two cameras can be combined and displayed. 3D image effect. At present, multiple cameras installed in mobile phones are closely arranged together, and even if they want to use it for 3D photography, it is difficult to obtain the required shooting angle difference. Obviously, the 3D photography function can greatly enhance the user experience of the mobile phone. For example, in terms of face recognition, many mobile phones currently use a camera to take a 2D photo of a face, and then perform image recognition on the 2D photo. If you take a 2D photo of a face to the camera of the mobile phone, this kind of mobile phone face recognition will directly think that the photo is standing in front of the mobile phone, so there is a security risk. Some mobile phones, such as Apple mobile phones, use the spot projection scanning technology in order to obtain the 3D data of the face for face recognition, and its security performance is better, but the spot projection scanning technology needs to install additional complex elements on the mobile phone. The device not only increases the cost of the mobile phone, but also occupies the space of the mobile phone. In particular, in order to install the front camera lens, light spot projection scanning element, speaker, and related sensors, these mobile phones usually have to set aside part of the space on the front of the mobile phone, so they cannot achieve a true full-screen display. For example, some mobile phones use a special-shaped full-screen design with bangs, and some mobile phones leave a whole narrow space above the front of the mobile phone. The bangs space and the narrow space are used to install the front camera lens, light spot projection scanning element, speakers, and related sensors. Some mobile phones use a lift-type camera. When not in use, the camera sinks to the top of the mobile phone. When in use, the camera rises and extends out of the top of the mobile phone, so as to avoid occupying the front space of the mobile phone and leave it for a full screen. The production cost of the special-shaped full-screen with bangs is high, and it also increases the additional requirements for the application software to display images; a mobile phone with a whole narrow strip of space can hardly be called a true full-screen mobile phone, and people pay more and more attention to the display effect of mobile phones. At present, there will be huge competitive pressure; mobile phones with lift cameras have more risks of failure, and the thickness of the mobile phone cannot be fully used to design the diameter and depth of the camera. In addition, the front camera and the rear camera on the mobile phone are usually two sets of camera systems that are independent of each other, and cannot be shared with each other.

The present invention proposes a mobile phone 3D photography plus full-screen technology, which enables the mobile phone to realize the function of 3D photography based on two cameras with a sufficient camera angle difference, and the cameras, speakers and related sensors do not need to compete with the display screen for the front of the mobile phone Space, the 3D camera on the front and the 3D camera on the back of the phone communicate with each other.

Invention content:

The purpose of the present invention is to provide a mobile phone 3D photography plus full-screen technology, the purpose of which is to enable the mobile phone to realize true 3D imaging based on sufficient imaging angle difference of dual cameras, and the camera and other components do not need to compete for space with the display screen on the front of the mobile phone . In order to achieve the above object, the technology of the present invention includes a mobile phone frame with two ears, the two ears are respectively on the upper left end and the upper right end of the mobile phone frame. There are lens windows on the front and back of each ear; the lens window on the front of the ear and the lens window on the back of the ear are circular glass windows with the same diameter; the line connecting the center of the front lens window and the center of the back lens window on the same ear is vertical on the front of the phone. There is a cylindrical cavity in each ear, the axis of the cylindrical cavity is parallel to the long side of the mobile phone, and also parallel to the front plane of the mobile phone; the diameter of the cylindrical cavity is slightly larger than the diameter of the lens window; on the same ear Both the front lens window and the back lens window of the ear communicate with the cylindrical cavity in the ear, and the line connecting the center of the front lens window and the center of the back lens window intersects perpendicularly with the axis of the cylindrical cavity. A chamfered cylinder with a reflector, a set of lenses and a photosensitive imaging element are arranged in the cylindrical cavity in each ear from top to bottom along the axis of the cylindrical cavity.

The axis of the chamfered cylinder coincides with the axis of the cylindrical cavity in the ear, the chamfered plane of the chamfered cylinder forms an angle of 45° with the axis of the chamfered cylinder, and the chamfered plane of the chamfered cylinder is the mirror surface of the reflector. The diameter of the chamfered cylinder is almost the same as the diameter of the cylindrical lumen in the ear but slightly smaller, and the cylindrical surface of the chamfered cylinder and the cavity wall of the cylindrical lumen in the ear are very smooth, so the diameter of the chamfered cylinder is very smooth. The cylinder can be rotated in close contact with the cavity wall of the cylindrical cavity in the ear. The upper end of the chamfered cylinder is provided with a motor to drive the chamfered cylinder to rotate in the cylindrical inner cavity in the ear. When you need to shoot the scene in front of the front of the mobile phone, the motor drives the chamfered cylinder to rotate in the cylindrical cavity in the ear until the reflector of the chamfered cylinder faces the lens window on the front of the ear; When the scene is on, the motor drives the chamfered cylinder to rotate in the cylindrical cavity inside the ear until the reflector of the chamfered cylinder faces the lens window on the back of the ear.

The cylindrical lumen in each ear has a guide nose on the lumen wall near the top of the cylindrical lumen, and the cylindrical surface of the chamfered cylinder is adjacent to the top of the chamfered cylinder and parallel to the circumference of the top of the chamfered cylinder There is a guide groove, and the guide protrusion on the cavity wall of the inner cylindrical cavity in the ear is just stuck in the guide groove of the chamfered cylinder. When the motor drives the chamfered cylinder to rotate, when the guide protrusion on the cavity wall touches one end of the guide groove of the chamfered cylinder, it means that the reflector of the chamfered cylinder has been aligned with the ear. a lens window; when the motor drives the chamfered cylinder to reversely rotate until the guide protrusion on the cavity wall touches the other end of the guide groove of the chamfered cylinder, it means that the reflector of the chamfered cylinder has Another lens window aimed at the ear.

The center and focal point of each lens of the lens set are on the axis of the cylindrical cavity. The center of the photosensitive surface of the photosensitive imaging element is also on the axis of the cylindrical cavity, and the photosensitive surface is perpendicular to the axis of the cylindrical cavity. When the reflector of the chamfered cylinder is aimed at a lens window of the ear, the light passing through the lens window will be changed by the reflector at an angle of 90° and reflected to the lens group below the chamfered cylinder, and then pass through the lens group. Focus the light onto the light-sensitive imaging element below the lens group.

When the reflector of the chamfered cylinder is aimed at one lens window of the ear, light penetrates through the other lens window of the ear because the cylindrical surface of the chamfered cylinder is tightly fitted against the cavity wall of the cylindrical cavity. It will be blocked and sealed by the cylindrical surface of the chamfered cylinder, so that it will not affect the photosensitive imaging of the light from the first lens window by the components below the chamfered cylinder. So, although a camera mounted on a single ear of a mobile phone has only one set of mirrors, lens groups, and photosensitive imaging elements, turning the chamfered cylinder causes the mirror to switch directions between the front lens window and the back lens window of the ear. , it can realize that the same camera can capture the scene in front of the front of the mobile phone and the scene on the back of the mobile phone. At present, the front and rear cameras of most mobile phones are two completely independent camera systems that do not share any components with each other. In the technology of the present invention, the front-camera lens and the rear-camera lens on each ear of the mobile phone actually share the same camera system, thereby reducing cost and installation space.

Because the upper left and right upper ends of the mobile phone each have an ear, and each ear has its own camera, when the cameras in the two ears shoot the same scene at the same time, such as shooting the scene in front of the front of the mobile phone at the same time, because the left and right two The two cameras in the ear are separated by a distance of about the width of the phone frame, resulting in a difference in the shooting angle of the same scene, and the two synchronized images captured with the shooting angle difference can be used for 3D imaging. And because the cameras in the two ears can capture both the front and the back of the phone, 3D photography can be achieved regardless of the front of the phone or the back of the phone.

In addition, the phone's speakers and other related sensors can be installed in the appropriate positions on both ears without competing for space with the display screen on the front of the phone, so that the entire rectangular area on the front of the phone can be used to install the display screen, enabling true full-screen mobile phone. Many of the current so-called full-screen mobile phones are actually not really full-screen, because these so-called full-screen mobile phones usually require a whole narrow area, a bangs area, or a drop-shaped area on the front space of the mobile phone. , used to mount the front camera, speakers, and other related sensors.

