CN201398213Y - Set top box controller with two-way transmission function with value added service server - Google Patents
Set top box controller with two-way transmission function with value added service server Download PDFInfo
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- CN201398213Y CN201398213Y CN2009200637989U CN200920063798U CN201398213Y CN 201398213 Y CN201398213 Y CN 201398213Y CN 2009200637989 U CN2009200637989 U CN 2009200637989U CN 200920063798 U CN200920063798 U CN 200920063798U CN 201398213 Y CN201398213 Y CN 201398213Y
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Abstract
A set top box controller with a two-way transmission function with a value added service server comprises a central processing unit, a RF mobile communication unit, a TV signal decoding unit, a data exchange unit and a video and audio output unit, wherein the TV signal decoding unit is used for receiving and decoding data from the cable digital TV network and then sending the date to the central processing unit, the central processing unit outputs the video and audio signal to a TV device through the video and audio output unit, through the RF mobile communication unit and the mobile communication unit, the central processing unit realizes the data transmission from the set top box to the value added service server. The utility model has simple and compact structure, is convenient to operate, is capable of supporting the set top box to realize the two-way data transmission with the value added service server without the two-way improvement of the cable TV network and has the two-way transmission function with the value added service server.
Description
Technical field
The utility model is mainly concerned with field of set-top, refers in particular to a kind of stb controller that carries out the transmitted in both directions function with the value-added service server that has.
Background technology
Among cable TV network, communication network and internet three macroreticular systems, the communication network development the earliest, popularity rate is the highest, the internet growth rate is the fastest, what provide is interactive also the highest, and most of cable TV network is the One-to-All Broadcast tree owing to what adopt, and TV signal can only be transmitted to user terminal by front end, so cable television network can only be played the part of the role of information one-way transmission all the time, be subjected to very big restriction in its network application.
Because a cable TV network support information one-way transmission, so make the set-top box that connects digital cable television network and domestic television set also become one can only passive reception information equipment, corresponding set-top box functionality and application also have been subjected to considerable restraint.
How to make set-top box can receive data and can send data again, thereby the bidirectional data transfers that is implemented between set-top box and the cable TV value-added service server is an outstanding technical problem always, the main solution thinking of radio, TV and film industries is before this: adopt the mode of Epon+Eoc or Epon+Cable modern to carry out, be that backbone network adopts high-end exchange and Epon equipment, register one's residence exchange of employing low side and Eoc equipment or modulating equipment are finished the bilateral network transformation and are realized that set-top box returns to the value-added service data in server.Investment is big, long in time limit, consumer's acceptance level is low and it is slow to accept speed but do like this, and social benefit is also low.
Therefore solve the bidirectional transfer of information problem between the server of set-top box and cable TV value-added service, avoid simultaneously large-scale, high investment, macrocyclic digital tv network transformation again, the complete upgrading of final realization set-top box functionality, and the development of the relevant value-added service of promotion, be a technical problem that presses for solution.
The utility model content
Problem to be solved in the utility model just is: at the deficiency that prior art exists, the utility model provide a kind of simple and compact for structure, easy to operate, can not need to cooperate the stb controller that just can support bidirectional data transfers between set-top box realization and the value-added service server under the prerequisite of carrying out the cable TV network bidirectional rebuilding.
In order to solve the problems of the technologies described above, the solution that the utility model proposes is: a kind of have a stb controller that carries out the transmitted in both directions function with the value-added service server, it is characterized in that: it comprises CPU, the radio frequency mobile communication unit, the television signal decoder unit, data interaction unit and video and audio output unit, described television signal decoder unit is used for receiving also from Cable Network, and demodulating data is sent to CPU, CPU exports vision signal to television equipment by video and audio output unit, and described CPU realizes that by radio frequency mobile communication unit and mobile radio communication set-top box returns to the value-added service data in server.
As further improvement of the utility model:
Be connected with numeral or analog level between the pin of described CPU and radio frequency mobile communication unit, described CPU is controlled by universal input/output interface or the moving communication unit of internal system bus correlation frequency displacement.
It is in the integrated circuit of substrate that CPU can adopt the standalone module form to be installed on the printed circuit board (pcb) circuit or to be encapsulated in silicon materials with the radio frequency mobile communication unit.Particularly to be encapsulated in silicon materials with the radio frequency mobile communication unit be to have many good qualities in the integrated circuit of substrate to CPU, and such as because two interconnective unit are adopted once encapsulation, packaging cost is lower.For another example, indirect saving use the area and the number of plies of the associated circuit board of set-top box of the present utility model, shortened the construction cycle that set-top box developer does relevant application circuit.Most important, owing to the line between two unit reaches the shortest, be subjected to external interference little, thereby promoted the stability of entire controller and set-top box.
Described television signal decoder unit comprises demodulator and tuner, and CPU links to each other with Cable Network by demodulator, tuner successively.
Described radio frequency mobile communication unit comprises the base band submodule, the demodulation submodule, the mixing submodule, the antenna submodule, radio-frequency transmissions submodule and phase-locked loop submodule, described mixing submodule is used for receiving high-frequency signal and it is reduced to intermediate-freuqncy signal output, the demodulation submodule be used for receiving the intermediate-freuqncy signal that sends by the mixing submodule and with useful signal therefrom demodulation come out to give the base band submodule, the base band submodule is used for analog signal conversion to be digital signal and to send into that CPU is handled and digital signal is converted to analog signal and send into the radio-frequency transmissions submodule and export, the radio-frequency transmissions submodule be used for receiving base band transmission analog intermediate frequency signal and it is modulated on the radiofrequency signal, amplification outputs to the antenna submodule then, and the phase-locked loop submodule is used for exporting and is used for phase locked clock signal.
Compared with prior art, advantage of the present utility model just is:
1, the set-top box behind installation the utility model, receive the various data messages of digital cable TV net on the one hand smoothly, can also utilize existing mobile radio communication, realize the passback of data, and no longer need original cable television network is transformed on a large scale to the value-added service server.This means that also a large amount of social investments obtains saving.Because if be implemented in bidirectional data transfers between set-top box and the value-added service server by cable television network being carried out the network rebuilding, just need to lay the wired network that is exclusively used in the data passback, and need set up other data equipment, and being installed, novel these investments of back of this usefulness all are avoided.
2, because the mobile radio communication main body covers engineering near finishing, set-top box of the present utility model is installed almost registers one's residence and can directly launch value-added service, like this owing to no longer include the process that net changes, thus shortened greatly cable television network by unidirectional to two-way updating time.
3, improve the mobile network's of national cost huge fund foundation utilization rate of equipment and installations, improved the utilance of the set-top box device of ordinary consumer purchase, also improved the utilization rate of equipment and installations of whole cable television network.
4, the strategic idea of country's ' integration of three networks ' has directly been supported in the application of the utility model in set-top box device, by circulating interconnected three types of service that network can launch of directly having expanded, enriched set-top box consumer's consumption experience, can bring remarkable economic efficiency and social benefit for country, society and individual.
Description of drawings
Fig. 1 is a frame structure schematic diagram of the present utility model;
Fig. 2 is the frame structure schematic diagram of radio frequency mobile communication unit in the utility model;
Fig. 3 is the circuit theory schematic diagram of mixing submodule in the radio frequency mobile communication unit;
Fig. 4 is the circuit theory schematic diagram of demodulation submodule in the radio frequency mobile communication unit;
Fig. 5 is the circuit theory schematic diagram of base band submodule in the radio frequency mobile communication unit;
Fig. 6 is the circuit theory schematic diagram of radio-frequency transmissions submodule in the radio frequency mobile communication unit;
Fig. 7 is the circuit theory schematic diagram of phase-locked loop submodule in the radio frequency mobile communication unit;
Fig. 8 is the detailed maps of CPU and other parts annexation in the utility model.
Marginal data
1, CPU 2, radio frequency mobile communication unit
3, demodulator 4, tuner
5, data interaction unit 6, video and audio output unit
7, Cable Network 8, television equipment
9, mobile radio communication 10, ancillary equipment
11, base band submodule 12, demodulation submodule
13, mixing submodule 14, antenna submodule
15, radio-frequency transmissions submodule 16, phase-locked loop submodule
17, mixing follower 18, the analog to digital converter of intermediate frequency
19, half-duplex data/address bus 20, system clock
21, serial interface controller 22, digital to analog converter
23, filter 24, local memory interface
25, universal input/output interface 26, clock-signal generator
27, internal system bus 28, the central processing unit core heart
29, Ethernet protocol controller 30, universal asynchronous serial protocol controller
31, universal serial bus protocol controller 32, Bluetooth protocol controller
33, I2C bus protocol controller 34, video decode and audio decoder
Embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details.
As depicted in figs. 1 and 2, the utility model is to have the stb controller that carries out the transmitted in both directions function with the value-added service server, it comprises CPU 1, radio frequency mobile communication unit 2, the television signal decoder unit, data interaction unit 5 and video and audio output unit 6, the television signal decoder unit is used for receiving data from Cable Network 7 and is sent to CPU 1, CPU 1 exports video and audio signal to television equipment 8 by video and audio output unit 6, CPU 1 realizes set-top box to the transmission of value-added service data in server by radio frequency mobile communication unit 2 and mobile radio communication 9, also can realize that data are by the transmission of value-added service server to set-top box by television signal decoder unit and digital cable TV net 7.Wherein, be connected with numeral or analog level between the pin of CPU 1 and radio frequency mobile communication unit 2, CPU 1 is controlled by universal input/output interface 25 or the moving communication unit 2 of internal system bus 27 correlation frequency displacements, and CPU 1 can adopt the standalone module form to be installed on the printed circuit board (pcb) circuit or be encapsulated in silicon materials with radio frequency mobile communication unit 2 is in the integrated circuit of substrate.The television signal decoder unit comprises tuner 4 and demodulator 3, and CPU 1 links to each other with Cable Network 7 by demodulator 3, tuner 4 successively.The user uses ancillary equipment 10, as data input/output interface of the present utility model, realizes the input of control command and the input and output of data by data interaction unit 5.Radio frequency mobile communication unit 2 comprises base band submodule 11, demodulation submodule 12, mixing submodule 13, antenna submodule 14, radio-frequency transmissions submodule 15 and phase-locked loop submodule 16, mixing submodule 13 is used for receiving high-frequency signal and it is reduced to intermediate-freuqncy signal output, demodulation submodule 12 be used for receiving the intermediate-freuqncy signal that sends by mixing submodule 13 and with useful signal therefrom demodulation come out to give base band submodule 11, base band submodule 11 is used for analog signal conversion to be digital signal and to send into that CPU 1 is handled and digital signal is converted to analog signal and send into radio-frequency transmissions submodule 15 and export, radio-frequency transmissions submodule 15 be used for receiving base band transmission analog intermediate frequency signal and it is modulated on the radiofrequency signal, amplification outputs to antenna submodule 14 then, and phase-locked loop submodule 16 is used for exporting and is used for phase locked clock signal.The signal that mixing submodule 13, demodulation submodule 12, base band submodule 11 are finished radio frequency mobile communication unit 2 together receives, and the signal that radio frequency transmission submodule 15, base band submodule 11 are finished radio frequency mobile communication unit 2 together sends.
As shown in Figure 3, circuit theory schematic diagram for mixing submodule 13 in the present embodiment, it mainly is made of the mixing follower 17 (IF OUTPUT MUX) of intermediate frequency, IF1+, IF1-and IF0+, IF0-are the holding wire of intermediate-freuqncy signal output, and the CDMA+ of the demodulation submodule 12 that connects one to one shown in Figure 4, CDMA-and FM+, FM-.Holding wire CMIX-IN external antenna 14 among Fig. 3.IF PLL holding wire and the corresponding connection of IF PLL among Fig. 7 among Fig. 3.
As shown in Figure 4, be the circuit theory schematic diagram of demodulation submodule 12 in the present embodiment, its function is useful signal is separated from the signal of mixing submodule 13 inputs, becomes analog signal.Demodulation submodule 12 is by a lot of device and circuits formed, but have directly with application of the present utility model and crucial what get in touch mainly is to identify CDMA+ among the figure, CDMA-and FM+, FM-is used for from the holding wire of mixing submodule 13 input intermediate-freuqncy signals, change analog signal after treatment into, again through IOUT+, IOUT-(the positive and negative differential signal line of component in the same way) and QOUT+, QOUT-(the positive and negative differential signal line of quadrature component) is sent to base band submodule 11 shown in Figure 5.
As shown in Figure 5, be the circuit theory schematic diagram of base band submodule 11 in the present embodiment.After the analog signal that receiving demodulation submodule 12 imports into, be converted to digital signal by analog to digital converter 18, be sent to half-duplex data/address bus 19 among Fig. 5 then, the data wire via D0-D9 is sent to CPU 1 again.When needs externally send data, CPU 1 is to base band submodule 11 sending controling instructions, transmit data via half-duplex data/address bus 19, through digital to analog converter 22 (DAC), through filter 23 (Filter), be sent to radio-frequency transmissions submodule 15 again, modulate the back and export through antenna submodule 14 by power amplification.Guarantee clock synchronization by system clock 20 in the above process, CPU 1 is implemented control by 21 pairs of base band submodules of serial interface controller 11.
As shown in Figure 6, circuit theory schematic diagram for radio-frequency transmissions submodule 15 in the present embodiment, its function is that the intermediate-freuqncy signal that base band submodule 11 sends over is modulated in the radiofrequency signal, via RFH0 among the figure and RFH1 passage, sends via antenna submodule 14 again.
As shown in Figure 7, be the circuit theory schematic diagram of phase-locked loop submodule 16 in the present embodiment.Phase-locked loop is a kind of feedback control circuit, is called for short phase-locked loop (PLL).The characteristics of phase-locked loop are: frequency and the phase place of utilizing the reference signal control loop internal oscillation signal of outside input.Many electronic equipments are wanted operate as normal, need outside input signal synchronous with inner oscillator signal usually, utilize phase-locked loop just can achieve this end.Phase-locked loop submodule 16 links to each other with mixing submodule 13 via IF PLL holding wire among Fig. 7, links to each other with radio-frequency transmissions submodule 15 via RF PLL holding wire among Fig. 7, links to each other with base band submodule 11 via PLLCLKIN holding wire among Fig. 7.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, in the utility model, radio frequency mobile communication unit 2 is that to regard a complete functional unit as integrated.In the total, have only base band submodule 11 to link to each other with CPU 1, this crucial annexation as shown in Figure 8:
The half-duplex data/address bus 19 of base band submodule 11 (Half duplex bus) links to each other with the local memory interface 24 (LMI) of CPU 1 by D0-D9 10 data lines altogether, links to each other with universal input/output interface 25 (GPIO) by DR 1 data wire altogether.D0-D9 bears the input and output of data, DR control data direction.
The system clock of base band submodule 11 links to each other with the clock-signal generator 26 of CPU 1 by a CLK data wire altogether, guarantees the clock synchronization of system.
The serial interface controller 21 of base band submodule 11 (Serial interface and System control) links to each other with internal system bus 27 (system inter connect bus) by control signal wire 1, control signal wire 2, control signal wire 3 three data wires altogether, CPU kernel 28 also links to each other with internal system bus 27, just can control base band submodule 11 by CPU kernel 28 like this, specify its method of work.
Ethernet protocol controller 29 among Fig. 8, universal asynchronous serial protocol controller 30, universal serial bus protocol controller 31, Bluetooth protocol controller 32, I2C bus protocol controller 33 are data interaction unit 5, but data interaction unit 5 is not limited to this several forms, (the central processing unit core heart 28 is CPU 1 most important component, and all calculating, acceptance/memory command, the deal with data of CPU are all carried out by core with the central processing unit core heart 28 for data interaction unit 5.) link to each other by the protocol controller circuit, as data input/output interface of the present utility model, be used for the input of user's control command and the input and output of data.
Video decode among Fig. 8 and audio decoder 34 are video of the present utility model and audio output unit 6, link to each other with television equipment 8.
As shown in Figure 8, tuner 4 links to each other with demodulator 3, and demodulator 3 directly links to each other with the universal input/output interface 25 (GPIO) of CPU 1.
The utility model can be achieved as follows a kind of application:
The user is from data interaction of the present utility model unit 5 input instructions, instruction is transferred to internal system bus 27, the central processing unit core heart 28 is directly from internal system bus 27 reading command, after handling, forward local memory interface 24 to, send to the half-duplex data/address bus 19 of base band submodule 11 then, base band submodule 11 is given radio-frequency transmissions submodule 15 with data then, and sends.Instruction arrives mobile telecommunication service merchant's base station, the base station is by being connected with optical fiber with the broadcasting and TV value-added server, instruction is sent to value-added server thereupon, and value-added server receives after the data, sends by Cable Network 7 according to the data of instruction with user's program request.Tuner 4 of the present utility model receives carrier signal and mixing, and demodulator 3 carries out demodulation then, obtains the TS flow data, and 1 pair of TS flow data of CPU is decoded, thereby set-top box obtains the content-data of user's program request.
Perhaps: the user is from data interaction of the present utility model unit 5 input instructions, instruction is transferred to internal system bus 27, the central processing unit core heart 28 is directly from internal system bus 27 reading command, after handling, forward local memory interface 24 to, send to the half-duplex data/address bus 19 of base band submodule 11 then, base band submodule 11 is given radio-frequency transmissions submodule 15 with data then, and sends.Instruction arrives mobile telecommunication service merchant's base station, the base station obtains packet and is forwarded to certain station server on the Internet according to the destination address in the IP bag by router, send data according to user's request to IP address behind the server receiving subscriber data bag, data arrive the mobile base station by router, the base station transmits data to radio frequency mobile communication of the present utility model unit 2, and via mixing submodule 13, demodulation submodule 12, base band submodule 11, through data wire, arrive the local memory interface 24 of CPU 1, thereby set-top box obtains the content-data of user's program request.
Perhaps: the user at first uses the headset or the telephone set dialing of band dial feature, via data interaction of the present utility model unit 5, user's dial data passes to internal system bus 27, still send by base band submodule 11 and radio-frequency transmissions submodule 15, the base station receives data, attempt setting up communication link with corresponding dialing object, communication link is in case set up, the user just can be under the control of CPU 1 of the present utility model, by headset or the telephone set and the dialing object realization conversation of radio frequency mobile communication of the present utility model unit 2 and the band dial feature that is connected data interaction unit 5.
Perhaps: the user sends note by handheld device to set-top box of the present utility model is installed, note arrives the base station of mobile communication service provider, the base station is sent to radio frequency mobile communication unit 2 in the utility model with note, under the control of CPU 1, the data content of note is shown in television equipment 8 by video and audio output unit 6.
The utility model provides basic and sufficient hardware foundation, and by installing the software that satisfies different demands additional, the utility model can realize including but not limited to above application.
Claims (4)
1, a kind of have a stb controller that carries out the transmitted in both directions function with the value-added service server, it is characterized in that: it comprises CPU (1), radio frequency mobile communication unit (2), the television signal decoder unit, data interaction unit (5) and video and audio output unit (6), described television signal decoder unit is used for being sent to CPU (1) behind Cable Network (7) reception and decoded data, CPU (1) exports signal to television equipment (8) by video and audio output unit (6), described CPU (1) realizes set-top box to the transmission of value-added service data in server by radio frequency mobile communication unit (2) and mobile radio communication (9), and described data interaction unit (5) is used for input/output control command and data.
2, according to claim 1 have a stb controller that carries out the transmitted in both directions function with the value-added service server, it is characterized in that: be connected with numeral or analog level between the pin of described CPU (1) and radio frequency mobile communication unit (2), described CPU (1) is controlled by internal system bus (27) or the moving communication unit (2) of universal input/output interface (25) correlation frequency displacement.
3, according to claim 1 have a stb controller that carries out the transmitted in both directions function with the value-added service server, it is characterized in that: described television signal decoder unit comprises tuner (4) and demodulator (3), and described CPU (1) links to each other with Cable Network (7) by demodulator (3), tuner (4) successively.
4, describedly has a stb controller that carries out the transmitted in both directions function with the value-added service server according to claim 1 or 2 or 3, it is characterized in that: described radio frequency mobile communication unit (2) comprises base band submodule (11), demodulation submodule (12), mixing submodule (13), antenna submodule (14), radio-frequency transmissions submodule (15) and phase-locked loop submodule (16), described mixing submodule (13) is exported after being used for receiving high-frequency signal and being mixed down intermediate-freuqncy signal with local oscillator, demodulation submodule (12) be used for receiving the intermediate-freuqncy signal that sends by mixing submodule (13) and with useful signal therefrom demodulation come out to give base band submodule (11), base band submodule (11) is used for analog signal conversion to be digital signal and to send into that CPU (1) is handled and digital signal is converted to analog signal and send into radio-frequency transmissions submodule (15) and export, radio-frequency transmissions submodule (15) is used for receiving the analog intermediate frequency signal of base band transmission and it is modulated on the radiofrequency signal, amplify then and output to antenna submodule (14), phase-locked loop submodule (16) is used for output and is used for signal emission and the phase locked clock signal of receiving course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200637989U CN201398213Y (en) | 2009-03-24 | 2009-03-24 | Set top box controller with two-way transmission function with value added service server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200637989U CN201398213Y (en) | 2009-03-24 | 2009-03-24 | Set top box controller with two-way transmission function with value added service server |
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| CN201398213Y true CN201398213Y (en) | 2010-02-03 |
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| CN2009200637989U Expired - Fee Related CN201398213Y (en) | 2009-03-24 | 2009-03-24 | Set top box controller with two-way transmission function with value added service server |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835030A (en) * | 2010-05-05 | 2010-09-15 | 深圳市同洲电子股份有限公司 | System and method for watching television programs by mobile terminal |
| CN102065330A (en) * | 2010-12-13 | 2011-05-18 | 浙江飞越数字科技有限公司 | Wideband-narrowband integrated DVB (Digital Video Broadcasting) on-demand device |
| CN102255970A (en) * | 2011-07-20 | 2011-11-23 | 北京视博云科技有限公司 | Interactive service remote access system |
| CN102572525A (en) * | 2012-02-15 | 2012-07-11 | 深圳市同洲视讯传媒有限公司 | Method and system for realizing video on-demand by utilizing mobile communication wireless network, and terminal |
-
2009
- 2009-03-24 CN CN2009200637989U patent/CN201398213Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835030A (en) * | 2010-05-05 | 2010-09-15 | 深圳市同洲电子股份有限公司 | System and method for watching television programs by mobile terminal |
| CN102065330A (en) * | 2010-12-13 | 2011-05-18 | 浙江飞越数字科技有限公司 | Wideband-narrowband integrated DVB (Digital Video Broadcasting) on-demand device |
| CN102255970A (en) * | 2011-07-20 | 2011-11-23 | 北京视博云科技有限公司 | Interactive service remote access system |
| CN102255970B (en) * | 2011-07-20 | 2013-12-18 | 北京视博云科技有限公司 | Interactive service remote access system |
| CN102572525A (en) * | 2012-02-15 | 2012-07-11 | 深圳市同洲视讯传媒有限公司 | Method and system for realizing video on-demand by utilizing mobile communication wireless network, and terminal |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20180324 |