CN102036029A - Ground and satellite combined television receiving system - Google Patents
Ground and satellite combined television receiving system Download PDFInfo
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- CN102036029A CN102036029A CN2010102756227A CN201010275622A CN102036029A CN 102036029 A CN102036029 A CN 102036029A CN 2010102756227 A CN2010102756227 A CN 2010102756227A CN 201010275622 A CN201010275622 A CN 201010275622A CN 102036029 A CN102036029 A CN 102036029A
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Abstract
The invention relates to a ground and satellite combined television receiving system. The system mainly comprises two parts, namely a fused antenna and a fused receiver, wherein the fused antenna is a mixed antenna integrating a satellite antenna with a wireless broadcasting antenna physically; the fused receiver is provided with two demodulators and two interfaces which receive satellite television signals by using a coaxial cable; the fused antenna transmits the satellite television signals and wireless broadcasting signals through one coaxial cable; and the fused receiver is used for supplying power to a satellite tuner, a wireless antenna amplifier, and the remote control steering and steering automatic positioning of the antenna simultaneously. The ground and satellite combined television receiving system is easy to operate and use, has a friendly man-machine interface, and can effectively receive cable digital television broadcasting programs, and satellite and ground digital television broadcasting programs.
Description
Technical field
What the present invention relates to is a kind of receiving system of digital TV field, relates in particular to the TV receiving system of a kind of combined ground and satellite.
Background technology
TV has become most of people's amusements and has obtained the important channel of information, in the city, mainly watch TV programme by cable TV, in the place that cable TV can not cover, as the outlying district, the rural area, the combination area of city and country, migrant worker, the crowd of open air, camping, tourism, self-driving travel, field work, the people mode of TV, cable digital TV broadcasting, terrestrial wireless digital broadcasting and handheld device digital broadcasting via satellite come received television program.In general, cable digital TV broadcasting mainly concentrates on the comparatively concentrated zones of population such as cities and towns, and satellite and ground digital television broadcast mainly are distributed in the zone that populations such as fringe region comparatively disperse, the one, vast rural area, the 2nd, bus, taxi and private car, the 3rd, handheld terminal.Paces are being accelerated development in rural market, satellite television.Therefore look that satellite television and terrestrial broadcast television exist very large competitive relation, but in fact, satellite television and radiated television have good complementary relationship, because direct broadcasting satellite mainly provides the program of CCTV and satellite TV's program of various places, can't see the program of localization.It is the strong point of ground digital television broadcast that the program of localization is provided, and therefore can project replenish on program.Majority have very keen interest to the TV and the local TV in local, and like this, the combination of TV and local wireless TV broadcasting via satellite can be satisfied the native well, alien workers, and different crowds such as tourism provide comprehensive service.Yet, the top box of digital machine of set-top box technique that existing patent documentation is disclosed and develops and production and sales at present is that function is too single mostly, and the development and the people that are difficult to adapt to present digital television broadcasting receive the demand that various digital television programs are broadcasted.
State's invention patent publication No. CN 101252637A discloses in 27 days Augusts in 2008, receives the function of satellite, wired and terrestrial broadcasting digital television signal by " a kind of combined digital set top boxes based on software radio " that Langchao Electronic Industry Group Corp proposed simultaneously though this technology has realized the separate unit set-top box.But system configuration has been used satellite TV signal tuner, cable TV signal tuner, terrestrial broadcast television signal tuning device, A/D converter, digital down converter, Software Radio platform, MPEG-2 master chip, simulation audio/video processing unit, embedded Control circuit, operation push-button and parts such as display floater, intelligent card interface and power module, complex structure, not only increased cost widely, man-machine interface is unfriendly, user's complicated operation inconvenience, for example, when changing television channel, domestic consumer feels to operate switches difficulty.
Summary of the invention
Technical problem to be solved by this invention is to design the TV receiving system of a kind of combined ground and satellite, this receiving system can receive satellite television and local wireless videocast simultaneously, this system installs, simple to operate easy-to-use, man-machine interface close friend, make it not only can effectively receive the cable digital TV broadcast program, but also can effectively receive satellite and ground digital television broadcast program, thereby avoided present user when receiving cable digital TV broadcasting, digital video broadcast-satellite, need use several different set-top box with ground digital television broadcast.
