CN1277405C - A method of quick network multimedia information playing and corresponding set-top box equipment - Google Patents
A method of quick network multimedia information playing and corresponding set-top box equipment Download PDFInfo
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Abstract
The present invention discloses a method taking a TV-top box as a terminal for downloading and playing multimedia information and set-top box equipment for realizing the method. After a user logs in a server to select multimedia information needing to be played, data storage flow program and a playing flow program are respectively executed, and data is stored in a local memory after a set-top box receives target multimedia data to pack into groups. In a playing process, first of all, the set-top box equipment prompts the user to wait and play an inter cut program and simultaneously predicts the downloading speed of the rest data in time in order to calculate playing time, when the playing time approaches, the data is read and downloaded from the local memory to start playing. Whether the quantity of the data to be played is enough is judged before download is finished, and current playing time is recorded to inter cut again and calculate the playing time when the data is not enough. The present invention can reduce the waiting time before the use watch the multimedia information as well as ensure the playing quality of the multimedia information.
Description
Technical field
The present invention relates to multimedia information technique field, relate in particular to and a kind ofly with the TV set-top box be multimedia messages download, the player method of terminal and the set-top box device that is used to realize this method.
Background technology
On the internet, be that terminal is carried out the transmission of multimedia messages and play very universal with the computer.Especially in recent years along with the progress of access technology and the development of multimedia information compression algorithm, no matter be to reach satisfied effect by downloading mode or by the Streaming Media transmission manner.But with the television set is playback terminal, and the method for carry out the network multimedia information transmission, playing is not also accepted by the user at present widely.A major reason that causes this kind problem is the needs that existing multimedia messages play-back technology can't satisfy TV user.
At present,, mainly contain downloading mode and Streaming Media mode two big classes by the method for television for play network multimedia information, wherein:
Downloading mode, server all is transferred to local set-top box on and storage by network whole multimedia information, and whether the user plays after can selecting this download of information fully by setup parameter immediately.
The Streaming Media mode provides the transmission of continuous, real-time multimedia messagess such as sound, image or animation, user needn't wait until that whole file is all downloaded by server to subscriber equipment and finishes, and only need can watch through the startup time-delay of several seconds or ten several seconds.When multimedia messages is play on client computer, the remainder of file will continue to download in server on the backstage.The Streaming Media mode is divided into progressive streaming transmission and two kinds of implementation methods of real-time streaming transmission.
The progressive streaming transmission is exactly a progressive download, the data traffic that the speed adjustment that server does not connect according to the user passes down, after TV set-top box receives the down-transmitting data of fragment message form, in high-speed cache, finish group bag, store the buffer memory of player into and play.
The real-time streaming transmission refers to that server passes through control, and the multimedia messages code check and the network bandwidth are complementary, and the assurance multimedia messages can be play in real time.Picture quality is relatively poor when channel width is low.
Downloading mode and Streaming Media mode respectively have its advantage and deficiency.Under certain transmission bandwidth, downloading mode is actually the fluency that exchanges the multimedia messages broadcast with the stand-by period of sacrificing the user for; The Streaming Media mode then is that perhaps the continuous degree of picture makes the user reduce the stand-by period by the sacrifice image quality.Most of user of China uses the ADSL accessing to wide band network at present; also can't reach the demand of television video stream real-time Transmission fully; therefore if adopt the progressive streaming transmission; after program is play a period of time glibly, will very slowly and may produce pause, and after buffering after a while, just can carry out subsequent program ground and play.This pause meeting is periodic frequent to produce, and is unacceptable fully for the TV user of getting used to appreciating smooth program.If adopt the real-time streaming transmission means, then for guarantee multimedia messages can be under present network condition smooth playing, must reduce the partial data of original multimedia messages, cause video, audio quality impaired, this also is unacceptable for TV user.
Therefore, be necessary to propose a kind of network multimedia information fast playing method, adapt to the demand of playing network multimedia messages on TV.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of network multimedia information fast playing method, both can guarantee play quality, reduces the stand-by period that the user watches multimedia messages again as far as possible.The present invention and then a kind of set-top box device of realizing this method is provided.
For solving the problems of the technologies described above, the invention provides a kind of network multimedia information fast playing method, be applied to the system that forms by server, broadband network, network television-set top-set-box and television set, may further comprise the steps:
(a) user login services device, the multimedia messages that selection will be play is carried out following storage flow process and playing flow then respectively;
Wherein, described storage flow process may further comprise the steps:
(b1) data flow directly passes to set-top box by under the server without flow control;
(c1) set-top box is finished the reception and the group bag of fragment message, is stored in then in the local storage, writes down download time and data quantity stored simultaneously;
(d1) carry out above-mentioned steps (b1) and (c1) continuously, download up to file and finish;
Described playing flow may further comprise the steps:
(b2) speed of download of prediction remaining data, the moment of calculating the beginning content play;
(c2) judge whether to arrive broadcast constantly,, then return step (b2), constantly arrive, carry out next step if play if do not arrive;
(d2) from local storage, read and downloaded content, begin to play from current play position;
(e2) when carrying out content play, whether judgment data is downloaded finishes, if, then play described multimedia messages after, finish; Do not finish if download, carry out next step;
(f2) judge whether the current data volume of playing is enough, if, return step (e2), otherwise, next step carried out;
(g2) interrupt content play and recording played constantly, return step (b2).
In order to make the user can be more one advance to shorten the stand-by period, in described step (b2) before,, can also select the duration of this broadcast by the user except acquiescence once plays the whole contents of selected multimedia messages; In step (b2), also need the data downloaded amount to obtain remaining download time with this broadcast divided by the speed of download of prediction, this residue download time deducts this playing duration, adds that the affluence amount of setting promptly obtains the stand-by period, is determined the moment that begins to play by waiting time.
Also can equally with the computer user carry out other amusement for TV user etc. is bide one's time, in described step (b2), also show and optionally intercut and play selected project to the user; In described step (c2), arrive if play the moment, whether inquiry earlier interrupts intercutting program, if the user selects to interrupt, execution in step (d2) if the user is not interrupted at once, is carried out after end is intercutted (d2) more again.
In the said method, server can continue to send the multimedia messages that is used to intercut, and be stored in the local storage of set-top box behind the multimedia messages that sends user's selection.
For friendly user interface is provided, in described step (b2), in the described speed of download of prediction, all right user waiting prompt; In described step (c2), constantly do not arrive if play, then display the play constantly or the time of pointing out the user to wait for.
In order when restarting to play, to help the content of user before recalling, described step (g2) afterwards content play begins next time the time, can carry out the automatic choosing of play content fragment earlier and broadcast.
In the said method, prediction in the described playing flow and judgement can regularly be carried out.
The present invention is used to realize the network multimedia information set-top box device of broadcast fast, and comprising: master control module, network interface unit, memory cell, decoding unit, multimedia output unit and control interface unit is characterized in that:
Storage, playing flow that described master control module is used to provide described network multimedia information fast playing method required are controlled and Play Control, further comprise:
Storage control unit, the data download that is used for after will group bag leaves described download multi-medium data memory block in, writes down download time and data quantity stored simultaneously;
Play the start-up control unit, be used to predict the speed of download of remaining data, in conjunction with this playing duration with also need the data downloaded amount to determine to play constantly, playing constantly from current play position startup content play;
Playing control unit is used to read the data of described many coal bodies of download data storage area, plays;
Play the interruption controls unit, be used for before download is finished, judge whether the data volume that can play in the described download multi-medium data memory block is enough, when data volume is not enough, interrupt content play, write down current broadcast constantly, and change start-up control over to.
Described memory cell comprises: program storage area is used to store the control program of set-top box device; Download the multi-medium data memory block, be used to store the multi-medium data of user's program request.
In order to wait realization of biding one's time to intercut, described memory cell also comprises a cut-broadcasting multimedia data storage area, is used for being stored in the multimedia messages that download wait process will be intercutted; Described master control module comprises that is also intercutted a procedure control unit, is used to control the download and the storage of cut-broadcasting multimedia information, shows the optional item that intercuts, and starts and stop the broadcast of the information of intercutting.
For realize fragment automatically choosing broadcast, described master control module comprises that also a fragment choosing broadcasts the unit, is used for downloading that waiting bides one's time selects a plurality of fragments from play content, and starts the broadcast of these fragments when restarting content play earlier.
In order to realize the selection of playing duration, described master control module also comprises a duration selected cell, is used to point out the user to carry out the selection of this playing duration, and will select duration and offer described broadcast start-up control unit.
As from the foregoing, the network multimedia information fast playing method of the present invention by the improvement of network television-set top-set-box is realized guaranteed fluency that multimedia file is play and sound, video effect, and made user's stand-by period shorten as much as possible.And by increasing friendly man-machine interface and using the excessive mode of level and smooth content, as, the user can also appreciate spot etc. in the wait process, make the user can obtain the satisfied effect of watching, is specially adapted to be undertaken by TV the demand of video request program.
Description of drawings
Fig. 1 is the functional block diagram of the set-top box device of the embodiment of the invention.
Fig. 2 is the flow chart of embodiment of the invention storage.
The flow chart that Fig. 3 plays for embodiment of the invention multimedia messages.
Fig. 4 realizes intercutting the flow chart of routine call for the embodiment of the invention.
Embodiment
The system of the embodiment of the invention is made up of TV, network television-set top-set-box equipment (being designated hereinafter simply as set-top box), broadband network and server, and control flows such as the group bag during broadcast, storage, broadcast are all finished by the Application in Set Top Box program.As shown in Figure 2, the set-top box of present embodiment comprises:
Network interface unit 210 is used to provide network insertion;
Memory cell 220, be used to deposit the multimedia messages that set-top box device is downloaded, be divided into the program storage area that is used for memory machine top box control program, the cut-broadcasting multimedia data storage area of the multimedia messages that storage is used to intercut, and the download multi-medium data memory block of the multimedia messages of storage user program request;
Decoding unit 230 is used to finish the decoding work of multimedia messages;
Multimedia output unit 240 is used for providing suitable data-interface to playing terminal equipment;
Master controller 250 is used to provide the needed storage of network multimedia information fast playing method of the present invention, playing flow control and Play Control, further comprises:
Storage control unit, the data download that is used for after will group bag leaves described download multi-medium data memory block in, writes down download time and data quantity stored simultaneously;
Play the start-up control unit, be used to predict the speed of download of remaining data, in conjunction with this playing duration with also need the data downloaded amount determine to play constantly, start content play (content play all refers to download the broadcast of multimedia messages content the literary composition) from current play position playing constantly;
Playing control unit is used to read the data of described many coal bodies of download data storage area, plays;
Play the interruption controls unit, be used for before download is finished, judge whether the data volume that can play in the described download multi-medium data memory block is enough, when data volume is not enough, interrupt content play, write down current broadcast constantly, and change start-up control over to;
Intercut procedure control unit, be used to control the download and the storage of cut-broadcasting multimedia information, show the optional item that intercuts, start and stop the broadcast of the information of intercutting.
Control interface unit 260 is used for the operation information to set-top box device input user;
Select after server free online multimedium information by the multimedia terminal the user, after necessary dialogue, carry out as shown in Figures 2 and 3 storage flow process and playing flow respectively, storage flow process wherein may further comprise the steps:
Step 300, Streaming Media directly pass to set-top box by server without flow control under broadband network;
Step 310, set-top box are finished the reception and the group bag of fragment message;
Step 320 in the download multi-medium data memory block of memory cell, writes down download time and data quantity stored with the storage behind the group bag simultaneously;
Step 330 is carried out above-mentioned steps continuously, downloads up to the multimedia messages of selecting to finish.
Except that the user is specially interrupted, above-mentioned downloading process carry out content play the time also be to carry out continuously, even the user is interrupted following broadcast process, also can continue downloading process.The transmission of burst multi-medium data in the above-mentioned flow process, reception, group bag and present progressive streaming transmit identical, but the multi-medium data behind the group bag is to be stored in the local memory cell, reads during broadcast again.
Figure 3 shows that the flow chart of the content of multimedia broadcast of the embodiment of the invention.When stored program shown in Figure 3 was carried out, this program also began to carry out, and may further comprise the steps:
Step 410 is called playing program and is play the item that intercuts that the user selectes;
Step 430 according to the speed of download of prediction, is calculated the zero hour that multimedia messages is play; The computational methods that present embodiment adopts are: playing with this also needs the data downloaded amount to obtain remaining download time divided by the speed of download of prediction, this residue download time deducts the duration of this broadcast, the affluence amount that adds setting promptly obtains the stand-by period, be shown to the user, when the stand-by period is zero, be and play constantly, this time is can guarantee the required stand-by period of broadcast continuously by what current data was estimated, can certainly be added that the stand-by period obtains concrete broadcast and is shown to the user constantly the current time in system.
Step 440 judges whether to arrive and plays constantly, does not constantly arrive if play, and then execution in step 442; Constantly arrive execution in step 450 if play;
Step 442 shows the time (also can be the concrete broadcast moment) that also need wait for, and returns step 420; Returning the back, former demonstration is revised according to prediction of speed and the broadcast new end of calculating constantly;
Step 451 continues plays break-in content, play finish after execution in step 460 again; Finish to intercut the modes such as playing behind the kid show end automatically that by user's active break or to be set at;
Step 460 is called playing program, from the current play position reading of data of the download multi-medium data memory block of memory cell, and the beginning content play;
Step 470 when carrying out content play, regularly judges whether to download to finish, if then master control flow process can finish, playing program is carried out and finished playing; If not, carry out next step, step 470;
Step 490 is interrupted content play and recording played constantly, returns step 410;
In step 470, after the master control flow process finishes, can carry out the download of break-in content, and will download intercut storage in the cut-broadcasting multimedia data storage area.
It is the method that the embodiment of the invention realizes intercutting routine call that Fig. 4 illustrates, and is made up of following steps:
Step 500 starts in system, and network linking is in the time of the free time, and server sends the partial programme content to user terminal, for example advertisement, scenic film, introduce data etc.;
Step 510, set-top box is with the cut-broadcasting multimedia data storage area of these file storage in memory cell, and this zone can be set as the pattern that the user can't inquire about and visit;
Step 520, server send listing to set-top box at set intervals, upgrade the content in the set-top box, and this listing is actually a circular linked list, corresponding each spot program;
Step 530 in playing process, is called system's display program tabulation after the program of intercutting, and is play selected program, current program number can be added the corresponding program in a back selected as acquiescence;
Step 540, this program will jump to next program after finishing automatically, be ended until the special program of intercutting, and can initiatively be ended by the user or then end automatically constantly in broadcast.
In sum, the present invention proposes based on television set and show that the download of online multimedia program, broadcast and content are intercutted a complete set of flow process.This flow process has realizability, has expanded the usage space of television set greatly.Fluency that multimedia messages is play and sound, video effect have been guaranteed, make user's stand-by period shorten as much as possible, and by friendly interface with intercut other appreciation activity that calling of program make the user can carry out on computers and on television set, also be achieved, the needs of user's reality have well been satisfied.Be a concrete broadcast example below.
The user signs in to a certain server, has selected movie program " hero ".At this moment eject to select picture: " would you please wait 15 minutes, can be towards a cup of Java, and then watch.You can select following service content now: 1, CD plays, and 2, existing movie, 3, recreation ... ".The user has selected the CD broadcast, and this moment, music was sounded.The user stands up to make coffee.
So the user tastes coffee on one side, on one side music appreciating ... musical sound stops, and picture shows: " can watch and " hero "! Whether you are ready to end CD is play, watch now? " the user selects.So just begin to represent " hero " content with one climax following another on the TV.The playing process of whole image is very smooth, clear image, and the audio shock, and do not need to remove to insert video disc as VCD or DVD.
After about one hour, the hero plays and suspends.Shown following content on television set: " you are good! Have a rest earlier now, what you watched at present is advertising programme.Whenever watch one, you will save 0.1 yuan expenses of surfing Internet." begin to play some ad contents on the video screen, and some user can also can carry out page turning and content choice by wireless input device and its " dialogue ".The upper right corner in advertisement is showing: " you will continue to watch highlight after 10 minutes.”
After ten minutes, advertisement stops to play, and recovers projection original " hero " again.The user continues to appreciate new content, until its end.At this moment show on the screen: " thank you is watched film " hero ", welcomes your other programs of program request again." jump to the rendition list of this server then automatically.
Television terminal of the present invention can be based on the simulated television or the Digital Television of various standards, the perhaps multimedia play terminal of other kinds.
On the basis of above embodiment, can do various conversion, for example:
In order to make the user can be more one advance to shorten the stand-by period, can select the duration of this broadcast by the user, calculating when playing constantly, this is play also needs the data downloaded amount can be 1/2,1/3 or the like of whole download content.For example, when playing a film of 1:20 hour, can select this playing duration of 40 minutes at the beginning, like this, if the user need wait for 30 minutes originally, just only wait for 15 minutes now and just can begin to have watched that the flow process of subsequent treatment and embodiment is the same, when interrupting in the data volume deficiency, the user can also select this playing duration once more.Begin the needs watched as early as possible to satisfy the user.Accordingly, need in the master control module, increase a duration selected cell, be used to point out the user to carry out the selection of this playing duration, and will select duration and offer described broadcast start-up control unit.
For the content before the help user recalls when restarting to play, when recovering projection, can carry out the automatic choosing of play content fragment earlier and broadcast, from raw content, extract some fragments and play by the time, certainly, the user also can select to skip this part and directly appreciate new content.Accordingly, also to increase the choosing of fragment in the master control module and broadcast the unit, be used for downloading that waiting bides one's time selects a plurality of fragments from play content, and when restarting content play, start the broadcast of these fragments earlier.
For the broadcast mode of plurality of optional is provided, behind the multimedia messages of having selected to play the user, system can allow the user select real-time broadcast mode or high-quality broadcast mode earlier, if the user selects real-time broadcast mode, then play by real-time mode, if the user selects the high-quality broadcast mode, then carry out the storage flow process and the playing flow of present embodiment downwards.
Claims (11)
1, a kind of network multimedia information fast playing method is applied to the system that is made up of server, broadband network, network television-set top-set-box and television set, may further comprise the steps:
(a) user login services device, the multimedia messages that selection will be play is carried out following storage flow process and playing flow then respectively;
Wherein, described storage flow process may further comprise the steps:
(b1) data flow directly passes to set-top box by under the server without flow control;
(c1) set-top box is finished the reception and the group bag of fragment message, is stored in then in the local storage, writes down download time and data quantity stored simultaneously;
(d1) carry out above-mentioned steps (b1) and (c1) continuously, download up to file and finish;
Described playing flow may further comprise the steps:
(b2) speed of download of prediction remaining data, the moment of calculating the beginning content play;
(c2) judge whether to arrive broadcast constantly,, then return step (b2), constantly arrive, carry out next step if play if do not arrive;
(d2) from local storage, read and downloaded content, begin to play from current play position;
(e2) when carrying out content play, whether judgment data is downloaded finishes, if, then play described multimedia messages after, finish; Do not finish if download, carry out next step;
(f2) judge whether the current data volume of playing is enough, if, return step (e2), otherwise, next step carried out;
(g2) interrupt content play and recording played constantly, return step (b2).
2, the method for claim 1 is characterized in that, in described step (b2) before, system default once plays the whole contents of selected multimedia messages, is perhaps selected the duration of this broadcast by the user; In step (b2), also need the data downloaded amount to obtain remaining download time with this broadcast divided by the speed of download of prediction, this residue download time deducts this playing duration, adds that the affluence amount of setting promptly obtains the stand-by period, is determined the moment that begins to play by waiting time.
3, the method for claim 1 is characterized in that, in described step (b2), also shows to the user and optionally intercuts item and play selected project; In described step (c2), constantly arrive if play, inquire whether interrupt intercutting program earlier, if the user selects to interrupt, execution in step (d2) if the user is not interrupted at once, is finishing to intercut back execution (d2) again.
4, method as claimed in claim 3 is characterized in that, server continues to send the multimedia messages that is used to intercut, and is stored in the local storage of set-top box behind the multimedia messages that sends user's selection.
5, the method for claim 1 is characterized in that, in described step (b2), in the described speed of download of prediction, goes back user waiting prompt; In described step (c2), constantly do not arrive if play, then display the play constantly or the time of pointing out the user to wait for.
6, the method for claim 1 is characterized in that, described step (g2) afterwards content play begins next time the time, carry out the automatic choosing of play content fragment earlier and broadcast.
7, the method for claim 1 is characterized in that, prediction in the described playing flow and judgement are regularly to carry out.
8, a kind of set-top box device that is used to realize the quick broadcast of network multimedia information, comprising: master control module, network interface unit, memory cell, decoding unit, multimedia output unit and control interface unit is characterized in that:
Storage, playing flow that described master control module is used to provide described network multimedia information fast playing method required are controlled and Play Control, further comprise:
Storage control unit, the data download that is used for after will group bag leaves described download multi-medium data memory block in, writes down download time and data quantity stored simultaneously;
Play the start-up control unit, be used to predict the speed of download of remaining data, in conjunction with this playing duration with also need the data downloaded amount to determine to play constantly, playing constantly from current play position startup content play;
Playing control unit is used to read the data of described many coal bodies of download data storage area, plays;
Play the interruption controls unit, be used for before download is finished, judge whether the data volume that can play in the described download multi-medium data memory block is enough, when data volume is not enough, interrupt content play, write down current broadcast constantly, and change start-up control over to;
Described memory cell comprises:
Program storage area is used to store the control program of set-top box device;
Download the multi-medium data memory block, be used to store the multi-medium data of user's program request.
9, set-top box device as claimed in claim 8 is characterized in that, described memory cell also comprises a cut-broadcasting multimedia data storage area, is used for being stored in the multimedia messages that download wait process will be intercutted; Described master control module comprises that is also intercutted a procedure control unit, is used to control the download and the storage of cut-broadcasting multimedia information, shows the optional item that intercuts, and starts and stop the broadcast of the information of intercutting.
10, set-top box device as claimed in claim 8, it is characterized in that, described master control module comprises that also the choosing of fragment broadcasts the unit, is used for downloading that waiting bides one's time selects a plurality of fragments from play content, and starts the broadcast of these fragments when restarting content play earlier.
11, set-top box device as claimed in claim 8 is characterized in that, described master control module also comprises a duration selected cell, is used to point out the user to carry out the selection of this playing duration, and will select duration and offer described broadcast start-up control unit.
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| CN 200410039008 CN1277405C (en) | 2004-01-20 | 2004-01-20 | A method of quick network multimedia information playing and corresponding set-top box equipment |
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| CN102026023A (en) * | 2009-09-10 | 2011-04-20 | 浙江省公众信息产业有限公司 | System and method for downloading and playing streaming media |
| CN102082774B (en) * | 2009-12-01 | 2015-02-18 | 新奥特（北京）视频技术有限公司 | Stream media data playing method and system |
| CN102638723B (en) * | 2012-03-22 | 2015-11-18 | 深圳创维数字技术有限公司 | A kind of method of play multimedia file and device |
| CN103945233B (en) * | 2013-01-22 | 2017-12-15 | 华为技术有限公司 | Flow media playing method and mobile terminal |
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| CN103517150B (en) * | 2013-09-13 | 2018-01-23 | 广东欧珀移动通信有限公司 | Blu-ray player is representing method and system that Internet video is loading |
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| US9948539B2 (en) * | 2014-08-29 | 2018-04-17 | The Nielsen Company (Us), Llc | Methods and apparatus to predict end of streaming media using a prediction model |
| CN104796758A (en) * | 2015-03-26 | 2015-07-22 | 成都市斯达鑫辉视讯科技有限公司 | Program caching method of set top box |
| CN104796757A (en) * | 2015-03-26 | 2015-07-22 | 成都市斯达鑫辉视讯科技有限公司 | Program continuous playing method of set top box |
| CN105549999A (en) * | 2015-12-16 | 2016-05-04 | 合肥联宝信息技术有限公司 | Method for relieving dissatisfaction of user on long-time waiting of response of operation system in intelligent device |
| CN107465945B (en) * | 2017-09-12 | 2019-12-03 | 中广热点云科技有限公司 | A kind of method and system realized IPTV and play enhancing |
| CN109982159B (en) * | 2017-12-27 | 2021-10-22 | 华为技术有限公司 | Method and terminal for playing streaming media on line |
| CN111478924B (en) * | 2020-05-09 | 2022-05-24 | 西安烽火电子科技有限责任公司 | Multi-hop relay voice communication method for ultrashort wave radio station |
-
2004
- 2004-01-20 CN CN 200410039008 patent/CN1277405C/en not_active Expired - Lifetime
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| CN1558665A (en) | 2004-12-29 |
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