CN117170551B - Method and system for displaying picture-in-picture of display controlled by software - Google Patents
Method and system for displaying picture-in-picture of display controlled by software Download PDFInfo
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Abstract
The invention discloses a method and a system for displaying a picture in a display under software control, wherein the method comprises the following steps: the first device sends a first signal source to the display through a first display signal transmission channel, and displays the first signal source in a full screen mode to form a first picture; the second device sends the second signal source to the display through a second display signal transmission channel, and displays the second signal source to the first picture in a superposition manner to form a second picture; the first device or the second device generates a control window and sends display state information to the display through a window data connection channel; the display synchronously adjusts the display state information of the second picture through the display state information of the control window. According to the method, the control window is generated in the first device or the second device, and the display state information of the control window is sent to the display through the window data connection channel, so that the problems that the display is complicated in picture-in-picture display operation and limited in functions due to a control menu and an operation button of the display are solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a method and a system for displaying a picture-in-picture of a display controlled by software.
Background
In the field of display technology, a picture-in-picture display function is often used. A picture-in-picture (Picture in Picture, PIP) is a method of covering a certain area above a main picture with another sub-picture by using digital technology, and most of current displays, especially those with a slightly larger size, generally support to simultaneously access 2 display signal sources, and cover one signal source in the display area of the screen in a manner of taking the other signal source as a picture-in-picture while displaying the signal source in full screen, so as to realize the picture-in-picture function. In the prior art, when performing these operations, it is usually necessary to turn on the menu of the display, turn on the pd function and perform positioning, and the whole process operation requires several seconds even if the whole process operation is skilled, if the stacking position and size of the pd are adjusted, the adjusting button of the position and size usually only provides several simple options due to the interaction limitation of the menu and button of the display, and cannot conveniently meet more specific requirements of the customer, so the current pd function implementation method is not only cumbersome in operation, but also limited in function.
Disclosure of Invention
The invention aims to provide a software-controlled display method and a software-controlled display system for a display picture-in-picture, and aims to solve the problems that the conventional display has complicated picture-in-picture display operation and limited functions by a control menu and an operation button of the display.
In a first aspect, an embodiment of the present invention provides a method for displaying a software-controlled display picture-in-picture, including:
the first device sends a first signal source to the display through a first display signal transmission channel, and displays the first signal source in a full screen mode to form a first picture;
the second device sends a second signal source to the display through a second display signal transmission channel and displays the second signal source to the first picture in a superposition manner to form a second picture;
the first device or the second device generates a control window and sends display state information of the control window to the display through a window data connection channel;
and the display synchronously adjusts the display state information of the second picture through the display state information of the control window.
Optionally, the software-controlled display-in-picture display method further includes:
And establishing a USB data connection channel between the first device or the second device and the display, and taking the USB data connection channel as the window data connection channel.
Optionally, the first device or the second device generates a control window, and sends display status information of the control window to the display through a window data connection channel, including:
generating a control window in the first device or the second device according to the default position and the default size;
adjusting the display position and the display size of the control window according to the instruction of the user, and generating display state information of the control window;
And sending the display state information of the control window to the display through a window data connection channel.
Optionally, the display synchronously adjusts the display state information of the second picture through the display state information of the control window, including:
The display receives display state information of the control window;
Analyzing the display state information to obtain the display position and the display size of the control window;
and synchronously adjusting the display position and the size of the second picture according to the display position and the size of the control window.
Optionally, the software-controlled display-in-picture display method further includes:
When the control window receives a full-screen display instruction, the control window sends the full-screen display instruction to the display to display the second picture in a full screen mode;
The control window repeatedly sends a full-screen display instruction to the processing display at intervals of a preset time period so as to keep the second picture in a full-screen display state;
When the control window receives a full-screen display stopping instruction, the control window sends the full-screen display stopping instruction to the display so as to enable the second picture to exit full-screen display.
Optionally, the software-controlled display-in-picture display method further includes:
and when the display is in the picture-in-picture state or the second picture state is displayed in a full screen mode, if the instruction sent by the control window is not received within the locking duration, closing the picture-in-picture function.
Optionally, the software-controlled display-in-picture display method further includes:
When the control window receives an auxiliary function instruction, the control window sends the auxiliary function instruction to the display so as to perform function adjustment on the display; the functions adjusted by the auxiliary function instruction include: one or more of volume control function, brightness control function, contrast control function, color temperature control function.
Optionally, the software-controlled display-in-picture display method further includes:
When the control window receives a remote operation instruction, the control window sends the remote operation instruction to the display;
the display forwarding the remote operation instruction to a second device;
and the second equipment executes the action corresponding to the remote operation instruction.
In a second aspect, embodiments of the present invention also provide a software-controlled display-in-picture display system, comprising:
a first device, a second device, and a display;
The first device is used for sending the first signal source to the display through the first display signal transmission channel and performing full-screen display to form a first picture;
The second device is used for sending a second signal source to the display through a second display signal transmission channel and displaying the second signal source to the first picture in a superposition manner to form a second picture;
The first device or the second device is used for generating a control window and sending display state information of the control window to the display through a window data connection channel;
The display is used for synchronously adjusting the display state information of the second picture through the display state information of the control window.
Optionally, in a software-controlled display-in-picture display system, a USB data connection channel is established between the first device or the second device and the display, and the USB data connection channel is used as the window data connection channel.
The embodiment of the invention provides a method and a system for displaying a picture in a display controlled by software, wherein a first device is used for transmitting a first signal source to the display through a first display signal transmission channel and displaying the first signal source in a full screen mode to form a first picture, a second device is used for transmitting a second signal source to the display through a second display signal transmission channel and displaying the second signal source in a superposition mode to the first picture to form a second picture, a control window is generated in the first device or the second device, display state information of the control window is transmitted to the display through a window data connection channel, and the display synchronously adjusts the display state information of the second picture through the display state information of the control window, so that the problems that picture in picture display operation is complicated and limited in function are solved by a control menu and an operation button of the display.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for displaying a picture in a display controlled by software according to an embodiment of the invention;
FIG. 2 is a schematic sub-flowchart of a software-controlled PIP display method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another sub-flowchart of a software-controlled PIP display method according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another sub-flowchart of a software-controlled PIP display method according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of another sub-flowchart of a software-controlled PIP display method according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a software-controlled PIP display system according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a software-controlled pip display method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1, fig. 1 is a flowchart of a method for displaying a picture in a display device controlled by software according to an embodiment of the invention, the method includes steps S101 to S104:
S101, a first device sends a first signal source to a display through a first display signal transmission channel, and displays the first signal source in a full screen mode to form a first picture;
s102, the second device sends a second signal source to the display through a second display signal transmission channel, and the second signal source is overlapped and displayed on the first picture to form a second picture;
In this embodiment, the first device transmits the first signal source (video signal) to the display through the first display signal transmission channel, and realizes full-screen display, forming a first picture; meanwhile, the second device transmits a second signal source (video signal) to the same display through a second display signal transmission channel. On the display, the second device superimposes a second signal source (video signal) onto the first screen using a superimposed display technique, forming a second screen. Therefore, the display menu positioning picture-in-picture function does not need to be started, a display signal transmission channel is established among the first equipment, the display and the second equipment, video signals are transmitted, and the picture-in-picture display function is realized. Through the PIP display function, the first equipment and the second equipment work cooperatively, and in an actual application scene, the PIP display method of the display can meet the requirement of a user for watching a plurality of signal sources simultaneously no matter video conference, monitoring display or multimedia presentation is carried out.
The embodiment of the invention also provides a software-controlled display picture-in-picture display method, which comprises the following steps:
And establishing a USB data connection channel between the first device or the second device and the display, and taking the USB data connection channel as the window data connection channel.
In this embodiment, since most of the computer monitors are connected to the display card or the motherboard, a USB circuit is usually provided. Because of the interactive limitation of the menu and buttons of the display, the display operation of the picture-in-picture is performed through the control menu and the operation buttons of the display, and the specific requirements of clients cannot be met conveniently, so that in order to realize the picture-in-picture display function, a USB data connection channel is established between the first device or the second device and the display.
Further, the above-mentioned USB data connection channel may be implemented in at least three cases: the first case is that the display has a separate USB interface connected with the first device or the second device, and the display is connected with the first device or the second device by using a USB connecting wire; the second case is when the USB Type C line is used to transmit the signal source (video signal), this line can be used as a USB data connection channel at the same time; in the third case, when a part of the display supports the use of the DisplayPort interface to transmit video signals, a USB data connection channel embedded in a protocol is used, but in this embodiment, the USB protocol does not strictly require a data encapsulation format, and specific protocol contents only need to be agreed on both ends of the USB data connection channel. DisplayPort (DP for short) is a digital video interface standard standardized by the association of PC and chip manufacturers, video Electronics Standards (VESA), which is authentication-free and authorization-free, and is mainly used for connecting video signal sources with devices such as displays, and also supports carrying audio, USB and other forms of data.
S103, the first device or the second device generates a control window and sends display state information of the control window to the display through a window data connection channel;
specifically, as shown in fig. 2, the step S103 includes S201 to S203:
S201, generating a control window in the first device or the second device according to the default position and the default size;
S202, adjusting the display position and the display size of the control window according to a user instruction, and generating display state information of the control window;
S203, sending the display state information of the control window to the display through a window data connection channel.
And S104, the display synchronously adjusts the display state information of the second picture through the display state information of the control window.
Control software is installed in the first device or the second device, and one main window, namely a control window, is arranged in the control software as a component for transmitting display state information of the control window to a display. When the control software is started, the control window is displayed, the main body part of the control window is a rectangular area, and the rectangular area occupies all areas of the control window except for titles, menus, toolbars and frames and is enlarged and reduced along with the size of the control window.
In a specific embodiment, when the control window meets any one of the following: when the control window starts to be displayed (program start); when the control window is restored from the minimization; when the control software exits from the full screen state; when the control window moves and the size is changed; when any of the above conditions is not satisfied for a period of time in the control window, it may be set to be generally 1 second; the method comprises the steps that the upper left corner coordinates (X, Y) of a rectangular area of a control window, the height (H) of the rectangular area and the width (W) of the rectangular area are obtained in real time, control software sends the four values obtained in real time to a display through a USB data connection channel, the display takes the upper left corner coordinates (X, Y), the height (H) of the rectangular area and the width (W) of the rectangular area as the picture-in-picture display position and the size of a second picture, and the second picture is overlapped on the screen of the display. It should be noted that although there is no actually effective display content in the rectangular area of the control software, on the display, the second screen is displayed in the same manner as the display in the rectangular area of the control software due to the superimposed display of the second screen, and in short, the second screen in the display only displays the rectangular area.
Further, as shown in fig. 3, the step S104 includes steps S301 to S303:
s301, the display receives display state information of the control window;
s302, analyzing the display state information to obtain the display position and the display size of the control window;
s303, synchronously adjusting the display position and the size of the second picture according to the display position and the size of the control window.
In the display, a processing device is provided as a component for receiving display state information of the control window and transmitting the display state information. The control software establishes connection with the processing equipment through a USB data connection channel. It should be noted that the control software mentioned above acquires four values of the control window in real time, and that these data, no matter what changes have occurred, all the data need to be sent each time for the processing device to process. For example, even if X is modified, XYHW values need to be transmitted simultaneously in a predetermined format. In a specific application scenario, after the mobile phone is connected to the computer, software of the computer can transmit data information in any state with the mobile phone at any moment.
Further, the embodiment of the invention also provides a software-controlled display method for the picture-in-picture display, which comprises the following steps of S401 to S403:
s401, when the control window receives a full-screen display instruction, the control window sends the full-screen display instruction to the display to display the second picture in a full screen mode;
S402, repeatedly sending a full-screen display instruction to the processing display by the control window every other preset time so as to keep the second picture in a full-screen display state;
S403, when the control window receives a full-screen display stopping instruction, the control window sends the full-screen display stopping instruction to the display so as to enable the second picture to exit full-screen display.
In this embodiment, in order to better meet the requirement of the user for viewing the second screen, the menu and toolbar of the control software provide a full screen display function for temporarily viewing the second screen in full screen, so that the user can more clearly observe the content of the second screen.
It should be further noted that, the display establishes a USB data connection channel with the first device or the second device, that is, a USB interface is provided on the display, and most of the display can be used as a USB HUB to connect with peripheral devices such as a keyboard and a mouse, where the USB HUB is a device capable of expanding one USB interface into multiple USB interfaces and enabling the USB interfaces to be used simultaneously, and after the data connection channel is established, the first device or the second device can identify the display.
Specifically, when entering a full-screen display state, the control software receives a full-screen display instruction, a control window of the control software sends the full-screen display instruction to the display to display the second picture in a full-screen mode, and the second picture is in the full-screen display state.
In the full-screen display state, at intervals of time, which may be set to 1 second in general (this time is an idle time), during which the control window of the control software repeatedly transmits a full-screen display instruction to the display, the second screen will remain in the full-screen display state.
When the control window of the control software receives the instruction for stopping full-screen display, the control window sends the instruction for stopping full-screen display to the display so as to enable the second picture to exit full-screen display. Specifically, if the user moves the mouse or operates the keyboard, the control software will exit the full screen state.
In this embodiment, a method for displaying a picture in a display device controlled by software includes:
and when the display is in the picture-in-picture state or the second picture state is displayed in a full screen mode, if the instruction sent by the control window is not received within the locking duration, closing the picture-in-picture function.
In order to prevent the picture-in-picture function from being locked when a special situation is encountered, in this embodiment, when the control software of the first device or the second device crashes, resulting in a dead computer, a broken line, a power failure, etc., the display needs to confirm that the control software is still on and remains in a usable state. When the display is in the picture-in-picture function enabling state or the control software receives a full screen display instruction, and the second picture is displayed in full screen, but no instruction sent by the control window is received within a period of time (usually 2 times of idle time), the picture-in-picture function is closed, and the function is used for preventing the picture-in-picture function of the display from being locked due to the stopping response of computer hardware or software. More specifically, to simplify the detection operation, the above operation is referred to as a "refresh" mechanism of the control software, which requires the control software to ensure that at least one message must be sent to the processing device in the display every idle time, and the control software is considered to have been exited if no message is received for a period of time, i.e. a dead time, or twice the idle time.
Further, an embodiment of the invention provides a method for displaying a picture in a display device controlled by software, which comprises the following steps:
When the control window receives an auxiliary function instruction, the control window sends the auxiliary function instruction to the display so as to perform function adjustment on the display; the functions adjusted by the auxiliary function instruction include: one or more of volume control function, brightness control function, contrast control function, color temperature control function.
In this embodiment, the menu and toolbar of the control software may provide a series of auxiliary functions such as a volume control function, a brightness control function, a contrast control function, a color temperature control function, etc., and the control window of the control software receives an auxiliary function instruction, sends an operation instruction of a user to the processing device in the display, and reads the current setting in the display to display in the control software interface, so as to perform function adjustment on the display. This reduces the likelihood that the user will need to operate on the display, which greatly facilitates the various requirements of the customer. In a specific embodiment, the display and the first device or the second device are connected with peripheral devices such as a USB HUB data connection keyboard and a mouse, so that keyboard operations can be intercepted when a control window obtains a focus, and positions and key operations of the mouse when the mouse enters a certain area of the window can be intercepted to perform function adjustment on the display.
As shown in fig. 5, the embodiment of the present invention further provides a software-controlled method for displaying a picture in a display, including steps S501 to S503:
s501, when the control window receives a remote operation instruction, the control window sends the remote operation instruction to the display;
s502, the display forwards the remote operation instruction to a second device;
S503, the second device executes the action corresponding to the remote operation instruction.
In this embodiment, the menu, toolbar, of the control software may provide a remote operation function, but using this function preferably satisfies the following conditions simultaneously: the second device is a computer, the second device establishes a USB data connection channel with the display at the same time, the second device (computer) installs a corresponding virtual mouse and a keyboard driver, and the control software enables a remote operation function through functions of a menu and a toolbar. At this time, when the control software obtains the focus, and the mouse moves, clicks or any action is performed on the keyboard in the rectangular area, the operations are sent to the processing device located on the display, the display forwards the operations to the second device again, the operations are reproduced through the virtual mouse and the keyboard, the actions corresponding to the operation instructions are performed on the first device, and the second device is controlled through the local keyboard and the mouse, so that some simple operations are realized. In particular, when the control software is in the full screen display state, a combination key needs to be set for exiting the remote operation function, that is, when the combination key is pressed, the control software exits the remote operation function, and the combination key is not transmitted to the second device.
As shown in fig. 6, an embodiment of the present invention further provides a software-controlled display-in-picture display system 700, including: a first device 701, a second device 702, a display 703.
The first device 701 is configured to send a first signal source to a display through a first display signal transmission channel, and perform full-screen display to form a first picture;
the second device 702 is configured to send a second signal source to the display through a second display signal transmission channel, and superimpose and display the second signal source on the first screen to form a second screen;
The first device 701 or the second device 702 is configured to generate a control window, and send display status information of the control window to the display through a window data connection channel;
And a display 703, configured to synchronously adjust the display status information of the second screen according to the display status information of the control window.
In an embodiment, a USB data connection channel is established between the first device or the second device and the display, and the USB data connection channel is used as the window data connection channel.
Fig. 7 is a schematic diagram of an explanatory framework and a principle of an embodiment of the present invention, specifically, a first device or a second device (the first device or the second device may be a computer) and a display implement video signal transmission through a USB data connection channel, where the display is a USB peripheral, and the computer is a USB host. The control software is operated on the computer, the control information is sent to corresponding processing equipment in the display in real time through the USB data connection channel, and meanwhile, state information (such as upper left corner coordinates (X, Y) of a control window, height (H) of a rectangular area, width (W) of the rectangular area, volume, brightness, contrast and the like) sent by the display is displayed in the control software, the processing equipment in the display converts the instruction into a control command in the display and executes the control command, and meanwhile, the display state information of the display is returned to the second equipment through the USB data connection channel.
It should be noted that, as those skilled in the art can clearly understand the specific implementation process of the above system, reference may be made to the corresponding description in the foregoing method embodiments, and for convenience and brevity of description, details are not repeated here.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. A software-controlled display-in-picture display method, comprising:
The first device sends a first signal source to the display through a first display signal transmission channel, and displays the first signal source in a full screen mode to form a first picture;
The second device sends a second signal source to the display through a second display signal transmission channel and displays the second signal source to the first picture in a superposition manner to form a second picture;
the first device or the second device generates a control window and sends display state information of the control window to the display through a window data connection channel;
the display synchronously adjusts the display state information of the second picture through the display state information of the control window;
the first device or the second device generates a control window and sends display state information of the control window to the display through a window data connection channel, and the method comprises the following steps:
generating a control window in the first device or the second device according to the default position and the default size;
adjusting the display position and the display size of the control window according to the instruction of the user, and generating display state information of the control window;
Transmitting the display state information of the control window to the display through a window data connection channel;
the main body part of the control window is a rectangular area, and the rectangular area occupies all areas of the control window except for titles, menus, toolbars and frames and is enlarged and reduced along with the size of the control window;
Acquiring the coordinate value of the upper left corner of the rectangular area of the control window, the height value of the rectangular area and the width value of the rectangular area in real time;
Transmitting the coordinate value of the upper left corner, the height value of the rectangular area and the width value of the rectangular area which are acquired in real time to a display through a USB data connection channel, wherein the display uses the coordinate value of the upper left corner, the height value of the rectangular area and the width value of the rectangular area as the picture-in-picture display position and the size of a second picture, and the second picture is overlapped on a screen of the display;
When the control window receives an auxiliary function instruction, the control window sends the auxiliary function instruction to the display so as to perform function adjustment on the display; the functions adjusted by the auxiliary function instruction include: one or more of a volume control function, a brightness control function, a contrast control function, and a color temperature control function;
And establishing a USB data connection channel between the first device or the second device and the display, and taking the USB data connection channel as the window data connection channel.
2. The software-controlled display-in-picture display method according to claim 1, wherein the display synchronously adjusts the display state information of the second screen through the display state information of the control window, comprising:
The display receives display state information of the control window;
Analyzing the display state information to obtain the display position and the display size of the control window;
and synchronously adjusting the display position and the size of the second picture according to the display position and the size of the control window.
3. The software-controlled display-in-picture display method of claim 1, further comprising:
When the control window receives a full-screen display instruction, the control window sends the full-screen display instruction to the display to display the second picture in a full screen mode;
The control window repeatedly sends a full-screen display instruction to the display every other preset time so as to keep the second picture in a full-screen display state;
When the control window receives a full-screen display stopping instruction, the control window sends the full-screen display stopping instruction to the display so as to enable the second picture to exit full-screen display.
4. The software-controlled display-in-picture display method of claim 3, further comprising:
and when the display is in the picture-in-picture state or the second picture state is displayed in a full screen mode, if the instruction sent by the control window is not received within the locking duration, closing the picture-in-picture function.
5. The software-controlled display-in-picture display method of claim 1, further comprising:
When the control window receives a remote operation instruction, the control window sends the remote operation instruction to the display;
the display forwarding the remote operation instruction to a second device;
and the second equipment executes the action corresponding to the remote operation instruction.
6. A software-controlled display-in-picture display system, comprising: a first device, a second device, and a display;
The first device is used for sending the first signal source to the display through the first display signal transmission channel and performing full-screen display to form a first picture;
The second device is used for sending a second signal source to the display through a second display signal transmission channel and displaying the second signal source to the first picture in a superposition manner to form a second picture;
The first device or the second device is used for generating a control window and sending display state information of the control window to the display through a window data connection channel;
the display is used for synchronously adjusting the display state information of the second picture through the display state information of the control window;
the first device or the second device generates a control window and sends display state information of the control window to the display through a window data connection channel, and the method comprises the following steps:
generating a control window in the first device or the second device according to the default position and the default size;
adjusting the display position and the display size of the control window according to the instruction of the user, and generating display state information of the control window;
Transmitting the display state information of the control window to the display through a window data connection channel;
the main body part of the control window is a rectangular area, and the rectangular area occupies all areas of the control window except for titles, menus, toolbars and frames and is enlarged and reduced along with the size of the control window;
Acquiring the coordinate value of the upper left corner of the rectangular area of the control window, the height value of the rectangular area and the width value of the rectangular area in real time;
Transmitting the coordinate value of the upper left corner, the height value of the rectangular area and the width value of the rectangular area which are acquired in real time to a display through a USB data connection channel, wherein the display uses the coordinate value of the upper left corner, the height value of the rectangular area and the width value of the rectangular area as the picture-in-picture display position and the size of a second picture, and the second picture is overlapped on a screen of the display;
When the control window receives an auxiliary function instruction, the control window sends the auxiliary function instruction to the display so as to perform function adjustment on the display; the functions adjusted by the auxiliary function instruction include: one or more of a volume control function, a brightness control function, a contrast control function, and a color temperature control function;
And establishing a USB data connection channel between the first device or the second device and the display, and taking the USB data connection channel as the window data connection channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN101576815A (en) * | 2008-05-06 | 2009-11-11 | 宏碁股份有限公司 | Display method of picture in picture and display system and display device thereof |
| CN113949923A (en) * | 2021-09-29 | 2022-01-18 | 联想(北京)有限公司 | Control method and control device |
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| KR20040071945A (en) * | 2003-02-07 | 2004-08-16 | 엘지전자 주식회사 | Image display device capable of controlling a subpicture and method thereof |
| CN1804995A (en) * | 2005-01-10 | 2006-07-19 | 庄钊文 | Display control method of implementing multi picture in picture |
| US20070008338A1 (en) * | 2005-05-28 | 2007-01-11 | Young-Chan Kim | Display system, display apparatus, and method of controlling video source and display apparatus |
| KR100662579B1 (en) * | 2005-11-19 | 2006-12-28 | 삼성전자주식회사 | Display apparatus and control method thereof |
| CN101060596A (en) * | 2007-05-11 | 2007-10-24 | 海尔集团公司 | TV set 'PIP' display window motion method |
| CN103248941B (en) * | 2013-03-27 | 2016-07-06 | 青岛中星微电子有限公司 | A kind of method of multi-channel video source simultaneous display and device |
| CN109617976A (en) * | 2018-12-24 | 2019-04-12 | 联想(北京)有限公司 | A kind of control method, device and electronic equipment |
| CN112291519B (en) * | 2020-10-21 | 2022-02-15 | 深圳慧源创新科技有限公司 | Display screen switching method and device, electronic equipment and storage medium |
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| CN101576815A (en) * | 2008-05-06 | 2009-11-11 | 宏碁股份有限公司 | Display method of picture in picture and display system and display device thereof |
| CN113949923A (en) * | 2021-09-29 | 2022-01-18 | 联想(北京)有限公司 | Control method and control device |
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