KR20060009152A - Speaker for portable device - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker for a portable device, and more particularly, by attaching a micro speaker to a portable terminal or using a separate micro speaker for the portable terminal, the sound close to the original sound of each frequency band (low, medium, and high) can be obtained. In order to be able to listen with high sound quality, and more specifically, the micro speaker structure is implemented in a variable structure so that the user can use a high quality speaker while being able to mount it in a small space in a narrow space of the portable terminal. The present invention relates to a variable micro speaker that can be inserted / removed into a portable terminal using a portable micro speaker that can be carried by a user so that the user can listen to high quality music.

Handheld terminal, variable type, speaker, sonic, connector, woofer,

Description

Mini Speaker for Portable Devices {Speaker for portable device}

1 illustrates a structure in which a micro (micro) variable speaker according to the present invention is used by being interfaced to a portable terminal,

Figure 2 shows the overall coupling process of a portable micro (micro) variable speaker,

3 illustrates a cross-sectional view of the ultra-small (micro) variable speaker of FIG.

Figure 4A shows a view of one side of the ultra-small (micro) variable speaker of the present invention,

Figure 4B shows the appearance of the other side of the ultra-small (micro) variable speaker of the present invention,

5 is a front view showing a front view of a portable terminal equipped with an ultra-small (micro) variable speaker having a main section cross-section of the present invention;

Figure 6 illustrates an embodiment of a side view of a portable terminal equipped with a micro (micro) variable speaker of the present invention,

7 is a front view of a portable terminal equipped with a conventional general speaker.

※ Explanation of code for main part of drawing

101: portable terminal 102: micro speaker

103: amplifier 104: woofer speaker

202: End cap 205: Primary sound pain

206: secondary sound tube 207: speaker hole cap

The present invention relates to a portable miniature variable speaker device used in a portable terminal or an MP3 player. More specifically, in addition to the basic speaker mounted on the portable terminal, the user can additionally combine the portable variable speaker of the present invention to reproduce the sound close to the original sound through low, medium and high sound equalization of each frequency band. In addition, the present invention relates to an ultra-stable, variable speaker device capable of outputting high sound quality with greater output.

Recently, as the use of portable terminals has rapidly increased, the functions and performance of the terminals have been improved, and as a result, the internet, video, MP3, and various melodies are implemented as well as receiving and sending through the terminals.

7 is a front view of a portable terminal equipped with a conventional general speaker. The terminal includes a display unit 702 including a speaker 701 and an LCD, a camera module 703 and a button unit 704 for allowing a user to input a key. The speaker 701 may be implemented in a dual structure. However, only the speaker 701 is difficult to implement the Internet, video, MP3, melody and the like. That is, since the speaker 701 has a frequency range of 800 to 10 KHz and a frequency range capable of playing a video, MP3, VOD, etc. having a frequency band of 20 Hz to 20 Khz, is limited, it is almost impossible to implement a frequency sound of a low frequency band. There was a problem such that it is impossible to achieve sufficient original sound reproduction.

In addition, there is a problem that the speaker 701 alone is insufficient to satisfy a desire for high output of the user. Therefore, the present invention is to provide a means for solving the above-mentioned problems by using a separate speaker in addition to the speaker 701.

An object of the present invention is to solve such a problem in the prior art, in addition to the general speaker that is basically mounted in the portable terminal to provide a portable ultra-compact and variable speaker.

Another object of the present invention is to provide an ultra-small portable variable woofer speaker for additionally providing a bass region in addition to a tweeter speaker of a high-pitched region mounted in a portable terminal.

It is another object of the present invention to provide a portable terminal additionally equipped with a variable micro speaker in order to provide a high output to the user, in addition to the basic speaker mounted in the portable terminal.

Still another object of the present invention is to provide a user interface so that a user can select and use only the basic speaker, the micro variable speaker, or both at the same time by mounting a micro variable speaker additionally installed in addition to the basic speaker in the portable terminal. Is in.

Portable variable speaker device according to the present invention for achieving the above object is a sound for the first sound pipe and the first sound pipe for transmitting the sound of the speaker and the speaker for the audio signal input through the audio signal interface It consists of a variable adjustable second sound tube to transmit,

In addition, the speaker device of a portable device equipped with a very small variable speaker according to the present invention includes a first speaker for outputting an audio signal, a display unit and

Each of the features includes a button part for user input and an ultra-small second speaker capable of varying a sound box.

Hereinafter, exemplary embodiments of the ultra-small variable speaker device and the speaker device of the portable terminal equipped with the variable speaker of the present invention will be described with reference to the accompanying drawings.

Figure 1 shows an overall block diagram of the ultra-compact speaker system of the present invention. 1 and 2 will be described first. Portable terminals or MP3 players 101 are generally equipped with tweeter and squawker speakers that generate sound in the high and medium frequency band (1 Khz or more). In addition, due to the miniaturization of the portable terminal 101, there is a big limitation in mounting a high output speaker. Accordingly, the present invention provides a portable ultra-sized variable second speaker 102 to provide a portable second speaker in addition to the output of the speaker that the user of the portable terminal or MP3 player is basically equipped to listen to music at a higher output. Provide. As an example, the interface means for interfacing the portable terminal 101, which is the portable device of FIG. 1, and the portable micro speaker 102, is an example of an audio output of the portable terminal using the audio connector 201 of FIG. The amplifier 103 of the speaker 102 is transferred. In addition, a Bluetooth or infrared wireless module (not shown) may be mounted on the portable terminal 101 and the micro speaker 102 to communicate audio signals wirelessly with each other. The audio signal transmitted to the amplifier 103 is amplified and delivered to the woofer speaker 104. Here, a rechargeable battery 106 is built into the micro speaker 102 to supply power to the amplifier 103, and the battery is connected to the portable terminal when the micro speaker 102 is connected to the portable terminal. Always recharge through In this case, the power line may be incorporated in the audio jack 201 of FIG. 2. The woofer speaker 104 in the micro speaker 102 is a speaker for reinforcing the bass sound and outputs only an audio signal of 20 to 900 Hz, for example, a low frequency audio signal such as a cannon sound. In the present invention, a general tweeter speaker may be used to double the high power to the user without being limited to mounting the woofer speaker 104. When the portable mini speaker 102 to which the woofer speaker 104 is applied is used as the audio jack 201 or the wireless interface (not shown) of FIG. The portable miniature woofer speaker of the invention simultaneously outputs an audio signal, giving the user the effect of listening to a sound close to the original. That is, the treble of the first speaker and the bass of the woofer speaker 104 are harmonized to provide the effect of the original sound. In Fig. 1, the variable sound box 105 which delivers the output of the woofer speaker 104 is provided so that the audio output can be heard by the user with a greater high output and original sound. The variable echo ring 105 will be described taking the first and second sound cylinders 209 of FIG. 2 as an example. The sound source is transferred to the first sound tube 205 of FIG. 2 and the second sound tube 206 which is moved in both directions within the first sound tube 205. In this case, if the first and second barrels 209 are made variable, the user can carry it in a small size, and when used in the portable terminal 101, the length of the portable ultra small variable speaker 102 can be determined. There is an advantage that can be increased to the maximum to enjoy the desired high-quality music. 2 and 3 and 4 will be described later as parts corresponding to the same reference numerals but different from each other. Figure 2 shows the overall coupling process of a portable ultra-small (micro) variable speaker, the user is carrying a portable and larger than the basic speaker of the present invention in addition to the basic speaker of the portable terminal 101 or MP3 player, A high output can be enjoyed, and when the speaker of FIG. 2 is implemented as the woofer speakers 203 and 204, the listener can be made to listen to a desired bass sound. The audio connector 201 is connected to an audio output jack (not shown) of the portable terminal 101 and simultaneously inserted into an end cap 202 to deliver the audio output to the audio socket 203. . Here, the audio socket 203 includes the amplifier 103 of FIG. 1 and the rechargeable battery 106. The signal lines of the audio socket 203 are connected to the woofer speaker 204 by soldering. The signal amplified by the audio socket 203 is transmitted to the woofer speaker 204 to output sound. Here, it will be described that the woofer speaker is mounted as a preferred embodiment, and a tweeter speaker or other speakers may be used. The end cap 202 surrounds an integrated body of the audio socket 203 and the woofer speaker 204, and is coupled to the A portion of the first resonance tube 205. The end cap 202 and the A portion of the primary sound barrel 205 are all implemented with a screw thread so as to be rotated and combined with each other. Other coupling means may also be used. The output of the woofer speaker 204 is continuously transmitted to the secondary sound barrel 206 past the primary sound barrel 205. The secondary sound cylinder 206 is assembled by inserting in the A portion of the primary sound cylinder 205 at the time of assembly. The output of the speaker allows the user to listen to music through a plurality of holes (D) of the speaker hole cap 207. The speaker hole cap 207 is coupled to and fixed to the secondary sound cylinder 206 using a screw 208. Next, a cross-sectional view of the portable mini speaker 102 of FIG. 3 will be described as an example. In FIG. 3, the audio connector 301 is the audio connector 201 of FIG. 2, and the end cap 302 corresponds to the end cap 202 of FIG. 2. The remaining parts also correspond to each other in FIGS. 2 and 3. The thread D of the primary sound barrel 305 of FIG. 3 and the thread A of the end cap 302 are rotated to engage each other. The F in the primary sound barrel 305 is implemented by using a bushing member that is formed by inserting a small cylinder, such as a ring (ring) of approximately the same size as the cylinder of the primary sound cylinder. That is, in a state in which the secondary tone barrel 306 is inserted, the engaging portion, which is the G portion of the secondary tone barrel 306 when the user increases the secondary tone barrel 306 to the maximum length while varying the primary tone barrel 305, To the bushing part, which is the part of F). The bushing material, which is the F portion of the primary sound barrel 305, and the catching portion, which is the F portion of the secondary sound barrel 306, may be used in other ways as well as in one embodiment of the present invention. The audio output of the portable terminal 101 passes through the primary and secondary sound cylinders 305 and 306 and receives the sound desired by the user through the speaker hole of the speaker hole cap 307 of FIG. 3. In FIG. 2, the secondary sound tube 206 is variably moved in a cylindrical structure smaller than the inside of the primary sound tube 205. Here, the variable speakers of FIGS. 2, 3, and 4 are implemented in a cylindrical shape as one embodiment of the present invention, but may be implemented at any time in other shapes. When the user does not use the portable speaker, the J portion formed by the threaded portion of the speaker hole cap 307 of FIG. 3 and the E portion formed by the threaded portion of the primary sound barrel 305 are rotated and stored in a state in which they are held together. Do it. In other words, the length of the secondary sound tube 206 is smaller than or substantially equal to that of the primary sound tube 205. In addition, the speaker hole cap 307 of FIG. 3 is formed with a plurality of speaker holes, and is coupled to and fixed to the H portion of the secondary sound cylinder 306 by using a screw 308. When the user wants to use the portable variable speaker, first, the threaded portion J of the speaker hole cap 307 and the threaded portion E of the primary sound barrel 305 are rotated in opposite directions, and the coupling is performed. Loosen, and grab the speaker hole cap 307 portion and pull the length of the secondary sound tube 206 portion to extend the length to enjoy the desired music. The audio socket 303 of FIG. 3 is the audio socket 203 of FIG. 2 and part C is connected to the woofer speaker 304 as an audio signal.

4A and 4B are views seen from one side and the other side of the ultra-small (micro) variable speaker of the present invention. When the user wants to use the portable variable speaker of the present invention in addition to the portable terminal, first, the audio jack 401 of FIGS. 4A and 4B is connected to the audio output jack (not shown) of the portable terminal, and then the speaker hole By pulling the cap 405, the length thereof can be changed to listen to the desired music. Here, it is shown that the lengths of the primary sound barrel 403 and the secondary sound barrel 404 are variable by the user.

Since the remaining parts have already been described above, further description will be omitted.

FIG. 5 is a front view of a portable terminal equipped with an ultra-small (micro) variable speaker that has been processed with a main section of the present invention. The micro speaker system 102 of Fig. 1 of the present invention is applied to a portable terminal and shows a combined configuration. In FIG. 3, the audio jack 301 and the end cap 302 are not necessary in the implementation of FIG. 5. Instead, the audio amplifier 501 directly receives the output of a device (not shown) from an internal audio device. Alternatively, the audio amplifier 501 may alternatively be implemented in an audio device (not shown) inside the cellular phone terminal. In FIG. 5, the speaker 505 is a general speaker, and some terminals currently have two speakers to implement stereo. The portable terminal includes a display unit 504 and a hinge unit 506 for opening / closing the display unit 504 in a folder type, a camera module 507, and a button unit 508 for a user to input a key. And the amplifier and the woofer speaker 501 of the present invention, the primary sound cylinder 502, the secondary sound and the speaker is made of a speaker hole cap 503 and the like is equipped with a variable speaker. The present invention provides a user menu that allows a user to select and use the variable woofer speaker 501, 502, 503 or the general speaker 505 according to the music. If the user has selected both the woofer speakers 501, 502, 503 and the speaker 505 to use both, the audio output control unit (not shown) outputs the output of the audio device (not shown) to the woofer speakers 501, 502, 503. And the speaker 505 to provide the user with high output and music close to the original sound. In consideration of the remaining battery power or according to the user's preference, if the user selects a speaker from among the woofer speakers 501, 502, 503 or the speaker 505, the audio output control unit (not shown) provides a corresponding output. If the user selects only the woofer speakers 501, 502, 503, the user may only listen to the music of the bass and may further increase the battery usage. In addition, the selection of both provides the advantage of enjoying the high output and the sound close to the original sound by the proper combination of the general speaker 505 and the woofer speakers 501, 502, 503. Here, the woofer speaker 501, 502, 503, which is one of the features of the present invention, is mounted on the hinge 506, and only when the user uses the speaker 501, 502, 503, the screw thread of the speaker hole cap 405 of the speaker 503 is removed. Rotate and open first to change the length of the secondary sound tube 404 to listen to the desired music. In addition, there is a big advantage to provide the user with the desired music by mounting the ultra-small in the mobile phone terminal of the present invention. In addition, the variable speaker is mounted on the hinge 506 of the portable terminal in a very small size, and the primary sound barrel 502 is fixed to the inside of the portable terminal in order to reproduce the original sound of high output, Secondary sound tube and speaker hole cap 503 is used to variably adjust the length of the speaker to allow the user to enjoy more efficient high power and original sound. Here, the woofer speaker 501, 502, 503 may be mounted on the camera module 507 instead of the camera module. This allows the user to listen to the desired music at a higher quality.

FIG. 6 illustrates a side view of a portable terminal equipped with the micro speakers 501, 502, 503 of FIG. 5. The portable terminal shows a display unit 605, an antenna 604, an upper case 602 and a lower case 603 with a key button, a battery 606, and a compact variable speaker 601 of the present invention. . The ultra-stable variable speaker 601 may be implemented as a configuration coupled between the upper case 602 and the lower case 603 as another embodiment in addition to the configuration mounted on the hinge portion described above in FIG. have. The present invention is equipped with a variable speaker consisting of ultra-small first and second sound cylinders inside a portable terminal or an MP3 player, thereby providing an effect that can satisfy the desire of users who want high output and original sound reproduction.

The above-described preferred embodiments of the present invention are disclosed for purposes of illustration, and those skilled in the art can improve, change, and replace various other embodiments within the technical spirit and scope of the present invention disclosed in the appended claims below. Or addition may be possible.

The portable ultra-compact speaker according to the present invention as described above may be connected to a portable terminal or an MP3 player in a wired or wireless manner to serve as an additional speaker in addition to the basic speaker inside the portable terminal or the ultra-compact variable in the portable terminal. It is a very useful invention that provides the effect of mounting the speaker to allow the user to listen to the high power and sound close to the original sound.

Claims (12)

And a first sound tube for transmitting the sound source of the speaker and a speaker for the audio signal input through the audio signal interface, and a second sound tube that is combined with the first sound tube to transmit and variably adjust the sound source. Speaker device system. The method of claim 1, The speaker device system, characterized in that further comprises a woofer speaker. The method of claim 1, The speaker device system further comprises an audio socket and an end cap surrounding the speaker. The method of claim 1, The speaker device system further comprises a speaker hole cap coupled with the second sound tube. The method of claim 1, The audio signal interface further comprises an audio jack or a wireless interface. The method of claim 1, And extending the second sound barrel to a maximum, wherein the bushing member of the first sound barrel and the catching portion of the second sound barrel are fixed to be interlocked with each other. A portable device comprising a display unit and a button unit for user input, the speaker device system comprising a very small speaker that can vary the sound in the predetermined space of the portable device. The method of claim 7, wherein And the second speaker is a woofer speaker, and further comprises mounted to a hinge portion of the portable device. The method of claim 7, wherein The second speaker is a speaker device system, characterized in that further comprises a first sound pipe and a second sound pipe. The method of claim 7, wherein The speaker device system, characterized in that the first speaker or the second speaker further comprises an audio output is controlled according to the user's selection. The method of claim 7, wherein The ultra-small second speaker further comprises an end cap surrounding the audio socket and the woofer speaker. The method according to claim 7 and 9, The ultra-small second speaker further comprises a speaker hole cap coupled to the second sound cylinder.

Images