KR20050020515A - Camera zooming apparatus for portable terminal - Google Patents

Abstract

PURPOSE: A camera zoom unit of a mobile terminal is provided to allow a mobile terminal to have similar performance to that of a digital camera and a camcorder by implementing a zoom function of a camera lens automatically or manually. CONSTITUTION: An optical unit of a camera(300) of a mobile terminal can be zoomed by means of a zoom controller(400). The optical unit of the camera(300) includes an inner container(320) with an eyepiece(321) installed therein and an outer container(330) with an objective lens(331) installed therein. The zoom controller(400) includes a linear motion mechanic unit(410) for linearly moving the outer container(330) in a longitudinal direction. A rack gear is formed at an outer circumferential surface of the outer container(330) coupled to be linearly movable at the inner side of the first hinge part(231) of a main body. A motor(412) is fixed at an upper portion of the main body. A motor gear(414) is installed between a driving gear(413) fixed at a shaft of the motor(412) and the rack gear.

Description

Camera zoom device for portable terminal {CAMERA ZOOMING APPARATUS FOR PORTABLE TERMINAL}

The present invention relates to a camera zoom apparatus of a portable terminal, and more particularly, to a camera zoom apparatus of a portable terminal to implement a zoom function, which is a camera-specific function, in a portable terminal having a camera function.

A portable terminal including a mobile phone such as a mobile phone having a conventional camera has only been a simple photography function in its function due to the problem of miniaturization. In particular, the spatial constraints for implementing the zoom function were large, making it difficult to implement. So, generally, when shooting a moving picture or still image, you had to buy a digital camera separately and take the inconvenience of carrying it separately.

Hereinafter, a conventional portable terminal will be described in more detail with reference to the accompanying drawings.

1 to 3 are diagrams illustrating a conventional portable terminal with a camera for each type.

1 is a perspective view of a portable terminal in which a camera is fixed to a display panel, in which a main body 10 provided with a keypad 11 and a display 20 provided with a liquid crystal panel (LCD) for displaying an image are hinged ( It is hinged by 30, the camera 21 is installed on the upper surface of the display unit 20.

Therefore, when the user wants to photograph the subject, open the display unit 20 so that the upper surface of the display unit 20 faces the subject, check the image to be photographed on the screen, and then photograph using the keypad 11. Do it.

However, a conventional portable terminal having such a configuration has a disadvantage in that when a user photographs a subject located on the user's side with respect to the portable terminal, the user cannot check an image to be photographed on the screen.

2 is a perspective view of a portable terminal in which a camera is mounted on a hinge portion, in which a main body portion 110 having a keypad (not shown) and a display portion 120 on which a screen is displayed are hinged by a hinge portion 130. The camera 121 is installed in the hinge unit 130.

Since a conventional portable terminal having such a configuration can take a picture by rotating the hinge unit 130, the portable terminal can take a picture while checking an image to be captured on the screen even if the subject is located at either the front or the rear of the user.

However, when the subject is located on the side of the user, it is difficult for the user to check the image through the screen.

3 is a perspective view of a display panel swing-type portable terminal, in which a main body 210 provided with a keypad 211 and a display 220 provided with a display panel 221 such as an LCD on which an image is displayed are hinged 230. Hinged). The hinge part 230 includes a first hinge part 231 hinged so that the folder part 220 can be folded with the main body part 210, and the display part 220 is perpendicular to the first hinge part 231. It consists of a second hinge portion 232 coupled to the first hinge portion 231 so as to rotate freely about the axis of rotation in the direction.

Then, the camera 300 is installed on the side of the first hinge portion 231.

The conventional display panel swing-type portable terminal as described above may not only rotate in a direction in which the display 220 is folded with the main body 210 by the first hinge 231, but also the second hinge 231. The display unit 220 may rotate in the direction perpendicular to the hinge axis of the first hinge unit 231, so that the display unit 220 may face almost all directions.

Therefore, the subject located in any direction can be photographed while the user confirms.

All of the existing portable terminals as described above do not implement the zoom function of the camera, there is a problem that the shooting function is simple.

On the other hand, looking at the prior patent data that can be compared with the present invention , the camera lens mounting apparatus of the clamshell mobile phone known in the Republic of Korea Patent Publication No. 2001-0028989 is a clamshell mobile phone having a main body and a folder, the inside of the main body A microphone is provided on the surface and a plurality of key buttons are installed, and an inner surface of the folder is provided with a liquid crystal display that shows letters and numbers and a speaker that is a receiver, and includes a hinge portion for coupling one end of the folder and the main body. The camera lens is installed in the upper lens hole of the folder, and the camera lens can be rotated forward and reverse by driving the motor so that the camera lens can change direction. It is characterized in that it is installed so that.

