TWM539192U - Controller for simulating images and virtual displays - Google Patents

Abstract

The utility model provides a controller for simulating images and virtual displays. The controller, coupled between an image input and an image output, includes a EDID simulating module, a visible range module and a logic module. The image input receives a simulated image based on a EDID simulating signal, generated from the EDID simulating module, to provide to the controller. The logic module, coupled between the EDID simulating module and the visible range module, generates a visible image by capturing from a part of the simulated image.

Description

Analog display screen and control device and system supporting virtual display device

The present invention relates to a control device, and more particularly to a control device, a system and a method thereof that can simulate a display screen and support a virtual display device.

Thanks to technology, the display device is changing with each passing day, and its visual effects are gradually close to the world of human eyes. The 2D black and white picture of the early image tube TV gradually developed into a stereoscopic image of the LCD 3D TV. In recent years, virtual reality (VR) has attracted much attention. Various technology companies have stepped into this field and actively developed head-mounted virtual display devices and related hardware and software.

In order to make VR vision wider, by extending virtual images to achieve this goal, and at the same time extending VR applicability, to date, the application of extended virtual images is hindered by two factors: (1) limited by resolution; (2) Limited by interface bandwidth.

In the prior art, the resolution of the output image at the image output depends on the resolution of the image source. In addition, the extended image signal is limited by the interface bandwidth, so that the virtual image displayed in the VR display device is insufficient. It is wide and cannot be close to the world of human eyes, and the image output end and the image source end need to match each other in order to smoothly transmit the virtual image. As a result, consumers are limited in the purchase of VR-related hardware and software.

In view of the lack of the prior art, the present invention provides a control device between the image source end and the image output end, which can not only simulate a large display screen, but also support a virtual display device.

In view of the above-mentioned shortcomings of the prior art, the first object of the present invention is to provide a control device for simulating a display screen and supporting a virtual display device, which is coupled between an image source end and an image output end. The device comprises a control unit, a memory unit, an analog EDID unit, a visual range unit and a logic circuit unit. The analog EDID generates an analog EDID signal, and the image source obtains the analog EDID signal to generate a physical picture and provides the physical picture to the control device. The visual range unit obtains a visual range parameter of the image output end. The logic The circuit unit is coupled between the analog EDID unit and the visible range unit, and the logic circuit unit extracts at least a portion from the physical image according to the visible range parameter to be a visible range image, and transmits the image to the image output end. .

To achieve the above first objective, the control device is further coupled to an input device for determining the visual range parameter. The control device further includes: a switching unit and a memory unit, the switching unit is coupled between the image source end and the analog EDID unit, the switching unit provides a video channel and a command channel, and the memory unit is configured to store the Physical picture. The image source passes through the command channel to obtain the analog EDID signal, and the input device transmits an instruction to the image source through the command channel, and the physical picture is transmitted to the logic circuit unit through the video channel. The image source includes a plurality of electronic computing devices, and the image output includes a plurality of head mounted display devices, the input device including a keyboard and a mouse. The logic circuit unit includes an FPGA.

The second object of the present invention is to provide a control system for simulating a display screen and supporting a virtual display device, which is coupled between an image source end and an image output end, the system comprising: a transmitting module and a receiving Module. The transmitting module comprises a memory unit, an analog EDID unit, a control unit and a logic circuit unit, and the receiving module comprises a visible range unit. The analog EDID unit of the transmitting module generates an analog EDID signal, and the image source obtains the analog EDID signal to generate a physical picture, and stores the physical picture into the memory unit. The visual range unit obtains a visual range parameter of the image output end. The logic circuit unit is coupled between the analog EDID unit and the visible range unit, and the logic circuit unit extracts at least a portion from the physical image according to the visible range parameter to be a visible range screen, and transmits the image to the image. Output.

For the second purpose, the system is further coupled to an input device for determining the visual range parameter. The system further includes a switching unit coupled between the image source and the analog EDID unit, the switching unit providing a video channel and an instruction channel. The image source passes through the command channel to obtain the analog EDID signal, and the physical picture passes through the video channel for transmission to the logic circuit unit, and the input device transmits an instruction to the image source through the command channel. The image source includes a plurality of electronic computing devices, and the image output includes a plurality of head mounted display devices, the input device including a keyboard and a mouse. The logic circuit unit includes an FPGA.

The third object of the present invention is to provide a method for simulating a display screen and supporting a virtual display device, which is implemented between an image source end and an image output end, the method comprising: generating an analog EDID signal; After simulating the EDID signal, generating a physical picture; Obtaining a visible range parameter of the image output end; and, according to the visible range parameter, capturing a visible range picture from the physical picture, and transmitting the image to the image output end.

For the above third purpose, the image source end passes through a command channel to obtain the analog EDID signal. The visual range parameter is determined by an input device. The image source includes a plurality of electronic computing devices, and the image output includes a plurality of head mounted display devices, the input device including a keyboard and a mouse.

100‧‧‧ Equipment

102‧‧‧Simulated EDID unit

104‧‧‧visible range unit

106‧‧‧Logical circuit unit

102a‧‧‧Simulated EDID signal

104a‧‧‧visible range parameters

106a‧‧‧visible range screen

20‧‧‧Image source

20a‧‧‧ physical picture

30‧‧‧Image output

40‧‧‧ Input device

101‧‧‧ memory unit

108‧‧‧Switch unit

1082‧‧‧Video channel

1084‧‧‧Command channel

50‧‧‧Distributor

103‧‧‧ memory unit

100TX‧‧‧ launching module

100RX‧‧‧ receiving module

The first figure shows a block diagram of the device of the novel device.

The second figure shows a schematic diagram of the application of the first figure.

The third figure shows another application diagram of the first figure.

The fourth figure shows the flow chart of the steps of the present invention.

The fifth figure shows a schematic diagram of the physical picture.

The above aspects and the advantages of the present invention will be more readily understood by the following detailed description, and the <RTIgt;

The present invention will be described in detail by way of preferred embodiments and aspects. The following description provides specific implementation details of the present invention so that the reader can thoroughly understand the manner in which these embodiments are practiced. However, those skilled in the art must understand that the present invention can also be implemented without these details. In addition, some well-known structures or functions may be described or described in detail to avoid obscuring the description of the various embodiments. The terms used in the following description will be interpreted in the broadest sense, even if A detailed description of a particular embodiment of the present invention is used together.

Referring to the first drawing, the figure shows a block diagram of a preferred display mode display screen of the present invention and a control device 100 (hereinafter referred to as device 100) supporting the virtual display device. The device 100 is coupled between at least one image source 20 and at least one image output terminal 30. The image source 20 includes a plurality of electronic computing devices, such as a desktop computer, a notebook computer, a tablet computer, and the like. The electronic computing device of the screen, the video output 30 includes a virtual display device, such as a virtual display device (VR glasses). In the preferred embodiment, the image source 20 is a desktop computer, and the image output terminal 30 is a head-mounted virtual display device, but is not limited thereto. The embodiments described below are depicted without the need to install any software to highlight the convenience of the novel creation.

The device 100 includes a control unit 101, an analog EDID unit 102, and a visual Range unit 104 and a logic circuit unit 106. In one embodiment, the control unit 101, the analog EDID unit 102, the visual range unit 104, and the logic circuit unit 106 are integrated into an FPGA/SOC architecture, and the control unit 101 is coupled to the memory unit 103.

In one embodiment, first, the analog EDID unit 102 in the device 100 generates an analog EDID signal 102a in the device 100 according to the parameters of the image source terminal 20. In detail, the analog EDID unit 102 simulates the analog EDID signal 102a in the device 100 according to the number of the image source 20 and the actual parameters of the video card, which is greater than the actual EDID of each image source 20 (Extended Display) The identification data, the external display device identification data, and the image source 20 receive the simulated EDID signal 102a calculated by the device 100 for subsequent operations.

After the image source 20 receives the obtained analog EDID signal 102a, the image source 20 will follow the analog EDID signal 102a to generate a physical picture 20a and store it in the device 100. In an embodiment, referring to the fifth figure, the figure shows a schematic diagram of generating a physical picture 20a.

