KR102399513B1 - Wide angle picturing device and mobile apparatus including the same - Google Patents

Abstract

One embodiment of the wide-angle photographing apparatus includes: a camera module for photographing a subject; a driving unit for rotating the camera module about an axis parallel to a second direction perpendicular to a first direction that is an optical axis direction of the camera module; and a base in which a first accommodating part accommodating the camera module and the driving part is formed.

Description

Wide angle photographing device and mobile apparatus including the same

The embodiment relates to a wide-angle photographing apparatus capable of photographing a panoramic image, a photo, and the like, and a mobile device including the same.

The content described in this section merely provides background information for the embodiment and does not constitute the prior art.

Recently, outdoor sports or outdoor activities such as camping, leisure, and extreme sports are increasing. Therefore, these active and active activities are often left as pictures or images.

In particular, the demand for action cameras is increasing in order to leave a scene of extreme sports or a natural landscape as a better photo or video, and the demand for panoramic video and photos using camera equipment with a wider viewing angle than normal video is also increasing. there is.

On the other hand, portable mobile devices such as smart phones and tablet PCs are equipped with a photographing device, but such a photographing device is not an action camera capable of accurately photographing a fast-moving subject.

In addition, since the lens provided in the photographing apparatus is not a wide-angle lens, it is impossible to photograph a panoramic image or a photo using the photographing apparatus.

Accordingly, the embodiment relates to a wide-angle photographing apparatus capable of photographing a panoramic image, a photo, and the like, and a mobile device including the same.

The technical task to be achieved by the embodiment is not limited to the technical task mentioned above, and other technical tasks not mentioned will be clearly understood by those of ordinary skill in the art to which the embodiment belongs from the description below.

One embodiment of the wide-angle photographing apparatus includes: a camera module for photographing a subject; a driving unit for rotating the camera module about an axis parallel to a second direction perpendicular to a first direction that is an optical axis direction of the camera module; and a base in which a first accommodating part accommodating the camera module and the driving part is formed.

The driving unit may include: a bracket having one surface coupled to the camera module; and a rotation motor coupled to the other surface of the bracket and rotating the bracket.

The rotation motor may be provided as a spin motor, a spindle motor, a step motor, or a piezoelectric motor.

The rotation motor may include: a rotating unit coupled to the bracket to rotate the bracket; and a support part coupled to the first accommodating part and supporting the rotating part.

The rotating part may rotate about an axis parallel to the second direction with respect to the support part.

The bracket may include a pair of bent portions bent from both ends, and the bent portions may be coupled to a side surface of the camera module.

The driving unit may be provided as a pair and coupled to both sides of the camera module, respectively.

A coupling groove is formed on the side of the camera module, the driving unit is provided with a through hole disposed to correspond to the coupling groove, and the first receiving part is formed with a coupling protrusion inserted into the coupling groove and the through hole. can

The coupling protrusion may protrude in a direction parallel to the second direction, and the camera module may rotate around a center of the coupling protrusion.

An embodiment of the portable terminal includes a camera module for photographing a subject; a driving unit for rotating the camera module about an axis parallel to a second direction perpendicular to a first direction that is an optical axis direction of the camera module; A wide-angle photographing apparatus including a base on which a first accommodating part accommodating the camera module and the driving part is formed may be provided, and a second accommodating part accommodating the base may be formed on a rear surface thereof.

According to an embodiment of the portable terminal, a display unit for operating the wide-angle photographing apparatus is provided on a front surface of the mobile terminal, and as the user adjusts the rotation angle of the camera module by dragging the surface of the display unit, the subject Each part of may be displayed on the display unit.

According to an embodiment of the portable terminal, an image of a portion of the subject photographed by rotating the camera module in one direction is combined with an image of another portion of the subject photographed by rotating the camera module in the opposite direction to the one direction. It may be to complete the entire image of the subject.

In an embodiment, although the viewing angle of the camera module is constant, by adjusting the rotation angle of the camera module, the wide-angle photographing apparatus can acquire a photographing angle of a wider range than the viewing angle, and thus an image captured in a wide range of angles can get

In addition, by adjusting the rotation angle of the camera module to widen the shooting angle of the camera module, it is possible to shoot a wide-angle image even in a mobile device.

1 is a perspective view illustrating a portable terminal according to an embodiment.
2 is an exploded perspective view illustrating a wide-angle photographing apparatus according to an exemplary embodiment.
3 is a perspective view illustrating a driving unit according to an exemplary embodiment.
4A to 6B are diagrams for explaining operations of a wide-angle photographing apparatus and a portable terminal according to an exemplary embodiment.
4A shows a case in which the optical axis direction of the camera module is the longitudinal direction of the portable terminal, that is, perpendicular to or close to the lateral direction on the paper.
In FIG. 4B, when the optical axis direction of the camera module is arranged in FIG. 4A, the state of the subject photographed through the camera module is shown on the display unit.
5A illustrates a case in which the camera module rotates to the left on the ground, and the optical axis direction of the camera module also rotates to the left on the ground.
In FIG. 5B, when the optical axis direction of the camera module is arranged in FIG. 5A, the state of the subject photographed through the camera module is shown on the display unit.
6A illustrates a case in which the camera module rotates to the right on the ground, and the optical axis direction of the camera module also rotates to the right on the ground.
In FIG. 6B , when the optical axis direction of the camera module is arranged in FIG. 6A , an image of a subject photographed through the camera module is shown on the display unit.
7 is a diagram illustrating a picture taken by a wide-angle photographing apparatus and a portable terminal according to an exemplary embodiment.

Hereinafter, an embodiment will be described in detail with reference to the accompanying drawings. Since the embodiment may have various changes and may have various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the embodiment to a specific disclosed form, and it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the embodiment. In this process, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

Terms such as “first” and “second” may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. In addition, terms specifically defined in consideration of the configuration and operation of the embodiment are only for describing the embodiment, and do not limit the scope of the embodiment.

In the description of the embodiment, in the case where it is described as being formed in "up (up)" or "below (on or under)" of each element, on (on or under) ) includes both elements in which two elements are in direct contact with each other or one or more other elements are disposed between the two elements indirectly. In addition, when expressed as “up (up)” or “down (on or under)”, the meaning of not only the upward direction but also the downward direction based on one element may be included.

Also, as used hereinafter, relational terms such as "upper/upper/above" and "lower/lower/below" etc. do not necessarily require or imply any physical or logical relationship or order between such entities or elements, It may be used only to distinguish one entity or element from another entity or element.

In addition, a Cartesian coordinate system (x, y, z) may be used in the drawings. In the drawings, the x-axis and y-axis mean a plane perpendicular to the optical axis. For convenience, the optical-axis direction (z-axis direction) may be referred to as the first direction, the x-axis direction as the second direction, and the y-axis direction as the third direction. .

1 is a perspective view illustrating a portable terminal according to an embodiment. 2 is an exploded perspective view illustrating the wide-angle photographing apparatus 10 according to an exemplary embodiment. 3 is a perspective view illustrating a driving unit 200 according to an exemplary embodiment.

The portable terminal, although a smartphone is illustrated in the embodiment, is not limited thereto. That is, the portable terminal may include any device as long as it is portable and capable of capturing images, such as a tablet PC.

In addition, although the case of taking a picture, that is, a still image has been described in the embodiment, the wide-angle photographing apparatus 10 and the portable terminal of the embodiment may be used even when shooting a moving picture.

The portable terminal of the embodiment may include a wide-angle photographing device 10 , a second accommodating unit 20 , and a display unit 30 . The display unit 30 may be provided on the front of the portable terminal. The display unit 30 will be described later with reference to FIGS. 4B, 5B, and 6B.

The second accommodating part 20 is formed on the rear surface of the portable terminal and may serve to accommodate the wide-angle photographing apparatus 10 . Specifically, the second accommodating part 20 may be formed by recessing a portion of the rear surface of the portable terminal to accommodate the base 300 of the wide-angle photographing apparatus 10 . Accordingly, the second accommodating part 20 may be formed in a shape corresponding to the outer shape of the base 300 .

The wide-angle photographing apparatus 10 may include a camera module 100 , a driving unit 200 , and a base 300 . The wide-angle photographing apparatus 10 may rotate the camera module 100 to photograph a subject at a wider angle than when the camera module 100 does not rotate.

The camera module 100 is a part for photographing a subject. The camera module 100 may include a lens and an image sensor in a portion facing the lens. The lens may be provided as one, but a plurality of lenses may be arranged in the axial direction of the light incident through the lens, that is, in the first direction to form an optical system.

In addition, the camera module 100 may include an auto-focusing function for moving the lens in the optical axis direction to focus on a subject, and a hand-shake correction function for correcting shake caused by a user's hand shake.

In addition, the camera module 100 may be provided with a coupling groove 110 . The coupling groove 110 is formed on the side of the camera module 100 and may be inserted into the coupling protrusion 311 formed in the first receiving part 310 of the base 300 . The camera module 100 inserted into the coupling protrusion 311 may rotate around the center of the coupling protrusion 311 .

The driving unit 200 may serve to rotate the camera module 100 about an axis parallel to a second direction perpendicular to a first direction that is an optical axis direction of the camera module 100 . That is, the driving unit 200 may rotate the camera module 100 about the center of the coupling protrusion 311 as an axis. The driving unit 200 may include a bracket 210 , a rotation motor 220 , and a through hole 230 .

One side of the bracket 210 may be coupled to the camera module 100 , and the other side may be coupled to a rotation motor 220 . The bracket 210 may include a bent portion 211 . The bent part 211 is bent from both ends of the bracket 210 , and the bent part 211 may be coupled to a side surface of the camera module 100 .

When the bracket 210 is coupled to the camera module 100, the bent part 211 holds the camera module 100, so when the bent part 211 rotates, the camera module 100 also rotates. can do. Meanwhile, the bracket 210 may be coupled to the rotation motor 220 , and when the rotation motor 220 rotates, the bracket 210 may also rotate.

At this time, the bracket 210 may rotate together with the rotation motor 220 by being adhered to the rotation motor 220 with an adhesive. In another embodiment, a protrusion is formed in either one of the bracket 210 or the rotation motor 220 and a groove is formed in the other at the coupling portion of the bracket 210 and the rotation motor 220 , the bracket 210 . And the rotation motor 220 may be coupled to each other.

Accordingly, when the rotation motor 220 rotates, the bracket 210 rotates accordingly, and as the bracket 210 rotates, the camera module 100 may also rotate.

The rotation motor 220 may be coupled to the other surface of the bracket 210 and serve to rotate the bracket 210 . The rotary motor 220 is small, and it is appropriate to use a motor that is easy to control the rotation angle.

Accordingly, the rotation motor 220 may be, for example, a spin motor, a spindle motor, a step motor, a piezoelectric motor, or the like.

The rotation motor 220 may include a rotation unit 221 and a support unit 222 . The rotating part 221 may serve to rotate the bracket 210 by being coupled to the bracket 210 . That is, the rotation unit 221 is coupled to the bracket 210, and when the rotation unit 221 rotates, the bracket 210 rotates accordingly, and as the bracket 210 rotates, the camera module 100 can also rotate. there is.

The support part 222 may serve to be coupled to the first accommodating part 310 and support the rotation part 221 . That is, as shown in FIG. 3 , the support part 222 may surround the rotation part 221 so that the rotation part 221 is supported by the support part 222 and rotates.

Accordingly, the rotating part 221 may rotate about an axis parallel to the second direction with respect to the support part 222 , that is, the center of the coupling protrusion 311 . Of course, the rotating part 221 rotates, but the support part 222 does not rotate.

The through hole 230 may be disposed to correspond to a coupling protrusion 311 serving as a rotation shaft and the coupling groove 110 into which the coupling protrusion 311 is inserted. Accordingly, the coupling protrusion 311 may be inserted into the through hole 230 and the coupling groove 110 . In this case, the through hole 230 may be formed at the rotation center of the rotating part 221 .

Therefore, referring to FIGS. 2 and 3 , a coupling groove 110 is formed on the side of the camera module 100 , and the driving unit 200 has a through hole 230 disposed to correspond to the coupling groove 110 . is provided, and the coupling protrusion 311 inserted into the coupling groove 110 and the through hole 230 may be formed in the first receiving part 310 .

Meanwhile, the driving unit 200 is provided as a pair, and may be coupled to both sides of the camera module 100 , respectively. Accordingly, the bracket 210 and the rotation motor 220 forming the driving unit 200 may be provided as a pair, respectively, and the coupling protrusion 311 may also be provided as a pair.

The base 300 may accommodate the camera module 100 and the driving unit 200 , and the base 300 may be accommodated in the second receiving unit 20 formed in the mobile device. The base 300 may include a first accommodating part 310 .

The first accommodating part 310 may be formed by recessing a part of the base 300 , and the camera module 100 and the driving part 200 may be accommodated in the first accommodating part 310 . In addition, a coupling protrusion 311 may be formed in the first accommodating part 310 .

The coupling protrusion 311 is provided as a pair, so that the driving unit 200 provided as a pair can be coupled thereto. The coupling protrusion 311 may be formed to protrude in a direction parallel to the second direction. Accordingly, the coupling groove 110 of the camera module 100 is inserted into the coupling protrusion 311 , and the camera module 100 may rotate around the center of the coupling protrusion 311 .

In the embodiment, the rotating motor 220, the bracket 210 and the camera module 100 are inserted into the coupling protrusion 311, and the rotating motor 220, the bracket 210 and the camera module 100 are the coupling protrusions. The center of (311) can be rotated as an axis.

At this time, when power is applied to the rotation motor 220 , the rotation motor 220 may rotate, and accordingly, the bracket 210 coupled to the rotation motor 220 may also rotate, and the bracket 210 . The camera module 100 supported by the may also rotate.

4A to 6B are diagrams for explaining the operation of the wide-angle photographing apparatus 10 and the portable terminal according to an exemplary embodiment.

4A shows a case in which the optical axis direction of the camera module 100 is the longitudinal direction of the portable terminal, that is, perpendicular to or close to the lateral direction on the paper. In FIG. 4B , when the optical axis direction of the camera module 100 is arranged in FIG. 4A , the appearance of the subject photographed through the camera module 100 is shown on the display unit 30 .

The display unit 30 is provided on the front of the portable terminal and may have a touch screen function. In an embodiment, the wide-angle photographing apparatus 10 may be operated by manipulation of the display unit 30 . That is, the user U on the display unit 30 may rotate the camera module 100 of the wide-angle photographing apparatus 10 through a touch screen function.

Therefore, although the viewing angle θ of the camera module 100 is constant, by adjusting the rotation angle of the camera module 100, the wide-angle photographing apparatus 10 can obtain a wider range of photographing angles than the viewing angle θ. Accordingly, it is possible to obtain an image of the subject in a wide angle range, that is, a panoramic image.

Specifically, as the user U adjusts the rotation angle of the camera module 100 by dragging the surface of the display unit 30 , each part of the subject is displayed on the display unit 30 . can

Hereinafter, a method in which the user U rotates the camera module 100 through the display unit 30 will be described with reference to FIGS. 5A to 6B .

5A shows a case in which the camera module 100 rotates to the left on the ground, and the optical axis direction of the camera module 100 also rotates to the left on the ground. In FIG. 5B , when the optical axis direction of the camera module 100 is arranged in FIG. 5A , the appearance of the subject photographed through the camera module 100 is shown on the display unit 30 .

As shown in FIG. 5B , in the state of FIG. 4B , the user U drags the surface of the display unit 30 from the ground in the right direction, so that the left part of the subject not shown in FIG. 4B may appear in FIG. 5B .

At this time, as shown in FIG. 5A , when the user U drags the surface of the display unit 30 from the ground to the right, the camera module 100 rotates to the left on the ground and does not appear in FIG. 4B . The left part of the subject may appear on the display unit 30 .

6A illustrates a case in which the camera module 100 rotates to the right on the ground, and the optical axis direction of the camera module 100 also rotates to the right on the ground. In FIG. 6B , when the optical axis direction of the camera module 100 is arranged in FIG. 6A , the appearance of the subject photographed through the camera module 100 is shown on the display unit 30 .

As shown in FIG. 6B , in the state of FIG. 4B , the user U drags the surface of the display unit 30 in the left direction from the ground so that the right part of the subject not shown in FIG. 4B appears on the display unit 30 . can

At this time, as shown in FIG. 6A , when the user U drags the surface of the display unit 30 from the ground to the left, the camera module 100 rotates to the right on the ground and does not appear in FIG. 4B . A right part of the subject may appear in FIG. 5B .

As described above, the portable terminal including the wide-angle photographing apparatus 10 can obtain a wide-angle image, that is, a panoramic image by adjusting the angle of the camera module 100 to capture images from different angles and combining them.

That is, in the portable terminal of the embodiment, an image of a portion of the subject is photographed by rotating the camera module 100 in one direction, and an image of another portion of the subject is photographed by rotating the camera module 100 in the opposite direction to the one direction. can be combined to complete the entire image of the subject.

Hereinafter, a process of obtaining the panoramic image will be described in detail with reference to FIG. 7 . 7 is a view showing a picture taken by the wide-angle photographing apparatus 10 and the portable terminal according to an embodiment. The picture shown in FIG. 7 can be obtained through the following process.

First, an image of each part of the subject displayed in FIGS. 4B, 5B and 6B is captured. In this case, the images of FIGS. 4B, 5B, and 6B may be photographed regardless of the order.

Next, each image of FIGS. 4B, 5B, and 6B captured by an image processing device (not shown) provided in the portable mobile device may be combined. The image processing apparatus may combine each image to complete one continuous image as shown in FIG. 7 .

In this case, even if a portion in which images captured by rotating the camera module 100 at various angles overlap each other, the image processing apparatus may recognize such overlap and combine them into one continuous image.

In addition, even if a discontinuous part, that is, a missing part, occurs in images captured by rotating the camera module 100 at various angles, the image processing apparatus may recognize and combine the missing part. Of course, if there is such a missing part, the missing part may appear missing from the finished image.

In an embodiment, by adjusting the rotation angle of the camera module 100 to widen the photographing angle of the camera module 100, a wide-angle image can be photographed even in a mobile device.

Although only a few have been described as described above in relation to the embodiments, various other forms of implementation are possible. The technical contents of the above-described embodiments may be combined in various forms unless they are incompatible with each other, and may be implemented in a new embodiment through this.

10: Wide-angle camera
20: second receiving unit
30: display unit
100: camera module
110: coupling groove
200: driving unit
210: bracket
211: bend
220: rotation motor
221: rotating part
222: support
230: through hole
300: base
310: first receiving unit
311: coupling protrusion

Claims (12)

a base including a receiving groove;
a camera module disposed in the receiving groove and configured to photograph a subject;
a first bracket disposed in the receiving groove and coupled to the camera module;
a second bracket disposed in the receiving groove and coupled to the camera module;
a first rotating part coupled to the first bracket and rotating the first bracket; and
and a second rotating part coupled to the second bracket and rotating the second bracket;
The first bracket includes a first body coupled to the first rotating part, a first bent part bent from one end of the first body and coupled to the first side of the camera module, and the other end of the first body bent and a second bent part coupled to a second side opposite to the first side of the camera module,
The second bracket includes a second body coupled to the second rotating part, a third bent part bent from one end of the second body and coupled to the first side of the camera module, and the other end of the second body bent A wide-angle photographing apparatus including a fourth bent part coupled to the second side surface of the camera module. According to claim 1,
The first bracket and the second bracket are disposed on opposite sides of the camera module as a center of the wide-angle photographing apparatus. According to claim 1,
The camera module rotates together with the first to fourth bent parts,
A wide-angle photographing apparatus in which a rotation direction of the camera module and a rotation direction of each of the first to fourth bent parts are identical to each other. According to claim 1,
A wide-angle photographing apparatus comprising a first support portion coupled to the first inner surface of the receiving groove and supporting the first rotating portion. 5. The method of claim 4,
The wide-angle photographing apparatus rotates the rotating part about an axis parallel to a second direction perpendicular to a first direction that is an optical axis direction with respect to the support part. 5. The method of claim 4,
and a second support part coupled to a second inner surface of the receiving groove and supporting the second rotating part. 4. The method of claim 3,
A first coupling groove is formed in a third side connecting the first side and the second side of the camera module,
The first bracket includes a first through hole disposed to correspond to the first coupling groove,
A wide-angle photographing apparatus having the first coupling groove and a first coupling protrusion inserted into the first through-hole formed in the receiving recess. 8. The method of claim 7,
A second coupling groove is formed on a fourth side opposite to the third side surface of the camera module,
The second bracket includes a second through hole disposed to correspond to the second coupling groove,
The wide-angle photographing apparatus is formed in the receiving groove, the second coupling groove and a second coupling protrusion inserted into the second through hole. 9. The method of claim 8,
The first and second coupling protrusions protrude in a direction parallel to a second direction perpendicular to a first direction that is an optical axis direction, and the camera module rotates the center of the first and second coupling protrusions as an axis for wide-angle photography Device. The wide-angle photographing apparatus according to any one of claims 1 to 9;
and a accommodating unit accommodating the base of the wide-angle photographing device. 11. The method of claim 10,
It includes a display unit roll that operates the wide-angle photographing device in a touch screen method on the front side,
A portable terminal in which each part of the subject is displayed on the display unit as a rotation angle of the camera module is adjusted by dragging a surface of the display unit. 11. The method of claim 10,
Portable to complete the entire image of the subject by combining the image of a portion of the subject photographed by rotating the camera module in one direction and the image of another portion of the subject photographed by rotating the camera module in the opposite direction to the one direction terminal.

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