WO2019200914A1

WO2019200914A1 - Terminal and screen projection system

Info

Publication number: WO2019200914A1
Application number: PCT/CN2018/117049
Authority: WO
Inventors: 邱伟波
Original assignee: 广州视源电子科技股份有限公司; 广州视睿电子科技有限公司
Priority date: 2018-04-18
Filing date: 2018-11-22
Publication date: 2019-10-24
Also published as: CN108446088A

Abstract

A terminal (10) and a screen projection system, relating to the technical field of computers. The terminal (10) comprises a transceiver unit (11) and at least one control unit (12); the control unit (12) comprises a first interface (121) and at least two second interfaces (122); the first interface (121) is connected to the transceiver unit (11); the second interfaces (122) are used for connecting to an external device; the control unit (12) is configured to receive data with identifiers by means of the second interfaces (122) and send the data with the identifiers to the transceiver unit (11); the transceiver unit (11) is configured to receive the data with the identifiers; the identifiers correspond to the second interfaces (122). The terminal (10) can be connected to multiple screen projection signal sources, thereby decreasing the quantity of the terminal (10), and effectively reducing the costs of the screen projection system.

Description

Terminal and projection system

Technical field

The present invention relates to the field of computer technology, and in particular to a terminal and a projection screen system.

Background technique

The description of the background of the present invention is related to the related art of the present invention, and is merely for explaining and facilitating the understanding of the present invention. It should not be understood that the applicant explicitly believes or presumes that the applicant considers that the present invention is the first application. The prior art of the application date.

At present, in a wireless projection system, a projection signal source (such as a notebook, a tablet, a mobile phone, etc.) and a projection terminal are usually connected in a one-to-one manner, and in the case of multiple projection signal sources, multiple projection screens are required. Terminals lead to high costs.

Summary of the invention

In order to solve the problem of high cost of the current wireless projection system, the embodiment of the invention provides a terminal and a projection screen system, which effectively reduces the cost of the projection screen system.

In a first aspect, an embodiment of the present invention provides a terminal, including a transceiver unit and at least one control unit. The control unit includes a first interface and at least two second interfaces, and the first interface is connected to the transceiver unit. The second interface is configured to be connected to an external device; the control unit is configured to receive data with an identifier through the second interface, and send the data with the identifier to the transceiver unit; The unit is configured to receive the data with the identifier; the identifier corresponding to the second interface.

In a second aspect, an embodiment of the present invention provides a data processing method, including the following steps: a control unit of a terminal receives data with an identifier, and sends the data with the identifier to a transceiver unit of the terminal; The unit receives the data with the identifier; wherein the control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, and the second interface is used for external devices Connecting; the identifier corresponding to the second interface.

In a third aspect, an embodiment of the present invention provides a projection screen system, including a terminal, a display end, and at least one source end; the terminal includes a transceiver unit and at least one control unit; the control unit includes a first interface and at least two a second interface, the first interface is connected to the transceiver unit, and the second interface is connected to the source end; the control unit is configured to receive data with an identifier sent by the source end, The data with the identifier is sent to the transceiver unit; the transceiver unit is configured to receive the data with the identifier, and send the identifier data to the display terminal; the identifier and the source The end corresponds.

In a fourth aspect, an embodiment of the present invention provides a screencasting method, including the following steps: a control unit of a terminal receives data with an identifier sent by a source end, and sends the data with the identifier to a transceiver unit of the terminal. The transceiver unit receives the data with the identifier, and sends the data with the identifier to the display end; wherein the control unit includes a first interface and at least two second interfaces, the first interface The transceiver unit is connected, the second interface is connected to the source end, and the identifier corresponds to the source end.

In a fifth aspect, an embodiment of the present invention provides a computer readable storage medium, where a computer program is stored, and when the program is executed by a processor, the steps of the foregoing method are implemented.

In a sixth aspect, an embodiment of the present invention provides a computer device, including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor implements the steps of the foregoing method when executing the program. .

The terminal of the embodiment of the invention has the following beneficial effects:

The terminal of the embodiment of the present invention includes a transceiver unit and a control unit. The control unit includes at least two second interfaces for connecting to an external device, where the external device can be, for example, a projection signal source such as a notebook, a tablet, or a mobile phone. The terminal of the embodiment of the invention is connected to a plurality of external devices through the second interface. The control unit of the embodiment of the present invention is configured to receive the data with the identifier through the second interface, and send the data with the identifier to the transceiver unit; the transceiver unit is configured to receive the data with the identifier; the identifier and the second The interface corresponds to such that when the terminal of the embodiment of the present invention connects a plurality of external devices, it can determine, by the identifier, which second interface the data comes from, that is, which external device the data is derived from. In summary, a terminal in the embodiment of the present invention can connect multiple external devices (screening signal sources), that is, multiple external devices (screening signal sources) share one terminal, thereby reducing the number of terminals and effectively reducing the number of terminals. The cost of the screen system.

DRAWINGS

1 is a schematic structural diagram of a terminal according to Embodiment 1 of the present invention;

2 is a flowchart showing the operation of the terminal shown in FIG. 1;

3 is a schematic structural diagram of a terminal according to Embodiment 2 of the present invention;

4 is a schematic structural diagram of a terminal according to Embodiment 3 of the present invention;

5 is a schematic structural diagram of a projection screen system according to Embodiment 4 of the present invention;

6 is a schematic structural diagram of a projection screen system according to Embodiment 5 of the present invention;

FIG. 7 is a schematic structural diagram of a projection screen system according to Embodiment 6 of the present invention.

detailed description

The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

In the following description, the terms "first" and "second" are used for the purpose of description only, and are not to be construed as indicating or implying relative importance. The following description provides a plurality of embodiments of the present invention, and various embodiments may be substituted or combined in combination, and thus the present application may also be considered to include all possible combinations of the same and/or different embodiments described. Thus, if an embodiment includes features A, B, C and another embodiment includes features B, D, then the application should also be considered to include one or more of all other possible combinations containing A, B, C, D. The embodiment, although this embodiment may not be explicitly described in the following.

An embodiment of the present invention provides a terminal, including a transceiver unit and at least one control unit. The control unit includes a first interface and at least two second interfaces. The first interface is connected to the transceiver unit, and the second interface is used to connect with an external device. The control unit is configured to receive the data with the identifier via the second interface, transmit the data with the identifier to the transceiver unit, the transceiver unit is configured to receive the data with the identifier, and the identifier corresponds to the second interface.

Embodiment 1

FIG. 1 is a schematic structural diagram of a terminal according to the embodiment. As shown in FIG. 1 , the terminal 10 of the embodiment includes a transceiver unit 11 and a control unit 12, wherein the control unit 12 may be one or more. The control unit 12 includes a first interface 121 and two second interfaces 122. The first interface 121 is connected to the transceiver unit 11, and the second interface 122 is used for connection with an external device. The control unit 12 is configured to receive the data with the identifier via the second interface 122, and transmit the data with the identifier to the transceiver unit 11 via the first interface 121. The transceiver unit 11 is configured to receive data with an identifier transmitted by the control unit 12 and process it. The identifier corresponds to the second interface 122.

In an embodiment of the present invention, the first interface 121 and the transceiver unit 11 are controlled by a USB (Universal Serial Bus), an SPI (Serial Peripheral Interface), or a CAN (Controller Area Network). Serial area network connection. In one embodiment of the invention, the number of second interfaces 122 is at least two, such as two, three, four or more. The second interface 122 is used for connecting with an external device, and the external device can be, for example, a projection signal source such as a notebook, a tablet, or a mobile phone. In another embodiment of the present invention, the control unit 12 is, for example, a Micro Controller Unit (MCU), and the control unit 12 is, for example, a single chip microcomputer.

2 is a flowchart of the operation of the terminal shown in FIG. 1. As shown in FIG. 2, the workflow of the terminal in this embodiment includes

steps

101 and 102. In step 101, the control unit receives data with an identifier through the second interface. The data is sent to the transceiver unit; in step 102, the transceiver unit receives the data with the identifier. The workflow of the terminal in this embodiment is described below.

In step 101, the control unit 12 receives the data with the identifier through the second interface 122, and transmits the data to the transceiver unit 11.

In one embodiment of the present invention, the second interface 122 is for connecting with an external device, and the control unit 12 receives, by the second interface 122, data with an identifier transmitted by, for example, an external device. The identifier can determine which second interface 122 or external device the data is derived from. In an embodiment of the present invention, the second interface 122 is, for example, a USB interface. Preferably, the second interface 122 is a USB device interface, and a hid (Human Interface Device) communication device is used for communication. Connect with external devices such as notebooks, tablets, and mobile phones for easy access. In one embodiment of the present invention, the control unit 12 converts the internal interface of the terminal 10 of the present embodiment into a second interface 122 that can be easily connected to an external device.

In one embodiment of the invention, the identifier corresponds to the second interface 122, that is to say, the second interface 122 corresponding to the identifier can be determined by the identifier, such that the data with the identifier can be identified by the identifier Which second interface 122 or external device is derived from, in order to facilitate the processing of subsequent data. In an embodiment of the present invention, the identifiers are, for example, numbers and/or letters and/or symbols and/or patterns, etc., may also be names specially set for each second interface 122, etc., or may be The MAC (Media Access Control) address and/or IP (Internet Protocol) address of the external device connected to the second interface 122.

In another embodiment of the present invention, the step further includes the transceiver unit 11 transmitting the data with the identifier to the control unit 12, wherein the data with the identifier sent by the transceiver unit 11 to the control unit 12 may be, for example, the transceiver unit 11 The data received from the outside may be data obtained by the transceiver unit 11 sorting the data received from the outside.

Step 102: The transceiver unit receives the data with the identifier.

In one embodiment of the invention, the control unit 12 transmits data with an identifier to the transceiving unit 11 via the first interface 121, and the transceiving unit 11 receives the data with the identifier. In another embodiment of the present invention, after receiving the data with the identifier, the transceiver unit 11 transmits the data with the identifier by wire or wirelessly, for example, to the screen display device.

In another embodiment of the present invention, the step further includes the control unit 12 receiving the data with the identifier sent by the transceiver unit 11, and then distributing the data with the identifier to the corresponding second interface 122 according to the identifier, so as to facilitate Subsequent processing of data with identifiers.

In another embodiment of the present invention, the transceiving unit 11 is configured to receive or transmit wireless data, and the transceiving unit 11 transmits data to the outside by wire or wirelessly, or receives data externally by wire or wirelessly. In an embodiment of the present invention, the transceiver unit 11 is, for example, a WiFi Soc (System on Chip).

The terminal 10 of the embodiment includes a transceiver unit 11 and a control unit 12, and the control unit 12 includes at least two second interfaces 122 for connecting to external devices such as a notebook, a tablet, a mobile phone, and the like, such that the terminal 10 of the embodiment passes the second The interface 122 can be connected to a plurality of external devices. The control unit 12 of the present embodiment is configured to receive the data with the identifier through the second interface 122, and transmit the data with the identifier to the transceiver unit 11; the transceiver unit 11 is configured to receive the data with the identifier; The identifier corresponds to the second interface 122, so that when the terminal 10 of the embodiment is connected to a plurality of external devices, it can be determined by the identifier which second interface 122 the data comes from, that is, which external device is determined from the data. . In summary, one terminal 10 of the present embodiment can connect a plurality of external devices (screening signal sources), that is, a plurality of external devices (screening signal sources) can share one terminal 10, thereby reducing the number of terminals 10. Effectively reduce the cost of the projection system.

