TWM516205U - Video matrix control device - Google Patents

Abstract

A video matrix control apparatus is disclosed, which includes a switch, a microcontroller, and a plurality of video processors. The switch receives video signals from the video sources. The video processors are coupled to the switch and corresponded to a plurality of display screens respectively, wherein the display screens form a TV wall. The microcontroller defines an absolute coordinate area of the TV wall. When the microcontroller receives an operation signal from a human interface device, the microcontroller generates a control signal according to a coordinate position within the absolute coordinate area corresponding to the operation signal, and transmits the control signal to the switch and at least one video processor, so that the video processor generates an operation screen and a cursor to be displayed on the TV wall, and the TV wall can be set to operate by operating the cursor on the operation screen through the human interface device.

Description

Video matrix control device

This creation is related to a control device, and in particular to a video matrix control device.

The video wall is a plurality of display devices that are combined by a matrix. In general, the prior art utilizes a video wall system device or a video matrix control apparatus that receives all input video of a plurality of display device combinations and according to the respective combinations of the combined pictures. The screen shows the demand. For example, the respective video content of all the display devices is processed first, and then transmitted to the corresponding display device in an appropriate format to display a screen, and a certain display screen belongs to a certain display component of the overall display of the video wall, and is assembled in the video wall. All of the display components become the overall display of a complete video wall.

Since traditional technology can only set the video wall by webpage, this is because only the webpage has a graphical interface, so an extra computer must be used to set the display of the video wall through the webpage. Therefore, if you do not use a web page but need a graphical interface to set the video matrix, there seems to be no solution.

Therefore, for the purpose of this creation, a video matrix control device is proposed, which can directly operate and set a video matrix control device through a human-machine interface device.

For the purpose of this creation, a video matrix control device is proposed, including a switching unit, a microcontroller, and a plurality of image processing units. The switching unit is configured to receive a plurality of image signals from a plurality of image sources. The image processing unit is coupled to the switching unit and correspondingly coupled to the plurality of display screens, wherein the display screen constitutes a video wall. The microcontroller is coupled to the human interface device, the switching unit and the image processing units for defining an absolute coordinate area of the video wall. When the microcontroller receives the operation signal from the human-machine interface device, the microcontroller generates a control signal according to the coordinate position of the operation signal in the absolute coordinate area, and transmits the control signal to the switching unit and the at least one image processing unit, so that the control signal is transmitted to the switching unit and the at least one image processing unit. The image processing unit generates an operation screen and a cursor and displays it on the TV wall, and can perform a setting operation of the video wall on the operation screen by operating the cursor through the human interface device.

In order to achieve these and other advantages, the present invention provides a video matrix control device that directly operates and sets a video matrix control device through a human-machine interface device without using an additional computer to operate through a web page. The video matrix control device is set, and the operation of the present creation and the manner of setting the video matrix control device are the same as the conventional operation mode through the webpage, and the user does not need to spend more time to learn the new operation mode.

Additional features and advantages of the present invention will become apparent from the description which follows. Other objects and advantages of the present invention will be realized and attained by the structure of the invention and the appended claims.

100‧‧‧Video Matrix Control Equipment

110‧‧‧Switch unit

120a~120n‧‧‧Image Processing Unit

130‧‧‧Microcontroller

140a~140n‧‧‧Image source

150a~150p‧‧‧display screen

160‧‧‧Human Machine Interface Device

200‧‧‧TV wall

201‧‧‧Sub-TV Wall

210‧‧‧ cursor

250‧‧‧ combination mark

260‧‧‧Separation mark

270‧‧‧Video input field

300,310,320,330‧‧‧ operation screen

325‧‧‧OK button

1 is a schematic diagram of a video matrix control device according to a preferred embodiment of the present invention; FIG. 2 is a schematic diagram showing a video wall; FIG. 3 is a flow chart showing the operation of the microcontroller according to the preferred embodiment of the present invention; 4A to FIG. 4D are schematic diagrams showing the setting operation of the video wall in the first preferred embodiment of the present invention; FIG. 5A to FIG. 5B are schematic diagrams showing the setting operation of the video wall in the second preferred embodiment of the present invention. 6A to FIG. 6B are schematic diagrams showing the setting operation of the video wall according to the third preferred embodiment of the present invention; FIG. 7A to FIG. 7C are diagrams showing the setting operation of the video wall according to the fourth preferred embodiment of the present invention. FIG. 8 is a schematic diagram showing a setting operation of a video wall according to a fifth preferred embodiment of the present invention; and FIG. 9 is a flow chart showing a method for controlling a video matrix according to a preferred embodiment of the present invention.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a schematic diagram of a video matrix control device according to a preferred embodiment of the present invention, and FIG. 2 is a schematic diagram of a video wall. As shown in FIG. 1, the video matrix control device 100 of the present invention includes a switching unit 110, a plurality of image processing units 120a-120n, and a microcontroller 130. The switching unit 110 is configured to receive a plurality of image signals from the plurality of image sources 140a-140n, and switch from the image source according to the control signal from the microcontroller 130. The image signals 140a~140n are output to the corresponding image processing units 120a-120n, wherein the switching unit 110 includes a multiplexer, and the image sources 140a-140n include, but are not limited to, a television, a computer, a digital video recorder, or a video camera.

The image processing units 120a-120n are coupled to the switching unit 110 and respectively coupled to the plurality of display screens 150a-150n, wherein the display screens 150a-150n form the video wall 200 as shown in FIG. In FIG. 2, the video wall 200 is a video wall 200 composed of 16 display screens 150a-150p composed of a 4×4 video matrix, but is not limited thereto, and may be, for example, 5×5, 6×6, 7×8 or other. More video walls that display the video frame of the video.

The microcontroller 130 is coupled to the switching unit 110, the image processing units 120a-120n, and the Human Interface Device (HID) 160 for defining an absolute coordinate area of the video wall 200. As shown in FIG. 2, the absolute coordinate area of the video wall 200 is an X×Y area.

Please refer to FIG. 1 to FIG. 3 simultaneously. FIG. 3 is a flow chart showing the operation of the microcontroller of the preferred embodiment of the present invention. First, in step S1, the microcontroller 130 calculates the total resolution of the video wall 200, for example, the total resolution of the video wall 200 composed of the 16 display screens 150a-150p of FIG. 2, wherein the total resolution of the video wall 200 is calculated. Contains a plurality of pixels. Next, in step S2, the microcontroller 130 sets the ratio of the displacement of the cursor 210 to the pixel. More specifically, the microcontroller 130 sets the relative displacement of the cursor 210 to the ratio of moving pixels. For example, as shown in FIG. 2, if the stride distance of the cursor 210 is the distance from the A point position of the video wall 200 to the position B, the microcontroller 130 calculates that the cursor 210 moves from point A to point B. How many pixels are used, and then the ratio of the displacement of the cursor 210 to the pixel is set.

Next, in step S3, the microcontroller 130 sets the upper left corner of the video wall 200 as a starting position, such as a coordinate (0, 0). Subsequently, at step S4, when the cursor 210 is moved over the video wall 200 When moving, for example, the cursor 210 moves from the starting coordinate M (0, 0) to the coordinate N (50, 150), the microcontroller 130 converts the displacement of the cursor 210 into an absolute coordinate. Then, in step S5, the microcontroller 130 determines the display screen corresponding to the absolute coordinates, for example, the absolute coordinates (50, 150) correspond to the display screen 150e. Finally, in step S6, the microcontroller 130 transmits the absolute coordinates (50, 150) to the image processing unit 120e corresponding to the display screen 150e, thereby causing the image processing unit 120e to generate an operation screen and a cursor on the display screen 150e, wherein the operation is performed. The screen and cursor are the On Screen Display (OSD).

In other words, when the microcontroller 130 receives the operation signal from the human interface device 160, the microcontroller 130 generates a control signal according to the coordinate position of the operation signal located in the absolute coordinate area, and transmits the control signal to the switching unit 110. The corresponding image processing unit, in this embodiment, is the image processing unit 120e, and further causes the image processing unit 120e to generate an operation screen and a cursor and display it on the display screen 150e of the video wall 200, and manipulate the cursor through the human interface device 160. The setting operation of the video wall 200 can be performed on the operation screen.

Referring to FIG. 4A to FIG. 4D, FIG. 4A to FIG. 4D are schematic diagrams showing the setting operation of the video wall according to the first preferred embodiment of the present invention. In this embodiment, the human interface device is a mouse. As shown in FIG. 4A, the creation performs a setting operation of the video wall, including dragging the cursor 210 from the C point position of the video wall 200 (corresponding to the display screen 150a) to the D point position by using the mouse and pressing the left mouse button. (corresponding to the display screen 150f). As shown in FIG. 4B, the left mouse button is then released. At this time, the display screens 150a, 150b, 150e, and 150f can be seen as the same group on the video wall 200 and the selected bright frames 155a, 155b, and 155e are presented. 150f. As shown in FIG. 4C, the mouse is used to call the operation screen 300, for example, pressing the right mouse button to call out the operation screen 300, and the display screens 150a, 150b, 150e, and 150f are set as the sub-video wall 201 through the operation screen 300, for example, control. Cursor 210 click The combination of operation screens 300 is indicated 250. To cancel the combination of the sub-video wall 201, the separation indicator 260 can be clicked to separate it into the original single picture. As shown in FIG. 4D, the operation screen 310 can then be called via the mouse, and the image source of the sub-video wall 201 can be selected through the video input field 270 of the operation screen 310, wherein the video input field 270 is, for example, a pull-down menu and can be selected. Different image sources.

Please refer to FIG. 5A to FIG. 5B . FIG. 5A to FIG. 5B are schematic diagrams showing the setting operation of the video wall according to the second preferred embodiment of the present invention. In this embodiment, the human interface device is a mouse. As shown in FIG. 5A, the creation performs a setting operation of the video wall, including selecting the display screen 150a of the video wall 200 using the mouse. As shown in FIG. 5B, the image source of display screen 150a can then be dragged and replaced onto display screen 150k or other display screen. In another embodiment, as shown in FIG. 5A, the human interface device includes a mouse and a keyboard, and the display screen 150a of the video wall 200 can be clicked by the mouse and the image source of the display screen 150a can be copied through the keyboard, for example, pressing the keyboard. Ctrl+X to perform copy and cut operations. As shown in FIG. 5B, the display screen 150c of the video wall 200 is then clicked by the mouse, and the image source of the display screen 150k is switched to the display screen 150c or other display screen through the keyboard, for example, pressing the Ctrl+V key of the keyboard. Perform the paste operation.

Please refer to FIG. 6A to FIG. 6B . FIG. 6A to FIG. 6B are schematic diagrams showing the setting operation of the video wall according to the third preferred embodiment of the present invention. In this embodiment, the human interface device includes a mouse and a keyboard. As shown in FIG. 6A, the creation performs a setting operation of the video wall, including using the mouse to select the display screen 150k of the video wall 200, and copying and displaying the image source of the screen 150k through the keyboard, for example, pressing the Ctrl+C key of the keyboard to execute Copy operation. As shown in FIG. 6B, the display screen 150c of the video wall 200 is then clicked using the mouse, and the image source of the display screen 150k is copied to the display screen 150c or other display screen through the keyboard, for example, pressing the Ctrl+V key of the keyboard. Execution sticker On the operation.

Referring to FIG. 7A to FIG. 7C, FIG. 7A to FIG. 7C are schematic diagrams showing the setting operation of the video wall according to the fourth preferred embodiment of the present invention. In this embodiment, the human interface device includes a mouse or a keyboard. As shown in FIG. 7A, the present creation performs a setting operation of the video wall, including selecting a display screen such as the display screen 150a of the video wall 200 using a mouse or a keyboard. As shown in FIG. 7B, the operation screen 320 is then called using a mouse or keyboard, and an enlarged size is selected through the operation screen 320, for example, the horizontal direction and the vertical direction are respectively selected to be 3, and then the OK button 325 in the operation screen 320 is clicked. As shown in FIG. 7C, after the OK button 325 is clicked, the image source of the display screen 150a will be enlarged to the number of display screens corresponding to the enlarged size (for example, 3 x 3).

Please refer to FIG. 8. FIG. 8 is a schematic diagram showing the setting operation of the video wall according to the fifth preferred embodiment of the present invention. In this embodiment, the human interface device includes a mouse or a keyboard. As shown in FIG. 8, the creation performs a setting operation of the video wall, including selecting a display screen of the video wall 200 using a human interface device, for example, displaying the screen 150f. Then, the operation screen 330 is called using a mouse or a keyboard. Next, the correspondence between the display screens 150a to 150f and the image source is set via the operation screen 330. For example, the display screen 150a can be set to correspond to the image source 140a or other image source.