At the same time as the physical picture 20a is generated, the visible range unit 104 in the device 100 obtains a visible range parameter 104a from the image output terminal 30 and stores it. In another embodiment, the device 100 is further coupled to a peripheral device 40 that can input commands, such as a keyboard, a mouse, etc., and the user or administrator passes through the peripheral device 40 to input the visual range parameter 104a. It should be noted that the visible range parameter 104a obtained by the visible range unit 104 does not need to be transmitted to the host of the image source 20, and is transmitted to the logic circuit unit 106. However, the visible range parameter 104a input through the peripheral device 40 is required. The host that is transferred to the image source 20 is shown by the dashed line in the first figure.

In an embodiment, the logic circuit unit 106 is coupled between the analog EDID unit 102 and the visible range unit 104. After the device 100 completes the physical image 20a of the image source 20 and completes the visible range parameter 104a of the image output 30, the logic circuit unit 106 captures at least a portion of the solid image 20a according to the visible range parameter 104a to become visible. The range screen 106a is transmitted to the video output terminal 30. As shown in the fifth figure, the complex area is captured from the physical screen 20a to become the visible range screen 106a, and each visible range screen 106a is transmitted to the corresponding image output end 30, and the size of each visible range screen 106a is According to the visible range parameter 104a of the corresponding image output end 30, the size of each visible range screen 106a may be the same or different. In one embodiment, logic circuit unit 106 includes an FPGA. It will be understood by those of ordinary skill in the art that, in principle, the size of the solid picture 20a is greater than the size of the viewable range picture 106a, in other words, the solid picture 20a is provided for the plurality of viewable range pictures 106a to different image output ends 30.

In an embodiment, the device 100 further includes a switching unit 108 and a memory unit 103. The memory unit 103 is configured to store the physical screen 20a, the visible range parameter 104a, and the visible range screen 106a. The switching unit 108 is coupled between the image source 20 and the analog EDID unit 102 to provide a video channel 1082 and an instruction channel 1084. Further, the image source 20 transmits the command channel 1084 to obtain an EDID signal. The physical picture 20a generated by the host 20 is transmitted to the logic circuit unit 106 through the video channel 1082. In an embodiment, the video channel 1082 can be a Display Data Channel (DDC).

In the preferred embodiment, the device 100 and the image source 20 are wired communication links (such as HDMI), and the video output terminal 30 is a wireless communication link (such as Bluetooth), but not limited thereto.

Referring to the second figure, the figure shows the application of device 100 as a signal extender. In a preferred embodiment, the device 100 can be further divided into a transmitting module 100TX and a receiving module 100RX, and the two modules 100TX and 100RX are coupled by cables, so that the image source terminal 20, the image output terminal 30, and the transmitting The module 100TX and the receiving module 100RX are integrated into a control system to achieve the effect of signal extension. The transmitting module 100TX includes a control unit 101, an analogEDID unit 102, a memory unit 103, a logic circuit unit 106, and a switching unit 108. The receiving module 100RX includes a visible range unit 104. The principle of signal extension will be explained in detail below.

First, the analog EDID unit 102 in the transmitting module 100TX generates an analog EDID signal 102a in the transmitting module 100TX according to the parameters of the image source terminal 20. In detail, the analog EDID unit 102 simulates and calculates the simulated EDID signal 102a in the transmitting module 100TX according to the number of the image source 20 and the actual parameters of the video card, which is greater than the EDID of each image source 20 (Extended The display identification data is connected, and the image source 20 receives the simulated EDID signal 102a calculated by the transmitting module 100TX for subsequent operations.

After the image source 20 receives the analog EDID signal 102a, the image source 20 will generate a physical picture 20a according to the simulated EDID signal 102a and store it in the memory unit 103 of the transmitting module 100TX.

While the physical picture 20a is being generated, the visible range unit 104 in the receiving module 100RX obtains a visible range parameter 104a from the image output terminal 30 and stores it. In another embodiment, the receiving module 100RX is further coupled to a peripheral device 40 that can input commands, such as a keyboard, a mouse, etc., and the user or administrator passes through the peripheral device 40 to input the visible range parameter 104a. It is worth noting that The visible range parameter 104a obtained by the range unit 104 does not need to be transmitted to the host of the image source 20, and is transmitted to the logic circuit unit 106. However, the visible range parameter 104a input through the peripheral device 40 needs to be transmitted to the image source terminal 20. The host is shown as the dotted line in the first figure.

In an embodiment, after the transmitting module 100TX completes the physical image 20a of the image source 20 and completes the visible range parameter 104a of the image output terminal 30, the logic circuit unit 106 of the transmitting module 100TX is configured according to the visible range parameter 104a. At least a portion of the physical screen 20a is captured to be the visible range screen 106a and transmitted to the video output terminal 30. In one embodiment, logic circuit unit 106 includes an FPGA. It will be understood by those of ordinary skill in the art that, in principle, the size of the solid picture 20a is greater than the size of the viewable range picture 106a, in other words, the solid picture 20a is for the plurality of viewable range pictures 106a to the image output 30. In this way, the transmitting module 100TX transmits the completed visible range screen 106a to the receiving module 100RX through the cable, and then transmits the signal to the image output unit 30, thereby achieving signal extension, and is not limited to the interface bandwidth. .

The third figure shows a schematic diagram of the combination of the novel creation signal extender and the dispenser, and transmits each of the plurality of visible range screens 106a to different image output ends 30, thereby achieving the functions of signal extension and signal synchronization. In this embodiment, the application of the second figure is used as a derivative, and a distributor 50 is coupled between the transmitting module 100TX and the image source end 20. The principle of the third figure is analogous to the second figure, and the illustration is simplified. It is to be understood that the internal unit structure diagrams of the transmitting module 100TX and the receiving module 100RX of the third figure are omitted.

Referring to the third figure, after the analog EDID unit 102 of each transmitting module 100TX receives the obtained analog EDID signal 102a, the image source terminal 20 passes through the distributor 50, and generates a physical picture 20a according to the simulated EDID signal 102a, and stores In the memory unit 103 of each transmitting module 100TX, the visible range unit 104 in each receiving module 100RX obtains the visible range parameter 104a from the image output terminal 30 and stores it. After the transmitting module 100TX completes the physical image 20a of the image source 20 and completes the visible range parameter 104a of each image output terminal 30, the logic circuit unit 106 of each transmitting module 100TX is based on different visible range parameters 104a. At least a portion of the physical screen 20a is captured and converted into a plurality of visible range screens 106a and transmitted to the corresponding video output terminal 30.

Referring to the fourth figure, there is shown a flow chart showing the steps of implementing the devices 100, 100TX and 100RX by the present creative embodiment. The process described herein provides examples of different steps. Although specific sequences and sequences are disclosed, the order of the steps of the process can be changed unless otherwise specified. Therefore, the described process is only shown For example, the process is performed by different sequential steps, and even some steps can be paralleled at the same time. In addition, not every implementation includes the same steps, and the embodiments described herein may omit one or more steps. This new creation also includes additional steps. The method 300 is implemented by the apparatus 100 described above. The following description is mainly performed by the apparatus 100 by operating the following steps, if necessary, in conjunction with other conventional steps and elements, the method 300 is not limited to being implemented by the same electronic computing device. In the steps, different electronic computing devices may be configured according to actual needs to implement the step process. Method 300 includes the following steps:

Step 302: Generate a simulated EDID signal. The analog EDID unit 102 within the device 100 generates an analog EDID signal 102a within the device 100 based on the parameters of the source of the image. In detail, the analog EDID unit 102 simulates the simulated EDID signal 102a in the device 100 according to the number of the image source 20 and the actual parameters of the video card, which is greater than the EDID of each image source 20, and continues, the image The source 20 receives the simulated EDID signal 102a calculated by the device 100 for subsequent operations.

Step 304: Generate a physical picture 20a. After the image source 20 obtains the analog EDID signal 102a, a physical picture 20a is generated. After the image source 20 receives the obtained analog EDID signal 102a, the image source 20 will follow the analog EDID signal 102a to generate a physical picture 20a and store it in the device 100.

In an embodiment, step 302 and step 304 are concurrently parallel, without prioritization.

Step 306: Obtain a visual range parameter 104a of the image output terminal 30. At the same time as the physical picture 20a is generated, the visible range unit 104 in the device 100 obtains a visible range parameter 104a from the image output terminal 30 and stores it. In another embodiment, the device 100 is further coupled to a peripheral device 40 that can input commands, such as a keyboard, a mouse, etc., and the user or administrator passes through the peripheral device 40 to input the visual range parameter 104a.

In an embodiment, step 306 is performed in parallel with step 302 and step 304, and is also performed independently.

Step 308: Generate a visual range screen 106a. In an embodiment, a visible range screen 106a is captured from the physical screen 20a according to the visible range parameter 104a, and transmitted to the image output end 30. In an embodiment, the logic circuit unit 106 is coupled between the analog EDID unit 102 and the visible range unit 104. After the device 100 completes the physical image 20a of the image source 20 and completes the visible range parameter 104a of the image output terminal 30, the logic circuit unit 106 extracts the visible range screen 106a from the physical image 20a according to the visible range parameter 104a. And transfer to image Output 30. In one embodiment, logic circuit unit 106 includes an FPGA.

In an embodiment, the device 100 further includes a switching unit 108 and a memory unit 103. The memory unit 103 is configured to store the physical screen 20a, the visible range parameter 104a, and the visible range screen 106a. The switching unit 108 is coupled between the image source 20 and the analog EDID unit 102 to provide the video channel 1082 and the command channel 1084. Further, the image source 20 transmits the command channel 1082 to obtain the EDID signal. The physical picture 20a generated by the host 20 is transmitted to the logic circuit unit 106 through the video channel 1082. In an embodiment, the communication channel 2082 can be a Display Data Channel (DDC).

Step 310: Transfer the visible range screen 106a to the image output end 30. As shown in the first three figures, the plurality of visible range screens 106 generated by the device 100 can be transmitted to the corresponding virtual display device (ie, the image output terminal 30) through wireless communication or wired communication.

The interface interface of the device 100 includes a physical port and a transmission interface thereof, which must match the interface of the image source 20 and the image output device 30. For example, if the image source 20 uses an HDMI interface transmitter, Then, the interface interface of the device 100 should adopt the HDMI interface, and the physical connection should adopt the HDMI dedicated connector. The transceiver components described herein include field programmable logic gate arrays (FPGAs) or other reconfigurable circuits that allow managers to program logic for real-world needs.

In summary, the novel creation device provides a control device coupled between the image source end and the image output end, and the new control device has to simulate an oversized display in terms of the image source end without installing any software. At the same time, the new control device also supports virtual display devices in terms of image output. In this way, not only can a wider virtual picture be created, but also a certain part of the virtual picture can be extended and transmitted to a plurality of virtual display devices, thereby improving applicability.

The above description is intended to be illustrative, and is not a Those of ordinary skill in the art in the field of this invention should be able to implement the present invention without some specific details. In other embodiments, conventional structures and devices are not shown in the block diagram. Intermediate structures may be included between the schematic elements. The elements described may include additional inputs and outputs, which are not depicted in detail in the drawings. The components mentioned in the different embodiments are separate circuits, but some or all of the components may be integrated into a single circuit, and thus the different components described in the appended claims may correspond to one or more portions of the circuit. Features.

The present invention includes various processing programs that are executed by hard disk components. Or embedded in a computer readable instruction, which can form a general or special purpose processor or logic circuit with programming instructions to execute the program. In addition, the program must be combined by hardware and software. carried out. One or more modules, components or components described herein may comprise hardware, software and/or a combination of the two. The modules described in the embodiments include software, software data, instructions and/or configurations. It is provided by the manufacture of the mechanism/electronics/hardware described herein. Portions of the present invention provide a computer program product comprising a non-transitory computer readable medium having stored instructions, the computer program (or other electronic component) being executed in accordance with the present invention. Computer readable media may include, without limitation, flexible floppy disks, optical floppy disks, CD-ROMs, ROMs, RAMs, EPROMs, EEPROMs, magnets or optical cards, flash memory, or other types that are suitable for access. Media/computer readable media for electronic instructions. In addition, the present invention can also be downloaded as a computer program product, which can be transmitted from a remote computer to a designated computer.

The method is described in a basic form, and any method or message is added or deleted from the program without departing from the scope of the present invention. Those skilled in the art will be able to further improve or modify the present invention. To illustrate, not limit the present invention.

If a component "A" is coupled (or coupled) to component "B", component A may be directly coupled (or coupled) to B, or indirectly coupled (or coupled) to B via component C. If the specification states that a component, feature, structure, program, or characteristic A will result in a component, feature, structure, procedure, or characteristic B, it indicates that A is at least part of B, or indicates that there are other components, features, or structures. , program or feature assists in causing B. The word "may" as used in the specification, its elements, features, procedures or characteristics are not limited to the description; the number mentioned in the specification is not limited to the words "a" or "an".

The present invention is not limited to the specific details described herein. In the spirit and scope of the present invention, many different new variations related to the previous description and schema are permitted. Accordingly, the invention is intended to cover the modifications and modifications of

100‧‧‧ Equipment

102‧‧‧Simulated EDID unit

104‧‧‧visible range unit

106‧‧‧Logical circuit unit

102a‧‧‧Simulated EDID signal

104a‧‧‧visible range parameters

106a‧‧‧visible range screen

20‧‧‧Image source

20a‧‧‧ physical picture

30‧‧‧Image output

40‧‧‧ Input device

103‧‧‧ memory unit

101‧‧‧ memory unit

108‧‧‧Switch unit

1082‧‧‧Video channel

1084‧‧‧Command channel

Claims (12)

A control device for simulating a display screen and supporting a virtual display device is coupled between an image source end and an image output end, the control device comprising: an analog EDID unit, generating an analog EDID signal, the image source end Acquiring the simulated EDID signal to generate a physical picture, and providing the physical picture to the control device; a visible range unit to obtain a visual range parameter of the image output end; and a logic circuit unit coupled to the simulation Between the EDID unit and the visible range unit, the logic circuit unit extracts at least a portion from the physical picture according to the visible range parameter to become a visible range picture and transmits to the image output end. The control device of claim 1, wherein the control device is further coupled to an input device to determine the visual range parameter. The control device as claimed in claim 2, further comprising: a switching unit coupled between the image source end and the analog EDID unit, the switching unit providing a video channel and an instruction channel; a memory unit for storing the physical picture, the visual range parameter, and the visual range picture. The control device of claim 3, wherein the image source end passes through the command channel to obtain the analog EDID signal, and the physical picture is transmitted through the video channel to the logic circuit unit. The control device of claim 3, wherein the image source comprises a plurality of electronic computing devices, and the image output comprises a plurality of head mounted display devices, the input device comprising a keyboard and a mouse. The control circuit device of claim 1, wherein the logic circuit unit comprises an FPGA. A system for simulating a display screen and supporting a virtual display device is coupled between an image source end and an image output end, the system comprising: a transmitting module comprising: a memory unit; An analog EDID unit generates an analog EDID signal, the image source obtains the analog EDID signal to generate a physical picture, and provides the physical picture to the memory unit; and a logic circuit unit coupled to the analog EDID And a receiving module coupled to the transmitting module, the receiving module comprising: a visible range unit, obtaining a visible range parameter of the image output end; wherein the logic circuit unit is based on the visible range parameter At least a part of the physical picture is captured to be a visual range picture and transmitted to the image output end. The system of claim 7, wherein the system is further coupled to an input device to determine the visual range parameter. The system of claim 8, wherein the transmitting module further comprises: a switching unit coupled between the image source and the analog EDID unit, the switching unit providing a video channel and a command channel. The system of claim 9, wherein the image source passes through the command channel to obtain the analog EDID signal, and the physical picture is transmitted to the logic circuit unit through the video channel. The system of claim 9, wherein the image source comprises a plurality of electronic computing devices, the image output comprising a plurality of head mounted display devices, the input device comprising a keyboard and a mouse. The system of claim 7, wherein the logic circuit unit comprises an FPGA.