CN1254942C - Universal multi-media gateway - Google Patents
Universal multi-media gateway Download PDFInfo
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- CN1254942C CN1254942C CN 03120193 CN03120193A CN1254942C CN 1254942 C CN1254942 C CN 1254942C CN 03120193 CN03120193 CN 03120193 CN 03120193 A CN03120193 A CN 03120193A CN 1254942 C CN1254942 C CN 1254942C
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Abstract
The present invention relates to a universal multimedia gateway which comprises a multimedia processor, a first multimedia access control layer circuit, a switch component, a second multimedia access control layer circuit, a wireless sender and a physical layer circuit, wherein the multimedia processor is used for receiving a multimedia signal. The first multimedia access control layer circuit is coupled with the multimedia processor. The switch component is coupled with the first multimedia access control layer circuit. The second multimedia access control layer circuit is coupled with the switch component. The wireless sender is coupled with the second access control layer circuit. The physical layer circuit is coupled with the switch component and an outer ethernet. Different switching states are switched by the switch component, and can be respectively used as a wireless network bridge, a wireless multimedia sharer or a multimedia server.
Description
Technical field
The invention relates to a kind of universal multimedia gateway, and particularly relevant for a kind of a kind of universal multimedia gateway that has the function of wireless network bridge (Wireless LAN Access Point), radio multimedium Wireless Router (Wireless MediaSharing Device) and multimedia server (Media Server) simultaneously.
Background technology
Along with making rapid progress of the technology of internet and wireless telecommunications, at present general common data, services device (Data Service Device) or audio-visual service unit (Audio-Visual Service Device) can be divided into following several haply:
1. wireless network bridge (Wireless LAN Access Point).It is by a multimedia access control layer (Media Access Control Layer, MAC Layer) circuit, a physical layer (Physical Layer, PHYLayer) (Local Area Network, LAN) transmitter (Transmitter) is formed for a circuit and a WLAN.Physical layer circuit links to each other with the external ethernet network.After the processing of network package system that comes by the transmission of external ethernet network, convert wireless signal to and send electronic product to radio receiver via physical layer circuit, multimedia access control layer circuit and WLAN transmitter.See through wireless network bridge, the mode that electronic product can wireless telecommunications is connected to the external ethernet network.
2. radio multimedium Wireless Router (Wireless Media Sharing Device).It is made up of a multimedia processor (Media Processor) and a WLAN transmitter.Multimedia processor receives after the multi-media signal that a video-audio signal generator provided, and this multi-media signal will be by the mode of WLAN transmitter with wireless signal, near the electronic product with radio receiver sending to.For instance, the video-audio signal generator can be video disk player (Video Compact Disc Player, VCD Player) or multifunctional digital dish player (Digital Versatile Disc Player, or cable TV (Cable TV) system or frequency modulation broadcast system DVDPlayer).And the electronic product with radio receiver can be mobile computer or personal digital assistant (Personal Digital Assistant, PDA) or the like.If installed the radio multimedium Wireless Router, the user can freely move selecting desired environment in the user family, and sees through wireless telecommunications and enjoy the program of oneself being liked.
3. multimedia server (Media Server).It is made up of a multimedia processor, a multimedia access control layer circuit and a physical layer circuit.Multimedia processor receives after the multi-media signal that a video-audio signal generator provided, and this multi-media signal will be converted to the form output of network package by multimedia access control layer circuit and physical layer circuit.Anyly see through the electronic installation that wired (Wired) network is connected with multimedia server, all can receive this multi-media signal through cable network.
Yet, if when the user needs above-mentioned three kinds of service units simultaneously, must purchase this three simultaneously, just can meet required.So, how a kind of multimedia gateway of All-in-One is provided, reach above-mentioned three kinds of functions simultaneously, and escapable cost more has convenience concurrently, be the problem that manufacturer endeavours to solve.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of universal multimedia gateway exactly, only need two multimedia access control layer circuit and a physical layer circuit, can make multimedia gateway of the present invention can have the function of wireless network bridge, radio multimedium Wireless Router and multimedia server simultaneously.The present invention can reach the simplification circuit framework, to reduce the purpose of cost.
According to purpose of the present invention, a kind of universal multimedia gateway is proposed, comprise a multimedia processor, one first multimedia access control layer circuit, a switch module, one second multimedia access control layer circuit, a radio transmitters and a physical layer circuit.Multimedia processor system is in order to receive a multi-media signal.The first multimedia access control layer circuit and multimedia processor couple.The switch module and the first multimedia access control layer circuit couple.The second multimedia access control layer circuit and switch module couple.The radio transmitters and the second multimedia access control layer circuit couple.Physical layer circuit then is to couple with a switch module and an external ethernet network.Wherein, when switch module switches to one first switching state, the second multimedia access control layer circuit and physical layer circuit electric property coupling, make by the external ethernet network transmit and the package system that comes can processing via the physical layer circuit and the second multimedia access control layer circuit after, be sent to radio transmitters.When switch module switches to one second switching state, the first multimedia access control layer circuit and the second multimedia access control layer circuit electric property coupling, after making that multi-media signal system can the processing via the first multimedia access control layer circuit and the second multimedia access control layer circuit, be sent to radio transmitters.And when switch module switches to one the 3rd switching state, the first multimedia access control layer circuit and physical layer circuit electric property coupling, after making that multi-media signal system can the processing via the first multimedia access control layer circuit and physical layer circuit, be sent to the external ethernet network.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. is described in detail below:
Fig. 1 illustrates the calcspar according to a kind of universal multimedia gateway of one embodiment of the present invention;
It is the calcspar of the universal multimedia gateway of switch module when switching to one first switching state that Fig. 2 A illustrates;
It is the calcspar of the universal multimedia gateway of switch module when switching to one second switching state that Fig. 2 B illustrates;
It is the calcspar of the universal multimedia gateway of switch module when switching to one the 3rd switching state that Fig. 2 C illustrates.
The reference numerals explanation
100: the universal multimedia gateway
102: multimedia processor
104: the first multimedia access control layer circuit
106: switch module
108: the second multimedia access control layer circuit
110: radio transmitters
112: physical layer circuit
1,2,3: the path
N1: first contact
N2: second contact
N3: the 3rd contact
Embodiment
The characteristic of universal multimedia gateway of the present invention is, by using a switch module, two multimedia access control layer circuit and a physical layer circuit in the universal multimedia gateway are shared, and made multimedia gateway of the present invention can have the function of wireless network bridge, radio multimedium Wireless Router and multimedia server simultaneously.
Please refer to Fig. 1, it illustrates the calcspar according to a kind of universal multimedia gateway of one embodiment of the present invention.Universal multimedia gateway 100 of the present invention comprises a multimedia processor 102, one first multimedia access control layer circuit 104, a switch module 106, one second multimedia access control layer circuit 108, a radio transmitters 110 and a physical layer circuit 112.Multimedia processor 102 is in order to receive a multi-media signal.This multi-media signal comprises an audio signal Audio at least, a vision signal Video, a TV signal TV or a fm broadcast signal FM.The first multimedia access control layer circuit 104 couples with multimedia processor 102.The switch module 104 and the first multimedia access control layer circuit coupling 104 couple.The second multimedia access control layer circuit 108 couples with switch module 106.The radio transmitters 110 and the second multimedia access control layer circuit 108 couple.Physical layer circuit then is to couple with a switch module 106 and an external ethernet network 114.
Wherein, switch module 106 can be a programmable (Programmable) switch or a mechanical type (Mechanical) switch, has one first contact, one second contact and one the 3rd contact.And it has three kinds of switching states at least, any two the optionally conductings in making between these three contacts.Please refer to Fig. 2 A, it is shown to be the calcspar of the universal multimedia gateway of switch module when switching to one first switching state.When switch module 106 switched to first switching state, switch module 106 second contact n2 and the 3rd contact conducting n3 made the second multimedia access control layer circuit 108 and physical layer circuit 112 electric property couplings.At this moment, transmit and the network package system that comes can be along the path 1, after the processing via the physical layer circuit 112 and the second multimedia access control layer circuit 108, be sent to radio transmitters 110 by external ethernet network 114.
Please refer to Fig. 2 B, it is shown to be the calcspar of the universal multimedia gateway of switch module when switching to one second switching state.And when switch module 106 switched to second switching state, the first contact n1 of switch module 106 and the second contact n2 conducting made the first multimedia access control layer circuit 104 and the second multimedia access control layer circuit, 108 electric property couplings.At this moment, multi-media signal system can be along the path 2, after the processing via the first multimedia access control layer circuit 104 and the second multimedia access control layer circuit 108, is sent to radio transmitters 110.
Please refer to Fig. 2 C, it is shown to be the calcspar of the universal multimedia gateway of switch module when switching to one the 3rd switching state.And when switch module 106 switched to the 3rd switching state, first contact n1 of switch module 106 and the 3rd contact n3 conducting made win multimedia access control layer circuit 104 and physical layer circuit 112 electric property couplings.At this moment, multi-media signal system can be along the path 3, after the processing via the first multimedia access control layer circuit 104 and physical layer circuit 112, is sent to external ethernet network 114.
In addition, when radio transmitters 110 was implemented with a WLAN transmitter, universal multimedia gateway 100 of the present invention can reach the purpose of the function that has wireless network bridge, radio multimedium Wireless Router and multimedia server simultaneously.When switch module switches to first switching state, by external ethernet network 114 transmit and the network package system that comes can processing via the physical layer circuit 112 and the second multimedia access control layer circuit 108 after, be sent to the WLAN transmitter.So this moment, universal multimedia gateway 100 of the present invention promptly can be used as the wireless network bridge use.
And when switch module 106 switches to second switching state, multi-media signal system can processing via the first multimedia access control layer circuit 104 and the second multimedia access control layer circuit 108 after, be sent to the WLAN transmitter.So this moment, universal multimedia gateway 100 of the present invention promptly can be used as the use of radio multimedium Wireless Router.
And when switch module 106 switches to one the 3rd switching state, multi-media signal system can processing via the first multimedia access control layer circuit 104 and physical layer circuit 112 after, be sent to external ethernet network 114.So this moment, universal multimedia gateway 100 of the present invention promptly can be used as the multimedia server use.
The disclosed universal multimedia gateway of the above embodiment of the present invention, only need two multimedia access control layer circuit and a physical layer circuit, can make multimedia gateway of the present invention can have the function of wireless network bridge, radio multimedium Wireless Router and multimedia server simultaneously.Two the multimedia access control layer circuit, two physical layer circuits, two multimedia processors and two the WLAN transmitters that need of being total to are compared during with traditional independent enforcement wireless network bridge, radio multimedium Wireless Router and multimedia server, the present invention can reach the simplification circuit framework really, reduces the purpose of cost.
In sum; though the present invention with a preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing various changes and modification, so protection scope of the present invention defines and is as the criterion when looking the accompanying Claim book.
Claims (4)
1. universal multimedia gateway comprises:
One multimedia processor is in order to receive a multi-media signal;
One first multimedia access control layer circuit couples with this multimedia processor;
One switch module has one first contact, one second contact and one the 3rd contact, and any two the optionally conductings between these three contacts, and this first contact and this first multimedia access control layer circuit couple;
One second multimedia access control layer circuit couples with this second contact of this switch module;
One radio transmitters couples with this second multimedia access control layer circuit;
One physical layer circuit couples with the 3rd contact of this switch module, and this physical layer circuit can couple with an external network;
Wherein, when this switch module switches to one first switching state, this second contact and the 3rd contact conducting, make this second multimedia access control layer circuit and this physical layer circuit electric property coupling, make by this external network transmit and the grouping that comes can processing via this physical layer circuit and this second multimedia access control layer circuit after, be sent to this radio transmitters;
When this switch module switches to one second switching state, this first contact and this second contact conducting, make this first multimedia access control layer circuit and this second multimedia access control layer circuit electric property coupling, after making that this multi-media signal can the processing via this first multimedia access control layer circuit and this second multimedia access control layer circuit, be sent to this radio transmitters;
When this switch module switches to one the 3rd switching state, this first contact and the 3rd contact conducting, make this first multimedia access control layer circuit and this physical layer circuit electric property coupling, after making that this multi-media signal can the processing via this first multimedia access control layer circuit and this physical layer circuit, be sent to this external network.
2. universal multimedia gateway as claimed in claim 1, wherein this multi-media signal comprises an audio signal at least, a vision signal, a TV signal or a fm broadcast signal.
3. universal multimedia gateway as claimed in claim 1, wherein this radio transmitters is a WLAN transmitter.
4. universal multimedia gateway as claimed in claim 1, wherein this switch module is a programmable (Programmable) switch or a mechanical type (Mechanical) switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03120193 CN1254942C (en) | 2003-03-12 | 2003-03-12 | Universal multi-media gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03120193 CN1254942C (en) | 2003-03-12 | 2003-03-12 | Universal multi-media gateway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1531291A CN1531291A (en) | 2004-09-22 |
| CN1254942C true CN1254942C (en) | 2006-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03120193 Expired - Fee Related CN1254942C (en) | 2003-03-12 | 2003-03-12 | Universal multi-media gateway |
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| Country | Link |
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| CN (1) | CN1254942C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901440B1 (en) * | 2006-05-19 | 2008-11-21 | Schneider Electric Ind Sas | COMMUNICATION GATEWAY BETWEEN WIRELESS COMMUNICATION NETWORKS |
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2003
- 2003-03-12 CN CN 03120193 patent/CN1254942C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1531291A (en) | 2004-09-22 |
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