CN101557396A - USB network bridge and use thereof - Google Patents
USB network bridge and use thereof Download PDFInfo
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- CN101557396A CN101557396A CNA2009100572692A CN200910057269A CN101557396A CN 101557396 A CN101557396 A CN 101557396A CN A2009100572692 A CNA2009100572692 A CN A2009100572692A CN 200910057269 A CN200910057269 A CN 200910057269A CN 101557396 A CN101557396 A CN 101557396A
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Abstract
The invention relates to a USB network bridge used for connecting an RJ45 network interface and a USB Host interface. The invention is characterized in that the USB network bridge comprises an RJ45 Ethernet standard interface, a USB Host standard interface and a bilateral switching CPU realized according to Ethernet-USB host protocol data. One end of the network bridge is an RJ45 Ethernet interface used for realizing remote connection with the computer while the other end is at least one USB host interface which is connected with computer peripherals; the bilateral switching CPU of Ethernet-USB host protocol standard is arranged between the two interfaces, thereby realizing share of one USB internet access card by a plurality of computers. Therefore, a USB camera can upload images to the Ethernet via the USB network bridge to provide technical support to low-cost remote monitoring; a common USB printer can be connected to the local area network by the USB network bridge to provide technical support for low-cost share of printer by a plurality of computers, thereby saving cost for starting up a server.
Description
Technical field:
The present invention relates to computer extension transmission interconnection technique or device class, especially a kind of two-way USB bridge that is connected of RJ45Ethernet and USBHost interface of realizing reaches and uses, and is applicable to wired message transmission of computer operation network or communication network technology.
Technical background
Along with the fast development of the 3G communication technology, utilize the networking of 3G data card to enter various information networks and become a reality.How further to expand the new problem that computer network functions has become computer application field by means of the 3G network technology.
But the 3G data card can only be implemented man-to-man corresponding configuration with the operational computations machine when practical application, can't realize the connection and the operating state of a 3G data card of many computer utilities.Its reason is: at present computer peripheral equipment uses USB Device interface in a large number, they have only by with online could the work of computer USB Host interface, limited USB connecting line transmission range of while is limited, also limits the range of application of peripheral hardware greatly.Therefore how to address the above problem, having become needs the problem that solves in the association area.
Summary of the invention
Purpose of the present invention: the USB bridge that is intended to invent a kind of RJ45 of connection network interface and USB Host mouth, can overcome the limited defective of conventional USB connecting line transmission range, can enlarge simultaneously the range of application of peripheral hardware in the network again to greatest extent, the 3G mechanics of communication can be used in bigger networking technology area widely.
The foregoing invention purpose is achieved through the following technical solutions:
This USB bridge can realize that the bi-directional conversion CPU of conversion constitutes according to Ethernet-USB Host protocol data by RJ45 Ethernet standard interface, USB Host standard interface and.
Described USB bridge, the one end is to realize the RJ45 Ethernet interface that is connected with computer remote, the other end is at least one the USB Host interface that is connected with computer peripheral equipment, is provided with the bi-directional conversion CPU that realizes connection by Ethernet-USB Host consensus standard between above-mentioned two interfaces.
The bi-directional conversion CPU of described USB bridge is constituted by monolithic chip or multi-plate chip.
Described USB bridge one end connects a router by RJ45 Ethernet interface, and link to each other with multiple computers by router, Ethernet is sent to packet the protocol data bi-directional conversion CPU that is made of CPU, after being compiled into the packet that meets USB Host consensus standard, USB Host interface by the USB bridge one end other end links to each other with the 3G data card again, forms many computer utility network work systems sharing a 3G data card.
Described USB bridge A one end connects a router, the other end by RJ45 Ethernet interface and links to each other with the 3G data card by USB Host interface, and link to each other with multiple computers by router RJ45 Ethernet interface, and the printer that on another RJ45 Ethernet interface of this router, the 2nd USB bridge B is set and is connected with this bridge, formation is shared the network work system of many computer utilities one printer of a 3G data card thus.
Described USB bridge A one end connects a router, the other end by RJ45 Ethernet interface and links to each other with the 3G data card by USB Host interface, and link to each other with multiple computers by router RJ45 Ethernet interface, and the remote monitoring camera that on another RJ45 Ethernet interface of this router, the 2nd USB bridge B is set and is connected with this bridge, formation is shared the network work system of many computer utilities one remote monitoring camera of a 3G data card thus.
