Embodiment
In order to realize the object of the invention, the embodiment of the invention has proposed a kind of studio what comes into a driver's Based Intelligent Control and has broadcasted scheme, behind the physical equipment access consolidated network with integrated control system and polytype and a plurality of quantity, according to the network that inserts each physical equipment is instructed control by integrated control system, the control command that requires physical equipment to send according to integrated control system, carry out operation and the various studios of the final output signal of appointment, and by the playback equipment broadcast, realize that integrated control system is to the instruction control of physical equipment.Because the scheme of the embodiment of the invention is by the automatic command control of integrated control system to each physical equipment, can reduce the complexity of control, and because the embodiment of the invention need not manually each physical equipment to be controlled, can effectively improve the studio what comes into a driver's and broadcast efficient and accuracy.
Need to prove that the physical support of the various output functions of required realization when the physical equipment that relates in the various embodiments of the present invention is studio signal output includes but not limited to following several:
1, realize the physical support of the video output subsystem of video output function, for example: will read in real time or video data stored be converted to the vision signal of setting form and the physical support of output;
2, realize the physical support of the picture and text output subsystem of picture and literal output function, for example: will read in real time or will store lteral data and be converted to the letter signal of setting form and the physical support of output;
The physical support of the light control subsystem of required lighting effects when 3, realizing the program broadcast;
The physical support of the sound equipment control subsystem of sound effect when 4, realizing the program broadcast.
In the solution of the present invention, integrated control system is abstracted into virtual unit with each physical equipment, just with the unified expression of multiclass physical equipment in integrated control system, for the situation that comprises at least one actual physical equipment in multiclass physical equipment and the every class physical equipment is arranged, integrated control system can generate and described physical equipment corresponding equipment resource, and generation specifically comprises with the process of physical equipment corresponding equipment resource:
Integrated control system generates the device resource corresponding with physical equipment, comprises the connection parameter of this physical equipment and the instruction set of physical equipment in the described device resource.
Described connection parameter is be used to the parameter of carrying out network connection, as device name, unit type, device type (as the physical equipment of video capability, the physical equipment of picture and text function), the port numbers that connects network, IP address etc.Described instruction set be this physical equipment the set of the instructions that can respond.
In the described instruction set except comprise physical equipment the instruction that can respond, can also comprise the corresponding growth data item of instruction, described growth data item can be used for filling in parameter required when carrying out this instruction.For example, at light units, an instruction that requires the light rotation is arranged in its instruction set, and the number of degrees and number of repetition in the corresponding growth data Xiang Zhongke fill request light rotation of this instruction require light units to carry out the rotation of light according to these number of degrees and number of times requirement.
If many instructions are arranged in an instruction set, then every instruction can have corresponding growth data item, also can partly instruct corresponding growth data item, distinguishingly, also can not have the growth data item in the instruction set.
After integrated control system generation and physical equipment corresponding equipment resource (form with file exists), this device resource can be stored, as shown in table 1, be the tabular form example of a physical equipment corresponding equipment resource storage.
Table 1
As can be seen from Table 1, the device resource corresponding with physical equipment that table 1 is represented, the device identification in integrated control system is 001, this device identification 001 expression table 1 apparatus shown resource corresponding physical equipment.
The growth data item is the expansion of instructing in the physical equipment instruction set in the described table 1, for example: in the instruction of reading video data, the content of expansion is " reference address of video data to be read ", the expression integrated control system is wished this physical equipment when reading video data, can read corresponding video data from the reference address of expansion.For another example, be converted in the instruction of signal in data, the content of expansion is " signal format after the conversion ", and the expression integrated control system is wished this physical equipment when changing, and data can be converted to the format signal of expansion.
The studio signal that relates in the various embodiments of the present invention can be the various signals that produce in the studio, as vision signal, audio signal, light signal etc.
Below in conjunction with Figure of description the embodiment of the invention is described in detail.
Embodiment one:
The embodiment of the invention provides a kind of studio what comes into a driver's Based Intelligent Control broadcast system, and as shown in Figure 1, the structural representation for the studio what comes into a driver's Based Intelligent Control broadcast system in the present embodiment one mainly comprises following a few part:
Integrated control system 11, network access device 12, at least one physical equipment 13 and at least one playback equipment 17, described integrated control system 11 and physical equipment 13 insert consolidated network (can be cable network or wireless networks such as local area network (LAN)) by network access device 12, just integrated control system 11 and physical equipment 13 are connected in wired or wireless mode.
Wherein:
Integrated control system is 11 the present invention program's core, is when the studio signal is exported the centralized control of each physical equipment 13 and the integral body of various control signals to be dispatched.Particularly, integrated control system 11 is used for according to current program to be broadcast and the required physical equipment of broadcast program, determine to play the required device resource of described program to be broadcast, and the network that passes through to insert indicates the physical equipment 13 that receives control command to carry out the operation of appointment according to the requirement of control command to physical equipment 13 sending controling instructions of determining.
Particularly, integrated control system 11 is used for generating corresponding equipment resource with it according to connection parameter and the instruction set of each physical equipment 13.Integrated control system 11 also is used for the program according to a certain period to be played or a certain shelves simultaneously, determine to select corresponding equipment resource with it behind the required physical equipment of this program 13, and generate the program Series Sheet at device resource, the program Series Sheet that generates is stored as the programme resource with the form of file.
Comprise information such as programme content to be played and playing sequence in the described program Series Sheet, according to the information in the program Series Sheet, can know TV programme and devices needed resource and the device resource corresponding physical equipment of required broadcast.Described program Series Sheet all comprises several program entries.
For example, the program Series Sheet of " weather forecast " can be as shown in table 2:
Table 2
After integrated control system 11 generates described program Series Sheet, owing to have certain corresponding relation between device resource and the physical equipment, so, can determine the connection parameter (as the IP address of physical equipment, connect the port numbers of network etc.) of physical equipment according to the device identification in the program Series Sheet, by the network that inserts to physical equipment 13 sending controling instructions.
Network access device 12 is the bridges between integrated control system 11 and the physical equipment 13, can be the connection device (for example Ethernet switch) in the cable network, also can be the connection device (for example wireless router) in the wireless network.Integrated control system 11 and physical equipment 13 insert consolidated network by network access device 12, if network access device 12 is Ethernet switches, then integrated control system 11 and physical equipment 13 insert same local area network (LAN); If network access device 12 is wireless routers, then integrated control system 11 and physical equipment 13 insert same wireless network.
Integrated control system 11 is when sending controling instruction, be to physical equipment 13 sending controling instructions by the consolidated network that inserts with physical equipment 13, particularly, integrated control system 11 transfers to network access device 12 with control command by wired or wireless mode, again by network access device 12 according to information such as the IP address of the physical equipment 13 that carries in the control command or port numbers, the control command that integrated control system 11 is sent transfers to corresponding physical equipment 13.
At the arbitrary physical equipment 13 in the what comes into a driver's Based Intelligent Control broadcast system of studio, be used for after receiving the control command of integrated control system by the network transmission of access, according to the operation of this control command execution appointment, and output studio signal.
For example: after integrated control system 11 generates the program Series Sheet shown in the table 2, determine the device resource of video playback apparatus according to device identification 002, and from device resource, determine the connection parameter of this video playback apparatus, control command from the growth data item to the video playback apparatus transmission that utilize this connections parameter to fill in.After video playback apparatus receives this control command, according to the requirement in the growth data item, outputting video signal.Way at light control appliance in the table 2 and sound equipment control appliance is similar.
Playback equipment 17 can receive the studio signal of physical equipment 13 outputs, and broadcasts the what comes into a driver's after obtaining broadcasting.
Particularly, because the type of the studio signal of the final output of physical equipment can be types such as vision signal, audio signal, light signal, therefore, be used for receiving the studio signal of physical equipment output and the playback equipment that broadcasts, the playback equipment that refers to have correct broadcast studio signal capabilities.
For example: being used for receiving the also playback equipment of broadcast video signal, should be the video playback apparatus with video playback ability, is used for the playback equipment of reception and playing audio signal, should be the audio-frequence player device with audio frequency ability to play.
More preferably, the studio what comes into a driver's Based Intelligent Control broadcast system in the present embodiment one can further include with the lower part:
Described studio control output system can also comprise resource memory device 14, this resource memory device 14 by with being connected of network access device 12, realize with integrated control system 11 and each physical equipment 13 between be connected, that is to say that resource memory device 14 inserts consolidated network by network access device 12 and integrated control system 11 and each physical equipment 13.
Resource memory device 14 can be used for resource files such as store video, picture and text, material, programme, so that after physical equipment 13 receives control command, can from resource memory device 14, read the resource file (as various information such as video data, picture and text) of carrying out this control command assigned operation according to the requirement in the control command.
Need to prove, physical equipment 13 also can be according to receiving control command, do not read resource memory device 14 interior resource files but direct requirement output studio signal according to control command, physical equipment 13 can also directly read the resource needed file from physical equipment 13 this locality according to the control command that receives.
Resource memory device 14 also can be used for the program Series Sheet that integrated control system 11 generates is stored as the programme resource in this locality.
In addition, can also be stored in this locality with physical equipment 13 corresponding equipment resources with what integrated control system 11 generated.
Need to prove, described resource memory device 14 is optional equipment, if when not comprising this resource memory device in the what comes into a driver's Based Intelligent Control broadcast system of studio, canned data also can be stored in the integrated control system 11 in the described resource memory device 14, perhaps is stored in each physical equipment 13.
Described studio what comes into a driver's Based Intelligent Control broadcast system can also comprise optional external control appliance 15, this optional external control appliance 15 generally can be smart mobile phone, panel computer, remote controller, touch apparatus etc., described optional external equipment 15 can be directly be connected by serial ports with integrated control system 11, also can insert consolidated networks by network access device 12 and integrated control system 11.
Described optional external control appliance 15 can be used for sending remote signal to integrated control system 11, the notice integrated control system 11 current tasks of needing execution, and the remote signal that requires the integrated control system basis to receive generates control command and sends.For example: optional external control appliance 15 can send the remote signal of suspending output to integrated control system 11, after integrated control system 11 receives this remote signal, generate the control command of suspending output, and send to the physical equipment 13 of current output studio signal, physical equipment 13 receives the output that suspends the studio signal after this control command.
Described optional external control appliance 15 is optional equipment, can pass through described optional external control appliance 15, realizes the Long-distance Control to studio what comes into a driver's Based Intelligent Control broadcast system.
No matter whether comprise optional external control appliance 15 in the what comes into a driver's Based Intelligent Control broadcast system of described studio, the input port that can provide to the external world according to integrated control system, receive the extraneous control signal that sends to integrated control system 11 (as generating program Series Sheet, handover operation, output studio signal or suspending output studio signal etc.), require integrated control system 11 to carry out studio signal output function according to described control signal.
Described studio what comes into a driver's Based Intelligent Control broadcast system can also comprise switching device 16, described switching device 16 can be connected with integrated control system 11 by serial mode, perhaps, insert consolidated network by network access device 12 and integrated control system 11 and physical equipment 13.Described switching device 16 receives the studio signal (such as vision signal) of each physical equipment 13 output on the one hand, and on the other hand, the switching command that sends according to integrated control system 11 switches output to the studio signal from physical equipment 13.
For example: switching device is a switching device that contains 32 inbound ports and 32 outbound ports, the studio vision signal of physical equipment 1 output is connected with inbound port _ 1 of described switching device, the output port corresponding with described inbound port _ 1 is outbound port _ 1 of described switching device, the studio vision signal of physical equipment 2 outputs is connected with inbound port _ 2 of described switching device, the output port corresponding with described inbound port _ 2 is respectively outbound port _ 2 of described switching device, outbound port _ 3 and outbound port _ 4, at this moment, can obtain the studio vision signal of physical equipment 1 output in outbound port _ 1 of described switching device, in outbound port _ 2 of described switching device, outbound port _ 3 and outbound port _ 4 obtain the studio vision signal of physical equipment 2 outputs respectively.
Integrated control system sends switching command to switching device, described switching command carries the inbound port of amended described switching device and the corresponding informance of outbound port (as: requiring inbound port _ 1 corresponding output port to be respectively outbound port _ 5 and outbound port _ 6), behind the switching command that described switching device is received, according to the inbound port that carries in the instruction and the corresponding informance of outbound port, (output port that will be corresponding with inbound port _ 1 is by original outbound port _ 1 to change the inbound port of described switching device and the corresponding relation of outbound port, change to outbound port _ 5 and outbound port _ 6, other inbound port of described switching device and the corresponding relation of outbound port are constant), can obtain the studio vision signal corresponding with physical equipment 1 output with outbound port _ 6 this moment in outbound port _ 5 of described switching device, and can not obtain the studio vision signal corresponding with physical equipment 1 output in outbound port _ 1 of described switching device.
Described switching device 16 is optional equipment, can be implemented under the situation of not interrupting studio signal output, to the change of output way and output port according to the switching command that receives.If when not comprising switching device 16 in the what comes into a driver's Based Intelligent Control broadcast system of studio, playback equipment 17 can directly receive the signal of physical equipment 13 outputs and broadcast.
Need to prove that some physical equipment (for example lamp light control system, sound equipment control system etc.) 13 in the what comes into a driver's Based Intelligent Control broadcast system of studio can be used for directly linking to each other with playback equipment, just mean that also the physical equipment 13 for output studio signal directly links to each other with playback equipment 17, broadcast then, even the playback equipment in the present embodiment 17 can be integrated in the physical equipment 13.
By the embodiment of the invention one described what comes into a driver's Based Intelligent Control broadcast system that can be applicable in the studio, realized the centralized control to many physical equipments, and to the unified scheduling that the studio what comes into a driver's broadcasts, overcome the problem that the playing efficiency that is caused by manual control in the prior art is low and broadcast makes mistakes easily; The scheme of the embodiment of the invention one also can be simultaneously to many physical equipments of operation respectively sending controling instruction carry out the output of studio signal and broadcast by playback equipment, effectively reduce the complicated operation degree of studio what comes into a driver's when broadcasting.In addition, resource memory device in the what comes into a driver's Based Intelligent Control broadcast system of studio can be stored a large amount of resource files, alleviate the storage pressure of integrated control system, simultaneously, utilized optional external control appliance can realize Long-distance Control to studio what comes into a driver's Based Intelligent Control broadcast system.
Embodiment two:
The embodiment of the invention two is detailed descriptions of integrated control system 11 in the structure of the embodiment of the invention one, need to prove, present embodiment two is a kind of implementations of the integrated control system 11 among the embodiment one, present embodiment also is not limited to the function that other structures realize integrated control system 11, for example: each module among the described embodiment two is integrated, become the integrated control system 11 with the every function that relates among the embodiment two, perhaps, will be that part of module among the embodiment two such as integrates at multiple structure.
As shown in Figure 2, structural representation for integrated control system among the present invention 11, this integrated control system 11 is divided into following module: access module 21, device parses module 22, device management module 23, equipment scheme module 24, control centre's module 25 and switching parsing module 26 are described respectively below.
Described access module 21 is used for and physical equipment 13 inserts consolidated networks, and this access module 21 can be the external network access port of integrated control system 11.
Described device parses module 22 has the function of two aspects, and on the one hand, device parses module 22 can determine that can physical equipment become the physical equipment 13 that can control in the what comes into a driver's Based Intelligent Control broadcast system of studio according to the device type that self can identify; On the other hand, because the form of the instruction set file that dissimilar physical equipments can provide is not quite similar, so equipment device parses module 22 is at the device type that can identify, be the form that described control centre module 25 can be identified with the instruction set document analysis of device type correspondence.
Device management module 23 can obtain the instruction set behind the format analysis from device parses module 22, and the physical equipment 13 to identifying in the what comes into a driver's Based Intelligent Control broadcast system of studio, generates the required device resource of the described physical equipment of control.
Need to prove, if comprised resource memory device 14 in the what comes into a driver's Based Intelligent Control broadcast system in the present embodiment, then device management module 12 can also be stored to device resource resource memory device 14, and when device resource changes, obtain and change the device resource of storage in the resource memory device 14.
Equipment scheme module 24 is used for determining the required physical equipment 13 of output studio signal, and concrete implementation is:
Equipment scheme module 24 is obtained from device management module 23 or resource memory device 14 and physical equipment corresponding device resource, and carries out following operation according to current program to be played:
According to current program to be played and the corresponding relation of device resource and physical equipment, select one group of (at least one) device resource to form a device resource group, each device resource corresponding physical equipment is the physical equipment that can carry out described current program to be played in this device resource group.
For example: current program to be played is that section is broadcast news at a time, equipment scheme module 24 is broadcast the device resource group that this program of news determines according to section at a time: device identification 001,002 and 003 device resource, indication equipment sign 001,002 and 003 corresponding physical equipment can be used for playing news.
Control centre's module 25 can be obtained the device resource group of the execution program that equipment scheme module 24 determines, and generates the program Series Sheet according to the information that this device resource group comprises.
Operation below control centre's module 25 main execution:
The network that control centre's module 25 is used for passing through to insert is to physical equipment 13 sending controling instructions of determining.
Control centre's module 25 also is used for generating the program Series Sheet, and the program Series Sheet is stored as the programme resource, more preferably, the programme resource can also be stored to resource memory device 14.
The device resource group all devices sign that control centre's module 25 also is used for determining according to equipment scheme module 24 obtains device resource from resource memory device 14, and when basis generates the program Series Sheet at the device resource group, fill in the required growth data item of execution command.
Control centre's module 25 also is used for sending switching command to switching parsing module 26.
Control centre's module 25 also is used for receiving the remote signal that optional external control appliance 15 sends, or after the control signal that sends of the input interface that receives the user and provide by control centre's module, carry out following one or more operations according to the remote signal that receives or described control signal: generate, upgrade the programme resource, according to described remote signal to physical equipment 13 sending controling instructions, according to described remote signal to switching the switching command that parsing module 26 sends.
Switch parsing module 26, be used for the switching command that control centre's module 25 sends is forwarded to switching device 16, because production firm's difference of switching device 16 and the model difference of switching device, the control command form that can identify between the available switching device in the what comes into a driver's Based Intelligent Control broadcast system of studio is also different, can both use in the present embodiment in order to make dissimilar switching devices, therefore, described switching parsing module 26 provides and converts switching command to switching command form that multiple switching device (kind of switching device can be expanded) can be identified, and after receiving the switching command that control centre's module 25 sends, be converted to the switching command that receives behind the form that switching device 16 can identify and send.
The embodiment of the invention two has been introduced the detailed construction of integrated control system inside, how and the cooperation relation between the resource memory device in the external world, physical equipment, optional external control appliance, switching device integrated control system has been described, be specifying embodiment one.
Embodiment three:
The embodiment of the invention three is detailed descriptions of the control centre's module 25 in the embodiment of the invention two.Need to prove, present embodiment three is a kind of implementations of the control centre's module 25 among the embodiment two, present embodiment also is not limited to the function that other structures realize control centre's module 25, for example: each submodule among the described embodiment three is integrated, become the control centre's module with the every function that relates among the embodiment three, perhaps, will be that parton module among the embodiment three such as integrates at multiple structure.
As shown in Figure 3, structural representation for control centre's module 25 among the present invention, this control centre's module is divided into following submodule: expanded editing submodule 31, hot key editor submodule 32, the integrated layout submodule 33 of programme, switching editor submodule 34, external control signal receive feedback submodule 35, control signal triggers submodule 36, task smart allocation submodule 37, task transmission submodule 38 and switching controls submodule 39, are respectively described below:
Expanded editing submodule 31, be used to the integrated layout submodule 33 of programme that expanded editing is provided, comprise: the device resource group of determining according to equipment scheme module 24, each physical equipment selection instruction for correspondence, and (instruction has corresponding growth data item just to edit this growth data item to edit the corresponding growth data item that can revise of this instruction, if do not have, then do not edit the growth data item).The instruction of selecting for light units as: expanded editing submodule 31 is the instruction that requires the light rotation, can fill in the angle of rotation and number of repetition etc. in the growth data item of this rotate instruction correspondence.
Hot key editor submodule 32 is used to the integrated layout submodule 33 of programme that the hot key editor is provided (i.e. key control operation).
The integrated layout submodule 33 of programme, be used for generating the program Series Sheet, the editting function of the instruction that relates in the described program Series Sheet and the growth data item of instruction is by expanded editing submodule 31 auxiliary finishing, and the hot key editting function that relates in the described program Series Sheet is by hot key editor submodule 32 auxiliary finishing.
The integrated layout submodule 33 of programme can be stored as the programme resource with the program Series Sheet that generates in this locality, more preferably, described program Series Sheet also can be stored to resource memory device 14.
Can also comprise switching command in the described program Series Sheet, can be by switching editor's submodule 34 auxiliary finishing at the editting function of switching command.
Switch editor's submodule 34, be used for editor's handover scheme, namely determine the input port of switching device and the corresponding relation of output port.
The integrated layout submodule of programme 33 can be integrated in the switching command that generates in the program Series Sheet after obtaining to switch the corresponding relation that editor's submodules 34 determine at the input port of switching device 16 and output port.
External control signal receives feedback submodule 35, be used for receiving the remote signal from optional external control appliance 15, remote signal is delivered to task smart allocation submodule 37, simultaneously, can also return feedback message to optional external control appliance 15, represent that whether described remote signal is by the information such as result after correctly receiving, whether being performed and having carried out.
Control signal triggers submodule 36, and being used for provides input interface to the external world, and receives the various control signals that the user sends by this input interface, and this control signal is sent to task smart allocation submodule 37.
Task smart allocation submodule 37, be used for receiving remote signal and/or control signal, according to the program Series Sheet that obtains, determine the controll block in each clauses and subclauses in this program Series Sheet (controll block comprises at least one control command that physical equipment sign and this physical equipment need be carried out), and each clauses and subclauses is decomposed into the form of physical equipment sign+control command, namely be decomposed into the control command of each physical equipment, and the task that sends to sends submodule 38.
Described control command can be the control command at a plurality of physical equipments, and at a physical equipment many control commands can be arranged, therefore, task smart allocation submodule 37 can resolve into the control command that generates the control command at each physical equipment.
If also comprise switching command in the described program Series Sheet, task smart allocation submodule 37 sends submodule 38 with the switching command task that sends to.
Task sends submodule 38, is used for according to the control command from 37 acquisitions of task smart allocation submodule, to physical equipment 13 sending controling instructions.
Particularly, if the control command that task transmission submodule 38 receives is the control command that is decomposed at each physical equipment, then task sends submodule 38 and can successively each bar control command be sent to corresponding physical equipment 13.
Task sends submodule 38 and also is used for switching command is sent to switching controls submodule 39.
Switching controls submodule 39 be used for receiving send the switching command of submodule 38 from task after, switching command sent to switches parsing module 26.
Switching controls submodule 39 is a kind of switching command send mode in the present embodiment three according to the mode that sends the switching command that submodule 38 obtains from task, and under this mode, switching command sends by the program Series Sheet.Present embodiment three also is not limited to other switching command send mode, for example: when abnormal conditions appear in studio what comes into a driver's Based Intelligent Control broadcast system (when breaking down as some physical equipment that need use), switch editor's submodule 34 and can change at the input port of switching device and the corresponding relation of output port, and the corresponding relation after will changing sends to switching controls submodule 39 and carries out follow-up operation.
Present embodiment four:
The embodiment of the invention four also provides a kind of and embodiment one to embodiment three to belong to what comes into a driver's Based Intelligent Control broadcasting method under the same inventive concept, as shown in Figure 4, is the method flow diagram of the embodiment of the invention four, mainly comprises following step:
Step 101, integrated control system and at least one physical equipment insert consolidated network.
Step 102, integrated control system generate and each physical equipment corresponding equipment resource.
The specific implementation process of this step 102 is:
The first step, integrated control system resolve to unified format with the instruction set of each physical equipment;
Second step, integrated control system be according to the instruction set after resolving, and generates the device resource corresponding with each physical equipment and store.
Step 103, integrated control system are determined to carry out the required device resource group of this program according to current program to be played, and then definite device resource group corresponding physical equipment.
Step 104, integrated control system generate the program Series Sheet according to the device resource group of determining, and are stored as the programme resource.
Step 105, integrated control system are according to the connection parameter in the device resource corresponding with physical equipment, to the physical equipment sending controling instruction of determining.
Need to prove that the control command that integrated control system sends also can be to generate after the control signal that sends of the remote signal that sends according to optional external control appliance or the input interface that receives the user and provide by control centre's module.
Step 106, physical equipment are carried out the operation of this control command appointment after receiving the control command of integrated control system by the network transmission, and output studio signal.
In the implementation of embodiment four, integrated control system can generate switching command according to the needs of studio what comes into a driver's broadcast, and switching command is sent to switching device, specifically comprises:
Step 107, integrated control system send switching command to switching device.
Step 108, switching device receive the studio signal (for example vision signal) from physical equipment, and according to the switching command that receives the studio signal from physical equipment are changed output.
Step 109, playback equipment receive the studio signal and broadcast.
In the scheme of the embodiment of the invention four, also be not limited to the action that each parts is carried out among the embodiment one to embodiment three.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.