The technology of the present invention can enable the mobile phone to realize the functions of taking 3D photos, recording 3D videos, and performing 3D imaging face recognition. When the cameras in the two ears of the mobile phone take pictures of the same scene synchronously, the two synchronous image photos with different shooting angles can be used to synthesize 3D photos; when the cameras in the two ears of the mobile phone take pictures synchronously When the video of the same scene is taken, the two synchronized images and videos with different shooting angles can be used to synthesize 3D video; when the cameras in the two ears of the mobile phone are aimed at the front lens window of the ear, and the front of the mobile phone is shot synchronously When there is a face in front, the two synchronized face images with different shooting angles can be used for 3D imaging face recognition. It should be emphasized that the method of synthesizing 3D photos based on two sets of synchronized image data with different shooting angles, the method of synthesizing 3D video, and the method of 3D imaging face recognition are not the content of the present invention; there are many existing related methods. Can be used directly. The main contents of the present invention are the two ears of the mobile phone and the camera installed in the ears; these contents of the invention enable the mobile phone to generate two sets of synchronized image data with sufficient shooting angle difference; and the existing camera system of the mobile phone is difficult to To generate two sets of synchronous image data with sufficient shooting angle difference, existing mobile phones cannot realize true 3D photos and 3D videos based on the two sets of synchronous image data with shooting angle difference.

Because the width of the mobile phone frame is limited, the distance between the two cameras installed in the upper left and right upper ears of the mobile phone frame is also limited, so when the two cameras shoot the same scene simultaneously, the shooting angles of the two cameras are very different. Much depends on the straight-line distance from the scene to the phone. When the straight-line distance is too large, the difference between the shooting angles of the two cameras will be very small, so that the two sets of synchronized image data captured cannot be effectively used to synthesize 3D images unless the imaging resolutions of the two cameras are very high. , enough to effectively distinguish image differences caused by small shooting angle differences. However, high imaging resolution means high manufacturing costs. Therefore, given the constraints of manufacturing cost, the invented technology is mainly used to capture 3D images of close-up scenes. Generally speaking, when using the front-camera lens of the mobile phone to shoot the user's own avatar, the distance is relatively close, which can ensure that the shooting angle difference between the two cameras is large enough, so that the 3D image can be effectively synthesized to realize functions such as face recognition, 3D expression modeling these features. If it is only necessary to perform 3D photography on the close-up scene in front of the front of the mobile phone, each ear of the mobile phone frame in the technology of the present invention may only have a front lens window, but no rear lens window, that is, the mobile phone can only take pictures of the scene in front of the front of the mobile phone. Take 3D photos and photography. At this time, the axis of the cylindrical cavity in each ear of the mobile phone frame passes through the center of the front lens window and is perpendicular to the front plane of the mobile phone, and the camera in the ear of the mobile phone frame does not need to chamfer the cylinder and its reflector and motor. In fact, if only 3D photography needs to be performed on the close-up scene in front of the front of the mobile phone, the front-camera lens currently used in various mobile phones can be directly installed in each ear of the mobile phone frame in the technology of the present invention.

The technical indicators related to photographic performance and imaging quality such as pixel resolution and aperture size of the cameras in the two ears of the mobile phone in the technology of the present invention can be designed and determined according to the price, market and functional positioning of the mobile phone.

Each component in the mobile phone 3D photography plus full-screen technology of the present invention can be designed with appropriate materials, shapes, sizes, sizes, numbers, colors and layout positions.

A mobile phone 3D photography plus full-screen technology of the present invention has the following beneficial effects: the technology of the present invention can enable the mobile phone to realize the function of 3D photography based on two cameras with a sufficient camera angle difference; and the camera, speaker, and related sensors There is no need to compete with the display screen for the front space of the phone, that is, the entire front space of the phone can be used to install the display screen, so as to achieve a true full screen; in addition, the front and rear cameras on each ear of the phone are actually shared The same set of cameras, which is beneficial to save cost and space.

Description of drawings:

The accompanying drawing provides a schematic diagram of a mobile phone 3D photography plus full-screen technology of the present invention:

Figure 1: The main structural diagram of a mobile phone 3D photography plus full screen technology of the present invention.

Figure 2: An example diagram of a mobile phone ear and a cylindrical inner cavity in a mobile phone 3D photography plus full-screen technology of the present invention.

Figure 3: An example diagram of a chamfered cylinder, a lens group and a photosensitive imaging element in a mobile phone 3D photography plus full-screen technology of the present invention.

Detailed ways:

A mobile phone 3D photography plus full screen technology of the present invention will be further described below with reference to the accompanying drawings. Description of reference numerals in the drawings: 1 Mobile phone frame 2 Ears of the mobile phone frame 3 Display screen on the front of the mobile phone 4 Lens window on the front of the ear 5 Lens window on the back of the ear 6 Speaker 7 Beveled cylinder 8 Beveled mirror of the cylinder 9 Beveled Cylinder motor 10 Lens group 11 Photosensitive imaging element 12 Chamfering the inner cavity of the cylinder 13 Chamfering the guiding boss 14 on the inner cavity of the cylinder Chamfering the guide groove on the cylinder surface.

FIG. 1 shows the main structural diagram of a mobile phone 3D photography plus full screen technology of the present invention. The technology of the present invention includes a mobile phone frame (1), the upper left end and the upper right end of the mobile phone frame (1) each have an ear (2), and the rectangular space on the front of the mobile phone frame (1) is reserved for the display screen (3). A front lens window (4) is opened on the front of each ear (2), and a rear lens window (5) is opened on the back of each ear (2). The speaker (6) of the mobile phone is installed in the appropriate position on the two ears (2), and other related sensors can also be installed in the appropriate position on the two ears (2) without competing with the display screen (3) on the front of the mobile phone space, so that the entire front space of the mobile phone can be used to install the display screen (3). The front lens window (4) of the ear (2) and the rear lens window (5) of the ear (2) are circular glass windows with the same diameter; the center of the circle and the rear lens window of the front lens window (4) on the same ear (2) (5) The line connecting the center of the circle is perpendicular to the front plane of the mobile phone. The camera is installed in the ear (2) and includes a chamfered cylinder (7), a set of lens sets (10) and a photosensitive imaging element (11); the chamfered surface of the chamfered cylinder (7) is a reflector ( 8), there is a motor (9) on the top of the chamfered cylinder (7) to drive the chamfered cylinder (7) to rotate, so that the reflector (8) can be aligned with the front lens window (4) and aligned. Switch between rear lens windows (5). Because there is an ear (2) at the upper left end and the upper right end of the mobile phone frame (1), and each ear (2) has a camera, when the cameras in the two ears (2) shoot the same scene at the same time, such as When shooting the scene in front of the front of the mobile phone at the same time, since the two cameras in the left and right ears (2) are separated by a distance of about the width of the mobile phone frame (1), the shooting angle of the same scene will be different, and all the The two synchronized images captured with different shooting angles can be used for 3D imaging. And because the cameras in the two ears (2) can both shoot the scene in front of the front of the mobile phone and the scene on the back of the mobile phone, 3D photography can be achieved regardless of the scene in front of the front of the mobile phone or the scene on the back of the mobile phone. . In addition, the phone's speaker (6) and other related sensors can be installed in appropriate positions on both ears (2) without competing for space with the display screen (3) on the front of the phone frame (1), so that the phone frame (1) ) The front space can be fully used to install the display screen (3), so as to realize a true full screen.

FIG. 2 shows an example diagram of a mobile phone ear and a cylindrical inner cavity in a mobile phone 3D photography plus full-screen technology of the present invention. Each ear (2) of the mobile phone frame (1) has a cylindrical inner cavity (12), and the axis of the cylindrical inner cavity (12) is parallel to the long side of the mobile phone frame (1) and also parallel to the mobile phone. Front plane of frame (1). The diameter of the cylindrical lumen (12) is slightly larger than the diameters of the lens windows (4) and (5). The front lens window (4) and the back lens window (5) on the same ear (2) are both communicated with the cylindrical inner cavity (12) in the ear (2), and the center of the circle and the back of the front lens window (4) The line connecting the centers of the lens windows (5) vertically intersects with the axis of the cylindrical inner cavity (12). A guide protrusion (13) is provided on the inner cavity wall of the cylindrical inner cavity (12) in each ear (2) near the top of the cylindrical inner cavity (12). The function of the guide protrusion (13) is to make the chamfered cylinder (7) installed in the ear (2) precisely aligned with the lens window (4) or (5) to be aligned after being rotated. It should be emphasized that, in order to make the example of Fig. 2 clearer, Fig. 2 only shows the main internal structure of the ear (2) at the upper left end of the mobile phone frame (1), but does not show the camera assembly installed in the ear (2).

