CN209046773U - The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable - Google Patents
The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable Download PDFInfo
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- CN209046773U CN209046773U CN201821647338.6U CN201821647338U CN209046773U CN 209046773 U CN209046773 U CN 209046773U CN 201821647338 U CN201821647338 U CN 201821647338U CN 209046773 U CN209046773 U CN 209046773U
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Abstract
The utility model discloses the high-frequency tuners that Ku band satellite signal is transmitted and distributed by coaxial cable, belong to technical field of satellite communication, the high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable, including high-frequency branch tuner ontology and intermediate frequency tributary signal receiver, the high-frequency branch tuner ontology upper end is fixedly connected with aerial signal coffret, the high-frequency branch tuner ontology lower end is fixedly connected with the first branched line interface and the second branched line interface, it may be implemented to change the mode that traditional separate cable and high-frequency tuner establish connection, by four different frequency range down conversion process of satellite channel for after intermediate-freuqncy signal, it is integrated in compound frequency band, utilize the coaxial cable and output port laid, solve the connectivity problem of high-frequency tuner and multiple receiver ports, simplify The installation steps of signal receiving end and the cost for reducing route repacking.
Description
Technical field
The utility model relates to technical field of satellite communication, transmitted and distribution more specifically to coaxial cable is passed through
The high-frequency tuner of Ku band satellite signal.
Background technique
High-frequency tuner (tuner) is the Primary Component that TV can receive cable broadcasting signal.Effect is from day
Required high-frequency TV signal is selected in the electric signal of line induction and is amplified, and image medium-frequency signal and companion are generated by mixer stage
The first intermediate-freuqncy signal of sound, and they are sent in image and puts channel and amplifies, whether mechanical tuning or electric tuning, all must
Input circuit must be changed simultaneously, height is put and local oscillator alignment of tuned circuit parameter (inductance or capacitor) just can be with switching channels LCD TV
Belong to DTV, anolog TV signals are first changed into digital signal, is compressed, transmitted, received, handle, stores, recorded
And control, it receives terminal and first has to carry out High frequency amplification through digital TV tuner, compares processing, channel decoding and demodulation, so
Received machine back-end circuit goes back original image and sound after carrying out the processing such as source coding again afterwards, if being wherein distorted will result in
Error code error can not just receive picture-and-sound if exceeding the regulatable range of tuner.
What most of direct broadcast satellite (DBS) traditional at present used is all the double local oscillator high-frequency tuners of dual polarization, needs to lead to
It overregulates voltage and 22kHz pulse intermediate frequency switching switch carrys out selection signal, adjustment process is cumbersome, and each user requires
An individual cable connection is to high-frequency tuner, to realize the reception to signal, in signals transmission, multiple users
When the satellite signal receiving apparatus used needs the privately owned tuner of outer signals and single user to establish connection, it is necessary to each
User is equipped with independent cable, and this signal transmission form increases the installation difficulty of tuner and external equipment, and needs
Quite high cable laying cost has completed the commercial user and domestic consumer of satellite cable laying simultaneously for those, needs
The cost for carrying out route repacking is larger, is unfavorable for the popularization of new digital signal transmission technology.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide transmitted and divided by coaxial cable
The high-frequency tuner of Ku band satellite signal is sent out, it may be implemented to change traditional separate cable and high-frequency tuner and establishes connection
Mode be integrated in compound frequency band, after being intermediate-freuqncy signal for four different frequency range down conversion process of satellite channel using having spread
If good coaxial cable and output port, the connectivity problem of high-frequency tuner and multiple receiver ports is solved, simplifies signal
The installation steps of receiving end and the cost for reducing route repacking.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
The high-frequency tuner of Ku band satellite signal, including high-frequency branch tuner sheet are transmitted and distributed by coaxial cable
Body and intermediate frequency tributary signal receiver, the high-frequency branch tuner ontology upper end are fixedly connected with aerial signal coffret,
The high-frequency branch tuner ontology lower end is fixedly connected with the first branched line interface and the second branched line interface, and described
IF modulator is equipped between one branched line interface and the second branched line interface, the IF modulator lower end is fixedly connected
There is intermediate-freuqncy signal emission port, the intermediate frequency tributary signal receiver lower end is fixedly connected with power amplifying device signal transmission port,
The intermediate frequency tributary signal receiver upper end is fixedly connected with intermediate frequency omnidirectional antenna, is cased with soft modeling on the intermediate frequency omnidirectional antenna
Expect substrate, may be implemented to change the mode that traditional separate cable and high-frequency tuner establish connection, by four of satellite channel
Different frequency range down conversion process be intermediate-freuqncy signal after, be integrated in compound frequency band, utilize the coaxial cable and output end laid
Mouthful, the connectivity problem of high-frequency tuner and multiple receiver ports is solved, the installation steps and reduction of signal receiving end are simplified
The cost of route repacking.
Further, liquid tuner circuit plate, the liquid tuner electricity are equipped among the high-frequency branch tuner ontology
Road plate is equipped with input circuit UHF module, is equipped with high-frequency amplifier UHF module, the height on the right side of the input circuit UHF module
Frequency changer circuit UHF module, the input circuit UHF module, high-frequency amplifier UHF module are equipped on the right side of audio amplifier UHF module
It is successively electrically connected with frequency changer circuit UHF module, the input circuit UHF module left end electrically connects with aerial signal coffret
It connects, convenient for carrying out frequency modulation to superfrequency satellite-signal, received high frequency satellite-signal is made to be converted to intermediate-freuqncy signal output.
Further, input circuit VHF module is equipped on the downside of the input circuit UHF module, the input circuit VHF is right
End is electrically connected with high-frequency amplifier VHF module, the high-frequency amplifier VHF module right end be electrically connected in put mixing mould
Block, it is described in put frequency mixing module and frequency changer circuit UHF module and be electrically connected, middle side's frequency mixing module lower end is electrically connected with this
Vibration circuit VHF module, the input circuit VHF module left end and aerial signal coffret are electrically connected, convenient for very high frequency(VHF)
Satellite-signal carries out frequency modulation, and received very high frequency(VHF) satellite-signal is made to be converted to intermediate-freuqncy signal output.
It further, further include low-noise amplifier, bandpass filter, frequency reducing amplification letter on the liquid tuner circuit plate
Number integrated circuit and satellite channel converter ic, by the hardware on liquid tuner circuit plate, convenient for completing to received
The frequency reducing of satellite-signal and clutter filtering.
Further, put in described frequency mixing module right end and the first branched line interface, the second branched line interface and in
Converting modulator is electrically connected, and the intermediate-freuqncy signal emission port is connect with intermediate frequency tributary signal receiver signal, single convenient for making
Intermediate-freuqncy signal on high-frequency branch tuner ontology is transferred to multiple intermediate frequency tributary signal receivers, to solve high-frequency tuner
With the connectivity problem of multiple receiver ports, simplifies the installation steps of signal receiving end and reduce the cost of route repacking.
Further, multiple liquid extension extended antennas, the liquid extension extension are equipped in the soft plastic substrate
Antenna is fixedly connected with intermediate frequency omnidirectional antenna, convenient for enhancing the signal reception of intermediate frequency omnidirectional antenna, enhancing intermediate frequency branch letter
The stability of number receiver and the transmission of high-frequency branch tuner ontology signal.
Further, it is equipped with piezoelectric ceramic piece and incentive probe in the IF modulator, the piezoelectric ceramic piece and swashs
It encourages probe to be fixedly connected, incentive probe and intermediate-freuqncy signal emission port are electrically connected, convenient for enhancing IF modulator and intermediate frequency letter
The signal transmission effect of number emission port.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme may be implemented to change the mode that traditional separate cable and high-frequency tuner establish connection, by satellite
Four different frequency range down conversion process of channel be intermediate-freuqncy signal after, be integrated in compound frequency band, utilize the coaxial electrical laid
Cable and output port solve the connectivity problem of high-frequency tuner and multiple receiver ports, simplify the installation of signal receiving end
Step and the cost for reducing route repacking.
(2) liquid tuner circuit plate is equipped among high-frequency branch tuner ontology, liquid tuner circuit plate is equipped with input
Circuit UHF module, input circuit UHF module right side are equipped with high-frequency amplifier UHF module, set on the right side of high-frequency amplifier UHF module
There is frequency changer circuit UHF module, input circuit UHF module, high-frequency amplifier UHF module and frequency changer circuit UHF module are successively electrical
Connection, input circuit UHF module left end and aerial signal coffret are electrically connected, convenient for adjusting to superfrequency satellite-signal
Frequently, received high frequency satellite-signal is made to be converted to intermediate-freuqncy signal output.
(3) input circuit VHF module is equipped on the downside of input circuit UHF module, input circuit VHF right end is electrically connected with height
Audio amplifier VHF module, high-frequency amplifier VHF module right end be electrically connected in put frequency mixing module, in put frequency mixing module and become
Frequency circuit UHF module is electrically connected, and middle side's frequency mixing module lower end is electrically connected with local oscillation circuit VHF module, input circuit VHF mould
Block left end and aerial signal coffret are electrically connected, and convenient for carrying out frequency modulation to very high frequency(VHF) satellite-signal, make received very high frequency(VHF)
Satellite-signal is converted to intermediate-freuqncy signal output.
It (4) further include low-noise amplifier, bandpass filter, frequency reducing amplified signal integrated circuit on liquid tuner circuit plate
With satellite channel converter ic, by the hardware on liquid tuner circuit plate, convenient for completing to received satellite-signal
Frequency reducing and clutter filtering.
(5) frequency mixing module right end and the first branched line interface, the second branched line interface and IF modulator electricity are put in
Property connection, intermediate-freuqncy signal emission port is connect with intermediate frequency tributary signal receiver signal, convenient for making single high-frequency branch tuner
Intermediate-freuqncy signal on ontology is transferred to multiple intermediate frequency tributary signal receivers, to solve high-frequency tuner and the reception of multiple signals
The connectivity problem of port simplifies the installation steps of signal receiving end and reduces the cost of route repacking.
(6) multiple liquid extension extended antennas, liquid extension extended antenna and intermediate frequency omnidirectional are equipped in soft plastic substrate
Antenna is fixedly connected, and convenient for enhancing the signal reception of intermediate frequency omnidirectional antenna, enhances intermediate frequency tributary signal receiver and high frequency
The stability of branch's tuner ontology signal transmission.
(7) piezoelectric ceramic piece and incentive probe are equipped in IF modulator, piezoelectric ceramic piece is fixedly connected with incentive probe,
Incentive probe and intermediate-freuqncy signal emission port are electrically connected, convenient for enhancing the signal of IF modulator and intermediate-freuqncy signal emission port
Laser propagation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model high-frequency branch tuner body part；
Fig. 2 is the structural schematic diagram of the utility model intermediate frequency tributary signal receiver part；
Fig. 3 is that the circuit structure of the utility model tuner circuit plate part forms figure；
Fig. 4 is the functional block diagram of the utility model.
Figure label explanation:
1 high-frequency branch tuner ontology, 2 aerial signal coffrets, 3 first branched line interfaces, 4 second branched lines
Interface, 5 IF modulators, 6 intermediate-freuqncy signal emission ports, 7 intermediate frequency tributary signal receivers, 8 intermediate frequency omnidirectional antennas, 9 soft modelings
Expect substrate, 10 power amplifying device signal transmission ports, 11 liquid extension extended antennas, 12 tuner circuit plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected, can be mechanical connection, is also possible to be electrically connected, can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements, it for the ordinary skill in the art, can
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Fig. 1-4 is please referred to, the high-frequency tuner of Ku band satellite signal, including high frequency are transmitted and distributed by coaxial cable
Branch's tuner ontology 1 and intermediate frequency tributary signal receiver 7,1 upper end of high-frequency branch tuner ontology are fixedly connected with antenna letter
Number coffret 2,1 lower end of high-frequency branch tuner ontology is fixedly connected with the first branched line interface 3 and the second branched line
Interface 4 is equipped with IF modulator 5,5 lower end of IF modulator between first branched line interface 3 and the second branched line interface 4
It is fixedly connected with intermediate-freuqncy signal emission port 6,7 lower end of intermediate frequency tributary signal receiver is fixedly connected with the transmission of power amplifying device signal
Port 10,7 upper end of intermediate frequency tributary signal receiver are fixedly connected with intermediate frequency omnidirectional antenna 8, are cased on intermediate frequency omnidirectional antenna 8 soft
Plastic base 9 may be implemented to change the mode that traditional separate cable and high-frequency tuner establish connection, by the four of satellite channel
A different frequency range down conversion process be intermediate-freuqncy signal after, be integrated in compound frequency band, utilize the coaxial cable and output laid
Port solves the connectivity problem of high-frequency tuner and multiple receiver ports, simplifies the installation steps and drop of signal receiving end
The cost of low route repacking.
Referring to Fig. 3, being equipped with liquid tuner circuit plate 12, liquid tuner circuit plate among high-frequency branch tuner ontology 1
12 are equipped with input circuit UHF module, are equipped with high-frequency amplifier UHF module, high-frequency amplifier on the right side of input circuit UHF module
Frequency changer circuit UHF module, input circuit UHF module, high-frequency amplifier UHF module and frequency changer circuit UHF are equipped on the right side of UHF module
Module is successively electrically connected, and input circuit UHF module left end and aerial signal coffret 2 are electrically connected, convenient for superfrequency
Satellite-signal carries out frequency modulation, and received high frequency satellite-signal is made to be converted to intermediate-freuqncy signal output.
Referring to Fig. 3, being equipped with input circuit VHF module on the downside of input circuit UHF module, input circuit VHF right end is electrical
Be connected with high-frequency amplifier VHF module, high-frequency amplifier VHF module right end be electrically connected in put frequency mixing module, in put mixing
Module and frequency changer circuit UHF module are electrically connected, and middle side's frequency mixing module lower end is electrically connected with local oscillation circuit VHF module, are inputted
Circuit VHF module left end and aerial signal coffret 2 are electrically connected, and convenient for carrying out frequency modulation to very high frequency(VHF) satellite-signal, make to connect
The very high frequency(VHF) satellite-signal of receipts is converted to intermediate-freuqncy signal output.
Referring to Fig. 4, further including low-noise amplifier, bandpass filter, frequency reducing amplification letter on liquid tuner circuit plate 12
Number integrated circuit and satellite channel converter ic, pass through noise amplifier, the bandpass filtering on liquid tuner circuit plate 12
Device, frequency reducing amplified signal integrated circuit and satellite channel converter ic, convenient for completing the frequency reducing to received satellite-signal
It is filtered with clutter.
Frequency mixing module right end and the first branched line interface 3, the second branched line interface 4 and intermediate frequency are put in referring to Fig. 1,
Modulator 5 is electrically connected, and intermediate-freuqncy signal emission port 6 is connect with 7 signal of intermediate frequency tributary signal receiver, and mixing mould is put in
Block right end and the first branched line interface 3, the second branched line interface 4 and IF modulator 5 are electrically connected, intermediate-freuqncy signal transmitting
Port 6 is connect with 7 signal of intermediate frequency tributary signal receiver, convenient for making the intermediate-freuqncy signal on single high-frequency branch tuner ontology 1
Multiple intermediate frequency tributary signal receivers 7 are transferred to, so that the connectivity problem of high-frequency tuner Yu multiple receiver ports is solved,
Simplify the installation steps of signal receiving end and reduces the cost of route repacking.
Referring to Fig. 2, being equipped with multiple liquid extension extended antennas 11, liquid extension extended antenna in soft plastic substrate 9
11 are fixedly connected with intermediate frequency omnidirectional antenna 8, pass through the multiple liquid extension extended antennas 11 added in soft plastic substrate 9, liquid
State extension extended antenna 11 is fixedly connected with intermediate frequency omnidirectional antenna 8, convenient for enhancing the signal reception of intermediate frequency omnidirectional antenna 8,
Enhance the stability of intermediate frequency tributary signal receiver 7 and the transmission of 1 signal of high-frequency branch tuner ontology, soft plastic substrate 9
Main component is dimethyl silicone polymer substrate, and microfluidic channel is equipped in soft plastic substrate 9, is filled in microfluidic channel
Liquid gallium indium metal, by using dimethyl silicone polymer substrate as soft plastic substrate 9, convenient for extending soft plastic substrate
9 service life, while enhancing the signal of the intermediate frequency omnidirectional antenna 8 in soft plastic substrate 9 and liquid extension extended antenna 11
Reception.
Referring to Fig. 1, being equipped with piezoelectric ceramic piece and incentive probe, piezoelectric ceramic piece and incentive probe in IF modulator 5
It is fixedly connected, incentive probe and intermediate-freuqncy signal emission port 6 are electrically connected, convenient for enhancing IF modulator 5 and intermediate-freuqncy signal hair
Penetrate the signal transmission effect of port 6, the specification of high-frequency branch tuner ontology 1 is adjustment frequency difference 80MHz, load capacitance 50pF,
100 Ω of load resonant resistance, level of drive 50mW determine convenient for staff according to the specification of high-frequency branch tuner ontology 1
Applicable satellite signal receiving apparatus, aerial signal coffret 2, the first branched line interface 3, the second branched line interface 4
It is the horizontal single thread head of DIP with 10 specification of power amplifying device signal transmission port, convenient for compatible with classical signal reception device.
The utility model passes through input circuit UHF module, high-frequency amplifier UHF module, frequency changer circuit UHF module, input
The intermediate frequency of circuit VHF module, high-frequency amplifier VHF module, middle side's frequency mixing module and local oscillation circuit VHF module and hardware components
Modulator 5, intermediate-freuqncy signal emission port 6 and intermediate frequency tributary signal receiver 7, the high-frequency amplifier being equipped with, high-frequency band pass filtering
Device, frequency reducing amplified signal phase-locked loop intergrated circuit, satellite channel converter ic, microcontroller MCU, intermediate frequency amplification electricity
Road, DC-DC voltage conversion circuit etc..This product is by the vertical polarization of satellite channel/low local oscillator (V/L), vertical polarization/Gao Benzhen
(V/H), after four different frequency range frequency reducings of horizontal polarization/low local oscillator (H/L) and horizontal polarization/Gao Benzhen (H/H) amplification, into defending
Star channel converter ic, signal further frequency reducing raising frequency in integrated circuit are transformed into the fixed intermediate-freuqncy signal of frequency, then
Narrow subband output signal one by one is generated through BPF, these last subbands are by forming compound frequency band after mixing.This compound frequency band
Output is formed by different, the independent channel that different frequency range exports, and passes through a coaxial cable transmission.And each user
It is just single use respective narrow subband, nearly all of Ku band satellite program is not interfere with each other, and solves common high frequency modulation
The humorous each user of device can only be individually connected to the output end of tuner, and cost saved number of cables may be implemented to change tradition
Separate cable and high-frequency tuner establish the mode of connection, be that intermediate frequency is believed by four different frequency range down conversion process of satellite channel
It after number, is integrated in compound frequency band, using the coaxial cable and output port laid, solves high-frequency tuner and multiple letters
The connectivity problem of number receiving port simplifies the installation steps of signal receiving end and reduces the cost of route repacking.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (7)
1. the high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable, it is characterised in that: including high frequency division
Branch tuner ontology (1) and intermediate frequency tributary signal receiver (7), high-frequency branch tuner ontology (1) upper end are fixedly connected
Have aerial signal coffret (2), high-frequency branch tuner ontology (1) lower end is fixedly connected with the first branched line interface
(3) and the second branched line interface (4) it, is equipped between the first branched line interface (3) and the second branched line interface (4)
IF modulator (5), IF modulator (5) lower end are fixedly connected with intermediate-freuqncy signal emission port (6), the intermediate frequency branch
Signal receiver (7) lower end is fixedly connected with power amplifying device signal transmission port (10), the intermediate frequency tributary signal receiver (7)
Upper end is fixedly connected with intermediate frequency omnidirectional antenna (8), is cased with soft plastic substrate (9) on the intermediate frequency omnidirectional antenna (8).
2. the high-frequency tuner according to claim 1 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: being equipped with liquid tuner circuit plate (12), the liquid tuner circuit among the high-frequency branch tuner ontology (1)
Plate (12) is equipped with input circuit UHF module, and high-frequency amplifier UHF module is equipped on the right side of the input circuit UHF module, described
Frequency changer circuit UHF module, the input circuit UHF module, high-frequency amplifier UHF mould are equipped on the right side of high-frequency amplifier UHF module
Block and frequency changer circuit UHF module are successively electrically connected, the input circuit UHF module left end and aerial signal coffret (2)
It is electrically connected.
3. the high-frequency tuner according to claim 2 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: being equipped with input circuit VHF module on the downside of the input circuit UHF module, the input circuit VHF right end electrically connects
Be connected to high-frequency amplifier VHF module, the high-frequency amplifier VHF module right end be electrically connected in put frequency mixing module, it is described in
Frequency mixing module and frequency changer circuit UHF module is put to be electrically connected, it is described in put frequency mixing module lower end and be electrically connected with local oscillation circuit VHF
Module, the input circuit VHF module left end and aerial signal coffret (2) are electrically connected.
4. the high-frequency tuner according to claim 2 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: further including low-noise amplifier, bandpass filter, frequency reducing amplified signal collection on the liquid tuner circuit plate (12)
At circuit and satellite channel converter ic.
5. the high-frequency tuner according to claim 3 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: putting frequency mixing module right end and the first branched line interface (3), the second branched line interface (4) and intermediate frequency in described
Modulator (5) is electrically connected, and the intermediate-freuqncy signal emission port (6) connect with intermediate frequency tributary signal receiver (7) signal.
6. the high-frequency tuner according to claim 1 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: being equipped with multiple liquid extension extended antennas (11) in the soft plastic substrate (9), the liquid extension extends day
Line (11) is fixedly connected with intermediate frequency omnidirectional antenna (8).
7. the high-frequency tuner according to claim 1 transmitted by coaxial cable and distribute Ku band satellite signal,
It is characterized in that: being equipped with piezoelectric ceramic piece and incentive probe, the piezoelectric ceramic piece and incentive probe in the IF modulator (5)
It is fixedly connected, incentive probe and intermediate-freuqncy signal emission port (6) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821647338.6U CN209046773U (en) | 2018-10-11 | 2018-10-11 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821647338.6U CN209046773U (en) | 2018-10-11 | 2018-10-11 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
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| Publication Number | Publication Date |
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| CN209046773U true CN209046773U (en) | 2019-06-28 |
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| CN201821647338.6U Active CN209046773U (en) | 2018-10-11 | 2018-10-11 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068076A (en) * | 2018-10-11 | 2018-12-21 | 珠海佳讯创新科技股份有限公司 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
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2018
- 2018-10-11 CN CN201821647338.6U patent/CN209046773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068076A (en) * | 2018-10-11 | 2018-12-21 | 珠海佳讯创新科技股份有限公司 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
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