CN102571508A - Ethernet interconnection system based on coaxial cable technology and data transmission control method - Google Patents
Ethernet interconnection system based on coaxial cable technology and data transmission control method Download PDFInfo
- Publication number
- CN102571508A CN102571508A CN201010596391XA CN201010596391A CN102571508A CN 102571508 A CN102571508 A CN 102571508A CN 201010596391X A CN201010596391X A CN 201010596391XA CN 201010596391 A CN201010596391 A CN 201010596391A CN 102571508 A CN102571508 A CN 102571508A
- Authority
- CN
- China
- Prior art keywords
- coaxial cable
- ethernet
- unit
- analog signal
- ethernet module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to an Ethernet interconnection system based on coaxial cable technology and a data transmission control method. The Ethernet interconnection system comprises a head end device and a terminal device, wherein the head end device is provided with a radio frequency analog signal network access end; the terminal device is provided with an Ethernet access end; and the head end device is connected with the terminal device via a coaxial cable. The data transmission control method specifically comprises the following steps: after the radio frequency analog signal network access end receives an analog signal, the head end device sends the analog signal to the terminal device via the coaxial device, the terminal device converts the analog signal into a digital signal, and the digital signal is sent into the Ethernet access end. According to the Ethernet interconnection system based on coaxial cable technology, the coaxial cable Ethernet technology can be applied, so that the Ethernet interconnection system has the advantages of low cost and simple structure. The data transmission control method is simple and convenient to apply, the data transmission capability and data expansion capability are both strong, and the application of the Ethernet interconnection system based on coaxial cable technology and the data transmission control method is favorable for further popularizing and spreading the EOC (Ethernet Over Coax) technology.
Description
Technical field
The present invention relates to network equipment application, particularly coaxial cable Ethernet field specifically is meant a kind of Ethernet interconnected systems and data transfer control method based on the coaxial cable technology.
Background technology
The TV signal pattern of China just progressively shifts to digital signal from analog signal, cable TV network from monotropic transformation to two-way, thereby realize transformation from the simple function of network to triple play, the integration of three networks.The continuous development need cable TV network of the demand in market and New Television Technology realizes that the two-way user of the whole network inserts.And two-way user's access technology in the past can not adapt to the needs of striving unexpectedly of two-way user's access market and the two-way integrated service development of cable TV network like CMTS+Cable modem and FTTB+LAN technology.Therefore; Two-way access technology based on coaxial cable---EOC (Ethernet OverCoax; Coaxial cable loads Ethernet) technology be tending towards ripe, for the two-way user of cable TV network the whole network inserts and the benign development of two-way integrated service has brought new opportunity.
The EOC technology combines IP data and cable TV signal exactly, inserts with same cable and sends into the user.Neither influence the transmission of cable TV signal, have the two-way broad band Integrated service that exclusively enjoys to insert again, have good adaptability and networking access scheme flexibly.Simultaneously; It need not original cable TV network is carried out two-way construction transformation; Perhaps carry out the engineering that large-scale category-5 cable is applied to the family, difficulty, the whole network cover cost height and long problems of improvement project cycle to have overcome the construction of registering one's residence in the cable TV network bilateral network transformation process.Though the cutting point of various EOC technology research is slightly different with technical method, all can be applicable to the cable TV network field, through the coaxial cable transmission of data signals.
The shortcoming of the at present comparatively common equipment that is applied to the EOC technology is; Its function relies on master chip to realize fully, therefore can't satisfy relatively more complicated application such as network management, and autgmentability is not strong; And the structure of the head end device of EOC system and terminal installation is all comparatively complicated usually, and cost is higher.Cause the data transmission efficiency of the system that uses this kind equipment relatively poor thus, this is to the deleterious impact of applying of EOC technology.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art; Provide a kind of with low cost; Simple in structure, use easy, and transfer of data and extended capability all stronger based on the Ethernet interconnected systems of coaxial cable technology and realize the method for Data Transmission Controlling.