Technical scheme of the present invention is: the TV receiving system of a kind of combined ground and satellite, and main composition function comprises the antenna of fusion and 2 parts of receiver of fusion; The antenna of described fusion is a kind of hybrid antenna that satellite antenna and radio broadcasting antenna are become one physically; The receiver of described fusion is a kind of device that receives the radiated television of satellite television and this locality simultaneously, this device has No. 2 demodulators and two-way interface, one the tunnel is satellite television demodulator and satellite television interface, and one the tunnel is radiated television demodulation and radiated television interface; Above-mentioned two-way interface all adopts coaxial cable to receive satellite TV signal, or receives mobile television signal or anolog TV signals with the antenna that carries; Come transmitting satellite TV signal and radio broadcasting signal with a coaxial cable on the antenna of above-mentioned fusion; Utilize the receiver that merges to turn to and turn to the power supply of automatic location for simultaneously the remote control of satellite tuner, wireless antenna amplifier, antenna.
Further, the receiver of above-mentioned fusion also increases by one road simulated television receiving interface.
Further, the antenna rear end of above-mentioned fusion also increases by a frequency dividing circuit.
Further, the antenna of above-mentioned fusion be a kind of be satellite quiet in logical equipment.
Further, the antenna of above-mentioned fusion be a kind of be satellite communication in moving equipment.
Further, its radio broadcasting standard of the receiver of above-mentioned fusion is the ABS standard.
Further, its radio broadcasting standard of the receiver of above-mentioned fusion is DVB-S.
Further, its radio broadcasting standard of the receiver of above-mentioned fusion is DVB-S2.
Further, the present invention can also increase by one road simulated television receiving interface at the receiver that merges.
Compare with the set-top box of traditional single receiving function, the TV receiving system of a kind of combined ground of the present invention and satellite can be under the control of embedded control system, realize effective switching between satellite, terrestrial broadcasting digital television signal and the digital catv signal easily according to user's concrete selection, thereby make combined digital set top boxes can receive satellite, terrestrial broadcasting and digital catv signal effectively.The present invention not only goes for the town dweller's use preferably of digital television signal reception environment, the resident that can also be applicable to the remote districts that the digital television signal reception environment is relatively poor uses, thereby helps further accelerating the digitlization process of broadcast television industry.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Fig. 2 is another structural circuit theory diagram of the present invention.
Embodiment
To do detailed description below in conjunction with accompanying drawing to the present invention with concrete execution mode:
Embodiment 1
With reference to figure 1, the TV receiving system of a kind of combined ground and satellite, it mainly forms the antenna that comprises fusion and 2 parts of receiver of fusion; The antenna of described fusion is a kind of hybrid antenna that satellite antenna and radio broadcasting antenna are become one physically; Be a kind of be satellite quiet in logical equipment.The receiver of described fusion is a kind of device that receives the radiated television of satellite television and this locality simultaneously, can make mobile TV terminal or family expenses set-top box form; This device has No. 3 demodulators and 3 road interfaces, and one the tunnel is satellite television demodulator tunner and satellite television interface demo, and one the tunnel is radiated television demodulation tunner and radiated television interface demo, also has one the tunnel to be that simulated television receives; Above-mentioned two-way interface all adopts coaxial cable to receive satellite TV signal, or receives mobile television signal or anolog TV signals with the antenna that carries; Come transmitting satellite TV signal and radio broadcasting signal with a coaxial cable on the antenna of above-mentioned fusion; Utilize the receiver that merges to turn to and turn to the power supply of automatic location for simultaneously the remote control of satellite tuner, wireless antenna amplifier, antenna.Its radio broadcasting standard of the receiver of described fusion is the ABS standard.
Principle of the present invention is: set up the TV receiving system that a cover merges, what at first we needed is the fusion of antenna.The frequency range that China is used to broadcast is VHF (48.5-223MHZ), UHF (470-862MHZ) FM broadcast receiver (76-108MHZ), and for satellite TV signal, through after the down-converted of tuner, the frequency of TV signal is 950Mhz-2150Mhz, and the frequency of this two-way output does not overlap, therefore, can just can arrive set-top box simply the stack of the output signal of the output signal of tuner and wireless antenna with same coaxial cable transmitting satellite TV signal and radio broadcasting signal.In addition in the bad place of some wireless coverages, antenna amplifier antennafire has played extraordinary effect, weak signal can significantly improve output level by it, thereby improve signal to noise ratio, make the television image of receiving even more ideal, in satellite television, receiver is powered to tuner by coaxial cable and is carried out the good signal reception, radio broadcasting antenna part so also can utilize receiver to give the characteristics of the power supply of tuner, does an antenna amplifier antennafire circuit, has improved the reception of radio broadcasting.We can be according to the situation of reality, select parabolic antenna or plate aerial, the signal that the process satellite antenna is subjected to is given blender through the amplification of LNB, wireless antenna, can select general Yagi antenna, the toothpick antenna is if signal is not strong, can increase antenna amplifier antennafire, give blender the signal that receives, blender is superimposed as one road signal to these two kinds of different signals of frequency, gives receiver by coaxial cable.Can know from our requirement, receiver needs to receive satellite television+local wireless broadcast singal, and local radio broadcasting signal kind is a lot, just requires our product according to circumstances to select, the configuration relevant hardware is handled, and reaches the requirement that performance is good and save cost.At first, situation according to the user, can dispose 1-2 coaxial cable interface, but under the common situation, the common axle cable is a better choice, receiver in form, mainly be configured to 2 kinds of forms, a kind of is set-top box shape, the place of adopting standard TV receiver to show as TV programme, be applied to the fixing place that receives, for example rural households.Another is a mobile TV shape, is used for mobile occasions such as vehicle-mounted, carries LCD and loud speaker, becomes a multimedia recreation terminal.On software design, merge the characteristics that receiver should be able to merge satellite television and radiated television, make the user simple to operate, convenient, otherwise the receiver that merges does not have too big meaning.
Under actual conditions, the standard of terrestrial wireless broadcast is numerous, in China, mainly contains analog broadcasting, DTMB, and CMMB, product development can be carried out according to actual conditions.At the actual conditions of China, in general, 9 live signal during satellite receives preferably, certainly the satellite of also not getting rid of other, the fixing place that receives, radio broadcasting generally receives analog signal or DTMB signal, and mobile TV terminal reception CMMB is more better.
Embodiment 2
With reference to figure 2, the TV receiving system of a kind of combined ground and satellite, main composition function comprises the antenna of fusion and 2 parts of receiver of fusion; The antenna of described fusion is a kind of hybrid antenna that satellite antenna and radio broadcasting antenna are become one physically; Be a kind of be satellite communication in moving equipment.Also increase by a frequency dividing circuit in the antenna rear end.The receiver of described fusion is a kind of device that receives the radiated television of satellite television and this locality simultaneously, can make mobile TV terminal or family expenses set-top box form; This device has No. 3 demodulators and 3 road interfaces, and one the tunnel is satellite television demodulator tunner and satellite television interface demo, and one the tunnel is radiated television demodulation tunner and radiated television interface demo, also has one the tunnel to be that simulated television receives; Above-mentioned two-way interface all adopts coaxial cable to receive satellite TV signal, or receives mobile television signal or anolog TV signals with the antenna that carries; Come transmitting satellite TV signal and radio broadcasting signal with a coaxial cable on the antenna of above-mentioned fusion; Utilize the receiver that merges to turn to and turn to the power supply of automatic location for simultaneously the remote control of satellite tuner, wireless antenna amplifier, antenna.Its radio broadcasting standard of the receiver of described fusion is DVB-S or DVB-S2.
Claims (8)
1. the TV receiving system of combined ground and satellite, comprise the antenna of fusion and 2 parts of receiver of fusion main the composition; It is characterized in that: the antenna of described fusion is a kind of hybrid antenna that satellite antenna and radio broadcasting antenna are become one physically; The receiver of described fusion is a kind of device that receives the radiated television of satellite television and this locality simultaneously, this device has No. 2 demodulators and two-way interface, one the tunnel is satellite television demodulator and satellite television interface, and one the tunnel is radiated television demodulation and radiated television interface; Above-mentioned two-way interface all adopts coaxial cable to receive satellite TV signal, or receives mobile television signal or anolog TV signals with the antenna that carries; Come transmitting satellite TV signal and radio broadcasting signal with a coaxial cable on the antenna of above-mentioned fusion; Utilize the receiver that merges to turn to and turn to the power supply of automatic location for simultaneously the remote control of satellite tuner, wireless antenna amplifier, antenna.
2. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: the receiver of described fusion also increases by one road simulated television receiving interface.
3. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: the antenna rear end of described fusion also increases by a frequency dividing circuit.
4. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: the antenna of described fusion be a kind of be satellite quiet in logical equipment.
5. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: the antenna of described fusion be a kind of be satellite communication in moving equipment.
6. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: its radio broadcasting standard of the receiver of described fusion is the ABS standard.
7. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: its radio broadcasting standard of the receiver of described fusion is DVB-S.
8. the TV receiving system of a kind of combined ground according to claim 1 and satellite is characterized in that: its radio broadcasting standard of the receiver of described fusion is DVB-S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102756227A CN102036029A (en) | 2010-09-01 | 2010-09-01 | Ground and satellite combined television receiving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102756227A CN102036029A (en) | 2010-09-01 | 2010-09-01 | Ground and satellite combined television receiving system |
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| CN102036029A true CN102036029A (en) | 2011-04-27 |
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| CN2010102756227A Pending CN102036029A (en) | 2010-09-01 | 2010-09-01 | Ground and satellite combined television receiving system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223504A (en) * | 2011-07-19 | 2011-10-19 | 深圳市金锐显数码科技有限公司 | Multi-standard television receiver and television signal receiving method thereof |
| CN103036586A (en) * | 2012-12-05 | 2013-04-10 | 四川金网通电子科技有限公司 | Propelling system used for achieving satellite signal receiving terminal wireless coverage |
| CN103747219A (en) * | 2013-12-27 | 2014-04-23 | 北京航天科工世纪卫星科技有限公司 | DVB (Digital Video Broadcasting) carrier wave receiving system |
| CN105898537A (en) * | 2016-06-23 | 2016-08-24 | 深圳创维数字技术有限公司 | Method and system supporting simultaneous broadcasting and recording of program sources of different modes |
| 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 |
-
2010
- 2010-09-01 CN CN2010102756227A patent/CN102036029A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223504A (en) * | 2011-07-19 | 2011-10-19 | 深圳市金锐显数码科技有限公司 | Multi-standard television receiver and television signal receiving method thereof |
| CN103036586A (en) * | 2012-12-05 | 2013-04-10 | 四川金网通电子科技有限公司 | Propelling system used for achieving satellite signal receiving terminal wireless coverage |
| CN103036586B (en) * | 2012-12-05 | 2015-02-25 | 四川金网通电子科技有限公司 | Propelling system used for achieving satellite signal receiving terminal wireless coverage |
| CN103747219A (en) * | 2013-12-27 | 2014-04-23 | 北京航天科工世纪卫星科技有限公司 | DVB (Digital Video Broadcasting) carrier wave receiving system |
| CN103747219B (en) * | 2013-12-27 | 2017-01-04 | 北京航天科工世纪卫星科技有限公司 | A kind of DVB carrier wave receives system |
| CN105898537A (en) * | 2016-06-23 | 2016-08-24 | 深圳创维数字技术有限公司 | Method and system supporting simultaneous broadcasting and recording of program sources of different modes |
| WO2017220017A1 (en) * | 2016-06-23 | 2017-12-28 | 深圳创维数字技术有限公司 | Method and system for receiving signal sources |
| 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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Application publication date: 20110427 |