Such a camera lens firewood apparatus does not have a zoom function by rotating the camera lens forward and reverse by driving a motor.

In addition, the self-camcorder and camera using a personal handheld device, which is known in Korean Laid-Open Patent Publication No. 2002-0067444, look at the contents described in the application, "If you want to shoot with the LCD screen on the personal handheld device, This remote control allows you to shoot cameras, camcorders, etc., by holding the camera on a tripod, detecting the background and the position of the subject with a positioning satellite system, and sending a signal to a PDA. The PDA displays the current position and background on the LCD screen by viewing the image of the subject on the PDA screen, and adjusts the distance and distance to the remote location to set the proper position and operate the shooting button. It is equipped with various computer functions to connect the received signal with a personal PC in the home and store the data. The camera is equipped with a computer function, or satellite positioning system, to send and receive wireless signals to and from the PDA so that it can be taken anywhere, anytime, anywhere by yourself. The self-camcorder and camera also do not have a zoom function.

In modern times, the functions of mobile phones are becoming more advanced and complex as multimedia devices. However, due to the problem of miniaturization of a mobile phone, there is a disadvantage in that it is difficult to realize sufficient functions in a general camera function.

If the portable terminal implements a zoom function, which is a camera-specific function, a higher performance camera and video recording function may be implemented, and thus, the camera does not need to carry a separate camera.

The present invention has been made to solve the above problems and defects as described above, and the camera zoom device of a portable terminal capable of implementing a more convenient high-performance mobile phone by performing a zoom function, which is a function unique to a general camera, sufficiently. The purpose is to provide.

In order to achieve the above object, the present invention implements a zoom function of a lens, which is a unique function of a general camera and a camcorder, to a camera phone, thereby enabling a high-performance camera phone to be released from a simple function of a conventional camera phone.

First of all, in the case of the folder type, the camera is generally mounted at the center of the folding hinge or at both ends or the side of the hinge. In this case, when the zoom function of the hinge side is implemented, the zoom function is automatically and manually operated. It is possible. In this case, the LCD has an advantage of being implemented when the cover is a rotatable camera.

In the case of a bar type terminal, the camera module is positioned at the left and right sides or the center of the upper end of the terminal.

More specifically, the camera zooming device of the portable terminal according to the present invention is configured such that the optical unit of the camera of the portable terminal equipped with the camera is zoomed by the zoom control unit.

The optical unit of the camera is provided with an inner cylinder with an eyepiece and an outer cylinder with an objective lens, and the zoom adjusting unit includes a linear movement mechanism for linearly moving the outer cylinder in the longitudinal direction.

The linear movement mechanism forms a rack gear on the outer circumferential surface of the outer cylinder which is linearly coupled to the inside of the first hinge portion of the main body, and secures the motor to the upper side of the main body, and a drive gear fixed to the shaft of the motor. It is constructed by installing an electric gear between the rack gears.

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

4 to 6 is a view of a camera zoom device of a portable terminal according to the present invention, Figure 4 shows a perspective view of a portable terminal equipped with the present invention device, Figure 5 is a partial perspective view of a portable terminal equipped with the present invention device 6 illustrates a main configuration diagram of the apparatus of the present invention, and as illustrated therein, a display unit provided with a display panel 221 displaying an image with respect to a main body 210 provided with a keypad 211. 220 is hinged rotatably back and forth, left and right by the first hinge portion 231 and the second hinge portion 232 of the hinge portion 230, the camera 300 is the first hinge portion 231 It is installed to face laterally, and the optical unit 310 of the camera 300 is configured to be zoomed by the zoom control unit 400.

The optical unit 310 of the camera 300 includes an inner cylinder 320 in which the eyepiece 321 is built, and an outer cylinder 330 in which the objective lens 331 is built.

The zoom control unit 400 is a linear movement mechanism 410 for linearly moving the outer cylinder 330 in the longitudinal direction.

The linear movement mechanism 410 forms a rack gear 411 on the outer circumferential surface of the outer cylinder 330 that is linearly coupled to the inside of the first hinge portion 231 of the main body 210, the main body 210 The motor 412 is fixed to the upper side of the (), and the electric gear 414 is provided between the drive gear 413 and the rack gear 411 fixed to the shaft of the motor 412.

Camera zoom device of the portable terminal according to the present invention as described above, for example, if you want to use the zoom function while photographing the subject while using the mobile phone using the keypad 211 provided in the main body portion 210 By driving 412, the outer cylinder 330 is moved inward and outward to adjust zooming of the objective lens 331 with respect to the eyepiece 321.

The conventional display panel swing-type portable terminal as described above may not only rotate in a direction in which the display 220 is folded with the main body 210 by the first hinge 231, but also the second hinge 231. The display unit 220 may rotate in the direction perpendicular to the hinge axis of the first hinge unit 231, so that the display unit 220 may face almost all directions.

7 is a perspective view of a camera zoom apparatus of a portable terminal according to another embodiment of the present invention. As shown in FIG. 7, an adjustment knob 420 is installed on the upper side of the terminal body 210 'like a radio volume dial. By manually rotating the drive gear 413 by the adjusting knob 420 instead of the motor 412 in FIG. 6, the outer cylinder 330 of the optical unit 310 is moved inwards and outwards so that the eyepiece 321 may be moved. Zooming is performed by adjusting the distance between the objective lens 331, and other configurations and operations are as shown in FIG.

The camera zoom device of the portable terminal according to the present invention as described above is a camera application (including a built-in or removable) portable terminal device that implements a zoom function.

In implementing the present invention, the camera can be applied to a camera phone having a zoom function which is operated automatically (other forms using a motor) or manually (forms to protrude a lens by pulling out or turning). .

In addition, the bar type can be applied to a camera phone in which a zoom function that is operated automatically (other forms using a motor) or manually (turns the lens to protrude from the side or top) is implemented.

In addition, the camera zoom function may be applied to the left side, the center portion, the right side, or the rear portion of the terminal body.

Although the above has been described with reference to a preferred embodiment of the present invention, the present invention includes both a mobile terminal with a zoom function, such as a camera phone or a video terminal (camcorder type), which implements a zoom function by other methods in the portable terminal device. By those skilled in the art, it will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention as set forth in the claims below.

In the prior art, attention is paid to the location or method of implementing a camera module in a terminal, and thus, when a camera is mounted, a function or a performance thereof is considerably deteriorated with a general camera. In other words, the camera phone is a simple camera module that controls the size of a person or object, that is, the magnification of the subject and the background, by simply moving the position of the camera phone. However, the present invention has an advantage of enabling a zoom function of a camera lens to be automatically or manually implemented to achieve a performance similar to that of a digital camera and a camcorder as a high performance camera phone.

1 to 3 are diagrams illustrating a conventional portable terminal with a camera for each type.

1 is a perspective view of a portable terminal in which a camera is fixed to a display panel.

2 is a perspective view of a portable terminal in which a camera is mounted on a hinge portion.

3 is a perspective view of a display panel swing-type portable terminal.

4 to 6 are views of the camera zoom device of a portable terminal according to the present invention,

Figure 4 is a perspective view of a portable terminal in which the present invention device is installed.

5 is a partial perspective view of a portable terminal in which the present invention device is installed.

Fig. 6 is a main structural diagram of the device of the present invention.

7 is a perspective view of a camera zoom device of a portable terminal according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

210: body portion 231: first hinge portion

300: camera 310: optical unit

320: inner cylinder 321: eyepiece

330: outer tube 331: objective lens

400: zoom control unit 410: linear movement mechanism

411 rack gear 412 motor

413: Drive Gear 414: Electric Gear

Claims (3)

The camera zoom device of the portable terminal, characterized in that the optical unit 310 of the camera 300 of the portable terminal provided with the camera is configured to be zoomed by the zoom control unit 400. The optical unit 310 of the camera 300 includes an inner cylinder 320 in which the eyepiece 321 is embedded, and an outer cylinder 330 in which the objective lens 331 is embedded, and the zoom is performed. Adjusting unit 400 is a camera zoom device of a portable terminal, characterized in that consisting of a linear movement mechanism unit 410 for linearly moving the outer cylinder 330 in the longitudinal direction. The method of claim 2, wherein the linear movement mechanism 410 is formed on the outer peripheral surface of the outer cylinder 330 coupled to the linear movement inside the first hinge portion 231 of the main body portion 210 to form a rack gear 411 The motor 412 is fixed to an upper side of the main body 210, and an electric gear 414 is installed between the drive gear 413 and the rack gear 411 fixed to the shaft of the motor 412. Camera zoom device of a portable terminal, characterized in that configured to.