TWM517354U - Extending device - Google Patents

Description

Extension device

The present invention consists in providing an extension device, in particular an extension device adapted to be electrically connected to a computer main body or at least one peripheral device.

In recent years, due to the rapid development of multimedia audio and video technology, various video transmission extension devices and video playback devices with different functions have appeared on the market. In order to improve the convenience and flexibility of consumers in viewing video, how to improve the video transmission mechanism between the transmitter and the receiver in the extension device is very important.

Among them, whether it is to switch the same display to display video signals from different audio and video input sources, or to divert video signals from the same audio and video input source to different displays, it is necessary to pass through complicated connection circuits. Complex connection circuits will increase the complexity and cost of wiring, and complex connection circuits will interfere or affect each other. This affects the display output multimedia signal, or can not control the display to output multimedia signals. Therefore, it is inconvenient to use.

The present invention is to provide an extension device for improving the ease of use of the extension device by detecting the design of the computer device or the peripheral device and setting the extension device as an extender at the transmitting end or the receiving end.

The present invention provides an extension device for electrically connecting to a computer host or at least one peripheral device. The extension device includes: at least one universal serial bus, a detection unit, a control unit, a host processing unit, and a device processing. unit. at least A universal serial bus is used to electrically connect to a computer host or at least one peripheral device. The detecting unit is electrically connected to at least one universal serial bus for detecting a computer host or at least one peripheral device. The control unit is electrically connected to the detecting unit. The host processing unit is electrically connected to the detecting unit and the control unit, and the detecting unit forms a first path with the host processing unit. The device processing unit is electrically connected to the detecting unit and the control unit, and the detecting unit and the device processing unit form a second path. The detecting unit detects that the computer host is electrically connected to the at least one universal serial bus, the detecting unit outputs a first detecting signal to the control unit, and the control unit controls the universal serial bus signal according to the first detecting signal. The first path is transmitted and the host processing unit is controlled to operate. The detecting unit detects that at least one peripheral device is electrically connected to the at least one universal serial bus, the detecting unit outputs a second detecting signal to the control unit, and the control unit controls the universal sequence convergence according to the second detecting signal. The signal is transmitted in the second path and controls the device processing unit to operate.

The specific means of the creation is to use an extension device to detect the computer device or the peripheral device through the detecting unit to set the transmission state (transmitting end or receiving end) of the extension device itself, and notify the extension device at the other end through the transmission line. In order to make the extension device at the other end set its own transmission state (transmitting end or receiving end), thereby improving the usability of the extending device. In this way, the creation can indeed improve the ease of use of the extension device.

In order to further understand the techniques, methods and effects of this creation, please refer to the following detailed description and drawings of the creation. The above description of the creation and the description of the following embodiments are for further explanation. The technical means of creation and the achievement of the effect, but the embodiments and drawings described are provided for reference only, and are not intended to limit the creation.

1, 1a, 1b‧‧‧ extension system

11, 12‧‧‧ extension devices

110, 120‧‧‧Detection unit

112, 122‧‧‧Control unit

114, 124‧‧‧ host processing unit

116, 126‧‧‧ device processing unit

117, 127‧‧‧ operating unit

118, 128‧‧‧ conversion unit

119, 129‧‧‧ video conversion unit

14‧‧‧ transmission line

H1‧‧‧ line assembly

IO1, IO2‧‧‧ input and output interface

P1, P2‧‧‧ video output/input interface

U1, U2‧‧‧ Universal Sequence Bus

D1‧‧‧ display device

S1‧‧‧Video source device

R11, R21‧‧‧ first path

R12, R22‧‧‧ second path

FIG. 1 is a functional block diagram of an extension system according to an embodiment of the present invention.

2 is a functional block diagram of an extension system of another embodiment of the present invention.

FIG. 3 is a functional block diagram of an extension system according to another embodiment of the present invention.

FIG. 1 is a functional block diagram of an extension system according to an embodiment of the present invention. Please refer to Figure 1. An extension system 1 is adapted to be electrically connected to a computer mainframe (not shown) and at least one peripheral device (not shown). The extension system 1 includes two extension devices 11, 12, and the two extension devices 11 and 12 are transparent. A transmission line 14 is electrically connected.

For convenience of description, the present embodiment is described by first connecting the computer host with the electrical extension device 11. Therefore, the extension device 11 can detect the computer device, and the other extension device 12 is automatically set to be an extender that can be electrically connected to the peripheral device. That is to say, the extension device 11 electrically connected to the computer host is an extender of the transmitting end, and the other extension device 12 is automatically set as an extender at the receiving end.

