TWI678925B - Image transmission equipment and image transmission method - Google Patents

Abstract

The invention relates to an image transmission device and an image transmission method. The image transmission device includes a base device and an accessory device. The base device is connected to a display, and the accessory device is connected to a computer device. The accessory devices are connected to each other. When the computer device is not connected to the Internet, the accessory device transmits an image transmission program stored in the base device to the computer device, so that the computer device installs the computer device. After the image transmission program, an image signal is transmitted to the display through the accessory device and the base device.

Description

Image transmission equipment and image transmission method

The invention relates to an image transmission device and an image transmission method, which can wirelessly transmit an image on a computer device to a display to realize synchronous display.

With the popularization of computer technology, academic units, private companies, or government agencies often need to set up an image transmission system at the meeting place to play a slide show or display a computer screen when conducting a meeting. Generally speaking, an image transmission system connects a computer with a projector or a display through a wired or wireless method, so that the computer's picture can be projected on the screen by the projector or displayed on the display simultaneously for all participants to watch.

However, the traditional image transmission system is not convenient to use. Taking the wired method as an example, the computer must be connected to the projector through an excessively long physical cable; and the wireless method requires a complicated setting procedure to start. Allows the video signal to be correctly received by the display. Therefore, there is an urgent need for a device or system that is easy to build, simple to set up, and stable in transmission to overcome the aforementioned problems.

According to one aspect of the present invention, an image transmission method is proposed. The image transmission method electrically connects an accessory device of an image transmission device to a computer device, and is connected to a base device. The base device is Electrically connected to a display; in the case that it is determined that the computer equipment cannot be connected to the Internet, the accessory device obtains an image transmission program from the base device; the accessory device transmits the image transmission program to the computer Equipment, so that the computer equipment installs and runs the image transmission program; finally, the accessory device receives an image signal from the computer equipment, and transmits the image signal to the display through the base device.

Another aspect of the present invention is an image transmission device, which includes a base device and an accessory device. The base device is electrically connected to a display, and an image transmission program is stored therein. The accessory device is an electrical device. To the computer device, the accessory device is connected with the base device to transfer the image transmission program in the base device to the computer device, so that the computer device installs the image transmission program; After the computer equipment starts the image transmission program, an image signal is transmitted to the display through the image transmission program, the accessory device, and the base device.

Another aspect of the present invention is an image transmission device including a base device and a plurality of accessory devices. The base device is electrically connected to a display, and an image transmission program is stored therein; each of the accessory devices Then each of them is electrically connected to a computer device, and each of the accessory devices is connected with the base device to transmit the image transmission program in the base device to each of the computer devices so that each of the computer devices Install the image transmission program; after each computer device starts the image transmission program, an image signal is transmitted to the display through the image transmission program, the corresponding accessory device and the base device.

Through the foregoing technical features, the accessory device can automatically transmit the image transmission program to the computer device when the accessory device is connected to the base device and is electrically connected to the computer device at the same time to complete the installation and enable the computer device to transmit An image signal is sent to the base device, and then mirror-projected onto the display to achieve picture synchronization.

In the following, a plurality of embodiments of the present invention will be disclosed graphically. For the sake of clarity, many practical details will be described in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and components will be shown in the drawings in a simple and schematic manner.

As used herein, when an element is referred to as "connected" or "coupled", it can mean "electrically connected" or "electrically coupled". "Connected" or "coupled" can also be used to indicate that two or more components operate together or interact with each other. In addition, although the terms "first", "second", ... are used to describe different elements in this article, the terms are only used to distinguish elements or operations described in the same technical term. Unless the context clearly indicates otherwise, the term is not specifically referring to or implying order or order, nor is it intended to limit the invention.

The present invention claims to protect an image transmission device and an image transmission method, as shown in FIG. 1. In one embodiment of the present invention, the image transmission device 1 is connected to a computer device C, a display M, and a network device. Corresponding schematic diagram, the image transmission device 1 includes a base device 11 and an accessory device 12, the base device 11 is electrically connected to the display M (eg, plugged into an HDMI slot on a TV), and An image transmission program is stored therein; the accessory device 12 can be electrically connected to the computer device C.

The accessory device 12 is connected to the base device 11 through a wireless transmission technology, and is used to transfer the image transmission program in the base device 11 to the computer device C, so that the computer device C installs the image transmission program. And after the computer device C starts the image transmission program, an image signal can be transmitted to the display M through the image transmission program, the accessory device 12 and the base device 11, so that the computer device C and the display The screens on M are synchronized.

The image transmission device of the present invention has the advantages of light weight, easy installation, and simple setting. Since the accessory device 12 can actively obtain the image transmission program from the base device 11, the user only needs to easily attach the accessory device 12 and the base device 11 are respectively connected to the computer device C and the display M, and the computer device C can automatically run the image transmission program, so that the picture is synchronized to the display M.