In order to realize above-mentioned purpose, the Ethernet interconnected systems based on the coaxial cable technology of the present invention has following formation:
Should comprise head end device and terminal installation based on the Ethernet interconnected systems of coaxial cable technology; Described head end device connects described terminal installation through coaxial cable; Described head end device has radio frequency analog signal network insertion end, and described terminal installation has the Ethernet incoming end.
Be somebody's turn to do in the Ethernet interconnected systems based on the coaxial cable technology; Described head end device comprises the first coaxial cable ethernet module, the second coaxial cable ethernet module and head end Ethernet interface unit; Described first coaxial cable ethernet module and the described second coaxial cable ethernet module interconnect, and described first coaxial cable ethernet module and the described second coaxial cable ethernet module all are connected in described head end Ethernet interface unit.
Be somebody's turn to do in the Ethernet interconnected systems based on the coaxial cable technology; The described first coaxial cable ethernet module and the second coaxial cable ethernet module include master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit; Described rf filtering unit connects described master chip unit through described signal coupling unit, signal transmitting and receiving unit in regular turn; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module interconnects; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module all is connected in described head end Ethernet interface unit, and described radio frequency analog signal network insertion end is arranged at the rf filtering unit of the described first coaxial cable ethernet module.
Be somebody's turn to do in the Ethernet interconnected systems based on the coaxial cable technology; Described terminal installation comprises master chip unit, terminal, terminal radio frequency filter unit, terminal signaling coupling unit and Ethernet interface unit, terminal; Described terminal radio frequency filter unit connects Ethernet interface unit, described terminal through described terminal signaling coupling unit, master chip unit, terminal in regular turn; Described terminal radio frequency filter unit comprises the terminal radio frequency interface; Described terminal radio frequency interface is connected in described head end device through described coaxial cable, and Ethernet interface unit, described terminal comprises at least one Ethernet interface.
The present invention also provides a kind of and utilizes described Ethernet interconnected systems based on the coaxial cable technology to realize the method for Data Transmission Controlling, and this method specifically may further comprise the steps:
(1) the radio frequency analog signal network insertion termination of described head end device is received analog signal;
(2) described head end device is sent to described terminal installation through described coaxial cable with analog signal;
(3) described terminal installation receives described analog signal;
(4) described terminal installation is a digital signal with described analog signal conversion;
(5) described terminal installation is sent to described digital signal the Ethernet incoming end of described terminal installation.
This realizes that described step (1) specifically is meant: the rf inputs of the rf filtering unit of the first coaxial cable ethernet module of described head end device receives analog signal in the method for Data Transmission Controlling.
This realizes that described step (2) specifically may further comprise the steps in the method for Data Transmission Controlling:
(21) the rf filtering unit of the described first coaxial cable ethernet module is sent to described analog signal the master chip unit of the described first coaxial cable ethernet module;
(22) the master chip unit of the described first coaxial cable ethernet module is a digital signal with described analog signal conversion;
(23) the master chip unit of the described first coaxial cable ethernet module is sent to described digital signal the master chip unit of the second coaxial cable ethernet module;
(24) the master chip unit of the described second coaxial cable ethernet module converts described digital signal into analog signal;
(25) the master chip unit of the described second coaxial cable ethernet module is sent to described analog signal the rf filtering unit of the described second coaxial cable ethernet module;
(26) the rf filtering unit of the described second coaxial cable ethernet module is sent to described terminal installation through described coaxial cable with analog signal.
This realizes that described step (3) specifically is meant: the terminal radio frequency interface of described terminal radio frequency filter unit receives described analog signal in the method for Data Transmission Controlling.
This realizes that described step (4) specifically may further comprise the steps in the method for Data Transmission Controlling:
(41) described terminal radio frequency filter unit is sent to master chip unit, described terminal with described analog signal;
(42) master chip unit, described terminal is a digital signal with described analog signal conversion.
This realizes that described step (5) specifically is meant: master chip unit, described terminal is sent to described digital signal the Ethernet incoming end of Ethernet interface unit, described terminal in the method for Data Transmission Controlling.