Embodiment 2

FIG. 3 is a schematic structural diagram of the terminal 20 according to the embodiment. As shown in FIG. 3, the terminal 20 of the embodiment includes a transceiver unit 21. The terminal of the embodiment further includes a collecting unit 23 and three. The control unit 22, the following mainly describes the differences between the embodiment and the first embodiment. For the same, refer to the first embodiment. The control unit 22 includes a first interface 221 and two second interfaces 222 for connecting to an external device, and the first interface 221 is connected to the aggregation unit 23. The aggregation unit 23 is connected to the transceiver unit 21. In the present embodiment, the plurality of control units 22 are connected to the transceiver unit 21 via the aggregation unit 23. In an embodiment of the invention, the aggregation unit 23 may be a separate part or may be integrated in the transceiver unit 21. In one embodiment of the invention, the aggregation unit 23 can be a hub, switch or router or the like. In one embodiment of the invention, the number of control units 22 is at least two, for example two, three, four or more.

The working process of the terminal in this embodiment is similar to that in the first embodiment. For the similarities, refer to the first embodiment. The difference is that the data sent between the transceiver unit 21 and the control unit 22 also needs to pass through the aggregation unit 23.

In an embodiment of the invention, the identifier also corresponds to the control unit 22, such that the transceiver unit 21 can transmit the data with the identifier to the corresponding control unit 22 according to the identifier when transmitting the data to the control unit 22, such that The transceiver unit 21 can transmit data to the corresponding control unit 22 in a targeted manner, which reduces the amount of data and saves communication bandwidth.

The terminal of the embodiment has the effect of the first embodiment. In addition, the terminal 20 includes a plurality of control units 22 connected in parallel, so that the terminal 20 can connect more external devices, and more external devices can share the terminal of the embodiment. The user is more convenient to use, and at the same time further reduces the cost of the projection system. In this embodiment, the identifier is set to correspond to the control unit 22, so that the transceiver unit 21 can transmit data to the corresponding control unit 22 in a targeted manner, which reduces the amount of data and saves communication bandwidth.

Embodiment 3

4 is a schematic structural diagram of the terminal 30 of the present embodiment. As shown in FIG. 4, the terminal 30 of the embodiment includes a transceiver unit 31, three control units 32, and the control unit 32 includes a first interface 321 and two second interfaces. 322, wherein the second interface 322 is used to connect with an external device. For the similarities between the terminal 30 of the embodiment and the terminal of the embodiment, refer to the first embodiment. The difference is mainly that the terminal 30 includes three control units 32. The three control units 32 are connected in series, and the three control units 32 are connected in series. It is connected to the transceiver unit 31. In one embodiment of the invention, the control unit 32 is at least two, for example two, three or more.

The working process of the terminal 30 in this embodiment is similar to the working process of the terminal in the first embodiment. For the similarities, refer to the first embodiment. The differences are mainly described below. After receiving the data with the identifier sent by the transceiver unit 31, if the identifier corresponds to the second interface 322 of the control unit 32, the control unit 32 sends the data with the identifier to the second interface. 322, otherwise, the control unit 32 transmits the data with the identifier to the next control unit 32.

The terminal 30 of this embodiment has the effect of the first embodiment. In addition, the terminal 30 includes a plurality of control units 32 connected in series, so that the terminal 30 can connect more external devices, and more external devices can share one terminal 30, so that the user It is more convenient to use and further reduces the cost of the projection system.

The embodiment of the present invention further provides a data processing method, including the following steps: the control unit of the terminal receives the data with the identifier, and sends the data with the identifier to the transceiver unit of the terminal; the transceiver unit receives the data with the identifier; The control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, the second interface is used for connecting with the external device, and the identifier is corresponding to the second interface.

In this specification, for the data processing method embodiment, since it is basically similar to the embodiment of the terminal, refer to the introduction of the embodiment of the terminal for related information.

Embodiment 4

5 is a schematic structural diagram of a projection screen system of the present embodiment. As shown in FIG. 5, the projection screen system of the embodiment includes a terminal 10, a display terminal 15, and at least one source end 14. The terminal 10 includes a transceiver unit 11 and at least one The control unit 12 includes a first interface 121 and at least two second interfaces 122. The first interface 121 is connected to the transceiver unit 11, and the second interface 122 is connected to the source terminal 14. The control unit 12 is configured to receive the data with the identifier transmitted by the source 14 and transmit the data with the identifier to the transceiver unit 11. The transceiving unit 11 is configured to receive data with an identifier, the data with the identifier being sent to the display 15 , wherein the identifier corresponds to the source 14 . The terminal 10 of this embodiment is basically the same as the terminal of the first embodiment. For related information, refer to the first embodiment.

In an embodiment of the present invention, the display terminal 15 receives the data with the identifier sent by the source terminal 14 and displays the data; when there are multiple source terminals 14, the display terminal 15 can also display multiple sources at different screens. 14 sent data, such as images or videos.

In one embodiment of the invention, the terminal 10 is connected to the display terminal 15 by wire or wirelessly. In one embodiment of the present invention, the source end 14 may be an external device such as a notebook, a tablet, a mobile phone, etc., and the source end 14 may be one or more.

The workflow of the projection screen system of this embodiment includes two aspects: one is data from the display end 15 to the source end 14; the other is data from the source end 14 to the display end 15. In one embodiment of the invention, the transceiving unit 11 is further configured to transmit data with an identifier to the control unit 12; the control unit 12 is further configured to receive data with an identifier transmitted by the transceiving unit 11, according to the identifier The data with the identifier is sent to the corresponding source 14. For example, the process of transmitting touch data from the display terminal 15 to the source terminal 14 is as follows: the touch input unit of the display terminal 15 generates touch data, and the display terminal 15 sends the touch data to the terminal 10 by wire or wirelessly. The transceiver unit 11 transmits the touch data with the identifier to the control unit 12, and the control unit 12 receives the touch data with the identifier, and sends the touch data with the identifier to the corresponding source according to the identifier. 14. In another embodiment of the invention, the process of transmitting data (e.g., image or video) from source 14 to display 15 is as follows: source 14 compresses data (e.g., image or video) and then sends it to control unit 12. The data and the identifier, the control unit 12 receives the data with the identifier transmitted by the source 14 through the second interface 122, and transmits the data with the identifier to the transceiver unit 11. The transceiver unit 11 receives the data with the identifier, transmits the band identifier data to the display terminal 15, and the display terminal 15 displays the data with the identifier.

In one embodiment of the invention, the second interface 122 is a USB interface. In one embodiment of the invention, control unit 12 is a microcontroller. In another embodiment of the present invention, the transceiver unit 11 is configured to receive or transmit wireless data, and the transceiver unit 11 is, for example, a WiFi-Soc.

The terminal 10 of the projection screen system of the present embodiment includes a transceiver unit 11 and a control unit 12, and the control unit 12 includes at least two second interfaces 122 for connecting to a source end of a notebook, a tablet, a mobile phone, etc., so that the terminal 10 of the embodiment The plurality of source terminals 14 can be connected through the second interface 122. The control unit 12 of the present embodiment is configured to receive the data with the identifier through the second interface 122, and transmit the data with the identifier to the transceiver unit 11; the transceiver unit 11 is configured to receive the data with the identifier; The identifier corresponds to the source end 14, so that when the terminal 10 of the present embodiment is connected to the plurality of source terminals 14, it can be determined by the identifier which source 14 the data is from, or to which source 14 the data is to be sent. In summary, one terminal 10 of the projection screen system of the present embodiment can connect multiple source terminals 14, that is, multiple source terminals 14 can share one terminal 10, thereby reducing the number of terminals 10 and effectively reducing the projection system. cost.

Embodiment 5

FIG. 6 is a schematic structural diagram of a projection screen system according to the embodiment. As shown in FIG. 6, the projection screen system of the embodiment includes a terminal 20, a display terminal 25, and at least one source terminal 24. The terminal 20 includes a transceiver unit 21 and at least one The control unit 22 includes a first interface 221 and at least two second interfaces 222, and the second interface 222 is connected to the source terminal 24. The terminal 20 further includes a collection unit 23 having at least two control units 22, a first interface 221 of the control unit 22 connected to the aggregation unit 23, and a collection unit 23 connected to the transceiver unit 21. In one embodiment of the invention, the identifier also corresponds to the control unit 22, which is configured to transmit the data with the identifier to the corresponding control unit 22 based on the identifier. In one embodiment of the invention, the aggregation unit 23 is a hub, switch or router or the like.

The terminal 20 of this embodiment is basically the same as the terminal 20 of the second embodiment. For related information, refer to the second embodiment. The workflow of the screen-casting system of this embodiment is similar to that of the screen-casting system of the fourth embodiment. For the related matter, refer to the fourth embodiment. The difference is mainly that the data sent between the transceiver unit 21 and the control unit 22 is still It needs to go through the collection unit 23.

The screen projection system of the embodiment has the effect of the fourth embodiment. In addition, the terminal 20 of the embodiment includes a plurality of control units 22 connected in parallel, so that the terminal 20 can connect more source terminals 14, and more source terminals 14 The ability to share a terminal 20 makes the user more convenient to use and further reduces the cost of the projection system. In this embodiment, the identifier also corresponds to the control unit 22, so that the transceiver unit 21 can send data to the corresponding control unit 22 in a targeted manner, which reduces the amount of data and saves communication bandwidth.

Embodiment 6

FIG. 7 is a schematic structural diagram of a projection screen system of the present embodiment. As shown in FIG. 7, the projection screen system of the embodiment includes a terminal 30, a display end 35, and at least one source end 34. The terminal 30 includes a transceiver unit 31 and at least two Control unit 32; control unit 32 includes a first interface 321 and at least two second interfaces 322, which are coupled to source 34. The plurality of control units 32 are connected in series and connected to the transceiver unit 31.

The terminal 30 of this embodiment is basically the same as the terminal 30 of the third embodiment. For related information, refer to the third embodiment. The workflow of the projection screen system of this embodiment is similar to that of the projection screen system of the fourth embodiment. For details, please refer to the fourth embodiment.

The screen projection system of the embodiment has the effect of the fourth embodiment. In addition, the terminal 30 of the embodiment includes a plurality of control units 32 connected in series, so that the terminal 30 can connect more source terminals 34, and more source terminals 34 can Sharing one terminal 30 is more convenient for the user to use, and further reduces the cost of the projection system.

The embodiment of the present invention further provides a screencasting method, including the following steps: the control unit of the terminal receives the data with the identifier sent by the source end, and sends the data with the identifier to the transceiver unit of the terminal; Data of the identifier, the data with the identifier is sent to the display end; wherein, the control unit comprises a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, and the second interface is connected to the source end; The symbol corresponds to the source.

In this specification, for the projection method embodiment, since it is basically similar to the projection system embodiment, please refer to the introduction of the projection system embodiment.

It can be clearly understood by those skilled in the art that the technical solutions of the embodiments of the present invention can be implemented by software and/or hardware. The term "unit" in this specification refers to software and/or hardware that can be completed independently or in cooperation with other components, such as an FPGA (Field-Programmable Gate Array), IC (Integrated). Circuit, integrated circuit), etc.

An embodiment of the present invention further provides a computer readable storage medium having stored thereon a computer program, the program being implemented by a processor to implement the steps of the foregoing method. The computer readable storage medium may include, but is not limited to, any type of disk, including a floppy disk, an optical disk, a DVD, a CD-ROM, a micro drive, and a magneto-optical disk, a ROM, a RAM, an EPROM, an EEPROM, a DRAM, a VRAM, a flash memory device. , magnetic or optical cards, nanosystems (including molecular memory ICs), or any type of medium or device suitable for storing instructions and/or data.

The embodiment of the invention further provides a computer device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the program to implement the steps of the above method. In the embodiment of the present invention, the processor is a control center of the computer system, and may be a processor of the physical machine or a processor of the virtual machine.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A terminal, comprising: a transceiver unit and at least one control unit;

The control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, the second interface is configured to be connected to an external device, and the control unit is configured to pass the The second interface receives the data with the identifier, and sends the data with the identifier to the transceiver unit;

The transceiver unit is configured to receive the data with the identifier;

The identifier corresponds to the second interface.
The terminal according to claim 1, wherein the transceiver unit is further configured to send data with an identifier to the control unit;

The control unit is further configured to receive the data with the identifier sent by the transceiver unit, and send the data with the identifier to the corresponding second interface according to the identifier.
The terminal according to claim 1 or 2, further comprising a collecting unit, wherein the control unit is at least two, a first interface of the control unit is connected to the collecting unit, and the collecting unit is The transceiver unit is connected.
The terminal according to claim 3, wherein said identifier is further corresponding to said control unit, said transceiver unit further configured to transmit data with an identifier to said corresponding according to said identifier control unit.
The terminal according to claim 3, characterized in that the aggregation unit is a hub, a switch or a router.
The terminal according to claim 1 or 2, wherein the second interface is a USB interface.
The terminal according to claim 1 or 2, characterized in that the control unit is a microcontroller.
The terminal according to claim 1 or 2, wherein the control unit is at least two, and the control unit is connected in series and connected to the transceiver unit.
The terminal according to claim 1 or 2, wherein the transceiver unit is configured to receive or transmit wireless data.
The terminal according to claim 9, wherein the transceiver unit is a WiFi-Soc.
A data processing method, comprising the steps of:

The control unit of the terminal receives the data with the identifier, and sends the data with the identifier to the transceiver unit of the terminal;

The transceiver unit receives the data with an identifier;

The control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, and the second interface is configured to be connected to an external device; The two interfaces correspond.
A screen projection system, comprising: a terminal, a display end and at least one source end;

The terminal includes a transceiver unit and at least one control unit;

The control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, and the second interface is connected to the source end;

The control unit is configured to receive the data with the identifier sent by the source end, and send the data with the identifier to the transceiver unit;

The transceiver unit is configured to receive the data with the identifier, and send the identifier data to the display terminal;

The identifier corresponds to the source end.
The projection screen system according to claim 12, wherein said transceiver unit is further configured to transmit data with an identifier to said control unit;

The control unit is further configured to receive the data with the identifier sent by the transceiver unit, and send the data with the identifier to the corresponding source according to the identifier.
The projection screen system according to claim 12 or 13, wherein the terminal further comprises a collection unit, the control unit is at least two, and the first interface of the control unit is connected to the collection unit. The aggregation unit is connected to the transceiver unit.
The projection screen system according to claim 14, wherein said identifier is further corresponding to said control unit, said transceiver unit being configured to transmit data with an identifier to a corresponding one based on said identifier Said control unit.
The projection screen system of claim 14, wherein the aggregation unit is a hub, a switch, or a router.
The projection screen system according to claim 12 or 13, wherein the second interface is a USB interface.
A projection screen system according to claim 12 or 13, wherein the control unit is a microcontroller.
The projection screen system according to claim 12 or 13, wherein the control unit is at least two, and the control unit is connected in series and connected to the transceiver unit.
The projection screen system according to claim 12 or 13, wherein the transceiver unit is configured to receive or transmit wireless data.
The projection screen system according to claim 20, wherein the transceiver unit is a WiFi-Soc.
A screen casting method, comprising the steps of:

The control unit of the terminal receives the data with the identifier sent by the source end, and sends the data with the identifier to the transceiver unit of the terminal;

The transceiver unit receives the data with the identifier, and sends the data with the identifier to the display end;

The control unit includes a first interface and at least two second interfaces, the first interface is connected to the transceiver unit, and the second interface is connected to the source end; the identifier corresponds to the source end .
A computer readable storage medium having stored thereon a computer program, characterized in that the program, when executed by a processor, implements the steps of the method of claim 11 or 22.
A computer apparatus comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor executes the program to implement the method of claim 11 or 22 A step of.