CN102595232B - Relative information search method of digital television programs and digital television receiving terminal - Google Patents
Relative information search method of digital television programs and digital television receiving terminal Download PDFInfo
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- CN102595232B CN102595232B CN201210042850.9A CN201210042850A CN102595232B CN 102595232 B CN102595232 B CN 102595232B CN 201210042850 A CN201210042850 A CN 201210042850A CN 102595232 B CN102595232 B CN 102595232B
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4828—End-user interface for program selection for searching program descriptors
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a relative information search method of digital television programs, which comprises the following steps of: step 1. obtaining service information of digital television programs; step 2. analyzing the service information and generating a corresponding bouquet association table, wherein the bouquet association table comprises a plurality of fields relative to the digital television programs; step 3. obtaining further relative information from the Internet with the contents of the plurality of fields as index, and correspondingly forming expansion fields in the bouquet association table; step 4. retrieving the bouquet association table according to the key word to obtain a retrieval result; step 5. displaying the retrieval result to a user in a preset format; and step 6. sharing the retrieval result to the Internet. The method can improve sufficient information relevant with the digital television programs. Furthermore, the invention also provides a digital television receiving terminal.
Description
Technical field
The present invention relates to digital television techniques, particularly relate to a kind of searching method of digital television program relevant information and a kind of receiving terminal for digital television.
Background technology
Digital Television and internet television bring better seeing and hearing enjoyment popularizing of the whole world to the life of people.Meanwhile, after TV programme digital network, except video and audio signal, in digital television signal, also can transmit more information simultaneously.
In Digital Television, all videos, audio frequency, word, picture etc. all become data after digitized processing, and according to dynamic image Experts Group Compression Standard 2(MPEG-2) packing, form the transmission bag of regular length (188 bytes), then these packets are carried out multiplexing, form transport stream (Transport Stream, TS).The channel of the corresponding 8MHz bandwidth of the TS be usually made up of multiple program and service integration, each TS.
Receiving terminal for digital television is in order to find the code stream of needs, identify different business information, some guidance informations must be added in TS stream, for this reason, in Moving Picture Experts Group-2, special definition Program Specific Information (Program Specific Information, PSI), its effect carries the some TS stream of multiple program from one correctly to find specific program.
The PSI table defined in Moving Picture Experts Group-2 is the description of flowing single TS.Flow because digital television system exists multiple TS usually, the business oneself needed can be found out rapidly in TS stream to guide digital cable customers, digital video broadcasting (Digital Video Broadcasting, DVB) PSI of standard to MPEG-2 expands, the basis of PSI tetra-table adds nine tables again, forms SI(Service Information).SI is the description to all TS stream of whole system, business information (the Service Information of DVB standard definition is inserted in the TS transport stream meeting Moving Picture Experts Group-2, SI), the Integrated Receive Decoder of receiving terminal for digital television is made from TS stream, to extract the list of program offers broadcast items and broadcast parameter, with electronic program guides (Electronic Program Guide, EPG) form is shown to digital cable customers, makes user can receive easily, select digital television program.
But existing EPG can only the simple information such as display program title, reproduction time, program sectional drawing, when digital cable customers is thought to understand other information relevant to program further, current Digital Television is still helpless.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of searching method of digital television program relevant information and a kind of receiving terminal for digital television, it can show the relevant information of more abundant digital television program.
The above-mentioned each object of the present invention is realized by following technical scheme:
A searching method for digital television program relevant information, it comprises: the information on services of step one, acquisition digital television program; Step 2, analysis service information generate corresponding BAT bouquet association table, comprise the multiple fields relevant to digital television program in BAT bouquet association table; Step 3, obtain further relevant information for index from the Internet with the content of above-mentioned multiple field and correspondingly in BAT bouquet association table, form extended field; Step 4, carry out retrieving to obtain result for retrieval according to keyword in business association table; Step 5, show result for retrieval to user in a pre-defined format; And step 6, result for retrieval is shared the Internet.
As the further improvement of technique scheme, above-mentioned steps three is carried out automatically on backstage.
As the further improvement of technique scheme, in step one, information on services obtains from the source different from digital television program.
As the further improvement of technique scheme, in step 6, result for retrieval is shared the Internet and comprise result for retrieval is uploaded to resource sharing station, namely the information on services in step one obtains from described resource sharing station.
As the further improvement of technique scheme, the predetermined display mode in step 5 comprises picture-in-picture, picture out picture and combination thereof.
