KR102255141B1 - Beam projector - Google Patents

Abstract

The beam projector is started. The beam projector includes: a receiving unit for receiving broadcast data through a broadcast network; A projection unit receiving the broadcast data from the receiving unit and projecting the received broadcast data to the outside; A power supply unit that provides driving power of the receiving unit and driving power of the projection unit; It may include; a case in which the receiving unit and the projection unit are accommodated together.

Description

Beam projector equipped with a receiver {BEAM PROJECTOR}

The present invention relates to a beam projector for projecting multimedia data to the outside.

With the advancement of mobile communication technology and terminal hardware and software technology, an era has opened in which users can watch live broadcasts such as DMB through digital terminals or view multimedia videos stored through internal and external memories of terminals. Through this, users can watch mobile TV anytime, anywhere, or store content they want to watch on a terminal and enjoy it, regardless of location.

Such a multimedia video can be viewed through a liquid crystal display (LCD) attached to the terminal or through a separate display connected to the terminal. In addition, it is possible to view the screen in a larger environment by outputting the screen to the outside through the beam projector attached to the terminal.

A beam projector that uses light to illuminate a slide or a moving image on a screen receives an image corresponding to a source from a mobile communication terminal such as a smartphone or a laptop computer. Accordingly, in an environment where it is difficult to easily utilize a mobile communication terminal or a computer, for example, in an underdeveloped area where the spread of smart phones and notebook computers is not active, the utilization of the beam projector is significantly lowered.

In areas where mobile communication networks are poor, communication fees are expensive, so it is suitable to watch multimedia through free broadcasting networks such as T-DMB (Terrestrial Digital Multimedia Broadcasting). A display means capable of receiving and reproducing T-DMB (mobile broadcasting) or DVB-T2 (Digital Video Broadcasting-Terrestrial version 2) digital TV system is required, and a beam projector is advantageous as a display means that can be used by multiple users together. . However, there is a problem in that a mobile communication terminal that provides a source to the beam projector is additionally required. In addition, it is necessary to use various broadcasting networks to satisfy various users.

Korean Patent Publication No. 1306439 discloses a digital terminal device that directly projects 3D data received through a DMB network or a communication network or 3D data stored in a terminal through a 3D projector mounted on a terminal.

Korean Registered Patent Publication No. 1306439

The present invention is to provide a beam projector in which a reception unit, a projection unit, and a power supply unit are all housed in one case.

The beam projector of the present invention comprises: a receiving unit for receiving broadcast data through a broadcast network; A projection unit for receiving the broadcast data from the receiving unit through a wire and projecting the received broadcast data to the outside; A power supply unit that provides driving power of the receiving unit and driving power of the projection unit; It may include; a case in which the receiving unit and the projection unit are accommodated together.

According to the present invention, a beam projector in which a receiving unit, a projection unit, and a power unit are all housed in one case may be provided. The beam projector can establish a broadcast source independent environment that does not require an external broadcast source means such as a mobile communication terminal. Accordingly, with only the beam projector of the present invention, an environment in which broadcast data provided by the broadcast network can be freely viewed within a range affected by the broadcast network can be provided.

The beam projector of the present invention may include a plurality of receiving modules such as a first receiving unit and a second receiving unit. Since a plurality of broadcasting networks can be used through a plurality of receiving modules, there is an advantage in that various broadcasting programs can be provided to users.

According to the present invention, a plurality of receiving modules can be operated together by the power unit. A plurality of broadcast data received from a plurality of receiving modules operating together may be seamlessly provided to the projection unit.

A projection unit receiving a plurality of broadcast data may selectively project any one broadcast data. According to the present embodiment, even if a different broadcasting network is used while watching a specific broadcasting program, a time when a receiving module using a different broadcasting network is newly booted, and a time when a corresponding receiving module operates normally to extract broadcast data from a received signal of an antenna. The initial setting process that requires etc. can be shortened. This is because when a specific receiving module providing a specific broadcast program is booted, other receiving modules are also booted together and are operating normally.

A projection unit receiving a plurality of broadcast data may project a plurality of broadcast data by combining them into one. According to the present embodiment, a plurality of broadcast programs may be displayed on one screen to maximally satisfy tens of users.

