CN100486326C - Transmitting apparatus and method of variable strip zone external data of accommodating data transmission quantity in digital television system - Google Patents
Transmitting apparatus and method of variable strip zone external data of accommodating data transmission quantity in digital television system Download PDFInfo
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- CN100486326C CN100486326C CNB2006101287610A CN200610128761A CN100486326C CN 100486326 C CN100486326 C CN 100486326C CN B2006101287610 A CNB2006101287610 A CN B2006101287610A CN 200610128761 A CN200610128761 A CN 200610128761A CN 100486326 C CN100486326 C CN 100486326C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention is an invention related to an apparatus and a method thereof for transmitting data which is outside of a variable strip zone and is suitable for data transmission amount in a bidirectional digital TV system, in data transmission in a reverse direction transmission channel outside the strip zone, in which the channel is used for transmitting data besides video information. The apparatus for transmitting data which is outside of a variable strip zone and is suitable for data output amount in a bidirectional digital TV system of the invention, is characterised by including following assembly: a keyboard input unit set for inputting data a transmission command by users, a transmission channel control unit which determines to transmit variable data suitable for data capacity to a reverse direction transmission channel of a head side, according to the transmission command inputted in a main control unit by the keyboard input unit, and an outside-strip zone channel receiving/transmitting unit which transmits the data to the head side based on the reverse direction transmission channel determined by the transmission channel control unit. According to the structure, limited outside-strip zone reverse direction transmission channel can be used availablly, thereby high-capacity data can be transmitted fleetly and easily.
Description
Technical field
The present invention is overseas data transmission device of variable strip zone and the method related invention thereof that adapts to volume of transmitted data in the two-way digital television system.
Background technology
Digital data programs is to point to set-top box (Set-Top Box), computer, terminating machine ultrahigh speeds such as mobile phone transmission text, picture, chart, sound, image, program package, other service of multimedia data.Utilize cable, surface wave, communication medias such as satellite ripple provide TV programme and relevant information thereof, life information, Internet connection, electronics morning, two-way amusement communication etc.
This digital data programs can be divided into: provide TV programme according to subscriber request, stock, unidirectional (one-way) of information such as weather service and, the subscriber participates in shopping by the end end, two-way (interactive) service of guess show etc.Usually take the digital television of DCR (Digital Cable Ready) mode to be UDCP (UniDirectional digital Cable Products) at present, only carry out folk prescription to communication.Simultaneously, optical cable television is different with the general broadcasting of sending program by aerial ripple, if the subscriber sends programme signal by optical cable, then have only the subscriber to watch, especially the bidirectional cable TV loses and can pass through TV station's program receiving signal, also can make the subscriber participate in program directly, even can further provide phone or information search, information services such as electronic post office.Wherein, when utilizing bi-directional service, the subscriber is the application program (application) that is located at the end end by operation, the webserver of connection bi-directional service provider etc., thereby participate in shopping, program such as guess show etc., the content of moving reference according to this application program that realizes by subscriber's operation is sent to the subscriber and holds the end.Therefore, two way cable television should possess with receiving system and also can handle VOD (Video On Demand) with the function that is sent to TV station's direction behind the digital signal except that the high frequency programme signal.And its structure should be divided the outer signal and the programme signal of programme signal of loading datas such as handling information on services or electronic post office.Above-mentioned high frequency programme signal is to be sent to the TV receiving system by channel (In-Band channel) in the band territory, and the information on services of TV station or electronic post office etc. are by being with overseas channel (Out-Of-Band Channel:OOB Channel) to receive and sending by the transceiver of the user data signal of user's operation.
Fig. 1 is the picture of the OOB data transmitting and receiving method of the bi-directional data performance system of introduction employing conventional art.
As shown in Figure 1, adopt the bi-directional data performance system of conventional art to comprise: R-T unit-head end 110 Hes of program worker, as digital TV 120 window machines such as subscriber such as grade 120.Above-mentioned head end 110 has been equipped with has management application program and content, the application server 111 of the function of data being encoded according to the transmission of application program signal and transport communication rule.
The structure of above-mentioned subscriber's window machine 120 comprises: from above-mentioned head end 110, by the intermediate equipment of having established, to via the programme signal of channel (in-band channel) transmission in the band territory and via with overseas channel { subscriber's side main frame 121 Hes that the control signal of the above-mentioned programme signal of Out-Of-Band (OOB) channel} transmission and additional information etc. are decoded, in above-mentioned main frame, analyze the control signal that receives by with overseas channel, additional information and restricting data, and establish with the restriction collection of letters module 122 of embodiments such as smart card or optical cable card and serve as the display part 123 that output is established from programme signal and the additional information and the application program operation picture etc. of above-mentioned main frame 121 decodings.In the bi-directional data performance system of employing conventional art with said structure, 111 pairs of video recordings that provide by content supplier of the application server of above-mentioned head end 110, audio frequency and data etc. are encoded, management adds the subscriber's of digital data programs service information, limits chargeable service etc. according to the subscriber, forms TV programme and relevant information thereof, life information, Internet connection, ecommerce, information such as two-way amusement communication are to be sent to subscriber's window machine 120 after the programme signal.And the subscriber that 111 pairs of above-mentioned application servers participate in program service passes through subscriber's window machine 120 via contrary bearing data transmission channel (OOB RDC; Out-Of Band Data Channel) after Chuan Shu data are analyzed, the data processed result of subscriber request is real-time transmitted to above-mentioned subscriber's window machine 120.In the bi-directional data performance system of above-mentioned employing conventional art,, can only utilize above-mentioned head end 110 to be subscriber's window machine 120 one-sided channels that distribute if when the subscriber need utilize above-mentioned subscriber's window machine 120 to transmit data to above-mentioned head end 110.Therefore, even the big situation of data volume that above-mentioned subscriber's window machine 120 is transferred to above-mentioned head end 110, subscriber's window machine 120 also can only use the channel of distribution, and therefore the problem that transferring large number of data then needs to expend a lot of times takes place.
Goal of the invention:
The object of the present invention is to provide: though in the two-way digital TV, need to be used to transmit data outside the image information be transferred to the data volume of head end when big with overseas transmission channel, also can expand transmission channel, overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data and method thereof in can the two-way digital television system of quick data transfering.
And, the present invention also aims to provides: what need to utilize the data that are used to transmit outside the image information in the two-way digital TV is transferred to the data volume of head end when big with overseas transmission channel, can require head end aspect expansion transmission channel, transmission channel expansion requirement then can be answered in the head end aspect, utilizes overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data and method thereof in the two-way digital television system of the channel expansion transmission channel quick data transfering that appends distribution.
In addition, the present invention also aims to provides: what need to utilize the data that are used to transmit outside the image information in the two-way digital TV is transferred to the data volume of head end when big with overseas transmission channel, except that distributing a plurality of transmission channels, improve contrary direction transmission speed by expansion transport tape field width degree, thus overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data and method thereof in can the two-way digital television system of quick data transfering.
In order to achieve the above object, adopting the overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data in the two-way digital television system of the present invention is to take following technical scheme to realize:
Adapt to the overseas data transmission device of variable strip zone of volume of transmitted data in the digital television system, comprise following part:
(1) the key entry portion that establishes for the user input data transmission command and;
(2) according to the transmission command that is input to master control part by above-mentioned key entry portion, the variable data that decision will adapt to data capacity be transferred to head end contrary direction transmission channel the transmission channel control part with;
(3) the contrary direction transmission channel by the decision of above-mentioned transmission channel control part, with transfer of data to the overseas channel receiving and transmitting part of being with of head end.
The overseas data transmission device of variable strip zone that adapts to volume of transmitted data in the aforesaid digital television system, it is characterized in that with above-mentioned transmission channel control part to expand information or to append the channel information of distribution according to the contrary direction transmission channel band field width degree that transmits from above-mentioned head end, the overseas data transmission device of variable strip zone of the adaptation output transmission quantity in the two-way digital television system that the contrary direction transmission channel of decision is characteristics.
According to said structure, can effectively utilize confined with overseas contrary direction transmission channel, therefore can be quick, easily transmit high capacity data.
Adapt to the overseas data transmission method of variable strip zone of volume of transmitted data in the digital television system, comprise with the next stage:
(1) be converted to during input user transmission command transmission mode stage and;
(2) judge to remove stage of whether also needing to expand transmission channel the channel that distributes at present with;
(3) above-mentioned judged result head-end when needing the expansion transmission channel require to append stage of distributing transmission channel and;
(4) from above-mentioned head end receive to above-mentioned transmission channel append distribute stage of replying of requiring and;
Utilize stage when (5) above-mentioned reception result of replying appends the transmission channel of distribution for existing with overseas transmission channel transmission data.
The overseas data transmission method of variable strip zone that adapts to volume of transmitted data in the aforesaid digital television system is characterized in that judging whether that with above-mentioned it is the overseas data transmission method of the variable strip zone that is suitable for volume of transmitted data in the two-way digital television system of characteristics that stage that needs expand transmission channel judges with the size of transmitting data as required or kind.
The overseas data transmission method of variable strip zone that adapts to volume of transmitted data in the aforesaid digital television system is transferred to the overseas data transmission method of the variable strip zone that is suitable for volume of transmitted data in the two-way digital television system that head end is characteristics behind the channel information of the stage that it is characterized in that appending distribution with above-mentioned transmission channel with the data message that will require transmission channel to append to comprise needs transmission in the information of distribution and distribution at present.
The overseas data transmission method of variable strip zone that adapts to volume of transmitted data in the aforesaid digital television system is characterized in that the above-mentioned requirements transmission channel appends branchs and is equipped with transmission channel and appends that to be assigned as that the expansion of transport tape field width degree or other channels append in the middle of distributing be the overseas data transmission method of the variable strip zone that is suitable for volume of transmitted data in the two-way digital television system of characteristics more than one.
According to overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data and the method thereof in the two-way digital television system with as above structure, in the two-way digital TV, need to utilize with overseas transmission channel and be transferred to the data volume of head end when big, head-end requires the expansion transmission channel, requirement then should be expanded by above-mentioned transmission channel in the head end aspect, by other a plurality of transmission channels or the expansion transport tape field width degree that appends distribution, improve contrary direction transmission speed, can realize high-speed data exchange, therefore have the transfer of data effect of the high capacity data that transmission user fast need transmit.
The invention has the beneficial effects as follows: adopt the present invention, when in the two-way digital system, needing to utilize the data volume that is transferred to head end with overseas transfer of data channel of the transfer of data that is used to transmit outside the image information big, append and distribute available contrary direction transmission channel to expand to be with overseas transmission channel, thereby reach the effect that the user can be transmitted fast needs the high capacity data that transmits for what transfer of data was established.
And, when needing to utilize the data volume that is transferred to head end with overseas transfer of data channel of the transfer of data that is used to transmit outside the image information big in the two-way digital of the present invention system, except a plurality of transmission channels that distribute other, come the overseas transmission channel of spreading belt by expansion transport tape field width degree, improve contrary direction transmission speed thus, thereby reach the effect that to carry out the high-speed data exchange.
Description of drawings:
Fig. 1 is the picture of the OOB data transmitting and receiving method of the bi-directional data performance system of introduction employing conventional art.
Fig. 2 adopts the picture that adapts to the overseas data transmission device of variable strip zone of volume of transmitted data in the bi-directional data performance system of the present invention for introducing.
Fig. 3 adopts the flow chart that adapts to the overseas data transmission method of variable strip zone of volume of transmitted data in the bi-directional data performance system of the present invention for introducing.
Fig. 4 is for introducing the picture with overseas contrary direction transmission channel that appends distribution according to an example of the present invention.
Fig. 5 is for introducing the picture with overseas contrary direction transmission channel that another example according to the present invention appends distribution.
Fig. 6 is for introducing the picture with overseas contrary direction transmission channel that another example according to the present invention appends distribution.
Wherein picture major part symbolic representation:
210: head end 220: digital television
221: be with overseas channel receiving and transmitting part 222: the transmission channel control part
223:DCR handling part 224: master control part
225: signal processing part 226: efferent
227: storage part 228: key entry portion
Embodiment:
Below, be reference with additional picture, more specifically introduce overseas data transmission device of the variable strip zone that is suitable for volume of transmitted data and method thereof in the two-way digital television system.
Fig. 2 adopts the picture that adapts to the overseas data transmission device of variable strip zone of volume of transmitted data in the bi-directional data performance system of the present invention for introducing, and Fig. 3 adopts the flow chart that adapts to the overseas data transmission method of variable strip zone of volume of transmitted data in the bi-directional data performance system of the present invention for introducing.
