CN102196229A - Function extension device and television with the same - Google Patents
Function extension device and television with the same Download PDFInfo
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- CN102196229A CN102196229A CN2010101292704A CN201010129270A CN102196229A CN 102196229 A CN102196229 A CN 102196229A CN 2010101292704 A CN2010101292704 A CN 2010101292704A CN 201010129270 A CN201010129270 A CN 201010129270A CN 102196229 A CN102196229 A CN 102196229A
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Abstract
The invention discloses a function extension device, which is electrically connected with a television and is driven by the television to interact media signals with the television. The function extension device comprises a USB interface and a network interface for communicating with a network. At least one plug-in unit with television extension function can be installed in the function extension device through the USB interface or the network interface, and the media signals transmitted by the plug-in unit can be processed by the function extension device and displayed by the television. Compared with the prior art, the function extension device has the following benefit that: the plug-in units with different functions can be freely installed in the function extension device and displayed on the television, resource is saved, and range of application of the function extension device is wide.
Description
Technical field
The present invention relates to a kind of function expanding device and have the television set of this function expanding device, particularly relate to a kind of television set that can install and unload the function expanding device of plug-in unit and have this function expanding device.
Background technology
At present, the television set that mostly is the reception analog signal that is widely used, in the epoch that Digital Television arrives, be to pass through external equipment mostly, as, set-top box, DVD, DVB (Digital VideoBroadcasting, digital video broadcasting, a kind of Digital Television Open Standard of international recognition), digital signal is converted to exports to television set after the analog signal and show, for example, set-top box converts A/V (video standard signal) interface signal or Y to after digital signal is received, U, V interface signals such as (Analog Component Video signals), and the low display resolution analog signal after will changing exports to television set, as shown in Figure 1, television set is by the A/V port DVD player top box of plugging into respectively, the DVB set-top box, the Internet Protocol Television set-top box, but this kind framework, each set-top box all need independent current source that it is powered, simultaneously, each set-top box also needs independently remote controller respectively it to be controlled, and the signal of television set still simulates and this set-top box is exported to, the image that resolution is very low.Simultaneously because the external equipment kind is many, these equipment rooms have many resources to repeat, as: each machine is all wanted power supply, every equipment all needs a remote controller, each product all has the lead-out terminal that quantity does not wait, color is different, so just cause the aerial lug complexity, installed, use extremely inconvenient and take up space, used distinct device all need connect one time the end of a thread again.Simultaneously, also inconvenience preservation of a plurality of remote controllers, operation.The user increases a new equipment, must be complete machine, thereby the comprehensive use cost of user is higher, and each equipment is exported no standard simultaneously, and interface, the performance difference of like product are big.
On the other hand, the high-end digital television of some costlinesses has the display mode of high-resolution (1080P, 1080i, 720P), and external equipment need connect with it by miscellaneous interface (VGA, DVI, HDMI etc.).Because the kind of interface of television set own is various, make outside auxiliary products, as: the output mode of set-top box is also of all kinds, and often the output signal of set-top box can't guarantee that also picture quality effect performance with high-end television sets is to ultimate attainment.
In the prior art, also have and to insert the composite type TV machine of television set in DVD, DVB, the Internet Protocol Television set-top box.For example Chinese No. 200420109717.1 patent of invention, disclose a kind of Television Digital video laser disc and play integral machine, it is by being built in digital video disc DVD playing function in the television set, makes that television set both can TV reception, can play digital video disc DVD again.And for example No. 200520115859.3 patent of invention of China discloses a kind of IP TV can be recorded in one machine, and it is built into the Internet Protocol Television set-top box in the LCD TV.Yet in the inside of combinations thereof formula television set, DVD, DVB, Internet Protocol Television set-top box are to adopt different interface circuits to connect the movement circuit of television set.The standard of various interface and disunity do not have the expansion upgrade function yet, are difficult to increase new digital program reception sources.And different interface types has caused the existing system upgrading also relatively more difficult, the more important thing is that the scrambled TV service that can't adapt to different regions receives, and can't satisfy the different information flow requirement of possibility between each area, each operator.Because a certain specific function and main frame are made complete machine, destroyed the standardization of main frame, simultaneously, the specific function also not all client of possibility is needed.This type of type is generally the customization of a certain class particular client colony, is used for the specific occasion, but not popular demand, product can not be popularized in an all-round way.This class composite type TV machine is because the difference between the composite module causes product specification to differ, is difficult for realizing industry standardization that difficulty is carried out forming a complete production network of Related product in industry, so production cost is higher, auxiliary products are lack of standardization.
Along with the development of digitizing technique, at present, device interiors such as DVD, DVB, Internet Protocol Television set-top box are handled all fully digitalizations and technical standard standard for the reading of audio frequency, vision signal, decompression etc.Digital audio/video standard interface HDMI at Digital Television popularizes in the whole world, like this, no longer needs to transmit analog signal between these equipment and Digital Television, and directly audio frequency, the video signal of transmission standard will be trends of the times.
We can say that present development of television is with rapid changepl. never-ending changes and improvements, of a great variety.Traditional TV is withdrawn from the market gradually, plasm TV, LCD TV, even the LED TV all enters into consumer's sight line.Increasing function also can realize on TV, for example the online function of diverse network comprises functions such as weather news information, online download video display resource, online education, video on-demand function, game on line function, online shopping function, OK a karaoke club ok function, video communication, network monitoring.The realization of these functions need rely on network, so Web TV arises at the historic moment.
Existing on the market Web TV can be realized a lot of network functions, has attracted consumers in general's eyeball.But take a broad view of existing Web TV, can find that the network function of every money Web TV emphasizes particularly on different fields, what have lays particular stress on life ﹠ amusement, and what have lays particular stress on educational resource, and what have lays particular stress on video communication etc.Seldom there is a Web TV can comprehensively realize the online function of above network.And the upgrading of the software that these network functions are embedded also is to need the problem of consideration emphatically.Otherwise, do not spend several years, more emerging functions or video format just can not be play on this television set, because can not get the software support.Perhaps, consumer wants is additionally bought new functional module and is loaded, and causes the increase of cost undoubtedly to the consumer.
Tracing it to its cause, mainly is because the limitation of the software platform of existing Web TV.At first, embedded all its network functions that when this Web TV exploitation, have of this software platform, for example its online download video display information that can realize, online education, video request program, online shopping etc.Yet when new network function occurred, this software platform often can not be supported to add new network function, causes this television set can't use this network function, caused and fell behind, and then keep away unavoidably and be eliminated.Secondly, this software platform neither be supported the upgrading of existing software function comprehensively.With the media video form is example, and well-known, new broadcast format emerges in an endless stream, if there is not upgrade function, existing broadcast format is inevitable can't play emerging media video after several years.Yet, upgrade function is limited also will cause supporting after emerging various functions.At last, because each function all has been embedded in the software platform, the consumer just can't be fit to the software systems of oneself according to the demand customization of oneself.
In order to overcome the deficiencies in the prior art part, also in order to adapt to the constantly trend of development of Web TV technology, be necessary to provide a kind of and meet the Web TV standard, adaptive scope is wide, and economize on resources, can realize the function expanding device of various expansion television set functions and have the television set of this function expanding device.
Summary of the invention
At the deficiencies in the prior art, the technical problem that the present invention solves provide a kind of adaptive scope wide, the function expanding device of various expansion television set functions is provided and has the television set of this function expanding device.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of function expanding device is electrically connected at television set, and drives and described television set interactive media signal through described television set.Described function expanding device comprises that USB interface reaches and the network interface of network communication, the plug-in unit of at least a expansion television set function can be mounted to function expanding device by USB interface or network interface, and the media signal of this plug-in unit transmission can show through the function expanding device processing and through television set.
Further, described plug-in unit with expansion television set function can be one of online shopping plug-in unit, online education plug-in unit, remote monitoring plug-in unit, game on line plug-in unit, video download plug-in, video request program plug-in unit, OK a karaoke club ok plug-in unit at least.
Described plug-in unit can unload from function expanding device.
Described plug-in unit can upgrade by USB interface or network interface upgrading.
Described function expanding device has flash memory, and the AKU after described plug-in unit upgrading is upgraded is stored in the above-mentioned flash memory.
Described function expanding device also comprises a processing unit, and described processing unit electrically connects described USB interface and described network interface, and provides driving voltage to described USB interface and described network interface.
Technical scheme of the present invention can also realize like this:
A kind of television set comprises a function expanding device that electrically connects with described television set and driven by described television set.Described function expanding device and described television set interactive media signal are expanded described television set function.Function expanding device comprises that USB interface reaches and the network interface of network communication, the plug-in unit of at least a expansion television set function can be mounted to function expanding device by USB interface or network interface, and the media signal of this plug-in unit transmission can show through the function expanding device processing and through television set.
Further, described function expanding device detachably is installed on television set and provides power supply by described television set.
Described function expanding device is integrated in the television set and by television set power supply is provided.
Described plug-in unit can upgrade from the function expanding device unloading or from described USB interface, network interface upgrading.
Compared with prior art, the invention has the beneficial effects as follows: can add the expansion television set function and the upgrading that need at any time, economize on resources, applied widely.
Description of drawings
Fig. 1 is the schematic diagram of the receiving system of the existing television set of expression;
Fig. 2 is that expression is according to the television set of first embodiment of the invention and the structured flowchart of exterior terminal;
Fig. 3 is the system principle diagram of expression according to first embodiment of the invention;
Fig. 4 is that expression is according to the television set of second embodiment of the invention and the structured flowchart of exterior terminal;
Fig. 5 is the system principle diagram of expression according to second embodiment of the invention;
Fig. 6 is that expression is according to the function expanding device of best mode for carrying out the invention and the structure chart of television set;
Fig. 7 is according to the application flow block diagram behind the function expanding device loading remote monitoring software of best mode for carrying out the invention.
Embodiment
Now, will describe the specific embodiment of the present invention with reference to the accompanying drawings in detail.In these figure, represent same or analogous element with identical mark, even in different figure, describe them.
With reference to figure 2 and shown in Figure 3, be the structured flowchart and the system principle diagram of the television set and the exterior terminal 40 of first embodiment of the invention.This television set comprises television system 20 and function expanding device 30, wherein, described television system 20 comprises television set core system 201 and expansion mouth 202, this expansion mouth 202 can connect outside function expanding device 30, various plug-in units that the user freely selects can be installed or unload to this function expanding device 30 to realize various expansion television set function, for example online shopping, online education, video download, video request program, game on line, OK a karaoke club ok etc.Function expanding device 30 can be connected with exterior terminal 40 networks or be connected to exterior terminal 40 by USB interface 305 by network interface 306 installs or unloads the information of plug-in unit to obtain selection.Simultaneously, the upgrading to function expanding device 30 that is various plug-in units also obtains by exterior terminal 40.When network connected exterior terminal 40, this exterior terminal 40 can be the Internet, server.When being connected to exterior terminal 40 by USB interface, this exterior terminal can be to store the external memory that needs to install or unload plugin information, for example USB flash disk, flash memory (Flash), portable hard drive, PC etc.
What deserves to be mentioned is, in best mode for carrying out the invention, described function expanding device 30 can be the form of an expansion card, and this expansion card can be an exposed circuit board, side is provided with user interface (can insert the external signal interface) on it, and opposite side then is provided with a plug terminal.Be provided with in this plug terminal and the television set expansion mouthfuls 202 to patch notch corresponding, the described notch that patches can be plugged mutually, function expanding device 30 is pegged graft on described television system 20 or remove with the plug terminal on the described function expanding device 30.In another embodiment of the invention, described plug terminal also can be changed mutually with the position relation that patches notch, be about to patch notch and be arranged on the function expanding device 30, plug terminal is arranged in the expansion mouth 202 of television system 20, and is electrically connected with television set core system 201.Certainly, those of ordinary skill in the art can understand other forms of expression of function expanding device 30 on basis disclosed by the invention, expansion box etc. for example, function expanding device 30 of the present invention also can connect television system 20 by other intermediaries, for example by Signal transfer box or keyset, this Signal transfer box or keyset can be provided with television system 20 plug terminals equally or patch that notch matches patch notch or plug terminal.See also Fig. 4 and Fig. 5, in second execution mode of the present invention, function expanding device 30 can directly embed television system 20 and save television set expansion mouth 202 and the inserting terminal that is arranged on function expanding device 30.
Owing to taken into full account the diversity and the following extended capability of performance Digital Television optimal display result and the system aspect factor of digital television function expanding unit, function expanding device 30 in the first embodiment of the invention has adopted modularized design, be about to above-mentioned plug terminal and patch port make in the mode of golden finger connector, the modularization of the design standard cooperation function expanding device 30 of described golden finger connector, realize that product is plugged into conveniently and expansion is flexible, like this, can embody Digital Television source display standard fully, can also finish the present stage simulated television to the transition of Digital Television, and realize many function upgradings or increase new function, the function expanding device 30 that the consumer only need choose the conformance with standard interface gets final product, thereby with lower and flexibly cost being used in combination of function expanding device 30 and television set core system 201 is provided, also make things convenient for the consumer to change the function expanding device 30 of inefficacy simultaneously.Because the characteristics of the flexible configuration of " modularization " are also expanded the consumer field of having extended product, the plug-in unit of various difference in functionalitys can load on the function expanding device module by the software mounting means, and is applied in television system 20.With respect to function expanding device 30 as the mounting platform of the plug-in unit of various difference in functionalitys, its corresponding golden finger connector has the plug terminal of unified specification and patches port, not only the sub regulation of arranging with the signal of telecommunication that patches port of finger spigot is identical for the specification here, but also finger spigot and the physical size uniform specification that patches port.
In the signal that golden finger connector of the present invention transmitted, comprise power supply signal, Communication Control signal and audio-video signal at least.Plug terminal is arranged on the function expanding device 30, it can be the golden finger connector by print circuit plates making, when the plug terminal insertion patches port, conductive part on the two is in contact with one another to form and is electrically connected, and makes Communication Control signal, audio-video signal and power supply signal transmit at function expanding device 30 and 201 of television set core systems.The conductive part surface gold-plating of plug terminal has good conductivity, wear-resisting and oxidation resistant characteristic.In the signal that this golden finger connector transmitted owing to comprised power supply signal, therefore can realize that television set core system 201 provides power supply by power supply signal to function expanding device 30, between function expanding device 30 and television set core system 201, set up control information contact mechanism so that work in coordinating and unifying ground by mutual Communication Control signal simultaneously, with audio/video signal transmission between function expanding device 30 and television set core system 201.By this structure, make function expanding device 30 by 201 power supplies of television set core system, effectively accomplished energy-conservation; Function expanding device 30 and television set core system 201 control informations contact have effectively been accomplished to control conveniently, satisfy user's needs.Certainly, golden finger connector of the present invention also can be replaced by other connection devices, as long as connection device can transmit power supply signal, Communication Control signal and audio-video signals at function expanding device 30 and television set core system 201, as, holding wire etc.
Wherein, described function expanding device 30 can be the television set expanded function, carries out data communication between itself and the television set core system 201.Function expanding device 30 can be installed different plug-in units, and the function of realization is difference to some extent also, for example is: but can play HD video and can record a video chase after the time recording software, the Games Software that can play games; Can replace set-top box to play the digital television software of digital signal; The network download software that can download movies on the net; And remote monitoring software; OK a karaoke club ok software; Online shopping software; Online education software or the like.Support the television set of expanded function expanding unit 30 to realize different functions on function expanding device 30 by the software package that difference in functionality is installed.
As shown in Figure 3, the television set of function expanding device 30 connections of the present invention comprises television system 20, power module 21 and LCD panel 22.Wherein power module 21 is electrically connected television system 20 and LCD panels 22, for it provides operating voltage, and by golden finger connector or directly provide operating voltage for function expanding device 30.Certainly, power module 21 also can be integrated into television system 20 inside.
Audio frequency output is used for the audio signal of electrical signal form is changed into the voice signal of air vibration form, and it can be devices such as loudspeaker, loud speaker.
Described function expanding device 30 comprises processing unit 301, DC-DC (DC/DC) power supply 302, memory 303, the audio frequency and video converting unit 308 that is arranged on the printed circuit board (PCB) (PCB), and external interface unit.
For example, please refer to Fig. 7, when needs are realized remote monitoring function, at first function expanding device 30 is connected to external memory 40 or is connected to network to obtain the remote monitoring plug-in unit by network interface 306, wireless network card etc. by USB interface 305, and this remote monitoring plug-in unit is installed in operation then.At this moment, television system 20 needs to be equipped with camera head.Camera head transfers to processing unit 301 with media signal, and its coding of decoding is then become digital signal and export television set to by audio frequency and video converting unit 308 and show (that is DA conversion, the digital-to-analog conversion), function expanding device 30 receives the media signal that exterior terminal transmits by the Internet simultaneously and export television set to after audio frequency and video converting unit 308 is handled and shows, realizes the function of video communication and remote monitoring whereby.In the video communication process, can also record a video as standby by television set.
In addition, the media signal that processing unit 301 also can transmit the camera head that receives is sent to exterior terminal, carries out reverse remote monitoring by exterior terminal.
DC-DC (DC/DC) power supply 302 receives the power supply signal (12V) that is transferred to the input of function expanding device 30 plug terminals by television system 20, it is as Switching Power Supply, can carry out the step-up/down operation to the power supply signal of input, it is changed into required fixed voltage and export processing unit 301 to provides suitable operating voltage, and the operating voltage that function expanding device 30 of the present invention needs is 5V.Certainly, the above-mentioned just circuit common framework of function expanding device 30, the circuit framework of the function expanding device 30 of difference in functionality can be adjusted to some extent according to functional characteristic.In second embodiment of the invention, see also Fig. 4 and Fig. 5, DC-DC (DC/DC) power supply 302 directly receives the power supply signal (12V) that is transferred to function expanding device 30 by television system 20, power supply signal to this input carries out the step-up/down operation then, it is changed into required fixed voltage and export processing unit 301 to provides suitable operating voltage, and the operating voltage that function expanding device 30 of the present invention needs is 5V.
External interface unit has comprised: usb hub 304, connected USB interface 305, network interface 306, the flash interface 307 of control by this usb hub 304.Described USB interface 305 can be connected external memory storage with flash interface 307, as: USB flash disk, portable hard drive, flash memory, PC etc.Described network interface 306 can connect external network, and this network interface 306 comprises the wired network interface of RJ45 port, and also radio network interface gets final product so long as can connect the interface of external network; After the pin function operation of selected installation is installed, but all outer signal interfaces such as this USB interface 305, flash interface 307, network interface 306 import processing unit 301 into, and by after 301 pairs of media signal decodings of processing unit, by audio frequency and video converting unit 308 this signal is carried out DA conversion (digital-to-analog conversion) and be television system 20 broadcast formats, input in the television set and play, the preferred predetermined format of the present invention is a mpeg format, but this predetermined format is not limited only to mpeg format, and other audio frequency and video forms all can.Certainly, described audio frequency and video converting unit 308 can be used as independent device and also can be integrated in the described processing unit 301.In addition, the upgrading of function expanding device 30 and various feature cards is upgraded and can be realized by dual mode: a kind of is directly software kit or plug-in unit bag to be upgraded in the flash memory (Flash) by USB interface 305; A kind of is to be linked to online upgrading on the Internet by network interface, and new software kit or plug-in unit bag after upgrading is finished still are stored in the flash memory (Flash).What deserves to be mentioned is: those of ordinary skills also can expand this external interface unit as required, make it can connect more external memory storages, as: the network interface that connects multiple external networks such as telephone network, optical networking, connect polytype other interfaces such as ide interface, ATA/SATA interface, mouse interface, keyboard interface, game paddle interface or microphone interface of hard disk or CD-ROM drive etc., be not repeated at this.
The present invention as plug-in unit installation, unloading and upgrading software platform, can make the adaptation region more extensive function expanding device 30 standardization, and suitable producer is more, and functional configuration freedom and flexibility and cost are relatively low.The consumer only needs the function needs according to oneself, feature card is just passable from information source 30 installations or unloading one by one.Like this, the adding utilization of new function, new interface will leave enough performance spaces for future, and following module is had the module connection with oneself, and all oneself performs all preparations from aspects such as interface specification, software upgradings.What's new or existing software upgrading in the future only needs directly to upgrade and gets final product.In addition, whole system software can upgrade upgrading by multiple modes such as USB interface, network interfaces.
When the plug-in unit that is installed on function expanding device 30 by described television system 20 linkage function expanding units 30 and operation at television set is expanded, as Fig. 6, shown in Figure 7, the method flow diagram of one embodiment of the present invention, in this embodiment, described function expanding device adopts the removable mode that is loaded on television set, and described function expanding device is equipped with a remote monitoring function plug-in unit, and by this plug-in unit realization video communication and remote monitoring, its method may further comprise the steps: at first function expanding device 30 is directly connected television sets or be connected with television set by interconnecting device or keyset indirectly, television set can be function expanding device 30 power supply is provided, with when television set links to each other, function expanding device 30 also is connected with the television system 20 of television set inside, at this moment, television system 20 can detect External Access Equipment, pass through if detect external equipment, then television system 20 will be controlled television set and send power supply signal to function expanding device 30, drive function expanding device 30 work; Secondly, the signal output type of television system 20 measuring ability expanding units 30, for example, id signal can adopt one group of binary code to represent the function expanding device 30 of difference in functionality type.Function expanding device 30 output audios/video type signal identification is to television core system, audio frequency and video type signal sign can be represented signal type by external interface input function expanding unit by one group of binary code, these signals comprise radiofrequency signal (RF), the composite video broadcast singal (Composite Video Broadcast Signal, CVBS), brightness/chroma signal (Y/C), color difference signal (Y/Pb/Pr), VGA (Video GraphicsArray) signal, DVI (Digital Visual Interface) signal, HDMI (High DefinitionMultimedia Interface) signal and other existing various audio-video signals.After television system 20 is received id signal, switch corresponding display channel.
When USB camera head, the input of network media signal: the functional processing module 301 in the function expanding device 30 is received the media signal of network interface 306 or the input of USB camera head, through audio frequency and video converting unit 308 decoding then coding become digital signal, transfer to television set and realize video communication and remote monitoring or be sent to exterior terminal 40 realizing reverse remote monitoring by the Internet.
What deserves to be mentioned is: described television set is realized unified control by carrying out mutual signal controlling and communicate by letter with communication modes such as UART/IIC/IR/COM between television system 20 and the function expanding device 30, and is user-friendly.Certainly, it is a kind of execution mode of this function expanding device that the remote monitoring plug-in unit is housed, this function expanding device also can be according to other satisfactory plug-in units of the self-defining installation of user's request in order to the expansion television function, in addition, the user also can be equipped with a plurality of feature cards simultaneously in function expanding device, with the convenience that guarantees that the user uses.
Although be the example purpose, preferred implementation of the present invention is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. function expanding device, be electrically connected at television set, and through described television set driving and described television set interactive media signal, it is characterized in that: described function expanding device comprises that USB interface reaches and the network interface of network communication, the media signal that at least a plug-in unit that can be mounted to the expansion television set function of function expanding device by USB interface or network interface, this plug-in unit can transmit the processing of process function expanding device and show through television set.
2. the function expanding device described in claim 1, it is characterized in that described plug-in unit with expansion television set function can be one of online shopping plug-in unit, online education plug-in unit, remote monitoring plug-in unit, game on line plug-in unit, video download plug-in, video request program plug-in unit, OK a karaoke club ok plug-in unit at least.
3. the function expanding device described in claim 1 is characterized in that, described plug-in unit can unload from function expanding device.
4. the function expanding device described in claim 1 is characterized in that, described plug-in unit can upgrade by USB interface or network interface upgrading.
5. function expanding device as claimed in claim 4 is characterized in that described function expanding device has flash memory, and the AKU after described plug-in unit upgrading is upgraded is stored in the above-mentioned flash memory.
6. the function expanding device described in claim 1, it is characterized in that, described function expanding device also comprises a processing unit, and described processing unit electrically connects described USB interface and described network interface, and provides driving voltage to described USB interface and described network interface.
7. television set, comprise a function expanding device that electrically connects with described television set and drive by described television set, described function expanding device and described television set interactive media signal, expand described television set function, it is characterized in that: described function expanding device comprises that USB interface reaches and the network interface of network communication, the plug-in unit of at least a expansion television set function can be mounted to function expanding device by USB interface or network interface, and the media signal of this plug-in unit transmission can show through the function expanding device processing and through television set.
8. television set according to claim 7 is characterized in that, described function expanding device detachably is installed on television set and provides power supply by described television set.
9. television set according to claim 7 is characterized in that, described function expanding device is integrated in the television set and by television set power supply is provided.
10. television set according to claim 7 is characterized in that, described plug-in unit can upgrade from the function expanding device unloading or from described USB interface, network interface upgrading.
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| CN2010101292704A CN102196229A (en) | 2010-03-05 | 2010-03-05 | Function extension device and television with the same |
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| CN102905179A (en) * | 2012-09-28 | 2013-01-30 | 青岛旲天下智能科技有限公司 | Digital home terminal capable of being flexible for separating and combined for use |
| CN103024506A (en) * | 2012-12-19 | 2013-04-03 | 北京赛科世纪数码科技有限公司 | Circuit board and combination type all-in-one machine |
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| CN104853237A (en) * | 2015-05-05 | 2015-08-19 | 深圳创维－Rgb电子有限公司 | Television, software and hardware remote diagnosis method thereof, and software upgrading method thereof |
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| CN108881973A (en) * | 2017-05-15 | 2018-11-23 | 深圳市乐安居智能发展有限公司 | A kind of novel family's KTV power amplifier integrated machine with network function |
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Application publication date: 20110921 |