WO2015070456A1

WO2015070456A1 - Expansion device

Info

Publication number: WO2015070456A1
Application number: PCT/CN2013/087324
Authority: WO
Inventors: 游原德
Original assignee: 敏茜有限公司
Priority date: 2013-11-18
Filing date: 2013-11-18
Publication date: 2015-05-21

Abstract

An expansion device is used for connection to a mobile device, wherein the expansion device comprises a first connecting port for connecting the mobile device, a second connecting port for connecting a display device, a third connecting port for connecting peripheral devices of a first computer, a switch-over unit, a signal converting unit and a wireless transmission module. The switch-over unit is electrically connected to the first and the second connecting port to receive signals from the mobile device and transfer same to the display device, and the signal converting unit is electrically connected to the third connecting port to receive signals from the peripheral devices of the first computer and convert same, and the wireless transmission module receives the converted signals and transfers same to the mobile device. By means of the expansion device of the present invention, a mobile device like a smart phone can be connected to a display device or a keyboard or a mouse or other peripheral devices of a computer, and a user can control the mobile device through the keyboard or the mouse, and images of the mobile device can be displayed on the display device.

Description

Expansion device

Technical field

The present invention relates to the design of an expansion device, and more particularly to an expansion device for connecting a mobile device. Background technique

Due to the advancement of technology, various technology products occupy a very important position in people's lives. Especially in recent years, the rapid development of mobile devices such as smart phones and tablet computers has completely changed the user's habit of using technology products. Users can no longer use technology products only in fixed locations, but can carry the mobile The device goes anywhere. Moreover, mobile devices such as smart phones and tablet computers are small in size and light in weight, and do not cause a burden on the user when traveling.

Today's mobile devices, in addition to basic call functions, can also access the Internet, listen to music, watch movies, play games, and satellite navigation... etc., while smart phone operators are also designing smart phones to meet customer needs. Gradually increase the size of the screen.

However, while smartphone manufacturers are gradually increasing the size of their screens, they have replaced the physical buttons with touch screens. However, smart phones are portable mobile devices. After increasing the size of the screen, they must still consider the principle of being easy to carry, so as to avoid the inconvenience caused by the screen being too large.

Moreover, since the current smart phones are all touch-sensitive, that is, when the user directly clicks on the screen to operate, some of the screens are blocked by the user, so there is still inconvenience in use.

Therefore, how to overcome the above-mentioned problem in the prior art that the screen size of the handheld device is limited is difficult to operate, which has become a problem to be solved at present. Summary of the invention

Accordingly, it is an object of the present invention to provide an expansion device that externally connects a computer peripheral device such as an input and output device with an expansion device to solve the problem that the screen of the mobile device is too small and difficult to operate.

The expansion device of the present invention includes a first connection port for connecting a mobile device, for one a second connection port to which the display device is connected, a third connection port to which the first computer peripheral device is connected, a signal conversion unit, and a wireless transmission module. The switching unit is electrically connected to the second connection port to connect the mobile device to the display device. The signal conversion unit is electrically connected to the third connection port, and is configured to receive a signal from the first computer peripheral device and convert the signal. The wireless transmission module is electrically connected to the signal conversion unit, and is configured to receive the converted signal of the signal conversion unit and transmit the signal to the mobile device.

In an embodiment, the expansion device of the present invention further includes a switching unit and a fourth connection port, wherein the fourth connection port is configured to be connected to the second computer peripheral device, and one end of the switching unit is electrically connected to the first connection port. The other end switches the electrical connection between the switching unit and the fourth connection port. In addition, the signal conversion unit is electrically connected to the switching unit and outputs a control signal to the switching unit, so that the switching unit selectively connects the switching unit or the second computer peripheral device after receiving the control signal. Furthermore, the signal conversion unit is further electrically connected to the operation unit and the indication unit, and the operation unit is operated to cause the signal conversion unit to output the control signal to the switching unit, the indication unit is configured to indicate the switching of the switching unit. status.

Further, the expansion device of the present invention further includes an electric energy supply unit for supplying electric power required for the expansion device.

The wireless transmission module is electrically connected to the operating unit and the indicating unit, and the operating unit is configured to enable or disable the wireless transmission module, and the indicating unit is configured to indicate that the state of the wireless transmission module is on or off.

In addition, the first connection port is, for example, a universal serial bus or a mobile terminal high-definition video standard connection interface, and the second connection port is, for example, a high-definition multimedia interface or a video graphics array, and the third connection port and the fourth connection port. For example, the universal sequence bus is used to convert the signal around the first computer into a signal such as a serial peripheral interface mode.

As can be seen from the above, the expansion device of the present invention can be connected to the mobile device, so that the mobile device can expand the computer peripheral device such as the display device, the keyboard or the mouse by the expansion device of the present invention. Thereby, the user can operate the mobile device by using an input device such as a keyboard and a mouse to solve the problem that the user is not easy to operate and the screen is blocked when the user clicks directly on the screen of the mobile device, and the screen of the mobile device It can be output to an external display device for display to solve the problem that the screen of the mobile device is too small. DRAWINGS

Figure 1 is the first in the present invention

Figure 2 is a second symbol of the present invention

1, la expansion device

10 circuit board

101 first connection port

102 second connection port

103 third connection port

104 fourth connection port

11 adapter unit

12 signal conversion unit

122 operating unit

123 indicator unit

13 wireless transmission module

131 operating unit

132 indicator unit

14 switching unit

2 mobile device

3 display device

4 first computer peripheral device

5 second computer peripheral device

6 Power supply unit. detailed description

The embodiments of the present invention will be described in detail by the specific embodiments thereof, and those skilled in the art can readily understand the advantages and advantages of the present invention.

Please refer to FIG. 1, which is a schematic structural view of a first embodiment of an expansion device according to the present invention. As shown As shown, the expansion device 1 of the present invention can be connected to the mobile device 2, the display device 3, and the first computer peripheral device 4. With the expansion device 1 of the present invention, the screen of the mobile device 2 can be output to the display device 3 through the present invention, and the display device 3 displays the screen of the mobile device 2. Moreover, the user can operate the mobile device 2 by operating the first computer peripheral device 4.

The expansion device 1 of the present invention includes a circuit substrate 10, a first connection port 101, a second connection port 102, a third connection port 103, a switching unit 11, a signal conversion unit 12, and a wireless transmission module 13.

The first connection port 101 is connected to the mobile device 2. The first connection port 101 can be, for example, a universal serial bus (USB) or a mobile terminal high-definition video link interface (MHL). The second connection port 102 is connected to the display device 3. The second connection port 102 can be, for example, a High Definition Multimedia Interface (HDMI) or a Video Graphics Array (VGA). The third connection port 103 is connected to the first computer peripheral device 4, the third connection port 103 is, for example, a USB, and the first computer peripheral device 4 is, for example, a keyboard or a mouse.

The switching unit 11 is disposed on the circuit board 10 and electrically connected to the second connection port 102, and electrically connects the mobile device 2 and the display device 3 when electrically connected to the first connection port 101. The signal conversion unit 12 is disposed on the circuit board 10 and electrically connected to the third connection port 103 for receiving signals transmitted from the first computer peripheral device 4 and performing signal conversion. The wireless transmission module 13 is disposed on the circuit board 10 and electrically connected to the signal conversion unit 12 for wirelessly transmitting the converted signal of the signal conversion unit 12 to the mobile device 2, for example, the signal of the first computer peripheral device 4. A signal that is converted to a Serial Peripheral Interface (SPI) mode.

Since the interface used by the mobile device 2 and the display device 3 is not the same, the present invention is designed with the adapter unit 11 between the first connection port 101 and the second connection port 102. In detail, since the mobile device 2 is connected to the first connection port 101, and the display device 3 is connected to the second connection port 102, and the connection mode of the mobile device 2 is USB or MHL connection, the display device 3 adopts HDMI or It is a VGA connection, and the switching unit 11 can convert the USB or MHL connection of the mobile device 2 into an HDMI or VGA interface used by the display device 3 for the display device 3 to be connected, and the signal of the mobile device 2 can pass through the first The connection port 101 is transmitted to the display device 3 via the switching unit 11. Since the mobile device 2 is only designed with a connection hole, the connection hole is connected to the first connection port 101 through, for example, a USB cable. Therefore, in the present invention, the signal of the first computer peripheral device 4 is transmitted to the mobile device 2 by wireless transmission.

As shown in the figure, the signal transmitted by the first computer peripheral device 4 is transmitted to the signal conversion unit 12 via the third connection port 103 to be converted into a signal corresponding to the wireless transmission, and then transmitted to the wireless transmission module 13, where Before the signal transmission, the wireless transmission module 13 must first pair with the mobile device 2, and the wireless transmission can be performed after the pairing is completed.

The wireless transmission module 13 is electrically connected to the operation unit 131 and the indication unit 132. The operation unit 131 activates the wireless transmission module 13 after being operated, so that the wireless transmission module 13 is paired with the mobile device 2, and can be received after the pairing is completed. The signal from the signal conversion unit 12 is transmitted to the mobile device 2. The indicating unit 132 is used to indicate the status of the wireless transmission module 13, for example: the indicating unit 132 can be an LED. When the wireless transmission module 13 is activated and paired, the indicating unit 132 displays a red flashing light, indicating that it is currently in the pairing state, and is paired. When finished, a green light is displayed, indicating that the pairing is completed and the signal transmission is possible.

The first computer peripheral device 4 may include a keyboard and a mouse, and the user can control the mobile device 2 by operating the first computer peripheral device 4 and display the screen of the mobile device 2 on the display device 3. The wireless transmission module 13 described in the present invention uses Bluetooth transmission as an explanation of the embodiment, but is not limited thereto. In addition, the indicating unit 132 in different colors indicates the description of the embodiment of the present invention, and should not be limited thereto.

In the second embodiment of the present invention, the expansion device la of the present invention can be further connected to the second computer peripheral device 5.

Please refer to FIG. 2, which is a schematic structural view of a second embodiment of the present invention. As shown, in the second embodiment, the expansion device la of the present invention can be further connected to the second computer peripheral device 5 to control the mobile device 2 by the second computer peripheral device 5.

In this embodiment, the expansion device 1a of the present invention further includes a switching unit 14 and a fourth connection port 104. The fourth connection port 104 is used to connect the second computer peripheral device 5. The switching unit 14 is selectively operated after being operated. Connecting the switching unit 11 or the fourth connection port 104 to connect the mobile device 2 to the display device 3 or the second computer peripheral device 5 to transmit the signal of the mobile device 2 to the display device 3, or by using the second computer peripheral device 5 control the The mobile device 2, wherein the second computer peripheral device 5 comprises a keyboard mouse, a USB flash drive or a printer, and the like.

The signal conversion unit 12 is electrically connected to the operation unit 122 and the indication unit 123, and is electrically connected to the switching unit 14. The signal conversion unit 12 is configured to transmit a control signal to the switching unit 14 when the operation unit 122 is operated, so that the switching unit 14 After receiving the control signal, the switching is performed to select the connection switching unit 11 or the fourth connection port 104, and the indication unit 123 is used to indicate the switching state of the switching unit 14.

In detail, when the operation unit 122 of the signal conversion unit 12 is operated, the operation unit 122 drives the signal conversion unit 12 to issue a control signal to the switching unit 14. After receiving the control signal from the signal conversion unit 12, the switching unit 14 selectively switches between the display device 3 and the second computer peripheral device 5. For example, if the switching unit 14 is originally switched to the display device 3, the switching unit 14 switches after receiving the control signal, and is connected to the second computer peripheral device 5, so that the mobile device 2 is connected to the second computer peripheral device 5. . At this time, the expansion device 1a is connected to the first computer peripheral device 4 and the second computer peripheral device 5 at the same time, and the user can operate the mobile device 2 by the first computer peripheral device 4 or the second computer peripheral device 5, or the first computer. The peripheral device 4 controls the mobile device 2 simultaneously with the second computer peripheral device 5.

When the operation unit 122 of the signal conversion unit 12 is operated again, the operation unit 122 drives the signal conversion unit 12 to issue a control signal to the switching unit 14. The switching unit 14 receives the control signal from the signal conversion unit 12 and switches again to cause the mobile device 2 to be connected to the display device 3 again.

It should be noted that since the second computer peripheral device 5 is connected to the switching unit 14 by a wired connection, the signal transmitted by the second computer peripheral device 5 does not need to be converted. Moreover, since the connection interface of the second computer peripheral device 5 is the same as that of the mobile device 2, it is not necessary to pass through the switching unit 11.

Further, the expansion device la of the present embodiment further includes an electric power supply unit 6 for supplying electric power required for the expansion device la.

In summary, the expansion device 1 (or 1a) of the present invention is used for connecting the mobile device 2, so that the mobile device 2 can be connected to the computer peripheral device such as a keyboard and a mouse by the present invention, and can also be connected to the display device 3, so that the user The mobile device 2 can be operated by a mouse and a keyboard, and the screen of the mobile device 2 can be displayed on the display device. The above embodiments are merely illustrative of the principles of the invention and its effects, and are not intended to limit the invention. Modifications and variations of the above-described embodiments can be made without departing from the spirit and scope of the invention.

Claims

Claims:

An expansion device for connecting a mobile device, the expansion device comprising: a first connection port for connecting the mobile device;

a second connection port, configured to connect to a display device;

An adapter unit electrically connected to the second connection port to connect the mobile device to the display device;

a third connection port, configured to connect to the first computer peripheral device;

a signal conversion unit electrically connected to the third connection port for receiving signals from the first computer peripheral device and converting the same;

The wireless transmission module is electrically connected to the signal conversion unit for receiving the converted signal of the signal conversion unit and transmitting the signal to the mobile device.

The expansion device according to claim 1, wherein the expansion device further comprises a switching unit and a fourth connection port, wherein the fourth connection port is configured to connect to the second computer peripheral device, and one end of the switching unit is electrically The first connection port is connected, and the other end is switched between the switching unit and the fourth connection port.

The expansion device according to claim 2, wherein the signal conversion unit is electrically connected to the switching unit for outputting a control signal to the switching unit, so that the switching unit selectively receives the control signal Connecting the switching unit or the fourth connecting end □.

The expansion device according to claim 3, wherein the signal conversion unit is electrically connected to the operation unit and the indication unit, and the operation unit is operated to cause the signal conversion unit to output the control signal to the switching unit. The indication unit is configured to indicate a switching state of the switching unit.

The expansion device according to claim 1, wherein the wireless transmission module is a Bluetooth module.

The expansion device according to claim 1, wherein the wireless transmission mode The block is electrically connected to the operating unit and the indicating unit, the operating unit is configured to enable or disable the wireless transmission module, and the indicating unit is configured to indicate that the state of the wireless transmission module is on or off.

The expansion device according to claim 1, wherein the expansion device further comprises a power supply unit for supplying power required by the expansion device.

The expansion device according to claim 1, wherein the first connection port is a universal serial bus or a mobile terminal high definition audio and video standard connection interface, and the second connection port is a high definition multimedia interface or a video graphics array. The third connection port and the fourth connection port are universal sequence buss.

The expansion device according to claim 1, wherein the signal conversion unit is configured to convert the signal around the first computer into a signal of a serial peripheral interface mode.