KR101312116B1 - Multi-media player with beam projector - Google Patents

Abstract

PURPOSE: A multimedia player with an integrated beam projector is provided to allow a user to enjoy multimedia content in a large-sized screen using a beam projector integrated in a player and an external speaker. CONSTITUTION: A multimedia player with an integrated beam projector comprises a main body (100) and a speaker (200). The main body comprises a first communication unit to perform wireless data communication with an external device; a first power source unit to supply power; a first manipulation unit (130) to receive a control operation signal from a user; a storage unit to store multimedia content input from an input terminal bar; a media play unit to output an image signal and an acoustic signal by replaying the multimedia content in the storage unit; and a beam output unit to process and output an input image signal as a beam through an optical system (161); and a first control unit to control the media play unit according to the control operation signal from the first manipulation unit, transmit the image signal to the beam output unit and output the acoustic signal through the first communication unit. The speaker is removably installed at the main body.

Description

Beam projector integrated multimedia player {MULTI-MEDIA PLAYER WITH BEAM PROJECTOR}

The present invention relates to a multimedia player, and in detail, a beam projector that outputs an image is configured to be detachable from the main body, and can receive multimedia contents easily through a speaker that outputs sound by wirelessly receiving an audio signal from the main body. A beam projector integrated multimedia player.

Computers in the early stages of development could only process texts, but with the development of technology, modern computers have been able to process multimedia, a variety of media consisting of voice, graphics, and video. Since multimedia media mainly deal with video and sound, the amount of information to be processed is enormous. Therefore, in order to process and transmit them, high-speed transmission lines, exchange technology for providing various bandwidths, and video and audio signal processing technologies are required. need.

However, in recent years, hardware and application software for handling multimedia have been rapidly developed and applied to various fields of society such as video conferencing, electronic publishing, virtual reality, various entertainment, medical care, education, and broadcasting. In addition, it is possible to easily enjoy multimedia contents such as video, which is representative multimedia contents, multimedia contents such as digitized language, music, photography, and art through computer or equivalent multimedia device.

Accordingly, in addition to a computer which is a basic device having a content playback function, various devices capable of playing multimedia contents have been developed and are commercially available, and most of them have been released in the form of small and light portable devices in accordance with their functions.

Such a portable device-type multimedia content playback apparatus is configured to listen to audio using earphones or headphones, and to listen to video using a built-in LED or LCD panel. In addition, depending on the user's needs, it is possible to connect to an external speaker, a video output device such as a monitor or a TV, and to listen to it. In addition, there was an inconvenience in handling the cable, and there was a burden of having a separate speaker and a video output device.

On the other hand, the existing multimedia content reproduction apparatus has a limitation of the image area for outputting the image, and in order to overcome such limitation of the image area, a beam projector is usually used. Such a beam projector is conventionally used mainly for a school class or a company presentation because of its relatively large size and high price, but recently, the size of the beam projector is gradually decreasing and the price is lowered.

However, the existing projectors are not designed for homes or offices with stylish interiors because they are designed with a boxy box design, which focuses on functionality rather than design. There was an inconvenience to output the sound using a separate device.

The present invention was created to solve the above problems, and an object of the present invention is to embed a beam projector in the main body to output the image and sound when playing multimedia content, so that the speaker can be attached to the main body The present invention relates to a beam projector integrated multimedia player capable of increasing space utilization.

In order to achieve the above object, the present invention provides a multimedia player comprising a main body and a speaker detachable to the main body, comprising: a first communication unit performing wireless data communication with an external device, a first power supply unit supplying power, and a user; A first operation unit for receiving a control operation signal, a storage unit for storing multimedia content inputted from a predetermined input terminal, a media player for reproducing the multimedia content of the storage unit, and outputting a video signal and an audio signal; A beam output unit for processing an image signal and outputting it as a beam through an optical system, and receiving the power from the first power supply unit and controlling the media play unit according to a control operation signal of the first operation unit to output the beam signal A main body having a first control unit configured to transmit a sound signal and to transmit a sound signal through the first communication unit; A body detachably attached to the main body, wherein the body includes a second communication unit performing data communication with the first communication unit, a second power supply unit supplying power, and a sound signal received through the second communication unit. A speaker including a sound output unit for outputting audible sound and a second control unit for receiving power from the second power supply unit and controlling the second communication unit and the sound output unit; Characterized in that consists of.

The main body is formed of a support portion, and a pillar portion formed vertically above the support portion, the upper part of the optical system of the beam output unit is installed to adjust the beam output angle, the body of the speaker is fitted to the pillar portion hollow It is preferable that the addition is formed in a donut shape.

At this time, the speaker further includes a second operation unit for receiving a control operation signal from the user outside the body, the second control unit adjusts the output level of the sound output unit in accordance with the control operation signal input through the second operation unit, The control unit may be configured to transmit a control signal through the second communication unit, and the first control unit may be configured to receive a control signal from the first communication unit to control the media play unit.

The outer side of the speaker body is supplied with power from the second power supply unit is operated by a signal of the second operation unit, and may further include an LED lamp unit for emitting light in the downward direction outside the body.

The main body has a plurality of cooling holes formed to penetrate the support portion, a cooling fan for sucking air into the support portion through the cooling hole, and the pillar portion to discharge the air sucked through the cooling fan and circulated inside the main body. It may further comprise a heat radiation hole formed in.

The pillar portion is fixed to the lower side is coupled to the support portion and the upper side has an inclined surface toward the front portion, and the lower side is rotated in contact with the upper side inclined surface of the fixing portion and the upper side to emit a beam in the longitudinal direction It may be made of a rotating unit provided with the optical system of the beam output unit.

The pillar portion further includes a first charging portion for emitting a charging current by using the power of the first power supply portion to the outside, the body of the speaker to charge the second power supply portion through the charging current emitted through the first charging portion. It may further include a second charging unit.

The pillar portion of the main body may further include a mood lamp portion that receives power from the first power supply portion and operates by a signal of the first manipulation portion, but emits light to the front portion of the pillar portion.

The main body further includes an auxiliary sound output unit for outputting the input sound signal so that the user can listen, the first control unit to control the media playback unit to input the output sound signal to the auxiliary sound output unit Can be configured.

Preferably, the first manipulation unit includes a touch screen configured to provide a user with information of the multimedia content stored in the storage unit and the multimedia content played through the media player.

The present invention enables the multimedia content to be viewed on a large screen through a beam projector and an external speaker that are integrally provided in the main body, and in particular, the speaker is not only separated from the main body but also serves as a remote controller for controlling the main body. Maximize space utilization and provide very convenient user environment.

In addition, since a wireless data communication is performed between the main body and the speaker, the inconvenience caused by the cable can be eliminated, and at the same time, the aesthetics due to the stylish design can be exhibited.

In addition, due to the structure in which the speaker in the main body is detachable, it is easy to store and reduce the storage space, it is possible to effectively prevent damage or loss of the speaker when moving.

1 is a perspective view showing the appearance of the main body according to a preferred embodiment of the present invention,
Figure 2 is a perspective view showing the appearance of the speaker according to an embodiment of the present invention,
3 is a perspective view showing a state in which the speaker is coupled to the main body of the present invention,
4 is an operation view showing the angle adjustment of the beam output unit in the present invention,
5 is a block diagram showing a configuration and a connection relationship according to a first embodiment of the present invention;
6 is a block diagram showing a configuration and a connection relationship according to a second embodiment of the present invention;
7 is a block diagram showing a configuration and a connection relationship according to a third embodiment of the present invention.

Hereinafter, a structure of a beam projector integrated multimedia player according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the appearance of the main body according to a preferred embodiment of the present invention, Figure 2 is a perspective view showing the appearance of the speaker according to a preferred embodiment of the present invention, the present invention is a beam projector integrated multimedia player is the main body 100 and The main configuration is made of a speaker 200 detachable to the main body 100.

Looking at the detailed internal configuration of the main body 100 and the speaker 200 Figure 5 is a block diagram showing the configuration and connection relationship according to a first embodiment of the present invention, the main body 100 is first communication unit 110 ), A first power supply unit 120, a first operation unit 130, a storage unit 140, a media playback unit 150, a beam output unit 160, and a first control unit 180. Done.

The first communication unit 110 is a configuration corresponding to a short-range communication module for performing wireless data communication with an external device, and can be implemented through various short-range communication means. In the embodiment of the present invention, the low power ( 100Hz) will be used to operate the Bluetooth method. In particular, since the Bluetooth method divides the frequency band, the data transmission can be divided and transmitted over several frequencies, and the data can be transmitted through walls or other furniture in the room, thereby giving a data signal regardless of the wiring arrangement or connection situation. I can receive it.

In addition, the frequency characteristic is also transmitted in all directions, so there is no need to maintain a constant angle to connect each device, so that the communication is made regardless of the direction in which the speaker is located, and many countries around the world comply with the Bluetooth standard. As a result, the same technology can be used anywhere in the world.

The first communication unit 110 performs a function of transmitting a sound signal mainly to the speaker 200 in the present invention, but in some cases also with a computer equipped with a smart terminal (smartphone, smart pad, etc.), a wireless communication function You can send and receive multimedia content data.

The first power supply unit 120 is a part for supplying the power required for each configuration inside the main body so that the power can be supplied from the outside, the present invention is designed so that the cable is not required by using wireless communication rechargeable battery It is preferable to implement using. That is, the first power supply unit 120 is configured to charge the battery by receiving power supply from the outside, and in this case, the external power may be supplied through an adapter or a USB cable for rectifying the home AC power.

The first manipulation unit 130 is formed on the front portion of the main body 100 and is configured to receive various control operations required for playing media content such as fast forwarding and rewinding, including playing multimedia content from a user, and simply a mechanical button. Although it may be implemented through, it is more preferable to implement through the touch screen 131 suitable for the digital environment.

The storage unit 140 may be read / write as a memory means for storing multimedia content of a video file format represented by MPEG, video files of various formats, digital sound source files such as MP3, image files, etc., It is composed of digital memory means of various shapes and capacities according to the needs of users. At this time, the main body 100 is provided with an input terminal 109 of the USB (Universal Serial Bus) method that can access the storage unit 140, the storage via the input terminal 109 Various media contents can be stored in the unit 140. In addition, a USB type external memory may be connected to the input terminal 109, and the media content stored in the external memory may be loaded.

When the storage unit 140 is formed of a built-in memory, in addition to a method of receiving and storing contents by connecting to a computer or the like through a USB cable connected to the input terminal 109, the first communication unit 110 according to a user's request. You can also receive and store media content from an external digital device with wireless communication.

The media player 150 is a component for reading and playing media content from the storage 140 and outputting a video signal and an audio signal. To this end, it is equipped with various codecs for playing various video files and sound source files, and a program for playing. If the video signal does not include a video signal like a sound source file, only an audio signal is output. If all are included, both the video signal and the audio signal are output.

The beam output unit 160 processes an image signal input in the same configuration as that of a small beam projector and outputs it as a beam through the optical system 161. According to the type of device for implementing the image, a CRT (Cathode Ray Tube) is usually used. It is implemented using projection, liquid crystal display (LCD) projection, digital light processing (DLP) projection, and liquid crystal on silicon (LCos) projection. In general, a small projector is selected from among the remaining methods except the old CRT projection method.

The first control unit 180 serves as a CPU for controlling each component inside the main body 100, and receives power from the first power supply unit 120 to provide the first communication unit 110 and the first operation unit 130. ) And the storage unit 140 and the media player 150, and in particular, the media player 150 is controlled from the storage unit 140 according to the control operation signal of the first manipulation unit 130. The video signal outputted by reading and playing multimedia content is output through the beam output unit 160, and the sound signal is output through the first communication unit 110 together with the volume level input through the first operation unit 130. Will be sent.

The sound signal transmitted through the first communication unit 110 is output for the user to hear through the speaker 200. To this end, the speaker 200 includes a body 210 detachably attached to the main body 100, and the body 210 includes a second communication unit 220, a second power supply unit 230, and an audio output unit ( 250 and a second control unit 260 are incorporated.

The second communication unit 220 is configured to perform data communication with the first communication unit 110 and is made of the same wireless communication module as the first communication unit 110, and mainly through the first communication unit 110. The transmitted sound signal is received.

In the accompanying drawings, only one speaker 200 is provided, but a plurality of speakers may be provided according to a user's need. In this case, a unique identification code is provided to the second communication unit 220 of each speaker 200. The identification of each speaker 200 during communication with the first communication unit 110 is possible, and the first control unit 180 is configured to differentially transmit sound signals to each of the second communication unit 220 through this. Can be.

The sound output unit 250 serves to convert and output the input sound signal so that the user can listen to the sound.

The second power supply unit 230 is a part for supplying power required for the internal configuration of the speaker 200, the speaker 200 can be separated from the main body 100, as the sound signal is transmitted through a wireless method The battery is powered by a rechargeable battery that does not require a power cable connection. As described above, the second power supply unit 230 including the rechargeable battery includes a terminal 213 such as a USB for receiving power from the outside, and when the power is exhausted, the user connects the power supply cable to the terminal to connect the second power supply 230 to the terminal. Although it may be possible to charge, it is preferable that the second power source 230 is charged by the power supplied from the main body 100 by the speaker 200 in contact with the main body 100.

The second controller 260 serves as a CPU for controlling internal components of the speaker 200. Specifically, the second controller 260 receives power from the second power source 230 and outputs sound from the second communication unit 220. While controlling the unit 250, the sound signal received through the second communication unit 220 is output through the sound output unit 250 at a corresponding volume level.

The first controller 180 is configured to allow the user to adjust the volume level of the sound to be output through the sound output unit 250 of the speaker 200 through the first manipulator 130. The volume level according to the operation control signal is included in the sound signal to be transmitted.

Figure 3 is a perspective view showing a state in which the speaker is coupled to the main body of the present invention, Figure 6 is a block diagram showing the configuration and connection relationship according to a second embodiment of the present invention in Figures 1 to 3 in the second embodiment of the present invention. As described above, the speaker 200 is attached to the main body 100 in a specific shape and some components for the convenience of the user are added. In the following description of the embodiment, a description of the same configuration that performs the same function as the above-described first embodiment will be omitted.

First, the main body 100 is composed of a support portion 101 and a pillar portion 105 formed vertically on the support portion 101 as shown in Figs. This is a shape to maximize the space utilization while being refined, the support portion 101 has a sufficient lower area such that the main body 100 does not fall to form a gentle curve as a whole. In addition, the optical system 161 of the beam output unit 160 is installed on the upper portion of the pillar portion 105, and the user can arbitrarily adjust the angle of the output beam.

4 is an operation view showing the angle adjustment of the beam output unit in the present invention, specifically, the pillar portion 105 is the inclined surface of the lower side is coupled to the support portion 101 and the upper side toward the front portion as shown in FIG. The optical system 161 of the beam output unit 160 and the fixed portion 106 and the lower side is rotated in contact with the inclined surface of the upper side of the fixing portion 106 and the beam is emitted in the longitudinal direction on the upper side It may be made of a rotating part 107 is installed.

At this time, the lower side of the rotating part 107 is formed with the same inclination angle as the upper side of the fixing part 106, when the lower side of the rotating part 107 and the upper side of the fixing part 106 facing each other when contacted The beam output through the optical system 161 will be the same vertical direction as the traveling direction of the pillar portion 105. Then, as the user rotates the rotating unit 107, the angle of the beam output through the optical system 161 is gradually lowered. If the inclination angle of the lower side of the rotating unit 107 and the upper side of the fixing unit 106 is equal to 45 degrees, the angle of the beam output through the optical system 161 can be adjusted up to 90 degrees.

At this time, a phenomenon in which the image plane output through the optical system 161 rotates together with the rotation of the rotating unit 107 occurs. Preferably, the rotation angle of the rotating unit 107 is detected and the image plane is correspondingly connected. A method of compensating for rotation can be used. That is, the rotational compensation value of the image plane is set to the rotation angle to the portion where the rotation part 107 is perpendicular to the pillar part 105 in the same direction or at the maximum angle.

By using this to direct the beam output at night to the ceiling to project the appearance of a star or the universe to create an indirect lighting effect to stabilize the mind and body, through the rotation of the rotating part 107 front of the main body 100 Projecting the beam toward the side can enjoy the multimedia content while the user is sitting.

In addition, the body 210 of the speaker 200 is preferably made of a donut shape in which the hollow portion 211 is formed to be fitted to the pillar portion 105 as shown in FIG. At this time, the pillar portion 105 has a conical pillar shape of a shape that gradually narrows toward the upper side rather than the cylinder, so that the speaker 200 can be easily inserted and the inserted speaker 200 is fixed to a portion of the pillar portion. To help.

In the second embodiment of the present invention, the speaker 200 further includes a second operation unit 240 that receives a control operation signal from a user to the outside of the body 210 as shown in FIG. The second manipulator 240 is required for playing media content such as fast forwarding and rewinding, including multimedia content, without the user approaching the main body 100 while the speaker 200 is separated from the main body 100. In order to input various control operations, the controller 200 is configured to receive the same control operation as the first manipulation unit 130 so that the user can use the speaker 200 as a remote controller.

In this case, the second control unit 260 adjusts the output level of the sound output unit 250 when the control operation signal input through the second control unit 240 is a volume control signal, and controls the second control unit 240. When the control operation signal input through the control signal of the media player 150 for controlling the multimedia content playback operation is configured to send a control signal to the main body 100 through the second communication unit 220.

In addition, the first controller 180 is configured to receive the control signal transmitted from the speaker 200 through the first communication unit 110 to control the media playback unit 150.

When the beam projector integrated multimedia player is disposed on a table, an LED lamp unit 212 is formed outside the speaker body 210 so that the beam projector integrated multimedia player can be used as a stand type light. At this time, the LED lamp unit 212 is supplied with power from the second power supply unit 230 to operate by the signal of the second operation unit 240 to emit light, but emits light in the outer downward direction of the body 210 By emitting it, it can be used as a table light.

In general, since the beam projector generates a lot of heat, a structure for effective cooling of the beam output unit 160 is formed in the present invention. To this end, the main body 100 has a plurality of cooling holes 103 formed to penetrate one side of the support part 101 and a cooling fan that sucks air into the support part 101 through the cooling hole 103. 104 and a heat dissipation hole 108 formed in the pillar portion 105 to discharge the air sucked through the cooling fan 104 and circulated inside the main body 100.

Since the inside of the pillar portion 105 has a relatively narrow space, the storage unit 140 including the first communication unit 110, the first manipulation unit 130, the media playback unit 150, and the first control unit ( 180 is located inside the support 101. In addition, in the case of the beam output unit 160, even if the optical system 161 for outputting a beam is located in the rotating unit 107, a circuit for processing an image signal is located inside the support unit 101. Accordingly, the external air is forced into the cooling hole 103 through the cooling fan 104 to generate a flow of air into the support 101 and the pillar 105, and finally the cooling of the optical system 161 is performed. Finished air is configured to be discharged through the heat dissipation hole (108).

FIG. 7 is a block diagram illustrating a configuration and a connection relationship according to a third embodiment of the present invention. In the third embodiment of the present invention, the speaker 200 contacts the main body 100 with the second power supply 230. To be charged, such as the mood lamp unit 102 and the auxiliary sound output unit 170 has been added to further enhance the user's convenience.

First, the pillar portion 105 is configured to supply power to the first power supply portion 120 to the outside so that the second power supply portion 230 can be automatically charged while the speaker 200 is fitted to the pillar portion 105. Further comprising a first charging unit 190 for emitting a charging current by using, the body 210 of the speaker 200 is the second power supply unit 230 through the charging current emitted through the first charging unit 190 ) Is provided with a second charging unit 270.

In this case, the first charging unit 190 and the second charging unit 270 may be provided with a contact with each other, and the contact may directly contact the charging current so that the second power supply unit 230 may be charged. The non-contact method of converting the charging current of the first charging unit 190 to an alternating current so that the second charging unit 270 is located within the electromagnetic field range and converts the alternating current induced by the second charging unit 270 into a direct current. It can also be configured to be charged.

In addition, the pillar portion 105 of the main body 100 is supplied with power from the first power supply unit 120 is operated by the signal of the first operation unit 130, but emits light to the front of the pillar portion 105 The lamp further includes a lamp unit 102. In general, the mud lamp means a configuration that emits a soft light so as to give a sense of stability at night, in the present invention, the lighting effect for the table stand use the same as the LED lamp unit 212 configured in the speaker 200 It is to include a function indicating, so that the lighting effect can be provided through the present invention without a separate light.

In addition, the main body 100 has an auxiliary sound output unit 170 for outputting the sound signal so that the user can hear the user separately from the speaker 200 is formed outside the pillar portion 105, the first control unit 180 ) Is configured to input the sound signal output by controlling the media player 150 to the auxiliary sound output unit 170. Through this, even when a problem occurs due to lack of power of the speaker 200, it is possible to listen to the sound and provide an environment in which effects such as multi-channel sound or stereoscopic sound can be realized in connection with the speaker 200.

In addition to the function of inputting an operation control signal, the first operation unit 130 confirms the information of the multimedia content stored in the storage unit 140 and the multimedia content played through the media player 150. By configuring the touch screen 131 so that the user can easily check the current operating state.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

100: main body 101: support
102: mood lamp portion 103: cooling hole
104: cooling fan 105: pillar portion
106: fixed part 107: rotating part
108: heat sink 109: input terminal
110: first communication unit 120: first power supply unit
130: first operation unit 131: touch screen
140: storage unit 150: media playback unit
160: beam output unit 161: optical system
170: auxiliary sound output unit 180: first control unit
190: first charging unit 200: speaker
210: body 211: hollow part
212: LED lamp unit 213: terminal
220: second communication unit 230: second power supply unit
240: second operation unit 250: sound output unit
260: second control unit 270: second charging unit

Claims (10)

In the multimedia player consisting of a main body 100 and a speaker 200 detachable to the main body 100,
A first communication unit 110 for performing wireless data communication with an external device, a first power supply unit 120 for supplying power, a first operation unit 130 for receiving a control operation signal from a user, and a predetermined input terminal ( A storage unit 140 storing the multimedia content input from 109, a media player 150 for reproducing the multimedia content of the storage unit 140 and outputting a video signal and an audio signal, and the input video signal. The media output unit 160 receives the power from the beam output unit 160 and outputs the beam through the optical system 161, and receives the power from the first power supply unit 120. A main body (100) having a first control unit (180) configured to control the 150 and transmit the output image signal to the beam output unit (160) and transmit the sound signal through the first communication unit (110);
A body 210 detachably attached to the main body 100, the body 210 having a second communication unit 220 for performing data communication with the first communication unit 110, and a second power supply unit for supplying power; 230, a sound output unit 250 for outputting a sound signal received through the second communication unit 220 so that a user can listen, and the second power supply unit 230 receiving power from the second power unit 230. A speaker 200 having a second controller 260 for controlling the communication unit 220 and the sound output unit 250; Beam projector integrated multimedia player, characterized in that consisting of.
The method of claim 1,
The main body 100 has a support 101 and a pillar formed vertically above the support 101, and having an optical system 161 of the beam output 160 mounted thereon to adjust the beam output angle. Consisting of a portion 105,
The body 210 of the speaker 200 is a beam projector integrated multimedia player, characterized in that the hollow portion 211 is formed in a donut shape to be fitted to the pillar portion 105.
3. The method of claim 2,
The speaker 200 further includes a second operation unit 240 that receives a control operation signal from the user to the outside of the body 210,
The second controller 260 adjusts the output level of the sound output unit 250 according to a control operation signal input through the second manipulator 240 or transmits a control signal through the second communication unit 220. Is configured to
The first controller (180) is a beam projector integrated multimedia player, characterized in that configured to receive the control signal from the first communication unit (110) to control the media player (150).
The method of claim 3,
The outside of the speaker body 210 is supplied with power from the second power supply unit 230 is operated by the signal of the second operation unit 240, LED lamp unit for emitting light in the downward direction outside the body 210 A beam projector integrated multimedia player, characterized in that it further comprises (212).
3. The method of claim 2,
The main body 100 includes a plurality of cooling holes 103 formed to penetrate the support portion 101, a cooling fan 104 that sucks air into the support portion 101 through the cooling holes 103. And a heat dissipation hole (108) formed in the pillar portion (105) to discharge air circulated through the cooling fan (104) and circulated inside the main body (100).
3. The method of claim 2,
The pillar portion 105 has a fixing portion 106 formed so that the lower side is coupled to the support portion 101 and the upper side has an inclined surface facing the front portion, and the lower side is in contact with the upper inclined surface of the fixing portion 106. Beam projector integrated multimedia player, characterized in that consisting of a rotating part 107 is installed on the upper side and the optical system 161 of the beam output unit 160 to emit a beam in the longitudinal direction.
3. The method of claim 2,
The pillar portion 105 further includes a first charging portion 190 for emitting a charging current by using the power of the first power supply portion 120 to the outside,
The body 210 of the speaker 200 further includes a second charging unit 270 that charges the second power supply unit 230 through a charging current emitted through the first charging unit 190. Beam projector integrated multimedia player.
3. The method of claim 2,
The pillar portion 105 of the main body 100 receives the power from the first power supply unit 120 is operated by the signal of the first operation unit 130, the mood lamp for emitting light to the front portion of the pillar portion 105 Beam projector integrated multimedia player, characterized in that it further comprises a part (102).
The method of claim 1,
The main body 100 further includes an auxiliary sound output unit 170 for outputting the input sound signal so that the user can hear,
The first controller (180) is a beam projector integrated multimedia player, characterized in that configured to input the sound signal output by controlling the media playback unit 150 to the auxiliary sound output unit (170).
The method of claim 1,
The first manipulation unit 130 includes a touch screen 131 configured to provide a user with information of multimedia content stored in the storage 140 and the multimedia content played through the media player 150. Beam projector integrated multimedia player, characterized in that.

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