CN107623867A - Have the top box of digital machine of positioning function and apply its satellite television receiving system - Google Patents
Have the top box of digital machine of positioning function and apply its satellite television receiving system Download PDFInfo
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- CN107623867A CN107623867A CN201610548007.6A CN201610548007A CN107623867A CN 107623867 A CN107623867 A CN 107623867A CN 201610548007 A CN201610548007 A CN 201610548007A CN 107623867 A CN107623867 A CN 107623867A
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Abstract
The invention discloses box set top box on a kind of digit number machine for having positioning function and its satellite television receiving system is applied, the satellite television receiving system includes satellite signal receiving apparatus and top box of digital machine.Satellite signal receiving apparatus includes satellite television tuner, satellite-positioning receiver and energy colligator.Satellite television tuner is receiving satellite TV signal；Satellite-positioning receiver is receiving satellite positioning signal；Energy colligator couples the satellite television tuner and the satellite-positioning receiver, to export after the satellite TV signal and the satellite positioning signal are merged into high-frequency signal.Top box of digital machine connects the satellite signal receiving apparatus via transmission line, the top box of digital machine receives the high-frequency signal from the transmission line, and from the high-frequency signal decode to should satellite TV signal satellite television data and to should satellite positioning signal location data, and when the location data meets authorization data, the satellite television data are exported for playing.
Description
Technical field
The invention relates to a kind of top box of digital machine (Set-up Box, STB) for having positioning function and defending using it
Star TV receiving system.
Background technology
Satellite television is a kind of technology for carrying out transmitting television program content through satellite.Due to satellite television reception less
It is vulnerable to the limitation of terrain and its features, therefore often applies at the rating family of remote districts.In general, user can pass through installing satellite day
Line, and the top box of digital machine that is provided of installation system dealer is to decode and watch satellite television programming.
In practical application, system dealer often considering based on policy or business, limitation user need to be in legal authorization
Area in provided satellite television programming could be provided.Therefore, how satellite TV reception end is effectively positioned,
It is one of problem that current industry is endeavoured to judge whether the rating family is located at the viewing areas of legal authorization.
The content of the invention
One of main object of the present invention is to provide a kind of top box of digital machine for having positioning function and applies its satellite
TV receiving system, using location data judge user whether in legal authorization can viewing areas.
According to an aspect of the invention, it is proposed that a kind of satellite television receiving system, including satellite signal receiving apparatus and
Top box of digital machine.Satellite signal receiving apparatus includes satellite television tuner, satellite-positioning receiver and energy colligator.Defend
Star television tuner is receiving satellite TV signal；Satellite-positioning receiver is receiving satellite positioning signal；Energy combines
Device couples the satellite television tuner and the satellite-positioning receiver, to by the satellite TV signal and the satellite fix
Signal exports after merging into high-frequency signal.Top box of digital machine connects the satellite signal receiving apparatus via transmission line, the teaching machine
Top box receives the high-frequency signal from the transmission line, and from the high-frequency signal solve to should satellite TV signal satellite television number
According to this and to should satellite positioning signal location data, and when the location data meets authorization data, export satellite electricity
Depending on data for broadcasting.
According to another aspect of the present invention, a kind of top box of digital machine, including receiving circuit and signal processing circuit are proposed.
Receiving circuit receives high-frequency signal to certainly outside satellite signal receiving apparatus.Signal processing circuit is to from the high-frequency signal
Satellite television data and location data are solved, and when the location data meets authorization data, exports the satellite television data
For playing.
More preferably understand to have to the above-mentioned and other aspect of the present invention, preferred embodiment cited below particularly, and coordinate attached
Figure, is described in detail below：
Brief description of the drawings
Fig. 1 illustrates the simplification block diagram of the satellite television receiving system according to one embodiment of the invention.
Fig. 2 illustrates the schematic diagram of the satellite signal receiving apparatus according to one embodiment of the invention.
Fig. 3 illustrates the schematic diagram of the satellite signal receiving apparatus according to another embodiment of the present invention.
Fig. 4 A, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 2 (satellite television tuner and satellite fix reception
Device coenosarc) a top box of digital machine.
Fig. 4 B, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner and satellite fix reception
Device is separately installed) a top box of digital machine.
Fig. 5 A, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 2 (satellite television tuner and satellite fix reception
Device coenosarc) a top box of digital machine.
Fig. 5 B, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner and satellite fix reception
Device is separately installed) a top box of digital machine.
Fig. 6 A, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 2 (satellite television tuner and satellite fix reception
Device coenosarc) a top box of digital machine.
Fig. 6 B, which are illustrated, connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner and satellite fix reception
Device is separately installed) a top box of digital machine.
Wherein, reference：
10：Satellite television receiving system 102：Satellite signal receiving apparatus
104、400、500、600：Top box of digital machine 106：Satellite television tuner
108：Satellite-positioning receiver 110：Energy colligator
112：Receiving circuit 114：Signal processing circuit
CB1、CB2：Transmission line DA：Disc-shaped antenna
202：Angle-regulation structure 402,504,604：Satellite tuner
404、506、608：Signal processing chip P, P1, P2：Signal receives pin position
502、602：Energy distributor B1：Processing television signals block
B2：Localization process block 606：Localization process circuit
Embodiment
Herein, some embodiments of the present invention are carefully described referring to the drawings, but not all embodiment has table
Show in the example shown.In fact, a variety of different deformations can be used in these inventions, and it is not limited to embodiment herein.Relatively
, the present invention provides these embodiments to meet the legal requirements of application.Identical reference symbol is used for representing identical in accompanying drawing
Or similar element.
Fig. 1 is refer to, it illustrates the simplification block diagram of the satellite television receiving system 10 according to one embodiment of the invention.Defend
Star TV receiving system 10 includes satellite signal receiving apparatus 102 and top box of digital machine 104.Satellite signal receiving apparatus 102
And it is electrical connected between top box of digital machine 104 through transmission line CB1 (such as coaxial cable).
Satellite signal receiving apparatus 102 is mainly responsible for receiving the signal from satellite in the sky.Satellite signal receiving apparatus 102
Including satellite television tuner 106, satellite-positioning receiver 108 and energy colligator 110.
Satellite television tuner 106 is receiving satellite TV signal.Satellite television tuner 106 can be considered that a satellite is believed
Number frequency demultiplier, can be down to relatively low frequency (such as 0.9~1.5GHz) by the satellite TV signal of hyperfrequency (such as 10~12GHz).
In general, satellite television tuner 106 can be erected in the focus of teledish, it is anti-with the parabola through disc-shaped antenna
Penetrate, collected larger satellite TV signal.Due to be responsible for broadcast satellite television programming satellite be synchronous satellite, its relative to
The angle on ground is fixed, therefore, only need to suitably adjust the receiving angle of teledish, make it towards synchronous satellite, you can
Efficiently receive satellite TV signal.
Satellite-positioning receiver 108 is receiving satellite positioning signal.Satellite-positioning receiver 108 is applicable to one or more
Individual global position system, such as global positioning system (Global Positioning System, GPS), big-dipper satellite positioning system
System, GALILEO positioning system (Galileo), GLONASS alignment system (GLONASS) etc..The satellite fix system according to used by
The difference of system, the frequency of satellite positioning signal may also be different.In an example, the frequency of satellite positioning signal is e.g., from about
1.5GHz。
Different from satellite television tuner 106, there are satellite-positioning receiver 108 independent antenna modules (to include as defended
Star positions antenna and low-noise amplifier (Low Noise Amplifier, LNA)), it can receive and determine from corresponding alignment system
The satellite positioning signal of position satellite.In general, satellite-positioning receiver 108 need to detect the positioning of sufficient amount (such as 4)
Satellite, received satellite positioning signal is just enough to allow back-end circuit to solve address information, such as longitude and latitude coordinate.
The teledish being contemplated for satellite TV signal may come from part side because being shielded setting the relation of angle
To satellite positioning signal, satellite-positioning receiver 108 can not be detected sufficient amount of position location satellite and cause positioning to lose
Losing, the satellite-positioning receiver 108 of the embodiment of the present invention can adjust its receiving angle independently of satellite television tuner 106,
To improve the effect for receiving satellite positioning signal.Correlative detail will coordinate Fig. 2 and Fig. 3 to be described.
Energy colligator (power combiner) 110 couples satellite television tuner 106 and satellite-positioning receiver
108, to export after the satellite TV signal received and satellite positioning signal are merged into high-frequency signal.Furtherly,
Signal from satellite television tuner 106 and satellite-positioning receiver 108 this two-way can be coupled into by energy colligator 110
One high-frequency signal, then exported through transmission line CB1 to top box of digital machine 104.In one embodiment, top box of digital machine 104 also may be used
Satellite television tuner 106 and satellite-positioning receiver 108 are given through transmission line CB1 power supplies (such as 13V/18V).
Make to amplify because satellite television tuner 106 is mainly responsible for the satellite TV signal that receives of docking, frequency reducing, fixed frequency
Deng processing, and satellite-positioning receiver 108 is then responsible for receiving satellite positioning signal, satellite television tuner 106 and satellite
Position receiver 108 be neither related to signal is decoded/demodulated with obtain corresponding data (such as content of TV program, longitude and latitude believe
Breath etc.) operation, therefore either satellite TV signal, satellite positioning signal be still by both foregoing synthesized high-frequency signals,
All it is the signal for being not yet decoded/demodulating.Related decoding/demodulation operation, it is all unified to be performed by top box of digital machine 104.
Top box of digital machine 104 includes receiving circuit 112 and signal processing circuit 114.Receiving circuit 112 is responsible for through biography
Defeated line CB1 receives high-frequency signal from outside satellite signal receiving apparatus 102.Signal processing circuit 114 is then responsible for foundation and connect
The output for receiving circuit 112 decodes the correspondence satellite television data (such as satellite television programming content) of satellite TV signal and right
Answer the location data (such as longitude and latitude, address coordinate) of satellite positioning signal, and meet authorization data in location data and (such as close
The coordinate data of method mandate viewing areas) when, output satellite TV data is for broadcasting.For example, top box of digital machine 104 is more
Television set is connected to, when top box of digital machine 104 judges that residing address coordinate belongs to the viewing areas of legal authorization, numeral
Set top box 104 is by output satellite TV data to television set for broadcasting.If conversely, top box of digital machine 104 judge it is residing
Address coordinate is not to belong to the viewing areas of legal authorization, top box of digital machine 104 will not output satellite TV data for broadcasting
Put.
In one embodiment, top box of digital machine 104 can first solve an authorization data from satellite TV signal, or from one
Database obtains authorization data, then compares whether solved location data is consistent with authorization data, if location data is with authorizing
Data are consistent, then export the satellite television data that solve for playing, if conversely, both are not consistent, not output satellite TV
Data.
Fig. 2 illustrates the schematic diagram of the satellite signal receiving apparatus according to one embodiment of the invention.For convenience of understanding, Ben Tu with
In following other accompanying drawings, partly identical component symbol is used with the same or like person of element shown in Fig. 1.
In this embodiment, satellite television tuner 106 and satellite-positioning receiver 108 are coenosarc, wherein satellite television
Tuner 106 is fixed towards disc-shaped antenna DA to collect satellite TV signal, and satellite-positioning receiver 108 be then can be independently of
Satellite television tuner 106 makees angle adjustment.
As shown in Fig. 2 rotatably (rotatable) configures in satellite television tuner 106 satellite-positioning receiver 108
On, satellite-positioning receiver 108 is made angle adjustment independently of satellite television tuner 106.For example, satellite television is high
Frequency first 106 is provided with angle-regulation structure 202, and it is made up of elements such as axle center, geometrical clamps, is available for satellite-positioning receiver
108 along one or more axle center to carry out angle adjustment.So the present invention is not limited thereto, and satellite-positioning receiver 108 also can be saturating
Cross other movable (rotatable and/or translatable) pedestals and be installed on satellite television tuner 106, so that user adjusts satellite
The angle of location receivers 108.
Fig. 3 illustrates the schematic diagram of the satellite signal receiving apparatus according to another embodiment of the present invention.In this embodiment, defend
Star television tuner 106 is separately set up with satellite-positioning receiver 108, between the two and with transmission line CB2 (such as coaxial cable)
It is connected.
Energy colligator (such as energy colligator 110) may be provided at satellite television tuner 106 or satellite-positioning receiver
Inside 108.If building satellite television tuner 106 in energy colligator in, satellite-positioning receiver 108 will transmit through transmission line CB2,
By the satellite positioning signal received export to position the transmission line CB2 other ends energy colligator, to produce high-frequency signal simultaneously
Through another transmission line (such as transmission line CB1) output to top box of digital machine (such as top box of digital machine 104).Conversely, if energy combines
It build satellite-positioning receiver 108 in device in, satellite television tuner 106 will transmit through transmission line CB2, the satellite television that will be received
Signal output to position the transmission line CB2 other ends energy colligator, with produce high-frequency signal and through another transmission line export
To top box of digital machine.
Due to satellite-positioning receiver 108 in this embodiment and it is not required to be fixed to satellite television tuner 106, therefore can increases
Add the elasticity of installation, also can further reduce the influence that disc-shaped antenna DA receives to signal.
Satellite signal receiving apparatus example shown in above-mentioned Fig. 2 and Fig. 3 is applicable to the numeral of different embodiments of the invention
Set top box.Hereinafter, accompanying drawing 4A~4B, 5A~5B and 6A~6B will be coordinated to explain.
Fig. 4 A illustrate connection satellite signal receiving apparatus as shown in Figure 2, and (satellite television tuner 106 connects with satellite fix
Receive device 108 coenosarc) a top box of digital machine 400.In Fig. 4 A example, the receiving circuit of top box of digital machine 400 is (as received
Circuit 112) and signal processing circuit (such as signal processing circuit 114) include satellite tuner (satellite respectively
Tuner) 402 and signal processing chip 404.Satellite tuner 402 is responsible for carrying out the high-frequency signal for receiving the defeated line CB1 of autobiography
Such as Gain tuning and down conversion process, with fundamental frequency signal in producing one (for example, inphase/orthogonal signal is to (i.e. i/q signal to)).
In one embodiment, satellite tuner 402 includes local oscillator and frequency mixer, and satellite tuner 402 is controllable
Local oscillator processed switches on different frequency in different periods, so that high-frequency signal is converted into corresponding satellite television in first period
Fundamental frequency signal in the first of signal component, and high-frequency signal is converted into the of corresponding satellite positioning signal composition in the second phase
Fundamental frequency signal in two.Signal processing chip 404 can make satellite TV signal processing (as being directed to signal to fundamental frequency signal in first
Decoding/demodulation process) with satellite television data corresponding to acquisition, and fundamental frequency signal in second is made SPS signal processing with
Location data corresponding to acquisition.
In another embodiment, the receiving circuit of top box of digital machine 400 includes multiple satellite tuners 402, with respectively by height
Frequency signal is converted into the middle fundamental frequency signal of corresponding satellite TV signal composition and satellite positioning signal composition.
There is signal processing chip 404 signal to receive pin position P.Signal processing chip 404 can receive pin position P via signal and connect
The middle fundamental frequency signal from satellite tuner 402 is received, to produce satellite television data and location data.Furtherly, this reality
The signal processing chip 404 for applying example integrates the function of satellite television decoding chip and satellite fix decoding chip, can be to receiving
To middle fundamental frequency signal carry out satellite television decoding and satellite fix decoding, with satellite television data corresponding to generation and fixed
Position data.Signal processing chip 404 for example with a decision logic, can determine whether location data meets authorization data, with
Output satellite TV data is for broadcasting when judgement meets.
Top box of digital machine 400 connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner 106 and satellite
Location receivers 108 are separately installed) when schematic diagram as shown in Figure 4 B, correlative detail does not repeat separately.
Fig. 5 A illustrate connection satellite signal receiving apparatus as shown in Figure 2, and (satellite television tuner 106 connects with satellite fix
Receive device 108 coenosarc) a top box of digital machine 500.In Fig. 5 A example, the receiving circuit of top box of digital machine 500 is (as received
Circuit 112) it may include energy distributor (power divider) 502 and satellite tuner 504, and signal processing circuit is (such as
Decoding circuit 114) include signal processing chip 506.It will be appreciated that the present invention is not limited thereto, receiving circuit can more wrap
Include low-noise amplifier and/or other be applied to receiving circuit element.
Energy distributor 502 by the high-frequency signal received from transmission line CB1 being divided into first composition signal and second
Size and phase difference relation between twocomponent signal, wherein first composition signal and second composition signal are by energy distributor
502 element characteristic determines.For example, energy distributor 502 can be by high-frequency signal according to certain proportion (such as 1:1) is split into
One twocomponent signal and second composition signal, to be respectively used to solve satellite television data and solve address data.
One end of the couples energy distributor 502 of satellite tuner 504, to carry out such as Gain tuning to first composition signal
And down conversion process, signal transacting is carried out with signal processing chip 506 of the fundamental frequency signal in generation for rear end.
The first signal that signal processing chip 506 has coupling satellite tuner 504 receives pin position P1 and couples energy
The secondary signal of the other end of distributor 502 receives pin position P2.Signal processing chip 506 receives pin position P1 via the first signal and received
Middle fundamental frequency signal from satellite tuner 504, satellite television data are produced with decoding.Signal processing chip 506 is separately via
Binary signal receives pin position P2 and receives the second composition signal from energy distributor 502, to produce location data.
As shown in Figure 5A, signal processing chip 506 includes processing television signals block B1 and localization process block B2, its
Middle processing television signals block B1 is responsible for solving the middle fundamental frequency signal from the first signal reception pin position P1 to produce satellite television
Data, and position treatment region block B2 and be responsible for solving the second composition signal from secondary signal reception pin position P2 to produce positioning number
According to.
In one embodiment, processing television signals block B1 can compare the positioning number solved for example with a decision logic
According to whether authorization data is met, with the output satellite TV data when judging to meet.So the present invention is not limited thereto, and described sentences
Disconnected logic can combine with processing television signals block B1 and/or localization process block B2, or be independently arranged.
Top box of digital machine 500 connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner 106 and satellite
Location receivers 108 are separately installed) when schematic diagram as shown in Figure 5 B, right correlative detail does not repeat separately.
Fig. 6 A illustrate connection satellite signal receiving apparatus as shown in Figure 2, and (satellite television tuner 106 connects with satellite fix
Receive device 108 coenosarc) a top box of digital machine 600.The top box of digital machine 600 of the present embodiment and the top box of digital machine shown in Fig. 5 A
500 main difference is that, in top box of digital machine 600 be responsible for decoding produce location data circuit be responsible for decoding produce satellite electricity
Chip depending on data is each independent.
The receiving circuit (such as receiving circuit 112) of top box of digital machine 600 includes energy distributor 602 and satellite tuner
604, and signal processing circuit (such as signal processing circuit 114) includes localization process circuit 606 and processing television signals chip
608。
Energy distributor 602 is responsible for the high-frequency signal received from transmission line CB1 splitting into first composition according to certain proportion
Signal and second composition signal.
One end of the couples energy distributor 602 of satellite tuner 604, to carry out such as Gain tuning to first composition signal
And down conversion process, with fundamental frequency signal in generation.
The other end of the couples energy distributor 602 of localization process circuit 606, to be carried out to second composition signal at signal
Reason, to produce location data.
Signal processing chip 608 receives pin position P1 via the first signal and receives the middle fundamental frequency letter from satellite tuner 604
Number, to produce satellite television data.Signal processing chip 606 separately receives pin position P2 receptions via secondary signal and comes from localization process
The location data of circuit 606.After location data is received, signal processing chip 608 will transmit through decision logic and compare location data
Whether authorization data is met, with the output satellite TV data when judging to meet.
Top box of digital machine 600 connects satellite signal receiving apparatus as shown in Figure 3 (satellite television tuner 106 and satellite
Location receivers 108 are separately installed) when schematic diagram as shown in Figure 6B, right correlative detail does not repeat separately.
In summary, the top box of digital machine of tool positioning function proposed by the present invention and its satellite TV reception system of application
System, using location data judge user whether be in legal authorization can viewing areas.Satellite-positioning receiver in system
Angle adjustment can be made independently of satellite television tuner, to improve the effect for receiving satellite positioning signal.The satellite received
Position signal and satellite TV signal can merge is sent to top box of digital machine via same signal path, then unified by teaching machine top
Box is decoded to obtain satellite television data and location data.Top box of digital machine more can be by comparison location data with authorizing
Whether data are consistent, to judge whether output satellite content of TV program for playing.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention.Skill belonging to the present invention
The technical staff in art field, without departing from the spirit and scope of the present invention, when various change and modification can be made.Therefore, originally
The protection domain of invention is worked as to be defined depending on appended claims protection domain institute defender.
Claims (11)
- A kind of 1. satellite television receiving system, it is characterised in that including：One satellite signal receiving apparatus, including：One satellite television tuner, to receive a satellite TV signal；One satellite-positioning receiver, to receive a satellite positioning signal；AndOne energy colligator, the satellite television tuner and the satellite-positioning receiver are coupled, the satellite television to be believed Number and the satellite positioning signal merge into a high-frequency signal after export；AndOne top box of digital machine, the satellite signal receiving apparatus is connected via a transmission line, the top box of digital machine connects from the transmission line Receive the high-frequency signal, and from the high-frequency signal solve to should satellite TV signal a satellite television data and to that should defend One location data of star positioning signal, the and when location data meets an authorization data, export the satellite television data for Play.
- 2. satellite television receiving system as claimed in claim 1, it is characterised in that the satellite-positioning receiver is rotatably matched somebody with somebody Put on the satellite television tuner, the satellite-positioning receiver is made angle adjustment independently of the satellite television tuner.
- 3. satellite television receiving system as claimed in claim 1, it is characterised in that the satellite television tuner and the satellite Position receiver is provided separately, and is electrical connected through another transmission line.
- 4. satellite television receiving system as claimed in claim 1, it is characterised in that the top box of digital machine includes：One receiving circuit, including：One satellite tuner, to carry out Gain tuning and down conversion process to the high-frequency signal, with fundamental frequency signal in generation one；With AndOne signal processing circuit, including：One signal processing chip, there is a signal to receive pin position, the signal processing chip receives the reception of pin position via the signal should Middle fundamental frequency signal, to produce the satellite television data and the location data, the signal processing chip also judges the location data Whether the authorization data is met, to export the satellite television data when judging and meeting for playing.
- 5. satellite television receiving system as claimed in claim 1, it is characterised in that the top box of digital machine includes：One receiving circuit, including：One energy distributor, the high-frequency signal is divided into a first composition signal and a second composition signal；AndOne satellite tuner, one end of the energy distributor is coupled, to carry out Gain tuning and drop to the first composition signal Frequency is handled, with fundamental frequency signal in generation one；AndOne signal processing circuit, including：One signal processing chip, there is one first signal for coupling the satellite tuner to receive pin position and couple energy distribution One secondary signal of the device other end receives pin position, and the signal processing chip receives pin position via first signal and receives fundamental frequency in this Signal, to produce the satellite television data, and receive pin position via the secondary signal and receive the second composition signal, be somebody's turn to do with producing Location data, the signal processing chip also judge whether the location data meets the authorization data, to be exported when judging and meeting The satellite television data are for broadcasting.
- 6. satellite television receiving system as claimed in claim 1, it is characterised in that the top box of digital machine includes：One receiving circuit, including：One energy distributor, the high-frequency signal is divided into a first composition signal and a second composition signal；AndOne satellite tuner, one end of the energy distributor is coupled, to carry out Gain tuning and drop to the first composition signal Frequency is handled, to produce fundamental frequency signal in this；AndOne signal processing circuit, including：One positioning process circuit, the other end of the energy distributor is coupled, to be decoded to the second composition signal, with production The raw location data；AndOne signal processing chip, there is one first signal for coupling the satellite tuner to receive pin position and couple the localization process One secondary signal of circuit receives pin position, and the signal processing chip receives pin position via first signal and receives fundamental frequency letter in this Number, to produce the satellite television data, and receive pin position via the secondary signal and receive the positioning number from the localization process circuit According to judge whether the location data meets the authorization data, to export the satellite television data when judging and meeting for broadcasting Put.
- 7. satellite television receiving system as claimed in claim 1, it is characterised in that the top box of digital machine is via the transmission line pair The satellite television tuner and the satellite-positioning receiver are powered.
- A kind of 8. top box of digital machine, it is characterised in that including：One receiving circuit, to receive a high-frequency signal from an outside satellite signal receiving apparatus；AndOne signal processing circuit, to decode a satellite television data and a location data from the high-frequency signal, and in this When location data meets an authorization data, the satellite television data are exported for playing.
- 9. top box of digital machine as claimed in claim 8, it is characterised in that the receiving circuit includes：One satellite tuner, to carry out Gain tuning and down conversion process to the high-frequency signal, with fundamental frequency signal in generation one；The signal processing circuit includes：One signal processing chip, there is the signal processing chip signal for coupling the satellite tuner to receive pin position, to connect Fundamental frequency signal in this is received, the signal processing chip decodes in this fundamental frequency signal to produce the satellite television data and the positioning number According to, and judge whether the location data meets the authorization data, to export the satellite television data when judging and meeting for broadcasting Put.
- 10. top box of digital machine as claimed in claim 8, it is characterised in that the receiving circuit includes：One energy distributor, the high-frequency signal is divided into a first composition signal and a second composition signal；AndOne satellite tuner, one end of the energy distributor is coupled, to carry out Gain tuning and drop to the first composition signal Frequency is handled, with fundamental frequency signal in generation one；The signal processing circuit includes：One signal processing chip, there is one first signal for coupling the satellite tuner to receive pin position and couple energy distribution One secondary signal of the device other end receives pin position, and the signal processing chip receives pin position via first signal and receives fundamental frequency in this Signal, to produce the satellite television data, and receive pin position via the secondary signal and receive the second composition signal, be somebody's turn to do with producing Location data, the signal processing chip also judge whether the location data meets the authorization data, to be exported when judging and meeting The satellite television data are for broadcasting.
- 11. top box of digital machine as claimed in claim 8, it is characterised in that the receiving circuit includes：One energy distributor, the high-frequency signal is divided into a first composition signal and a second composition signal；AndOne satellite tuner, the energy distributor is coupled, to carry out Gain tuning and down conversion process to the first composition signal, With fundamental frequency signal in generation one；The signal processing circuit includes：One positioning process circuit, the other end of the energy distributor is coupled, to be decoded to the second composition signal, with production The raw location data；AndOne signal processing chip, there is one first signal for coupling the satellite tuner to receive pin position and couple the localization process One secondary signal of circuit receives pin position, and the signal processing chip receives pin position via first signal and receives fundamental frequency letter in this Number, the satellite television data are produced with decoding, and receive this from the localization process circuit via secondary signal reception pin position and determine Position data, to judge whether the location data meets the authorization data, with judge meet when export the satellite television data with For playing.
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| CN201610548007.6A CN107623867A (en) | 2016-07-13 | 2016-07-13 | Have the top box of digital machine of positioning function and apply its satellite television receiving system |
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| CN201610548007.6A CN107623867A (en) | 2016-07-13 | 2016-07-13 | Have the top box of digital machine of positioning function and apply its satellite television receiving system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109413419A (en) * | 2018-12-13 | 2019-03-01 | 湖南国科微电子股份有限公司 | Set-top box Beidou receptivity test device and method |
| CN109587473A (en) * | 2018-12-04 | 2019-04-05 | 安徽站乾科技有限公司 | A kind of self detection device of the failure of satellite TV system |
| CN111131797A (en) * | 2019-12-27 | 2020-05-08 | 深圳市北斗万方信息技术有限公司 | Positioning method, signal processing method and digital video conversion device |
| CN111314753A (en) * | 2019-12-27 | 2020-06-19 | 深圳市北斗万方信息技术有限公司 | Signal processing method, digital video conversion device and low noise down converter |
| CN111314752A (en) * | 2019-12-27 | 2020-06-19 | 深圳市北斗万方信息技术有限公司 | Low-noise down converter and signal processing method |
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| CN109413419A (en) * | 2018-12-13 | 2019-03-01 | 湖南国科微电子股份有限公司 | Set-top box Beidou receptivity test device and method |
| CN109413419B (en) * | 2018-12-13 | 2020-05-26 | 湖南国科微电子股份有限公司 | Set top box Beidou receiving performance testing device and method |
| CN111131797A (en) * | 2019-12-27 | 2020-05-08 | 深圳市北斗万方信息技术有限公司 | Positioning method, signal processing method and digital video conversion device |
| CN111314753A (en) * | 2019-12-27 | 2020-06-19 | 深圳市北斗万方信息技术有限公司 | Signal processing method, digital video conversion device and low noise down converter |
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| CN111314752B (en) * | 2019-12-27 | 2023-12-01 | 深圳市北斗万方信息技术有限公司 | Low-noise down converter and signal processing method |
| CN111314753B (en) * | 2019-12-27 | 2024-02-20 | 深圳市北斗万方信息技术有限公司 | Signal processing method, digital video conversion device and low noise down converter |
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