Adopted this invention based on the Ethernet interconnected systems of coaxial cable technology and realize the method for Data Transmission Controlling; Its Ethernet interconnected systems comprises head end device with radio frequency analog signal network insertion end and the terminal installation with Ethernet incoming end, and the head end device is through coaxial cable connecting terminal device.After described radio frequency analog signal network insertion termination was received analog signal, the head end device was sent to described terminal installation through coaxial cable with analog signal, and terminal installation is that digital signal is sent the Ethernet incoming end with analog signal conversion again.The application that Ethernet interconnected systems and the method that realizes Data Transmission Controlling based on coaxial cable technology of the present invention can realize the coaxial cable ethernet technology.Simultaneously; Ethernet interconnected systems based on the coaxial cable technology of the present invention is with low cost, simple in structure, and this method that realizes Data Transmission Controlling is used easy; And transfer of data and extended capability are all stronger, and application of the present invention helps further popularizing of EOC technology.
Description of drawings
Fig. 1 is the structural representation based on the technological Ethernet interconnected systems of coaxial cable of the present invention.
Fig. 2 is the structural representation based on the head end device in the Ethernet interconnected systems of coaxial cable technology of the present invention.
Fig. 3 is the structural representation based on the terminal installation in the Ethernet interconnected systems of coaxial cable technology of the present invention.
Fig. 4 is utilization of the present invention realizes the method for Data Transmission Controlling based on the Ethernet interconnected systems of coaxial cable technology a flow chart of steps.
Fig. 5 is sent to analog signal based on head end device in the method for the Ethernet interconnected systems realization Data Transmission Controlling of coaxial cable technology the concrete steps flow chart of terminal installation for utilization of the present invention.
To be utilization of the present invention realize that based on the Ethernet interconnected systems of coaxial cable technology terminal installation is with the concrete steps flow chart of analog signal conversion for digital signal in the method for Data Transmission Controlling to Fig. 6.
Embodiment
In order more to be expressly understood technology contents of the present invention, the special following examples of lifting specify.
See also shown in Figure 1ly, be the structural representation of the Ethernet interconnected systems based on the coaxial cable technology of the present invention.
In one embodiment of the invention; Should comprise head end device and terminal installation based on the Ethernet interconnected systems of coaxial cable technology; Described head end device connects described terminal installation through coaxial cable; Described head end device has radio frequency analog signal network insertion end, and described terminal installation has the Ethernet incoming end.
In this embodiment; As shown in Figure 2; Described head end device comprises the first coaxial cable ethernet module, the second coaxial cable ethernet module and head end Ethernet interface unit; Described first coaxial cable ethernet module and the described second coaxial cable ethernet module interconnect, and described first coaxial cable ethernet module and the described second coaxial cable ethernet module all are connected in described head end Ethernet interface unit.The described first coaxial cable ethernet module and the second coaxial cable ethernet module include master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit; Described rf filtering unit connects described master chip unit through described signal coupling unit, signal transmitting and receiving unit in regular turn; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module interconnects; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module all is connected in described head end Ethernet interface unit, and described radio frequency analog signal network insertion end is arranged at the rf filtering unit of the described first coaxial cable ethernet module.
In this embodiment; As shown in Figure 3; Described terminal installation comprises master chip unit, terminal, terminal radio frequency filter unit, terminal signaling coupling unit and Ethernet interface unit, terminal; Described terminal radio frequency filter unit connects Ethernet interface unit, described terminal through described terminal signaling coupling unit, master chip unit, terminal in regular turn; Described terminal radio frequency filter unit comprises the terminal radio frequency interface, and described terminal radio frequency interface is connected in described head end device through described coaxial cable, and Ethernet interface unit, described terminal comprises at least one Ethernet interface.
The present invention also provides a kind of and utilizes described Ethernet interconnected systems based on the coaxial cable technology to realize the method for Data Transmission Controlling.