The beam projector of the present invention may include a plurality of rotatable directional speakers. Viewers of the first broadcast program displayed on the screen may be gathered at the first location, and viewers of the second broadcast program displayed on the screen may be gathered at the second location. In this case, the angle of the first speaker may be adjusted so that the acoustic axis of the first speaker outputting the first audio data of the first broadcast program faces the first position. The angle of the second speaker may be adjusted so that the acoustic axis of the second speaker outputting the second audio data of the second broadcast program faces the second position. According to the present embodiment, each viewer may be provided with a multimedia environment in which audio data matching the corresponding image data can be heard without noise while viewing image data desired by the viewers.

1 is a block diagram showing a beam projector of the present invention.
2 is a schematic diagram showing a state in which broadcast data is projected.
3 is a schematic diagram showing the operation of the projection unit.
4 is a schematic diagram showing another operation of the projection unit.
5 is a schematic diagram showing the operation of the projector of the present invention.
6 is a diagram illustrating a computing device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are attached to similar parts throughout the specification.

In the present specification, redundant descriptions of the same components are omitted.

In addition, in the present specification, when a component is referred to as being'connected' or'connected' to another component, it may be directly connected or connected to the other component, but other components in the middle It should be understood that may exist. On the other hand, in the present specification, when a component is referred to as being'directly connected' or'directly connected' to another component, it should be understood that there is no other component in the middle.

In addition, terms used in the present specification are only used to describe specific embodiments, and are not intended to limit the present invention.

In addition, in the present specification, expressions in the singular may include plural expressions unless the context clearly indicates otherwise.

In addition, in this specification, terms such as'include' or'have' are only intended to designate the existence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification. It is to be understood that the presence or addition of other features, numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

In addition, in the present specification, the term'and/or' includes a combination of a plurality of listed items or any of a plurality of listed items. In the present specification,'A or B'may include'A','B', or'both A and B'.

In addition, in the present specification, detailed descriptions of known functions and configurations that may obscure the subject matter of the present invention will be omitted.

1 is a block diagram showing a beam projector of the present invention.

The beam projector illustrated in FIG. 1 may include a receiving unit 110, a decoding unit 130, a projection unit 150, a power supply unit 170, and a case 190. A control unit that operates by power of the power supply unit 170 and controls the reception unit 110, the decoding unit 130, and the projection unit 150 may be additionally provided.

The reception unit 110 may receive broadcast data through various broadcast networks. The broadcasting network may include a Terrestrial Digital Multimedia Broadcasting (T-DMB) network, a Satellite Digital Multimedia Broadcasting (S-DMB) network, and a Digital Video Broadcasting-Terrestrial version 2 (DVB-T2) network. Since each broadcasting network is not compatible with each other, a reception module capable of using each broadcasting network may be provided in the reception unit 110 for each broadcasting network. The number of reception modules may be determined by the number of broadcasting networks supported by the reception unit 110.

The projection unit 150 may receive broadcast data from the reception unit 110 through a wire and project the received broadcast data to the outside.

Broadcast data may include program data and multimedia data.

The program data may include program-related control information and program-related service information. Program data may include broadcast channel information, broadcast schedule, and the like.

The multimedia data may include visually recognizable image data (including still images and moving pictures) and audibly recognizable audio data (including various voices and sounds).

The decoding unit 130 may extract data of a desired frequency from broadcast data. The decoding unit 130 may separate and extract program data and multiplexed multimedia data from data of a desired frequency. The decoding unit 130 may decode and reproduce multimedia data. The decoding unit 130 may provide the reproduced multimedia data to the projection unit 150.

The projection unit 150 may project image data to the outside. For example, a plate-shaped screen 109 or a wall, etc. may be provided at a position spaced apart from and facing the projection unit 150. In this case, the screen 109 or the wall (hereinafter referred to as “screen”) may correspond to “outside” on which image data is projected.

The projection unit 150 may be provided with a digital micromirror device, a reflector, a lens, a barrel, a light source, and the like. The projection unit 150 may project program data or multimedia data transmitted from the decoding unit 130 to the outside by using a reflector, a lens, a barrel, and a light source (backlight, etc.). A visual image (image data) projected to the outside may be displayed through a screen 109 or the like disposed at a position spaced apart from the projection unit 150.

In the case 190, the receiving unit 110, the decoding unit 130, and the projection unit 150 may be accommodated together. It is preferable that the power unit 170 is also housed and installed in the case 190.

