KR100992672B1 - Mobile terminal having zoom camera - Google Patents

Abstract

The present invention relates to a mobile terminal having a zoom function camera, comprising: a terminal body having a camera accommodating portion formed thereon to enable light to be incident on one side; A camera module disposed in the camera accommodating unit so as to be photographed; A lead screw disposed along the optical axis direction incident on the camera module inside the camera accommodation portion; At least one magnification adjusting lens is disposed inside the camera accommodating part so that the magnification adjusting lens is positioned in front of the camera module along the axial direction of the light incident on the camera module, and one side is relative to the lead screw. A lens housing possibly contacted; It characterized in that it comprises a screw drive motor for rotating the lead screw. Accordingly, a zoom function camera having an optical zoom function so that the size of an image can be easily adjusted is provided.

Description

Mobile terminal with zoom camera {MOBILE TERMINAL HAVING ZOOM CAMERA}

1 is a perspective view of a mobile terminal having a conventional camera,

FIG. 2 is a cross-sectional view of the camera area along line II-II of FIG. 1;

3 is a perspective view of a mobile terminal having a zoom function camera according to an embodiment of the present invention,

4 is a view showing an expanded state of FIG.

5 is an enlarged cross-sectional view taken along the line VV of FIG. 3;

6 is a view for explaining the operation of FIG.

Explanation of symbols on the main parts of the drawings

10: terminal body 11: lower folder

21: upper folder 29: camera housing

31: camera module 32: lens unit

35: lead screw 37: driven gear

38: screw drive motor 40: drive gear

41: lens housing 45,55: magnification adjusting lens

47: working protrusion 51: module housing

57: electric gear 61: guide bar

The present invention relates to a mobile terminal having a zoom camera, and more particularly, to a zoom camera having an optical zoom function to easily adjust the size of an image to enhance user convenience. It relates to a mobile terminal provided.

1 is a perspective view of a mobile terminal having a conventional camera, and FIG. 2 is a cross-sectional view of the camera region along the line II-II of FIG. 1. As shown in these figures, a mobile terminal having a camera includes a terminal body 110 having a lower folder 111 and an upper folder 121 coupled to each other so as to be rotatable relative to each other, and a terminal body 110. It has a camera 130 to be coupled. The lower folder 111 is accommodated in the main PC ratio (not shown) and the like with a built-in control program, the upper surface is provided with a plurality of input buttons 113 to input the operation signal. One side of the input button 113 is provided with a microphone 115 to input auditory information, and one side edge in the longitudinal direction fixed hinge portion 117 to support the upper folder 121 to be rotatable Is formed.

An LCD panel 123 is provided on the inner side of the upper folder 121 to output predetermined visual information, and a speaker 125 is installed on one side of the LCD panel 123 to output auditory information. have. A movable hinge portion 127 is formed at one edge along the longitudinal direction of the upper folder 121 so as to correspond to the fixed hinge portion 117 so as to be coupled to the lower folder 111 so as to be relatively rotatable.

On the other hand, the camera 130 for imaging is provided on one side of the fixed hinge portion 117 so as to be relatively rotatable. The camera 130 is formed in a cylindrical shape in which the see-through window 132 is formed to allow light to enter, and has a housing 131 coupled to one side of the fixed hinge portion 117 so as to be relatively rotatable, and the inside of the housing 131. The camera module 133 is fixed to the optical axis along the optical axis direction. One end of the camera flexible PC 135 connected to the main PC is connected to one side of the camera module 133.

However, in the mobile terminal having such a conventional camera, the housing 131 is coupled to one side of the fixed hinge portion 117 so as to be relatively rotatable and the camera module 133 fixedly disposed inside the housing 131. There is a problem that the user must move the terminal body 110 in order to obtain an enlarged image or image of the subject because it is not equipped with an optical zoom function.

Accordingly, an object of the present invention is to provide a mobile terminal having a zoom function camera that can enhance the user's convenience by providing an optical zoom function so that the size of an image can be easily adjusted.

The above object, according to the present invention, the terminal body is provided with a camera accommodating portion to enable the incidence of light on one side; A camera module disposed in the camera accommodating unit so as to be photographed; A lead screw disposed along the optical axis line direction incident to the camera module inside the camera accommodation portion; At least one magnification adjusting lens is disposed inside the camera accommodating part so that the magnification adjusting lens is positioned in front of the camera module along the axial direction of the light incident on the camera module, and one side is relative to the lead screw. A lens housing possibly contacted; It is achieved by a mobile terminal having a zoom function camera, characterized in that it comprises a screw drive motor for rotating the lead screw.

Here, it is preferable that the lens housing further comprises a guide bar which is arranged side by side on the opposite side of the lead screw to guide the movement of the lens housing.

The screw driving motor further includes a drive gear disposed so that the rotating shaft is parallel with the lead screw, the driving gear is integrally rotatably coupled to the rotating shaft of the screw driving motor, and the driven gear integrally rotatably coupled to the lead screw. It is effective.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

3 is a perspective view of a mobile terminal having a zoom camera according to an embodiment of the present invention, FIG. 4 is a view showing a developed state of FIG. 3, and FIG. 5 is an enlarged view taken along the line VV of FIG. 3. 6 is a cross-sectional view illustrating the operation of FIG. 5. As shown in these figures, the mobile terminal having the present zoom function camera includes a terminal body 10 in which a camera accommodating portion 29 is formed so that light can be incident therein, and an inside of the camera accommodating portion 29. A lead disposed in parallel with the optical axis incident on the camera module 31 disposed on the camera unit 31 and the lens unit 32 of the camera module 31 on one side of the internal camera module 31 of the camera accommodation unit 29. A screw 35, a screw drive motor 38 for rotating the lead screw 35, and a magnification adjusting lens 45 are provided in the camera accommodating part 29, and one side of the screw drive motor 38 is provided. It is configured to include a lens housing 41 to adjust the magnification of the image captured by the camera module 31 in contact with the relative movement.

The terminal body 10 includes a lower folder 11 provided with a plurality of input buttons 13 and an LCD panel 23 so as to input signals on the upper surface thereof, so that the terminal body 10 can move relative to the lower folder 11. It is provided with an upper folder 21 to be coupled.

One side of the input button 13 of the lower folder 11 is provided with a microphone 15 to enable the input of voice information, the upper edge along the longitudinal direction so that the upper folder 21 can be rotatably supported. The fixed hinge portion 17 is formed.

An LCD panel 23 is provided on the inner side of the upper folder 21, and a speaker 25 is provided on the LCD panel 23 so as to output audio information. A sub LCD panel 28 is provided on an outer surface of the upper folder 21, and a movable hinge portion 27 is formed at one side edge thereof in the longitudinal direction so as to be relatively rotatable to the fixed hinge portion 17. have.

On the other hand, one side of the sub-LCD panel 28 is formed with a camera accommodating portion 29, the upper region is opened in the thickness direction, the entrance hole 42 to allow light to enter into the camera accommodating portion 29 The lens housing 41 is formed therein and is accommodated. Inside the camera accommodating portion 29, a lead screw 35 for driving the lens housing 41 on one side with the lens housing 41 therebetween is arranged along the optical axis direction, and on the opposite side the lens housing ( The guide bar 61 is provided in parallel with the lead screw 35 so that the movement of 41 can be performed.

The lens housing 41 has a reduced size compared to the lens housing 41 and has a module housing 51 in which the camera module 31 is accommodated, and the module housing 51 has light therein. The through hole 52 is formed to correspond to the entrance hole 42 so as to be incident. Magnification adjusting lenses 45 and 55 are coupled to the entrance hole 42 and the through hole 52 so as to adjust the magnification of the image incident on the camera module 31.

On one side of the lens housing 41 is formed a working protrusion 47 which is in contact with the screw portion 36 of the lead screw 35 to move relative to the axial direction of the lead screw 35 when the lead screw 35 is rotated. On the opposite side of the working protrusion 47, the guide bar receiving hole is arranged so that the guide bar 61 arranged in parallel with the lead screw 35 can be slidably accommodated so as to guide the movement of the lens housing 41. 48 is formed.

One side of the lead screw 35 is provided with a screw driving motor 38 so that the rotating shaft 39 is arranged in parallel with the lead screw 35, the drive gear 40 on the rotating shaft 39 of the screw driving motor 38. ) Is integrally rotatable.

The lead screw (35) is rotatably coupled to the lead screw (35), and the driving gear (40) and the driven gear (57) transmit the rotational force of the drive gear (40) to the driven gear (57). The electric gears are meshed with each other.                     

By such a configuration, when an operation signal is input from the outside, the control unit (not shown) is screw driven so that the magnification lens of the lens housing 41 approaches or is spaced apart from the lens unit 32 of the camera module 31 so that the magnification can be adjusted. Power is applied to the motor 38. When the screw drive motor 38 is rotated, the drive gear 40 is rotated, and the rotational force of the drive gear 40 is transmitted to the lead screw 35 through the electric gear and the driven gear 57 so that the lead screw 35 is rotated. Will rotate. Accordingly, the working protrusion 47 contacted with the threaded portion 36 of the lead screw 35 is moved up or down in accordance with the rotational direction of the lead screw 35, and the lens housing is moved by the movement of the working protrusion 47. By moving 41 along the optical axis direction, the size of the image picked up by the camera module 31 is adjusted.

As described above, according to the present invention, an optical axis is provided on one side of a terminal body in which a camera accommodating portion is formed so that light can be incident therein, a camera module accommodated in the camera accommodating portion so as to be imageable, and an internal camera module in the camera accommodating portion. A lead screw disposed in parallel with the line, a screw driving motor for rotating the lead screw, and a magnification adjusting lens are accommodated in the camera accommodating part, and one side is in contact with the lead screw to allow relative movement. A mobile terminal having a zoom function camera that can be easily adjusted by providing a lens housing for adjusting the magnification of the image captured by the camera module by moving along the optical axis direction to enhance user convenience. Is provided.

Claims (3)

A terminal body having a camera accommodating portion formed thereon to allow light to be incident on one side thereof; A camera module disposed in the camera accommodating unit so as to be photographed; A lead screw disposed along the optical axis direction incident to the camera module inside the camera accommodation portion; At least one magnification adjusting lens is disposed inside the camera accommodating part so that the magnification adjusting lens is positioned in front of the camera module along the axial direction of the light incident on the camera module, and one side is relative to the lead screw. A lens housing possibly contacted; It includes a screw drive motor for rotating the lead screw, One side of the lens housing is formed with a working protrusion to contact the screw portion of the lead screw so that the lead screw can be moved relative to the axial direction of the lead screw when the lead screw is rotated, the working protrusion is the screw portion of the lead screw And a zoom function camera configured to protrude directly from the side surface of the lens housing so as to partially contact the rotational direction. The method of claim 1, And a guide bar arranged side by side on the opposite side of the lead screw with the lens housing therebetween to guide the movement of the lens housing. The method according to claim 1 or 2, The screw driving motor further includes a drive gear disposed so that the rotating shaft is parallel with the lead screw, the driving gear is integrally rotatably coupled to the rotating shaft of the screw driving motor, and the driven gear integrally rotatably coupled to the lead screw. Mobile terminal having a zoom function camera, characterized in that.

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