According to this USB bridge that connects RJ45 network interface and USB Host mouth that above technical scheme proposes, adopt an end to realize being connected with computer remote by RJ45 Ethernet interface, the other end passes through USB
The Host interface drives the computer peripheral equipment of USB Device interface, can realize the online of many computer utilities one 3G data card by the 3G communication network, also creates conditions for many computer utility one printers and a shared remote camera simultaneously.For realizing computer, low cost provides technical support to the long-range connection of USB Device interface equipment by Ethernet.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 for the present invention in the real work network with many computer utility view;
Fig. 3 is the present invention's many computer utility printer modes schematic diagrames in the real work network;
Fig. 4 is the present invention's many computer utility camera view in the real work network.
Among the figure: 1-RJ45 Ethernet interface 2-bi-directional conversion CPU 3-USB Host interface 4-USB Device interface 6-router 7-computer 8-printer 9-remote camera
Embodiment
This connection RJ45 network interface as shown in Figure 1 and the USB bridge of USB Host mouth, it be to active computer and Ethernet net, with and attached peripheral hardware between carry out the inventive improvements of technical information wire transmission technology aspect.
The USB bridge of this connection RJ45 network interface and USB Host mouth, the one end has a RJ45Ethernet standard interface 1, can accept and send the packet that satisfies RJ45 Ethernet consensus standard, and can pass through being connected of this interface realization and router or Ethernet; Its other end has a USB Host standard interface 3, can accept and send the packet that satisfies USB Host consensus standard, and drives computer peripheral equipment work by this USB Device interface; Between RJ45 Ethernet standard interface 1 and USB Device interface 3, be provided with a bi-directional conversion CPU2 that can realize being connected by Ethernet-USB Host consensus standard.
Described USB bridge is by RJ45 Ethernet interface 1, to be sent to the protocol data bi-directional conversion CPU2 that constitutes by CPU through the packet that Ethernet is received, after being compiled into the packet that meets USB Host consensus standard, be connected with the 3G data card by USB Host interface 3 again.
This USB bridge work system as shown in Figure 2, an end of USB bridge connects a router 6 by the RJ45Ethernet1 interface, and by router 6 and multiple computers 7
1-nLink to each other, Ethernet is sent to packet the protocol data bi-directional conversion CPU2 that is made of CPU, after being compiled into the packet that meets USB Host consensus standard, USB Host interface 3 by the USB bridge other end links to each other with 3G data card 4 again, forms many computer utility network work systems sharing a 3G data card.
This USB bridge work system as shown in Figure 3, the end of USB bridge A links to each other with 3G data card 4 by USB Host interface 3, and passes through the RJ45 Ethernet interface and the multiple computers 7 of router 6 by RJ45Ethernet interface 1 connection one router 6, the other end
1-nLink to each other, and on another RJ45 Ethernet interface of this router 6, be provided with second and connect, constitute the network work system of many computer utilities one printer of a shared 3G data card thus with USB bridge B and the printer 8 that is connected with this bridge.
This USB bridge work system as shown in Figure 4, the end of USB bridge A links to each other with 3G data card 4 by USB Host interface 3, and passes through the RJ45 Ethernet interface and the multiple computers 7 of router 6 by RJ45Ethernet interface 1 connection one router 6, the other end
1-nLink to each other, and on another RJ45 Ethernet interface 1 of this router 6, be provided with second and connect with USB bridge B and the remote monitoring camera 9 that is connected with this bridge
1-n, formation is shared the network work system of many computer utilities one remote monitoring camera of a 3G data card 4 thus.
This connection RJ45 network interface that the present invention introduces and the USB bridge of USB Host mouth, its operation principle and function are as follows:
1, Ethernet is sent to packet the RJ45 Ethernet interface of USB bridge, after the CPU of USB bridge accepts the packet of RJ45 Ethernet consensus standard into by RJ45 Ethernet interface, after this datagram is compiled into the packet that meets USB Host consensus standard, send by USB Host interface again, and drive the computer peripheral equipment work of USB Device interface.
2, the computer peripheral equipment of USB Device interface is sent to packet the USB Host interface of USB bridge, the CPU of USB bridge receives after the packet of USB Host consensus standard into by USB Host interface, after this packet is compiled into the packet that meets the RJ45Ethernet consensus standard, send by RJ45 Ethernet interface again, and be sent to Ethernet.
3, the equipment of USB Device interface can be linked to Ethernet by the USB bridge.
4, Ethernet can be by the equipment of USB bridge control USB Device interface.
This network system in actual the use has following beneficial effect:
1, make the RJ45 Ethernet interface of network router be connected to the USB card of surfing Internet by the USB bridge Carry out network connection, realize that many computers share a USB card of surfing Internet;
2, make the USB camera by the USB bridge image is sent to Ethernet, be low cost The remote monitoring of taking the photograph a little provides technical support more;
3, making the USB that passes through usefulness print function and be connected to LAN by the USB bridge, both has been low-cost the realization Many computers are shared a printer provides technical support, has also save the expense that starts server simultaneously.
Claims (6)
1, a kind of USB bridge is characterized in that: it realizes that by RJ45 Ethernet standard interface (1), USBHost standard interface (3) and according to Ethernet-USB Host protocol data bi-directional conversion CPU (3) constitutes.
2, a kind of USB bridge as claimed in claim 1, it is characterized in that: the RJ45 Ethernet interface (1) of an end of this bridge for realizing being connected with computer remote, the other end is at least one the USB Host interface (3) that is connected with computer peripheral equipment, is the bi-directional conversion CPU (2) of Ethernet-USB Host consensus standard between two interfaces.
3, a kind of USB bridge as claimed in claim 1, it is characterized in that: the bi-directional conversion CPU of described USB bridge (2) is constituted by monolithic chip or multi-plate chip.
4, a kind of USB bridge as claimed in claim 1, it is characterized in that: an end of USB bridge connects a router by RJ45 Ethernet interface, and link to each other with multiple computers by router, Ethernet is sent to packet the protocol data bi-directional conversion CPU that is made of CPU, after being compiled into the packet that meets USB Host consensus standard, USB Host interface by the USB bridge one end other end links to each other with the 3G data card again, forms the multiple computers (7 of sharing a 3G data card (4)
1-n) the community network work system.
5, a kind of USB bridge as claimed in claim 1, it is characterized in that: an end of USB bridge (A) links to each other with 3G data card (4) by USB Host interface (3) by RJ45 Ethernet interface (1) connection one router (6), the other end, and by router (6) RJ45 Ethernet interface and multiple computers (7
1-n) link to each other, and on another RJ45 Ethernet interface of this router (6), be provided with second and connect with US bridge (B) and the printer (8) that is connected with this bridge, constitute the network work system of the shared printer of multiple computers of a shared 3G data card (4) thus.
6, a kind of USB bridge as claimed in claim 1, it is characterized in that: an end of USB bridge (A) connects a router (6), the other end by RJ45 Ethernet (1) interface and links to each other with 3G data card (4) by USB Host interface (3), and passes through the RJ45 Ethernet interface (1) and the multiple computers (7 of router (6)
1-n) link to each other, and on another RJ45 Ethernet interface of this router (6), be provided with second and connect with USB bridge (B) and the remote monitoring camera (9 that is connected with this bridge
1-n), formation is shared the network work system of the shared remote monitoring camera of multiple computers of a 3G data card thus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100572692A CN101557396A (en) | 2009-05-18 | 2009-05-18 | USB network bridge and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100572692A CN101557396A (en) | 2009-05-18 | 2009-05-18 | USB network bridge and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101557396A true CN101557396A (en) | 2009-10-14 |
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ID=41175341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100572692A Pending CN101557396A (en) | 2009-05-18 | 2009-05-18 | USB network bridge and use thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101557396A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597577A1 (en) * | 2011-11-25 | 2013-05-29 | Huawei Device Co., Ltd. | Ethernet base, network system, and data forwarding method |
| CN104081331A (en) * | 2012-02-03 | 2014-10-01 | 苹果公司 | Bridging non-network interfaces and network interfaces |
| CN112748892A (en) * | 2021-01-19 | 2021-05-04 | 上海茵罗智能科技有限公司 | USB-share development system |
-
2009
- 2009-05-18 CN CNA2009100572692A patent/CN101557396A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597577A1 (en) * | 2011-11-25 | 2013-05-29 | Huawei Device Co., Ltd. | Ethernet base, network system, and data forwarding method |
| WO2013075597A1 (en) * | 2011-11-25 | 2013-05-30 | 华为终端有限公司 | Ethernet base, network system and data forwarding method |
| JP2013115819A (en) * | 2011-11-25 | 2013-06-10 | ▲華▼▲為▼終端有限公司 | Ethernet base, network system and data forwarding method |
| US9049183B2 (en) | 2011-11-25 | 2015-06-02 | Huawei Device Co., Ltd. | Ethernet base, network system, and data forwarding method |
| CN104081331A (en) * | 2012-02-03 | 2014-10-01 | 苹果公司 | Bridging non-network interfaces and network interfaces |
| CN112748892A (en) * | 2021-01-19 | 2021-05-04 | 上海茵罗智能科技有限公司 | USB-share development system |
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Application publication date: 20091014 |