The case 190 forms the outer shape of the beam projector, and supports a receiving unit 110, a decoding unit 130, a projection unit 150, a power supply unit 170, an input unit 160, and a control unit with respect to the ground. And it can protect each unit from external impact. Due to the case 190 forming the outer shape of the beam projector, the receiving unit 110, the decoding unit 130, the projection unit 150, and the power unit 170 may be distinguished from other terminals.

The power unit 170 may provide driving power of the receiving unit 110, driving power of the decoding unit 130, and driving power of the projection unit 150. The power unit 170 may include a power conversion device built in the case 190 having a converter, a rectifier, etc. for converting external power into DC power required by each unit. When a separate power conversion device separated from the case 190 is provided, the power unit 170 may include a connection terminal such as a connector that can be electrically connected to a separate power conversion device.

The receiving unit 110, the decoding unit 130, and the projection unit 150 may be electrically connected to one common power supply unit 170. In other words, each unit mounted in the case 190 may receive driving power from the common power unit 170 mounted in the case 190. In this case, information transmission and driving power transmission between each unit may be performed by electrical connection through wires.

A plurality of receiving modules may be provided in the receiving unit 110 so that a plurality of broadcasting networks can be used with one beam projector. For example, the receiving unit 110 may be provided with a first receiving unit 111 and a second receiving unit 112.

The first receiver 111 may receive first broadcast data through the first broadcast network 101. For example, the first broadcasting network 101 may include a mobile broadcasting terrestrial digital multimedia broadcasting (T-DMB) network.

The second receiver 112 may receive second broadcast data through the second broadcast network 102. As an example, the second broadcasting network 102 may include a Digital Video Broadcasting-Terrestrial Version 2 (DVB-T2) network, which is a digital TV system.

The projection unit 150 may project at least one of the first broadcast data and the second broadcast data to the outside.

The reception unit 110 may be provided with a first antenna for receiving first broadcast data through the first broadcast network 101 and a second antenna for receiving second broadcast data through the second broadcast network 102. The first antenna and the second antenna are formed separately from each other, and may be mounted together on the case 190. According to this embodiment, there is no need to provide a separate antenna for receiving broadcast data. In addition, the entire first antenna and the second antenna may be isolated from the outside by being accommodated in the case 190. The antenna isolated from the outside can be safely protected from external impact.

Through the first receiving unit 111 and the second receiving unit 112, the receiving unit 110 transmits at least one of the first broadcast data b1 using the first broadcast network 101 and the second broadcast data b2 using the second broadcast network 102. You can receive one.

The decoding unit 130 may have a first decoding unit 131 and a second decoding unit 132.

The first decoding unit 131 may separate the first program data p1 and the first multimedia data m1 from the first broadcast data b1, and decode and reproduce the first multimedia data m1.

The second decoding unit 132 may separate the second program data p2 and the second multimedia data m2 from the second broadcast data b2, and decode and reproduce the second multimedia data m2.

The projection unit 150 may externally project at least one of the first multimedia data m1 and the second multimedia data m2. Each of the multimedia data m1 and m2 may include visual image data and audio audio data. In this case, the projection unit 150 may project visual image data to the outside.

In a state in which the first receiver 111, the second receiver 112, the first decoder 131, and the second decoder 132 are provided, the power unit 170 is Regardless of whether (102) is selected, power may be simultaneously provided to the first receiver 111, the second receiver 112, the first decoder, and the second decoder 132. According to the present embodiment, the first receiver 111, the second receiver 112, the first decoder 131, and the second decoder 132 may all operate normally at the same time point. Accordingly, the first multimedia data m1 may be output from the first decoder 131 at the same time point, and the second multimedia data m2 may be output from the second decoder 132. Regardless of the selection of the first broadcasting network 101 and the second broadcasting network 102, the first multimedia data m1 output from the first decoding unit 131 and the second multimedia data m2 output from the second decoding unit 132 May be provided with the projection unit 150. As a result, the projection unit 150 may be ready to project both the first multimedia data m1 and the second multimedia data m2.

When the first broadcasting network 101 is selected, the projection unit 150 in the ready state can project only the first multimedia data m1 to the outside.

When the second broadcasting network 102 is selected during projection of the first multimedia data m1, the projection unit 150 excludes the initial setting process of the second broadcasting data, and is already provided by the second decoding unit 132. Multimedia data m2 can be projected directly to the outside. According to the present embodiment, even if the second broadcasting network 102 is selected by the user while using the first broadcasting network 101, the second receiving unit 112 and the second decoding unit 132 related to the second broadcasting network 102 ) No initial driving time or initial setting time is required. A different delay time may not occur when switching between a plurality of channels using the same broadcasting network. On the other hand, switching between different broadcasting networks takes a delay time such as an initial setting time. This is because power is basically supplied only to the devices related to the first broadcasting network 101 in use, and the power supply to the devices related to the second broadcasting network 102 that is not in use is cut off. When the user selects the second broadcasting network 102, power supply to the devices related to the first broadcasting network 101 may be cut off, and power supply to the devices related to the second broadcasting network 102 may be started. The device related to the second broadcasting network 102 to which power is supplied may sequentially process operations such as receiving the second broadcasting data and extracting desired data from the received broadcasting data. The time required for the processing operation at this time may correspond to an initial driving time or an initial setting time.

The first broadcast data b1 and the second broadcast data b2 received by the reception unit 110 may be simultaneously input to the decoding unit 130. The decoding unit 130 may simultaneously provide the first multimedia data m1 extracted from the first broadcast data b1 and the second multimedia data m2 extracted from the second broadcast data b2 to the projection unit 150. When the second broadcasting network 102 is selected while the first multimedia data m1 is being projected due to the selection of the first broadcasting network 101, the projection unit 150 excludes the initial setting process of the second broadcasting data b2 and Data m2 can be projected to the outside.

According to this embodiment, a user can convert broadcast programs of various channels without delay, regardless of the type of broadcast network. In other words, the first multimedia data of the first broadcasting network 101 and the second multimedia data of the second broadcasting network 102 that are independent of each other may be recognized as integrated multimedia data using the integrated broadcasting network.

It may be difficult to implement a complete integrated broadcasting in which a plurality of broadcasting networks are merged into one with only integrated multimedia data. This is because it is necessary to integrate program data included in each broadcast data.

The broadcast program may include program data in addition to multimedia data. Program data may include broadcast channel information, broadcast schedule, and the like.

For example, broadcast channel information of the first broadcast network 101 and broadcast channel information of the second broadcast network 102 may be independent of each other. In order to integrate broadcasting channel information of each independent broadcasting network, each broadcasting channel information needs to be linked.

2 is a schematic diagram showing a state in which broadcast data is projected.

The first broadcast data b1 and the second broadcast data b2 received by the reception unit 110 may be input to the decoding unit 130 together. The decoding unit 130 may provide the first program data p1 extracted from the first broadcast data b1 and the second program data p2 extracted from the second broadcast data b2 to the projection unit 150.

The beam projector of the present invention may be provided with an input unit 160 for receiving a user's command. The input unit 160 may be directly operated by a user or communicate with a remote controller.

A command for selecting a specific broadcasting network may be input to the input unit 160 by a user's direct manipulation or remote control manipulation.

The input unit 160 transmits the input command to the projection unit 150, and the projection unit 150 may select one of a plurality of broadcasting networks according to the received command.

2A shows a first operation mode of the projection unit 150, in which the first program data p1 and the second program data p2 are independent of each other.

When the first broadcasting network 101 is selected, the input unit 160 can project only the first program data p1 on the screen 109. In this state, the user can only recognize broadcast channel information or broadcast schedule of the first broadcast network 101 and cannot recognize broadcast channel information or broadcast schedule of the second broadcast network 102. In (a) of FIG. 2, due to the selection of the first broadcasting network 101, only broadcasting channel information '1, 2,..., k'corresponding to the first program data p1 is displayed on the screen 109. When the user increases the channels one by one using the input unit 160 or the remote control, the selection icon moves one by one in the order of 1, 2,..., k, and returns to the first channel '1' after the last channel'k'. A circular method can be applied.

When the second broadcasting network 102 is selected, the input unit 160 can project only the second program data p2 on the screen 109. In this state, the user can only recognize broadcast channel information or broadcast schedule of the second broadcast network 102 and cannot recognize broadcast channel information or broadcast schedule of the first broadcast network 101. In FIG. 2A, due to the selection of the second broadcasting network 102, only broadcasting channel information'a, b, ..., j'corresponding to the second program data p2 is displayed on the screen 109. When the user increases the channels one by one using the input unit 160 or the remote control, the selection icon moves one by one in the order of a, b,..., j, and returns to the first channel'a' after the last channel'j'. A circular method can be applied.

2B shows a second operation mode of the projection unit 150. The projection unit 150 in the second operation mode combines the broadcast channel information (first channel information) of the first program data p1 and the broadcast channel information (second channel information) of the second program data p2 in one circular menu i. Can be included. At this time, the projection unit 150 may project the circulation menu i to the outside.

The cycle menu i can operate as follows.

When the user increases the channels one by one using the input unit 160 or the remote control, a selection icon, for example, a cursor or a shaded area surrounding the channel text is initially displayed as 1, 2, or 2 according to the channel information of the first broadcasting network 101. ..., k can be moved one by one in order. In the second operation mode or the cycle menu i, the selection icon returns to the first channel '1' of the first broadcasting network 101 after the last channel'k' of the first broadcasting network 101, but the first channel of the second broadcasting network 102 The selection icon can be moved to'a'. Thereafter, the selection icons may move one by one in the order of a, b, ..., j according to the channel information of the second broadcasting network 102. Instead of returning to the first channel'a' of the second broadcasting network 102 after the last channel'j' of the second broadcasting network 102 on the second operation mode or the circular menu i, the first channel of the first broadcasting network 101 The selection icon can be skipped to '1'.

According to the second operation mode, the user can check information on separate broadcasting channels provided by a plurality of broadcasting networks through one circular menu i. A user can easily select a desired channel while viewing the integrated broadcasting channel information in which all broadcasting channel information of a plurality of broadcasting networks is integrated into one.

Even if a channel is selected while crossing different broadcasting networks, since the multimedia data of each broadcasting network is already being provided from the decoding unit 130, the broadcasting program of the channel desired by the user will be displayed on the screen immediately without a separate initial setting time. I can.

Returning to FIG. 1 again, a first processing unit 151, a second processing unit 152, and a projection unit 153 may be provided in the projection unit 150.

The first processing unit 151 may process multimedia data included in each broadcast data. For example, the first processing unit 151 may process the first multimedia data m1 transmitted from the first decoding unit 131 and the second multimedia data m2 transmitted from the second decoding unit 132. Specifically, the first processing unit 151 may provide only one selected of the first multimedia data m1 and the second multimedia data m2 to the projection unit 153. Alternatively, the first processing unit 151 may provide multimedia array data in which the first multimedia data m1 and the second multimedia data m2 are combined into one, to the projection unit 153.

The second processing unit 152 may process program data included in each broadcast data. For example, the second processing unit 152 may process the first program data p1 received from the first decoding unit 131 and the second program data p2 transmitted from the second decoding unit 132. Specifically, the second processing unit 152 may provide only one selected of the first program data p1 and the second program data p2 to the projection unit 153. Alternatively, the second processing unit 152 may provide the program arrangement data in which the first program data p1 and the second program data p2 are combined into one, to the projection unit 153.

The projection unit 153 may project image data along a set optical axis using optical means such as a digital micromirror device, a reflector, a lens, a barrel, and a light source. Alternatively, the projection unit 153 may project program data.

Meanwhile, according to an environment in which a plurality of users use one beam projector, a desired broadcast program may be different for each user. For example, some users may want to watch a drama, and some users may want to watch a sport. A plan may be provided to satisfy the needs of a plurality of users as much as possible.

3 is a schematic diagram showing the operation of the projection unit 150.

First broadcast data and second broadcast data may be simultaneously input to the decoding unit 130. The decoding unit 130 may simultaneously provide the first multimedia data m1 extracted from the first broadcast data and the second multimedia data m2 extracted from the second broadcast data to the projection unit 150.

The projection unit 150 may generate array data'm1+m2' in which the first multimedia data m1 and the second multimedia data m2 are arranged together. The projection unit 150 may project the array data m1+m2 onto an external object such as the screen 109. The user can view the arrangement data displayed on the screen 109.

The projection unit 150, specifically, the first processing unit 151 may variously adjust the arrangement positions of the first multimedia data and the second multimedia data.

For example, as shown in (a) of FIG. 3, array data in which first multimedia data m1 and second multimedia data m2 are arranged left and right may be generated.

For example, as shown in (b) of FIG. 3, array data in which the first multimedia data m1 and the second multimedia data m2 are arranged vertically may be generated.

For example, as shown in FIG. 3C, array data in which second multimedia data m2 is arranged in a part of the first multimedia data area may be generated.

3A and 3B, a plurality of multimedia data may be arranged side by side so as not to invade each other. 3C shows a state in which a display area of specific multimedia data invades a display area of other multimedia data, and may correspond to a so-called Picture In Picture (PIP) method.

4 is a schematic diagram showing another operation of the projection unit 150.

In the embodiment of FIG. 3, the projection unit 150 may combine and output broadcast data of different broadcast networks into one. Alternatively, the projection unit 150 may combine and output broadcast data on a plurality of channels of the same broadcast network.

The decoding unit 130 may extract a plurality of first multimedia data m11 and m12 from the first broadcast data. The plurality of first multimedia data m11 and m12 may represent programs having the same first broadcasting network 101 and different channels. The decoding unit 130 may provide the extracted plurality of first multimedia data m11 and m12 to the projection unit 150.

The projection unit 150 may generate array data'm11+m12' in which a plurality of first multimedia data m11 and m12 are arranged together. The projection unit 150 may project the array data m11 + m12 onto an external object such as the screen 109. The user can view the arrangement data displayed on the screen 109.

The first processing unit 151 may variously adjust the arrangement positions of the plurality of first multimedia data m11 and m12.

For example, as shown in FIG. 4A, array data in which two first multimedia data m11 and m12 are arranged left and right may be generated.

For example, as shown in FIG. 4B, array data in which two first multimedia data m11 and m12 are arranged vertically may be generated.

For example, as shown in (c) of FIG. 4, array data in which specific first multimedia data m12 is arranged in a part of an area of another first multimedia data m11 may be generated.

According to this embodiment, an animation program for young children and a drama program for adults may be displayed on the screen 109 at the same time. In this case, a method for audibly distinguishing an animation program and a drama program may be added.

5 is a schematic diagram showing the operation of the projector of the present invention.

A first speaker 181 and a second speaker 182 mounted on the case 190 may be provided. First audio data output from the first decoding unit 131 or the first processing unit 151 may be provided to the first speaker 181. Second audio data output from the second decoding unit 132 or the first processing unit 151 may be provided to the second speaker 182.

When one broadcast data is output through the projection unit 150, the first speaker 181 and the second speaker 182 may output common voice data included in the broadcast data.

When the first broadcast data and the second broadcast data are output together through the projection unit 150, the first speaker 181 may output only the first voice data included in the first multimedia data. In this case, the second speaker 182 may output only the second voice data included in the second multimedia data. Voice data output through each speaker can be controlled by a control unit.

At least one of the first speaker 181 and the second speaker 182 may include a directional speaker. The first speaker 181 and the second speaker 182 may be rotatably installed in the case 190. According to the first speaker 181 and the second speaker 182 that are rotatable with respect to the case 190, the first voice data and the second voice data may be provided toward areas separated from each other.

For example, young children who prefer an animation program may be gathered in a first area, and adults who prefer a drama program may be gathered in a second area.

When the first image data and the second image data are output together through the projection unit 150, the first speaker 181 may output the first audio data by the control unit. The second speaker 182 may output second voice data by the control unit. For example, the first image data and the first audio data may each include an image and a sound of an animation program. The second image data and the second audio data may each include an image and sound of a drama program.

When the first speaker 181 is rotated with respect to the case 190 supported on the ground so that the acoustic axis of the first speaker 181 corresponding to the directional speaker faces the first area, the first voice data is Can only be provided.

When the second speaker 182, which is a directional speaker, is rotated with respect to the case 190 so that the acoustic axis of the second speaker 182 faces the second area, the second voice data can be provided only to the second area. .

According to this embodiment, users (young children) gathered in the first area can only listen to the first audio data of the animation program. In addition, users (adults) gathered in the second area can only listen to the second voice data of the drama program. Therefore, each user may not be disturbed by viewing a program he or she prefers by a different sound.

6 is a diagram illustrating a computing device according to an embodiment of the present invention. The computing device TN100 of FIG. 6 may be a device (eg, a control unit, etc.) described herein.

In the embodiment of FIG. 6, the computing device TN100 may include at least one processor TN110, a transmission/reception device TN120, and a memory TN130. In addition, the computing device TN100 may further include a storage device TN140, an input interface device TN150, an output interface device TN160, and the like. Components included in the computing device TN100 may be connected by a bus TN170 to communicate with each other.

The processor TN110 may execute a program command stored in at least one of the memory TN130 and the storage device TN140. The processor TN110 may mean a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated processor in which methods according to an embodiment of the present invention are performed. The processor TN110 may be configured to implement procedures, functions, and methods described in connection with an embodiment of the present invention. The processor TN110 may control each component of the computing device TN100.

Each of the memory TN130 and the storage device TN140 may store various information related to an operation of the processor TN110. Each of the memory TN130 and the storage device TN140 may be formed of at least one of a volatile storage medium and a nonvolatile storage medium. For example, the memory TN130 may be composed of at least one of a read only memory (ROM) and a random access memory (RAM).

The transmission/reception device TN120 may transmit or receive a wired signal or a wireless signal. The transmission/reception device TN120 may be connected to a network to perform communication. The transmitting/receiving device may be integrally formed with the input unit 160.

Meanwhile, the embodiment of the present invention is not implemented only through the apparatus and/or method described so far, but may be implemented through a program that realizes a function corresponding to the configuration of the embodiment of the present invention or a recording medium in which the program is recorded. In addition, this implementation can be easily implemented by those of ordinary skill in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of the person skilled in the art using the basic concept of the present invention defined in the following claims are also present. It belongs to the scope of the invention.

101...the 1st broadcasting network 102...the 2nd broadcasting network
109...screen 110...receive unit
111...first receiver 112...second receiver
130...decoding unit 131...first decoding unit
132...second decoding unit 150...projection unit
151...first processing unit 152...second processing unit
153...projection unit 160...input unit
170...power unit 181...primary speaker
182...second speaker

Claims (10)

A receiving unit for receiving broadcast data through a broadcast network;
Includes; a projection unit that receives the broadcast data from the receiving unit and projects the received broadcast data to the outside,
The receiving unit is provided with a first receiving unit and a second receiving unit,
The first receiver receives first broadcast data through a first broadcast network,
The second receiver receives second broadcast data through a second broadcast network,
The projection unit projects at least one of the first broadcast data and the second broadcast data to the outside,
A decoding unit for inputting the first broadcast data and the second broadcast data together is provided,
The decoding unit provides first program data extracted from the first broadcast data and second program data extracted from the second broadcast data to the projection unit,
The projection unit includes first channel information of the first program data and second channel information of the second program data together in one circular menu,
The projection unit projects the circulation menu to the outside,
When a user increases a channel using an input unit or a remote control, a selection icon initially moves in order according to the channel information of the first broadcasting network, and the first channel of the first broadcasting network is followed by the last channel of the first broadcasting network. Instead of returning, the selection icon is moved to the first channel of the second broadcasting network, and the selection icon is then operated in such a manner that the selection icon moves in order according to channel information of the second broadcasting network.
The method of claim 1,
The first broadcasting network includes a Terrestrial Digital Multimedia Broadcasting (T-DMB) network,
The second broadcasting network is a beam projector including a Digital Video Broadcasting-Terrestrial version 2 (DVB-T2) network.
The method of claim 1,
The receiving unit is provided with a first antenna for receiving first broadcast data through a first broadcast network, and a second antenna for receiving second broadcast data through a second broadcast network,
The first antenna and the second antenna are formed separately from each other, and the beam projector is accommodated in the case to be isolated from the outside.
delete The method of claim 1,
A first decoding unit and a second decoding unit are provided,
The first decoding unit separates the first program data and first multimedia data from the first broadcast data, decodes and reproduces the first multimedia data,
The second decoding unit separates the second program data and second multimedia data from the second broadcast data, decodes and reproduces the second multimedia data,
Regardless of whether the first broadcasting network and the second broadcasting network are selected, a power supply unit for simultaneously providing power to the first receiving unit, the second receiving unit, the first decoding unit, and the second decoding unit is provided,
Regardless of whether the first broadcasting network or the second broadcasting network is selected, the first multimedia data output from the first decoding unit and the second multimedia data output from the second decoding unit are provided together to the projection unit, ,
When the first broadcasting network is selected, the projection unit projects the first multimedia data to the outside,
When the second broadcasting network is selected during projection of the first multimedia data, the projection unit excludes the initial setting process of the second broadcasting data, and immediately receives the second multimedia data already provided from the second decoding unit. A beam projector that projects to the outside.
The method of claim 1,
The decoding unit simultaneously provides first multimedia data extracted from the first broadcast data and second multimedia data extracted from the second broadcast data to the projection unit,
When the second broadcasting network is selected while the first multimedia data is being projected due to the selection of the first broadcasting network, the projection unit excludes the initial setting process of the second broadcasting data and projects the second multimedia data to the outside. Beam projector.
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