As the further improvement of technique scheme, the content stored in BAT bouquet association table comprises the link pointing to external data, in step 5, show described link in the mode of picture out picture, and as required with the content that the link of the mode loaded and displayed of picture-in-picture is pointed to.
As the further improvement of technique scheme, in step 6, result for retrieval is shared the Internet and comprise result for retrieval is uploaded in the private page of social network sites.
As the further improvement of technique scheme, in step 6, also comprised before result for retrieval is shared the Internet and edit to be suitable for sharing to the Internet to result for retrieval.
A kind of receiving terminal for digital television, it comprises: memory, display and processor; Processor comprises: acquiring unit, for obtaining the information on services of digital television program; Resolution unit, for resolving information on services and corresponding generation BAT bouquet association table, BAT bouquet association table is stored in memory; Expanding element, for using the content of BAT bouquet association table for index obtains further relevant information from the Internet and as the extended field of BAT bouquet association table; Retrieval unit, for carrying out retrieving to obtain result for retrieval according to keyword in BAT bouquet association table; Display unit, for controlling display with predetermined form display result for retrieval to user; And share unit, for sharing result for retrieval to the Internet.
As the further improvement of technique scheme, share unit and also edited to be suitable for sharing to the Internet to result for retrieval for result for retrieval is shared before the Internet.
Searching method and the receiving terminal for digital television of above-mentioned digital television program relevant information have the following advantages:
The first, the content that expansion of content relevant information contained based on the Internet extremely upgrades at any time;
The second, extended field is formed on backstage by receiving terminal for digital television before retrieval, do not have the generation of the phenomenons such as network delay, can at utmost promote user's experience when retrieval display;
Three, only can store link in extended field and not store actual content, can data traffic be reduced and save the memory space of BAT bouquet association table;
Four, the content retrieved can be shared to the Internet by user easily, makes the sociability of Digital Television, ease of use higher.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Accompanying drawing explanation
The flow chart of the searching method of the digital television program relevant information that Fig. 1 provides for the first embodiment.
Fig. 2 implements a kind of display mode schematic diagram of result for retrieval in the searching method of the digital television program relevant information provided for first.
Fig. 3 implements another display mode schematic diagram of result for retrieval in the searching method of the digital television program relevant information provided for first.
Fig. 4 implements a display mode schematic diagram again of result for retrieval in the searching method of the digital television program relevant information provided for first.
The structured flowchart of the receiving terminal for digital television that Fig. 5 provides for the second embodiment.
The structured flowchart of the processor of the receiving terminal for digital television that Fig. 6 provides for the second embodiment.
Embodiment
For further setting forth the present invention for the technological means that realizes predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the embodiment of the searching method of digital television program relevant information proposed according to the present invention and digital TV terminal, structure, feature and effect thereof, be described in detail as follows.
First embodiment
Refer to Fig. 1, the flow chart of the searching method of its digital television program relevant information provided for the first embodiment, said method comprises and carrying out successively:
Step 1, obtains the information on services of digital television program;
Step 2, analysis service information generate corresponding BAT bouquet association table;
Step 3, obtain further relevant information for index from the Internet with the content of described multiple field and correspondingly in described BAT bouquet association table, form extended field;
Step 4, carry out retrieving to obtain result for retrieval in business association table;
Step 5, show result for retrieval to user in a pre-defined format; And
Step 6, result for retrieval is shared the Internet
The executive agent of said method is such as that a receiving terminal for digital television is as digital television, digital TV set-top box etc.
In step 1, information on services can directly obtain from digital television signal.Particularly, for existing cable TV network, it adopts coaxial cable to connect, transmission be high-frequency signal.And tuner in receiving terminal for digital television, can be comprised, be responsible for high-frequency signal to be demodulated to digital signal transport stream (Transport Stream, TS), and the channel demodulation device of receiving terminal for digital television is responsible for TS to be reduced into digital baseband signal.Digital baseband signal directly can carry out dissection process to obtain information on services via software according to digital video broadcasting (Digital Video Broadcasting, DVB) standard.
In addition, be appreciated that, when receiving terminal for digital television is based on internet transmission signal, namely when receiving terminal for digital television is internet television, based on the flexibility of the Internet, information on services is not limited to be packaged in TS, and can transmit separately, and even digital television signal itself can be provided by different sources respectively from information on services.Now, in step 1, according to predetermined path, directly adopt Internet protocol to obtain information on services, compared to traditional cable TV network, more can reduce modulating/demodulating operation.
In step 2, in BAT bouquet association table, comprise the multiple fields relevant to described digital television program.Above-mentioned multiple field such as can comprise: program channel number, program category, programm name, program abstract, production unit/company, program classification state, actor information, director information etc.Comparatively speaking, these fields belong to comparatively convention, as long as program is once determine, these relevant information are also just determined.Therefore, these information are applicable to directly embedding in the information on services of Digital Television and go.But in actual applications, also having other relevant informations many, the recent reviews of such as other users, last state of performer/director etc. user wants understanding.But change at any time due to these information, and source variation, compare and be difficult to directly embed in the information on services of digital television signal.
Therefore, the searching method of the digital television program relevant information of the present embodiment also comprises step 3, to obtain the information on services that these are not easy to directly embed digital television signal from the Internet.In step 3, such as, digital television program name can be adopted to be called that index directly obtains relevant information from specific Information Provider, or adopt digital television program name to be called that keyword carries out retrieving and corresponding crawl relevant information on the internet.
Step 3 can be automatically carried out on backstage by receiving terminal for digital television, does not need the intervention of user.Such as, receiving terminal for digital television, after completing start, such as, after completing EPG display, can carry out the extended operation of step 3 on backstage.Now, extended operation can be for all entries in BAT bouquet association table.But be appreciated that current digital television program is numerous, complete one by one and need the more time comparatively speaking, the program that can preferentially the most often watch for user first carries out the extended operation of step 3.And the program that user the most often watches can read from user's collection or the programme subscribed.Take second place, also can add up according to the viewing of user the program carrying out predicting that user may like further, after the program extended operation the most often watched completes, the extended operation of step 3 can be carried out for the program that may like.
In addition, the time of carrying out step 3 is not limited to after powering.Such as, at user's switching channels and after keeping such as 10 seconds current channel a period of time, then mean that user probably continues to keep viewing actual program, now, automatically can carry out the extended operation of step 3 for actual program on backstage.
Being appreciated that above-mentioned opportunity of carrying out step 3 is all considerations at utmost promoting user's experience, making user can directly read from BAT bouquet association table when wanting to consult relevant information as much as possible, and need not wait for that network returns results again.
What store in extended field can be direct content or indirect content.Direct content refers to content such as character introduction, picture or the video etc. that can directly show, and indirect content refers to that needs carry out loading or resolving the content that could show, such as, link, and the content pointed by link just can show after needing to load.
When extended field is direct content, its using method is identical with other fields in BAT bouquet association table, and extended field is when being indirect content, search operaqtion does not still change, receiving terminal for digital television can learn to have relevant information, but, need when showing to load from external data source in real time or pass through further to resolve or conversion.In step 4, retrieval actions can be carried out automatically, or is initiated by user.Such as, receiving terminal for digital television provides under certain conditions, and automatic search as switching channels or when browsing channel in the epg also shows the option of relevant information.When these options are selected, can when condition trigger (user's switching channels or browse channel in the epg), namely receiving terminal for digital television can carry out search operaqtion rear automatically.Initiated such as to refer to that user presses certain button on remote controller by user.In general, the name of actual program (program play or browsing in the epg) can be adopted to be referred to as keyword retrieve in BAT bouquet association table.If precise search cannot obtain matching result, fuzzy matching can also be carried out to find the information of more related-program as far as possible.
In step 5, display result for retrieval can adopt predetermined display mode display, and above-mentioned display mode such as can comprise picture-in-picture (Picture in Picture, PIP) picture out picture (Picture Out Picture, POP) or its combination.
Particularly, as shown in Figure 2, PIP refers at key frame 21(current picture) the one or more calligraphy and painting face 22 of middle display, in calligraphy and painting face, show result for retrieval.Result for retrieval can comprise direct content or indirect content, direct content refers to that the content that can directly show is as character introduction, picture or video etc., and indirect content such as refers to a link, only after user clicks corresponding link, reload corresponding content with display.Calligraphy and painting face 22 can display the scheduled time after Automatic Hiding, or when user presses remote controller show/hide.
Refer to Fig. 3, POP refers at key frame 31(current picture) the one or more secondary picture 32 of outside display, in secondary picture 32, show result for retrieval.When adopting POP, in order to increase dynamic effect, can also adopt the form of horse race lamp, namely multiple secondary picture 32 rolls with clockwise or counterclockwise direction.
Be appreciated that above-mentioned POP and PIP can also combinationally use.Such as, user is interested in other relevant informations of actual program when watching digital television program, it can press the predetermined key on remote controller, in secondary picture 32a, show multiple link (see Fig. 4) with the form of POP, each link can point to the one or more fields in BAT bouquet association table.Now, secondary picture 32a is in state of activation, and user can adopt the directionkeys in remote controller (upper and lower, left and right) to switch the link of current activation.Secondary picture 32b is for showing the content such as summary, information of content pointed by active link in secondary picture 32a.
Such as in the diagram, the link for recent reviews shows a up-to-date comment, and prompting can have more detailed content after confirming, now, calligraphy and painting face 22 can be hidden state.After user presses acknowledgement key, as shown in Figure 4, in calligraphy and painting face 22, the content pointed by link " recent reviews " is shown with PIP form.Now, secondary picture still can be in state of activation and switches among different links to facilitate user.
In addition, in order to highlight effect, after user presses link, full frame mode can also be adopted to show relevant information, certain user can press ESC Escape and return the screen before pressing link.Or, relevant information is shown on the television image that a layer is directly superimposed upon current broadcasting.The layer of display relevant information can be opaque or opaque.This mode farthest can reduce and has an impact to current picture.
Step 6 such as initiatively can be initiated by user.Share and such as can refer to that result for retrieval is sent to special resource sharing station to be used for other users to the Internet, or to be checked this interested user in the private page of social network sites.
Mention about in the description of step 1 above, the information on services of Digital Television can obtain from the source different from digital television signal.Namely above-mentioned resource sharing station can be the source of information on services.Namely each digital TV terminal directly can obtain information on services from resource sharing station, using the content uploading that retrieves to resource sharing station as the source of information on services, can also use for other users.
And in general social network sites belongs to personal content, only have and the interested talent conference of this user is paid close attention to.
As further improvement, before result for retrieval is sent to the Internet, user can also carry out editing to make result for retrieval more be suitable for sharing to the Internet.Above-mentioned editor such as comprises the operation such as editing, amendment.Maximum 70 Chinese characters are generally only allowed for current micro-shape blog (abbreviation microblogging) fluently.Therefore generally all need to delete to meet the requirements to result for retrieval.
The searching method of the digital television program relevant information of the present embodiment has the following advantages:
The first, the content that expansion of content relevant information contained based on the Internet extremely upgrades at any time;
The second, extended field is formed on backstage by receiving terminal for digital television before retrieval, do not have the generation of the phenomenons such as network delay, can at utmost promote user's experience when retrieval display;
Three, only can store link in extended field and not store actual content, can data traffic be reduced and save the memory space of BAT bouquet association table;
Four, the content retrieved can be shared to the Internet by user easily, makes the sociability of Digital Television, ease of use higher.
Second embodiment
The structured flowchart of the receiving terminal for digital television that Fig. 5 provides for the second embodiment.As shown in Figure 6, receiving terminal for digital television 100 comprises: tuner 11, channel demodulation device 12, memory 13, display 14 and processor 15.
Tuner 11 is responsible for high-frequency signal to be demodulated to TS, and the TS that self-tuner 11 is in the future responsible for by channel demodulation device 12 is reduced into digital baseband signal.
Consult Fig. 6 further, processor 15 comprises acquiring unit 151, resolution unit 152, retrieval unit 153, expanding element 154, display unit 155 and shares unit 156.Acquiring unit 151, resolution unit 152, retrieval unit 153, expanding element 154, display unit 155 and share unit 156 for software function module.
Wherein, acquiring unit 151 for obtaining information on services from digital baseband signal; Resolution unit 152 is for resolving and corresponding generation BAT bouquet association table the information on services obtained.BAT bouquet association table can be stored in memory 13.Retrieval unit 153 is retrieved to obtain result for retrieval for carrying out in BAT bouquet association table.Expanding element 154 for using the content of BAT bouquet association table for index obtains further relevant information from the Internet and as the extended field of BAT bouquet association table.Display unit 155 is for controlling display 14 with suitable display mode display result for retrieval to user.Share unit 156 for sharing result for retrieval to the Internet.
Be appreciated that, acquiring unit 151, resolution unit 152, retrieval unit 153, expanding element 154, display unit 155 and share the step 1 of specific operation process one_to_one corresponding in the second embodiment, 2,35,4 and 5,6 of unit 155, can consult the first embodiment further.
In the BAT bouquet association table that the receiving terminal for digital television of the present embodiment generates according to information on services, the content of digital television program relevant information is expanded, and take suitable form to be shown to user, better meet the needs that user understands digital television program relevant information.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any brief introduction amendment that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a searching method for digital television program relevant information, for digital television receiving terminal, is characterized in that described method comprises:
The information on services of step one, acquisition digital television program;
Step 2, resolve described information on services and generate corresponding BAT bouquet association table, in described BAT bouquet association table, comprising the multiple fields relevant to described digital television program;
Step 3, obtain further relevant information for index from the Internet with the content of described multiple field and correspondingly in described BAT bouquet association table, form extended field;
Step 4, carry out retrieving to obtain result for retrieval according to keyword in described business association table;
Step 5, show described result for retrieval with predetermined display mode; And
Step 6, result for retrieval is shared the Internet.
2. the searching method of digital television program relevant information as claimed in claim 1, it is characterized in that, step 3 is carried out automatically on backstage.
3. the searching method of digital television program relevant information as claimed in claim 1, it is characterized in that, in step one, information on services obtains from the source different from described digital television program.
4. the searching method of digital television program relevant information as claimed in claim 3, it is characterized in that, in step 6, result for retrieval is shared the Internet to comprise result for retrieval is uploaded to resource sharing station, namely the information on services in step one obtains from described resource sharing station.
5. the searching method of digital television program relevant information as claimed in claim 1, is characterized in that, the predetermined display mode in step 5 comprises picture-in-picture, picture out picture and combination thereof.
6. the searching method of digital television program relevant information as claimed in claim 5, it is characterized in that, the content stored in described BAT bouquet association table comprises the link pointing to external data, in step 5, described link is shown in the mode of picture out picture, and as required to link the content of sensing described in the mode loaded and displayed of picture-in-picture.
7. the searching method of digital television program relevant information as claimed in claim 1, is characterized in that, in step 6, result for retrieval is shared the Internet and comprises and being uploaded in the private page of social network sites by described result for retrieval.
8. the searching method of digital television program relevant information as claimed in claim 1, is characterized in that, in step 6, also comprise and edit to be suitable for sharing to the Internet to described result for retrieval before result for retrieval is shared the Internet.
9. a receiving terminal for digital television, it comprises: memory, display and processor; It is characterized in that, described processor comprises:
Acquiring unit, for obtaining the information on services of digital television program;
Resolution unit, for resolving described information on services and corresponding generation BAT bouquet association table, BAT bouquet association table is stored in described memory;
Expanding element, for using the content of described BAT bouquet association table for index obtains further relevant information from the Internet and as the extended field of described BAT bouquet association table;
Retrieval unit, for carrying out retrieving to obtain result for retrieval according to keyword in described BAT bouquet association table;
Display unit, shows described result for retrieval to user for controlling described display with predetermined form; And
Share unit, for sharing described result for retrieval in the Internet.
10. receiving terminal for digital television as claimed in claim 9, is characterized in that, described in share unit also for editing to be suitable for sharing to the Internet to described result for retrieval being shared by described result for retrieval before the Internet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042850.9A CN102595232B (en) | 2012-02-24 | 2012-02-24 | Relative information search method of digital television programs and digital television receiving terminal |
| PCT/CN2012/075035 WO2013123723A1 (en) | 2012-02-24 | 2012-05-03 | Method for searching related information of digital television programs and digital television receiving terminal |
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| CN201210042850.9A CN102595232B (en) | 2012-02-24 | 2012-02-24 | Relative information search method of digital television programs and digital television receiving terminal |
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| CN201510029463.5A Division CN104540006A (en) | 2012-02-24 | 2012-02-24 | Searching method for digital TV program related information and digital TV receiving terminal |
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| CN104683869A (en) * | 2013-12-03 | 2015-06-03 | 利视科技股份有限公司 | Television system and method for providing information and auxiliary information of television video and audio data |
| CN104540003B (en) * | 2015-01-23 | 2018-05-01 | 广州视源电子科技股份有限公司 | TV program search method and device |
| WO2017117731A1 (en) * | 2016-01-05 | 2017-07-13 | 北京司响无限文化传媒有限公司 | Method and device for transmitting specific data in digital television broadcasting, and receive terminal |
| CN112738622B (en) * | 2019-10-14 | 2023-05-23 | 深圳Tcl数字技术有限公司 | Digital television channel data searching method, terminal and storage medium |
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| CN102595232A (en) | 2012-07-18 |
| WO2013123723A1 (en) | 2013-08-29 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |