TWM507546U - Extension device and system thereof - Google Patents

Description

Extension device and system thereof

The present invention is an extension device and a system thereof, and more particularly to an extension device for transmitting video and audio signals and a system thereof.

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 the consumer in viewing video, how to improve the video transmission mechanism between the transmitter extender and the receiver extender in the extension system is very important.

Wherein, the extension device may cause damage to the extension system due to damage caused by one or a combination of the image input interface, the transmission interface, the universal sequence bus, the image output interface, and the transmission line; or two extension devices are required between the two extension devices. The signal transmission line of the strip, and the two signal transmission lines need to be normally coupled between the two extension devices, so that the extension system can perform normal operation; or only one of the two extension devices is normally coupled to the two extension devices. When the signal transmission line is in between, the extension system cannot operate normally, thereby causing inconvenience in use.

The present invention is to provide an extension device and a system thereof for transmitting an image or USB network packet, so that the output device outputs corresponding image content or input work.

The present invention provides an extension system coupled between at least one input device and at least one output device, the extension system comprising: a first extension device and a second extension device Set. The first extension device has an image input interface, a first universal sequence bus, a first transmission interface, and a second transmission interface, and the image input interface and the first universal sequence bus are respectively electrically connected to the at least one input device; The second extension device has an image output interface, a second universal sequence bus, a third transmission interface, and a fourth transmission interface. The image output interface and the second universal sequence bus are respectively electrically connected to the at least one output device. Wherein a first transmission line is connected between the first transmission interface of the first extension device and the third transmission interface of the second extension device, and a second transmission line is connected to the second transmission interface of the first extension device and the second When the fourth transmission interface of the extension device is between the first extension device, the first extension device outputs a first signal to the second extension device, and the first extension device outputs a second signal to the second extension device; wherein the first transmission line is connected to the first extension line When the first transmission interface of the first extension device is between the third transmission interface of the second extension device, the first extension device outputs the first signal to the second extension device; wherein the second transmission line is connected to the first extension device When the second transmission interface is between the fourth transmission interface of the second extension device, the first extension device outputs the second signal to the second extension device.

The present invention provides an extension device coupled between at least one input device and at least one output device. The extension device includes: an image input interface, a first universal sequence bus, a first conversion unit, and a second conversion unit. a first transmission interface and a second transmission interface. The image input interface is electrically connected to at least one input device. The first universal sequence bus is electrically connected to at least one input device. The first conversion unit is electrically connected to the image input interface. The second conversion unit is electrically connected to the first universal sequence bus. The first transmission interface is electrically connected to the first conversion unit. The second transmission interface is electrically connected to the second conversion unit. Wherein, when a first transmission line is connected to the first transmission interface of the extension device, and a second transmission line is connected to the second transmission interface of the extension device, the extension device outputs a first signal via the first transmission interface, and the extension device is The second transmission interface outputs a second signal; wherein, when the first transmission line is connected to the first transmission interface of the extension device, the extension device outputs the first signal via the first transmission interface; wherein the second transmission line is connected to the extension device When the second transmission interface is The extension device outputs the second signal via the second transmission interface.

The present invention provides an extension device coupled between at least one input device and at least one output device. The extension device includes: an image output interface, a second universal sequence bus, a third conversion unit, and a fourth conversion unit. a third transmission interface and a fourth transmission interface. The image output interface is electrically connected to at least one output device. The second universal sequence bus is electrically connected to at least one output device. The third conversion unit is electrically connected to the image output interface. The fourth conversion unit is electrically connected to the second universal sequence bus. The third transmission interface is electrically connected to the third conversion unit. The fourth transmission interface is electrically connected to the fourth conversion unit. Wherein, when a first transmission line is connected to the third transmission interface of the extension device, and a second transmission line is connected to the fourth transmission interface of the extension device, the extension device receives a first signal via the third transmission interface, and the extension device is The fourth transmission interface receives a second signal; wherein, when the first transmission line is connected to the third transmission interface of the extension device, the extension device receives the first signal via the third transmission interface; wherein the second transmission line is connected to the extension device During the fourth transmission interface, the extension device receives the second signal via the fourth transmission interface.