FIG. 3 shows an example diagram of a chamfered cylinder, a lens group and a photosensitive imaging element in a mobile phone 3D photography plus full-screen technology of the present invention. A chamfered cylinder (7) with a reflector (8) is installed in the cylindrical cavity (12) in each ear (2) in sequence from top to bottom along the axis of the cylindrical cavity (12). , a lens group (10) and a photosensitive imaging element (11). The axis of the chamfered cylinder (7) coincides with the axis of the cylindrical cavity (12) in the ear (2), and the chamfered surface of the chamfered cylinder (7) is at 45° to the axis of the chamfered cylinder (7) Angle, the chamfered surface of the chamfered cylinder (7) is the mirror surface of the reflector (8). The diameter of the chamfered cylinder (7) is almost the same but slightly smaller than the diameter of the cylindrical lumen (12) in the ear (2), and the cylindrical surface of the chamfered cylinder (7) and the inner cylindrical shape of the ear (2) The cavity wall of the inner cavity (12) is very smooth, so the cylindrical surface of the chamfered cylinder (7) can be rotated in close contact with the cavity wall of the cylindrical inner cavity (12) in the ear (2). A motor (9) is installed on the upper end of the chamfered cylinder (7) to drive the chamfered cylinder (7) to rotate in the cylindrical inner cavity (12) in the ear (2). When the scene in front of the front of the mobile phone needs to be photographed, the motor (9) drives the chamfered cylinder (7) to rotate in the cylindrical cavity (12) in the ear (2) until the reflector of the chamfered cylinder (7) is turned (8) The front lens window (4) facing the ear (2); and when it is necessary to take a picture of the back of the mobile phone, the motor (9) drives the chamfered cylinder (7) in the cylindrical shape inside the ear (2). Rotate in the cavity (12) until the reflector (9) of the chamfered cylinder (7) faces the rear lens window (5) of the ear (2). There is a guide groove (14) on the cylindrical surface of the chamfered cylinder (7) close to the top of the chamfered cylinder (7) and parallel to the top of the chamfered cylinder (7), and a cylindrical inner cavity in the ear (2) is provided. (12) The guide boss (13) on the inner cavity wall is just caught in the guide groove (14) of the chamfered cylinder (7). When the motor (9) drives the chamfered cylinder (7) to rotate, when the guide boss (13) on the cavity wall of the cylindrical inner cavity (12) touches the guide groove (13) of the chamfered cylinder (7) 14), it means that the reflector (8) of the chamfered cylinder (7) has been aligned with a lens window of the ear (2), such as the front lens window (4); when the motor (9) Drive the chamfered cylinder (7) to rotate in the opposite direction until the guide protrusion (13) on the cavity wall of the cylindrical cavity (12) touches the other end of the guide groove (14) of the chamfered cylinder (7) , it means that the reflector (8) of the chamfered cylinder (7) has been aligned with another lens window of the ear (2), such as the rear lens window (5). The center and focus of each lens of the lens set (10) are on the axis of the cylindrical cavity (12). The center of the photosensitive surface of the photosensitive imaging element (11) is also on the axis of the cylindrical cavity (12), and the photosensitive surface is perpendicular to the axis of the cylindrical cavity (12). When the reflector (8) of the chamfered cylinder (7) is aimed at a lens window (4) or (5) of the ear (2), the light passing through the lens window is changed by the reflector (8) The light is reflected to the lens group (10) below the chamfered cylinder (7) at an angle of 90°, and then the light is focused on the photosensitive imaging element (11) below the lens group (10) through the lens group (10). When the reflector (8) of the chamfered cylinder (7) is aligned with one of the lens windows of the ear (2), say the front lens window (4), because the cylinder of the chamfered cylinder (7) fits tightly Therefore, from another lens window of the ear (2), such as the rear lens window (5), the incoming light will be blocked by the cylindrical surface of the chamfered cylinder (7). sealed, so as not to affect the photosensitive imaging work of the components below the chamfered cylinder (7) for the light from the first lens window. Therefore, although the camera mounted on the single ear (2) of the mobile phone frame (1) has only one set of reflectors (8), lens groups (10) and photosensitive imaging elements (11), by rotating the chamfered cylinder (7) ) to switch the direction of the reflector (8) between the front lens window (4) and the back lens window (5) of the ear (2), so that the same camera can capture both the front and the front of the mobile phone, and the The view from the back of the phone. It should be emphasized that, in order to make the example of Fig. 3 clearer, Fig. 3 only shows the components of the camera, that is, the chamfered cylinder (7), the lens group (10) and the photosensitive imaging element (11), but not these cameras. A cylindrical lumen (12) in the ear (2) where the assembly is located.

