CN102170592A - Program previewing method and system based on digital television - Google Patents
Program previewing method and system based on digital television Download PDFInfo
- Publication number
- CN102170592A CN102170592A CN2011101193510A CN201110119351A CN102170592A CN 102170592 A CN102170592 A CN 102170592A CN 2011101193510 A CN2011101193510 A CN 2011101193510A CN 201110119351 A CN201110119351 A CN 201110119351A CN 102170592 A CN102170592 A CN 102170592A
- Authority
- CN
- China
- Prior art keywords
- preview
- program
- privately owned
- timer
- blanking time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a program previewing method and system based on a digital television, wherein the method comprises: a set top box receives and analyzes the program mapping table of a corresponding channel program according to the channel switching command of a user; whether a previewing identifier exists in the private descriptor of the program mapping table is judged; if so, an identifier transmission packet in the private descriptor is transmitted to a condition receiving system, and the condition receiving system judges whether the identifier transmission packet is authorized; and if no, the previewing procedure is carried out. The invention correspondingly provides the program previewing system based on the digital television. The embodiment of the invention has the following beneficial effects: a program previewing function can be achieved in a unidirectional broadcast system of a digital video broadcasting-cable (DVB-C), a digital video broadcasting-terrestrial (DEVB-T) and a digital video broadcasting-satellite (DVB-S), thus programs can be preferably popularized; the operation is simple, additional management systems are not required, and the program previewing function can be achieved based on the existing conditional access (CA) system; and preview programs can be scrambled by virtue of an CA front-end system, thus the safety of program content can be enhanced.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method for previewing programs and system based on Digital Television.
Background technology
Along with popularizing of Digital Television, sponsored program constantly increases., people get used to watching free TV programme, be short in understanding for sponsored program, and sponsored program beyond affordability, so the Digital Television sponsored program needs to promote.Traditional popularization pattern is to do demonstration in the business hall or pass through the CA(condition to receive; Conditional Access) system's pre-authorization allows the user freely experience a period of time, but this propaganda and user experience means are difficult to accomplish real-time reaction programme content and protection programme content.
China's application number is 200710143004.5, and name is called in the open application for a patent for invention of " method and system that direct broadcast band is carried out preview in Web TV ", has proposed a kind of method and system of direct broadcast band being carried out preview in Web TV.It mainly is that front end is controlled by a kind of preview management system and do not had authorized user can carry out previewing programs, this method needs user side passback user profile, front end is judged by user profile whether this user has by ordering this program and is obtained the authorization, clearly the network environment of this method is a bidirectional network environment, and be not suitable at present based on the DVB-C(digital video broadcast for cable, Digital Video Broadcasting-Cable), the DVB-T(digital video broadcast-terrestrial, Digital Video Broadcasting-Terrestrial), DVB-S(satellite digital video broadcast, Digital Video Broadcasting-Satellite) unilateral network.And this method needs the complete preview management system of a cover carry out the preview control and management, system complex and be difficult for realizing.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of method and system that can carry out previewing programs based on unilateral network are provided, and this system is simple and easy to realize, does not need additionally to increase authentication management system and preview management system.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of method for previewing programs based on Digital Television, comprising:
Set-top box receives and resolves the Program Map Table of corresponding channel program according to user's the instruction frequently of cutting;
Judge in the privately owned descriptor of described Program Map Table whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system;
Described condition receiving system judges that described identity code transmission package has or not mandate, as not having, then enters the preview flow process.
Further, in cut the frequently instruction of set-top box according to the user, receive and resolve before the Program Map Table step of corresponding channel, also comprise: in the Program Map Table of digital TV front-end system, increase a privately owned descriptor, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor is also preserved identity code transmission package and other pre-review information of this program.
Further, described other pre-review information comprises preview duration and preview blanking time.
Further, described preview flow process is as follows:
The beginning playing programs, the timer of preview simultaneously picks up counting;
Whether the timing of judging described preview timer surpasses the default preview duration, if surpass, then stops described playing programs, and simultaneously, the interval timer zero clearing restarts timing.
Further, in the beginning playing programs, before simultaneously the preview timer picks up counting step, also comprise:
Whether the timing of judging described interval timer surpasses default blanking time, if do not surpass, then prompting does not reach blanking time and can not this program of preview, if surpass, then carries out next step.
Accordingly, the present invention also provides a kind of programme prebrowsing system based on Digital Television, and described system comprises: set-top box and condition receiving system;
Described set-top box, be used for the instruction frequently of cutting, receive and resolve the Program Map Table of corresponding channel program, judge in the privately owned descriptor of described Program Map Table whether contain the preview identifier according to the user, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system;
Be used for when receiving the preview control information of condition receiving system passback, this channel program being carried out preview playing;
Described condition receiving system is used to judge that described identity code transmission package has or not mandate, as not having, then to described set-top box passback preview control information.
Further, described system also comprises: the digital TV front-end system, be used for increasing a privately owned descriptor at its Program Map Table, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor also is used for preserving identity code transmission package and other pre-review information of this program.
Further, described other pre-review information comprises preview duration and preview blanking time.
Further, described set-top box comprises: preview timer, first judging unit and interval timer;
Described preview timer is used for preview duration of recorded program;
Described first judging unit, the preview duration that is used to judge described preview timer record, whether if surpass, the preview that then stops described program was play above the default preview duration;
Described interval timer, the preview blanking time that is used to write down described program.
Further, described set-top box also comprises second judging unit, be used for when the described program of user's program request, whether the preview of judging described interval timer record surpasses default preview blanking time blanking time, if do not surpass, then prompting does not reach preview blanking time and can not this program of preview, if surpass, then begins playing programs.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program; Be provided with preview duration and preview blanking time, when program is promoted in preview, can better protect sponsored program.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment schematic flow sheet of a kind of method for previewing programs based on Digital Television of the present invention;
Fig. 2 is the second embodiment schematic flow sheet of a kind of method for previewing programs based on Digital Television of the present invention;
Fig. 3 is the 3rd an embodiment schematic flow sheet of a kind of method for previewing programs based on Digital Television of the present invention;
Fig. 4 is that first example structure of a kind of programme prebrowsing system based on Digital Television of the present invention is formed schematic diagram;
Fig. 5 is that second example structure of a kind of programme prebrowsing system based on Digital Television of the present invention is formed schematic diagram;
Fig. 6 is that first example structure of the set-top box of a kind of programme prebrowsing system based on Digital Television of the present invention is formed schematic diagram;
Fig. 7 is that second example structure of the set-top box of a kind of programme prebrowsing system based on Digital Television of the present invention is formed schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of method for previewing programs based on Digital Television, below in conjunction with Fig. 1 to Fig. 7 the embodiment of the method for previewing programs that the present invention is based on Digital Television is described.
Fig. 1 is the first embodiment schematic flow sheet that the present invention is based on the method for previewing programs of Digital Television.As shown in Figure 1, the method for present embodiment comprises:
Step S110, set-top box receives and resolves the Program Map Table of corresponding channel program according to user's the instruction frequently of cutting.
Concrete, in cut the frequently instruction of set-top box according to the user, receive and resolve before the Program Map Table step of corresponding channel, also comprise: in the Program Map Table of digital TV front-end system, increase a privately owned descriptor, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor is also preserved identity code transmission package and other pre-review information of this program.
Further, described other pre-review information comprises preview duration and preview blanking time.
In the specific implementation, in the Program Map Table (Program Map Table is hereinafter to be referred as pmt table) of digital TV front-end system, increase the Programe_preview_descriptor descriptor, its specific descriptions and being defined as follows:
Programe_preview_descriptor{
descriptor_tag 8?uimsbf
descriptor?_length 8?uimsbf
for(i=0;i<N;i++){
ppid 16?uimsbf
preview_time 8?uimsbf
alternation_time 8?uimsbf
}
}
Wherein, preview identifier descriptor_tag:8 bit field, but indicate whether this program is previewing program, for example we to define the preview identifier be 0xDD, when occurring preview identifier 0xDD in the pmt table, but represent this program preview, otherwise this program can not preview.
Identity code transmission package (Packet IDdentifier, hereinafter to be referred as PID) the ppid:16 bit field, describe a certain data PID in this frequency, these data are mainly used in to condition and receive (Conditional Access is hereinafter to be referred as CA) management system to the program empowerment management.
Preview duration preview_time:8 bit field, the preview duration that is used to describe this program.
Interval duration alternation_time:8 bit field, the preview blanking time that is used to describe this program.
Step S111 judges in the privately owned descriptor of described Program Map Table whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system.
Concrete, shown in step S110, for example defining the preview identifier is 0xDD.Then judge in the privately owned descriptor of described pmt table whether contain preview identifier 0xDD, in this way, then the pid data in the described privately owned descriptor is transferred to condition receiving system.
Step S112, described condition receiving system judge that described identity code transmission package has or not mandate, as not having, then enter the preview flow process.
Concrete, described condition receiving system judges that described identity code transmission package has or not mandate, as not having, then enters the preview flow process; If any, then enter usual manner and watch.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program.
Fig. 2 is the second embodiment schematic flow sheet that the present invention is based on the method for previewing programs of Digital Television.As shown in Figure 2, the method for present embodiment comprises:
Step S210, set-top box receives and resolves the Program Map Table of corresponding channel program according to user's the instruction frequently of cutting.
Concrete, identical with step S110 in embodiment illustrated in fig. 1, repeat no more herein.
Step S211 judges in the privately owned descriptor of described pmt table whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system.
Concrete, identical with step S111 in embodiment illustrated in fig. 1, repeat no more herein.
Step S212, described condition receiving system judge that described identity code transmission package has or not mandate, as not having, begin playing programs, and the timer of preview simultaneously picks up counting.
Concrete, described condition receiving system judges when described identity code transmission package does not have mandate that the beginning previewing programs is play, the timer of preview simultaneously picks up counting, to measure the duration of actual preview.
Step S213 judges whether the timing of described preview timer surpasses the default preview duration, if surpass, then stops described playing programs, and simultaneously, the interval timer zero clearing restarts timing.
Concrete, preestablished the preview duration in the described preview timer, surpass the described predefined preview duration when the duration of the actual preview of measuring, then stop described playing programs, promptly stop preview.Simultaneously, the interval timer zero clearing restarts timing, to measure preview blanking time actual before the preview next time.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program; Be provided with preview duration and preview blanking time, when program is promoted in preview, can better protect sponsored program.
Fig. 3 is the 3rd embodiment schematic flow sheet that the present invention is based on the method for previewing programs of Digital Television.As shown in Figure 3, the method for present embodiment comprises:
Step S310, set-top box receives and resolves the Program Map Table of corresponding channel program according to user's the instruction frequently of cutting.
Concrete, identical with step S110 in embodiment illustrated in fig. 1, repeat no more herein.
Step S311 judges in the privately owned descriptor of described Program Map Table whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system.
Concrete, identical with step S111 in embodiment illustrated in fig. 1, repeat no more herein.
Step S312, described condition receiving system judges that described identity code transmission package has or not mandate, as not having, whether the timing of then judging described interval timer surpasses default blanking time, if do not surpass, then prompting does not reach blanking time and can not this program of preview, if surpass, then carries out next step.
Concrete, when this preview is non-preview first, earlier preview is judged blanking time.Be provided with preview blanking time in the described interval timer in advance, in addition, when described interval timer finishes in last once preview, the preview of reality is measured blanking time, whether surpass predefined preview blanking time preview blanking time of judging this measurement, if do not surpass, then prompting does not reach preview blanking time and can not this program of preview; If surpass, then can preview, enter step S313.
Step S313, the beginning playing programs, the timer of preview simultaneously picks up counting.
Concrete, the beginning previewing programs is play, and the timer of preview simultaneously picks up counting, to measure the duration of actual preview.
Step S314 judges whether the timing of described preview timer surpasses the default preview duration, if surpass, then stops described playing programs, and simultaneously, the interval timer zero clearing restarts timing.
Concrete, be provided with the preview duration in advance in the described preview timer, surpass the described preview duration that is provided with in advance when the duration of the actual preview of measuring, then stop described playing programs, promptly stop preview.Simultaneously, the interval timer zero clearing restarts timing, to measure preview blanking time actual before the preview next time.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program; Be provided with preview duration and preview blanking time, when program is promoted in preview, can better protect sponsored program.
Correspondingly, the embodiment of the invention also provides a kind of programme prebrowsing system based on Digital Television, below in conjunction with Fig. 4 to Fig. 7 the example structure of the programme prebrowsing system that the present invention is based on Digital Television is formed to describe.
Fig. 4 is that first example structure that the present invention is based on the programme prebrowsing system of Digital Television is formed schematic diagram.As shown in Figure 4, the system 1 of present embodiment comprises: set-top box 11 and condition receiving system 12.
Described set-top box 11, be used for the instruction frequently of cutting according to the user, receive and resolve the Program Map Table of corresponding channel program, judge in the privately owned descriptor of described Program Map Table and whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system;
Be used for when receiving the preview control information of condition receiving system passback, this channel program being carried out preview playing.
Described condition receiving system 12 is used to judge that described identity code transmission package has or not mandate, as not having, then to described set-top box passback preview control information.
Concrete, when described set-top box is received described preview control information, this channel program is carried out preview play.Specifically see also Fig. 6, described set-top box 11 comprises: preview timer 111, first judging unit 112 and interval timer 113.
Described preview timer 111 is used for preview duration of recorded program.
Described first judging unit 112, the preview duration that is used to judge described preview timer record, whether if surpass, the preview that then stops described program was play above the default preview duration.
Described interval timer 113, the preview blanking time that is used to write down described program.
Preferably, see also Fig. 7, described set-top box 11 comprises: preview timer 111, first judging unit 112, interval timer 113 and second judging unit 114.
Described second judging unit 114, be used for when the described program of user's program request, whether the preview of judging described interval timer record surpasses default preview blanking time blanking time, if do not surpass, then prompting does not reach preview blanking time and can not this program of preview, if surpass, then begin playing programs.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program; Be provided with preview duration and preview blanking time, when program is promoted in preview, can better protect sponsored program.
Fig. 5 is that second example structure that the present invention is based on the programme prebrowsing system of Digital Television is formed schematic diagram.As shown in Figure 5, the system 2 of present embodiment comprises: set-top box 11, condition receiving system 12 and digital TV front-end system 13;
Described set-top box 11, be used for the instruction frequently of cutting according to the user, receive and resolve the Program Map Table of corresponding channel program, judge in the privately owned descriptor of described Program Map Table and whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system.
Described condition receiving system 12 is used to judge that described identity code transmission package has or not mandate, as not having, then enters the preview flow process.
Digital TV front-end system 13, be used for increasing a privately owned descriptor at its Program Map Table, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor also is used for preserving identity code transmission package and other pre-review information of this program.
Further, described other pre-review information comprises preview duration and preview blanking time.
Implement the embodiment of the invention, have following beneficial effect:
Utilize existing condition receiving system to realize the preview of digital television program is managed, can in the one-way broadcast systems of DVB-C, DVB-T and DVB-S, realize the previewing programs function, thereby better carry out the popularization of sponsored program; Be provided with preview duration and preview blanking time, when program is promoted in preview, can better protect sponsored program.
Present embodiment one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. the method for previewing programs based on Digital Television is characterized in that, comprising:
Set-top box receives and resolves the Program Map Table of corresponding channel program according to user's the instruction frequently of cutting;
Judge in the privately owned descriptor of described Program Map Table whether contain the preview identifier, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system;
Described condition receiving system judges that described identity code transmission package has or not mandate, as not having, then enters the preview flow process.
2. method according to claim 1, it is characterized in that, in cut the frequently instruction of set-top box according to the user, receive and resolve before the Program Map Table step of corresponding channel, also comprise: in the Program Map Table of digital TV front-end system, increase a privately owned descriptor, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor is also preserved identity code transmission package and other pre-review information of this program.
3. method according to claim 2 is characterized in that, described other pre-review information comprises preview duration and preview blanking time.
4. method according to claim 1 is characterized in that, described preview flow process is as follows:
The beginning playing programs, the timer of preview simultaneously picks up counting;
Whether the timing of judging described preview timer surpasses the default preview duration, if surpass, then stops described playing programs, and simultaneously, the interval timer zero clearing restarts timing.
5. method according to claim 4 is characterized in that, in the beginning playing programs, before simultaneously the preview timer picks up counting step, also comprises:
Whether the timing of judging interval timer surpasses default preview blanking time, if do not surpass, then prompting does not reach preview blanking time and can not this program of preview, if surpass, then carries out next step.
6. the programme prebrowsing system based on Digital Television is characterized in that, described system comprises: set-top box and condition receiving system;
Described set-top box, be used for the instruction frequently of cutting, receive and resolve the Program Map Table of corresponding channel program, judge in the privately owned descriptor of described Program Map Table whether contain the preview identifier according to the user, in this way, then the identity code transmission package in the described privately owned descriptor is transferred to condition receiving system;
Be used for when receiving the preview control information of condition receiving system passback, this channel program being carried out preview playing;
Described condition receiving system is used to judge that described identity code transmission package has or not mandate, as not having, then to described set-top box passback preview control information.
7. system according to claim 6, it is characterized in that, described system also comprises: the digital TV front-end system, be used for increasing a privately owned descriptor at its Program Map Table, but described privately owned descriptor is used for describing the whether preview of this program, but when preview, described privately owned descriptor also is used for preserving identity code transmission package and other pre-review information of this program.
8. system according to claim 7 is characterized in that, described other pre-review information comprises preview duration and preview blanking time.
9. system according to claim 6 is characterized in that, described set-top box comprises: preview timer, first judging unit and interval timer;
Described preview timer is used for preview duration of recorded program;
Described first judging unit, the preview duration that is used to judge described preview timer record, whether if surpass, the preview that then stops described program was play above the default preview duration;
Described interval timer, the preview blanking time that is used to write down described program.
10. system according to claim 9, it is characterized in that, described set-top box also comprises second judging unit, be used for when the described program of user's program request, whether the preview of judging described interval timer record surpasses default preview blanking time blanking time, if do not surpass, then prompting does not reach preview blanking time and can not this program of preview, if surpass, then begin playing programs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110119351 CN102170592B (en) | 2011-05-10 | 2011-05-10 | Program previewing method and system based on digital television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110119351 CN102170592B (en) | 2011-05-10 | 2011-05-10 | Program previewing method and system based on digital television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102170592A true CN102170592A (en) | 2011-08-31 |
| CN102170592B CN102170592B (en) | 2013-11-06 |
Family
ID=44491545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110119351 Active CN102170592B (en) | 2011-05-10 | 2011-05-10 | Program previewing method and system based on digital television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102170592B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547380A (en) * | 2011-12-31 | 2012-07-04 | 深圳创维数字技术股份有限公司 | Program content playing method and device |
| CN104935960A (en) * | 2015-06-09 | 2015-09-23 | 四川长虹电器股份有限公司 | Seamless connection method between local media resource and digit television |
| CN109874039A (en) * | 2019-03-13 | 2019-06-11 | 深圳市天威视讯股份有限公司 | TV control method, condition receiving system and set-top box |
| CN109889903A (en) * | 2019-03-13 | 2019-06-14 | 深圳市天威视讯股份有限公司 | TV control method, system and the set-top box realized based on front-end server |
| CN112312171A (en) * | 2020-09-30 | 2021-02-02 | 广西广播电视信息网络股份有限公司 | System and method for realizing digital television program preview function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1239678A2 (en) * | 2001-03-07 | 2002-09-11 | Matsushita Electric Industrial Co., Ltd. | Storage type receiving device |
| CN1774926A (en) * | 2003-12-05 | 2006-05-17 | 索尼株式会社 | Content distribution system and distribution method, and content processing device and processing method |
| CN1890976A (en) * | 2003-12-05 | 2007-01-03 | 索尼株式会社 | Content distribution system and distribution method, and content processing device and processing method |
| CN101202917A (en) * | 2006-12-28 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Method and system for searching TV program |
| CN101371581A (en) * | 2006-01-19 | 2009-02-18 | 摩托罗拉公司 | Preview service management for digital video broadcast in wireless communication devices |
| CN101437144A (en) * | 2008-12-22 | 2009-05-20 | 中兴通讯股份有限公司 | Mobile multimedia broadcast receiving terminal and method for previewing program |
| CN101442664A (en) * | 2008-12-24 | 2009-05-27 | 中兴通讯股份有限公司 | Terminal, system and method for previewing program in mobile multimedia broadcast system |
| CN101489094A (en) * | 2008-01-15 | 2009-07-22 | 深圳市同洲电子股份有限公司 | Subscribing, previewing method and system for ciphered program and front end processing system |
-
2011
- 2011-05-10 CN CN 201110119351 patent/CN102170592B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1239678A2 (en) * | 2001-03-07 | 2002-09-11 | Matsushita Electric Industrial Co., Ltd. | Storage type receiving device |
| CN1774926A (en) * | 2003-12-05 | 2006-05-17 | 索尼株式会社 | Content distribution system and distribution method, and content processing device and processing method |
| CN1890976A (en) * | 2003-12-05 | 2007-01-03 | 索尼株式会社 | Content distribution system and distribution method, and content processing device and processing method |
| CN101371581A (en) * | 2006-01-19 | 2009-02-18 | 摩托罗拉公司 | Preview service management for digital video broadcast in wireless communication devices |
| CN101202917A (en) * | 2006-12-28 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Method and system for searching TV program |
| CN101489094A (en) * | 2008-01-15 | 2009-07-22 | 深圳市同洲电子股份有限公司 | Subscribing, previewing method and system for ciphered program and front end processing system |
| CN101437144A (en) * | 2008-12-22 | 2009-05-20 | 中兴通讯股份有限公司 | Mobile multimedia broadcast receiving terminal and method for previewing program |
| CN101442664A (en) * | 2008-12-24 | 2009-05-27 | 中兴通讯股份有限公司 | Terminal, system and method for previewing program in mobile multimedia broadcast system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547380A (en) * | 2011-12-31 | 2012-07-04 | 深圳创维数字技术股份有限公司 | Program content playing method and device |
| CN102547380B (en) * | 2011-12-31 | 2014-05-14 | 深圳创维数字技术股份有限公司 | Program content playing method and device |
| CN104935960A (en) * | 2015-06-09 | 2015-09-23 | 四川长虹电器股份有限公司 | Seamless connection method between local media resource and digit television |
| CN109874039A (en) * | 2019-03-13 | 2019-06-11 | 深圳市天威视讯股份有限公司 | TV control method, condition receiving system and set-top box |
| CN109889903A (en) * | 2019-03-13 | 2019-06-14 | 深圳市天威视讯股份有限公司 | TV control method, system and the set-top box realized based on front-end server |
| CN109889903B (en) * | 2019-03-13 | 2021-08-17 | 深圳市天威视讯股份有限公司 | Television control method and system realized based on front-end server and set top box |
| CN112312171A (en) * | 2020-09-30 | 2021-02-02 | 广西广播电视信息网络股份有限公司 | System and method for realizing digital television program preview function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102170592B (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6575831B2 (en) | Transmission device, transmission method, and program | |
| CN102170592B (en) | Program previewing method and system based on digital television | |
| EP2424267B1 (en) | Receiver, reception method, transmitter, transmission method, program and broadcasting system | |
| CN100563311C (en) | Messaging device and control method thereof | |
| CA2791851C (en) | Receiver and method for reporting the usage of advanced television services | |
| US20130282870A1 (en) | Reception apparatus, reception method, transmission apparatus, transmission method, and program | |
| EP2613525A1 (en) | Receiver apparatus, reception method, transmitter apparatus, transmission method, program and broadcast system | |
| EP2456202A1 (en) | Set top box device, system and method for realizing internet protocol television (iptv) channel recording and playing | |
| CN101442664B (en) | Terminal, system and method for previewing program in mobile multimedia broadcast system | |
| CN101312521A (en) | Method and apparatus for data collection and process | |
| CN102149015A (en) | Method and corresponding device for transmitting and broadcasting encrypted channel in digital television | |
| CN106973315A (en) | CHINA RFTCOM Co Ltd multi-channel intelligent scheduled transmission system and method based on user's request | |
| CN102547379A (en) | Emergency broadcast method, emergency broadcast device and emergency broadcast front-end of digital television | |
| CN104811811A (en) | Often-watch television channel selection method based on digital television | |
| KR100924173B1 (en) | Apparatus and method for time-shift service based on multimedia information, Apparatus for reproducing multimedia using that | |
| CN101877779A (en) | Internet protocol television (IPTV) system, timeshifting control method and device | |
| CN106657837B (en) | Television system switching method and television | |
| CN204887296U (en) | Cable television fuses STB with terrestrial digital TV and IPTV terminal | |
| CN114286123A (en) | Live broadcast method and device of television program | |
| CN202004915U (en) | Programme preview control system, terminal and server | |
| KR101187386B1 (en) | Broadcasting Service System and Method Using VoD Content Channel | |
| CN102158758A (en) | Push system realization method based on digital television | |
| CN102892040A (en) | Method for controlling to play television program and digital television terminal | |
| CN104079985A (en) | Television program indexing device, system and method for providing hot channel information | |
| CN102790869A (en) | Realization method for recording programs in TV |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SKYWORTH DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SKY-WORTH DIGITAL TECHNOLOGY CO., LTD.;SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee after: Shenzhen Skyworth Digital Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee before: Shenzhen Skyworth Digital Technology Co., Ltd. |