CN102457697A - Device for passively transmitting IPTV (Internet Protocol Television) signal in coaxial cable - Google Patents
Device for passively transmitting IPTV (Internet Protocol Television) signal in coaxial cable Download PDFInfo
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- CN102457697A CN102457697A CN2010105212499A CN201010521249A CN102457697A CN 102457697 A CN102457697 A CN 102457697A CN 2010105212499 A CN2010105212499 A CN 2010105212499A CN 201010521249 A CN201010521249 A CN 201010521249A CN 102457697 A CN102457697 A CN 102457697A
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- iptv
- coaxial cable
- signal
- netting twine
- transformer
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Abstract
The invention provides a device for passively transmitting an IPTV (Internet Protocol Television) signal in a coaxial cable and relates to the technical field of signal transmission. The technical problem of inconvenience in indoor wiring is solved. The device comprises an IPTV modem, an IPTV STB (Set Top Box), a 100M multiplexer, a 100M separator and a television playing terminal, wherein an IPTV signal input end of the IPTV modem is connected to an IPTV signal source; a television signal output end of the IPTV STB is connected to the television playing terminal; a modulated signal output end of the IPTV modem is connected to a network cable signal input end of the 100M multiplexer through a network cable; a coaxial cable signal output end of the 100M multiplexer is connected to a coaxial cable signal input end of the 100M separator through the coaxial cable; and a network cable signal output end of the 100M separator is connected to the network cable signal input end of the IPTV STB through the network cable. The device provided by the invention can utilize an original indoor coaxial cable to transmit the IPTV signal.
Description
Technical field
The present invention relates to signal transmission technology, particularly relate to a kind of in coaxial cable the technology of the device of passive transmission IPTV signal.
Background technology
IPTV is an IPTV, is a kind of broadband cabled television network that utilizes, and integrates multiple technologies such as the Internet, multimedia, communication, and the brand-new technology of the multiple interactive services that comprises DTV is provided to the domestic consumer.
After the IPTV signal arrives the IPTV STB through the IPTV modulator-demodulator; Television set can receiving set up box the TV signal of output play-over; But because the IPTV modulator-demodulator is connected through netting twine with the IPTV STB; And a lot of domestic consumers usually only pre-buried coaxial cable of transmitting television signals when decorating house is arranged, therefore most domestic consumer needs rewiring when inserting IPTV, can cause harmful effect to indoor original finishing.
Summary of the invention
To the defective that exists in the above-mentioned prior art; Technical problem to be solved by this invention provides a kind ofly can utilize indoor original coaxial cable transmission IPTV signal, effectively avoid to indoor original finishing cause dysgenic in coaxial cable the device of passive transmission IPTV signal.
In order to solve the problems of the technologies described above; Provided by the present invention a kind of in coaxial cable the device of passive transmission IPTV signal; Comprise IPTV modulator-demodulator, IPTV STB and the terminal of televising; The IPTV signal input part of said IPTV modulator-demodulator connects the IPTV signal source, and the TV signal output end of said IPTV STB is connected to the terminal of televising; It is characterized in that: also comprising one, to be used for the netting twine conversion of signals be 100,000,000 multiplexers of coaxial cable signal, and one is used for the coaxial cable conversion of signals is 100,000,000 separators of netting twine signal;
The restituted signal output of said IPTV modulator-demodulator is connected to the netting twine signal input part of 100,000,000 multiplexers through netting twine;
The coaxial cable signal output part of said 100,000,000 multiplexers is connected to the coaxial cable signal input part of 100,000,000 separators through coaxial cable;
The netting twine signal output part of said 100,000,000 separators is connected to the netting twine signal input part of IPTV STB through netting twine.
Further, said 100,000,000 multiplexers comprise two transformers, a netting twine connector, a coaxial cable connector, and said two transformers are respectively first transformer and second transformer;
The winding two ends, former limit of said first transformer connect two transmission pin of netting twine connector respectively; The secondary winding of first transformer has three exits; Be respectively first exit, second exit, three terminal; Wherein first, second exit is drawn from the two ends of secondary winding, and three terminal is drawn from the centre of secondary winding;
The winding two ends, former limit of said second transformer connect two reception pin of netting twine connector respectively, and the two ends of its secondary winding connect second, third exit of first transformer respectively;
Said coaxial cable connector connects first exit of the secondary winding of first transformer;
The structure of said 100,000,000 separators is identical with the structure of 100,000,000 multiplexers.
Provided by the invention in coaxial cable the device of passive transmission IPTV signal; Send 100,000,000 separators to through coaxial cable after utilizing 100,000,000 multiplexers to convert the restituted signal of IPTV modulator-demodulator into the coaxial cable signal; Utilize 100,000,000 separators to send the coaxial cable conversion of signals to the IPTV STB for the netting twine signal again; The coaxial cable that wherein connects 100,000,000 separators and 100,000,000 multiplexers can utilize indoor original coaxial cable; Thereby avoid rewiring, effectively avoid indoor original finishing is caused harmful effect.
Description of drawings
Fig. 1 is the structured flowchart of the device of passive transmission IPTV signal in coaxial cable of the embodiment of the invention;
Fig. 2 is the circuit diagram of 100,000,000 multiplexers in the device of passive transmission IPTV signal in coaxial cable of the embodiment of the invention.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1; The embodiment of the invention provided a kind of in coaxial cable the device of passive transmission IPTV signal; Comprise IPTV modulator-demodulator, IPTV STB and the terminal of televising; The IPTV signal input part of said IPTV modulator-demodulator connects the IPTV signal source, and the TV signal output end of said IPTV STB is connected to the terminal of televising; It is characterized in that: also comprising one, to be used for the netting twine conversion of signals be 100,000,000 multiplexers of coaxial cable signal, and one is used for the coaxial cable conversion of signals is 100,000,000 separators of netting twine signal;
The restituted signal output of said IPTV modulator-demodulator is connected to the netting twine signal input part of 100,000,000 multiplexers through netting twine (category-5 cable);
The coaxial cable signal output part of said 100,000,000 multiplexers is connected to the coaxial cable signal input part of 100,000,000 separators through coaxial cable;
The netting twine signal output part of said 100,000,000 separators is connected to the netting twine signal input part of IPTV STB through netting twine (category-5 cable).