Please refer to FIG. 2, which is a flowchart of steps of an image transmission method according to an embodiment of the present invention. The image transmission method is applied to the accessory device 12. First, in step S201, the accessory device 12 is first connected with the computer device. Phase C is electrically connected, and at the same time, it is wirelessly connected to the base device 11.

In step S202, if the accessory device 12 determines that the computer device C cannot connect to the Internet, at this time, the accessory device 12 starts to obtain the image transmission program from the base device 11, and a special mention is made here In addition, the accessory device 12 is only used as a bridge for transmission, and there is no need to store an image transmission program. In this way, in addition to ensuring the lightweight and controllable cost of the accessory device 12, it can also avoid the simultaneous connection of a base device 11 When a plurality of accessory devices 12 are used, an error occurs in transmission due to different versions of programs installed on the accessory devices 12.

In step S203, the accessory device 12 transmits the image transmission program to the computer device C. The computer device C then installs and runs the image transmission program, and the image transmission enables the computer device C to capture the current information on the computer device C. The captured image is converted into an image signal, and the current audio on the computer device C can also be captured, and the captured audio is converted into an audio signal.

In step S204, the accessory device 12 will receive the video signal and audio signal from the computer device C, and then pass the video signal and audio signal to the display M through the base device 11 to complete the computer device C Audio and video synchronization with display M.

The foregoing paragraphs only explain the core technology and core steps of the image transmission device 1 first. In order that those skilled in the relevant technical field may have a more specific understanding of the present invention, other embodiments of the image transmission device 1 are described in detail below: As shown in Figure 1, the accessory device 12 and the base device 11 can be connected to the internal network established by a network device N in addition to the wireless transmission technology (such as WiFi, Bluetooth) connected lines. Or LAN.

Please refer to FIGS. 1 and 3. In this embodiment, the base device 11 includes a first processor 111, a first memory 112, a first port 113 and a first wireless module. 114; the first memory 112, the first connection port 113, and the first wireless module 114 are electrically connected to the first processor 111, respectively. The accessory device 12 includes a second processor, a second memory 122, a second connector 123, and a second wireless module 124. The second memory 122, the second connector 123, and the second wireless The modules 124 are electrically connected to the second processor 121 respectively.

In an embodiment, in order to enable the base device 11 to connect to the network device N, the user may first connect the base through a first connector 2 (such as a USB or HDMI interface transmission line). The first port 113 of the device 11 is electrically connected to the display M, so that the internal information of the base device 11 is displayed through the display M. Then, the user can set through the input device such as a mouse, a keyboard, or a remote control. A network setting data 112b (such as a domain name and a password) is stored in the first memory 112, so that the base device 11 can connect to the network device N through the network setting data 112b.

After the base device 11 is connected to the network device N, in order for the base device 11 and the accessory device 12 to be connected to each other through the network device N, the accessory device 12 must also be connected to the network. Device N. In an embodiment, the user may first remove the base device 11 from the display M, and enable the first port 113 (such as a USB slot) to be electrically connected to the second connector 123 ( For example, a USB connector, in other embodiments, an additional port may be provided on the base device 11 to specifically connect with the second connector 123).

On succession, when the second processor 121 determines that the base device 11 and the accessory device 12 are electrically connected through the second connector 123, the second processor 121 can send a request signal to the first processor. 111, so that the first processor 111 can transmit the network setting data 112b to the second processor 121. After the second processor 121 receives the network device data 112b, the accessory device 12 can connect to the network device N according to the network setting data 112b, and form one of the network devices N through the network device N. The internal network is connected with the base device 11 at this time. Since the wireless connection has been established between the base device 11 and the accessory device 12, the user can separate the base device 11 and the accessory device 12, And plugged into the display M and the computer equipment C respectively.

As shown in FIG. 3, for the same reason, if the base device 11 and the accessory device 12 are directly connected to each other without passing through the network device N, when the first port 113 can be connected to the second connector 123 When the electrical connections are made, the first processor 111 can also transmit the network setting data 112b to the second processor 121. At this time, the accessory device 12 can directly establish a wireless connection with the base device 11 according to the network setting data 112b.

In addition, in an embodiment, a trigger program 122a is stored in the second memory 122. After the accessory device 12 is electrically connected to the computer device C, the computer device C can drive the trigger program 122a, and then pass The trigger program 122a performs the aforementioned actions of "determining whether the image transmission program 112a is installed in the computer device C" and "determining whether the computer device C is connected to the Internet" and the like.

In one embodiment, the computer device C can determine whether the image transmission program 112a is installed in the computer device C through the trigger program 122a, and if it is not installed, further determine whether the computer device C is connected to the Internet. If the computer device C has not installed the image transmission program 112a and is not connected to the Internet, at this time, the computer device C obtains the image transmission program 112a from the base device 11; otherwise, if the The computer device C has not installed the image transmission program 112a, but can connect to the Internet. The trigger program 122a will cause the computer device C to download another image transmission program on the Internet, and install the other image transmission program in the computer device. An image transfer program. In addition, since the base device 12 is sold, the industry may continue to revise and update the image transmission program. Therefore, after the computer device C starts and runs the image transmission program 112a, the computer device C can also pass the image. Transmission program 112a, first determine whether the computer device C has the ability to connect to the Internet? If it can, the computer device C obtains online version information corresponding to one of the other image transmission programs on the Internet (eg, version 2, update date 2017/02/01), and then compares the online version Information and an installation version information of the image transmission program 112a installed in the computer device C (eg, the first version, update date 2017/01/10), if the computer device C determines that the online version information is more than the installation When the version information is new, the other image transmission program is downloaded from the Internet and installed through the image transmission program 112a and the Internet.

Conversely, if the computer device C determines that the computer device C does not have the ability to connect to the Internet through the image transmission program 112a, at this time, the computer device 112a can obtain a base version in the base device 11. Information, the base version information represents the version of the image transmission program 112a stored in the base device 11; then, the computer device C can compare the base version information and the installation through the running image transmission program 112a. Version information. If the version information of the base is new, the image transmission program 112a stored in the base device 11 will be obtained again from the base device 11 for updating.

In addition, the base device 11 can confirm the update status of the online version and the image transmission program 112a stored in the base device 11 through its own Internet. If the online version is a newer version, the base device 11 uses its own Download the online version of. Other firmware such as the base device 11 can also be updated in the same way.

In the schematic diagram of FIG. 1, only one base device 11 and one accessory device 12 are drawn. However, in other embodiments, the image transmission device 1 may include one base device 11 and a plurality of accessory devices 12 to implement One-to-many transmission method. Please refer to FIG. 4, which is another embodiment of the present invention. The image transmission device includes a base device 11 and a plurality of accessory devices 12. The structure and characteristics of the base device 11 and the accessory device 12 are the same as those described above. The embodiments are the same, and will not be repeated here. Each computer device C transmits an image signal to the display M through the image transmission program, the corresponding accessory device 12 and the base device 11 after starting the image transmission program.

In the case where the accessory devices 12 are all connected to the base device 11, if the base device 11 receives the image signals from the accessory devices 12 at the same time (eg, four image signals are received at the same time) At this time, the base device 11 can generate an integrated signal based on the image signals, so that the display M displays an integrated picture. As shown in FIG. 5, the integrated picture includes a plurality of divided areas 51 to 54. Each of the divided regions 51 to 54 corresponds to an image signal transmitted from each of the accessory devices 11.

In addition, in an embodiment, the accessory device 12 may be provided with a switching key. When the user presses the switching key, the accessory device 12 transmits an image signal to the base device 11 with the same switching signal, so that when the base device 11 When the base device 11 receives the image signals from the accessory devices at the same time, the base device 11 can further receive the switching signals from each of the accessory devices 12, and will correspond to the last received switching signals. The image signal is transmitted to the display M, that is, once a user presses a switch key on the accessory device 12, the display M will display a corresponding screen. In this way, multiple users of the image transmission device can control the display M by pressing the switch key at any time to switch between different screens for different discussion contents.

Although the present invention has been disclosed in various embodiments as above, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and retouches without departing from the spirit and scope of the present invention. The scope of protection shall be determined by the scope of the attached patent application.

1‧‧‧Image transmission equipment

11‧‧‧ base unit

111‧‧‧first processor

112‧‧‧First memory

112a‧‧‧Image Transmission Program

112b‧‧‧Network Setting Data

113‧‧‧First port

114‧‧‧The first wireless module

12‧‧‧Accessories

121‧‧‧ second processor

122‧‧‧Second memory

122a‧‧‧Trigger

123‧‧‧Second connector

124‧‧‧Second wireless module

2‧‧‧first connector

51 ～ 54‧‧‧ split screen

N‧‧‧ network equipment

M‧‧‧ Display

C‧‧‧Computer equipment

S201 ～ S204‧‧‧step

FIG. 1 is a schematic diagram of the correspondence between the image transmission device and the computer device C, the display M, and the network device according to the embodiment of the present invention; FIG. 2 is the process flow of the image transmission method according to the embodiment of the present invention Figure 3 is a schematic diagram of the composition of an image transmission device according to an embodiment of the present invention; Figure 4 is a schematic diagram of a one-to-many control method of an image transmission device according to an embodiment of the present invention; and Figure 5 is an implementation of the present invention Example of integrated screen diagram in one-to-many control mode.

Claims (16)

An image transmission method includes: electrically connecting an accessory device of an image transmission device to a computer device, and connecting to a base device of the image transmission device, the base device being electrically connected to a display; When it is determined that the computer device cannot connect to the Internet, an image transmission program stored in the base device is obtained through the accessory device, and the image transmission program is transmitted to the computer device through the accessory device. Causing the computer equipment to install and run the image transmission program; and receiving, through the accessory device, an image signal transmitted by the computer device running the image transmission program, and then transmitting the image signal to the display through the base device. The image transmission method according to claim 1, further comprising: the computer device driving a trigger program in the accessory device to determine whether the image transmission program is installed in the computer device, and determining whether the computer device is connected to the Internet. Network; and when it is determined that the computer equipment has not installed the image transmission program and is not connected to the Internet, the computer equipment obtains the image transmission program from the base device. The image transmission method according to claim 2, further comprising: when the computer device is connected to the Internet, downloading another image transmission program on the Internet through the trigger program, and installing the image device in the computer device That another image transfer program. The image transmission method according to claim 1, further comprising: running the image transmission program, and in the case of determining that the computer equipment is connected to the Internet, obtaining an image transmission program corresponding to another image from the Internet. One of the online version information; comparing the online version information with an installed version information of the image transmission program already installed in the computer device; and when the computer device determines that the online version information is newer than the installed version information , And then download the other image transfer program. The image transmission method described in claim 4, further comprising: running the image transmission program installed in the computer device, and obtaining the information in the base device when it is determined that the computer device is not connected to the Internet. A pedestal version information: comparing the pedestal version information with the installed version information of the image transmission program installed in the computer device; and the computer device determines that the pedestal version information is newer than the installed version information In the case, the image transmission program stored in the base device is obtained again from the base device. The image transmission method according to claim 1, 2, 3, 4 or 5, wherein before the accessory device is connected to the base device, the control method further includes: the base device is based on one of the internal storages. The network setting data is connected to a network device; the accessory device is electrically connected to the base device so that the accessory device receives the network device data; and the accessory device is connected according to the network setting data. To the network device. An image transmission device includes: a base device electrically connected to a display, and an image transmission program is stored therein; and an accessory device electrically connected to a computer device, the accessory device is connected to the base A device connecting line for transmitting the image transmission program in the base device to the computer device, so that the computer device installs the image transmission program; after the computer device starts the image transmission program, the image transmission program is transmitted through the image transmission program. The accessory device and the base device transmit an image signal to the display. The image transmission device according to claim 7, wherein a trigger program is stored in the accessory device. After the accessory device is electrically connected to the computer device, the computer device can execute the trigger program to determine whether the computer device is in the computer device. The video transmission program is installed, and the computer equipment is connected to the Internet. The image transmission device according to claim 8, wherein after confirming that the computer device cannot be connected to the Internet, the accessory device starts to transmit the image transmission program in the base device to the computer device. The image transmission device according to claim 9, wherein, upon confirming that the computer device is connected to the Internet, the computer device downloads another image transmission program on the Internet and installs the computer device in the computer device. Another image transfer program. The image transmission device according to claim 10, wherein after the computer device runs the image transmission program installed, it obtains online version information corresponding to one of the other image transmission programs on the Internet, and determines the online version If the information is newer than the information of an installed version of the image transmission program installed on the computer device, the other image transmission program is downloaded through the Internet. The image transmission device according to claim 7, 8, 9, 10, or 11, wherein the base device still stores a network setting data for connecting to a network device. When the accessory device is electrically connected, the accessory device receives the network device data to connect to the network device. An image transmission device includes: a base device that is electrically connected to a display and stores an image transmission program therein; and a plurality of accessory devices that are electrically connected to a computer device, each of which is connected with a computer device. The base device is connected with a line for transmitting the image transmission program in the base device to each of the computer devices, so that each of the computer devices installs the image transmission program; each computer device is starting the image transmission program Then, an image signal is transmitted to the display through the image transmission program, the corresponding accessory device and the base device. The image transmission device according to claim 13, wherein a trigger program is stored in each of the accessory devices, and after each accessory device is electrically connected to the corresponding computer device, the computer device can execute the trigger program to Determine whether the image transmission program is installed in the computer device, and determine whether the computer device is connected to the Internet; in the case that the computer device cannot connect to the Internet, the accessory device starts to store the image in the base device The image transmission program is transmitted to the computer equipment. The image transmission device according to claim 14, wherein, when the base device simultaneously receives the image signals from the accessory devices, the base device can generate an integration based on the image signals. The signal causes the display to display an integrated picture, the integrated picture includes a plurality of divided areas, and each of the divided areas corresponds to each of the image signals. The image transmission device according to claim 14, wherein, when the base device receives the image signals from the accessory devices at the same time, the base device will further receive the video signals from the accessory devices. A switching signal is transmitted to the display according to the last received switching signal.