KR20060073291A - Mobile communication terminal equipped with rotary microphone set - Google Patents

Abstract

The present invention relates to a mobile communication terminal having a rotary microphone set to enable the rotation of a microphone according to the position of a sound source when capturing a video of oneself or another using a camera included in the mobile communication terminal.

According to an aspect of the present invention, there is provided a mobile communication terminal including a microphone for inputting a sound signal and a camera capable of capturing a subject, wherein the microphone is included therein, and both sides of the microphone include a support for rotation. It provides a mobile communication terminal having a rotary microphone set, characterized in that it comprises a rotary microphone set to enable the change of.

According to the present invention, by using a rotatable microphone set including a microphone so that the sound signal in the direction of the camera can be effectively input during video recording, and also automatically rotated or fixed to the camera direction when switching or canceling the video recording mode Rotation to the position has the effect of eliminating the inconvenience of manual operation of the microphone set.

Mobile terminal, rotary microphone

Description

Mobile Communication Terminal Equipped with Rotary Microphone Set}

1 is a front view and a rear view of a conventional slide-type camera phone,

2a is a perspective view of a mobile communication terminal according to the present invention;

2b and 2c are front and rear views of the microphone set according to the present invention;

2d is an exploded perspective view illustrating a coupling relationship between a microphone set and a rotating device according to the present invention;

3 is a front view of a clamshell mobile communication terminal according to a second embodiment of the present invention;

4 is a perspective view of a camcorder-type mobile communication terminal according to a third embodiment of the present invention.

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

100: conventional mobile communication terminal fixed microphone

110: main body 120: microphone

130: keypad 140: function keys

150: LCD 160: slide section

170: earpiece 180: camera

190: guide rail                 

200: mobile communication terminal having a rotary microphone set

210: microphone set 212: microphone

214: shaft 216: cable outlet

218: rotary device connection portion 220: the main body

222: rotary device 224: geared motor pile

226: geared motor holder 228: geared motor

230: keypad 240: function keys

250: LCD 260: slide section

270: camera set 280: rotation key button

310: microphone set 410: microphone set

420: camera

The present invention relates to a mobile communication terminal having a rotary microphone set. More specifically, the present invention relates to a mobile communication terminal having a rotary microphone set that enables the rotation of a microphone according to the position of a sound source when capturing a video of oneself or another using a camera included in the mobile communication terminal.

Conventional mobile communication terminals generally functioned as a voice call means, but as communication technology and manufacturing technology of mobile communication terminals have been rapidly developed recently, a multifunctional mobile communication terminal capable of meeting various needs of consumers has been released and commercialized. .

Recently commercialized mobile communication terminal provides various functions such as game, internet search, receiving and sending E-mail, payment, etc. in addition to voice call function. Is appearing. Accordingly, the user can take a shape of an object or take a picture of himself or herself using a camera phone, and transmit the captured image to another person.

Recently, the most popular type of camera phone is a folding type and a slide type configured to enlarge the LCD screen.

1A and 1B are front and rear views of a conventional slide type camera phone, respectively.

1A and 1B, a conventional slide-type camera phone 100 includes a keypad 130 for inputting text or various symbols and a microphone 120 for inputting a sound signal. 110 is coupled to overlap the front surface of the main body 110 in a slidable structure parallel to the front of the main body 110, LCD (Liquid Crystal Display: 150) for outputting characters, various symbols and images, And a slide unit 160 having a front surface of the earpiece 170 for outputting sound and a function key 140 for executing a special function.

Therefore, the user can slide the slide unit 160 upward to open the front surface of the main body 110 to input characters or various symbols using the keypad 130 while the keypad 130 and the microphone 120 are exposed. In addition, a phone call may be made using the microphone 120 and the earpiece 170.

The slide unit 160 has a guide rail 190 that guides the direction of movement of the sliding motion at the rear side, and the main body 110 is a guide rail at a portion corresponding to the guide rail 190 when coupled with the slide unit 160. It is coupled to the 190, and having a coupling portion (not shown) formed to enable the sliding movement in the state coupled with the guide rail 190 is configured to perform a sliding movement along the direction of the guide rail 190 have.

In addition, a battery for power supply is mounted on the rear of the main body 110, and a camera 180 for capturing an image is provided at the upper rear.

When the user wants to photograph a specific object or another person in front of the mobile communication terminal equipped with the camera as described above, point the camera in the direction of the object or other person in front of the camera and take a photographing distance while viewing the image output on the LCD provided in the cover. If you have a rotating camera set, you can rotate the camera set in your direction and then use the LCD on the cover. You can shoot while watching the video. In addition, even in the case of a fixed camera, you can take a picture of yourself through a mirror reflecting the image taken by the camera.

However, as the number of pixels of a camera increases and an internal memory increases, a function of allowing a mobile communication terminal equipped with a camera not only to function as a digital camera but also to record a video for a long time like a camcorder is expanded.                         

Unlike still images, sound recording is essential when shooting a video such as a camcorder. In the case of a mobile communication terminal equipped with a conventional camera, video recording is possible and sound recording is possible with the video.