On the contrary, if the computer host is electrically connected to the extension device 12 first. Therefore, the extension device 12 can detect the computer device, and the other extension device 11 is automatically set to be an extender that can be electrically connected to the peripheral device. That is to say, the extension device 12 electrically connected to the host computer is an extender at the transmitting end, and the other extension device 11 is automatically set as an extender at the receiving end. This embodiment does not limit the aspect of the extension system 1.

Similarly, the peripheral device is electrically connected to the extension device 11 first. Therefore, the extension device 11 can detect the peripheral device, and the other extension device 12 is automatically set to be an extender that can be electrically connected to the computer device. That is to say, the extension device 11 electrically connected to the peripheral device is an extender at the transmitting end, and the other extension device 12 is automatically set as an extender at the receiving end.

On the contrary, if the peripheral device is electrically connected to the extension device 12 first. Therefore, the extension device 12 can detect the peripheral device, and the other extension device 11 is automatically set as an extender that can be electrically connected to the computer device. That is to say, the extension device 12 electrically connected to the peripheral device is an extender at the transmitting end, and the other extension device 11 is automatically set as an extender at the receiving end. This embodiment does not limit the aspect of the extension system 1.

Simply put, if the computer device is first plugged into one of the two extension devices 11, 12 The extension device 11 of the computer device is electrically connected to the extension device of the transmitting end. Then the other extension device 12 is an extender at the receiving end. On the other hand, if the peripheral device first inserts one of the two extension devices 11, 12, the extension device 11 that electrically connects the peripheral device is the extension of the receiving end. Another extension device 12 is an extender at the transmitting end. This increases the rate of extension system settings and signal transmission.

It is worth mentioning that the extension device 12 and the extension device 11 are the same function of the extender. Therefore, the present embodiment is explained by the extension device 11. Those skilled in the art will be aware of the technical features of the extension device 12 in accordance with the extension device 11.

In detail, an extension device 11 is adapted to be electrically connected to a computer host or at least one peripheral device. The extension device 11 includes at least one universal sequence bus bar U1, a detecting unit 110, a control unit 112, and a conversion unit. 118. A host processing unit 114, a device processing unit 116, and an input/output interface IO1.

In practice, the detecting unit 110 is electrically connected to at least one universal sequence bus U1, the host processing unit 114, and the device processing unit 116. The conversion unit 118 is electrically connected to the input/output interface IO1, the host processing unit 114, and the device processing unit 116. The control unit 112 is electrically connected to the detecting unit 110, the converting unit 118, the host processing unit 114, and the device processing unit 116. This embodiment does not limit the aspect of the extension device 11.

The host computer is implemented, for example, by a servo computer, a notebook computer, a multimedia playback device, or other computer device. Peripheral devices are implemented, for example, as keyboards, screens, mice, rockers, or other devices. This embodiment does not limit the aspect of the computer host and peripheral devices. The other at least one universal serial bus U1 is used to electrically connect to the computer host or at least one peripheral device. In practice, the number of universal sequence busses U1 (USB) is, for example, one, two or more. The general-purpose serial bus U1 is a port that conforms to one or a combination of the general-purpose serial bus 1.0, 1.2, 2.0, 3.0, and 3.1 Type C specifications. This embodiment does not limit the number and aspects of the universal sequence bus U1.

The detecting unit 110 is electrically connected to at least one universal serial bus U1 for detecting a computer host or at least one peripheral device. In practice, the detecting unit 110 can detect The measurement circuit, the identification detection circuit or the identification judgment circuit are implemented. This embodiment does not limit the aspect of the detecting unit 110.

In detail, if the host computer is electrically connected to the universal serial bus U1 of the extension device 11, the detecting unit 110 determines, according to the signal transmitted by the host computer, that the extension device 11 is connected to the computer host. The signal transmitted by the host computer is, for example, specified by a Human Interface Device Class (HID Class), so that the detecting unit 110 can recognize the function and identity of the computer host.

If the peripheral device is electrically connected to the universal serial bus U1 of the extension device 11, the detecting unit 110 determines that the extension device 11 is connected to the peripheral device according to the signal transmitted by the peripheral device. The signal transmitted by the peripheral device is, for example, specified by a Human Interface Device Class (HID Class), so that the detecting unit 110 can recognize the function and identity of the peripheral device. This embodiment does not limit the operation of the detecting unit 110.

The control unit 112 is electrically connected to the detecting unit 110. In practice, control unit 112 is, for example, a central processing unit (CPU), a microprocessor, a control chip, or a control circuit. This embodiment does not limit the aspect of the control unit 112. In practice, the control unit 112 selects one of the first path R11 and the second path R12 according to the detection signal of the detecting unit 110. The detecting unit 110 forms a first path R11 with the host processing unit 114. The detecting unit 110 and the device processing unit 116 form a second path R12.

The host processing unit 114 is an analog peripheral device to enable the host computer to communicate with the analog peripheral device, and the device processing unit 116 is an analog host to enable at least one peripheral device to communicate with the analog host. Briefly, if the host computer is electrically connected to the extension device 11, the host processing unit 114 operates to simulate a peripheral device, whereby the computer host communicates with the analog peripheral device. On the other hand, if the peripheral device is first electrically connected to the extension device 11, the device processing unit 116 operates to simulate a computer host, whereby the peripheral device communicates with the analog host.

In practice, the host processing unit 114 and the device processing unit 116 can respectively transmit Implemented by analog chips, analog firmware or analog circuits. The host processing unit 114 is, for example, an analog mouse chip, an analog screen chip, or an analog keyboard chip. The device processing unit 116 is implemented, for example, as a simulated host wafer or an analog laptop. This embodiment does not limit the aspects of the host processing unit 114 and the device processing unit 116.

It is worth mentioning that the conversion unit 118 is configured to convert the universal sequence bus signal into a network signal. The network signal is output or input from the input/output interface IO1. In practice, the conversion unit 118 is, for example, a signal conversion circuit or a signal conversion firmware. The output interface IO1 is, for example, an RJ-45 port. The universal sequence bus signal can be transmitted to the conversion unit 118 via the first path R11 or the second path R12, and is converted to the transmission line 14 by the conversion unit 118. This embodiment does not limit the aspect of the conversion unit 118 and the input/output interface IO1.

When the detecting unit 110 detects that the computer host is electrically connected to the at least one universal serial bus U1, the detecting unit 110 outputs a first detecting signal to the control unit 112, and the control unit 112 controls the universal according to the first detecting signal. The sequence bus signal is transmitted in the first path R11 and controls the host processing unit 114 to operate.

When the detecting unit 110 detects that at least one peripheral device is electrically connected to the at least one universal serial bus U1, the detecting unit 110 outputs a second detecting signal to the control unit 112, and the control unit 112 uses the second detecting signal according to the second detecting signal. The control universal sequence bus signal is transmitted in the second path R12 and the control device processing unit 116 operates.

Further, the control unit 112 outputs a first notification signal to the extension device 11 at the other end of the transmission line 14 according to the first detection signal. The first notification signal indicates that the extension device 11 at the other end of the transmission line 14 automatically determines the electrical conductivity. Connect at least one peripheral device.

The control unit 112 outputs a second notification signal to the extension device 11 at the other end of the transmission line 14 according to the second detection signal. The second notification signal indicates that the extension device 11 at the other end of the transmission line 14 automatically determines that the computer host is electrically connected.

Therefore, the extension device 11 of the embodiment is connected to the computer device or the peripheral device through the universal serial bus U1, thereby being set as the transmitting end or the receiving end. The extender, and notifying the extension device 12 at the other end of the transmission line 14, automatically determines that the at least one peripheral device or computer device is electrically connectable. Thereby, the speed of setting extension system 1 and signal transmission is improved. This embodiment does not limit the operational aspect of the extension system 1.

2 is a functional block diagram of an extension system of another embodiment of the present invention. Please refer to Figure 2. An extension system 1a is adapted to be electrically connected to a computer mainframe and at least one peripheral device. The extension system 1a includes two extension devices 11, 12 and a hub device H1. The line concentrating device H1 is electrically connected between the two extending devices 11, 12.

The extension system 1a in FIG. 2 is similar in structure to the extension system 1 in FIG. 1, and the same elements that are included in the following are denoted by the same reference numerals. The difference between the extension systems 1a, 1 is that the line concentrating device H1 is electrically connected between the two extension devices 11, 12. In practice, the hub device H1 is, for example, a hub (HUB), an IP sharer, or a router (ROUTER). This embodiment does not limit the aspect of the line concentrating device H1.

