CN103384323A - Signal stack transmission system - Google Patents
Signal stack transmission system Download PDFInfo
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- CN103384323A CN103384323A CN2012101358645A CN201210135864A CN103384323A CN 103384323 A CN103384323 A CN 103384323A CN 2012101358645 A CN2012101358645 A CN 2012101358645A CN 201210135864 A CN201210135864 A CN 201210135864A CN 103384323 A CN103384323 A CN 103384323A
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Abstract
The invention provides a signal stack transmission system which comprises a first signal receiving mechanism, a second signal receiving mechanism, a signal encoding mechanism, at least one signal decoding mechanism and at least one multi-way switch mechanism. The first signal receiving mechanism and the second signal receiving mechanism are respectively used for receiving satellite signals and digital/analog signals, the signal encoding mechanism is respectively connected with the first signal receiving mechanism and the second signal receiving mechanism, the signal decoding mechanism is connected with the signal encoding mechanism, and the multi-way switch mechanism is connected with the signal decoding mechanism. Thus, signals of the first signal receiving mechanism and signals of the second signal receiving mechanism can be divided into two different-frequency bandwidths to be input into the signal encoding mechanism, then the frequency of the signals are increased, the signals are stacked to be transmitted, the signals are transmitted to the signal decoding mechanism through optical fibers and a separator, the signal decoding mechanism can remove stack and decrease frequency to demodulate middle-frequency signals, and the signals of the first signal receiving mechanism and the signals of the second signal receiving mechanism are output. Thus, the effects of transmitting different signals effectively, quickly and stably are achieved.
Description
Technical field
The present invention system relates to the stacking transmission system of a kind of signal, and utilizes the optical fiber transmission to reduce the wastage, and relates in particular to the effect that finger can reach effectively, reach fast the different signals of stable transfer.
Background technology
The start principle that general satellite antenna receives satellite television is to utilize satellite antenna to collect faint satellite signals, and these satellite signals are reflexed to device at lnb (the low noise block down converter at disc-shaped antenna (dish) focus place; LNB), with lnb, this signal of concentrating is amplified again afterwards, and radio frequency (RF) frequency is down to intermediate frequency (the Intermediate Frequency of 1GHz to 2GHz left and right; IF), then be sent to indoor variable connector (as: hub, receiver or top box of digital machine) via cable, and after the amplification demodulation is recovered to signal originally (as: image and sound source signal), can transfer to the broadcast that line correlation program is looked enterprising in transmission of electricity.
Yet with present reception satellite variable connector, it is not stacking with other digital signals and transmit by optical fiber, and it is combined.Therefore, when if the multi-user need to receive digital signal and satellite signals, must by one independently system process respectively satellite signals and digital signal, and then make these satellite signals and digital signal, after carrying out the transmission of multichannel wired cable with parallel mode, then carry out respectively the processing of next code, modulation, decoding, demodulation; So, the installation inconvenience of wire cable line and wire cable line length be apart from the signal loss, and have when causing signal transmission speed relatively poor effectively and the unsettled situation of signal occur.
Summary of the invention
because the shortcoming of above-mentioned known signal transmission system, it does not reach perfection inventor's thoughts, then exhausting the concentrated research of its intelligence overcomes, be engaged in this industry accumulating experience for many years with it, and then develop the stacking transmission system of a kind of signal, to can be with the signal of first and second signal receiver structure, the bandwidth that is divided into two different frequencies inputs to signal coding mechanism, and via raising frequency and stacking after transfer to the signal decoding mechanism by optical fiber and separator, allow the signal decoding mechanism demodulate intermediate frequency signal, and export the signal of first and second signal receiver structure by separating stacking and frequency reducing, and reach effective, reach fast the effect of the different signals of stable transfer.
For reaching above-mentioned purpose, it includes the stacking transmission system of signal of the present invention: first and second signal receiver structure that receives respectively satellite signals and digital-to-analog signal; One signal coding mechanism, it includes stackable unit that raising frequency unit, that first and second input unit, that connects respectively first and second signal receiver structure connects the first input unit connects raising frequency unit and the second input unit, reach an electricity/optical conversion element that is connected stackable unit; At least one signal coding mechanism connects the signal decoding mechanism of optical fiber and separator, and it includes a light that is connected with electricity/optical conversion element/electric converting unit, a solution stackable unit that is connected with light/electric converting unit, a frequency reducing unit that is connected with the solution stackable unit, first output unit that is connected with the frequency reducing unit, reaches second output unit that is connected with the solution stackable unit; And at least one volume variable connector mechanism of being connected with first and second output unit.
Description of drawings
Fig. 1 is basic framework schematic diagram of the present invention.
Fig. 2 is that the present invention uses view.
Fig. 3 is the use view of signal coding of the present invention mechanism.
Fig. 4 is the use view of signal decoding mechanism of the present invention.
Description of reference numerals:
1 first signal receiver structure 2 second signal receiver structures
3 signal coding mechanisms
31 first input unit 32 second input units
33 raising frequency unit 331 same multiplexers
332 mixer 333 oscillators
34 stackable unit
35 electricity/optical conversion element
351 optical fiber splice 352 power connections
4 signal decoding mechanism 41 light/electric converting units
411 optical fiber splice 412 power connections
413 optical fiber
42 separate stackable unit
43 frequency reducing unit
431 with multiplexer 432 mixers
433 oscillators
44 first output unit 45 second output units
5 variable connector mechanism 6 separators
7 TVs
Embodiment
In order to fully understand content of the present invention, now by reference to the accompanying drawings preferred embodiment of the present invention is elaborated.
As Fig. 1 to Fig. 4, be respectively basic framework schematic diagram of the present invention, the present invention and use the use view of view, signal coding of the present invention mechanism and the use view of signal decoding mechanism of the present invention.As shown in the figure: the stacking transmission system of signal of the present invention include at least one first signal receiver structure 1, one second signal receiver structure 2, a signal coding mechanism 3, optical fiber 413 and at least one signal decoding mechanism 4 of separator 6 and at least one variable connector mechanism 5 consist of.
Aforementioned the first signal receiver structure 1 can be satellite antenna, can receive satellite signals.This second signal receiver structure 2 can be the input of digital-to-analog signal.
This signal coding mechanism 3 includes the first input unit 31 of being connected with the first signal receiver structure 1, second input unit 32 that is connected with the second signal receiver structure 2, connects the first input unit 31 raising frequency unit 33, one connect raising frequency unit 33 and the second input unit 32 stackable unit 34, reach an electricity/optical conversion element 35 that is connected stackable unit 34, wherein this raising frequency unit 33 includes at least with multiplexer 331, mixer 332 and oscillator 333, and should be respectively equipped with optical fiber splice 351 and power connection 352 by electricity/optical conversion element 35.
this signal decoding mechanism 4 is connected with signal coding mechanism 3, it includes a light that is connected with electricity/optical conversion element 35/electric converting unit 41, one with solution stackable unit 42 that light/electric converting unit 41 is connected, one with the frequency reducing unit 43 of separating that stackable unit 42 is connected, one the first output unit 44 that is connected with frequency reducing unit 43, reach second output unit 45 that is connected with solution stackable unit 42, wherein this light/electric converting unit 41 is respectively equipped with optical fiber splice 411 and power connection 412, and this optical fiber splice 411 interconnects with the optical fiber splice 351 of optical fiber 413 with electricity/optical conversion element 35, another this frequency reducing unit 43 includes at least with multiplexer 431, mixer 432 and oscillator 433.
This variable connector mechanism 5 is connected with first and second output unit 44,45.
As the present invention when using, can be a plurality of signal decoding mechanisms 4 coordinate separators 6 and optical fiber 413 to be connected with signal coding mechanism 3, and utilize each variable connector mechanism 5 to be connected with a plurality of TVs 7, and make the power connection 352,412 of signal coding mechanism 3 and signal decoding mechanism 4 be connected (not shown) with external power respectively, provide respectively thus signal coding mechanism 3 electric power required with signal decoding mechanism 4, and the external power that each power connection 352,412 connects can be direct current.
and when using, this first and second signal receiver structure 1, 2 signal is divided into the bandwidth of two different frequencies, and input to respectively signal coding mechanism 3 by the first input unit 31 and the second input unit 32, at this moment, just can utilize the same multiplexer 331 in this raising frequency unit 33, mixer 332 and oscillator 333 cooperatively interact and carry out raising frequency, with stackable unit 34, that the different frequency signal after raising frequency is in addition stacking more afterwards, and make first and second signal receiver structure 1, 2 signal via raising frequency and stacking after, undertaken coordinating optical fiber 413 by optical fiber splice 351 after action that electricity turns light and transferred in the light of signal decoding mechanism 4/electric converting unit 41 by optical fiber splice 411 by electricity/optical conversion element 35, allow light/electric converting unit 41 that the modulation signal is demodulated intermediate frequency signal, again with the same multiplexer 431 of separating stackable unit 42 and frequency reducing unit 43, mixer 432 and oscillator 433 reduce first and second signal receiver structure 1 by the mode of separating stacking and frequency reducing, 2 signal, and then those signals are exported in variable connector mechanism 5 by the first output unit 44 and the second output unit 45, at last again with each variable connector mechanism 5 with first and second signal receiver structure 1, 2 signal is sent to each TV 7 and carries out the broadcast of related signal.
The present invention relates to the stacking transmission system of a kind of signal, can be with the signal of first and second signal receiver structure, the bandwidth that is divided into two different frequencies inputs to signal coding mechanism, and via raising frequency and stacking after transfer to the signal decoding mechanism, allow the signal decoding mechanism demodulate intermediate frequency signal, and by separating stacking and the signal of first and second signal receiver structure is exported in frequency reducing, and reach the effect that reaches effectively, fast the different signals of stable transfer; With regard to the utilizability on industry, the product that utilizes the present invention to derive is when can fully satisfying the existing market demand.
The above embodiment only is used for technological thought of the present invention and characteristics are described, its objective is to make those skilled in the art can understand content of the present invention and implement according to this, but should not limit with this scope of patent of the present invention.One of ordinary skill in the art are not within breaking away from the spirit and scope of the present invention, and above-described embodiment carries out equivalent variations and improvement relatively, all should belong to the technical scope that the present invention protects.
Claims (7)
1. the stacking transmission system of signal, is characterized in that, comprises:
A first signal receiver structure receives satellite signals;
A second signal receiver structure receives the digital-to-analog signal;
A signal coding mechanism includes stackable unit that raising frequency unit that the first input unit of being connected with the first signal receiver structure, second input unit that is connected with the second signal receiver structure, one connect the first input unit, one connect raising frequency unit and the second input unit, reaches an electricity/optical conversion element that is connected stackable unit;
At least one signal decoding mechanism, mechanism is connected with signal coding, and it includes a light that is connected with electricity/optical conversion element/electric converting unit, solution stackable unit that is connected with light/electric converting unit, one and separates the first output unit that frequency reducing unit that stackable unit is connected, one be connected with the frequency reducing unit, reaches second output unit that is connected with the solution stackable unit; And
At least one variable connector mechanism is connected with first and second output unit.
2. the stacking transmission system of signal according to claim 1, is characterized in that, this first signal receiver structure can be satellite antenna.
3. the stacking transmission system of signal according to claim 1, is characterized in that, this second signal receiver structure can be the digital simulation signal.
4. the stacking transmission system of signal according to claim 1, is characterized in that, this raising frequency unit includes same multiplexer, mixer and oscillator at least.
5. the stacking transmission system of signal according to claim 1, it is characterized in that, this electricity/optical conversion element and light/electric converting unit is respectively equipped with optical fiber splice and power connection, and each optical fiber splice interconnects with optical fiber, and each power connection is connected with external power respectively, provides respectively signal coding mechanism and signal decoding mechanism required electric power.
6. the stacking transmission system of signal according to claim 1, is characterized in that, this each signal decoding mechanism coordinates separator and optical fiber to be connected with signal coding mechanism.
7. the stacking transmission system of signal according to claim 1, is characterized in that, this frequency reducing unit includes same multiplexer, mixer and oscillator at least.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101358645A CN103384323A (en) | 2012-05-04 | 2012-05-04 | Signal stack transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101358645A CN103384323A (en) | 2012-05-04 | 2012-05-04 | Signal stack transmission system |
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| CN103384323A true CN103384323A (en) | 2013-11-06 |
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| CN2012101358645A Pending CN103384323A (en) | 2012-05-04 | 2012-05-04 | Signal stack transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160863A (en) * | 2015-01-13 | 2016-11-23 | 系通科技股份有限公司 | Optical fiber communication device and optical fiber communication system |
Citations (5)
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| CN2162060Y (en) * | 1993-06-22 | 1994-04-13 | 台扬科技股份有限公司 | Single cable transmmiting multiple signal frenquency reducer |
| CN1265250A (en) * | 1997-01-07 | 2000-08-30 | 福克斯康姆有限公司 | Satellite distributed television |
| WO2006009197A1 (en) * | 2004-07-22 | 2006-01-26 | Nippon Telegraph And Telephone Corporation | Optical signal transmission apparatus, system and method |
| CN101902607A (en) * | 2009-06-01 | 2010-12-01 | 新京华电讯行 | All-around high-analytic signal processing device and signal processing method |
| CN101931794A (en) * | 2009-06-25 | 2010-12-29 | 启碁科技股份有限公司 | Band switching circuit and relative satellite television system thereof |
-
2012
- 2012-05-04 CN CN2012101358645A patent/CN103384323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162060Y (en) * | 1993-06-22 | 1994-04-13 | 台扬科技股份有限公司 | Single cable transmmiting multiple signal frenquency reducer |
| CN1265250A (en) * | 1997-01-07 | 2000-08-30 | 福克斯康姆有限公司 | Satellite distributed television |
| WO2006009197A1 (en) * | 2004-07-22 | 2006-01-26 | Nippon Telegraph And Telephone Corporation | Optical signal transmission apparatus, system and method |
| CN101902607A (en) * | 2009-06-01 | 2010-12-01 | 新京华电讯行 | All-around high-analytic signal processing device and signal processing method |
| CN101931794A (en) * | 2009-06-25 | 2010-12-29 | 启碁科技股份有限公司 | Band switching circuit and relative satellite television system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160863A (en) * | 2015-01-13 | 2016-11-23 | 系通科技股份有限公司 | Optical fiber communication device and optical fiber communication system |
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Application publication date: 20131106 |