As shown in Figure 2, adopt the bi-directional data performance system of the overseas data transmission device of employing variable strip zone of the present invention to comprise: program worker's R-T unit head end 210 Hes, digital television 220.Above-mentioned head end 210 comprises: management application program and content, control part 211 Hes according to the data transmitting and receiving of 220 of application program signal transmission and the control of transport communication rule and digital televisions, program data memory module 212 Hes of establishing for application storing and content, to be stored in the application program of above-mentioned program data memory module 212 and coding module 213 Hes that content encoding is the mpeg 2 transport stream bag according to the transport communication rule, for to the application program of decoding and content multiplexing multiplexing module 214 Hes for video recording/audio/data from above-mentioned coding module 213, for will carrying out the application program of multiplexed mpeg 2 transport stream packet form and content by channel transmission in the band territory from above-mentioned multiplexing module 214, with the control signal of programme signal and additional information etc. by with overseas channel transmission and be transferred to the transport module 215 that digital television 220 is established.Common above-mentioned transport module 215 is utilizing in order to transmit data when being with overseas data channel, adopt and forward to be with overseas transfer of data channel (FDC:Forward Data Channel) to use 70～130Mhz, in utilizing the band territory, then 54～864Mhz is used with the 6Mhz segmentation during channel.Above-mentioned digital television 220 is equipped with: key entry portion 228 Hes of establishing for the user input data transmission command, for according to the control command of having imported the master control part 224 of transmission command by above-mentioned key entry portion 228, carry out and head end between authentification of user and DCR handling part 223 Hes of establishing, data transfer command according to input, capacity according to data, transmission channel control part 222 Hes of the variable contrary direction transmission channel that decision transmission data are used, be by contrary direction transmission channel by above-mentioned transmission channel control part decision, transmit data to head end and establish be with overseas channel receiving and transmitting part 221.Above-mentionedly be with overseas channel receiving and transmitting part 221 when head-end 210 transmitting user datas, to be contrary bearing data transmission channel (RDC:Reward DataChannel), 5～54Mhz band territory is used with the 1-3Mhz segmentation.Do not introduce channel acceptance division 222 in the band territory of symbology and receive after the application program and content of the mpeg 2 transport stream packet form of above-mentioned head end 210 transmission, will output to signal processing part 225 by the service data of DCR handling part 223 authentications.Signal processing part 225 is undertaken exporting after the data processing by the form that is fit to efferent 226 after the service data of input is classified by video recording/audio/data signal.Application program that storage part 227 storage digital television 220 is required and user data etc.
To in having the two-way digital television system of the overseas data transmission device of variable strip zone that the as above employing outfit of the present invention of structure is suitable for volume of transmitted data, the user is introduced the method that high capacity data is transferred to head end.
With reference to figure 3, in the digital television operating process, when the user watched from the service of head end 210 transmission, if the user need be transferred to Large Volume Data above-mentioned head end 210, then the user was by the 228 input data transfer command S310 of key entry portion.Input according to above-mentioned data transfer command, the master control part 224 approval transmission channel control parts 222 of digital television make data be transferred to head end by being with overseas channel receiving and transmitting part 221 by control signal, and 222 of above-mentioned transmission channel control parts will be with overseas channel receiving and transmitting part 221 modes of operation to be converted to transmission mode S320.At this moment, above-mentioned transmission channel control part 222 is for carrying out transmission in the current digital television band territory, and decision is only to utilize from head end 210 to come the transmission user data designated with the transmission channel that distributes, or the overseas contrary direction output channel of spreading belt transmits corresponding data.
For this reason, above-mentioned transmission channel control part 222 judges that the identification preparation is transferred to head end 210 data modes.Promptly whether expand transmission channel according to the size or the kind decision of the data of preparing transmission.As shown in Figure 3, in an example of the present invention, can judge whether to expand transmission channel S330 according to the data volume of preparing to be transferred to head end 210.When above-mentioned judged result surpasses the capacity that the user established for the data volume position of preparing to be transferred to head end 210, only utilize what head end 210 distributed and currently be with overseas contrary direction transmission channel, with transfer of data to head end 210S340.But, when if above-mentioned judged result surpasses the capacity that the user established for the data volume position of preparing to be transferred to head end 210, then be judged as the situation that needs the overseas contrary direction transmission channel of spreading belt that belongs to, after requiring head end to append branchs to wear overseas contrary direction transmission channel, utilize and append the overseas contrary direction transmission channel of being with of distribution and transmit data S350.
Above-mentioned requirements is appended the stage that branch is worn overseas contrary direction transmission channel, with prepare the data association message of transmission and current distribution with overseas contrary direction transmission channel information with require to append information that branchs wear overseas contrary direction transmission channel together through being with overseas channel receiving and transmitting part 221 to be transferred to head end 210 S351.The transport module 215 of above-mentioned head end 210, by being with overseas channel receiving and transmitting part 221 to receive, by having comprised of digital television transmission after the requirement with overseas contrary direction transmission channel information of the data association message of transmission and current distribution appends branchs and wears the overseas contrary information of direction transmission channel, after the multichannel decomposition portion (not shown) extraction information separately of multiplexing module 214, output to the control part 211 of head end 210.The control part 211 of above-mentioned head end 210, after the channel information that a plurality of digital televisions are carried out current distribution is analyzed, confirm whether to exist and to append the overseas contrary direction transmission channel of being with of distribution to the corresponding digital television 220 that requires the overseas contrary direction transmission channel of spreading belt.If above-mentioned affirmation result can append the overseas contrary direction transmission channel of being with of distribution by logarithmic code TV 220 for existing, then pass through the transport module 215 of head end 210, the response message that will comprise the information that can append distribution is transferred to above-mentioned digital television, makes above-mentioned digital television 220 transmit data by corresponding channel.
The above-mentioned response message with overseas contrary direction transmission channel information that can append distribution that comprises can be that the centre frequency with overseas contrary direction transmission channel of having distributed is the transport tape field width degree expansion information of benchmark, or the centre frequency of the contrary direction transmission channel that has distributed and the assignment information of appending with overseas contrary direction transmission channel with other centre frequency.
Fig. 4 is for introducing the picture with overseas contrary direction transmission channel that appends distribution according to an example of the present invention, Fig. 5 is for introducing the picture with overseas contrary direction transmission channel that another example according to the present invention appends distribution, and Fig. 6 is for introducing the picture with overseas contrary direction transmission channel that another example according to the present invention appends distribution.
With reference to figure 4, when being spending of having distributed in the digital television 220 with overseas band field width against the direction transmission channel as if the certain band field width degree (1.544Mhz) that with reference frequency A is the center, the control part 211 of head end 210 can append and distribute the overseas contrary direction transmission channel of above-mentioned digital television band, makes it 220 use another to transmit data with centre frequency B as certain band field width degree (1.544Mhz) at center.
With reference to figure 5, when being spending of having distributed in the digital television 220 with overseas band field width against the direction transmission channel as if the certain band field width degree (1.544Mhz) that with reference frequency A is the center, the control part 211 of head end 210 can append the band field width degree (3.08Mhz) of expansion and distribute the overseas contrary direction transmission channel of above-mentioned digital television band, makes it append to make and be used for transmitting data.
With reference to figure 6, when being spending of having distributed in the digital television 220 with overseas band field width against the direction transmission channel as if the certain band field width degree (1.544Mhz) that with reference frequency A is the center, the control part 211 of head end 210 can logarithmic code TV 220 appends branch and wears overseas contrary direction transmission channel, digital television 220 is appended use with same centre frequency A as the band field width degree (3.08Mhz) of certain band field width degree (1.544Mhz) expansion at center and, append to use and transmit data as the band field width degree (1.544Mhz) of central extension with another centre frequency A, can append response message process head end 210 transport modules 215 that are distributed in above-mentioned digital television 220 if comprise with overseas contrary direction transmission channel information, be transferred to digital television 220, then digital television 220 receives respective acknowledgement signal S352 by being with overseas channel receiving and transmitting part 221.After appending the response message that distributes transmission channel information comprising of above-mentioned channel receiving and transmitting part 221 receptions, output to transmission channel control part 222.Above-mentioned transmission channel control part 222 is analyzed the answer signal that receives, and judges whether to append to have distributed the available overseas contrary direction transmission channel S353 that is with.If above-mentioned judged result S353 is not with the band field width degree expansion of overseas contrary direction transmission channel or append the channel information of distribution in the answer signal of above-mentioned head end 210 transmission, then overseas channel receiving and transmitting part 221 is with in control, and the overseas contrary direction transmission channel of being with that its utilization has been distributed transmits data S340.But, if above-mentioned judged result S353 comprises with the band field width degree expansion of overseas contrary direction transmission channel or append the channel information of distribution in the answer signal of above-mentioned head end 210 transmission, it can be utilized correspondingly be with overseas contrary direction transmission channel to transmit data to head end 210 S354.Promptly, when above-mentioned answer signal reception result appends the overseas contrary direction transmission channel of being with of distribution for existing, utilize distributed with overseas contrary direction transmission channel and append the overseas contrary direction transmission channel of being with of distribution and transmit data, when having band field width degree expansion information, then use the band field width degree of all expansions to transmit data, if have the degree expansion of band field width and append when distributing the madam to be with overseas contrary direction transmission channel, utilize all the band field width degree and the channel that allow to transmit data.Thus, can use the contrary direction transmission channel of whole expansions, transmit data to head end 210, the required transfer of data of quicker execution when user's ratio adopts conventional art from digital television 220.Carry out the transfer of data S340 of above-mentioned utilization with overseas contrary direction transmission channel, S354 then judges whether all to finish all transmission channel control parts 222 and prepares all data S360:S361 of transmission, S362.Above-mentioned judged result S361 is not for finishing transmission, then continues to utilize and is with overseas contrary direction transmission channel to transmit data to finish S340 till the respective data transfer, and S354 removes data-transmission mode S370 when finishing transmission.
More than, be described in detail adopting the overseas data transmission device of variable strip zone and the method thereof that adapt to volume of transmitted data in the digital television of the present invention system.But the invention is not restricted to above-mentioned example, just can carry out numerous variations so long as in the inventive concept scope, have the personnel of rudimentary knowledge in the field.And, also belong to the present invention not breaking away from the change carried out under the technological thought base case of the present invention and revise, also promptly be equal to and replace or technical scheme that equivalent transformation obtained all drops within protection scope of the present invention.
Claims (4)
1, adapt to the overseas data transmission device of variable strip zone of volume of transmitted data in the digital television system, comprise part:
(1) the key entry portion that establishes for the user input data transmission command;
(2) according to the transmission command that is input to master control part by above-mentioned key entry portion, promptly size, kind or the data volume of data of transmission judges whether to expand transmission channel as required, and the variable data that decision will adapt to data capacity is transferred to the transmission channel control part of the contrary direction transmission channel of head end;
(3) the contrary direction transmission channel by the decision of above-mentioned transmission channel control part, with transfer of data to the overseas channel receiving and transmitting part of being with of head end.
2, the overseas data transmission device of variable strip zone that adapts to volume of transmitted data in the digital television according to claim 1 system, it is characterized in that above-mentioned transmission channel control part is according to expanding information or append the channel information of distribution from the contrary direction transmission channel band field width degree of above-mentioned head end transmission, the contrary direction transmission channel of decision.
3, adapt to the overseas data transmission method of variable strip zone of volume of transmitted data in the digital television system, comprise with the next stage:
Be converted to the stage of transmission mode when (1) importing user's transmission command;
(2) according to user input commands, promptly the size of the data of transmission, kind or data volume are judged the stage that whether also needs to expand transmission channel except that the channel that distributes at present as required;
(3) in above-mentioned judged result when needing the expansion transmission channel, the information of the requirement of the data message of needs transmission and the channel information that distributes at present being appended distribution together is transferred to head end, head-end requires to append the stage of distributing transmission channel;
(4) receive the stage of replying of above-mentioned transmission channel being appended the distribution requirement from above-mentioned head end;
Utilize stage when (5) above-mentioned reception result of replying appends the transmission channel of distribution for existing with overseas transmission channel transmission data.
4, the overseas data transmission method of variable strip zone that adapts to volume of transmitted data in the digital television according to claim 3 system, it is characterized in that the above-mentioned requirements transmission channel append in the middle of distributing transmission channel to append to be assigned as the expansion of transport tape field width degree or other channels to append to distribute more than one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050115704 | 2005-11-30 | ||
| KR1020050115704A KR100767860B1 (en) | 2005-11-30 | 2005-11-30 | Apparatus and method for adaptive transmitting OOB data in bidirectional Digital TV system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1972423A CN1972423A (en) | 2007-05-30 |
| CN100486326C true CN100486326C (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101287610A Expired - Fee Related CN100486326C (en) | 2005-11-30 | 2006-09-03 | Transmitting apparatus and method of variable strip zone external data of accommodating data transmission quantity in digital television system |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100767860B1 (en) |
| CN (1) | CN100486326C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016178272A1 (en) | 2015-05-01 | 2016-11-10 | 株式会社前川製作所 | Refrigerator and operation method for refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3782365B2 (en) | 2002-03-14 | 2006-06-07 | 日本電信電話株式会社 | Band control method and base station apparatus |
| KR100884168B1 (en) * | 2002-09-24 | 2009-02-17 | 주식회사 케이티 | Media access control scheduling method and EPON system using the method |
| JP4045448B2 (en) | 2004-03-02 | 2008-02-13 | Ｋｄｄｉ株式会社 | Terminal apparatus and data transmission method |
-
2005
- 2005-11-30 KR KR1020050115704A patent/KR100767860B1/en not_active IP Right Cessation
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- 2006-09-03 CN CNB2006101287610A patent/CN100486326C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100767860B1 (en) | 2007-10-17 |
| KR20070056710A (en) | 2007-06-04 |
| CN1972423A (en) | 2007-05-30 |
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