CN102123316A - Requesting system, method and device for interactive television - Google Patents
Requesting system, method and device for interactive television Download PDFInfo
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- CN102123316A CN102123316A CN 201010622512 CN201010622512A CN102123316A CN 102123316 A CN102123316 A CN 102123316A CN 201010622512 CN201010622512 CN 201010622512 CN 201010622512 A CN201010622512 A CN 201010622512A CN 102123316 A CN102123316 A CN 102123316A
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Abstract
The invention discloses a requesting system and method for an interactive television, a portable terminal and a digital television receiving terminal. The portable terminal is interacted with an interactive television system through a portal system so as to exert an request control operation for acquiring region code handdown frequency point information, broadcast frequency point information and the like, thus the digital television receiving terminal can only has the capability of data transceiving and the capability of communication of the portable terminal, and is in no need of the capability of singling transmission, wherein the data transceiving capability refers to receive a region code handdown frequency point information, transmit a region code, receive a video stream and the like, thus a one-way digital television receiving terminal can be used in the requesting system of an interactive television in the invention without complicated upgrading reformation. In addition, a user can input the information about the required program through the portable terminal, and the use is convenient.
Description
Technical field
The present invention relates to the program request technology, particularly interactive TV VOD system, method and apparatus.
Background technology
Fig. 1 is the structural representation of interactive TV VOD system in the prior art, and this system comprises: interactive television system and bi-directional digital television receiving terminal, for example: bi-directional set-top box (STB, Set Top Box).System shown in Figure 1 is carried out the interactive TV program request according to following steps, and the receiving terminal for digital television in these steps is a bi-directional set-top box.
Step 1: set-top box is obtained the request program that the user selects.
In this step, have following dual mode to realize:
The first, set-top box is utilized bilateral network to send IP Information On Demand to interactive television system and is browsed signaling, and the request program that the reception interactive television system sends is tabulated and shown to the user.It is the signaling that meets HTML (Hypertext Markup Language) (HTTP, Hyper Text Transfer Protocol) regulation that the IP Information On Demand is here browsed signaling.The user utilizes remote controller to select a program of wanting program request from the request program tabulation;
The second, set-top box provides an inputting interface for the user, and the user utilizes remote controller directly to import the information of wanting request program, and set-top box is according to this input information and utilize bilateral network to search in interactive television system.
Step 3: set-top box utilizes bilateral network that the information of the request program of user's selection is sent to interactive television system.
In this step, set-top box sends the program request signaling to interactive television system, and the notice interactive television system is carried out the program request operation, carries the information of the request program of user's selection in this program request signaling.The program request signaling here is the signaling that meets real time streaming transport protocol (RTSP, Real Time Streaming Protocol) regulation.
Step 4: set-top box utilizes bilateral network to obtain the broadcast frequency from interactive television system.
In this step, set-top box issues the frequency point information demand signalling to interactive television system sending zone sign indicating number, and the region code that the reception interactive television system sends issues frequency point information.Set-top box issues from the region code that receives and parses region code the frequency point information and send to interactive television system, and interactive television system is determined the broadcast frequency of the request program that the user selects and sent to set-top box according to this region code.It is the signaling that meets the RTSP regulation that the region code here issues the frequency point information demand signalling.
Step 5: set-top box is utilized hybrid fiber/ coax, HFC (HFC, Hybrid Fiber Coaxial) net, and frequency is play in locking, receives the video flowing that interactive television system sends.
After step 5, if the user wishes the program of current program request is carried out operations such as time-out, F.F. or rewind down, set-top box sends the intermediate treatment signaling to interactive television system, the action type of the execution of the current hope of notice interactive television system, can also further notify the parameter of interactive television system executable operations, speed of F.F. or rewind down etc. for example, interactive television system can be according to the intermediate treatment signaling, control for example accelerates to send to set-top box the speed of video flowing to the operation of set-top box transmission video flowing according to parameter when F.F..The intermediate treatment signaling here is the signaling that meets the RTSP regulation.
As seen, in the interactive TV VOD system of prior art, set-top box not only will send signaling to interactive television system, also will send data, so the set-top box in this system can only adopt bi-directional set-top box, unless carry out complicated upgrading and transformation to interactive television system, otherwise existing a large amount of one-way set-top boxes can't use the interactive TV demand (telecommunication) service at present, on the other hand, the user must import the information of user's request program by remote controller, uses inconvenient.
Summary of the invention
The invention provides a kind of interactive TV VOD system, can adopt the one-way digital television receiving terminal to realize program request, and be user-friendly to.
The invention provides a kind of interactive TV order method, can adopt the one-way digital television receiving terminal to realize program request, and be user-friendly to.
The present invention also provides two kinds of interactive TV on-demand devices, is specially portable terminal and receiving terminal for digital television.
Technical scheme of the present invention is achieved in that
A kind of interactive TV VOD system, key are that this system comprises: portable terminal, receiving terminal for digital television, gate system and interactive television system;
Described gate system is used for communicating by letter with described interactive television system with described portable terminal respectively, realizes the communication between described portable terminal and the described interactive television system;
Described portable terminal is used to obtain the information of user's request program, and sends to described interactive television system by described gate system; Obtain interactive television system by described gate system and issue frequency point information, send to described receiving terminal for digital television according to the region code that the information of user's request program generates; Utilize region code that described receiving terminal for digital television sends, obtain the broadcast frequency of described user's request program from interactive television system, send to described receiving terminal for digital television by described gate system;
Described receiving terminal for digital television is used to resolve the region code that described portable terminal sends and issues frequency point information, obtains region code and sends to described portable terminal; Lock the broadcast frequency that described portable terminal sends, receive the video flowing of described user's request program of described interactive television system transmission.
A kind of portable terminal, key are that described portable terminal comprises: display unit, request program tabulation acquiring unit, search unit, region code issue the frequency point information acquiring unit, play the frequency acquiring unit and first Transmit-Receive Unit;
Described display unit is used to show the request program tabulation of described request program tabulation acquiring unit transmission, and the selection instruction that receives user's input also sends to described request program tabulation acquiring unit; The Search Results that perhaps shows described search unit receives the selection instruction of user's input and sends to described search unit; The request program that described selection instruction indication is chosen;
Described request program tabulation acquiring unit, be used for after receiving the instruction of obtaining program request the rendition list, send IP Information On Demand by gate system to interactive television system and browse signaling, receive the request program tabulation that described interactive television system sends by described gate system; After receiving the selection instruction of described display unit transmission, send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system;
Described search unit is used to receive the search programme information that the user imports, and searches for and receive Search Results by described gate system in described interactive television system; Send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system;
Described region code issues the frequency point information acquiring unit, is used for issuing frequency point information by the region code that described gate system reception interactive television system sends, and sends to described first Transmit-Receive Unit;
Described broadcast frequency acquiring unit is used to receive the region code that first Transmit-Receive Unit sends, and sends to described interactive television system by described gate system; Obtain described interactive television system and play frequency, send to described first Transmit-Receive Unit according to the selected video flowing of region code;
Described first Transmit-Receive Unit is used for the region code that the receiving digital television receiving terminal sends, and sends to described broadcast frequency acquiring unit; Described region code is issued region code that the frequency point information acquiring unit sends to issue frequency point information and sends to described receiving terminal for digital television; The broadcast frequency that described broadcast frequency acquiring unit is sent sends to described receiving terminal for digital television.
A kind of receiving terminal for digital television, key are that described receiving terminal for digital television comprises: resolution unit, second Transmit-Receive Unit and video reception unit;
Described resolution unit is used to resolve the region code that described second Transmit-Receive Unit sends and issues frequency point information, obtains region code and sends to described second Transmit-Receive Unit;
Described second Transmit-Receive Unit is used to receive the region code that portable terminal sends and issues frequency point information, sends to described resolution unit; The region code that described resolution unit is sent sends to described portable terminal;
Described video reception unit is used to receive the broadcast frequency that described portable terminal sends, and locks described broadcast frequency, receives the video flowing of described user's request program of interactive television system transmission.
A kind of interactive TV order method, key are that this method comprises:
A, portable terminal obtain the information of user's request program, and send to interactive television system by gate system;
B, portable terminal obtain interactive television system by gate system and issue frequency point information according to the region code that the information of user's request program generates, and send to receiving terminal for digital television;
C, receiving terminal for digital television issue frequency point information resolution areas sign indicating number according to described region code, send to portable terminal;
D, portable terminal send described region code by gate system to interactive television system, obtain interactive television system by gate system and obtain according to the selected broadcast frequency of region code, send to receiving terminal for digital television again;
E, described receiving terminal for digital television lock described broadcast frequency, receive the video flowing of the selected request program of interactive television system transmission.
As seen, in the interactive TV VOD system and method among the present invention, obtaining region code issues frequency point information and obtains program request control operations such as playing frequency and finish alternately by gate system and interactive television system by portable terminal, receiving terminal for digital television only need possess the ability of transceive data and get final product with the ability of mobile communication like this, need not to possess the ability that sends signaling, so the one-way digital television receiving terminal need not to carry out complicated upgrading and just can be used for interactive TV VOD system of the present invention.On the other hand, the user can import the information of request program by portable terminal, and is easy to use.
Description of drawings
Fig. 1 is the structural representation of interactive TV VOD system among the present invention;
Fig. 2 is the structural representation of interactive TV VOD system in the embodiment of the invention;
Fig. 3 is the structural representation of portable terminal among the present invention;
Fig. 4 is the structural representation of receiving terminal for digital television among the present invention;
Fig. 5 is the flow chart of the interactive TV order method of system shown in Figure 1.
Embodiment
For making objects and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of interactive TV VOD system among the present invention, and this system comprises: portable terminal, receiving terminal for digital television, gate system and interactive television system.
Above-mentioned gate system is used for being connected with interactive television system with portable terminal respectively, realizes the communication interaction between portable terminal and the interactive television system.
Above-mentioned portable terminal is used to obtain the information of user's request program, and sends to interactive television system by gate system; Obtain interactive television system by gate system and issue frequency point information, send to receiving terminal for digital television according to the region code that the information of user's request program generates; Utilize region code that receiving terminal for digital television sends, obtain the broadcast frequency of user's request program from interactive television system, send to receiving terminal for digital television by gate system.
Above-mentioned receiving terminal for digital television is used to resolve the region code that portable terminal sends and issues frequency point information, obtains region code and sends to portable terminal; The broadcast frequency that the locking portable terminal sends, the video flowing of user's request program that the reception interactive television system sends.
As seen, in the interactive TV VOD system among the present invention, obtaining region code issues frequency point information and obtains program request control operations such as playing frequency and finish alternately by gate system and interactive television system by portable terminal, receiving terminal for digital television only need possess the ability of transceive data and the ability of communicating by letter with portable terminal gets final product like this, need not to possess ability, therefore need not to carry out complicated digital TV network upgrading and just can make the one-way digital television receiving terminal be used for interactive TV VOD system of the present invention to gate system or interactive television system transmission signaling.On the other hand, the user can bring in the request program information that input is chosen by portable terminal, uses operation more convenient.
Provide an embodiment of interactive TV VOD system among the present invention below.
In the present embodiment, portable terminal in the interactive TV VOD system is a mobile call terminal, receiving terminal for digital television is a set-top box, and gate system is by wireless the Internet protocol (IP, Internet Protocol) network and mobile call terminal networking, and by wired IP network and interactive television system networking, DLAN agreement and the mobile call terminal networking and by HFC and interactive television system networking of set-top box by DLNA (DLNA, Digital Life Network Aliance) definition.
In embodiments of the present invention, gate system and interactive TV VOD system, portable terminal can also pass through other communication networkings, for example 3G communication network etc.Receiving terminal for digital television and interactive TV VOD system, portable terminal also can pass through other communication networkings, for example 3G communication network etc.
Based on above-mentioned networking structure, introduce various piece in the interactive TV VOD system below respectively in detail, Fig. 2 is the structural representation of interactive TV VOD system in the embodiment of the invention.
Mobile call terminal in the present embodiment comprises: display unit, request program tabulation acquiring unit, search unit, region code issue the frequency point information acquiring unit, play the frequency acquiring unit and first Transmit-Receive Unit.
Above-mentioned display unit is used to show the request program tabulation of described request program tabulation acquiring unit transmission, and the selection instruction that receives user's input also sends to request program tabulation acquiring unit; The Search Results that perhaps shows search unit receives the selection instruction of user's input and sends to described search unit; Described selection instruction indication user request program.
Above-mentioned request program tabulation acquiring unit is used for after receiving the instruction of obtaining program request the rendition list, sends IP Information On Demand by gate system to interactive television system and browses signaling; Receive the request program tabulation that interactive television system sends by gate system; After receiving the selection instruction of display unit transmission, send the program request signaling of the information of carrying user's request program to interactive television system by gate system.It is the signaling that meets the HTTP regulation that above-mentioned IP Information On Demand is browsed signaling.
Above-mentioned search unit is used to receive the program searching information that the user imports, and searches for and receive Search Results by described gate system in described interactive television system; After receiving the selection instruction of display unit transmission, send the program request signaling of the information of carrying user's request program to interactive television system by gate system.
The above-mentioned zone sign indicating number issues the frequency point information acquiring unit, is used for obtaining interactive television system by gate system and issues frequency point information according to the region code that the information of user's request program generates, and sends to first Transmit-Receive Unit.Region code issues frequency point information acquiring unit and the mutual various signalings of interactive television system, is the signaling that meets the RTSP regulation, and their concrete form repeats no more here.
Above-mentioned broadcast frequency acquiring unit is used to receive the region code that first Transmit-Receive Unit sends, and sends to interactive television system by gate system; Obtain interactive television system and play frequency, send to described first Transmit-Receive Unit according to the selected video flowing of region code.
Above-mentioned request program tabulation acquiring unit, region code issue the frequency point information acquiring unit and play the frequency acquiring unit, are specifically designed to by gate system and communicate by letter with interactive television system, can receive and send messages by Wireless IP network.
Above-mentioned first Transmit-Receive Unit is used for the region code that receiving set up box sends, and sends to play the frequency acquiring unit; Region code is issued region code that the frequency point information acquiring unit sends to issue frequency point information and sends to set-top box; The broadcast frequency of playing the transmission of frequency acquiring unit is sent to set-top box.First Transmit-Receive Unit is specifically designed to set-top box and communicates by letter, and can receive and send messages by DLAN.
Further, in order to realize to carry out intermediate treatment such as F.F., rewind down or time-out to the video flowing of program request by this mobile call terminal, then also comprise the Play Control processing unit in this mobile call terminal, be used for sending the Play Control signaling to interactive television system by gate system.On this basis, interactive television system is further according to the Play Control signaling, and control is to the operation of set-top box transmission video flowing, and for example according to F.F. or rewind down parameter, control sends the speed of video flowing to set-top box.The intermediate treatment signaling here is the signaling that meets the RTSP regulation.
Set-top box in the present embodiment comprises: resolution unit, second Transmit-Receive Unit and video reception unit.
Above-mentioned resolution unit is used to resolve the region code that second Transmit-Receive Unit sends and issues frequency point information, obtains region code and sends to second Transmit-Receive Unit.
Above-mentioned second Transmit-Receive Unit is used to receive the region code that mobile call terminal sends and issues frequency point information, sends to resolution unit; The region code that resolution unit is obtained sends to mobile call terminal.Second Transmit-Receive Unit is to be specifically designed to mobile call terminal to communicate by letter, and can receive and send messages by DLAN.Under other application scenarioss, if set-top box and mobile call terminal be not by the DLAN networking, but communicate by letter by other modes, when for example mobile call terminal and set-top box all possess bluetooth transceiver therein, can pass through Bluetooth communication, as long as possess can the communication function corresponding with mobile call terminal for second Transmit-Receive Unit here.
Above-mentioned video reception unit is used to receive the broadcast frequency that mobile call terminal sends, and locks described broadcast frequency, receives the video flowing that interactive television system sends.
Gate system in the present embodiment comprises: first retransmission unit, second retransmission unit and converting unit.
Above-mentioned first retransmission unit is used to receive the information that described mobile call terminal sends; The information that described converting unit is sent sends to described mobile call terminal.First retransmission unit is communicated by letter by Wireless IP network with mobile call terminal.
Above-mentioned second retransmission unit is used to receive the information that described interactive television system sends; The information that described converting unit is sent sends to described interactive television system.Second retransmission unit is communicated by letter by wired IP network with interactive television system.
Above-mentioned converting unit is used for changing according to the requirement of interactive television system when the information that portable terminal sends does not meet requiring of interactive television system, sends to described second retransmission unit then; When the information of interactive television system transmission does not meet requiring of set-top box, the information that interactive television system sends is changed according to the requirement of portable terminal, send to described first retransmission unit then.Converting unit can the converted contents arrangement mode, resolution etc., main purpose is in order to make mobile call terminal can correctly discern or show the information that interactive television system sends, and the information that mobile call terminal sends can correctly be discerned or show to interactive television system.
Gate system in the present embodiment can connect communicating by letter of mobile call terminal and interactive television system, solves the problem that mobile call terminal and interactive television system can not direct communications.
Interactive television system in the present embodiment, identical with existing interactive television system, just the interactive television system in the present embodiment be by gate system with communicate by letter with mobile call terminal, and existing interactive television system is by bilateral network and set-top box direct communication.When set-top box sends video flowing, video flowing will be by IP edge modulator (IPQAM, the IP in the interactive television system
Quadrature Amplitude Modulation)Arrive set-top box.
Fig. 3 is the structural representation of portable terminal among the present invention, and this portable terminal comprises: display unit, request program tabulation acquiring unit, search unit, region code issue the frequency point information acquiring unit, play the frequency acquiring unit and first Transmit-Receive Unit.
Above-mentioned display unit is used to show the request program tabulation of described request program tabulation acquiring unit transmission, and the selection instruction that receives user's input also sends to described request program tabulation acquiring unit; The Search Results that perhaps shows described search unit receives the selection instruction of user's input and sends to described search unit; The request program that described selection instruction indication is chosen.
Above-mentioned request program tabulation acquiring unit, be used for after receiving the instruction of obtaining program request the rendition list, send IP Information On Demand by gate system to interactive television system and browse signaling, receive the request program tabulation that described interactive television system sends by described gate system; After receiving the selection instruction of described display unit transmission, send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system.
Above-mentioned search unit is used to receive the search programme information that the user imports, and searches for and receive Search Results by described gate system in described interactive television system; Send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system.
The above-mentioned zone sign indicating number issues the frequency point information acquiring unit, is used for obtaining interactive television system by described gate system and issues frequency point information according to the region code that the information of user's request program generates, and sends to described first Transmit-Receive Unit.
Above-mentioned broadcast frequency acquiring unit is used to receive the region code that first Transmit-Receive Unit sends, and sends to described interactive television system by described gate system; Obtain described interactive television system and play frequency, send to described first Transmit-Receive Unit according to the selected video flowing of region code.
Above-mentioned first Transmit-Receive Unit is used for the region code that the receiving digital television receiving terminal sends, and sends to described broadcast frequency acquiring unit; Described region code is issued region code that the frequency point information acquiring unit sends to issue frequency point information and sends to described receiving terminal for digital television; The broadcast frequency that described broadcast frequency acquiring unit is sent sends to described receiving terminal for digital television.
In order to realize to carry out intermediate treatment such as F.F., rewind down or time-out to the video flowing of program request by portable terminal of the present invention, then also comprise the Play Control processing unit in this portable terminal, be used for sending the Play Control signaling to interactive television system by gate system.On this basis, interactive television system is further according to the Play Control signaling, and control is to the operation of receiving terminal for digital television transmission video flowing, and for example according to F.F. or rewind down parameter, control sends the speed of video flowing to receiving terminal for digital television.The intermediate treatment signaling here is the signaling that meets the RTSP regulation.
Fig. 3 is the structural representation of receiving terminal for digital television among the present invention, and this receiving terminal for digital television comprises: resolution unit, second Transmit-Receive Unit and video reception unit.
Above-mentioned resolution unit is used to resolve the region code that described second Transmit-Receive Unit sends and issues frequency point information, obtains region code and sends to described second Transmit-Receive Unit.
Above-mentioned second Transmit-Receive Unit is used to receive the region code that portable terminal sends and issues frequency point information, sends to described resolution unit; The region code that described resolution unit is sent sends to described portable terminal.
Above-mentioned video reception unit is used to receive the broadcast frequency that described portable terminal sends, and locks described broadcast frequency, receives the video flowing of described user's request program of interactive television system transmission.
Fig. 5 is the interactive TV order method of system shown in Figure 1, and this method comprises:
Step 501: portable terminal obtains the information of user's request program, and sends to interactive television system by gate system.
In this step, portable terminal has following dual mode to obtain user's request program information:
The first, portable terminal sends IP Information On Demand by gate system to interactive television system and browses signaling, and interactive television system shows to portable terminal transmission request program tabulation and at portable terminal by gate system.During the selection instruction of the request program that the visual interface that provides by portable terminal as the user is chosen to portable terminal input indication, portable terminal is carried at the information of user's request program in the program request signaling by gate system and sends to interactive television system;
The second, portable terminal receives the request program information that the user directly imports, search in interactive television system by gate system, when Search Results is when having the request program that the user imports in the interactive television system, portable terminal receives the selection instruction of user's input, the request program that this selection instruction indication user chooses according to Search Results, portable terminal sends the program request signaling by gate system to interactive television system, carries the information of user's request program in this program request signaling.
Step 502: portable terminal obtains interactive television system by gate system and issues frequency point information according to the region code that the information of user's request program generates, and sends to receiving terminal for digital television.
In this step, portable terminal issues the frequency point information demand signalling by gate system to interactive television system sending zone sign indicating number, and interactive television system issues frequency point information by gate system to portable terminal sending zone sign indicating number.
Step 503: receiving terminal for digital television issues frequency point information according to region code and parses region code, sends to portable terminal.
Step 504: portable terminal sends described region code by gate system to interactive television system, obtains interactive television system according to the selected broadcast frequency of region code by gate system, sends to receiving terminal for digital television again.
In this step, portable terminal sends to interactive television system by gate system with region code, and interactive television system can be determined the position of receiving terminal for digital television according to region code, is used to play user's request program thereby select suitable broadcast frequency.
Step 505: frequency is play in the receiving terminal for digital television locking, receives the video flowing of user's request program of interactive television system transmission.
Receiving terminal for digital television receives after the video flowing of user's request program, if want to carry out intermediate treatment such as F.F., rewind down or time-out, after above-mentioned steps 505, portable terminal can send the intermediate treatment signaling to interactive television system by gate system, interactive television system is according to the intermediate treatment signaling, and control sends the speed of video flowing to receiving terminal for digital television.
Utilize interactive TV VOD system provided by the invention and interactive TV order method, portable terminal can provide a program request interface for the user, this program request interface can show program request the rendition list and various option of operation are provided, can show the search input frame and various option of operation are provided perhaps for the program request interface, the user uses the button trigger corresponding operation option on the portable terminal can make portable terminal carry out various operations.
Receiving terminal for digital television of the present invention includes but not limited to: and set-top box, network protocol television (Internet Protocol Television, IPTV), digital TV integrated machine etc. has the terminal of receiving digital television function.
Portable terminal among the present invention includes but not limited to: mobile call terminal, notebook computer and panel computer (PAD) etc.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an interactive TV VOD system is characterized in that, this system comprises: portable terminal, receiving terminal for digital television, gate system and interactive television system;
Described gate system is used for communicating to connect with described portable terminal and described interactive television system respectively, realizes the communication between described portable terminal and the described interactive television system;
Described portable terminal is used to obtain the information of user's request program, and sends to described interactive television system by described gate system; Obtain interactive television system by described gate system and issue frequency point information, send to described receiving terminal for digital television according to the region code that the information of user's request program generates; Utilize region code that described receiving terminal for digital television sends, obtain the broadcast frequency of described user's request program from interactive television system, send to described receiving terminal for digital television by described gate system;
Described receiving terminal for digital television is used to resolve the region code that described portable terminal sends and issues frequency point information, obtains region code and sends to described portable terminal; Lock the broadcast frequency that described portable terminal sends, receive the video flowing of described user's request program of described interactive television system transmission.
2. the system as claimed in claim 1 is characterized in that, passes through the networking of wireless the Internet protocol IP network between described portable terminal and the gate system; Between described interactive television system and the gate system by wired IP network networking; Pass through the DLAN networking between described portable terminal and the receiving terminal for digital television; Pass through hybrid fiber/ coax, HFC HFC networking between described interactive television system and the receiving terminal for digital television.
3. system as claimed in claim 1 or 2 is characterized in that, described gate system comprises: first retransmission unit, second retransmission unit and converting unit;
Described first retransmission unit is used to receive the information that described portable terminal sends; The information that described converting unit is sent sends to described portable terminal;
Described second retransmission unit is used to receive the information that described interactive television system sends; The information that described converting unit is sent sends to described interactive television system;
Described converting unit is used for changing according to the requirement of interactive television system when the information that portable terminal sends does not meet requiring of interactive television system, sends to described second retransmission unit then; When the information of interactive television system transmission does not meet requiring of portable terminal, the information that interactive television system sends is changed according to the requirement of portable terminal, send to described first retransmission unit then.
4. a portable terminal is characterized in that, described portable terminal comprises: display unit, request program tabulation acquiring unit, search unit, region code issue the frequency point information acquiring unit, play the frequency acquiring unit and first Transmit-Receive Unit;
Described display unit is used to show the request program tabulation of described request program tabulation acquiring unit transmission, and the selection instruction that receives user's input also sends to described request program tabulation acquiring unit; The Search Results that perhaps shows described search unit receives the selection instruction of user's input and sends to described search unit; The request program that described selection instruction indication is chosen;
Described request program tabulation acquiring unit, be used for after receiving the instruction of obtaining program request the rendition list, send IP Information On Demand by gate system to interactive television system and browse signaling, receive the request program tabulation that described interactive television system sends by described gate system; After receiving the selection instruction of described display unit transmission, send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system;
Described search unit is used to receive the search programme information that the user imports, and searches for and receive Search Results by described gate system in described interactive television system; Send the program request signaling of the information of carrying user's request program to described interactive television system by described gate system;
Described region code issues the frequency point information acquiring unit, is used for obtaining interactive television system by described gate system and issues frequency point information according to the region code that the information of user's request program generates, and sends to described first Transmit-Receive Unit;
Described broadcast frequency acquiring unit is used to receive the region code that first Transmit-Receive Unit sends, and sends to described interactive television system by described gate system; Obtain described interactive television system and play frequency, send to described first Transmit-Receive Unit according to the selected video flowing of region code;
Described first Transmit-Receive Unit is used for the region code that the receiving digital television receiving terminal sends, and sends to described broadcast frequency acquiring unit; Described region code is issued region code that the frequency point information acquiring unit sends to issue frequency point information and sends to described receiving terminal for digital television; The broadcast frequency that described broadcast frequency acquiring unit is sent sends to described receiving terminal for digital television.
5. system as claimed in claim 4 is characterized in that, also comprises the Play Control processing unit in the described portable terminal, is used for sending the Play Control signaling by gate system to interactive television system;
Described interactive television system is further used for, and according to described Play Control signaling, control sends the operation of video flowing to receiving terminal for digital television.
6. a receiving terminal for digital television is characterized in that, described receiving terminal for digital television comprises: resolution unit, second Transmit-Receive Unit and video reception unit;
Described resolution unit is used to resolve the region code that described second Transmit-Receive Unit sends and issues frequency point information, obtains region code and sends to described second Transmit-Receive Unit;
Described second Transmit-Receive Unit is used to receive the region code that portable terminal sends and issues frequency point information, sends to described resolution unit; The region code that described resolution unit is sent sends to described portable terminal;
Described video reception unit is used to receive the broadcast frequency that described portable terminal sends, and locks described broadcast frequency, receives the video flowing that interactive television system sends.
7. an interactive TV order method is characterized in that, this method comprises:
A, portable terminal obtain the information of user's request program, and send to interactive television system by gate system;
B, portable terminal obtain interactive television system by gate system and issue frequency point information according to the region code that the information of user's request program generates, and send to receiving terminal for digital television;
C, receiving terminal for digital television issue frequency point information resolution areas sign indicating number according to described region code, send to portable terminal;
D, portable terminal send described region code by gate system to interactive television system, obtain interactive television system according to the selected broadcast frequency of region code by gate system, send to receiving terminal for digital television again;
E, described receiving terminal for digital television lock described broadcast frequency, receive the video flowing of the selected request program of interactive television system transmission.
8. method as claimed in claim 7 is characterized in that, described steps A comprises:
A1, portable terminal send IP Information On Demand by gate system to interactive television system and browse signaling;
A2, interactive television system show to portable terminal transmission request program tabulation and at portable terminal by gate system;
A3, portable terminal receive the selection instruction of user's input, the request program that this selection instruction indication user chooses according to described request program tabulation;
A4, portable terminal send the program request signaling by gate system to interactive television system, carry the information of user's request program in this program request signaling.
9. method as claimed in claim 7 is characterized in that, described steps A comprises:
A1, portable terminal receive the information of the request program of user's input, search in interactive television system by gate system;
A2, portable terminal receive the Search Results of interactive television system by gate system, when Search Results is when having the request program that the user imports in the interactive television system, portable terminal receives the selection instruction of user's input, the request program that this selection instruction indication user chooses according to Search Results;
A3, portable terminal send the program request signaling by gate system to interactive television system, carry the information of user's request program in this program request signaling.
10. method as claimed in claim 7 is characterized in that, described step D comprises:
D1, portable terminal send to interactive television system with the region code that receiving terminal for digital television sends by gate system;
D2, interactive television system are selected the broadcast frequency of user's request program according to the region code that receives, and send to portable terminal by the broadcast frequency that gate system will be selected;
The broadcast frequency that D3, portable terminal will receive sends to receiving terminal for digital television.
11. method as claimed in claim 7 is characterized in that, further comprises after the described step e:
Portable terminal sends the Play Control signaling by gate system to interactive television system; Interactive television system is according to described Play Control signaling, and control sends the operation of video flowing to receiving terminal for digital television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010622512 CN102123316A (en) | 2010-12-24 | 2010-12-24 | Requesting system, method and device for interactive television |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010622512 CN102123316A (en) | 2010-12-24 | 2010-12-24 | Requesting system, method and device for interactive television |
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| CN102123316A true CN102123316A (en) | 2011-07-13 |
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| CN 201010622512 Pending CN102123316A (en) | 2010-12-24 | 2010-12-24 | Requesting system, method and device for interactive television |
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Application publication date: 20110713 |