Claims (7)

1. A mobile phone 3D photography plus full-screen technology, the purpose of which is to enable the mobile phone to achieve true 3D imaging based on a sufficient imaging angle difference between the dual cameras, and the camera and other components do not need to compete for space with the front screen of the mobile phone. The technology of the present invention includes a mobile phone frame with two ears, the two ears are respectively at the upper left end and the upper right end of the mobile phone frame; the front and back sides of each ear are provided with a lens window; the front lens window of the ear and the rear lens window of the ear It is a circular glass window with the same diameter; the line connecting the center of the front lens window and the center of the back lens window on the same ear is perpendicular to the front plane of the mobile phone; each ear has a cylindrical inner cavity, and the cylindrical inner cavity Its axis is parallel to the long side of the mobile phone, and also parallel to the front plane of the mobile phone; the diameter of the cylindrical cavity is slightly larger than the diameter of the lens window; the front lens window and the back lens window on the same ear are the same as the cylinder in the ear. The inner cavity is connected, and the line connecting the center of the front lens window and the center of the rear lens window intersects perpendicularly with the axis of the cylindrical cavity; A chamfered cylinder with a reflector, a set of lens sets and a photosensitive imaging element are arranged in order from the bottom; the axis of the chamfered cylinder coincides with the axis of the cylindrical cavity in the ear, and the chamfered cylinder is inclined. The cut plane forms an angle of 45° with the axis of the chamfered cylinder, and the chamfered plane of the chamfered cylinder is the mirror surface of the reflector; the diameter of the chamfered cylinder is almost the same as the diameter of the cylindrical lumen in the ear but slightly smaller, and the chamfered cylinder is oblique. The cylindrical surface of the cut cylinder and the cavity wall of the cylindrical cavity in the ear are very smooth, so the cylindrical surface of the chamfered cylinder can be rotated closely against the cavity wall of the cylindrical cavity in the ear; The upper end is equipped with a motor to drive the chamfered cylinder to rotate in the cylindrical cavity in the ear; when the scene in front of the front of the mobile phone needs to be photographed, the motor drives the chamfered cylinder to rotate in the cylindrical cavity in the ear , until the mirror of the chamfered cylinder faces the lens window on the front of the ear; and when it is necessary to shoot the scene on the back of the mobile phone, the motor drives the chamfered cylinder to rotate in the cylindrical cavity in the ear until the chamfered cylinder is The reflector faces the lens window on the back of the ear; there is a guide protrusion on the inner cavity wall of each ear near the top of the cylindrical cavity, and the cylindrical surface of the chamfered cylinder is close to the chamfered cylinder There is a guide groove on the top of the body and parallel to the circumference of the top of the chamfered cylinder. The guide protrusion on the cavity wall of the inner cylindrical cavity of the ear is just stuck in the guide groove of the chamfered cylinder. When the motor drives the chamfered cylinder During the rotation of the body, when the guide protrusion on the cavity wall touches one end of the groove of the guide rail of the chamfered cylinder, it means that the reflector of the chamfered cylinder has been aligned with a lens window of the ear. The motor drives the chamfered cylinder to reversely rotate until the guide protrusion on the cavity wall touches the other end of the guide groove of the chamfered cylinder, which means that the reflector of the chamfered cylinder has been aligned with the other side of the ear. A lens window; the center and focus of each lens of the lens group are on the axis of the cylindrical cavity; the center of the photosensitive surface of the photosensitive imaging element is also on the axis of the cylindrical cavity, and the photosensitive surface is perpendicular to the cylindrical cavity. The axis of the cavity; when the reflector of the chamfered cylinder is aligned with one of the lens windows of the ear, through the lens window The incoming light will be changed by the reflector by 90° and