TWI390327B - Wireless projection device - Google Patents

Description

Wireless projection device

The present invention relates to a wireless projection device, and more particularly to a wireless projection device having an image capture function.

Whether it's an academic report or a business briefing, using a computer to edit report data and use a projector to play an auxiliary report has become a norm.

In the past, a projector can usually only be connected to one computer. Therefore, if there are multiple reporters who use different computers to store different briefing materials, they need to be disassembled and assembled. inconvenient. In addition, the use of cables to connect computers and projectors also has the complexity of online wiring planning, and the maintenance of the lines and the maintenance of the system are relatively difficult.

Recently, some manufacturers have developed wireless projectors, which use wireless technology to transmit the data to be displayed to the projector for image projection, which eliminates the problem of cable erection and maintenance.

However, although the above technology solves the problem of connection between the computer and the projector, the projector still only has the function of image projection, and many of the image data are fleeting, and the participants may only leave a blurred image, and cannot further penetrate. the study.

The main purpose of the present invention is to provide a wireless projection device, which mainly includes an image processor and an image capturing module, and the image capturing module can capture the image data being displayed by the image processor.

A secondary object of the present invention is to provide a wireless projection device, wherein the network control module includes a network controller and a wireless network controller, and can connect to the network in a wired or wireless manner.

Another object of the present invention is to provide a wireless projection device, wherein the image capturing module can be implemented in a soft body or a firmware.

Another object of the present invention is to provide a wireless projection device having a data storage device for storing captured image data for use by a user.

Another object of the present invention is to provide a wireless projection device, which is provided with a remote control receiver, which can receive a remote control signal and capture image data.

To achieve the above object, the present invention provides a wireless projection device, the main structure comprising: a network control module, comprising a wireless network controller for connecting to a wireless network for transmitting video signals and control signals a central processing unit connected to the network control module for performing data calculation, decoding, and control command execution; an image processor connected to the central processing unit to receive image signals and convert to analog video signals; Displaying a projection module, connecting the image processor to receive the analog image signal for projection display; and an image capture module connected to the central processing unit and the image processor, wherein the image data being displayed can be captured by the image processor.

First, please refer to Fig. 1, which is a block diagram of a preferred embodiment of the present invention. As shown in the figure, the main structure of the wireless projection device 10 of the present embodiment includes a network control module 13, a central processing unit 111, an image processing unit 115, an image capturing module 117, and a display projection module 17.

The network control module 13 is mainly used to connect to the network 30, and the network 30 receives the image signals and control signals transmitted by the computer connected to the network. After the image signal is received, it is decoded by the central processing unit 111 and transmitted to the image processor 115, and converted into an analog image signal by the image processor 115, and then transmitted to the display and projection module 17 for image display and projection.

The command to control the signal is either directly executed by the central processing unit 111 or controlled by the central processing unit 111 to execute the command.

The network control module 13 may include a wireless network controller for connecting to the wireless network 30, and may also include a network controller, and may be connected to the network 30 by using a network route for video signal and control. Transmission of signals.

The image capturing module 117 is connected to the central processing unit 111. The user can transmit the command for capturing the image through the network 30. After receiving the network control module 13, the network control module 13 controls the image capturing module 117 to capture the image data currently being displayed by the image processor 115.

The embodiment may further include a memory module 113 connected to the central processing unit 111 for storing data required for the operation of the central processing unit 111.

The memory module 113 can include random access memory (DRAM) and non-volatile memory, such as Electrically Erasable Programmable Read-Only Memory (EEPROM). And flash memory and so on.

This embodiment may further include a data storage device 15 connected to the central processing unit 111. The image data captured by the image capturing module 117 can be directly transmitted to the user's computer via the network 30, or stored in the data storage device 15 and then accessed by the user through the network 30.

The data storage device 15 can be a hard disk, a CD burner, a non-volatile memory, etc., and can also be implemented using an external hard disk and a flash drive.

The image capturing module 117 can also be implemented in a software or firmware manner. The software or firmware is stored in the non-volatile memory in the memory module 113, and the software or firmware is executed by the central processing unit 111. The body can also achieve the effect of image capture.

The central processing unit 111, the image processing unit 115, the memory module 113, and the image capturing module 117 can be combined into a display control unit 11. The display control unit 11 can be integrated in a single wafer.

Please refer to FIG. 2, which is a block diagram of another embodiment of the present invention. As shown in the figure, the main structure of the wireless projection device 20 of the present example includes: a network control module 23, a central processing unit 211, an image processor 215, an image capturing module 217, a display projection module 27, and a remote control. Receiver 29 and data storage device 25.

The main structure is substantially the same as that of the embodiment shown in FIG. 1. Similarly, the network control module 23 is connected to the network 30, and receives image signals and control signals from the network. The image signal is decoded by the central processing unit 211 and transmitted to the image processor 215. The image processor 215 converts the image signal into an analog image signal and outputs the image signal to the display projection module 27. The display projection module 27 displays the image based on the analog image signal and projects it onto the screen.

The control signal is also executed by the central processor 215, or the central processor 215 controls the associated component to execute the command.

In this embodiment, the wireless projection device 20 further includes a remote control receiver 29 connected to the central processing unit 211 for receiving a remote control signal, and the central processing unit 211 is driven to control the image capturing mode according to the remote control signal. The group 217 captures the image data being displayed by the image processor 215, and stores the captured image data in the data storage device 25 for the user to access via the network 30.

In this embodiment, the command for capturing images may be transmitted by the network 30, or the captured image data may be directly transmitted via the network 30 to the computer that issues the command.

This embodiment can also include a memory module 213 for storing data required for the operation of the central processing unit 211. The non-volatile memory may also be included, and the software or firmware for implementing the image capturing module 217 may be stored, and the software or firmware may be executed by the central processing unit 211 to perform image capturing.

The data storage device 25 of the present embodiment can also be selected as a hard disk, a CD burner, a non-volatile memory, etc., and can also be implemented using an external hard disk and a flash drive.

The central processing unit 211, the image processing unit 215, the memory module 213, and the image capturing module 217 can be combined into a display control unit 21. The display control unit 21 can be integrated in a single wafer.

The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, that is, the shapes, structures, features, methods, and spirits of the present invention are equally Variations and modifications are intended to be included within the scope of the invention.

10. . . Wireless projection device

11. . . Display control unit

111. . . CPU

113. . . Memory module

115. . . Image processor

117. . . Image capture module

13. . . Network control module

15. . . Data storage device

17. . . Display projection module

20. . . Wireless projection device

twenty one. . . Display control unit

211. . . CPU

213. . . Memory module

215. . . Image processor

217. . . Image capture module

twenty three. . . Network control module

25. . . Data storage device

27. . . Display projection module

29. . . Remote control receiver

30. . . network

Figure 1 is a block diagram of a preferred embodiment of the present invention.

Figure 2 is a block diagram of another embodiment of the present invention.

10. . . Wireless projection device

11. . . Display control unit

111. . . CPU

113. . . Memory module

115. . . Image processor

117. . . Image capture module

13. . . Network control module

15. . . Data storage device

17. . . Display projection module

30. . . network

Claims (11)

A wireless projection device, the main structure comprising: a network control module, comprising a wireless network controller for connecting to a wireless network for transmitting image signals and control signals; and a central processing unit connecting the a network control module for performing data calculation, decoding, and control command execution; an image processor connected to the central processing unit to receive an image signal and converted into an analog image signal; a display projection module connected to the image The processor receives the analog image signal and displays the image; and an image capturing module is connected to the central processing unit and the image processor, and the image data being displayed is captured by the image processor. The wireless projection device of claim 1, further comprising a data storage device coupled to the central processing unit for storing the captured image data. The wireless projection device of claim 1, further comprising a memory module for storing data required for operation of the central processing unit. The wireless projection device of claim 3, wherein the memory module comprises a random access memory and a non-volatile memory. The wireless projection device of claim 4, wherein the image capturing module is selectable in one of a software and a firmware. The wireless projection device of claim 5, wherein the firmware or soft system of the image capture module is stored in the non-volatile memory. The wireless projection device of claim 1, wherein the network control module further comprises a network controller, and the network can be connected to the network for data transmission. The wireless projection device of claim 1, wherein the image capture module performs an image capture operation according to a command transmitted by a user via a network. The wireless projection device of claim 2, further comprising a remote control receiver coupled to the central processing unit for receiving a remote control signal for causing the image capture module to capture image data. The wireless projection device of claim 9, wherein the user can obtain the image data from the data storage device by connecting the wireless projection device via a wireless network. The wireless projection device of claim 1, wherein the data storage device is one of a hard disk, a CD burner, a non-volatile memory, an external hard disk, and a flash drive.