CN208369759U - In conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal - Google Patents
In conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal Download PDFInfo
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- CN208369759U CN208369759U CN201820652755.3U CN201820652755U CN208369759U CN 208369759 U CN208369759 U CN 208369759U CN 201820652755 U CN201820652755 U CN 201820652755U CN 208369759 U CN208369759 U CN 208369759U
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- 239000000835 fiber Substances 0.000 claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 21
- 230000003321 amplification Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000010287 polarization Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a kind of combination satellite and the fibre-optic transmission system (FOTS)s of terrestrial television signal, it include signal down device, satellite television broadcasting signal and terrestrial television broadcast signal are received from outside, and optical fiber transmission signal will be converted into after satellite television broadcasting signal with terrestrial television broadcast signal and connect Connectorized fiber optic cabling output, signal reset apparatus transmits signal through Connectorized fiber optic cabling connection signal lowering freqyency device with reception optical fiber, and optical fiber transmission signal is separated and is reset, it is converted into satellite television play signal and terrestrial television play signal, is exported respectively.The utility model incorporates the program for the terrestrial television signal that Television clients can be watched and the program of satellite TV signal, the signal transmission that need to be separated script using this system and reception device are merged, and space and the cost of installation are saved by fiber optic cable.
Description
Technical field
The utility model relates to a kind of television signal transmission system, especially a kind of satellite TV signal that will originally separate
And the fibre-optic transmission system (FOTS) of terrestrial television signal knot merga pass single optical fiber cable TV signal.
Background technique
Now, general TV user, it is desirable to while watching the TV programme of satellite-signal and the TV Festival of ground signal
Mesh needs first to install a kind of dish-like satellite tv antenna and terrestrial television receiver antenna, with receive satellite television broadcasting signal with
Terrestrial television broadcast signal, then by the low-noise amplifying frequency demultiplier with terrestrial television signal input terminal, satellite television is wide
After broadcasting signal amplification, then it is downconverted to intermediate frequency, and combined ground TV signal is exported in output end, will be defended finally by coaxial cable
Star tv-if signal and terrestrial television signal are transmitted to client.
However, the satellite television medium-frequency signal and terrestrial television signal that are transmitted using coaxial cable, the distance that can be transmitted,
Will receive the higher cable loss of coaxial cable influences, for collective residence unit (Multi-Dwelling Unit, MDU), example
Such as apartment, mansion or cell then need device relay amplifier using multi-user's residential environment of public TV receiving antenna
Satellite television medium-frequency signal and terrestrial television signal could be transmitted to apart from satellite tv antenna and terrestrial television receiver antenna
More long-range user.
Based on satellite TV signal bipolarity and broadband band, such as vertical polarization and horizontal polarization or left-handed polarization or dextrorotation
Polarization, characteristic of the broadband band at 10.7~12.75 megahertzs, with traditional common type low-noise amplifying frequency demultiplier (Universal
LNB for), after need to amplifying satellite TV signal, then frequency reducing becomes four groups of satellite television medium-frequency signals, and coaxial using four groups
Cable is used with the client distribution being transmitted in collective residence unit.Using this existing application and set-up mode, in signal
Before arrival rating end and client, it is also necessary to which many a splitters (Tap) are set, splitter (Splitter) is cut with multitask
Parallel operation (Multi Switch).
In view of this, in collective residence unit multi-user's use environment, if using in coaxial cable transmitting satellite TV
Frequency signal and terrestrial television signal consider the spy of coaxial cable higher cable loss and satellite TV signal bipolarity and broadband
Property, need to build multiple coaxial cables, relay amplifier, splitter, splitter and multitask switch, this satellite television rating
The setting of system is not only complicated, and this system maintenance is not easy.Therefore, in order in a simple manner, for collective residence unit
The application of middle multi-user, present invention incorporates satellite television broadcasting signal and the optical fiber of the TV signal of terrestrial television broadcast signal
Transmission system.
Utility model content
The main purpose of the utility model is to provide a kind of combination satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal,
It can be provided simultaneously with terrestrial television signal and satellite TV signal, the system for being divided into two groups of separation is not just had in client, is being
In the installation or maintenance of system, if one system of installation or maintenance, can save the cost for building and safeguarding significantly, and
Simplify the use environment of client.
The another object of the utility model is to provide the fibre-optic transmission system (FOTS) of a kind of combination satellite and terrestrial television signal,
The long distance transmission low-loss characteristic for passing through fiber optic cable using the conversion of signal and fiber-optic signal, improves existing signal
Transmission is easy the problem of consume, and saves the intermediate various circuit units added in order to avoid signal consume.
In order to reach above-mentioned purpose, the utility model provides the optical fiber transmission of a kind of combination satellite and terrestrial television signal
System, which includes signal down device, receives satellite television broadcasting signal and terrestrial television broadcast signal from external, and by satellite
After television broadcasting signal frequency reducing and terrestrial television broadcast signal is converted into optical fiber transmission signal connection light cable output, signal weight
Device is set by Connectorized fiber optic cabling connection signal lowering freqyency device, to receive the optical fiber transmission signal that it is transmitted, and optical fiber is transmitted
Signal separator resetting, is converted into satellite television play signal and terrestrial television play signal, then output satellite is televised respectively
Signal and terrestrial television play signal.
It in the present invention, also include that an at least satellite-signal sending device and an at least ground signal send dress
It sets, an at least satellite-signal sending device and at least a ground signal sending device is connected separately signal down device is defended
Star sender unit transmitting satellite television broadcasting signal to signal down device, ground signal sending device transmits terrestrial television
Broadcast singal is to signal down device.
In the present invention, signal reset apparatus passes through coaxial cable output satellite TV broadcast signal and terrestrial television
Play signal.
In the present invention, also include an at least satellite TV receiver and an at least terrestrial television receiver device,
An at least satellite TV receiver and at least a terrestrial television receiver device are connected separately signal reset apparatus, satellite electricity
Satellite television play signal is received from signal reset apparatus depending on reception device, and terrestrial television receiver device receives terrestrial television and plays
Signal is from signal reset apparatus.
In the present invention, signal down device also includes receiver, receives satellite television broadcasting signal, and separate
Satellite television broadcasting signal is divided into vertical satellite television broadcasting signal and horizontal satellite by the polarity of satellite television broadcasting signal
Television broadcasting signal, the first low-noise amplifier and the second low-noise amplifier are electrically connected receiver, the first noise amplifier
With the vertical satellite television broadcasting signal of low noise amplification, the second low-noise amplifier is with the horizontal satellite television broadcasting of low noise amplification
Signal, the first frequency demultiplier and the second frequency demultiplier, the first frequency demultiplier be electrically connected the first low-noise amplifier to carry out signal down,
Second frequency demultiplier is electrically connected the second low-noise amplifier to carry out signal down, and first duplexer is electrically connected the first frequency reducing
Device and the second frequency demultiplier, to receive the signal after frequency reducing and be combined into frequency reducing satellite television broadcasting signal, the first amplifier, electrically
It connects first duplexer and receives frequency reducing satellite television broadcasting signal, and amplify frequency reducing satellite television broadcasting signal, the second amplifier,
Received from outside and amplify terrestrial television broadcast signal, the second duplexer, be electrically connected the first amplifier and the second amplifier with
Amplified frequency reducing satellite television broadcasting signal and terrestrial television broadcast signal are received, combination television broadcasting signal, light are combined into
Fine transmitter is electrically connected the second duplexer and signal connection signal reset apparatus, can receive combination tv broadcast singal, light
Combination tv broadcast singal is converted into optical fiber transmission signal to signal reset apparatus again by fine transmitter.
In the present invention, signal reset apparatus also includes signal reception and transducer signal connection signal frequency reducing dress
It sets, signal is transmitted with reception optical fiber, and be converted and be reduced into combination tv broadcast singal, third amplifier is electrically connected signal
It receives and converter is to amplify combination tv broadcast singal, third duplexer is electrically connected third amplifier to receive combination tv
Broadcast singal, and be isolated and be converted into frequency reducing satellite television broadcasting signal and terrestrial television play signal, and first by ground electricity
It is exported depending on play signal, the 4th duplexer is electrically connected third duplexer to receive frequency reducing satellite television broadcasting signal, and will drop
Frequency satellite television broadcasting Signal separator is converted into vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal, and first turn
Frequency device and one second turn of frequency device are respectively electrically connected the 4th duplexer, and the first turn of frequency device receives vertical satellite television broadcasting signal,
Second turn of frequency device receives horizontal satellite television broadcasting signal, to adjust separately vertical satellite television broadcasting signal and horizontal satellite electricity
Depending on the frequency of broadcast singal, digitizes channel resetting device and be electrically connected the first, second turn of frequency device, it is vertical after receiving frequency modulation respectively
Satellite television broadcasting signal and horizontal satellite television broadcasting signal, and it is rearranged into the output of satellite television play signal.
In the present invention, signal reset apparatus also includes distributor, is electrically connected digitlization channel and resets device, with
Distribute output satellite TV broadcast signal.
In the present invention, the first turn of frequency device and the second turn of frequency device are respectively by vertical satellite television broadcasting signal and level
Satellite television broadcasting signal is adjusted to 250~2350 megahertzs of frequency range.
Detailed description of the invention
Fig. 1 is the block schematic diagram of the combination satellite of the utility model and the fibre-optic transmission system (FOTS) of terrestrial television signal.
Fig. 2 is the block schematic diagram of signal down device in the utility model.
Fig. 3 is the block schematic diagram of signal reset apparatus in the utility model.
Fig. 4 is that digitlization channel resetting device rearranges vertical, horizontal satellite television broadcasting signal in the utility model
At the schematic diagram of satellite television play signal.
Fig. 5 is the block schematic diagram that distributor connects multiple satellite TV receivers in the utility model.
Description of symbols: 10- television signal transmission system；12- signal down device；13- Connectorized fiber optic cabling；14- signal
Reset apparatus；16- satellite-signal sending device；18- ground signal sending device；20- satellite TV receiver；The ground 22-
Radiovisor；24- receiver；The first low-noise amplifier of 26-；The second low-noise amplifier of 28-；The first frequency demultiplier of 30-；
The second frequency demultiplier of 32-；34- first duplexer；The first amplifier of 36-；The second amplifier of 38-；The second duplexer of 40-；42- optical fiber
Transmitter；44- signal receives and converter；46- third amplifier；48- third duplexer；The 4th duplexer of 50-；52- first
Turn of frequency device；The second turn of frequency device of 54-；56- digitizes channel and resets device；58- distributor；The vertical satellite television broadcasting signal of S1-；
The horizontal satellite television broadcasting signal of S2-；S3- satellite television play signal；A1~AN- single signal；B1~BN- single signal.
Specific embodiment
With the change that inhabitants live is accustomed to, collective residence unit is practised now with the house for being different from one, a family in the past
It is used, therefore in the buildings such as apartment or mansion, it is less applicable in the signal receiving and transmitting system of traditional satellite antenna and terrestrial television,
It may require that a plurality of coaxial cable and add more intermediate equipments to maintain the transmission of signal, either build cost or maintenance
Cost, all very considerable, therefore the utility model improves the signal receiving and transmitting system of traditional satellite antenna and terrestrial television, mentions
More excellent out and convenient television signal transmission system.
Firstly, please refer to shown in the utility model Fig. 1, the fibre-optic transmission system (FOTS) of a kind of combination satellite and terrestrial television signal
10 include a signal down device 12 and a signal reset apparatus 14, and 12 signal of signal down device connects satellite-signal hair
Device 16 and a ground signal sending device 18, and one Connectorized fiber optic cabling 13 of connection are sent, Connectorized fiber optic cabling 13 reconnects signal resetting
Device 14, signal reset apparatus 14 connect an at least satellite TV receiver 20 and an at least terrestrial television receiver device 22.
In the present embodiment, satellite TV receiver 20 is satellite television receiver top box, and terrestrial television receiver device 22 is ground
The quantity of television reception set-top box, satellite TV receiver 20 and terrestrial television receiver device 22 is first to be illustrated for one,
But the utility model is not limited system, and signal down device 12 passes through 13 connection signal reset apparatus 14 of Connectorized fiber optic cabling, signal
Reset apparatus 14 is then to utilize coaxial signal connection satellite TV receiver 20 and terrestrial television receiver device 22.
Upper section is accepted, and referring to shown in the utility model Fig. 2, also including a reception in signal down device 12
Device 24, signal connect satellite-signal sending device 16, and in the present invention, receiver 24 is Feed Horn, one first low noise
Acoustic amplifier 26 and one second low-noise amplifier 28 are electrically connected receiver 24, and it is low that one first frequency demultiplier 30 is electrically connected first
Noise amplifier 26 and one second frequency demultiplier 32 are electrically connected the second low-noise amplifier 28, and a first duplexer 34 is electrically connected
First frequency demultiplier 30 and the second frequency demultiplier 32, one first amplifier 36 are electrically connected first duplexer 34, one second amplifier 38
Then signal connects ground signal sending device 18, and one second duplexer 40 is electrically connected the first amplifier 36 and the second amplifier again
38, a fiber optic emitter 42 is electrically connected the second duplexer 40 and signal reset apparatus 14.
In addition, referring to shown in the utility model Fig. 3, in signal reset apparatus 14 also include a signal receive and
Fiber optic emitter 42 in 44 signal connection signal lowering freqyency device 12 of converter, a third amplifier 46 are electrically connected signal and receive
And converter 44, a third duplexer 48 electric connection third amplifier 46 and signal connection terrestrial television receiver device 22, one
4th duplexer 50 is electrically connected third duplexer 48, and one first turn of frequency device 52 and one second turn of frequency device 54 are electrically connected the 4th pair
Work device 50, a digitlization channel resetting device 56 is electrically connected the first turn of frequency device 52, the second turn of frequency device 54 and a distributor 58, and leads to
Cross 58 signal of distributor connection satellite TV receiver 20.
After the system architecture for having illustrated the utility model, the utility model is then described in detail makees flowing mode, please continue ginseng
Fig. 1 to Fig. 3, signal down device 12 can receive satellite television broadcasting signal and terrestrial television broadcast signal from external, mainly
It is to receive satellite television broadcasting signal and the second amplifier 38 from ground from satellite sender unit 16 using receiver 24
Sender unit 18 receives terrestrial television broadcast signal.Receiver 24 can separate the received satellite television broadcasting pickup electrode of institute
Property, it is divided into vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal, the utility model is not with this noun
Limitation, in addition also can be divided into the satellite television broadcasting signal of right-hand polarization and left-handed polarization, and mainly disclosing can be divided into two not
The satellite television broadcasting signal of same polarity, and the vertical satellite television broadcasting signal of the utility model and horizontal satellite television broadcasting
Signal frequency is between 10.7~12.75GHz.Then again respectively by vertical satellite television broadcasting signal and horizontal satellite television
Broadcast singal is transmitted to the first low-noise amplifier 26 and the second low-noise amplifier 28 so that the first low-noise amplifier 26 with
The vertical satellite television broadcasting signal of low noise amplification and the second low-noise amplifier 28 are with the horizontal satellite television of low noise amplification
Amplified vertical satellite television broadcasting signal is transmitted to the first frequency demultiplier 30 again by broadcast singal, the first low-noise amplifier 26
Carry out frequency reducing, vertical satellite television broadcasting signal frequency at this time between 950~3000MHz, meanwhile, the second low noise is put
Amplified horizontal satellite television broadcasting signal is transmitted to the second frequency demultiplier 32 again and carries out frequency reducing by big device 28, and level at this time is defended
Star television broadcasting signal frequency is between 3400~5450MHz.After frequency reducing, the first frequency demultiplier 30 and the second frequency demultiplier 32 are again
By after frequency reducing vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal be transmitted to first duplexer 34, utilize
Vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal are combined into a frequency reducing satellite electricity by first duplexer 34
Depending on broadcast singal, frequency reducing satellite television broadcasting signal frequency at this time is transmitted to first and puts between 950~5450MHz
Big device 36.First amplifier 36 can amplify frequency reducing satellite television broadcasting signal and the second amplifier 38 can amplify and be connect
The terrestrial television broadcast signal of receipts, terrestrial television broadcast signal frequency at this time is between 54~806MHz, and first puts
Amplified frequency reducing satellite television broadcasting signal and terrestrial television broadcast signal are transmitted to by big device 36 and the second amplifier 38 again
Second duplexer 40, by the second duplexer 40 by amplified frequency reducing satellite television broadcasting signal and terrestrial television broadcast signal
It is combined into a combination tv broadcast singal, combination tv broadcast signal frequency at this time is between 54~5450MHz, and second pair
Combination tv broadcast singal is transmitted to fiber optic emitter 42 again by work device 40, is broadcasted combination tv using fiber optic emitter 42 and is believed
It number is converted into optical fiber transmission signal, and signal reset apparatus 14 is transmitted to by Connectorized fiber optic cabling 13.
Upper section is accepted, the signal in signal reset apparatus 14 receives and converter 44 can pass through 13 reception optical fiber of Connectorized fiber optic cabling
Transmit signal, and optical fiber transmission signal be reduced into combination tv broadcast singal, frequency values be also reduced into 54~5450MHz it
Between, signal receives and combination tv broadcast singal is transmitted to third amplifier 46 again by converter 44.Third amplifier 46 amplifies
After combination tv broadcast singal, then combination tv broadcast singal is transmitted to third duplexer 48, and utilizes third duplexer 48
The separation of combination tv broadcast singal is converted into frequency reducing satellite television broadcasting signal and terrestrial television play signal, frequency reducing satellite electricity
Frequency values depending on broadcast singal are also reduced between 950~5450MHz, and the frequency values of terrestrial television play signal are also reduced into 54
Between~806MHz, at this point, third duplexer 48 can first export terrestrial television play signal to terrestrial television receiver device 22,
In addition frequency reducing satellite television broadcasting signal is transmitted to the 4th duplexer 50 again.4th duplexer 50 is wide by frequency reducing satellite television again
It broadcasts Signal separator and is converted into vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal, vertical satellite electricity at this time
Regard the frequency values of broadcast singal between 950~3000MHz and the frequency values of horizontal satellite television broadcasting signal be 3400~
Between 5450MHz, and vertical satellite television broadcasting signal is transmitted to the first turn of frequency device 52, and horizontal satellite television broadcasting is believed
Number it is transmitted to the second turn of frequency device 54, to adjust separately vertical satellite television broadcasting using the first turn of frequency device 52 and the second turn of frequency device 54
The frequency of signal and horizontal satellite television broadcasting signal, in the present embodiment, the first turn of frequency device 52 and the second turn of frequency device 54 are each
It adjusts from by vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal to the frequency range of 250~2350MHz.Most
Afterwards, digitlization channel resetting device 56 can receive the first turn of frequency device 52 and 54 institute's vertical satellite television adjusted of the second turn of frequency device is wide
Signal and horizontal satellite television broadcasting signal are broadcast, and is rearranged into satellite television play signal, and is defeated by distributor 58
Out to satellite TV receiver 20.
Then, the utility model is described in more detail and rearranges vertical satellite television broadcasting signal and horizontal satellite television
The mode of broadcast singal please join shown in the utility model Fig. 4, and please continue ginseng Fig. 3 simultaneously, and the utility model utilizes digitlization channel
Device 56 is reset, it can be from the vertical satellite television broadcasting signal S1 and horizontal satellite television broadcasting signal S2 of 250~2350MHz
In, single signal A1~AN therein, B1~BN are captured and rearranged, to be reset to frequency also 250~2350MHz's
Satellite television play signal S3.
In the above embodiments, because the effect of distributor is less first by taking a satellite TV receiver as an example
Obviously, but the utility model is in actual setting, because can be set in the building, it is sufficient to many clients are supplied to, because
This utility model does not limit connected satellite TV receiver, can also be multiple satellite TV receivers, such as
Shown in the utility model Fig. 5, at this point it is possible to which satellite television play signal is distributed to by coaxial cable using distributor 58
Multiple satellite TV receivers 20.
Therefore, it by the utility model combination satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, on building, uses
Fiber optic cable can save many repeat circuit components in signal transmitting, save the cost built, in maintenance, again
Can be because of many circuit units be reduced, the device for guaranteeing to keep in good repair replacement can be less.Also, the utility model does not need satellite to believe
Number and terrestrial television signal be divided into two kinds of receiving converters, using the conversion and transmitting of single device, two kinds of letters can be carried out
Number transmitting, conversion and integration, quite convenient for be used in collective residence unit.
Embodiment described above is only to illustrate that the technical idea and feature of the utility model, purpose make this field skill
Art personnel can understand the content of the utility model and implement accordingly, when cannot with the restriction protection scope of the utility model,
It should cover the protection in the utility model according to equivalent change or modification made by the revealed spirit of the utility model generally
In range.
Claims (8)
1. the fibre-optic transmission system (FOTS) of a kind of combination satellite and terrestrial television signal, characterized by comprising:
One signal down device receives satellite television broadcasting signal and terrestrial television broadcast signal from external, and by the satellite
Optical fiber transmission signal connection Connectorized fiber optic cabling output is converted into after television broadcasting signal frequency reducing together with terrestrial television broadcast signal；With
And
One signal reset apparatus connects the signal down device by the Connectorized fiber optic cabling, to receive the signal down device institute
The optical fiber transmission signal of transmission, and the optical fiber transmission signal is separated and is reset, to be converted into satellite television play signal and ground
Surface TV play signal, then the satellite television play signal and the terrestrial television play signal are exported respectively；
Wherein, which further includes:
One receiver receives the satellite television broadcasting signal and separates the polarity of the satellite television broadcasting signal, this is defended
Star television broadcasting signal is divided into vertical satellite television broadcasting signal and horizontal satellite television broadcasting signal；
One first low-noise amplifier and one second low-noise amplifier, are electrically connected the receiver, which puts
Big device vertical satellite television broadcasting signal with low noise amplification, second low-noise amplifier with low noise amplification, defend by the level
Star television broadcasting signal；
One first frequency demultiplier and one second frequency demultiplier, first frequency demultiplier are electrically connected first low-noise amplifier, will put
The vertical satellite television broadcasting signal down after big, second frequency demultiplier are electrically connected second low-noise amplifier, will
The amplified horizontal satellite television broadcasting signal down；
One first duplexer is electrically connected first frequency demultiplier and second frequency demultiplier, is vertically defended with this for receiving after frequency reducing
Star television broadcasting signal and the horizontal satellite television broadcasting signal, and it is incorporated into a frequency reducing satellite television broadcasting signal；
One first amplifier and one second amplifier, first amplifier are electrically connected the first duplexer, to receive the frequency reducing
Satellite television broadcasting signal, and amplify the frequency reducing satellite television broadcasting signal, one second amplifier receives the ground from the outside
Television broadcasting signal, and amplify the terrestrial television broadcast signal；
One second duplexer is electrically connected first amplifier and second amplifier, receives the amplified frequency reducing and defends
Star television broadcasting signal and the terrestrial television broadcast signal, and it is incorporated into a combination tv broadcast singal；And
One fiber optic emitter, is electrically connected second duplexer and signal connects the signal reset apparatus, to receive the combination
The combination tv broadcast singal is converted into the optical fiber transmission signal again with the fiber optic cable by television broadcasting signal, the fiber optic emitter
Line is transmitted to the signal reset apparatus,
The signal reset apparatus further includes:
One signal receives and converter, connects the signal down device by the Connectorized fiber optic cabling signal, to receive optical fiber biography
Defeated signal, and optical fiber transmission signal conversion is reduced into the combination tv broadcast singal；
One third amplifier is electrically connected signal reception and converter, and to amplify, the signal is received and converter is transmitted
The combination tv broadcast singal；
One third duplexer is electrically connected the third amplifier, to receive the combination tv broadcast singal, and the combination is electric
It is converted into the frequency reducing satellite television broadcasting signal and the terrestrial television play signal depending on broadcast singal separation, and first by ground electricity
It is exported depending on play signal；
One the 4th duplexer is electrically connected the third duplexer, to receive the frequency reducing satellite television broadcasting signal, and by the drop
Frequency satellite television broadcasting Signal separator is converted into the vertical satellite television broadcasting signal and the horizontal satellite television broadcasting signal；
One first turn of frequency device and one second turn of frequency device, are electrically connected the 4th duplexer, which receives this and hang down
Straight satellite television broadcasting signal, second turn of frequency device receive the horizontal satellite television broadcasting signal, are vertically defended with adjusting separately this
The frequency of star television broadcasting signal and the horizontal satellite television broadcasting signal；And
One digitlization channel resets device, is electrically connected first turn of frequency device and second turn of frequency device, to receive adjustment frequency respectively
The vertical satellite television broadcasting signal and the horizontal satellite television broadcasting signal after rate, and the vertical satellite television broadcasting is believed
Number and the horizontal satellite television broadcasting signal be rearranged into the satellite television play signal output.
2. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that further include
An at least satellite-signal sending device and at least a ground signal sending device, at least a satellite-signal sending device and at least one
Ground signal sending device is connected separately the signal down device, and at least a satellite-signal sending device transmits the satellite for this
Television broadcasting signal is to the signal down device, and at least a ground signal sending device transmits the terrestrial television broadcast signal extremely for this
The signal down device.
3. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that the signal
Reset apparatus exports the satellite television play signal and the terrestrial television play signal by coaxial cable.
4. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that further include
An at least satellite TV receiver and at least a terrestrial television receiver device, an at least satellite TV receiver and at least one
Terrestrial television receiver device is connected separately the signal reset apparatus, and at least a satellite TV receiver receives the satellite for this
For TV broadcast signal from the signal reset apparatus, which receives the terrestrial television play signal certainly
The signal reset apparatus.
5. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that this is at least
One satellite TV receiver is satellite television receiver top box, which is terrestrial television receiver
Set-top box.
6. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that the reception
Device is Feed Horn.
7. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that the signal
Reset apparatus further includes a distributor, is electrically connected digitlization channel resetting device, exports the satellite television for distribution and broadcast
Discharge signal.
8. as described in claim 1 in conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal, which is characterized in that this first
Turn of frequency device and second turn of frequency device respectively adjust the vertical satellite television broadcasting signal and the horizontal satellite television broadcasting signal
To 250~2350 megahertzs of frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652755.3U CN208369759U (en) | 2018-05-03 | 2018-05-03 | In conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652755.3U CN208369759U (en) | 2018-05-03 | 2018-05-03 | In conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369759U true CN208369759U (en) | 2019-01-11 |
Family
ID=64933529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820652755.3U Expired - Fee Related CN208369759U (en) | 2018-05-03 | 2018-05-03 | In conjunction with satellite and the fibre-optic transmission system (FOTS) of terrestrial television signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208369759U (en) |
-
2018
- 2018-05-03 CN CN201820652755.3U patent/CN208369759U/en not_active Expired - Fee Related
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