The line concentrating device H1 has a transmission distance other than the extendable signal. In other embodiments, the line concentrating device H1 can also be electrically connected to the plurality of extending devices 11, 12. That is, the extension system 1a includes a plurality of extension devices 11, 12 and a hub device H1. This embodiment does not limit the architecture and aspect of the extension system 1a.

In addition, the extension devices 11, 12 include, for example, two or more universal serial busbars U1, U2, thereby electrically connecting two or more peripheral devices or computer hosts. This embodiment does not limit the aspect of the extension devices 11, 12. In addition, the embodiment may also automatically switch the first path R11 or the second path R12 to transmit the universal sequence bus signal. For example, the control unit 112 automatically controls the general sequence bus signal according to the first detection signal to transmit in the first path R11, and controls the host processing unit 114 to operate; or the control unit 112 automatically controls the universal sequence convergence according to the second detection signal. The signal is transmitted in the second path R12 and the control device processing unit 116 operates. The rest are similar and will not be repeated here.

FIG. 3 is a functional block diagram of an extension system according to another embodiment of the present invention. Please refer to Figure 3. The extension system 1b in FIG. 3 is similar in structure to the extension system 1 in FIG. 1, and the same elements that are included in the following will be denoted by the same reference numerals. The difference between the extension systems 1b and 1 is that the extension device 11 further includes a video output/input interface P1, a video conversion unit 119 and an operation unit 117. The extension device 12 further includes a video output/input interface P2, a video conversion unit 129, and an operation unit 127.

For convenience of explanation, the present embodiment is described by "the host computer or the video source device S1 is inserted into the extension device 11, and the other extension device 12 is automatically set as the extender of the peripheral device." In other embodiments, the extension device 11 can have a video output/input interface P1 and a video output/input interface P2. When the peripheral device is first inserted into the extension device 11, the other extension device 12 is automatically set as an extender that can be plugged into the host computer or the video source device S1. This embodiment does not limit the aspect of the extension system 1b.

In practice, the video output/input interface P1 is electrically connected to the video conversion unit 119. The video conversion unit 119 is electrically connected to the conversion unit 118 and the control unit 112. The video output/input interface P1 is electrically connected to a video source device S1. The video source device S1 is, for example, a DVD, a Blu-ray player, a multimedia player, or other video source device. This embodiment does not limit the aspect of the video source device S1.

The video output/input interface P1 is, for example, a high-resolution multimedia interface (HDMI), a video graphics array interface (VGA), a digital video interface (DVI), a D terminal, a serial digital interface or a digital video interface. (DisplayPort), the input/output interface IO1 is the RJ-45 port. This embodiment does not limit the aspect of the video output/input interface P1.

The extension device 12 further includes a video output/input interface P2 and a video conversion unit 129. The video conversion unit 129 is electrically connected to the conversion unit 128 and the control unit 122. The video output/input interface P2 is electrically connected to a display device D1. The display device D1 is, for example, a screen, a display or a projector. This embodiment does not limit the aspect of the display device D1.

The video output/input interface P2 is, for example, a high-resolution multimedia interface (HDMI), a video graphics array interface (VGA), a digital video interface (DVI), a D-terminal, a serial digital interface, or a digital video interface. (DisplayPort), output interface IO2 is the RJ-45 port. This embodiment does not limit the aspect of the video output/input interface P2.

Further, the video conversion units 119, 129 are implemented, for example, by a video conversion chip or a video conversion firmware. For example, the video conversion units 119 and 129 can convert a high-resolution multimedia interface (HDMI) signal into a network packet signal. This embodiment does not limit the aspect of the video conversion units 119, 129.

It should be noted that the operation unit 117 is electrically connected to the control unit 112. The control unit 112 controls the general sequence bus signal to be transmitted in the first path R11 or the second path R12 according to an operation instruction of the operation unit 117, and controls the host processing unit 114 or the device processing unit 116 to operate. In brief, in this embodiment, the universal sequence bus signal can be transmitted by switching the first path R11 or the second path R12 through manual operation. Similarly, the operation unit 127 of the electrical connection control unit 122 also has the same function as the operation unit 117. The operation unit 117 is realized by, for example, a switch, a button, a dialer or other manual mechanism. This embodiment does not limit the aspect of the operation units 117, 127. The rest are similar and will not be repeated here.

