CN101207725A - GPS addressing identification method of digital television and satellite signal receiving device thereof - Google Patents
GPS addressing identification method of digital television and satellite signal receiving device thereof Download PDFInfo
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- CN101207725A CN101207725A CNA2006101678328A CN200610167832A CN101207725A CN 101207725 A CN101207725 A CN 101207725A CN A2006101678328 A CNA2006101678328 A CN A2006101678328A CN 200610167832 A CN200610167832 A CN 200610167832A CN 101207725 A CN101207725 A CN 101207725A
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Abstract
A satellite signal receiving device comprises a satellite frequency demultiplier, a GPS chip and a transmitting controller; the satellite frequency demultiplier outputs the satellite signals to the transmitting controller after the satellite signals are processed into fundamental frequency signals by the demultiplier, the GPS chip outputs a GPS signal to the transmitting controller after the GPS signal is processed into address data by being encrypted by a scrambler, and after the transmitting controller transforms and processes the address data into an analog signal, the analog signal is output together with the fundamental frequency signals; after the address data of the analog modal is transformed in to the digital format by an upper box of a digital engine, the GPS signal is processed by the coding and is compared with the system authorized address contained in the satellite signals, if the GPS signal is in accordance with the system authorized address, the digital television signals which are authorized to broadcast by a satellite television system terminal are output.
Description
Technical field
The present invention is relevant with satellite signal receiving apparatus, is meant a kind of satellite signal receiving apparatus of the GPS of having addressing function especially, and the identification qualified address is with the method for output Digital Television.
Background technology
Progress along with Information technology, the communication transmission technology of satellite-signal is universalness day by day, make the relevant application product of the multiple people's livelihood such as GPS and satellite digital TV etc. extensively for popular used, especially under the step of Digital Television globalization, the triangular web dealer often can utilize on the satellite orbit many satellite, make global most satellite receive the user and all can receive the digital television signal that it provides, the then general receiving system 1 as shown in Figure 1 of the system of client receiving digital television wherein, be located at an outdoor satellite antenna 10 comprising having, one frequency demultiplier (LowNoise Block-downconvertor, LNB) 11 and be located at box (Set-Top-Box on the indoor teaching machine of user, STB) 12, after satellite antenna 10 is collected the satellite-signal that the pairing commercial satellite of system end sends, 11 of satellite frequency demultipliers receive the amplification that this satellite-signal is incited somebody to action, frequency reducing, after filtering and fixed frequency wait and handle, the fundamental frequency signal that can send multiband box 12 to the teaching machine is about to the available digital TV channel output of the dealer of system and watches for receiving the user after demodulation and digital processing.
Consider down with the coml economic interests, system dealer can limit the reception user and need just can receive under its legal authorization the digital television signal that is provided is provided, therefore have the processor of judging system authorization in the box being on teaching machine, the authorization code of being carried secretly in the satellite-signal of sending with system end is made comparisons, and judges whether just can export Digital Television for the use of legal authorization; For the satellite TV system dealer who has multi-satellite, be to have the ability to provide Digital Television to be played in the receivable zone of its satellite-signal, all parts of the world, certainly the channel program in each district can be different because of regional difference, and also can be based on different expenses standards at each regional Digital Television of playing of authorizing, thus, as long as tape is to other zone on the teaching machine that client will have been authorized, that is the receivable any zone of the pairing satellite-signal of the dealer of system, the Digital Television that can watch this zone to play equally then, therefore can only pay originally that box sells the broadcast expense on ground and has higher expenses standard zone to watch this regional digital TV channel in other on the teaching machine, though for the dealer of system, this client is still treated as and is play other regional television channel without permission, but on the teaching machine that uses because of client also box built-in for the hardware of licensing powerless.
Summary of the invention
Therefore, main purpose of the present invention is to be to provide a kind of satellite signal receiving apparatus, and the GPS addressing identification method of using a kind of Digital Television of this satellite signal receiving apparatus, make the satellite TV system end can limit satellite television and receive user's digital television signal that only the box broadcast is provided on teaching machine in specific zone.
Take off purpose for before reaching, a kind of satellite signal receiving apparatus provided by the present invention is characterized in that, includes:
One satellite frequency demultiplier has one and receives a bugle and a signal output part group, and this receives the satellite-signal of bugle in order to receiving digital television, and this satellite frequency demultiplier is exported by this signal output part group after this satellite-signal is become fundamental frequency signal with down conversion process;
One satellite addressing system chip has an antenna, an address encryption assembly and a digital output end group, and this antenna becomes an address details through this address encryption assembly with the scrambler encryption in order to receive gps signal, by this digital output end group output; And,
One transmission control unit (TCU), have a high frequency input terminal group, a digital input end group and an analog output group, this high frequency input terminal group electrically connects the signal output part group of this satellite frequency demultiplier to receive this fundamental frequency signal, this digital input end group electrically connects the digital output end group of this satellite addressing system chip to receive this address details, and this transmission control unit (TCU) is exported by this analog output group with this fundamental frequency signal is mixed after this address details conversion process is become analog signal.
Wherein also have a memory device in this satellite addressing system chip, electrically connect this address encryption assembly, this memory device stores can be for the scrambler program of this address encryption assembly with the encryption of gps signal scrambler.
Wherein this transmission control unit (TCU) is a digital satellite device controller of DiSEqC transmission standard.
This transmission control unit (TCU) has more an analogue transmission district, electrically connect this high frequency input terminal group and this analog output group, this analogue transmission district is that specific transmission line cabling laying is passed through for analog signal, so this fundamental frequency signal can be exported from this analog output group by this analogue transmission district with the analog format signal of this address details is mixed.
The GPS addressing identification method of a kind of Digital Television of the present invention makes the satellite TV system end can limit satellite television and receives user's digital television signal that only the box broadcast is provided on teaching machine in specific zone, it is characterized in that, includes following method:
A, send the satellite-signal of Digital Television, include a system authorization address in this satellite-signal by above-mentioned satellite TV system end;
B, provide a satellite signal receiving apparatus, receive this satellite-signal and this satellite-signal is handled box on the above-mentioned teaching machine of back input;
C, this satellite signal receiving apparatus receive the user position with above-mentioned satellite television and handle out a gps signal through the GPS addressing, and are treated as an address details with what scrambler was encrypted, export this address details on this teaching machine box then;
Box goes out this gps signal with this address details through decoding and deciphering reprocessing on d, this teaching machine, and the system authorization address of this gps signal and this satellite-signal made comparisons, if this gps signal meets this system authorization address, the then exportable above-mentioned digital television signal of box on this teaching machine.
Wherein this satellite-signal is to be processed into fundamental frequency signal via frequency reducing and fixed frequency to export this satellite signal receiving apparatus among the step b.
Wherein this address details is to become the analogue transmission specification to be received by box on this teaching machine through digital-to-analogue conversion among the step c.
Wherein in the steps d on this teaching machine box the analogue transmission specification of this address details is changed back this address details of specification numbers through analog digital.
Wherein the analogue transmission specification of this address details is to export box on this teaching machine with this satellite-signal is mixed to by a coaxial transmission line among the step c.
Therefore after receiving the address details of fundamental frequency signal that this analog output group exported and analog format with box on the teaching machine, after this address details of analog form can being converted to number format by the digital signal processor in the box on the teaching machine, this address details is handled out this gps signal through decoding, and the system authorization address that includes in this gps signal and this satellite-signal made comparisons, if this gps signal meets this system authorization address, the digital television signal of the then exportable satellite TV system broadcast that end is authorized of box on this teaching machine is not if meet then and can't play.
Description of drawings
Below, cooperate some graphic preferred embodiments of enumerating now, in order to composition member of the present invention and effect are described further, wherein used each graphic brief description is as follows:
Fig. 1 is the device schematic diagram of existing receiving system;
Fig. 2 is that the device of most preferred embodiment provided by the present invention is used schematic diagram;
Fig. 3 is the application apparatus schematic diagram between the box on above-mentioned most preferred embodiment and the teaching machine;
Fig. 4 is the application circuit schematic diagram between the box on above-mentioned most preferred embodiment and the teaching machine;
Fig. 5 is the flow chart of addressing identification method that above-mentioned most preferred embodiment provides.
Embodiment
See also shown in Figure 2, be to be applied to installing framework in the digital TV receiving system 2 for most preferred embodiment of the present invention provides a satellite signal receiving apparatus 20,2 of this digital TV receiving systems have as existing satellite antenna 10, box 30 on this satellite signal receiving apparatus 20 and the teaching machine, see also as shown in Figure 3, this satellite signal receiving apparatus 20 includes a satellite frequency demultiplier (LNB) 21, one transmission control unit (TCU) 22 and satellite addressing system (GPS) chip 23, box 30 is arranged in this transmission control unit (TCU) 22 by a coaxial transmission line 301 on this teaching machine, identical on the hardware configuration with box 12 on the existing teaching machine, different person only different functional operations is arranged by between the built-in translator of box on this teaching machine 30 and this satellite signal receiving apparatus 20, see also as shown in Figure 4, below more use and be further described at the built-in function structure of this satellite signal receiving apparatus 20 and the function in this digital TV receiving system 2:
This satellite frequency demultiplier 21 has reception bugle (feed horn) 211, one frequency down circuit 212 and a signal output part group 213 that electrically connects in regular turn, this reception bugle 211 is in order to receiving satellite signal, and generation has the high frequency electromagnetic wave signal of particular polarization direction, through the processing such as amplification, frequency reducing, filtering and fixed frequency of this frequency down circuit 212, the fundamental frequency signal of particular polarization direction and frequency range is arranged by these signal output part group 213 outputs then.
This transmission control unit (TCU) 22 is for being applied to the signal switch controller of this satellite frequency demultiplier 21, general digital satellite device controller (Digital SatelliteEquipment Controller on the present industry so that specific transmission specification to be arranged, DiSEqC) as using, has a control chip 220, one digital input end group 221, one high frequency input terminal group 222, an one analogue transmission district 223 and an analog output group 224, this digital input end group 221 electrically connects this control chip 220, available with external peripheral device and receive the numerical data that peripheral device is exported, therefore the numerical data exported of the peripheral device analog form that promptly is converted to the DiSEqC specification via this control chip 220 transfers to this analogue transmission district 223, this analogue transmission district 223 electrically connects this control chip 220, and electrically connect the signal output part group 213 of these satellite frequency demultipliers 21 by this high frequency input terminal group 222, this analogue transmission district 223 has specific transmission line cabling to lay, after these control chip 220 these satellite frequency demultipliers 21 of control switch the fundamental frequency signal of selected polarised direction and frequency range, can be mixed by this analogue transmission district 223 with the analogue transmission specification signal that this control chip 220 is changed out, and these analog output group 224 outputs certainly.
This GPS chip 23 has an antenna 231, an address encryption assembly 232, a memory device 233 and a digital output end group 234, this address encryption assembly 232 is to electrically connect this antenna 231, memory device 233 and digital output end group 234, this antenna 231 is in order to receive gps signal, this address encryption assembly 232 reads the built-in scrambler program of this memory device 233 the gps signal of addressing being made scrambler and encryption becomes address details by cooperating, and exports this transmission to by this digital output end group 234 and control 22 digital input end group 221.
Therefore as long as have and to make scrambler and encrypted program to gps signal in the memory device 233 of this GPS chip 23 in this satellite signal receiving apparatus 20, and the memory device 33 of box 30 has corresponding translator in also on this teaching machine, send the satellite-signal of the Digital Television that contains a system authorization address when the satellite TV system end after, then the satellite antenna 10 by this digital TV receiving system 2 is received, and carries out following address identification step:
The satellite frequency demultiplier 21 of this satellite signal receiving apparatus 20 is handled out the fundamental frequency signal of particular polarization direction and frequency range, and exports box 30 on this teaching machine to by the analogue transmission district 223 of this transmission control unit (TCU) 22;
The GPS chip 23 of this satellite signal receiving apparatus 20 is handled out a gps signal with the position through the GPS addressing, and with the digital input end group 221 that an address details exports this transmission control unit (TCU) 22 to that is treated as of scrambler and encryption;
The control chip 220 of this transmission control unit (TCU) 22 converts this address details the analog form of specific standard to through digital-to-analog, and exports box 30 on this teaching machine to by this analogue transmission district 223;
After the digital signal processor 32 of box 30 is converted to number format with the address details of this analog form on this teaching machine, read in this memory device 323 built-in translator, this address details is gone out this gps signal through the decoding reprocessing, and the system authorization address of being carried secretly in this gps signal and this satellite-signal made comparisons, if this gps signal meets this system authorization address, the digital television signal of 30 exportable satellite TV system broadcasts that end is authorized of box on this teaching machine is not if meet then and can't play.
Therefore this satellite signal receiving apparatus provided by the present invention and use the GPS addressing identification method of this satellite signal receiving apparatus, make the satellite TV system end can limit satellite television and receive user's digital television signal that only the box broadcast is provided on teaching machine in specific zone, effectively restriction receives client at unwarranted this regional digital television signal of zone broadcast.
Only, above-described, only be preferable possible embodiments of the present invention, so the equivalent structure that every application specification of the present invention and claim are done changes, ought to be included in the claim of the present invention.
Claims (9)
1. a satellite signal receiving apparatus is characterized in that, includes:
One satellite frequency demultiplier has one and receives a bugle and a signal output part group, and this receives the satellite-signal of bugle in order to receiving digital television, and this satellite frequency demultiplier is exported by this signal output part group after this satellite-signal is become fundamental frequency signal with down conversion process;
One satellite addressing system chip has an antenna, an address encryption assembly and a digital output end group, and this antenna becomes an address details through this address encryption assembly with the scrambler encryption in order to receive gps signal, by this digital output end group output; And,
One transmission control unit (TCU), have a high frequency input terminal group, a digital input end group and an analog output group, this high frequency input terminal group electrically connects the signal output part group of this satellite frequency demultiplier to receive this fundamental frequency signal, this digital input end group electrically connects the digital output end group of this satellite addressing system chip to receive this address details, and this transmission control unit (TCU) is exported by this analog output group with this fundamental frequency signal is mixed after this address details conversion process is become analog signal.
2. according to claim 1 a described satellite signal receiving apparatus, it is characterized in that, wherein also have a memory device in this satellite addressing system chip, electrically connect this address encryption assembly, this memory device stores can be for the scrambler program of this address encryption assembly with the encryption of gps signal scrambler.
3. according to claim 1 a described satellite signal receiving apparatus, it is characterized in that wherein this transmission control unit (TCU) is a digital satellite device controller of DiSEqC transmission standard.
4. according to claim 3 a described satellite signal receiving apparatus, it is characterized in that, wherein this transmission control unit (TCU) has more an analogue transmission district, electrically connect this high frequency input terminal group and this analog output group, this analogue transmission district is that specific transmission line cabling laying is passed through for analog signal, so this fundamental frequency signal can be exported from this analog output group by this analogue transmission district with the analog format signal of this address details is mixed.
5. the GPS addressing identification method of a Digital Television makes the satellite TV system end can limit satellite television and receives user's digital television signal that only the box broadcast is provided on teaching machine in specific zone, it is characterized in that, includes following method:
A, send the satellite-signal of Digital Television, include a system authorization address in this satellite-signal by above-mentioned satellite TV system end;
B, provide a satellite signal receiving apparatus, receive this satellite-signal and this satellite-signal is handled box on the above-mentioned teaching machine of back input;
C, this satellite signal receiving apparatus receive the user position with above-mentioned satellite television and handle out a gps signal through the GPS addressing, and are treated as an address details with what scrambler was encrypted, export this address details on this teaching machine box then;
Box goes out this gps signal with this address details through decoding and deciphering reprocessing on d, this teaching machine, and the system authorization address of this gps signal and this satellite-signal made comparisons, if this gps signal meets this system authorization address, the then exportable above-mentioned digital television signal of box on this teaching machine.
6. according to the GPS addressing identification method of claim 5 a described Digital Television, it is characterized in that wherein this satellite-signal is to be processed into fundamental frequency signal via frequency reducing and fixed frequency to export this satellite signal receiving apparatus among the step b.
7. according to the GPS addressing identification method of claim 5 a described Digital Television, it is characterized in that wherein this address details is to become the analogue transmission specification to be received by box on this teaching machine through digital-to-analogue conversion among the step c.
8. according to the GPS addressing identification method of claim 7 a described Digital Television, it is characterized in that, wherein in the steps d on this teaching machine box the analogue transmission specification of this address details is changed back this address details of specification numbers through analog digital.
9. according to the GPS addressing identification method of claim 7 a described Digital Television, it is characterized in that wherein the analogue transmission specification of this address details is to export box on this teaching machine with this satellite-signal is mixed to by a coaxial transmission line among the step c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101678328A CN101207725A (en) | 2006-12-18 | 2006-12-18 | GPS addressing identification method of digital television and satellite signal receiving device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101678328A CN101207725A (en) | 2006-12-18 | 2006-12-18 | GPS addressing identification method of digital television and satellite signal receiving device thereof |
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| CN101207725A true CN101207725A (en) | 2008-06-25 |
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| CNA2006101678328A Pending CN101207725A (en) | 2006-12-18 | 2006-12-18 | GPS addressing identification method of digital television and satellite signal receiving device thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102158760A (en) * | 2011-03-28 | 2011-08-17 | 深圳创维数字技术股份有限公司 | Playing authentication method, device and system and set box of digital satellite television |
| CN105657509A (en) * | 2016-01-26 | 2016-06-08 | 泰斗微电子科技有限公司 | LNB (Low Noise Amplifier) module for receiving satellite television signal and corresponding satellite television set top box |
| CN105721918A (en) * | 2016-03-25 | 2016-06-29 | 泰斗微电子科技有限公司 | Satellite television set top box and corresponding control method |
| CN105744333A (en) * | 2016-03-18 | 2016-07-06 | 泰斗微电子科技有限公司 | LNB module used for receiving satellite television signals and corresponding satellite television set top box |
| CN106060678A (en) * | 2016-02-18 | 2016-10-26 | 泰斗微电子科技有限公司 | Direct-broadcast satellite television broadcast receiving system LNB (Low Noise Block) module and satellite television set top box |
| CN107623867A (en) * | 2016-07-13 | 2018-01-23 | 络达科技股份有限公司 | Have the top box of digital machine of positioning function and apply its satellite television receiving system |
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2006
- 2006-12-18 CN CNA2006101678328A patent/CN101207725A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158760A (en) * | 2011-03-28 | 2011-08-17 | 深圳创维数字技术股份有限公司 | Playing authentication method, device and system and set box of digital satellite television |
| CN105657509A (en) * | 2016-01-26 | 2016-06-08 | 泰斗微电子科技有限公司 | LNB (Low Noise Amplifier) module for receiving satellite television signal and corresponding satellite television set top box |
| CN105657509B (en) * | 2016-01-26 | 2020-04-24 | 国家新闻出版广电总局广播科学研究院 | LNB module for receiving satellite television signal and corresponding satellite television set top box |
| CN106060678A (en) * | 2016-02-18 | 2016-10-26 | 泰斗微电子科技有限公司 | Direct-broadcast satellite television broadcast receiving system LNB (Low Noise Block) module and satellite television set top box |
| CN105744333A (en) * | 2016-03-18 | 2016-07-06 | 泰斗微电子科技有限公司 | LNB module used for receiving satellite television signals and corresponding satellite television set top box |
| CN105721918A (en) * | 2016-03-25 | 2016-06-29 | 泰斗微电子科技有限公司 | Satellite television set top box and corresponding control method |
| CN107623867A (en) * | 2016-07-13 | 2018-01-23 | 络达科技股份有限公司 | Have the top box of digital machine of positioning function and apply its satellite television receiving system |
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Open date: 20080625 |