As shown in Figure 2, in the embodiment of the invention, said 100,000,000 multiplexers comprise two transformers, a netting twine connector J1, a coaxial cable connector J2, and said two transformers are respectively the first transformer B1 and the second transformer B2;
The winding two ends, former limit of the said first transformer B1 connect two transmission pin of netting twine connector J1 respectively; The secondary winding of the first transformer B1 has three exits; Be respectively first exit, second exit, three terminal; Wherein first, second exit is drawn from the two ends of secondary winding, and three terminal is drawn from the centre of secondary winding;
The winding two ends, former limit of the said second transformer B2 connect two reception pin of netting twine connector J1 respectively, and the two ends of its secondary winding connect second, third exit of first transformer respectively;
Said coaxial cable connector J2 connects first exit of the secondary winding of the first transformer B2;
The structure of said 100,000,000 separators is identical with the structure of 100,000,000 multiplexers.
The principle of the embodiment of the invention passive transmission IPTV signal in coaxial cable is following:
The IPTV signal is transported to 100,000,000 multiplexers after being demodulated into the netting twine signal through the IPTV modulator-demodulator; The netting twine conversion of signals that 100,000,000 multiplexers are sent the IPTV modulator-demodulator here is to transport to 100,000,000 separators through coaxial cable behind the coaxial cable signal; Be to deliver to the IPTV STB behind the netting twine signal by 100,000,000 separators with the coaxial cable conversion of signals again, output to the terminal plays of televising after converting TV signal into by the IPTV STB at last.
Claims (2)
1. the device of a passive transmission IPTV signal in coaxial cable; Comprise IPTV modulator-demodulator, IPTV STB and the terminal of televising; The IPTV signal input part of said IPTV modulator-demodulator connects the IPTV signal source, and the TV signal output end of said IPTV STB is connected to the terminal of televising; It is characterized in that: also comprising one, to be used for the netting twine conversion of signals be 100,000,000 multiplexers of coaxial cable signal, and one is used for the coaxial cable conversion of signals is 100,000,000 separators of netting twine signal;
The restituted signal output of said IPTV modulator-demodulator is connected to the netting twine signal input part of 100,000,000 multiplexers through netting twine;
The coaxial cable signal output part of said 100,000,000 multiplexers is connected to the coaxial cable signal input part of 100,000,000 separators through coaxial cable;
The netting twine signal output part of said 100,000,000 separators is connected to the netting twine signal input part of IPTV STB through netting twine.
2. device according to claim 1 is characterized in that: said 100,000,000 multiplexers comprise two transformers, a netting twine connector, a coaxial cable connector, and said two transformers are respectively first transformer and second transformer;
The winding two ends, former limit of said first transformer connect two transmission pin of netting twine connector respectively; The secondary winding of first transformer has three exits; Be respectively first exit, second exit, three terminal; Wherein first, second exit is drawn from the two ends of secondary winding, and three terminal is drawn from the centre of secondary winding;
The winding two ends, former limit of said second transformer connect two reception pin of netting twine connector respectively, and the two ends of its secondary winding connect second, third exit of first transformer respectively;
Said coaxial cable connector connects first exit of the secondary winding of first transformer;
The structure of said 100,000,000 separators is identical with the structure of 100,000,000 multiplexers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105212499A CN102457697A (en) | 2010-10-27 | 2010-10-27 | Device for passively transmitting IPTV (Internet Protocol Television) signal in coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105212499A CN102457697A (en) | 2010-10-27 | 2010-10-27 | Device for passively transmitting IPTV (Internet Protocol Television) signal in coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102457697A true CN102457697A (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105212499A Pending CN102457697A (en) | 2010-10-27 | 2010-10-27 | Device for passively transmitting IPTV (Internet Protocol Television) signal in coaxial cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN102457697A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6427237B1 (en) * | 1998-09-15 | 2002-07-30 | Avaya Technology Corp. | Network for distributing multimedia signals over a primary signal distribution path |
| CN2882129Y (en) * | 2006-02-22 | 2007-03-21 | 上海傲蓝通信技术有限公司 | Signal multiplex and demultiplex device |
| CN2882154Y (en) * | 2006-02-22 | 2007-03-21 | 上海傲蓝通信技术有限公司 | Coaxial mixed whole service access and transmission device |
| CN101175052A (en) * | 2006-11-02 | 2008-05-07 | 北京汉辰科技有限公司 | Broadband IP cable edge gateway |
-
2010
- 2010-10-27 CN CN2010105212499A patent/CN102457697A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6427237B1 (en) * | 1998-09-15 | 2002-07-30 | Avaya Technology Corp. | Network for distributing multimedia signals over a primary signal distribution path |
| CN2882129Y (en) * | 2006-02-22 | 2007-03-21 | 上海傲蓝通信技术有限公司 | Signal multiplex and demultiplex device |
| CN2882154Y (en) * | 2006-02-22 | 2007-03-21 | 上海傲蓝通信技术有限公司 | Coaxial mixed whole service access and transmission device |
| CN101175052A (en) * | 2006-11-02 | 2008-05-07 | 北京汉辰科技有限公司 | Broadband IP cable edge gateway |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |