KR20200050578A - System for sharing screen using inaudible sound and apparatus thereof - Google Patents

Abstract

The present invention relates to a screen sharing system and apparatus using non-audible sound waves, and more specifically, from a screen sharing device controlling a shared display, broadcasting identification information through non-audible sound waves to various screen providing terminals located in a specific space. The present invention relates to a screen sharing system and apparatus using non-audible sound waves that allow each screen providing terminal to easily share its screen with the shared display using the identification information.
In the present invention, a screen sharing apparatus for encoding one's own identification information (= first identification information) to an inaudible sound wave and broadcasting it to one or more screen providing terminals; And among the one or more screen providing terminals, receiving the inaudible sound wave, decoding the first identification information, and sharing the screen with the first screen providing terminal that has sent a pairing request including the first identification information. And a screen sharing server paired with a device, wherein the screen sharing server transmits the shared screen information received from the first screen providing terminal to the paired screen sharing device to provide the shared screen. Disclosed is a screen sharing system.

Description

System for sharing screen using inaudible sound and apparatus thereof

The present invention relates to a screen sharing system and apparatus using non-audible sound waves, and more specifically, from a screen sharing device controlling a shared display, broadcasting identification information through non-audible sound waves to various screen providing terminals located in a specific space. The present invention relates to a screen sharing system and apparatus using non-audible sound waves that allow each screen providing terminal to easily share its screen with the shared display using the identification information.

Conventionally, in accordance with the progress of a conference, a large number of users, such as conference participants, have the inconvenience of changing a wired cable such as an RGB cable or an HDMI cable from time to time in order to share their terminal screens such as a laptop with other users.

In addition, there is a method of sharing a screen using a wireless connection such as Wi-Fi Direct or Mobile High-Definition Link (MHL) in addition to the wired cable, but when using a wireless connection as described above, interlocking specifications are not only complicated. Rather, each user specified a shared display and manually set various settings for a wireless connection, which could increase the time and inconvenience, and furthermore, when several conference participants change the screen from time to time to proceed with the conference, There was a problem in which the user's discomfort was exacerbated.

Accordingly, a demand for a screen sharing technology that allows multiple users, such as conference participants, to share their terminal screens more easily and quickly with a shared display continues, but a clear solution to this has not yet been proposed.

Republic of Korea Patent Publication No. 10-2009-0097111 (published on September 15, 2009)

The present invention was devised to solve the problems of the prior art as described above, and a screen sharing system and apparatus that allows a plurality of users, such as conference participants, to share their terminal screens such as a laptop more easily and quickly with a shared display. It aims to provide.

Other detailed objects of the present invention will be clearly understood and understood by experts or researchers in this technical field through specific contents described below.

The screen sharing system according to an aspect of the present invention for solving the above problems encodes its own identification information (= first identification information) into an inaudible sound wave and broadcasts it to one or more screen providing terminals. Screen sharing device; And among the one or more screen providing terminals, receiving the inaudible sound wave, decoding the first identification information, and transmitting the first screen providing terminal including a pairing request including the first identification information. And a screen sharing server paired with the screen sharing device, wherein the screen sharing server transmits shared screen information received from the first screen providing terminal to the paired screen sharing device to provide a shared screen. It is characterized by.

At this time, the first screen providing terminal may send a pairing request including the own identification information (= second identification information) together with the first identification information to the screen sharing server.

In addition, the screen sharing server, after determining whether to allow the pairing of the screen sharing device and the first screen providing terminal, may reply to whether the pairing is allowed to the first screen providing terminal.

In addition, when the screen sharing server receives a pairing request of the screen sharing device and the first screen providing terminal while the screen sharing device is paired with another screen providing terminal, the screen sharing server performs pairing with the other screen providing terminal. Release, and pairing may be performed on the first screen providing terminal.

Also, the first screen providing terminal may transmit the shared screen information to the screen sharing server, together with the first identification information of the screen sharing device.

In addition, after verifying whether the first screen providing terminal is currently paired with the screen sharing device, the screen sharing server transmits the shared screen information received from the first screen providing terminal to the screen sharing device. Can be.

In addition, the screen sharing apparatus may repeatedly broadcast the inaudible sound wave according to a predetermined period.

In addition, the screen sharing device according to another aspect of the present invention, in a screen sharing device that receives and provides shared screen information of screen providing information, encodes its own identification information (= first identification information) into an inaudible sound wave ( an inaudible sound wave broadcasting unit encoding and broadcasting to one or more screen providing terminals; And a sharing screen providing unit receiving the sharing screen information received from the screen sharing server and providing the shared screen as a sharing screen, wherein the screen sharing server receives the inaudible sound waves from among the one or more screen providing terminals. Decoding the first identification information, pairing the first screen providing terminal that has sent a pairing request including the first identification information with the screen sharing device, and receiving from the first screen providing terminal The shared screen information is transmitted to the paired sharing screen providing unit.

In addition, the screen sharing server according to another aspect of the present invention, among the one or more screen providing terminals, receives the inaudible sound wave transmitted by the screen sharing device, decodes the first identification information and includes the first identification information A pairing processor configured to pair the first screen providing terminal that has sent a pairing request to the screen sharing device; And a shared screen information transmitting unit that transmits the shared screen information received from the first screen providing terminal to the paired screen sharing device, wherein the screen sharing device has its own identification information ( = First identification information) is encoded (broadcasting) to one or more screen providing terminals, and receiving the shared screen information transmitted from the shared screen transmitting unit, characterized in that it provides a shared screen.

Accordingly, in the screen sharing system and apparatus using an audible sound wave according to an embodiment of the present invention, a screen sharing device controlling a shared display is provided with multiple screen providing terminals located in a specific space through the audible sound wave By broadcasting, each screen providing terminal can easily share its screen with the shared display using the identification information.

The accompanying drawings, which are included as part of the detailed description to aid understanding of the present invention, provide embodiments of the present invention and describe the technical spirit of the present invention together with the detailed description.
1 is a configuration diagram of a screen sharing system using inaudible sound waves according to an embodiment of the present invention.
2 is a flowchart of a screen sharing method using inaudible sound waves according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating an operation of a screen sharing system using inaudible sound waves according to an embodiment of the present invention.
4 is a diagram illustrating a replacement of a pairing terminal in a screen sharing system using inaudible sound waves according to an embodiment of the present invention.
5 is a configuration diagram of a screen sharing apparatus in a screen sharing system using inaudible sound waves according to an embodiment of the present invention.
6 is a configuration diagram of a screen sharing server in a screen sharing system using inaudible sound waves according to an embodiment of the present invention.

The present invention can be applied to various transformations and can have various embodiments. Hereinafter, specific embodiments will be described in detail with reference to the accompanying drawings.

The following examples are provided to aid in a comprehensive understanding of the methods, devices and / or systems described herein. However, this is only an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, when it is determined that a detailed description of known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition should be made based on the contents throughout this specification. The terminology used in the detailed description is only for describing embodiments of the present invention and should not be limiting. Unless expressly used otherwise, a singular form includes a plural form. In this description, expressions such as “including” or “equipment” are intended to indicate certain characteristics, numbers, steps, actions, elements, parts or combinations thereof, and one or more other than described. It should not be interpreted to exclude the presence or possibility of other characteristics, numbers, steps, actions, elements, or parts or combinations thereof.

Further, terms such as first and second may be used to describe various components, but the components are not limited by the terms, and the terms are used to distinguish one component from other components. Used only.

Hereinafter, exemplary embodiments of a voice recognition processing method and system for a work device causing noise according to an embodiment of the present invention will be sequentially described with reference to the accompanying drawings.

First, FIG. 1 is a block diagram of a screen sharing system 10 using inaudible sound waves according to an embodiment of the present invention. As can be seen in FIG. 1, the screen sharing system 10 using inaudible sound waves according to an embodiment of the present invention encodes its own identification information (= first identification information) into the inaudible sound waves. Decoding (decoding) the first identification information by receiving the inaudible sound wave from the screen sharing device 100 and the one or more screen providing terminals 300 broadcasting to one or more screen providing terminals 300 ), And a screen sharing server 200 that pairs the first screen providing terminal 300a that has sent the pairing request including the first identification information with the screen sharing device 100, wherein the The screen sharing server 200 transmits the shared screen information received from the first screen providing terminal 300a to the paired screen sharing device 100 to provide the shared screen.

At this time, the screen sharing device 100 may receive and use the first identification information from the screen sharing server 200, but the present invention is not necessarily limited thereto, and the screen sharing device 100 may first identify Information may be generated and transmitted to the screen sharing server 200, or the first identification information may be generated by another server or the like to be transmitted to the screen sharing device 100 and the screen sharing server 200.

Further, the first screen providing terminal 300a transmits a pairing request including the first identification information and its own identification information (= second identification information) to the screen sharing server 200, The sharing server 200 may perform pairing between the one screen providing terminal 300a and the screen sharing device 100.

Also, the screen sharing server 200 determines whether to allow pairing between the screen sharing apparatus 100 and the first screen providing terminal 300a with respect to a pairing request from the first screen providing terminal 300a. After that, the first screen providing terminal 300a returns the pairing permission, so that the first screen providing terminal 300a wants to share the video or screen data to be shared with the screen sharing server 200 depending on whether pairing is allowed. Etc., to transmit the shared screen information.

In addition, the screen sharing server 200, the screen sharing device 100 in the state of being paired with another screen providing terminal (300b, 300c of FIG. 1), the screen sharing device 100 and the first screen providing terminal When receiving the pairing request of (300a), by releasing the pairing for the other screen providing terminal (300b, 300c in FIG. 1), and performing the pairing for the first screen providing terminal (300a), each terminal of Users can easily share the screen while requesting pairing from time to time.

In addition, the first screen providing terminal 300a may transmit the shared screen information to the screen sharing server 200 together with the first identification information of the screen sharing device 100, and accordingly The screen sharing server 200 not only performs verification of the shared screen information received from the first screen providing terminal 300a, but also the shared screen information received from the first screen providing terminal 300a. It is possible to determine which of the several screen sharing devices 100 to transmit and share.

In addition, the screen sharing server 200, after verifying whether the first screen providing terminal 300a is currently in a paired state with the screen sharing device 100, and then from the first screen providing terminal 300a By transmitting the received shared screen information to the screen sharing device 100, it is possible to prevent an error that may occur due to switching of a pairing connection in multiple screen providing terminals 300.

Furthermore, the screen sharing device 100 repeatedly broadcasts the inaudible sound waves according to a predetermined cycle, so that even if there is a change in the participant in the middle of a meeting, the new participant also receives the screen sharing device 100 It allows the user to easily share his / her screen by receiving the identification information of the user. Furthermore, even when it is necessary to change the identification information according to duplication of identification information with the other screen sharing device 100, each participant may use the screen sharing device 100. It is possible to receive and update the changed identification information of.

Accordingly, in the screen sharing system and apparatus using an audible sound wave according to an embodiment of the present invention, the identification information is located in a specific space through the audible sound wave in the screen sharing apparatus 100 controlling the shared display 150 Broadcasting to multiple screen providing terminals 300 to facilitate sharing of their screen to the shared display 150 using the identification information in each screen providing terminal 300.

2 is a flowchart of a screen sharing method using inaudible sound waves according to an embodiment of the present invention. As can be seen in FIG. 2, in the screen sharing method using the inaudible sound wave according to an embodiment of the present invention, the screen sharing apparatus 100 uses its own identification information (= first identification information) to the inaudible sound wave. Encoding and broadcasting to one or more screen providing terminals 300 (S100), the screen sharing server 200 receiving the inaudible sound waves among the one or more screen providing terminals 300 Decoding the first identification information, and pairing the first screen providing terminal 300a, which has sent the pairing request including the first identification information, with the screen sharing device 100 (S200) and The screen sharing server 200 includes transmitting the shared screen information received from the first screen providing terminal 300a to the paired screen sharing device 100 to provide the shared screen (S300). .

Hereinafter, a screen sharing method, an apparatus, and a system using an inaudible sound wave according to an embodiment of the present invention are divided for each configuration and examined in detail.

First, the screen sharing apparatus 100 encodes its own identification information (= first identification information) into an inaudible sound wave and broadcasts it to one or more screen providing terminals ((2 in FIG. 3)). .

More specifically, the screen sharing apparatus 100 may include a speaker or the like capable of generating the inaudible sound wave.

In this case, the first identification information may be identification information generated by the screen sharing server 200 and transmitted to the screen sharing device 100. Accordingly, the screen sharing server 200 may generate and transmit identification information to the plurality of screen sharing devices 100 (1 in FIG. 3), and further, the sharing transmitted from the plurality of screen providing terminals 300 The screen information may be classified and transmitted to the paired screen sharing device 100.

However, in the present invention, the screen sharing server 200 does not necessarily generate the identification information, and the screen sharing device 100 generates the identification information by itself or the other server or the like generates the identification information. It may be transmitted to the shared server 200.

Subsequently, the screen providing terminal 300 may obtain the inaudible sound wave by decoding the first identification information (③ in FIG. 3).

More specifically, the screen providing terminal 300 may include a microphone or the like capable of receiving the inaudible sound wave.

Accordingly, among the terminals that have obtained the first identification information of the screen sharing device 100, the first screen providing terminal that wants to share its screen with the sharing display 150 linked to the screen sharing device 100 ( 300a) transmits a pairing request including the first identification information to the screen sharing server 200 (④ in FIG. 3).

At this time, the first screen providing terminal 300a transmits a pairing request including the identification information (= second identification information) together with the first identification information to the screen sharing server 200, thereby The sharing server 200 may perform pairing between the one screen providing terminal 300a and the screen sharing device 100.

Here, the screen providing terminal 300 may perform communication through the screen sharing server 200 and a wireless communication network such as Wi-Fi, but the present invention is not necessarily limited thereto and is not limited to LAN (Local) Area Network), or communication through a wired communication network, or both wired and wireless communication networks.

Accordingly, the screen sharing server 200, whether to allow the pairing of the screen sharing device 100 and the first screen providing terminal 300a, for a pairing request from the first screen providing terminal 300a. After determining, the pairing is returned to the first screen providing terminal 300a (⑥ in FIG. 3).

Furthermore, the screen sharing server 200 transmits the pairing result to the screen sharing device 100 (⑤ in FIG. 3), so that the screen sharing device 100 is also paired with the first screen sharing device 300a ), And verify the shared screen information transmitted from the first screen sharing device 300a or the first screen sharing device 300a through the communication with the first screen sharing device 300a. It is also possible to allow the user of the first screen sharing device 300a to share the screen more conveniently, such as controlling the setting of 100 or the setting of the sharing display 150.

Accordingly, the screen sharing server 200 receives the sharing screen information from the first screen providing terminal 300a (7 in FIG. 3), and transmits the sharing screen information to the screen sharing device 100. (⑧ in Fig. 3). Accordingly, the screen sharing device 100 receives the sharing screen information and provides it to the sharing display 150 (⑨ in FIG. 3).

At this time, the first screen providing terminal 300a may generate a screen displayed on its screen in a video format and transmit it to the screen sharing server 200, but the present invention is not necessarily limited to this and other still screens Shared screen information can be configured and transmitted in various formats, such as periodically transmitting data.

At this time, the screen sharing server 200 is a screen sharing device paired with the first screen providing terminal 300a according to the identification information of the first screen providing terminal 300a that has transmitted the sharing screen information It can be transmitted to (100) to provide a shared screen.

In addition, the first screen providing terminal 300a may transmit the shared screen information to the screen sharing server 200 together with the first identification information of the screen sharing device 100, and accordingly, the screen sharing server ( 200) may transmit the shared screen information to the screen sharing device 100 corresponding to the first identification information among the multiple screen sharing devices 100 to share on the shared display 150.

Furthermore, the screen sharing server 200 verifies whether the first screen providing terminal 300a is currently paired with the screen sharing device 100 using the first identification information, and then the first By transmitting the shared screen information received from the screen providing terminal 300a to the screen sharing device 100, errors that may occur due to switching of the pairing connection in the multiple screen providing terminals 300 can be prevented.

In addition, in a screen sharing method, apparatus, and system using non-audible sound waves according to an embodiment of the present invention, as shown in FIG. 4, the screen sharing device 100 is paired with the first screen providing terminal 300a When the other second screen providing terminal 300b transmits a pairing request in the status (1 in FIG. 4) (② in FIG. 4), the screen sharing server 200 is connected to the first screen providing terminal 300a. By canceling the pairing for (3 in FIG. 4), by performing pairing for the second screen providing terminal 300b immediately (④ in FIG. 4), users of multiple screen providing terminals 300 frequently request and share the pairing The screen shared on the display 150 can be easily switched.

5 and 6 illustrate the configuration diagrams of the screen sharing apparatus 100 and the screen sharing server 200 in the screen sharing system using non-audible sound waves according to an embodiment of the present invention.

First, as can be seen in FIG. 5, the screen sharing apparatus 100 according to an embodiment of the present invention encodes one or more of its identification information (= first identification information) into an inaudible sound wave A shared screen providing unit 120 that receives the shared screen information received from the inaudible sound wave broadcasting unit 110 and the screen sharing server 200 that broadcasts to the screen providing terminal 300 and provides it as a shared screen In this case, the screen sharing server 200, among the one or more screen providing terminals 300, receives the inaudible sound wave and decodes the first identification information, and the 1 Pairing the first screen providing terminal 300a that has sent a pairing request including identification information with the screen sharing device 100, and sharing information received from the first screen providing terminal 300a Share above Is sent to the provider 120. The

In addition, as can be seen in Figure 6, the screen sharing server 200 according to an embodiment of the present invention, among the one or more screen providing terminal 300, the screen sharing device 100 transmits the inaudible sound waves A pairing processing unit that decodes (decodes) the first identification information and pairs the first screen providing terminal 300a that has sent the pairing request including the first identification information with the screen sharing device 100 210) and the sharing screen information transmitting unit 220 for transmitting the sharing screen information received from the first screen providing terminal 300a to the screen sharing device 100, wherein the screen sharing device 100 Is, encoding its own identification information (= first identification information) on an inaudible sound wave, and broadcasting it to one or more screen providing terminals 300, and transmitted from the shared screen transmitter 220 Share by receiving sharing screen information You will be presented with a screen.

Accordingly, in the screen sharing system and apparatus using an audible sound wave according to an embodiment of the present invention, the screen sharing apparatus 100 for controlling a shared display has several screens in which identification information is located in a specific space through the audible sound wave Broadcasting to the providing terminal 300, each screen providing terminal 300 using the identification information to share their own screen information through the screen sharing server 200 to the screen sharing device 100 to share By switching the screen displayed on the display 150, a plurality of users, such as conference participants, can share the screens of their respective screen providing terminals 300, such as a laptop, more easily and quickly through the shared display 150. .

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments described in the present invention are not intended to limit the technical spirit of the present invention, but to explain them, and are not limited to these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical spirits within the equivalent range should be interpreted as being included in the scope of the present invention.

10: screen sharing system
100: screen sharing device
110: inaudible sound wave broadcasting unit
120: sharing screen providing unit
150: shared display
200: screen sharing server
210: pairing processing unit
220: shared screen transmission unit
300: screen providing terminal
300a: first screen providing terminal

Claims (9)

A screen sharing device for encoding one's own identification information (= first identification information) on an inaudible sound wave and broadcasting it to one or more screen providing terminals; And
Among the one or more screen providing terminals, the first screen providing terminal that receives the inaudible sound wave, decodes the first identification information, and transmits a pairing request including the first identification information. And a screen sharing server that is paired with a screen sharing device.
Here, the screen sharing server, the screen sharing system characterized in that to transmit the shared screen information received from the first screen providing terminal to the paired screen sharing device to provide a shared screen. According to claim 1,
The first screen providing terminal,
Screen sharing system, characterized in that for transmitting a pairing request including the first identification information and its own identification information (= second identification information) to the screen sharing server. According to claim 1,
The screen sharing server,
After determining whether to allow pairing of the screen sharing device and the first screen providing terminal,
Screen sharing system, characterized in that to reply to the pairing is allowed to the first screen providing terminal. According to claim 1,
The screen sharing server,
When the screen sharing device receives a pairing request of the screen sharing device and the first screen providing terminal while the screen sharing device is paired with another screen providing terminal,
Unpair the other screen providing terminal,
Screen sharing system, characterized in that for performing the pairing for the first screen providing terminal. According to claim 1,
The first screen providing terminal,
In transmitting the shared screen information to the screen sharing server,
And transmitting the first identification information of the screen sharing device. According to claim 1,
The screen sharing server,
After verifying whether the first screen providing terminal is currently paired with the screen sharing device,
Screen sharing system, characterized in that for transmitting the shared screen information received from the first screen providing terminal to the screen sharing device. According to claim 1,
The screen sharing device,
Screen sharing system characterized by repeatedly broadcasting the inaudible sound wave according to a predetermined cycle. A screen sharing device for receiving and providing screen information sharing screen information,
An inaudible sound wave broadcasting unit that encodes its own identification information (= first identification information) on the inaudible sound wave and broadcasts it to one or more screen providing terminals; And
It includes; a sharing screen providing unit that receives the sharing screen information received from the screen sharing server and provides it as a sharing screen;
Here, the screen sharing server, among the one or more screen providing terminals, receives the inaudible sound wave, decodes the first identification information, and transmits a pairing request including the first identification information A screen sharing device, characterized in that a first screen providing terminal is paired with the screen sharing device, and the shared screen information received from the first screen providing terminal is transmitted to the paired sharing screen providing unit. Among the one or more screen providing terminals, a first screen providing terminal that receives an inaudible sound wave transmitted by a screen sharing device and decodes first identification information and transmits a pairing request including the first identification information A pairing processor that pairs the screen with the screen sharing device; And
Includes a shared screen information transmission unit for transmitting the shared screen information received from the first screen providing terminal to the paired screen sharing device;
Here, the screen sharing device encodes its identification information (= first identification information) into an inaudible sound wave and broadcasts it to one or more screen providing terminals, and is transmitted from the shared screen transmission unit Screen sharing server, characterized in that to provide a shared screen by receiving the shared screen information.

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