In summary, the present invention provides an extension device and a system thereof, coupled between an input device and an output device, the extension device transmits a network packet of the image through a transmission line, or transmits a USB network through another transmission line. The road packet is sent to the output device, whereby the output device outputs the corresponding image content or the input job.

The above summary and the following examples are intended to further illustrate the technical means and the efficiencies of the present invention, and the embodiments and drawings are merely provided for reference and are not intended to limit the present invention.

1, 1a, 1b‧‧‧ extension system

7‧‧‧ Input device

9a‧‧‧Screen of output device

9b‧‧‧ Keyboard of output device

11‧‧‧First extension

111‧‧‧First transmission interface

112‧‧‧Second transmission interface

114‧‧‧Image input interface

116‧‧‧First Universal Sequence Bus

117‧‧‧First conversion unit

119‧‧‧Second conversion unit

12‧‧‧Second extension

122‧‧‧Image output interface

123‧‧‧ third transmission interface

124‧‧‧fourth transmission interface

126‧‧‧Second universal sequence bus

127‧‧‧ third conversion unit

129‧‧‧fourth conversion unit

C1‧‧‧ first transmission line

C2‧‧‧second transmission line

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

2 is a block diagram showing the function of an extension system according to another embodiment of the present invention.

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

FIG. 1 is a schematic diagram of functional blocks of an extension system according to an embodiment of the present invention. Please refer to Figure 1. An extension system 1 is coupled between at least one input device 7 and at least one output device 9a, 9b. The extension system 1 includes a first extension device 11 and a second extension device 12. For convenience of explanation, the first extension device 11 is illustrated with a transmitter end extender and the second extension device 12 is a receiver end extender. The input device 7 is, for example, a computer, a notebook, a Blu-ray player, a multimedia player or a video player. The output device is, for example, a screen 9a, a display, a projector, a keyboard 9b, a mouse or other device. This embodiment does not limit the aspects of the input device 7, the output devices 9a, 9b, and the extension system 1.

Further, the present embodiment is described by coupling two transmission lines between the first and second extension devices 11, 12 respectively. One of them is the transmission line that transmits the image network packet. The other one is a transmission line that transmits a universal sequence bus network packet. In other embodiments, for example, a transmission line is coupled between the first and second extension devices 11, 12, for example, a transmission line for transmitting an image network packet; or a transmission for a universal sequence bus network packet. Transmission line. That is to say, when the extension system 1 is in one of the above three connection states, the extension system 1 is in an operational state. Briefly, as long as more than one transmission line is coupled between the first and second extension devices 11, 12, the extension system 1 is in a normal operating state. This embodiment does not limit the operation of the extension system 1.

The first extension device 11 has an image input interface 114, a first universal sequence bus 116, a first transmission interface 111, and a second transmission interface 112. The image input interface 114 and the first universal sequence bus 116 are respectively electrically connected. At least one input device 7 is connected. In practice, the video input interface 114 is, for example, one of an HDMI interface, a DVI interface, and a VGA interface, and the first universal sequence bus 116 is, for example, conforming to the Universal Serial Bus 1.0 specification, the Universal Sequence Bus 2.0 specification, and One of the Universal Sequence Bus 3.0 specifications. This embodiment does not limit the aspect of the first extension device 11.

The second extension device 12 has an image output interface 122, a second universal sequence bus 126, a third transmission interface 123, and a fourth transmission interface 124. The image output interface 122 and the second universal sequence bus 126 are respectively electrically At least one output device 9a is connected. In practice, the image output interface 122 is, for example, one of an HDMI interface, a DVI interface, and a VGA interface, and the second universal sequence bus 126 is, for example, conforming to the Universal Serial Bus 1.0 specification, the Universal Sequence Bus 2.0 specification, and One of the Universal Sequence Bus 3.0 specifications. This embodiment does not limit the aspect of the first extension device 11.

It should be noted that the image input interface 114 and the image output interface 122 of the embodiment have the same HDMI interface, and the first universal sequence bus 116 and the second universal sequence bus 126 are illustrated by the same USB 2.0. . In other embodiments, the image input interface 114 is, for example, an HDMI interface, and the image output interface 122 is, for example, a DVI interface. The first universal sequence bus 116 is, for example, USB 3.0, and the second universal sequence bus 126 is, for example, USB 2.0. The embodiment does not limit the aspect of the image input interface 114, the image output interface 122, the first universal sequence bus 116, and the second universal sequence bus 126.

The first transmission line C1 is connected between the first transmission interface 111 of the first extension device 11 and the third transmission interface 123 of the second extension device 12, and a second transmission line C2 is connected to the first extension device 11. When the second transmission interface 112 is between the fourth transmission interface 124 of the second extension device 12, the first extension device 11 outputs a first signal to the second extension device 12, and the first extension device 11 outputs a second signal to Second extension device 12.

In addition, the first transmission interface 111, the second transmission interface 112, the third transmission interface 123, and the fourth transmission interface 124 are respectively an RJ-45 interface. The first transmission line C1 and the second transmission line C2 are respectively transmission lines conforming to the CAT-5, CAT-5E, CAT6, CAT6E or CAT7 specifications. The embodiment does not limit the first transmission interface 111, the second transmission interface 112, the third transmission interface 123, and the fourth transmission interface 124, and the first transmission line C1 and the second transmission line C2.

Next, an operation mode in which a transmission line is coupled between the first and second extension devices 11, 12 is further explained.

2 is a block diagram showing the function of an extension system according to another embodiment of the present invention. Please refer to Figure 2. The extension system 1a of the present embodiment is described by coupling the first transmission line C1 between the first and second extension devices 12. That is, the extension system 1a does not have the second transmission line C2 coupled between the first and second extension devices 11, 12. When the first transmission line C1 is connected between the first transmission interface 111 of the first extension device 11 and the third transmission interface 123 of the second extension device 12, the first extension device 11 outputs the first signal to the second extension device. 12.

The first extension unit 11 further includes a first conversion unit 117 and a second conversion unit 119. The first conversion unit 117 is coupled between the image input interface 114 and the first transmission interface 111, and the second conversion unit 119 is coupled. Connected between the first universal sequence bus 116 and the second transmission interface 112. The second extension unit 12 further includes a third conversion unit 127 and a fourth conversion unit 129. The third conversion unit 127 is coupled between the third transmission interface 123 and the image output interface 122. The fourth conversion unit 129 is coupled. Between the fourth transmission interface 124 and the second universal sequence bus 126.

Further, the image input interface 114 receives an image signal output by the at least one input device 7 and transmits the image signal to the first conversion unit 117, and the first conversion unit 117 is configured to convert the image signal into the first signal. The sequence bus 116 receives at least one input device 7 and outputs a common sequence bus signal, and transmits the signal to the second conversion unit 119. The second conversion unit 119 is configured to convert the universal sequence bus signal into a second signal. The first signal and the second signal are network packet signals.

The third transmission interface 123 receives the first signal and transmits it to the third conversion unit 127, and the third conversion unit 127 is configured to convert the first signal into an image signal, and the image signal is output to the at least one output device via the image output interface 122. The screen 9a receives the second signal and transmits it to the fourth converting unit 129, and the fourth converting unit 129 converts the second signal into a universal serial bus signal. The universal sequence bus signal is output via the second universal sequence bus 126 to the keyboard 9b of at least one output device. Therefore, the keyboard 9b of the output device can perform an input job.

For example, the user only installs the first transmission line C1 between the first and second extension devices 11, 12. Therefore, the first and second extension devices 11, 12 will be in a normal operating state, whereby the first extension device 11 transmits a network packet of the image through the first transmission interface 111 to the second extension device 12, and the second extension device 12 receiving a network packet of the image through the third transmission interface 123. Of course, the screen 9a of the output device can output the corresponding image signal and image content.

3 is a block diagram showing the function of an extension system according to another embodiment of the present invention. Please refer to Figure 3. The extension system 1b of this embodiment is described by coupling the second transmission line C2 between the first and second extension devices 11, 12. That is, the extension system 1b does not have the first transmission line C1 coupled between the first and second extension devices 11, 12. When the second transmission line C2 is connected between the second transmission interface 112 of the first extension device 11 and the fourth transmission interface 124 of the second extension device 12, the first extension device 11 outputs the second signal to the second extension device. 12.

For example, the user only installs the second transmission line C2 between the first and second extension devices 11, 12. Therefore, the first and second extension devices 11, 12 will be in a normal operating state, whereby the first extension device 11 transmits the network packet of the universal sequence bus bar to the second extension device 12 through the second transmission interface 112, and The second extension device 12 receives the network packet of the universal sequence bus through the third transmission interface 123. Of course, the second extension device 12 transmits the second universal sequence bus 126 to output a signal or power to the keyboard 9b of the output device. Therefore, the user can use the keyboard 9b of the output device to perform related input work.

In addition, according to the operation modes of FIG. 2 and FIG. 3, the user can quickly check whether the first and third transmission interfaces 111, 123 are damaged, or quickly check whether the first transmission line C1 is damaged, or quickly check the second. And whether the fourth transmission interface 112, 124 is damaged, or whether the second transmission line C2 is quickly damaged.

For example, the first transmission line C1 and the second transmission line C2 are both CAT-5 transmission lines, wherein the first transmission line C1 is good and the second transmission line C2 is damaged. When the user couples the second transmission line C2 between the first and second extension devices 11, 12, the extension system 1b will not operate. Therefore, the user can infer that "the second transmission interface 112 of the first extension device 11 and the fourth transmission interface 124 of the second extension device 12 may be damaged" or "the second transmission line C2 may be damaged". When the user connects the first transmission line C1 between the second transmission interface 112 of the first extension device 11 and the fourth transmission interface 124 of the second extension device 12, if the extension system 1b is in a normal operation state, the user can It is judged that the second transmission line C2 is damaged. This allows for quick inspections.

In summary, the present invention provides an extension device and a system thereof, coupled between an input device and an output device, and a network packet for transmitting images through a transmission line between the two extension devices to the output device, thereby outputting the device Outputting the corresponding image content; or transmitting a USB network packet to the output device through a transmission line, whereby the output device can perform an input operation. That is to say, the extension system of the creation is in a normal operation state through a transmission line, and can transmit a network packet such as an image or a USB to the output device. In addition, the creation can quickly check whether the two extension devices are damaged or whether the transmission line is damaged, thereby improving the convenience of the use of the extension device.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the patent of the present invention.

1‧‧‧Switching system

7‧‧‧ Input device

9a‧‧‧Screen of output device

9b‧‧‧ Keyboard of output device

11‧‧‧First extension

111‧‧‧First transmission interface

112‧‧‧Second transmission interface

114‧‧‧Image input interface

116‧‧‧First Universal Sequence Bus

12‧‧‧Second extension

122‧‧‧Image output interface

123‧‧‧ third transmission interface

124‧‧‧fourth transmission interface

126‧‧‧Second universal sequence bus

C1‧‧‧ first transmission line

C2‧‧‧second transmission line

Claims (8)

An extension system is coupled between the at least one input device and the at least one output device, the extension system includes: a first extension device having an image input interface, a first universal sequence bus, a first transmission interface, and a second transmission interface, the image input interface and the first universal sequence bus are respectively electrically connected to the at least one input device; and a second extension device has an image output interface, a second universal sequence bus, and a a third transmission interface and a fourth transmission interface, wherein the image output interface and the second universal sequence bus are respectively electrically connected to the at least one output device; wherein the first transmission line is connected to the first extension device Between a transmission interface and the third transmission interface of the second extension device, and a second transmission line connected between the second transmission interface of the first extension device and the fourth transmission interface of the second extension device The first extension device outputs a first signal to the second extension device, and the first extension device outputs a second signal to the second extension device The first extension device outputs the first signal to the second when the first transmission line is connected between the first transmission interface of the first extension device and the third transmission interface of the second extension device An extension device, wherein the first extension device outputs the second signal when the second transmission line is connected between the second transmission interface of the first extension device and the fourth transmission interface of the second extension device The second extension device further includes a first conversion unit and a second conversion unit, the first conversion unit being coupled between the image input interface and the first transmission interface, the first The second conversion unit is coupled between the first universal sequence bus and the second transmission interface; wherein the second extension device further includes a third conversion unit and a fourth conversion The third conversion unit is coupled between the third transmission interface and the image output interface, and the fourth conversion unit is coupled between the fourth transmission interface and the second universal sequence bus. The extension system of claim 1, wherein the image input interface receives an image signal output by the at least one input device and transmits the image signal to the first conversion unit, and the first conversion unit converts the image signal For the first signal, the first universal sequence bus receives a universal sequence bus signal output by the at least one input device, and transmits the signal to the second conversion unit, where the second conversion unit is configured to sink the universal sequence The signal is converted into the second signal, and the first signal and the second signal are respectively network packet signals. The extension system of claim 2, wherein the third transmission interface receives the first signal and transmits the first signal to the third conversion unit, and the third conversion unit is configured to convert the first signal into the image signal The image signal is output to the at least one output device via the image output interface, the fourth transmission interface receives the second signal and transmits to the fourth conversion unit, and the fourth conversion unit is configured to use the second The signal is converted into the universal sequence bus signal, and the universal sequence bus signal is output to the at least one output device via the second universal sequence bus. The extension system of claim 1, wherein the first transmission interface, the second transmission interface, the third transmission interface, and the fourth transmission interface are respectively an RJ-45 interface. The extension system of claim 1, wherein the first transmission line and the second transmission line are respectively transmission lines conforming to the CAT-5, CAT-5E, CAT6, CAT6E or CAT7 specifications. The extension system of claim 1, wherein the image input interface and the image output interface are respectively one of an HDMI interface, a DVI interface, and a VGA interface, and the first universal sequence bus and the second universal The sequence bus is one of the specifications conforming to the Universal Sequence Bus 1.0 specification, the Universal Sequence Bus 2.0 specification, and the Universal Sequence Bus 3.0 specification. An extension device is coupled between the at least one input device and the at least one output device, the extension device includes: an image input interface electrically connected to the at least one input device; a first universal sequence bus bar electrically connected to the At least one input device; a first conversion unit electrically connected to the image input interface; a second conversion unit electrically connected to the first universal sequence bus; a first transmission interface electrically connected to the first conversion unit And a second transmission interface electrically connected to the second conversion unit; wherein, the first transmission line is connected to the first transmission interface of the extension device, and the second transmission line is connected to the second transmission line When the interface is transmitted, the extension device outputs a first signal via the first transmission interface, and the extension device outputs a second signal via the second transmission interface; wherein the first transmission line is connected to the first extension of the extension device The extension device outputs the first signal via the first transmission interface; wherein the second transmission line is connected to the extension device The second transmission interface, which extends through the second transmission means outputs the second signal interface. An extension device is coupled between the at least one input device and the at least one output device, the extension device includes: an image output interface electrically connected to the at least one output device; and a second universal sequence bus bar electrically connected to the At least one output device; a third conversion unit electrically connected to the image output interface; a fourth conversion unit electrically connected to the second universal sequence bus; a third transmission interface electrically connected to the third conversion unit And a fourth transmission interface electrically connected to the fourth conversion unit; wherein, the first transmission line is connected to the third transmission interface of the extension device, and the second transmission line is connected to the fourth transmission line When the interface is transmitted, the extension device receives a first signal via the third transmission interface, and the extension device receives a second signal via the fourth transmission interface; The extension device receives the first signal via the third transmission interface when the first transmission line is connected to the third transmission interface of the extension device; wherein the second transmission line is connected to the first extension device When the four transmission interfaces are in use, the extension device receives the second signal via the fourth transmission interface.