Please refer to FIG. 9. FIG. 9 is a flow chart showing a method for controlling a video matrix according to a preferred embodiment of the present invention. The video matrix control method of the present invention comprises the following steps: in step S11, a human-machine interface device, a video matrix control device and a plurality of display screens are provided, wherein the human-machine interface device is coupled to the video matrix control device, and the video matrix control device receives the plurality of A plurality of image signals of the image source, the display screen is coupled to the video matrix control device, and the display screen constitutes a video wall. In step S12, an absolute coordinate area of the video wall is defined. In step S13, an operation signal from the human interface device is received. In step S14, according to the operation signal, it is located in the absolute coordinate area. The coordinate position produces a control signal. In step S15, an operation screen and a cursor are generated based on the control signal and displayed on the television wall. In step S16, the cursor is operated by using the human interface device, thereby performing a setting operation of the video wall on the operation screen.

In summary, the author directly manipulates and sets the video matrix control device through the human-machine interface device (HID), and does not need to use an additional computer to operate and set the video matrix control device through the webpage, so the device cost can also be reduced. In addition, the creation operation and the setting of the video matrix control device are similar to the conventional operation mode of the webpage, and the user does not need to spend more time to learn the new operation mode, and thus does not increase the burden on the user.

Those skilled in the art can make various modifications and changes to the present invention without departing from the spirit or scope of the present invention. Therefore, various modifications and changes are intended to be included within the scope of the present invention.

100‧‧‧Video Matrix Control Equipment

110‧‧‧Switch unit

120a~120n‧‧‧Image Processing Unit

130‧‧‧Microcontroller

140a~140n‧‧‧Image source

150a~150n‧‧‧display screen

160‧‧‧Human Machine Interface Device

Claims (11)

A video matrix control device includes: a switching unit for receiving a plurality of image signals from a plurality of image sources; a plurality of image processing units coupled to the switching unit and respectively coupled to the plurality of display screens, wherein the plurality of display screens are respectively coupled to the plurality of display screens Displaying a screen to form a video wall; and a microcontroller coupled to a human interface device, the switching unit and the image processing units for defining an absolute coordinate area of the video wall; wherein, when the microcontroller receives When an operation signal from the human interface device is reached, the microcontroller generates a control signal according to the operation signal located at a target position in the absolute coordinate area, and transmits the control signal to the switching unit and the at least one image. The processing unit causes the image processing unit to generate an operation screen and a cursor and display the image on the television wall, and the operation setting of the video wall can be performed on the operation screen by operating the cursor through the human interface device. The video matrix control device of claim 1, wherein the operation screen and the cursor are an on-screen display (OSD). The video matrix control device of claim 1, wherein the microcontroller further comprises calculating a total resolution of the video wall, setting a ratio of the displacement of the cursor to a pixel, and setting the upper left corner of the video wall. For a starting position, the displacement of the cursor is converted into an absolute coordinate, the display screen corresponding to the absolute coordinate is determined, and the absolute coordinate is transmitted to the image processing unit corresponding to the display screen. The video matrix control device according to claim 3, wherein the image processing unit root The operation screen and the cursor are generated based on the absolute coordinates and displayed on the television wall. The video matrix control device of claim 1, wherein the human interface device is a mouse, the setting operation comprises using the mouse to drag the cursor and setting at least two display screens of the video wall. For a group, use the mouse to call a first operation screen and set the group as a sub-video wall through the first operation screen, and call a second operation screen via the mouse and pass the second operation The screen selects the image source of the sub-TV wall. The video matrix control device of claim 1, wherein the human interface device is a mouse, and the setting operation comprises using the mouse to drag the image source of the first display screen of the video wall and Replace it on a second display screen. The video matrix control device of claim 1, wherein the human interface device comprises a mouse and a keyboard, the setting operation comprises: using the mouse to select a first display screen of the video wall, and Copying the image source of the first display screen through the keyboard, and using the mouse to select a second display screen of the video wall, and copying the image source of the first display screen to the second display screen through the keyboard on. The video matrix control device of claim 1, wherein the human interface device comprises a mouse and a keyboard, the setting operation comprises: using the mouse to select a first display screen of the video wall, and Copying the image source of the first display screen through the keyboard, and using the mouse to select a second display screen of the video wall, and switching the image source of the first display screen to the second display screen through the keyboard on. The video matrix control device of claim 1, wherein the setting operation comprises: using the human interface device to select any display screen of the video wall and calling the operation screen, and selecting an enlarged size through the operation screen, Enlarge the image source of the display screen to correspond The number of displayed screens in the enlarged size. The video matrix control device of claim 1, wherein the setting operation comprises: using the human interface device to select any display screen of the video wall and calling the operation screen to set the display through the operation screen. The correspondence between the screen and the source of the images. The video matrix control device of claim 1, wherein the switching unit is configured to switch the image signals to the corresponding image processing unit according to the control signal.