CN101321075B - Set-top box with wireless communication ability and its wireless network system - Google Patents
Set-top box with wireless communication ability and its wireless network system Download PDFInfo
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- CN101321075B CN101321075B CN2007100156819A CN200710015681A CN101321075B CN 101321075 B CN101321075 B CN 101321075B CN 2007100156819 A CN2007100156819 A CN 2007100156819A CN 200710015681 A CN200710015681 A CN 200710015681A CN 101321075 B CN101321075 B CN 101321075B
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Abstract
The invention discloses a set-top box, comprising a receiver for receiving a digital television signal, a codec for decoding the received digital television signal, a resolution converter for converting the resolution of the decoded digital television signal, a output section connected to an external display apparatus, and a controller for controlling the operations associated with other sections; the set-top box also comprises an antenna for receiving and outwardly radiating electromagnetic wave meeting the norm of Blue-tooth technique and a Blue-tooth module for processing the wireless transmission signal, the Blue-tooth module establishes the data transmission contact with the codec and/or the controller. The invention consists in providing a resolution and a construct for achieving the Blue-tooth-based digital television signal set-top box, the set-top box has a capability of short-distance wireless communication and can save terminals and connection wires thereon, which is beneficial for the operations of earlier development and later debugging on the scene, and advantages to save the cost and change communication ways.
Description
Technical field
The present invention relates to a kind of set-top box and Radio Network System thereof, particularly a kind of set-top box and Radio Network System thereof that possesses wireless communication ability.
Background technology
In the prior art, there is a kind of short-distance wireless communication technology that is called as bluetooth (Bluetooth), it is in May, 1998, proposed when uniting the standardization activity of carrying out short-range wireless communication technologies by five tame well-known manufacturers such as Ericsson, NOKIA, Toshiba, IBM and Intel, its aim provides a kind of short distance, wireless transmission application technology cheaply.This five tame manufacturer has also set up the special interest group of bluetooth, so that Bluetooth technology can become following wireless communication standard.In July, 1999, Bluetooth SIG has announced the 1st edition of formal technical specification, has started one " bluetooth " upsurge in the world, makes Bluetooth technology present extremely vast market prospect.
Bluetooth technology is a kind of electric wave, in-plant wireless data communication technology of using.It is in the open 2.4G frequency range in the world, and the user uses equipment not need rights of using to concrete management mechanism demand frequency.It is to develop for the wireless penetration of wire cable.Its transmission speed is 1Mbps, and transmission range is about 10 meters (calculating according to emitting power grade two+4dBm)." bluetooth " technology of utilization can be simplified the communication between the mobile communication terminal devices such as palmtop PC, notebook computer and mobile phone handsets effectively, also can successfully simplify communicating by letter between above these equipment and the Internet, thereby make the transfer of data between these modern communications equipments and the internet become efficient more rapidly, and be the radio communication widening road.Therefore, Bluetooth technology makes more modern mobile communication equipments that carry easily and computer equipment just can network by cable, and can realize wireless surfing the Internet, its practical ranges can also be extended to information household appliances such as various household appliances, consumption electronic product and automobile, thereby forms a huge cordless communication network.
DVB (Digital Video Broadcast) is a kind of European digital television standard.The selected MPEG-2 of DVB standard is as the encoding compression mode of audio frequency and video, MPEG-2 code stream is after compression packed and is formed transport stream (TS), behind a plurality of transmission flow multiplexes, via satellite, cable TV and different media such as OCTV or network carry out modulation transmissions.Present domestic employing mainly contains wired DVB-C, satellite DVB-S, and ground is the DMB-TH that Tsing-Hua University and Shanghai Communications University have independent intellectual property right.The set-top box that Digital Television such as, ground wired specific to present domestic majority, satellite and IP dual-mode machine receive, the major defect that exists is: adopt RS232, RS442 terminal, USB or the JTAG mouth mode of connection making local software upgrading mode, need on complete machine, to keep terminal and line on the structure, cause early development and later stage field adjustable inconvenient operation, be unfavorable for saving cost and variation; In addition, because set-top box is not equipped with this popular short distance blue-tooth technology at present, to the digital television signal transmission support pattern deficiency of wireless and network etc.
Summary of the invention
The invention reside in provides a solution and framework, realizes possessing the set-top box of wireless communication ability, can save terminal and line on the complete machine, is convenient to operations such as early development and later stage field adjustable, helps saving cost and conversion communication mode.
Its technical solution is:
A kind of set-top box, comprise a receiver that is used for receiving digital television signal, the codec of the institute's receiving digital television signal that is used to decode, a resolution converter that is used for the digital television signal resolution after the transforms decode, an efferent that is connected in external display device, and the controller of other relevant portion operation of control; It comprises that also one is used for set-top box and the extraneous wireless communication interface that carries out wireless connections.
The present invention also provides a kind of Radio Network System, comprise main control device and at least one slave unit, has a set-top box in the described slave unit at least with wireless communication ability, described set-top box comprises codec, controller and a wireless communication interface, this wireless communication interface with described codec or/and described controller is two-way is connected.
Radio communication of the present invention can realize that above-mentioned wireless communication interface is that available bluetooth communication interface realizes by Bluetooth technology.
Above-mentioned bluetooth communication interface comprises that one is used for receiving and meeting the electromagnetic antenna of bluetooth specification frequency range to external radiation, and a bluetooth module that is used to handle wireless signal transmission, and bluetooth module and codec and/or controller connect.
The above-mentioned bluetooth specification frequency range electromagnetic wave that meets is the electromagnetic wave of 2.4GHz frequency range.
Above-mentioned bluetooth module comprises radio-frequency front-end and base band control, by base band control connection codec and/or controller.
Above-mentioned bluetooth module, its relevant feature operation also can software kit form be fixed in codec or the controller.
Above-mentioned digital television signal set-top box is as the slave unit in the bluetooth basic network, and itself and main control device are set up wireless connections.
Above-mentioned digital television signal set-top box also set up wireless connections with other digital television signal set-top box as slave unit, or other suitable slave unit is set up wireless connections as the slave unit in the bluetooth basic network.
Above-mentioned digital television signal set-top box links by main control device and the Internet or the foundation of other transmission medium.
Above-mentioned main control device comprises the control end PC; Or being its configuration control end PC, this control end PC directly or by the Internet inserts main control device.
Digital television signal set-top box of the present invention has the ability of Bluetooth short distance wireless telecommunications.Based on above-mentioned short-distance wireless communication ability, can obtain following new application, and be applied as starting point with this and derive more utility functions, such as:
1, the developer is in the project development phase, and the download of software debugging can realize that the set-top box product closely matches many products simultaneously, has increased a kind of debugging interface mode, helps to analyze at the scene.Reaching the later stage product in the production comes into the market also to utilize the bluetooth communication interface of this machine to do communication.
2, local wireless local area network be can make up, the shared audio/video multimedia of set-top box and other bluetooth equipments, data files such as Office, JPG realized.It with the set-top box restriction that the ancillary equipment at center needn't be subjected to space, multiple compatible mutually interface specification etc.The user network that extended, the guiding user is that the equipment at center is to TV, for a kind of new use habit provides possibility with the computer.
3, can design and develop the fan based on the bluetooth standard standard with digital television standard is done new application and platform has been put up in secondary development for other.
Description of drawings
Fig. 1 is first kind of execution mode structural principle of the present invention schematic block diagram.
Fig. 2 is second kind of execution mode structural principle of the present invention schematic block diagram.
Fig. 3 is the third execution mode structural principle schematic block diagram of the present invention.
The present invention will be described below in conjunction with accompanying drawing:
Embodiment
Embodiment 1:
As shown in Figure 1, digital television signal set-top box 1 has a receiver 11 that is used for receiving digital television signal, the codec 12 of the institute's receiving digital television signal that is used to decode, a digital television signal that is used for after the transforms decode is the resolution converter 13 of codec output signal resolution, an efferent 14 that is connected in external display device (television receiver) 2, efferent 14 is used for and will delivers to television receiver from the signal of resolution converter 13 outputs, the controller 15 that can control other relevant portion operation, one is used for set-top box and extraneous bluetooth communication interface 16 of carrying out wireless connections, bluetooth communication interface 16 is provided with one and is used for receiving and meeting bluetooth specification frequency range such as the electromagnetic antenna 161 of 2.4GHz frequency range to external radiation, and bluetooth module 162 that is used to handle wireless signal transmission, bluetooth module 162 comprises base band control end (rear end) 1622 and radio-frequency front-end 1621, the main function that realizes wireless transmission, set up the wireless connections of this data of set top box terminal and peripheral main control device such as control end PC, bluetooth module 162 is by setting up the data-signal annexation between base band control end 1622 and the main controller 15.
Embodiment 2:
As shown in Figure 2, digital television signal set-top box 1 has a receiver 11 that is used for receiving digital television signal, the codec 12 of the institute's receiving digital television signal that is used to decode, a digital television signal that is used for after the transforms decode is the resolution converter 13 of codec output signal resolution, an efferent 14 that is connected in external display device (television receiver) 2, efferent 14 is used for and will delivers to television receiver from the signal of resolution converter 13 outputs, the controller 15 that can control other relevant portion operation, one is used for set-top box and extraneous bluetooth communication interface 16 of carrying out wireless connections, bluetooth communication interface 16 is provided with one and is used for receiving and meeting bluetooth specification frequency range such as the electromagnetic antenna 161 of 2.4GHz frequency range to external radiation, and bluetooth module 162 that is used to handle wireless signal transmission, bluetooth module 162 comprises base band control end (rear end) 1622 and radio-frequency front-end 1621, the main function that realizes wireless transmission and processing, set up the wireless connections of this data of set top box terminal and peripheral main control device such as control end PC, bluetooth module 162 is by setting up the data-signal annexation between base band control end 1622 and encoder 12 and the controller 15.
The all or part of feature operation of the bluetooth module 162 in the foregoing description can take the bluetooth transceiving chip of Ericsson, GSR company and RF Micro Devices company etc. to realize, all or part of feature operation of controller 15 can take the respective microprocessor chip to realize.
In the foregoing description, the relevant feature operation of bluetooth module also can be made IP kernel, i.e. form design with software kit is encapsulated in codec or the controller, need not the powerful especially bluetooth transceiving chip of function like this in implementation process, help reducing cost, and follow-up maintenance.
Except that above-mentioned execution mode, bluetooth communication interface also can take place directly or indirectly to get in touch with other part in the set-top box.
Embodiment 3:
As a certain slave unit in the bluetooth basic network, itself and main control device 3 are set up wireless connections with above-mentioned digital television signal set-top box 1.Also set up wireless connections between many digital television signal set-top box 1 in the basic network as slave unit, or and basic network in set up wireless connections between other suitable slave unit.Also can set up with the Internet or other transmission medium and link by main control device 3.Above-mentioned main control device comprises the control end PC; Or be this main control device configuration control end PC, and this control end PC directly or by the Internet inserts main control device, so that make the operator by operating the control end PC, the controller top box is operated to realize its function.
The present invention is that example has been carried out exemplary description to it with above-mentioned several preferred implementations only, it should be understood by one skilled in the art that, put down in writing in the above description under the guide of spirit, except that can not spending creative work is achieved, also should be able under the situation of spirit of the present invention that claims limited and scope, carry out many conspicuous changes on form and the details.
Claims (1)
1. Radio Network System, comprise main control device and at least one slave unit, has a set-top box in the described slave unit at least with wireless communication ability, described set-top box comprises codec, controller and a wireless communication interface, this wireless communication interface with described codec or/and described controller is two-way is connected, it is characterized in that: described set-top box is the digital television signal set-top box, above-mentioned digital television signal set-top box is as the slave unit in the bluetooth basic network, itself and main control device are set up wireless connections, also set up wireless connections, or other suitable slave unit is set up wireless connections with other digital television signal set-top box as slave unit; Described main control device comprises the control end PC, and this control end PC directly or by the Internet inserts main control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100156819A CN101321075B (en) | 2007-06-08 | 2007-06-08 | Set-top box with wireless communication ability and its wireless network system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100156819A CN101321075B (en) | 2007-06-08 | 2007-06-08 | Set-top box with wireless communication ability and its wireless network system |
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| CN101321075A CN101321075A (en) | 2008-12-10 |
| CN101321075B true CN101321075B (en) | 2010-12-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130806A (en) * | 2011-03-31 | 2011-07-20 | 中山大学深圳研究院 | System for realizing interconnection by using Bluetooth and Bluetooth device |
| CN105657492A (en) * | 2015-12-29 | 2016-06-08 | 广州视源电子科技股份有限公司 | Television signal processing method, television signal processing device and television playing control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440620A (en) * | 2000-07-04 | 2003-09-03 | 沙伊·穆扎法尔 | Interactive broadcast system |
| CN1620132A (en) * | 2004-09-09 | 2005-05-25 | 杭州初灵信息技术有限公司 | Integrated implementation device of television, network transmission |
| CN1777246A (en) * | 2004-11-16 | 2006-05-24 | 上海乐金广电电子有限公司 | Wireless television coutrol protocol and configuration |
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2007
- 2007-06-08 CN CN2007100156819A patent/CN101321075B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440620A (en) * | 2000-07-04 | 2003-09-03 | 沙伊·穆扎法尔 | Interactive broadcast system |
| CN1620132A (en) * | 2004-09-09 | 2005-05-25 | 杭州初灵信息技术有限公司 | Integrated implementation device of television, network transmission |
| CN1777246A (en) * | 2004-11-16 | 2006-05-24 | 上海乐金广电电子有限公司 | Wireless television coutrol protocol and configuration |
Non-Patent Citations (1)
| Title |
|---|
| JP3875244B2B2 2007.01.31 |
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Address after: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: HISENSE ELECTRIC Co.,Ltd. |