CN104581232B - Has the method for the TV control chip and control television equipment of data protection function - Google Patents
Has the method for the TV control chip and control television equipment of data protection function Download PDFInfo
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- CN104581232B CN104581232B CN201310503523.3A CN201310503523A CN104581232B CN 104581232 B CN104581232 B CN 104581232B CN 201310503523 A CN201310503523 A CN 201310503523A CN 104581232 B CN104581232 B CN 104581232B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 86
- 238000013500 data storage Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4333—Processing operations in response to a pause request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Present invention is disclosed a kind of method of control chip and control playing device.Control chip is used for controlling a playing device, which includes at least a multi-media player function and a data processing function, which includes：One multimedia playing module, for driving the multi-media player function, and produces and the played relevant multimedia information of multi-medium data amount；One data processing module, for driving the data processing function, and produces and the processed relevant data processing of information of data volume；And a data protection module, stop the multi-media player function with controlling the data processing module to stop at least one of the data processing function for being controlled the multimedia playing module according to the multimedia information and the data processing of information.
Description
Technical field
The present invention is the method on TV control chip and control television equipment, especially with respect to tool data protection function
TV control chip with control television equipment method.
Background technology
Most content of multimedia has protected by copyrights now, therefore most multimedia play equipment all carries
For protection mechanism, to avoid or reduce content of multimedia and threatened by pirate.As science and technology is maked rapid progress, commercially available television equipment
Function is more and more powerful, or even some intelligent TVs also provide networking function, this people for intentionally stealing protected data
Scholar undoubtedly provides the pipeline of another transmission data so that the work of copyright protection is more difficult.In addition, intelligent TV one
As for be loaded with operating system, be easier to be invaded by rogue program compared with general traditional tv.Rogue program may be broken
The built-in content of multimedia protection mechanism of bad TV, content of multimedia is stored to TV through the storage interface of television equipment and is filled
The storage facilities of outside is put, or through the built-in personal video recorder of television equipment（personal video recorder,
PVR）Shielded content of multimedia is recorded in built-in storage facilities by function, will be protected through world-wide web or be
The content of multimedia equipment that is sent to distal end.
The television equipment become stronger day by day for adaptive functions, it is necessary to propose more complete content of multimedia protection mechanism to protect
Protect copyright.
The content of the invention
In view of the deficiency of prior art, a purpose of the invention is to provide a kind of TV control for having data protection function
The method of chip and control television equipment, to prevent television equipment, when playing multi-medium data, multi-medium data is by pirate.
Present invention is disclosed a kind of control chip, and for controlling a playing device, which includes at least matchmaker more than one
Body playing function and a data processing function, the control chip include：One multimedia playing module, for driving the multimedia to broadcast
Playing function, and produce and the played relevant multimedia information of multi-medium data amount；One data processing module, is used for
The data processing function is driven, and is produced and the processed relevant data processing of information of data volume；An and data protection
Module, couples the multimedia playing module and the data processing module, at according to the multimedia information and the data
Reason information is controlled the multimedia playing module and stops the multi-media player function with controlling the data processing module to stop being somebody's turn to do
At least one of data processing function.
The present invention separately discloses a kind of method for controlling a playing device, which includes at least a multimedia
Function and a data processing function, the control method include：The multi-media player function is driven, and is produced and played more matchmakers
The relevant multimedia information of volume data amount；The data processing function is driven, and is produced related to processed data volume
A data processing of information；And stop the multi-media player function according to the multimedia information and the data processing of information
At least one of with the data processing function.
The TV control chip of the tool data protection function of the present invention and the method for control television equipment can protect more matchmakers
Volume data is from pirate.The present invention records the data played in preset time during television equipment plays multi-medium data
Amount, and by it compared with the data volume handled by the data processing function of television equipment in same time pair, to determine whether having
Potential data pirate situation occurs.Because be using data volume as compare basis, present invention could apply to it is various not
Same multimedia data format.On the other hand, the present invention can also during multi-medium data is played monitoring television device
Data processing function whether by abnormal startup, to determine whether there is potential data pirate situation.
Feature, implementation and effect for the present invention, hereby coordinate attached drawing to make preferred embodiment detailed description as follows.
Brief description of the drawings
Fig. 1 is the functional block diagram of the TV control chip of the present invention；And
Fig. 2 is the flow chart of an embodiment of the method for the control television equipment of the present invention.
Symbol description
110 multimedia playing modules
120 storage control modules
130 network control modules
140 PVR control modules
150 data protection modules
160 screen display modules
S210~S260 steps
Embodiment
The idiom of technical terms reference the art of following description, as this specification has part term
Be illustrated or define, the explanation of the part term be subject to this specification explanation or definition.
The method that the disclosure of the present invention includes the TV control chip and control television equipment of tool data protection function,
It can interpolate that whether television equipment has potential data pirate situation.The side of the TV control chip and control television equipment
Method can be applied to the television equipment with data processing function, such as data storage function, network transmission function and function of making video recording.
Be embodied as it is possible under the premise of, the art tool usually intellectual can be selected according to the disclosure of this specification
The element or step of effect realizes the present invention, that is, the implementation of the present invention be not limited to after the embodiment chatted.Due to the present invention's
It may be well known elements for subelement that TV control chip is included is independent, therefore not influence filling for the device inventions
On the premise of dividing announcement and exploitativeness, illustrate that for the details of well known elements memorandum will be given below.In addition, the control of the present invention
The method of NTSC television system NTSC device can be performed by the TV control chip or its equivalent device of the present invention, not influence this method hair
It is bright it is abundant disclose and exploitativeness on the premise of, the explanation of following methods invention will focus on step content and non-hardware.
Referring to Fig. 1, it is the functional block diagram of the TV control chip of the present invention.The TV control chip bag of the present invention
Containing multimedia playing module 110, for driving the multi-media player function of television equipment, such as instant TV programme are played,
Or play multi-medium data being stored in storage facilities etc..From buffer during broadcasting（buffer）（Do not illustrate）In
Video-audio data to be played is read to play, and produces multimedia information.In addition, the TV control chip of the present invention is also
Available for television equipment of the control with data processing function, data processing function includes data storage function, network transmission work(
Energy, function etc. of making video recording, but be not limited.Storage control module 120 includes the driver of data storage interface, such as logical
Use universal serial bus（Universal Serial Bus,USB）And/or the driver of card reader access interface, for driving electricity
The data storage function of view apparatus produces storage control information to control the action of corresponding hardware, such as data are stored up
Deposit to built-in storage facilities, or stored through Universal Serial Bus to exterior hard disc, or be situated between through card reader access
Face is stored to memory card；Network control module 130 includes the driver of network access interface, such as second too network
（Ethernet）Control interface and/or wireless network（WiFi）Interface is controlled, for driving the network transmission function of television equipment
To control the action of corresponding hardware, and produce network control message, for example, by data through second too network control interface or
It is that wireless network control interface is sent to and passes through network with television equipment（Include internet and Local Area Network）The equipment of line；
PVR control modules 140 include the driver of recording device, for drive television equipment to make video recording function corresponding hard to control
The action of part, and control information of making video recording is produced, such as capture what television equipment currently played through audio/video acquisition circuit
Multi-medium data, and store multi-medium data to the built-in or external storage facilities of television equipment through storage circuit.It is above-mentioned
Storage control module 120, network control module 130 and PVR control modules 140 all be responsible for television equipment some portion of data
Processing function, therefore three all can be considered the module of processing data.
The TV control chip of the present invention also includes data protection module 150.Above-mentioned multimedia playing module 110, storage
Deposit control module 120, network control module 130 and PVR control modules 140 and all couple data protection module 150.Data protection mould
Block 150 is mainly by the multimedia information and other data processing modules of monitoring multimedia playing module 110 in operation
In caused data processing of information come judge television equipment whether in data by the danger of pirate, those data processings letter
Storage control information of the breath comprising storage control module 120, the network control message of network control module 130 and PVR controls
The control information of making video recording of module 140.Multimedia information has been included in a default time inner multimedia playing module 110
The multi-medium data amount of broadcasting；Store control information and include the information that storage control module 120 starts, that is, in television equipment
The hardware for being responsible for data storage function starts powered information, and storage control information is also included in storage in identical preset time
Deposit the processed data volume of control module 120；Network control message includes the information that network control module 130 starts, that is,
The hardware for being responsible for network transmission function in television equipment starts powered information, and network control message is also included in identical pre-
If the processed data volume of network control module 130 in the time；Control information of making video recording caused by PVR control modules 140 is same
The information that PVR control modules 140 start is included, that is, the hardware for function of being responsible for making video recording in television equipment starts powered letter
Breath, is also contained in the data volume that PVR control modules 140 are processed in same preset time.
In implementation multimedia playing module 110, storage control module 120, network control module 130 and PVR control modules
, can be in its other driver layer or middleware when 140（middleware）Layer add control the module start or
The Application Program Interface of stopping（Application Program Interface,API）, such as callback function（callback
function）Application Program Interface, allows data protection module 150 and corresponding module is controlled by the Application Program Interface
Start and stop.In a preferred embodiment, such Application Program Interface can be set to possess highest authority,
Also it can force to stop corresponding module through such Application Program Interface.The present invention middleware layer can between should
With between program layer and driver layer, if TV control chip includes operating system, middleware layer may include or not
It is contained among operating system.Multimedia playing module 110, storage control module 120, network control module 130 and PVR controls
Module 140 can be by respective operation information（Multimedia information, storage control information, network control message, control of making video recording
Information etc.）Send data protection module 150 to.When multimedia playing module 110 commences play out multi-medium data, data protection
Module 150 is activated, and multimedia playing module 110 persistently transmits multimedia information to number during broadcasting
According to protection module 150, also lasting transmission is each at the same time for storage control module 120, network control module 130 and PVR control modules 140
From data processing of information to data protection module 150.When data protection module 150 finds storage control module 120, network control
When molding block 130 and the data processing of information of PVR control modules 140 show unusual condition generation, soon through foregoing
Application Program Interface stops the action of the data processing module, can also control multimedia playing module 110 to stop playing at the same time.This
Outside, the present invention can also be in response to the demand of television equipment manufacturer, and when unusual condition occurs, data protection module 150 will be different
Normal situation is recorded, and unusual condition is returned to television equipment manufacturer through network, is subject to following the trail of television equipment
The situation of pirate threat is simultaneously made a response immediately, such as firmware of renewal television equipment etc..
In a preferred embodiment, above-mentioned unusual condition is storage control module 120, network control module 130
And the abnormal startup of PVR control modules 140.Such as during TV programme are played, the network function of television equipment is set
Being set to be activated, if this when of data protection module 150 receives the network control from network control module 130
Information, display network control module 130 just start, that is, representing has unusual condition, it is likely that have rogue program just through electricity
Multimedia data transmission in buffer is gone out and encroaches on the copyright of multi-medium data by the network interface of view apparatus, or transmission
The information of multi-medium data, such as title, classification, digest portions programs etc., and encroach on the privacy of user.Data protection module at this time
150, which can pass through Application Program Interface, stops network control module 130, or even stops multimedia playing module 110 at the same time.
In another preferred embodiment, above-mentioned unusual condition is storage control module 120, network control module
More than one setting value of data volume handled by 130 and PVR control modules 140.Such as in the multimedia for playing video and audio CD disc
While appearance, storage control module 120 is writing data into external storage device, if this when of data protection module
150 receive the storage control information from storage control module 120, learn storage control module 120 in being deposited in preset time
The data volume taken is equal with the data volume that same time inner multimedia playing module 110 is played or more than certain proportion, such as
50%, that is, representing has unusual condition, it is likely that has rogue program to fill the multi-medium data in buffer through TV
The storage interface put is stored to storage facilities.Data protection module 150 can pass through Application Program Interface and stop storing at this time
Control module 120, or even stop multimedia playing module 110 at the same time.
Please continue to refer to Fig. 1, TV control chip of the invention also includes screen display module 160, for controlling TV
The screen display of device（on screen display,OSD）, that is to say, that television equipment includes information prompting function.Data are protected
Protect module 150 and couple screen display module 160, when it notes abnormalities situation, the display news of screen display module 160 can be controlled
Cease to alert user.
Referring to Fig. 2, it is the flow chart of an embodiment of the method for the control television equipment of the present invention.Except foregoing electricity
Outside depending on control chip, the present invention also accordingly discloses a kind of method for controlling television equipment, applied to data processing
The television equipment of function, can protect the safety of multi-medium data.In a preferred embodiment, the data processing of television equipment
Function includes data storage function, network transmission function, function of making video recording etc., but is not limited；Opposite, the control of television equipment
Coremaking piece includes data processing module, more particularly, if corresponding above-mentioned preferred embodiment, the control chip of television equipment
Include multimedia playing module, storage control module, network control module and PVR control modules.This method is by the TV preceding taken off
Control chip or its equivalent device perform.As shown in Fig. 2, one embodiment of the invention comprises the steps of：
Step S210：Judge whether television equipment is playing content of multimedia.If television equipment is playing TV
Program or the content of multimedia for being stored in storage facilities, represent that the multi-media player function of television equipment is driven, and
Produce multimedia information.If television equipment is not playing content of multimedia, stop is persistently checked in this step,
Otherwise step S220 is carried out；
Step S220：Start the data protection schemes of television equipment.The data protection schemes of television equipment are just opened after starting
Whether beginning monitoring television device has unusual condition；
Step S230：Obtain the data processing of information of data processing module.More particularly, when the process of multimedia
In, if the data processing function of television equipment needs to be driven, corresponding function is driven, and produce corresponding number
According to processing information.Such as need to store data, then driving data storage function, and produce data during multimedia
Store information.This step can be for its data processing of information of the partly or entirely acquirement of above-mentioned module.The data processing of information
Two kinds of messages may be included, a kind of is the starting state of module, and another kind is module in data volume handled in preset time；
Step S240：Data processing of information according to data processing module determines whether that abnormal module starts.Example
Such as when television equipment is playing copyrighted music data, the data storage function of television equipment should not be opened
Dynamic, if the storage control information of this when of storage control module shows that storage function is starting, that is, representing has not just
Normal module starts.Abnormal module starts the unusual condition that can be considered as television equipment, therefore when the operation information of module
Show abnormal module to start, then carry out step S260, otherwise carry out step S250；
Step S250：Data processing of information according to data processing module judges whether the data volume of the resume module exceedes
One setting value.The setting value can be multimedia playing module in data volume handled in a preset time, that is,
The data volume for the multi-medium data that television equipment is played in the preset time；Can also be multimedia playing module in one
The part of handled data volume in preset time, such as 50%.Unusual condition has illustrated in the device inventions preceding taken off, therefore
Repeat no more.When data processing module exceedes setting value in data volume handled in preset time, unusual condition is represented,
Step S260 is performed at this time；If being not above setting value, step S230 is returned to, continues the data by data processing module
Whether processing information carrys out monitoring TV device abnormal；And
Step S260：Give a warning and stop the data processing function and/or stop playing.When there is unusual condition,
User can be alerted by the screen display of television equipment, and stop the data processing work(for causing unusual condition to occur
Energy, and stopping multimedia playing module that can be selective continue to play multi-medium data.
Due to the art, tool usually intellectual can understand Fig. 2's by the disclosure of the device inventions of Fig. 1
The implementation detail of method invention and change, therefore, to avoid superfluous text, are not influencing the announcement requirement of this method invention and can implement
On the premise of property, repeat description gives memorandum herein.Taken off before note that in diagram, the shape of element, size, ratio and
Order of step etc. is only signal, is to understand the present invention for the art tool usually intellectual to be used, is not used to limitation originally
Invention.In addition, the art personage can disclosure under this invention and the demand of itself optionally implement any implementation
The part or all of technical characteristic of example, or optionally implement the combination of the part or all of technical characteristic of multiple embodiments,
Elasticity when thereby the increase present invention is implemented.Furthermore though preceding embodiment of taking off is with multi-media player function, data storage function, net
Exemplified by network transfer function and PVR functions, so this is not limitation of the present invention, and the art personage under this invention can disclose
Suitably apply the present invention to the television equipment with other data processing functions.
Although the embodiment of the present invention is as described above, but those embodiments are not to be used for limiting the present invention, this technology neck
Domain tool usually intellectual can impose change according to the content expressed or implied of the present invention to the technical characteristic of the present invention, it is all this
Many variations may belong to the patent protection category sought by the present invention, and in other words, scope of patent protection of the invention is by weighing
Subject to sharp claim defines.
Claims (20)
1. a kind of control chip, for controlling a playing device, which includes at least a multi-media player function and one
Data processing function, which is a data storage function, a network transmission function and one makes video recording function extremely
One of few, which includes：
One multimedia playing module, for driving the multi-media player function, and produces and played multi-medium data amount phase
The multimedia information closed；
One data processing module, for driving the data processing function, and produces and the processed relevant data of data volume
Processing information；And
One data protection module, couples the multimedia playing module and the data processing module, for comparing the multimedia
The corresponding played multi-medium data amount of information and the corresponding processed data volume of the data processing of information, to be controlled
The multimedia playing module stops the multi-media player function with controlling the data processing module to stop in the data processing function
At least one of.
2. control chip as claimed in claim 1, it is characterised in that the multimedia information is included in a preset time
The multi-medium data amount of broadcasting, the data processing of information include data volume processed in the preset time.
3. control chip as claimed in claim 2, it is characterised in that when data volume processed in the preset time is more than one
Preset value, the data protection module are controlled the multimedia playing module and stop the multi-media player function with controlling the data
Processing module stops at least one of the data processing function.
4. control chip as claimed in claim 3, it is characterised in that the preset value and the more matchmakers that played in the preset time
Volume data amount is related.
5. control chip as claimed in claim 1, it is characterised in that the data processing of information is opened comprising the data processing function
Begin powered information.
6. control chip as claimed in claim 1, it is characterised in that the data protection module is controlled through a callback function
Make the multimedia playing module and stop the multi-media player function with controlling the data processing module to stop the data processing function
At least one of, wherein, the callback function have highest authority read-write can instruction.
7. control chip as claimed in claim 1, it is characterised in that the data processing function is a data storage function, should
Playing device by the data storage function by data storage to a storage facilities, and the data processing module for one storage control
Molding block, for driving the data storage function.
8. control chip as claimed in claim 1, it is characterised in that the data processing function is a network transmission function, should
Playing device sends data to the equipment with the playing device line, and the data processing mould by the network transmission function
Block is a network control module, for driving the network transmission function.
9. control chip as claimed in claim 1, it is characterised in that the data processing function is made video recording function for one, the broadcasting
Device captures the multi-medium data of playing device broadcasting by the function of making video recording and will capture content storage to the playing device
Built-in or external storage facilities, and the data processing module is made video recording control module for one, for driving the function of making video recording.
10. control chip as claimed in claim 1, it is characterised in that the playing device also includes an information prompting function, should
Control chip also includes：
One screen display module, couples the data protection module, for driving the information prompting function；
Wherein, which controls the screen display module according to the multimedia information and the data processing of information
Drive the information prompting function.
11. a kind of method for controlling a playing device, the playing device are included at least at a multi-media player function and a data
Function is managed, which is a data storage function, a network transmission function and one makes video recording function at least within
One of, which includes：
The multi-media player function is driven, and is produced and the played relevant multimedia information of multi-medium data amount；
The data processing function is driven, and is produced and the processed relevant data processing of information of data volume；And
Compare the corresponding played multi-medium data amount of the multimedia information and the data processing of information is corresponding has located
The data volume of reason, to stop at least one of the multi-media player function and the data processing function.
12. control method as claimed in claim 11, it is characterised in that the multimedia information is included in a preset time
Played multi-medium data amount, the data processing of information include data volume processed in the preset time.
13. control method as claimed in claim 12, it is characterised in that when data volume processed in the preset time is more than
One preset value, then stop at least one of the multi-media player function and the data processing function.
14. control method as claimed in claim 13, it is characterised in that the preset value is more with played in the preset time
Media data amount is related.
15. control method as claimed in claim 11, it is characterised in that the data processing of information includes the data processing function
Start powered information.
16. control method as claimed in claim 11, it is characterised in that this according to the multimedia information and the data at
Reason information the step of stopping at least one of the multi-media player function and the data processing function pass through a callback function into
OK, wherein, the callback function have highest authority read-write can instruction.
17. control method as claimed in claim 11, it is characterised in that the data processing function is a data storage function,
The playing device is by the data storage function by data storage a to storage facilities.
18. control method as claimed in claim 11, it is characterised in that the data processing function is a network transmission function,
The playing device sends data to the equipment with the playing device line by the network transmission function.
19. control method as claimed in claim 11, it is characterised in that the data processing function is made video recording function for one, this is broadcast
Device is put to capture the multi-medium data of playing device broadcasting by the function of making video recording and content storage will be captured to broadcasting dress
The built-in or external storage facilities put.
20. control method as claimed in claim 11, it is characterised in that the playing device also includes an information prompting function,
The control method also includes：The information prompting function is performed according to the multimedia information and the data processing of information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310503523.3A CN104581232B (en) | 2013-10-23 | 2013-10-23 | Has the method for the TV control chip and control television equipment of data protection function |
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| CN201310503523.3A CN104581232B (en) | 2013-10-23 | 2013-10-23 | Has the method for the TV control chip and control television equipment of data protection function |
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| CN104581232B true CN104581232B (en) | 2018-04-27 |
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| CN1835580A (en) * | 2006-04-14 | 2006-09-20 | 华中科技大学 | Video copyright protecting and monitoring system in digital television |
| JP2009130743A (en) * | 2007-11-26 | 2009-06-11 | Toshiba Corp | Copyright protection apparatus and information processing device |
| CN101350918A (en) * | 2008-09-05 | 2009-01-21 | 清华大学 | Method for protecting copyright of video content |
| CN102387419A (en) * | 2011-11-04 | 2012-03-21 | 深圳市网合科技股份有限公司 | Network television receiver and method for preventing illegal file transmission |
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