CN201674568U - Multifunctional set-top box - Google Patents
Multifunctional set-top box Download PDFInfo
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- CN201674568U CN201674568U CN 201020169930 CN201020169930U CN201674568U CN 201674568 U CN201674568 U CN 201674568U CN 201020169930 CN201020169930 CN 201020169930 CN 201020169930 U CN201020169930 U CN 201020169930U CN 201674568 U CN201674568 U CN 201674568U
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Abstract
The utility model relates to a multifunctional set-top box, which comprises a set-top box main chip, a demodulator, a tuner, a network controller, a RJ 45 network interface, a RAM, a FLASH, a memory apparatus interface, a command input interface, a RS232 interface, a condition receiving module and an audio and video output interface, wherein, the set-top box main chip is respectively two-way connected with the demodulator, the network controller, the RAM, the FLASH, the memory apparatus interface, the RS232 interface and the condition processing module, the set-top box main chip is respectively one-way connected with the command input interface, the audio and video output interface; the demodulator is two-way connected with the tuner; the network controller is two-way connected with the RJ45 network interface. The utility model can implement the receiving of ground digital signal, wired digital signal and analog television signal and the IPTV function, and has advantages of strong function, convenient using, and low cost.
Description
Technical field
The utility model relates to digital TV field, relates in particular to a kind of multifunctional set top box.
Background technology
Along with the particularly fast development of information technology of science and technology, human society has entered digitlization, information age, and radio and television digitlization process is all being accelerated in countries in the world.Although the most of local translation of simulated television to Digital Television that realized of China at present is because difference China such as economic development, geographical position still have some areas not finish the Digital Television translation as yet.At present, domesticly can use satellite-signal except the remote mountain areas and carry out the television program receiving, the domestic ground digital signal that also exists simultaneously, three kinds of TV signal of cabled digital signal and analog signal, but the ground digital set-top box can only receive the ground digital signal, wired digital set-top box can only receive the cabled digital signal, also there is not a kind of set-top box can receive the ground digital signal simultaneously at present, three kinds of TV signal of cabled digital signal and analog signal, if rating ground digital signal and cabled digital signal just need be purchased ground digital and two kinds of set-top box of cabled digital, cost is higher, it is big to take up room, and uses also inconvenient.
On the other hand, along with the fast development of network technology, the IPTV(Web TV) also obtained developing fast.Based on broadband network, IPTV can provide business such as audio/video on-demand, online game, information browse, shopping online to the user.The IPTV set-top box adopt MPEG4, H.264, canonical solution code calculations such as AVS, VC-1, the low code check audio frequency and video that decodable code 2Mbps is following, the vision signal of output common DVD image quality single-definition.IPTV receives praises from customers because of having interactive and value-added service; but the IPTV set-top box mostly is the reception decoding device of function singleness at present; even the dual-mode set-top box that occurs can realize that IPTV and cabled digital signal receive, and can not realize the reception of ground digital signal recently.
Summary of the invention
The purpose of this utility model is exactly can realize that in order to solve not exist at present ground digital television signal, digital catv signal and anolog TV signals receive, can realize the problem of the set-top box of IPTV function again, a kind of multifunctional set top box is provided, it can realize the reception of ground digital television signal, digital catv signal and anolog TV signals, can realize the IPTV function again, have advantages such as function is strong, easy to use, cost is lower.
To achieve these goals, the utility model adopts following technical scheme:
A kind of multifunctional set top box, it comprises:
The set-top box master chip;
Demodulator, the two-way communication respectively of it and set-top box master chip and tuner, ground digital, cabled digital and three kinds of TV signal of analog signal to the intermediate frequency form are amplified, A/D changes and demodulation, to the ground digital of intermediate frequency form and digital catv signal amplify, output TS signal after A/D conversion and the demodulation, to the anolog TV signals of intermediate frequency form amplify, after A/D conversion and the demodulation respectively by BT656 bus and IIS bus outputting video signal and audio signal;
The ground digital of tuner received RF form, cabled digital and three kinds of TV signal of analog signal down-convert to intermediate-freuqncy signal with radiofrequency signal;
Network controller, it is connected with network interface with the set-top box master chip respectively; Network interface is connected with the Internet network, finishes the IPTV data transmit-receive;
Memory cell, memory cell and the two-way communication of set-top box master chip;
Command input interface is used to receive input information;
Communication interface is connected with the television set module, carries out the transmission of control information and state information;
The condition processing module, it and the two-way communication of set-top box master chip;
Audio and video output interface is used for output audio signal and vision signal.
Described network interface is the RJ45 network interface.
Described memory cell comprises:
RAM, it is used to provide program running and metadata cache space, comprises a kind of among SDRAM and the DDR SDRAM at least;
FLASH, it is used for routine data and application data store, comprises a kind of among NOR FLASH and the NAND FLASH at least;
Storage device interface, it comprises a kind of in USB interface, SD/MMC card, ide interface and the SATA interface at least.
Described command input interface comprises a kind of in infrared receiving set and the front panel at least.
Described condition processing module comprises intelligent card interface at least and does not have a kind of in the card CA safety chip.
Described audio and video output interface comprises a kind of among CVBS, HDMI, YPbPr, VGA, S-Video, the SPDIF at least.
Described communication interface is the RS232 interface.
HDMI interface in the described audio and video output interface is connected with the television set module, carries out the transmission of audio, video data, control information and state information.
Described multifunctional set top box is connected with the Internet network with the RJ45 network interface by network controller, make set-top box have two-way function, can realize two-way functions such as video request program, online game, information browse, shopping online, in addition, this set-top box can also realize MPEG4, H.264, standard network streaming media playing such as AVS, VC-1, realize the IPTV function.
The beneficial effects of the utility model are: described set-top box can realize the reception of ground digital television signal, digital catv signal and anolog TV signals, can realize the IPTV function again, has advantages such as function is strong, easy to use, cost is lower.
Description of drawings
Fig. 1 is the structural representation of multifunctional set top box described in the utility model;
Fig. 2 is the structural representation that comprises the TV all-in-one of described multifunctional set top box.
Wherein, 1, the set-top box master chip, 2, demodulator, 3, tuner, 4, network controller, 5, RJ45 network interface, 6, RAM, 7, FLASH, 8, storage device interface, 9, command input interface, 10, the RS232 interface, 11, the condition processing module, 12, audio and video output interface.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes a part of the present utility model, and illustrated embodiment of the present utility model and explanation thereof are used to explain the utility model, and improper qualification of the present utility model in pairs inadequately.
Embodiment 1:
Multifunctional set top box as shown in Figure 1, it comprises set-top box master chip 1, demodulator 2, tuner 3, network controller 4, RJ45 network interface 5, RAM6, FLASH7, storage device interface 8, command input interface 9, RS232 interface 10, condition processing module 11 and audio and video output interface 12.Wherein, set-top box master chip 1 respectively with demodulator 2, network controller 4, RAM6, FLASH7, storage device interface 8, RS232 interface 10,11 two-way connections of condition processing module, set-top box master chip 11 respectively with command input interface 9,12 unidirectional connections of audio and video output interface; Demodulator 2 and 3 two-way connections of tuner; Network controller 4 and 5 two-way connections of RJ45 network interface.
The model of set-top box master chip is the MB86H61 of Fujitsu.
The model of tuner 3 is the TDAC7-D01A of ALPS, ground digital, cabled digital and three kinds of TV signal of analog signal that it can the received RF form, and radiofrequency signal down-converted to intermediate-freuqncy signal.
The model of demodulator 2 is AU8828, it can carry out ground digital, cabled digital and three kinds of TV signal of analog signal of intermediate frequency form, and signal amplifies, A/D changes and demodulation, it to the ground digital and the digital catv signal of intermediate frequency form amplify, output TS signal after A/D conversion and the demodulation process, to the anolog TV signals of intermediate frequency form amplify, after A/D conversion and the demodulation process respectively by BT656 bus and IIS bus outputting video signal and audio signal.
RAM6 provides program running and metadata cache space, comprises two DDR SDRAM, and model is respectively NT5TU64M16DG and NT5TU32M16CG.
FLASH7 is used for routine data and application data store, comprises a slice NOR FLASH and a slice NAND FLASH, and the model of NOR FLASH is SST38VF6401, and the model of NAND FLASH is K9G8GU0M.
Audio and video output interface 12 comprises CVBS interface, HDMI interface, YPbPr interface, S-Video interface and SPDIF interface.
The model of network controller 4 is KSZ8041NL.
Above-mentioned multifunctional set top box can be realized the reception of ground digital television signal, digital catv signal and anolog TV signals, can realize the IPTV function again.Described multifunctional set top box receives ground digital and the digital catv signal basic procedure is:
(a1) digital television signal of tuner 3 received RF forms, and radiofrequency signal is down-converted to intermediate-freuqncy signal export to demodulator 2;
(a2) 2 pairs of intermediate-freuqncy signals of demodulator are amplified, output TS signal is given set-top box master chip 1 after A/D conversion and the demodulation;
(a3) 1 pair of TS signal of set-top box master chip carries out demultiplexing, and mutual with condition processing module 11, audio, video data is carried out descrambling and decoding processing after, by audio and video output interface 12 output audio-video signals.
Ground digital television signal described in the above-mentioned flow process is the DMB-TH signal.
The basic procedure that described multifunctional set top box receives analog signal is:
(b1) anolog TV signals of tuner 3 received RF forms, and radiofrequency signal is down-converted to intermediate-freuqncy signal export to demodulator 2;
(b2) 2 pairs of intermediate-freuqncy signals of demodulator are amplified, are given set-top box master chip 1 by BT656 bus and IIS bus outputting video signal and audio signal respectively after A/D conversion and the demodulation;
(b3) 1 pair of vision signal that receives of set-top box master chip and audio signal carry out passing through after the form adjustment is handled audio and video output interface 12 output audio-video signals.
Described multifunctional set top box is connected with the Internet network with RJ45 network interface 5 by network controller 4, make set-top box have two-way function, can realize two-way functions such as video request program, online game, information browse, shopping online, in addition, this set-top box can also realize MPEG4, H.264, standard network streaming media playing such as AVS, VC-1, realize the IPTV function.
Embodiment 2:
As shown in Figure 2, multifunctional set top box described in the utility model is built into makes the TV all-in-one in the television set, described TV all-in-one comprises multifunctional set top box described in the utility model and television set module, the multifunctional set top box here is meant the set-top box mainboard that comprises set-top box master chip 1, tuner 3, demodulator 2, network controller 4, critical pieces such as RAM6, FLASH7, and the television set module is meant the TV SKD with HDMI interface and serial line interface.The HDMI interface of multifunctional set top box described in the utility model is connected with serial line interface with the HDMI interface of television set module respectively with RS232 interface 10.Wherein, the HDMI interface is used to transmit digital audio-video signal to the output of television set module; RS232 interface 10 be used for transmitting control information and state information between digital TV terminal equipment and the television set module with realize between set-top box and the television set module synchronously.
More preferably, set-top box mainboard and TV SKD can be accomplished on the circuit board, be used HDMI to be connected between set-top box master chip and the television processor chip with RS232 interface 10.
Except using RS232 interface 10 to connect the transmission that realizes control informations and state information, can also use HDMI to realize the transmission of control information and state information between set-top box and the television set module between above-mentioned set-top box and the television set module.
The reception that above-mentioned TV all-in-one can be realized ground digital, cabled digital and three kinds of TV signal of simulation can realize the IPTV function again, belongs to a kind of multi-functional TV all-in-one category.
Claims (8)
1. multifunctional set top box is characterized in that it comprises:
Set-top box master chip (1);
Demodulator (2), the two-way communication respectively of it and set-top box master chip (1) and tuner (3), ground digital, cabled digital and three kinds of TV signal of analog signal to the intermediate frequency form are amplified, A/D changes and demodulation, to the ground digital of intermediate frequency form and digital catv signal amplify, output TS signal after A/D conversion and the demodulation, to the anolog TV signals of intermediate frequency form amplify, after A/D conversion and the demodulation respectively by BT656 bus and IIS bus outputting video signal and audio signal;
The ground digital of tuner (3) received RF form, cabled digital and three kinds of TV signal of analog signal down-convert to intermediate-freuqncy signal with radiofrequency signal;
Network controller (4), it is connected with network interface with set-top box master chip (1) respectively; Network interface is connected with the Internet network, finishes the IPTV data transmit-receive;
Memory cell, memory cell and set-top box master chip (1) two-way communication;
Command input interface (9) is used to receive input information;
Communication interface is connected with the television set module, carries out the transmission of control information and state information;
Condition processing module (11), it and set-top box master chip (1) two-way communication;
Audio and video output interface (12) is used for output audio signal and vision signal.
2. multifunctional set top box as claimed in claim 1 is characterized in that, described network interface is RJ45 network interface (5).
3. multifunctional set top box as claimed in claim 1 is characterized in that, described memory cell comprises:
RAM(6), it is used to provide program running and metadata cache space, comprises a kind of among SDRAM and the DDR SDRAM at least;
FLASH(7), it is used for routine data and application data store, comprises a kind of among NOR FLASH and the NAND FLASH at least;
Storage device interface (8), it comprises a kind of in USB interface, SD/MMC card, ide interface and the SATA interface at least.
4. multifunctional set top box as claimed in claim 1 is characterized in that, described command input interface (9) comprises a kind of in infrared receiving set and the front panel at least.
5. multifunctional set top box as claimed in claim 1 is characterized in that, described condition processing module (11) comprises intelligent card interface at least and do not have a kind of in the card CA safety chip.
6. multifunctional set top box as claimed in claim 1 is characterized in that, described audio and video output interface (12) comprises a kind of among CVBS, HDMI, YPbPr, VGA, S-Video, the SPDIF at least.
7. multifunctional set top box as claimed in claim 1 is characterized in that, described communication interface is RS232 interface (10).
8. as right 1 or 6 described multifunctional set top boxes, it is characterized in that the HDMI in the described audio and video output interface (12) is connected with the television set module, carries out the transmission of audio, video data, control information and state information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020169930 CN201674568U (en) | 2010-04-26 | 2010-04-26 | Multifunctional set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020169930 CN201674568U (en) | 2010-04-26 | 2010-04-26 | Multifunctional set-top box |
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| Publication Number | Publication Date |
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| CN201674568U true CN201674568U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020169930 Expired - Fee Related CN201674568U (en) | 2010-04-26 | 2010-04-26 | Multifunctional set-top box |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164320A (en) * | 2011-04-11 | 2011-08-24 | 北京数字太和科技有限责任公司 | Improved terminal based on conditional access technology |
| CN102404631A (en) * | 2011-12-29 | 2012-04-04 | 上海泓安信息科技有限公司 | System for encryption authorization and management of ground programs of set top box |
| CN102932682A (en) * | 2011-08-09 | 2013-02-13 | 上海广电电子科技有限公司 | Internet TV stick |
| CN103458211A (en) * | 2012-06-04 | 2013-12-18 | 深圳市凯利华电子有限公司 | Television bar |
| CN104469460A (en) * | 2014-12-12 | 2015-03-25 | 中山大学深圳研究院 | High-integration density intelligent box for digital television |
| WO2015109903A1 (en) * | 2014-01-23 | 2015-07-30 | 深圳国微技术有限公司 | Television signal receiving socket |
| CN106412653A (en) * | 2016-12-03 | 2017-02-15 | 河池学院 | Digital set-top-box system |
| CN109600561A (en) * | 2018-12-10 | 2019-04-09 | 深圳市通久电子有限公司 | A kind of integrated control system based on simulated television platform |
| CN111083542A (en) * | 2019-12-30 | 2020-04-28 | 深圳市九洲电器有限公司 | Vehicle-mounted satellite television system and set top box |
-
2010
- 2010-04-26 CN CN 201020169930 patent/CN201674568U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164320A (en) * | 2011-04-11 | 2011-08-24 | 北京数字太和科技有限责任公司 | Improved terminal based on conditional access technology |
| WO2012139481A1 (en) * | 2011-04-11 | 2012-10-18 | 北京数字太和科技有限责任公司 | Terminal based on conditional access technology |
| CN102164320B (en) * | 2011-04-11 | 2016-06-22 | 北京数字太和科技有限责任公司 | A kind of terminal based on conditional access technology of improvement |
| US9479825B2 (en) | 2011-04-11 | 2016-10-25 | Unitend Technologies Inc. | Terminal based on conditional access technology |
| CN102932682A (en) * | 2011-08-09 | 2013-02-13 | 上海广电电子科技有限公司 | Internet TV stick |
| CN102404631A (en) * | 2011-12-29 | 2012-04-04 | 上海泓安信息科技有限公司 | System for encryption authorization and management of ground programs of set top box |
| CN103458211A (en) * | 2012-06-04 | 2013-12-18 | 深圳市凯利华电子有限公司 | Television bar |
| WO2015109903A1 (en) * | 2014-01-23 | 2015-07-30 | 深圳国微技术有限公司 | Television signal receiving socket |
| CN104469460A (en) * | 2014-12-12 | 2015-03-25 | 中山大学深圳研究院 | High-integration density intelligent box for digital television |
| CN106412653A (en) * | 2016-12-03 | 2017-02-15 | 河池学院 | Digital set-top-box system |
| CN109600561A (en) * | 2018-12-10 | 2019-04-09 | 深圳市通久电子有限公司 | A kind of integrated control system based on simulated television platform |
| CN111083542A (en) * | 2019-12-30 | 2020-04-28 | 深圳市九洲电器有限公司 | Vehicle-mounted satellite television system and set top box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG TAIXIN ELECTRONIC CO., LTD. Free format text: FORMER NAME: SHANDONG TAIXIN ELECTRONICS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 silver bearing No. 2008 building 1-501-1 Patentee after: Shandong Taixin Electronics Co., Ltd. Address before: Lixia District, Shandong city of Ji'nan Province Cultural Road 250012 No. 13 Haichen building 6 floor Patentee before: Shandong Taixin Electronics Co., Ltd. |
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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: 20101215 Termination date: 20170426 |