In summary, the present invention is an extension device in which a computer device or a peripheral device is connected to a universal serial bus of the extension device, and the detection unit detects the computer device or the peripheral device to set the transmission state of the extension device itself ( Transmitter or receiver). For example, the extension device of the transmitting end performs signal processing and transmission through the first path of the host processing unit, and the extension device of the receiving end performs signal processing and transmission through the second path of the device processing unit. In addition, the extension device transmits the extension device through the transmission line to cause the extension device at the other end to set its own transmission state (transmitting end or receiving end), thereby improving the usability of the extension device and its system. In this way, the creation can indeed increase the transmission settings and installation settings of the extension device.

This creation has already met the requirements of the new patent and applied in accordance with the law. However, the above disclosures are only preferred embodiments of the present invention, and the scope of rights of the present invention cannot be limited thereto. Therefore, the equal changes or modifications made according to the scope of the application of the present application are still covered by the present application.

1‧‧‧Extension system

11, 12‧‧‧ extension devices

110, 120‧‧‧Detection unit

112, 122‧‧‧Control unit

114, 124‧‧‧ host processing unit

116, 126‧‧‧ device processing unit

118, 128‧‧‧ conversion unit

14‧‧‧ transmission line

IO1, IO2‧‧‧ input and output interface

U1, U2‧‧‧ Universal Sequence Bus

R11, R21‧‧‧ first path

R12, R22‧‧‧ second path

Claims (9)

An extension device is adapted to be electrically connected to a computer host or at least one peripheral device, the extension device comprising: at least one universal serial bus bar for electrically connecting the computer host or the at least one peripheral device; Electrically connecting the at least one universal serial bus to detect the computer host or the at least one peripheral device; a control unit electrically connected to the detecting unit; and a host processing unit electrically connected to the detecting unit And the control unit, the detecting unit and the host processing unit form a first path; and a device processing unit electrically connected to the detecting unit and the control unit, the detecting unit and the device processing unit form a first a second path, wherein the detecting unit detects that the computer host is electrically connected to the at least one universal serial bus, the detecting unit outputs a first detecting signal to the control unit, and the control unit is configured according to the first Detecting a signal to control a universal sequence bus signal to transmit on the first path and controlling operation of the host processing unit; wherein the detecting unit detects the at least When the peripheral device is electrically connected to the at least one universal serial bus, the detecting unit outputs a second detecting signal to the control unit, and the control unit controls the universal serial bus signal according to the second detecting signal. The second path transmits and controls the processing unit operation of the device. The extension device of claim 1, wherein the control unit outputs a first notification signal to the extension device at the other end of the transmission line according to the first detection signal, the first notification signal indicating the other end of the transmission line The extension device automatically determines that the at least one peripheral device is electrically connected. The extension device of claim 2, wherein the control unit outputs a second notification signal to the extension device at the other end of the transmission line according to the second detection signal, the second notification signal indicating the other end of the transmission line The extension device automatically determines that the computer host can be electrically connected. The extension device of claim 1, further comprising a conversion unit and an input/output interface, the conversion unit is electrically connected to the host processing unit, the device processing unit and the control unit, and the input/output interface is electrically connected to the conversion The unit is configured to convert the universal serial bus signal into a network signal, and the network signal is output or input from the output interface. The extension device of claim 4, further comprising a video output/input interface and a video conversion unit, wherein the video output/input interface is electrically connected to the video conversion unit, and the video conversion unit is electrically connected to the conversion unit and the And a control unit, the video output/input interface is electrically connected to a video source device or a display device. The extension device of claim 5, wherein the video output/input interface is a high-resolution multimedia interface (HDMI), a video graphics array interface (VGA), a digital video interface (DVI), a D terminal, and a Serial digital interface or a digital video interface (DisplayPort), the input and output interface is RJ-45 port. The extension device of claim 1, wherein the at least one universal sequence bus is a port that conforms to one or a combination of the universal sequence bus 1.0, 1.2, 2.0, 3.0, and 3.1 Type C specifications. The extension device of claim 1, wherein the control unit automatically controls the universal sequence bus signal to transmit on the first path according to the first detection signal, and controls the operation of the host processing unit, and the control unit The second detection signal is transmitted in the second path by automatically controlling the universal sequence bus signal and controlling the operation of the processing unit of the device. The extension device of claim 1, further comprising an operation unit electrically connected to the control unit, the control unit controlling the universal sequence bus signal to the first path or the first according to an operation indication of the operation unit The second path transmits and controls the host processing unit or the device processing unit to operate.