In a kind of embodiment of this method, described method, as shown in Figure 4, specifically may further comprise the steps:
(1) the radio frequency analog signal network insertion termination of described head end device is received analog signal;
(2) described head end device is sent to described terminal installation through described coaxial cable with analog signal;
(3) described terminal installation receives described analog signal;
(4) described terminal installation is a digital signal with described analog signal conversion;
(5) described terminal installation is sent to described digital signal the Ethernet incoming end of described terminal installation.
Wherein, described step (1) specifically is meant: the rf inputs of the rf filtering unit of the first coaxial cable ethernet module of described head end device receives analog signal.Described step (3) specifically is meant: the terminal radio frequency interface of described terminal radio frequency filter unit receives described analog signal.Described step (5) specifically is meant: master chip unit, described terminal is sent to described digital signal the Ethernet incoming end of Ethernet interface unit, described terminal.
Realize that at this as shown in Figure 5, described step (2) specifically may further comprise the steps in a kind of preferred embodiment of method of Data Transmission Controlling:
(21) the rf filtering unit of the described first coaxial cable ethernet module is sent to described analog signal the master chip unit of the described first coaxial cable ethernet module;
(22) the master chip unit of the described first coaxial cable ethernet module is a digital signal with described analog signal conversion;
(23) the master chip unit of the described first coaxial cable ethernet module is sent to described digital signal the master chip unit of the second coaxial cable ethernet module;
(24) the master chip unit of the described second coaxial cable ethernet module converts described digital signal into analog signal;
(25) the master chip unit of the described second coaxial cable ethernet module is sent to described analog signal the rf filtering unit of the described second coaxial cable ethernet module;
(26) the rf filtering unit of the described second coaxial cable ethernet module is sent to described terminal installation through described coaxial cable with analog signal.
Realize that at this as shown in Figure 6, described step (4) specifically may further comprise the steps in another kind of preferred embodiment of method of Data Transmission Controlling:
(41) described terminal radio frequency filter unit is sent to master chip unit, described terminal with described analog signal;
(42) master chip unit, described terminal is a digital signal with described analog signal conversion.
In an application of the invention; Utilize the present invention to utilize the Ethernet interconnected systems based on the coaxial cable technology provided by the present invention; Can the analog signal that the head end device is obtained be sent to the master chip unit of the second coaxial cable ethernet module through the master chip unit of its first coaxial cable ethernet module; And be sent to terminal installation via the rf filtering unit of the second coaxial cable ethernet module; It is that digital signal sends to Ethernet interface with analog signal conversion that terminal installation is arranged again, thereby realizes the application of coaxial cable ethernet technology.
Adopted this invention based on the Ethernet interconnected systems of coaxial cable technology and realize the method for Data Transmission Controlling; Its Ethernet interconnected systems comprises head end device with radio frequency analog signal network insertion end and the terminal installation with Ethernet incoming end, and the head end device is through coaxial cable connecting terminal device.After described radio frequency analog signal network insertion termination was received analog signal, the head end device was sent to described terminal installation through coaxial cable with analog signal, and terminal installation is that digital signal is sent the Ethernet incoming end with analog signal conversion again.The application that Ethernet interconnected systems and the method that realizes Data Transmission Controlling based on coaxial cable technology of the present invention can realize the coaxial cable ethernet technology.Simultaneously; Ethernet interconnected systems based on the coaxial cable technology of the present invention is with low cost, simple in structure, and this method that realizes Data Transmission Controlling is used easy; And transfer of data and extended capability are all stronger, and application of the present invention helps further popularizing of EOC technology.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. Ethernet interconnected systems based on coaxial cable technology; It is characterized in that; Described Ethernet interconnected systems based on the coaxial cable technology comprises head end device and terminal installation; Described head end device connects described terminal installation through coaxial cable, and described head end device has radio frequency analog signal network insertion end, and described terminal installation has the Ethernet incoming end.
2. the Ethernet interconnected systems based on the coaxial cable technology according to claim 1; It is characterized in that; Described head end device comprises the first coaxial cable ethernet module, the second coaxial cable ethernet module and head end Ethernet interface unit; Described first coaxial cable ethernet module and the described second coaxial cable ethernet module interconnect, and described first coaxial cable ethernet module and the described second coaxial cable ethernet module all are connected in described head end Ethernet interface unit.
3. the Ethernet interconnected systems based on the coaxial cable technology according to claim 2; It is characterized in that; The described first coaxial cable ethernet module and the second coaxial cable ethernet module include master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit; Described rf filtering unit connects described master chip unit through described signal coupling unit, signal transmitting and receiving unit in regular turn; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module interconnects; The master chip unit of the described first coaxial cable ethernet module and the second coaxial cable ethernet module all is connected in described head end Ethernet interface unit, and described radio frequency analog signal network insertion end is arranged at the rf filtering unit of the described first coaxial cable ethernet module.
4. the Ethernet interconnected systems based on the coaxial cable technology according to claim 1; It is characterized in that; Described terminal installation comprises master chip unit, terminal, terminal radio frequency filter unit, terminal signaling coupling unit and Ethernet interface unit, terminal; Described terminal radio frequency filter unit connects Ethernet interface unit, described terminal through described terminal signaling coupling unit, master chip unit, terminal in regular turn; Described terminal radio frequency filter unit comprises the terminal radio frequency interface, and described terminal radio frequency interface is connected in described head end device through described coaxial cable, and Ethernet interface unit, described terminal comprises at least one Ethernet interface.
5. one kind is utilized the described method based on the technological Ethernet interconnected systems realization Data Transmission Controlling of coaxial cable of claim 1, it is characterized in that described method specifically may further comprise the steps:
(1) the radio frequency analog signal network insertion termination of described head end device is received analog signal;
(2) described head end device is sent to described terminal installation through described coaxial cable with analog signal;
(3) described terminal installation receives described analog signal;
(4) described terminal installation is a digital signal with described analog signal conversion;
(5) described terminal installation is sent to described digital signal the Ethernet incoming end of described terminal installation.
6. the method for realization Data Transmission Controlling according to claim 5 is characterized in that, described step (1) specifically is meant:
The rf inputs of the rf filtering unit of the first coaxial cable ethernet module of described head end device receives analog signal.
7. the method for realization Data Transmission Controlling according to claim 5 is characterized in that, described step (2) specifically may further comprise the steps:
(21) the rf filtering unit of the described first coaxial cable ethernet module is sent to described analog signal the master chip unit of the described first coaxial cable ethernet module;
(22) the master chip unit of the described first coaxial cable ethernet module is a digital signal with described analog signal conversion;
(23) the master chip unit of the described first coaxial cable ethernet module is sent to described digital signal the master chip unit of the second coaxial cable ethernet module;
(24) the master chip unit of the described second coaxial cable ethernet module converts described digital signal into analog signal;
(25) the master chip unit of the described second coaxial cable ethernet module is sent to described analog signal the rf filtering unit of the described second coaxial cable ethernet module;
(26) the rf filtering unit of the described second coaxial cable ethernet module is sent to described terminal installation through described coaxial cable with analog signal.
8. the method for realization Data Transmission Controlling according to claim 5 is characterized in that, described step (3) specifically is meant:
The terminal radio frequency interface of described terminal radio frequency filter unit receives described analog signal.
9. the method for realization Data Transmission Controlling according to claim 5 is characterized in that, described step (4) specifically may further comprise the steps:
(41) described terminal radio frequency filter unit is sent to master chip unit, described terminal with described analog signal;
(42) master chip unit, described terminal is a digital signal with described analog signal conversion.
