Embodiment
A kind of tangent screen method, system, portable terminal and digital TV terminal that the embodiment of the invention provides are realized the technical problem of real-time Switch Video, picture, document preferably.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In embodiments of the present invention, take the CHINA RFTCOM Co Ltd at digital TV terminal place as bilateral network as the basis, in this bilateral network, digital TV terminal not only can receiving front-end broadcasting initiatively forward end send solicited message, the request media resource.In addition, described digital TV terminal can also be accessed the Internet media resource.
In embodiments of the present invention, portable terminal includes but not limited to desktop computer, panel computer IPAD, mobile phone, PDA, notebook computer, POS machine and vehicle-mounted computer, the present embodiment is take IPAD as example, how concrete elaboration realizes behind the real-time Switch Video between portable terminal and the digital TV terminal technical scheme of portable terminal control figure television terminal displaying video.
In addition, in embodiments of the present invention, portable terminal and digital TV terminal all start, and all support the access the Internet; And in the equal integrated background service program program of portable terminal and digital TV terminal, and described background service program is the starting up not, after the online operation system of the arbitrary terminal landing of portable terminal and digital TV terminal, this background service program can provide the equipment room point-to-point communication, player API(Application Programming Interface is called in support, the application programming interface function), support the current broadcast information of storage.In addition, in embodiments of the present invention, the background service program of portable terminal can be suspended in button on the display interface as visual sign by one, the user clicks or slides or other modes touch this button and can realize that video frequency program with portable terminal switches in the digital TV terminal and play, when the user again clicks or slides or other modes can realize again the switchback from digital TV terminal of described video is come after touching this button.In addition, described online operation system refers to provide the system of the Internet Online Video business in embodiments of the present invention.
The flow process of the mobile terminal playing internet video of the embodiment of the invention may further comprise the steps:
Step S1011, the mobile terminal-opening initialization starts the background service program;
Step S1012, portable terminal receives user user's input, connecting Internet, according to user's request and account, login is at line service; Described id information is identical with the ID of digital TV terminal login; If user account number is correct, if execution in step step S1013 then is user account number mistake, then execution in step S1014;
Step S1013, portable terminal sign in at line service;
Step S1014, login failure, execution in step S1012, again login;
Step S1015, portable terminal send the video program play request according to user's input to online operation system;
Step S1016, online operation system is returned described video frequency program to portable terminal, and portable terminal starts the described video frequency program of media renderer plays.
The digital TV terminal of the embodiment of the invention is play the flow process of programme televised live, may further comprise the steps:
Step S1021, the digital TV terminal opening initialization starts the background service program;
Step S1022, digital TV terminal sends the direct broadcast band program request to the direct broadcast band server;
Step S1023, numeral is pressed the direct broadcast band programme information that television terminal receives described request, and plays this channel program.
The user handles official business in the other places, goes on business, and is more convenient with portable terminal during tourism, but, owing to being subject to the mobile terminal screen size, sometimes use user's experience meeting of portable terminal poor, this moment, the user can play this video switch to digital TV terminal.
Seeing also Fig. 1, is the flow chart that the first terminal of the embodiment of the invention cuts Internet video to the second terminal;
Step S100, when first terminal is in the state of playing network video, judge whether to cut described Internet video to the second terminal according to user's input;
The embodiment of the invention is using portable terminal to watch the online program of video of internet video service with the user, it is that example describes that digital TV terminal is being play programme televised live, but understandable, the present invention can be applied in other business such as online picture, Online Music, e-book equally.
Described Internet video comprises the video with picture, animation and consecutive image, also comprises the pure audio of not being with picture, animation and continuous picture.
Described first terminal includes but not limited to that digital TV terminal, set-top box, digital TV integrated machine and other can play the terminal equipment of direct broadcast band program; Described the second terminal include but not limited to mobile phone, IPAD, panel computer notes this, POS machine and vehicle-mounted computer etc. are convenient to mobile mobile terminal device; First terminal and the second terminal can mutually transform under certain condition, replace.
The user switches to digital TV terminal in real time with the video in the portable terminal, and is concrete, after portable terminal starts the background service program, shows on the screen of portable terminal that the video of "=〉 " cuts button.When portable terminal is in the state of playing network video, the user cuts button by "=〉 " video that shows on the mobile terminal screen, whether input cuts described in progress Internet video to digital TV terminal, and portable terminal is judged user's input.
Step S200 if then first terminal obtains the video information of described Internet video, generates and cuts video interface information and sending to the second terminal; Wherein, the described video interface message that cuts comprises the video information of described Internet video and cuts command information, and described video information comprises chained address, the Internet video sign of described Internet video and the first playing duration that records the current playing duration of described Internet video;
If user's input cuts the in progress Internet video of portable terminal, then portable terminal background service program is obtained chained address, the Internet video sign of described Internet video and is recorded the first playing duration of the current playing duration of described Internet video and cut command information, generation cuts video interface message, and with the described video interface message that cuts based on 3G, WLAN, UWB, bluetooth, the wireless communication techniques such as WIFI send to digital TV terminal.
Wherein, cutting command information is token Token, give token token value, token token value act on the primary network video cut with the whole process of primary network video switchback in, the function of token token value is to lock once complete video switch, comprises that primary video cuts and the primary video switchback.Concrete, if the corresponding video of push cuts interface message, the corresponding video switchback of pull message, a pair of push then, pull uses same token value, and command instruction pushes away push, and type is Internet video, and interface boards this shop is 1.0.Internet video process title Video_Name when Internet video is play, the Video_Version of Internet video version number, then the form that cuts of video is as follows:
In addition, the described video interface message that cuts can realize by adopting hardware button or software push buttons, can also finish by a specific keys, even also can finish by whipping and setting.
Detailed, iPad is playing internet video " * * * * * ", and the time shaft of video playback is to locate in 10 minutes, namely " * * * * * " play 10 minutes.At this moment, the user clicks video by iPad to it and cuts button, and what collect " * * * * * " cuts video interface message.The interface message of described cutting " * * * * * " specifically comprises: token token, user's IP, user ID, " * * * * * " program identification and described " * * * * * " program first playing duration 10 minutes.IPad background service program sends and cuts the interface message of " * * * * * " to the digital TV terminal corresponding with it by communication networks such as WIFI or bluetooths.
In addition, portable terminal, namely ipad sends and to cut video interface message to digital TV terminal, the described video interface message that cuts of portable terminal response, will before be shown as "=〉 " the software exchange button change to the software exchange button of "<="; Further, the player standby of portable terminal, the control interface of display video programs is used for remote control and controls the video program play that switches on the digital TV terminal.
Step S300, the second terminal receives the described video interface message that cuts, and resolves to obtain described video information and cut command information;
Digital TV terminal receives the described video interface message that cuts, and resolves the chained address, the Internet video that obtain Internet video and identifies and record the first playing duration of the current playing duration of described Internet video and cut command information.
Concrete, digital TV terminal receives and cuts the interface message of " * * * * * ", resolves the IP that obtains token token, user, user ID, " * * * * * " program identification and described " * * * * * " program first playing duration 10 minutes.
In addition, the second terminal generates to cut and replys interface message and be sent to first terminal, and described cutting replied interface message and comprised be used to the affirmation information of confirming that described Internet video has been play; First terminal receives described cutting and replys interface message, stops to play described video.The second terminal is closed direct broadcast band, stores described direct broadcast band programme information.
Concrete, when cutting the interface message of " * * * * * " when digital TV terminal receives, digital TV terminal generates and to cut and reply the interface message of " * * * * * " and sends portable terminal, and the described interface message of replying " * * * * * " that cuts comprises that described be used to confirming " * * * * * " plays at digital TV terminal; Portable terminal receives the described interface message of replying " * * * * * " that cuts, and stops to play the Internet video of described " * * * * * ".In addition, when digital TV terminal receives and cuts the interface message of " * * * * * ", receive and cut after the interface message of " * * * * * " in progress direct broadcast band program before the autoshutdown, and with the storage of in progress channel information, wait standby communication terminal will cut Internet video program on the digital TV terminal " * * * * * " and switch back to the follow-up continued broadcasting of portable terminal and put.
In addition, the program of the current operation of the second terminal control enters holding state; Concrete, if digital TV terminal is being play the direct broadcast band program, then digital TV terminal control direct broadcast band program enters holding state, closes the direct broadcast band video flowing, wouldn't play the direct broadcast band program; If digital TV terminal is being played single-play game, then digital TV terminal control single-play game program enters holding state, closes single-play game, wouldn't move the single-play game program; If digital TV terminal browsing webpage, then digital TV terminal control browser enters holding state, wouldn't access the Internet.In embodiments of the present invention, the holding state of program refers to that program does not withdraw from, but at running background, current state is stored in the internal memory, receive wake instruction up after, can from internal memory, call in standby rapidly before state enter system, normal operation.
Step S400, the second terminal begins to play according to the described position that cuts the first playing duration indication of video interface message to corresponding online operation system request from described Internet video; Wherein, described online operation system provides interface document, and play the position that described interface document supports the second terminal to leap to the indication of the first playing duration according to described the first playing duration.Wherein, described interface document provides application programming interface function (Application Programming Interface), is convenient to the entitled party secondary development; The interface string also is provided in addition, is convenient to access the address of the position of described the first playing duration indication.
Concrete, described digital TV terminal was located to begin to play to current internet video service request " * * * * * " program the first playing duration according to the interface message of cutting of receiving " * * * * * " in 10 minutes, realized that the networking video frequency program of portable terminal switches to digital TV terminal in real time.Described online operation system provides interface document, i.e. internet video service provides interface document, support according to program identification and playing duration leap to the position broadcast of Pgmtime axle indication.
In addition, in another embodiment of the present invention, also realized first terminal and the second terminal are bound, first terminal and the second terminal can be switched mutually, and other terminal can not have been switched mutually with first terminal or the second terminal.Particularly, also comprised step 90 before described step S100: according to user's input, first terminal and the second terminal be the configure user account number respectively; In described step S200, describedly cut the usersaccount information that video interface message also comprises described first terminal; After described step S300, step S400 also comprises step: step S301 before, and whether the usersaccount information that the second terminal judges receives is identical with the user account number that has configured, if then execution in step 400.
See also Fig. 2, be that the first terminal of the embodiment of the invention is from the flow chart of the second terminal switchback Internet video;
Step S401 when first terminal is in the state of not playing described Internet video, judges whether from the switchback message of the described Internet video of the second terminal switchback according to user's input;
Concrete, after the Internet video of portable terminal is cut, the described video interface message that cuts of portable terminal response, will before be shown as "=〉 " the software exchange button change to the software exchange button of "<="; Further, the player standby of portable terminal, the control interface of display video programs is used for remote control and controls the video program play that switches on the digital TV terminal.If portable terminal is clicked the software exchange button of "<=" to this digital TV terminal, Internet video from the digital display television terminal to digital TV terminal request switchback that just playing at of portable terminal then.
If step S402, then first terminal is according to described switchback message generation switchback video interface information and sending to the second terminal, and wherein, described switchback video interface message comprises described Internet video sign and switchback command information;
Concrete, the Internet video that portable terminal is just being play at the digital display television terminal to digital TV terminal request switchback, portable terminal receives the Internet video switchback instruction of user's input, to digital TV terminal, described switchback video interface message comprises described Internet video sign and switchback command information to portable terminal according to described switchback Information generation switchback video interface information and sending.
Wherein, described Internet video sign is used for the sign of Internet video interactive communication between portable terminal and the digital TV terminal, plays the effect of confirming the consolidated network video; Cutting command information is token Token, give token token value, token token value act on the primary network video cut with the whole process of primary network video switchback in, the function of token token value is to lock once complete video switch, comprises that primary video cuts and the primary video switchback.Concrete, if the corresponding video of push cuts interface message, the corresponding video switchback of pull message, a pair of push then, pull uses same token value, and command instruction pushes away push, and type is Internet video, and interface boards this shop is 1.0.Internet video process title Video_Name when Internet video is play, the Video_Version of Internet video version number, then the form of video switchback is as follows:
In addition, described switchback video interface message can realize by adopting hardware button or software push buttons, can also finish by a specific keys, even also can finish by whipping and setting.
Detailed, the Internet video that portable terminal is just being play at the digital display television terminal to digital TV terminal request switchback " * * * * * ", portable terminal receives Internet video " * * * * * " the switchback instruction of user input, Internet video sign that to digital TV terminal, that described " * * * * * " switchback video interface message comprises portable terminal is described according to described " * * * * * " switchback Information generation " * * * * * " switchback video interface information and sending " * * * * * " and " * * * * * " switchback command information.
Step S403, the second terminal receives described switchback video interface message, resolves to obtain described video labeling and switchback command information;
Step S404, the second terminal is obtained the second playing duration of the current playing duration of the described Internet video of record according to described switchback video interface message, generate switchback and reply interface message, and be sent to first terminal; Wherein, described switchback is replied interface message and is comprised described the second playing duration and be used for to confirm that the described Internet video of switchback is to the affirmation information of first terminal;
Concrete, digital TV terminal receives described switchback video interface message, obtains the second playing duration of the current playing duration of the described Internet video of record according to described switchback video interface message, generates switchback and replys interface message, and be sent to portable terminal; Wherein, described switchback is replied interface message and is comprised the second playing duration of described Internet video and be used for to confirm that the described Internet video of switchback is to the affirmation information of portable terminal.
Detailed, portable terminal is clicked software push buttons or the hardware button of video switchback "<=" by the user to it, realizes the interface message of the switchback that the digital TV terminal mobile terminal receive sends " * * * * * " video.After digital TV terminal receives the interface message of switchback " * * * * * " video, the playing duration of the interface message triggered digital television terminal background service program record of described switchback " * * * * * " screen " * * * * * " on digital TV terminal, the second program playing duration of " * * * * * " namely, generate " * * * * * " switchback and reply interface message, and described " * * * * * " switchback is replied interface message and returned to portable terminal.Concrete, Digital Television is being play from portable terminal and is being switched to internet video on the digital TV terminal " * * * * * ", and the reproduction time axle of video on digital TV terminal is to locate in 20 minutes, namely " * * * * * " play 20 minutes, play time shaft that the digital TV terminal of " * * * * * " will " * * * * * " plays and be and generated in 20 minutes " * * * * * " switchback and reply interface message, and described " * * * * * " switchback is replied interface message and returned to portable terminal.Wherein, it is to locate in 20 minutes that time shaft that interface message comprises that described " * * * * * " plays is replied in described " * * * * * " switchback, and the second playing duration and being used for confirms that the described Internet video of switchback " * * * * * " is to the affirmation information of portable terminal.
Step S405, first terminal is replied interface message according to the described switchback that receives, the position of the second playing duration indication to described online operation system request from described Internet video begins to play, wherein, described online operation system provides interface document, and play the position that described interface document supports first terminal to leap to the indication of the second playing duration according to described the second playing duration.
Concrete, portable terminal is according to the interface message of replying of the described switchback that receives " * * * * * ", the position of the second playing duration indication to described internet video server request from described " * * * * * " began to play in 20 minutes, wherein, described internet video server provides interface document, and play the position that described interface document supports portable terminal to leap to the indication of the second playing duration according to described " * * * * * " second playing duration.
Detailed, after portable terminal receives the sign of the second program playing duration of " * * * * * " and " * * * * * ", portable terminal was located to begin to play to current internet video service request " * * * * * " program the second playing duration in 20 minutes, realized that the Online Video program of Digital Television switches to portable terminal in real time.
In addition, in another embodiment of the present invention, also realized first terminal and the second terminal are bound, first terminal and the second terminal can be switched mutually, and other terminal can not have been switched mutually with first terminal or the second terminal.Particularly, also comprised step 90 before described step S401: according to user's input, first terminal and the second terminal be the configure user account number respectively;
In described step 402, described switchback video interface message also comprises the usersaccount information of described first terminal;
After described step 403, before the step 404, also comprise step 405: whether the usersaccount information that the second terminal judges receives is identical with the user account number that has configured, if then execution in step 404.
Further, the second terminal is closed the Internet program request video flowing, reads the direct broadcast band information of original storage, starts the direct broadcast band program of the described original storage of player.
When the user has pressed switchback video button "<=", " * * * * * " switch back to portable terminal from digital TV terminal after, the Internet program request video flowing is closed in the digital TV terminal service, read the direct broadcast band information of original storage, and the startup player plays, the digital TV terminal player requests is play the direct broadcast band of described preservation.
Seeing also Fig. 3, is the structure chart that is used for the system of handover network video between a plurality of intelligent terminals of the embodiment of the invention;
A kind of system 1 for handover network video between a plurality of intelligent terminals comprises first terminal 10, the second terminal 11 and online operation system 12, and first terminal 10 comprises: the first video playback module 101 is used for the playing network video; Interactive module 102 is used for judging whether to cut described Internet video to the second terminal according to user's input, if, then; The first message module 103, be used for obtaining the video information of described Internet video, generation cuts video interface information and sending to the second terminal, wherein, the described video interface message that cuts comprises the video information of described Internet video and cuts command information, and the video information of described Internet video comprises the chained address of described Internet video, Internet video sign and the first playing duration that records the current playing duration of described Internet video; The second terminal comprises 11: the second message module 111, is used for receiving the described video interface message that cuts, and resolves the video information that obtains the current network video and cuts command information; The second video playback module 112 is used for beginning to play according to the described position of video interface message to corresponding online operation system 12 requests from the first playing duration indication of described Internet video that cut; Wherein, described online operation system 12 provides interface document, and play the position that described interface document supports the second terminal to leap to the indication of the first playing duration according to described the first playing duration.Wherein, described interface document provides application programming interface function (Application Programming Interface), is convenient to the entitled party secondary development; The interface string also is provided in addition, is convenient to access the address of the position of described the first playing duration indication.
Further, described the second message module 111 also be used for to generate to cut and replys interface message and be sent to first terminal, and described cutting replied interface message and comprised be used to the affirmation information of confirming that described Internet video has been play;
Described the first message module 103 also is used for receiving described cutting and replys interface message; Described the first video playback module 101 also is used for replying interface message according to described cutting, and stops to play described Internet video.
Further, described interactive module 102 also is used for when described the first video playback module is not play described Internet video, and reception user's input judges whether from the described Internet video of the second terminal switchback, if, then; Described the first message module 103 also is used for generating switchback video interface information and sending to the second terminal, and wherein, described switchback video interface message comprises described Internet video sign and switchback command information; And interface message is replied in the switchback that receives the transmission of the second terminal; Described the first video playback module 101 also is used for replying interface message according to the described switchback that receives, and the position to described online operation system 12 requests from the second playing duration indication of described Internet video begins to play; Wherein, described online operation system 12 provides interface document, and play the position that described interface document supports first terminal to leap to the indication of the second playing duration according to described the second playing duration; Described the second message module 111 also is used for receiving described switchback video interface message, resolves and obtains described video labeling and switchback command information; Obtain the second playing duration of the current playing duration of the described Internet video of record according to described switchback video interface message, generate switchback and reply interface message, and be sent to first terminal; Wherein, described switchback is replied interface message and is comprised the second playing duration and be used for to confirm that the described Internet video of switchback is to the affirmation information of first terminal.
Further, the second terminal also comprises: the second control module 113, be used for receiving the described video interface message that cuts in the second message module, after resolving the video information that obtains described Internet video and cutting command information, the program of controlling current operation enters holding state; And after the second message module is returned switchback to first terminal and replied interface message, wake the described program that enters holding state up.
Seeing also Fig. 4, is the structure chart of the intelligent terminal of the embodiment of the invention;
A kind of intelligent terminal 2 comprises: the first video playback module 21 is used for the playing network video; Interactive module 22 be used for to receive user's input, judges whether to cut described Internet video to another intelligent terminal according to user's input, if, then;
The first message module 23, be used for obtaining the video information of current network video, generation cuts the video interface information and sending to described another intelligent terminal, wherein, the described video interface message that cuts comprises the video information of described Internet video and cuts command information, and described video information comprises chained address, the Internet video sign of described Internet video and the first playing duration that records the current playing duration of described Internet video.
Further, described interactive module 22 also is used for receiving user's input when described the first video playback module is not play described Internet video, judge whether from the described Internet video of described another intelligent terminal switchback, if, then; Described the first message module 23 also is used for generating switchback video interface information and sending to the second terminal, and wherein, described switchback video interface message comprises described Internet video sign and switchback command information; And interface message is replied in the switchback that receives described another intelligent terminal transmission; The affirmation information that interface message comprises the second playing duration of the current playing duration of the described Internet video of record and is used for confirming the described Internet video of switchback is replied in described switchback; Described the first video playback module 21 also is used for replying interface message according to the described switchback that receives, and the position of the second playing duration indication to described online operation system request from described Internet video begins to play; Wherein, described online operation system provides interface document, and play the position that described interface document supports first terminal to leap to the indication of the second playing duration according to described the second playing duration.
Further, described the first message module 23 also is used for receiving the switchback that described another intelligent terminal sends and replys interface message; Described switchback is replied interface message and is comprised be used to the affirmation information of confirming that described Internet video has been play; Described the first video playback module 21 also is used for replying interface message according to described switchback, stops to play described Internet video.
Further, described interactive module 22 comprises touch display screen 221 and touches detection module 222; When described the first video playback module 21 is play described Internet video, described touch display screen 221 is used for showing described Internet video, and shows that above the interface of display network video being used for prompting user cuts described Internet video to the icon that cuts of described another intelligent terminal; Touch detection module 222 touches described touch display screen for detection of the user gesture, when described gesture cuts icon for click is described, then be judged as and cut described Internet video to described another intelligent terminal;
Described the first message module 23 send cut video interface message after, when described the first video playback module 21 was not play described Internet video, described touch display screen 221 showed for the switchback icon of prompting user from the described Internet video of described another intelligent terminal switchback; Touch detection module 222 touches described touch display screen for detection of the user gesture, when described gesture is when clicking described switchback icon, then to be judged as from the described Internet video of described another intelligent terminal switchback.
Described intelligent terminal 2 comprises any one in mobile phone, Digital Television, set-top box, TV integrated machine, IPTV, personal computer, the panel computer.
Seeing also Fig. 7, is the structure chart of a kind of another embodiment of intelligent terminal of the present invention
A kind of intelligent terminal 3, comprise: the second message module 31, what be used for to receive that another intelligent terminal sends cuts video interface message, parsing obtains the video information of current network video and cuts command information, and described video information comprises chained address, the Internet video sign of described Internet video and the first playing duration that records the current playing duration of described Internet video; The second video playback module 32, be used for beginning to play according to the described position that cuts the first playing duration indication of video interface message to corresponding online operation system request from described Internet video, wherein, described online operation system provides interface document, and play the position that described interface document supports the second terminal to leap to the indication of the first playing duration according to described the first playing duration.
Further, described the second message module 31 also be used for to generate to cut and replys interface message and be sent to described another intelligent terminal, and described cutting replied interface message and comprised be used to the affirmation information of confirming that described Internet video has been play.
Further, described the second message module 31, also be used for receiving the switchback video interface message that described another intelligent terminal sends, obtain the second playing duration of the current playing duration of the described Internet video of record according to described switchback video interface message, generate switchback and reply interface message, and be sent to described another intelligent terminal; Wherein, described switchback video interface message comprises described Internet video sign and switchback command information; Described switchback is replied interface message and is comprised the second playing duration of described Internet video and be used for confirming that the described Internet video of switchback is to the affirmation information of described another intelligent terminal.
In addition, described intelligent terminal 3 also comprises the second control module 33, is used for receiving the described video interface message that cuts in the second message module, after parsing obtained the video information of described Internet video and cuts command information, the program of controlling current operation entered holding state; And after the second message module is returned switchback to described another intelligent terminal and replied interface message, wake the described program that enters holding state up.
Further, when described the second video playback module 32 is play programme televised live, described the second message module 31 receives the described video interface message that cuts, parsing obtains the video information of described Internet video and cuts command information, then described the second control module 33 stops to play described programme televised live for controlling described the second video playback module, stores described programme televised live information;
After the second message module 31 is returned switchback to described another intelligent terminal 2 and is replied interface message, described the second control module 33 is used for controlling described the second video playback module 32 and stops to play described Internet video, read described programme televised live information, play described programme televised live.
Described intelligent terminal 3 comprises any one in mobile phone, Digital Television, set-top box, TV integrated machine, IPTV, personal computer, the panel computer.
The method that above-mentioned Internet video is switched; not only between applicable and two intelligent terminals; the Internet video that also is applicable between the intelligent terminal more than three is switched; above act preferred embodiment; to purpose of the present invention; technical scheme and advantage further describe; institute is understood that; the above only is preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, as to do any modifications; be equal to replacement; improve etc., all should be included within protection scope of the present invention; the interest field that the present invention advocates should be as the criterion so that the patent application scope is described, but not only limits to above-described embodiment.