The conventional mobile communication terminal equipped with a camera did not have a microphone 120 for sound recording when shooting a video, but used a microphone used for a voice call as it is.

The microphone used in a conventional voice call is generally located below the keypad of the mobile communication terminal so that the user can most effectively transmit the voice during the voice call, and the microphone is placed in front of the mobile communication terminal in the direction of the user's mouth. It is installed.

As described above, in the case of the mobile terminal in which the microphone is fixed in one direction, the self-shooting of the user's video directly has the advantage of simultaneously recording and recording his or her own video and audio. If you need to shoot another person, the microphone's position does not face the front, so you can't effectively record the sound in front of you.

In addition, in recent years, in the light of the trend toward the advancement of the acoustic performance of mobile communication terminals such as MP3 function, high-resolution stereo or 3D sound function, the sound recorded in a different direction from the image being recorded is recorded. There has been a problem in that the limitation of the quality improvement of the video recorded by the terminal is revealed.

 Therefore, the present invention has been invented to solve the above problems, by using a rotatable microphone set including a microphone so that the sound signal in the direction of the camera can be effectively input when shooting a video, and also a rotating device including a geared motor The microphone set can be automatically rotated to eliminate the inconvenience of manual operation of the microphone set, and a rotary microphone set which automatically rotates to the camera direction or rotates to the right position when the video recording mode is switched or released is provided. It is an object of the present invention to provide a mobile communication terminal.

In order to achieve the above object, the present invention provides a mobile communication terminal including a microphone for inputting a sound signal and a camera capable of photographing a subject, including the microphone therein, and support parts for rotation on both sides of the microphone. It provides a mobile communication terminal having a rotary microphone set comprising a rotary microphone set to enable the change of the direction of the microphone, including.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

2A is a perspective view of a mobile communication terminal according to the present invention in which a microphone set is separated, and FIGS. 2B and 2C are front and rear views of the microphone set according to the present invention, respectively, and FIG. 2D is a microphone set according to the present invention. An exploded perspective view showing a coupling relationship of a rotating device for rotating a microphone set.

In the mobile communication terminal according to the first exemplary embodiment of the present invention, as shown in FIGS. 2A to 2D, a microphone set 210 for inputting an acoustic signal and a keypad 230 for inputting letters or various symbols are provided. And a main body 220 including a battery (not shown) for power supply and a structure slidable with respect to the main body 220, a function key 240 for executing a special function, and outputting various information and images. The LCD 250 includes a slide unit 260 including a camera set 270 for capturing a subject.

The microphone set 210 will be described in detail with reference to FIGS. 2B and 2C.

The microphone set 210 includes a microphone 212 therein, and has a rotation shaft 214 protruding in a horizontal direction on one side thereof, and rotates the microphone set 210 to be described later on the other side of the shaft 214 and coaxially. It has a cylindrical shape with a rotating device connecting portion 218 for connection with the rotating device 222 to make.

In this case, the microphone 212 is inserted into the microphone set 210 and is fixed to face the front surface which is initially in the same direction as the keypad.

In addition, the rotary shaft 214 formed in the microphone set 210 is formed with a slit-shaped cable outlet 216 that serves as a cable passage for transmitting a signal to the microphone 212. At this time, the shape of the cable outlet 216 is not necessarily limited to the slit shape, it can be changed to a suitable shape according to the type of cable.

The microphone set 210 described above is coupled to the microphone set mounting hole formed at the bottom of the main body 220 of the terminal to achieve a rotatable state.

Here, the microphone set mounting hole is formed in a size and shape that can be mounted to the microphone set 210, and has a rotating shaft receiving hole that can be coupled to the rotating shaft 214 formed on the microphone set 210, coaxial with the rotating shaft receiving hole The other side of the line is provided with a connection device (not shown) for connecting the rotary device 222 and the microphone set 210 for rotating the microphone set 210 to be described later.

Figure 2d is an exploded perspective view showing a coupling relationship of the microphone set and the rotating device for rotating the microphone set according to the present invention.

Referring to FIG. 2D, a rotation device 222 for rotating the microphone set 210 and a coupling relationship between the microphone set 210 and the rotation device 222 will be described in detail.

A rotating device 222 for rotating the microphone set 210 in accordance with an electrical signal is mounted in the main body 220 coaxial with the rotation shaft 214 of the microphone set 210 and includes a geared motor 228 with a reduction gear. Geared motor holder 226 for accommodating the geared motor 228 and the rotating device connecting portion 218 formed in the microphone set 210 to transfer the rotational force of the geared motor 228 to the geared motor dummy 224. It is configured to include.

At this time, the connection between the rotary device 222 and the microphone set 210 for rotating the microphone set 210 is made through a connection hole formed in the microphone set mounting hole of the main body 220. That is, the rotational force of the geared motor 228 by coupling the geared motor dummy 224 coupled with the geared motor 228 with the rotating device connecting portion 218 formed in the microphone set 210 through a connection hole formed in the microphone set mounting hole. It is transmitted to the microphone set 210 to be rotated.

On the other hand, the rotating device 222 for rotating the microphone set 210 is controlled by a controller (not shown) to operate only in the camera mode for video shooting. In the voice call mode or the still image capturing mode, the microphone set 210 is always fixed in the correct position for a telephone call, that is, the position where the microphone 212 formed in the microphone set 210 faces the front of the mobile communication terminal. .

However, when the video recording mode is switched, the control unit automatically switches the position of the microphone according to the direction of the camera. For example, in the case of the so-called 'self-shooting' to take a picture of yourself in the mode for shooting video, the position of the camera is directed toward the shooting self. In this case, the position of the microphone 212 is the original home position mobile communication. You can take a picture of yourself while recording your voice facing the front of the terminal. On the other hand, in the case of taking pictures of others in front of the object and the voice or sound of others in the front it is necessary to record the microphone set 210 so that the position of the microphone 212 toward the front.

The operation of the microphone set 210 can be automatically controlled by the control unit according to the position of the camera, and the microphone set 210 during video recording by attaching the rotary key button 280 to the side of the mobile communication terminal. ), The microphone set 210 according to the user's convenience may be manually operated so that the user can take an image while selectively recording not only the other's voice but also his / her own voice.

In addition, in the mobile communication terminal according to the first embodiment of the present invention, when the camera mode for image capturing is released, the rotating device 222 is operated by the control of a controller (not shown) so that the microphone set 210 makes a phone call. For the correct position, that is, the microphone 212 is automatically adjusted to the position to face the front of the mobile communication terminal. Therefore, it is possible to avoid the hassle of having to rotate the microphone set 210 to retake the image and then readjust the microphone set 210 again for a telephone call.

3 is a front view of a clamshell mobile communication terminal according to a second embodiment of the present invention.

As shown in FIG. 3, the mobile communication terminal according to the second embodiment of the present invention communicates with a keypad for inputting a character or various symbols, a function key for executing a special function, a camera capable of photographing a subject, and a base station. Rotatable about the main body and the main body, including a rotatable cylindrical microphone set 310 and a rotating device for rotating the microphone set, including an antenna for the battery, a battery for power supply, a microphone for input of a sound signal It is connected to the hinge device so that it is a clamshell mobile communication terminal consisting of an earpiece for sound output, a cover including a LCD for outputting various information and images.

In this case, the microphone set 310 and the rotating device have the same structure and function as the microphone set 210 and the rotating device 222 described with reference to FIG. 2A, and the microphone set 310 is equipped with a microphone set formed at the bottom of the main body. It is coupled to a microphone set fitting having the same structure as the sphere.

4 is a perspective view of a camcorder-type mobile communication terminal according to a third embodiment of the present invention.

As shown in FIG. 4, the camcorder-type mobile communication terminal includes an earpiece, a keypad, a function key, an LCD, a microphone, and the like which are components of a general mobile communication terminal. Similar to a communication terminal.

However, there is a difference in that the shooting direction of the camera 420 is directed toward the side of the mobile communication terminal, unlike the general slide type or folder type mobile communication terminal in the direction of the camera 420. Therefore, the microphone direction of the camcorder-type mobile communication terminal should be directed toward the side that matches the direction of the camera 420. Therefore, as shown in FIG. 4, the microphone set 410 is disposed on the side or side surface of the mobile communication terminal. It is included so that the general voice call is directed to the front of the terminal, and when the video recording, the direction of the microphone is directed to the side.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, by using a rotatable microphone set including a microphone, the sound signal in the direction of the camera can be effectively input during video recording, and the microphone is automatically used by using a rotating device including a geared motor. The set can be rotated to alleviate the inconvenience of manual operation of the microphone set, and when the video recording mode is switched or released, the camera automatically rotates to the camera or rotates to the correct position. In order to solve the inconvenience of having to operate the key separately.

Claims (8)

A mobile communication terminal comprising a microphone for capturing a subject and a microphone for inputting an audio signal, And a rotary microphone set including the microphone therein and a rotary microphone set on both sides of the microphone including a support for rotation to change the direction of the microphone. The method of claim 1, The rotary microphone set is a mobile communication terminal having a rotary microphone set, characterized in that located below the main body of the mobile communication terminal. The method of claim 1, The rotary microphone set is provided with a rotary microphone set, characterized in that located on the side or side lower surface of the mobile communication terminal body. The method of claim 1, And a rotary device coupled to the rotary microphone set, the rotary microphone set rotating the rotary microphone set according to an electrical signal. The method of claim 4, wherein The rotary device for rotating the rotary microphone set is a mobile communication terminal having a rotary microphone set, characterized in that it comprises a geared motor with a built-in reduction gear. The method of claim 4, wherein The rotating device for rotating the rotary microphone set is a mobile communication terminal having a rotary microphone set, characterized in that automatically controlled by the control unit to rotate the direction of the microphone automatically in accordance with the direction of the camera in the video recording mode. The method of claim 4, wherein And the direction of the microphone is automatically controlled to face the front of the mobile communication terminal in a voice communication state when the video recording mode is released. The method of claim 4, wherein And the mobile communication terminal further comprises a rotary key button for driving the rotary device for rotating the microphone set.

Images