10. the method for transfer of data according to claim 5 is characterized in that, described step (5) specifically is meant:
Master chip unit, described terminal is sent to described digital signal the Ethernet incoming end of Ethernet interface unit, described terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010596391XA CN102571508A (en) | 2010-12-20 | 2010-12-20 | Ethernet interconnection system based on coaxial cable technology and data transmission control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010596391XA CN102571508A (en) | 2010-12-20 | 2010-12-20 | Ethernet interconnection system based on coaxial cable technology and data transmission control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102571508A true CN102571508A (en) | 2012-07-11 |
Family
ID=46416028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010596391XA Pending CN102571508A (en) | 2010-12-20 | 2010-12-20 | Ethernet interconnection system based on coaxial cable technology and data transmission control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102571508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923676A (en) * | 2014-04-17 | 2014-07-16 | 沈阳海源干馏设备技术开发有限公司 | HY type dry distillation furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326273A (en) * | 2001-07-13 | 2001-12-12 | 清华大学 | Wiring access method of broadband multimedia services |
| CN201210727Y (en) * | 2008-04-25 | 2009-03-18 | 上海润欣科技有限公司 | CATV synthetic access system |
| CN101841444A (en) * | 2010-04-06 | 2010-09-22 | 福建金钱猫电子科技有限公司 | Device for realizing broadband access by utilizing coaxial cable |
-
2010
- 2010-12-20 CN CN201010596391XA patent/CN102571508A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326273A (en) * | 2001-07-13 | 2001-12-12 | 清华大学 | Wiring access method of broadband multimedia services |
| CN201210727Y (en) * | 2008-04-25 | 2009-03-18 | 上海润欣科技有限公司 | CATV synthetic access system |
| CN101841444A (en) * | 2010-04-06 | 2010-09-22 | 福建金钱猫电子科技有限公司 | Device for realizing broadband access by utilizing coaxial cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923676A (en) * | 2014-04-17 | 2014-07-16 | 沈阳海源干馏设备技术开发有限公司 | HY type dry distillation furnace |
| CN103923676B (en) * | 2014-04-17 | 2015-06-03 | 吴冠峰 | HY type dry distillation furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202918413U (en) | Signal transmission system based on coaxial cable | |
| CN102098558B (en) | Three-network convergence digital television (TV) set top box and implementation method thereof | |
| CN202004923U (en) | Three-network integrated multi-service optoelectronic integration network element | |
| CN102790709A (en) | Coaxial access network unit device with WIFI (wireless fidelity) | |
| CN101325650B (en) | Sound-video receiving equipment capable of being compatible (with) a plurality of access modes | |
| CN202353710U (en) | Power line video surveillance system | |
| CN102571508A (en) | Ethernet interconnection system based on coaxial cable technology and data transmission control method | |
| CN102571386B (en) | Upgrading method for EOC terminal equipment | |
| CN102694783A (en) | Tri-network integrated multi-service photoelectric integrated network element | |
| CN201928398U (en) | FEoC access system for two-way transformation of broadcasting and television network | |
| CN201629754U (en) | Network data receiving circuit and set top box with same | |
| CN102437940B (en) | Photoelectric conversion access device | |
| CN2529474Y (en) | Device for monitoring and managing two-way wired TV. network equipment | |
| CN202737864U (en) | Relay device suitable for point-to-multipoint broadband coaxial access | |
| CN201601672U (en) | Radio-frequency digital signal transmission system and radio-frequency digital signal access device | |
| CN102546315B (en) | Terminal equipment of Ethernet over coax | |
| CN203457169U (en) | Field card-inserting type three-in-one intelligent integrated optical node equipment | |
| CN102546316B (en) | Head-end equipment of Ethernet over coax | |
| CN201584992U (en) | Media player | |
| CN102546314A (en) | Data transmission method for Ethernet head end device of coaxial cable | |
| CN202738038U (en) | Digital television all-in-one machine | |
| CN201805438U (en) | Coaxial Ethernet user terminal access device based on HomePlug AV technology | |
| CN2696214Y (en) | Power line network card | |
| CN203193639U (en) | Three-network-convergence multi-service photoelectric integrated network element | |
| CN202818523U (en) | Digital set-top box provided with broadband coaxial multi-service access module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |