KR20160134134A - Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor - Google Patents
Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor Download PDFInfo
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- KR20160134134A KR20160134134A KR1020150067638A KR20150067638A KR20160134134A KR 20160134134 A KR20160134134 A KR 20160134134A KR 1020150067638 A KR1020150067638 A KR 1020150067638A KR 20150067638 A KR20150067638 A KR 20150067638A KR 20160134134 A KR20160134134 A KR 20160134134A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42224—Touch pad or touch panel provided on the remote control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
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- H04N2005/443—
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Databases & Information Systems (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention relates to an apparatus and method for controlling a large screen using a sub-display based on a touch screen, and it may include a sub-display interlocking unit, a screen adjusting unit, and a touch data processing unit. And it is an object of the present invention to provide a control device and a control method capable of smoothly receiving a variety of services provided in a large screen display by controlling a large screen display at a long distance using a sub display.
Description
BACKGROUND OF THE
Recently, TV service provides users with a choice to provide various types of services, but it is not easy to utilize these services with existing remote control interfaces.
Thus, there are methods of providing a remote control interface using a smartphone or a tablet, but these are not effective solutions since they are only implemented with software as a remote control function.
In addition, since the conventional touch screen technology is applied to these large-screen displays in order to control the display, which is a tendency to increase in size, the viewer must be located close enough to reach the large-screen display, do.
It is an object of the present invention to provide a control device and a control method capable of smoothly receiving various services provided in a large screen display by controlling a large screen display remotely by using a sub display supporting a touch screen interface of a user, There is a purpose.
According to an embodiment of the present invention, a controller for controlling a large screen using a sub-display based on a touch screen receives a connection request signal from an external terminal, registers the external terminal transmitting the connection request signal as a sub-display to generate registration information A sub-display interlocking unit for transmitting a connection response signal including the registration information; Transmits at least one screen data according to the screen configuration to the sub display corresponding to the received registration information and adjusts the screen configuration according to the screen ratio or screen data transmission rate information included in the received screen environment adjustment data A screen adjusting unit for converting received screen data according to the screen data control signal according to the adjusted screen environment setting and transmitting the converted screen data; And a touch data processor for converting the received touch data into the screen data control signal and transmitting the converted screen data control signal.
1 is a diagram illustrating a plurality of large-screen displays and a plurality of users according to an exemplary embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration included in a large-screen display and a sub-display according to an embodiment of the present invention.
3 is a block diagram of a large screen display control apparatus using a touch screen based sub display according to an embodiment of the present invention.
4 is a diagram illustrating a flow of data between a large-screen display control apparatus and a sub-display according to an embodiment of the present invention.
FIG. 5 is a diagram illustrating changing screen data in a large screen display control apparatus according to an exemplary embodiment of the present invention in accordance with a screen configuration.
6 is a diagram illustrating a format of a frame included in screen data according to an exemplary embodiment of the present invention.
7A is a diagram showing an embodiment for converting resolution using an I frame and a P frame.
FIG. 7B is a diagram illustrating an embodiment for converting resolution using a method of periodically selecting frames.
8 is a diagram illustrating transmission of screen data to a sub-display in a large screen display control apparatus according to an exemplary embodiment of the present invention.
9A is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the decoding buffer of the present invention.
9B is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the output buffer of the present invention.
10 is a flowchart illustrating a method of controlling a large screen display using a touch screen based sub-display according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.
Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.
Hereinafter, an apparatus and method for controlling a large screen display using a touch screen-based sub-display according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram illustrating a plurality of large-screen displays 10 and a plurality of users according to an embodiment of the present invention.
Referring to FIG. 1, it is shown that a plurality of users control a plurality of large-screen displays 10 by transmitting control signals.
Herein, a method of connecting a control signal through a conventional remote controller, a method of transmitting a control signal through a virtual remote controller implemented in a computing device such as a smart phone or a PC, And a method of controlling by inputting a control signal may be used. However, the present invention is not limited thereto.
According to an exemplary embodiment of the present invention, the large-
FIG. 2 is a diagram illustrating a configuration included in a large-screen display and a sub-display according to an embodiment of the present invention.
Referring to FIG. 2, the
The management module may receive a signal for controlling each function of the large screen display and thereby provide the multimedia data to be output to the output module.
The output module can convert the multimedia data transmitted from the management module into time or voice data and output it to the user.
The communication module supports connection with another terminal either wirelessly or wirelessly, and can transmit and receive data through it.
The decoder functions to return the coded signal to its original form and to decode the multimedia data to be transmitted and received.
The decoding buffer may refer to a memory area that functions to compensate for a difference between a transmission speed or a processing speed of both devices for transmission to another device connected through a communication module, or a storage device implementing the memory area.
At this time, the buffer may be defined as a memory area used for the purpose of satisfactorily combining the data transfer speed and the processing speed difference between the two devices when data is transferred from one device to another.
The output buffer may have a function of compensating for the difference between the processing speed of the output module and the processing speed of the management module in order to be output to the user through the output module.
Referring to FIG. 2, the
According to an embodiment of the present invention, the
According to an embodiment of the present invention, the management module, the communication module decoding buffer, the decoder, the output buffer, and the output module of the
According to an embodiment of the present invention, the touch processing module may generate a control signal capable of controlling a display using an input value obtained by a user touching a certain portion of the display.
3 is a block diagram of a large screen
The large screen
According to an embodiment of the present invention, the large screen
According to an embodiment of the present invention, the
The
Here, the connection request signal and the connection response signal may be signals including information requesting that an external terminal is connected to a large-screen display and transmitting / receiving data or signals to each other. The large-
In addition, according to an embodiment of the present invention, the connection request signal may include information on a video processing capability of a corresponding terminal, such as a frame rate of the
Also, according to an embodiment of the present invention, the connection request signal may include information on a priority order, and a plurality of
The
Here, the screen data may mean image data provided by the large-
According to an embodiment of the present invention, the screen data may be a plurality of data including a plurality of packets, and in the case of a plurality of screens, the screen data transmitting step may be continued until all necessary screen data are transmitted.
According to an embodiment of the present invention, the screen environment adjustment data may include data input from a user via the
Here, a predetermined algorithm according to an embodiment of the present invention will be described in more detail with reference to FIGS. 8, 9A and 9B.
According to one embodiment of the present invention, adjusting the screen preference may use a method of updating the screen preference value for the screen ratio and resolution already stored to an input value for the screen ratio or resolution included in the screen preference data have.
According to the embodiment of the present invention, the screen data control signal can be generated by the touch
According to the above embodiment, the screen data transmitted to the
The method of converting the screen data according to the screen environment setting will be described in detail with reference to FIG.
The touch
The touch data according to an exemplary embodiment of the present invention may include data including a touch input value received from a user through the
According to an embodiment of the present invention, the conversion of the received touch data into the screen data control signal includes deriving a plurality of commands corresponding to the signals input from the sub-display by touch using the plurality of touch data, So as to generate a screen data control signal capable of controlling transmission and reception of screen data.
At this time, according to an embodiment of the present invention, the touch data transmitted from the
4 is a diagram illustrating a flow of data between the apparatus for controlling a
Referring to FIG. 4, it is shown that the large
The large screen
At this time, the connection request data may include information on the image processing capability of the
According to an embodiment of the present invention, the apparatus for controlling large-
After the connection, the large screen
According to an embodiment of the present invention, the sub-display may receive the screen environment adjustment data to update the stored screen environment settings, and then convert the screen data according to the updated screen environment settings, 20).
According to an embodiment of the present invention, at least one touch data including a touch command input by a user is received from the
FIG. 5 is a diagram illustrating changing screen data in a large screen display control apparatus according to an exemplary embodiment of the present invention in accordance with a screen configuration.
Referring to FIG. 5, the resolution of the screen data according to the screen environment setting of the large screen
According to the embodiment of the present invention, the large-screen
Here, according to the embodiment of the present invention, the resolution is changed by reducing the number of frames requiring high image processing capability in the frame processing included in the screen data and reducing the number of frames so that the processing can be performed even with a relatively low image processing capability A method of changing the frame rate to a lower value can be used.
According to another embodiment of the present invention, a frame rate may be changed by selecting only a part of frames from a plurality of frames and transmitting the frame data as screen data to convert the frame rate to a lower frame rate. A method of selecting only a frame corresponding to a preset condition without limitation, and a method of selecting a certain frame can be used without limitation.
A method of changing resolution according to the embodiment will be described in detail with reference to FIG. 6 and 7a and 7b.
6 is a diagram illustrating a format of a frame included in screen data according to an exemplary embodiment of the present invention.
Referring to FIG. 6, a frame included in screen data may include an I frame and a P frame B frame.
An I frame is a frame that is the most basic frame, and can be decoded regardless of the preceding and following frames, and can be decoded by only information in the current image.
The P frame may refer to a frame that calculates an error between a previous frame and a current frame and displays information whose error is greater than a preset threshold value with the corresponding block of the previous frame. Decoding is possible.
The B frame is the same compression process as the P frame, but displays the error information not only with the previous frame but also with the next frame. It is impossible to decode the same as the P frame alone, This is possible.
7A is a diagram showing an embodiment for converting resolution using an I frame and a P frame.
Referring to FIG. 7A, it is possible to convert resolution by selecting only I frames and transmitting them.
According to an embodiment of the present invention, only an I frame can be selected and transmitted in order to lower the resolution, so that only a selected I frame from the decoding buffer through the large screen
FIG. 7B is a diagram illustrating an embodiment for converting resolution using a method of periodically selecting frames.
According to an embodiment of the present invention, only the I frame may be selected and transmitted to the
Thus, the delay in the processing of the screen data in the
According to an embodiment of the present invention, if the high frame rate of the
8 is a diagram illustrating transmission of screen data to a sub-display in the apparatus for controlling large-
Referring to FIG. 8, FO may be set to the basic frame rate (frame / sec) of screen data provided by the
At this time, the FO of the screen data may have various values such as 8, 24, 30, 33, and 60 depending on the type of multimedia provided by the
The FN may refer to a frame rate that the sub-display 20 can process, and the FN may be received from the user via the sub-display 20 or may be set to a predetermined value.
According to an embodiment of the present invention, the original frame number fO of the screen data provided from the
According to the embodiment, the large screen
Where mod is the remainder when A is divided by B when (A mod B), and [C] is the natural number closest to C and can be a rounding operator.
At this time, it is possible to increase the frame number fN used for transmission to the
9A is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the decoding buffer of the present invention.
According to an embodiment of the present invention, the frame transmission rate (FN) in FIG. 8 can be set by including image processing capability information in the connection request data of the
However, according to another embodiment, since the sub-display 20 may vary the image processing capability depending on the state of the current process, such as when a complex application program is being executed in the sub-display 20, The frame transmission rate FN including the image processing capability information can be set.
According to an embodiment of the present invention, the fN frame can be received from the
If the capacity of the decoding buffer of the
On the other hand, if the capacity of the decoding buffer of the
9B is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the output buffer of the present invention.
According to the second embodiment of the present invention, a frame to be decoded can be fetched from a decoding buffer and decoded by a decoder and then transmitted to an output buffer. If the output buffer is full, a frame rate higher than that of the sub- Since the screen data is transmitted, it is possible to transmit the screen environment adjustment data including the command to lower the frame transmission rate to the large screen
On the other hand, if the output buffer is vacant than a predetermined level, the screen data is transmitted at a frame transmission rate lower than the image processing capability of the
According to the embodiments shown in FIGS. 9A and 9B, the condition for transmitting the screen environment adjustment data including the above-mentioned specific information can transmit the screen environment adjustment data as soon as the condition is satisfied, but the present invention is not limited thereto. The screen environment adjustment data may be transmitted when the number of times exceeds a predetermined number.
In addition, one embodiment shown in Figs. 9A and 9B may be implemented as described above, and only one embodiment may be implemented.
10 is a flowchart illustrating a method of controlling a large screen display using a touch screen based sub-display according to an embodiment of the present invention.
A connection request signal is received from an external terminal (S10).
According to an exemplary embodiment of the present invention, the connection request signal may include information on the image processing capability of the terminal, such as the frame rate of the sub-display 20 that transmitted the signal.
Also, according to an embodiment of the present invention, the connection request signal may include information on a priority order, and a plurality of sub displays 20 are connected to one large screen
The external terminal that has transmitted the connection request signal is registered as a sub-display (S20).
Here, the external terminal may refer to a terminal device equipped with a touch screen panel and capable of a network equipped with a touch interface.
Generates registration information, and transmits a connection response signal including registration information (S30).
Here, the connection request signal and the connection response signal may be signals including information requesting that an external terminal is connected to a large-screen display and transmitting / receiving data or signals to each other. The large-
Screen data is transmitted to the sub display according to the screen environment setting (S40).
According to an exemplary embodiment of the present invention, at least one screen data may be transmitted according to a screen configuration preset in the
The screen environment setting is updated according to the received screen environment adjustment data (S50).
The screen environment setting can be updated and adjusted according to the screen ratio or the screen data transmission rate information included in the received screen environment adjustment data.
Here, the screen data may mean image data provided by the large-
According to an embodiment of the present invention, the screen data may be a plurality of data including a plurality of packets, and in the case of a plurality of screens, the screen data transmitting step may be continued until all necessary screen data are transmitted.
According to an embodiment of the present invention, the screen environment adjustment data may include data input from a user via the
According to one embodiment of the present invention, adjusting the screen preference may use a method of updating the screen preference value for the screen ratio and resolution already stored to an input value for the screen ratio or resolution included in the screen preference data have.
Touch data is received (S60).
The touch data according to an exemplary embodiment of the present invention may include data including a touch input value received from a user through the
According to an embodiment of the present invention, the touch data transmitted from the
A screen data control signal is generated using the received touch data (S70).
According to an embodiment of the present invention, the conversion of the received touch data into the screen data control signal includes deriving a plurality of commands corresponding to the signals input from the sub-display by touch using the plurality of touch data, So as to generate a screen data control signal capable of controlling transmission and reception of screen data.
Screen data corresponding to the screen data control signal is received (S80).
According to the embodiment of the present invention, the screen data control signal may be generated in the touch
The received screen data is converted according to the updated screen configuration (S90).
According to an embodiment of the present invention, the screen data transmitted from the management module of the
According to the above embodiment, the method described in Fig. 5 can be used as a method of converting the screen data according to the screen configuration.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various modifications and improvements of those skilled in the art using the basic concept of the present invention are also within the scope of the present invention.
100: sub display interlock part 200: screen adjustment part
300: touch data processing unit 1000: large screen display control device
Claims (1)
Transmits at least one screen data according to the screen configuration to the sub display corresponding to the received registration information and adjusts the screen configuration according to the screen ratio or screen data transmission rate information included in the received screen environment adjustment data A screen adjusting unit for converting received screen data according to the screen data control signal according to the adjusted screen environment setting and transmitting the converted screen data; And
And a touch data processor for converting the received touch data into the screen data control signal and transmitting the converted screen data control signal.
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KR1020150067638A KR20160134134A (en) | 2015-05-14 | 2015-05-14 | Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor |
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KR1020150067638A KR20160134134A (en) | 2015-05-14 | 2015-05-14 | Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180097072A (en) | 2017-02-22 | 2018-08-30 | 서경대학교 산학협력단 | Touch position processing apparatus and display module with the same |
KR102166684B1 (en) | 2019-04-30 | 2020-10-16 | 서경대학교 산학협력단 | Touch position processing apparatus and display apparatus with the same |
-
2015
- 2015-05-14 KR KR1020150067638A patent/KR20160134134A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180097072A (en) | 2017-02-22 | 2018-08-30 | 서경대학교 산학협력단 | Touch position processing apparatus and display module with the same |
KR102166684B1 (en) | 2019-04-30 | 2020-10-16 | 서경대학교 산학협력단 | Touch position processing apparatus and display apparatus with the same |
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