reflected to the lens group below the chamfered cylinder, and then the light will be focused on the photosensitive imaging element under the lens group through the lens group; when the reflector of the chamfered cylinder is aligned When one lens window of the ear is used, because the cylinder of the chamfered cylinder is closely attached to the cavity wall of the cylindrical cavity, the light passing through the other lens window of the ear will be blocked by the cylinder of the chamfered cylinder. sealed so as not to affect the photosensitive imaging of the light from the first lens window by the components under the chamfered cylinder; therefore, although the camera mounted on a single ear of a mobile phone has only one set of reflectors, lens groups and photosensitive Imaging element, but by turning the chamfered cylinder to switch the direction of the reflector between the front lens window and the back lens window of the ear, the same camera can capture both the front of the phone and the back of the phone. scene; because there is an ear at the upper left and upper right end of the mobile phone, and there is a camera in each ear, when the cameras in the two ears shoot the same scene at the same time, such as shooting the scene in front of the front of the mobile phone at the same time, because the left and right The two cameras in the two ears are separated by a distance of about the width of a mobile phone, resulting in a difference in the shooting angle of the same scene, and the two synchronized images with the shooting angle difference can be used for 3D imaging. ; And because the cameras in the two ears can both shoot the scene in front of the phone and the scene on the back of the phone, 3D photography can be achieved regardless of the scene in front of the phone or the scene on the back of the phone; , the phone's speaker and other related sensors can be installed in the appropriate positions on both ears without competing for space with the display screen on the front of the phone, so that the front space of the phone can be used to install the display screen. 2. a kind of mobile phone 3D photography according to claim 1 adds full-screen technology, it is characterized in that: when the camera in two ears of the mobile phone synchronously takes the photo of the same scene, the photographed existence of poor shooting angle Two simultaneous video photos can be used to composite 3D photos. 3. a kind of mobile phone 3D photography plus full-screen technology according to claim 1 is characterized in that: when the camera in the two ears of the mobile phone synchronously shoots the video of the same scene, there is a difference in shooting angle that is photographed. Two synchronized video videos can be used to composite 3D video. 4. a kind of mobile phone 3D photography plus full screen technology according to claim 1 is characterized in that: each ear of the mobile phone frame can have only the front lens window, and does not have the back lens window, that is, the mobile phone can only be used for the front of the mobile phone. 3D photography and photography of the scene; the axis of the cylindrical cavity in each ear of the phone frame passes through the center of the front lens window and is perpendicular to the front plane of the phone; the camera in the ear of the phone frame does not need to chamfer the cylinder and its location. Belt reflector and motor. 5. a kind of mobile phone 3D photography according to claim 1 adds full-screen technology, it is characterized in that: when the camera in the two ears of the mobile phone is aimed at the front lens window of the ear and synchronously shoots the face in front of the front of the mobile phone , the captured two synchronized face images with different shooting angles can be used for 3D imaging face recognition. 6. a kind of mobile phone 3D photography plus full-screen technology according to claim 1 is characterized in that: such as pixel resolution, aperture size of the camera in the two ears of the mobile phone and these technical indicators related to photographic performance and imaging quality It can be designed and decided according to the price, market and functional positioning of the mobile phone. 7. A mobile phone 3D photography plus full-screen technology according to claim 1, wherein each component in the technology can be designed with appropriate materials, shapes, dimensions, sizes, quantities, colors and layout positions .

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