CN107580189A - Information carrying means, system and information transferring method - Google Patents
Information carrying means, system and information transferring method Download PDFInfo
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- CN107580189A CN107580189A CN201710784444.2A CN201710784444A CN107580189A CN 107580189 A CN107580189 A CN 107580189A CN 201710784444 A CN201710784444 A CN 201710784444A CN 107580189 A CN107580189 A CN 107580189A
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Abstract
The embodiment of the present invention provides a kind of information carrying means, system and information transferring method.The system includes text information services device, the CDR radio transmitting devices communicated to connect respectively with text information services device and information carrying means and the picture and text showing terminal with information carrying means communication connection.Information carrying means includes：The CDR modulated signals launched for receiving the graph text information data that CDR radio transmitting devices are sent according to text information services device, and CDR modulated signals are demodulated to obtain the CDR demodulation modules of corresponding target image, text and data；The USB interface for being transferred to picture and text showing terminal for the target image, text and data for handling to obtain by CDR demodulation modules and being shown is electrically connected with CDR demodulation modules.Based on above-mentioned design, information carrying means can be flexibly applied to various picture and text showing terminals, can not only realize the reception and broadcasting of audio, the reception and transmission of image, text and data can also be realized, and the display and broadcasting of image, text and data, using flexible, lift Consumer's Experience.
Description
Technical field
The present invention relates to technical field of information processing, is passed in particular to a kind of information carrying means, system and information
Transmission method.
Background technology
CDR is mainly used in digital audio broadcasting at present, therefore CDR receivers are all using radio as principal mode, will be connect
The compression audio-frequency information received is directly played or exported by built-in loudspeaker to external device (outside such as after carrying out decoding amplification
Put loudspeaker or earphone) play out.Because the appearance form of CDR receivers is mainly radio, exports as audio signal, make
Use underaction.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of information carrying means, it is
System and information transferring method, can not only realize the reception and broadcasting of audio, can also realize the reception and transmission of image, text and data,
And the display and broadcasting of image, text and data, using flexible, lift Consumer's Experience.
To achieve these goals, the technical scheme that present pre-ferred embodiments use is as follows：
Present pre-ferred embodiments provide a kind of information carrying means, applied to the information transmission system, described information transmission
What system communicated to connect with the text information services device and described information transmitting device including text information services device, respectively
CDR radio transmitting devices and the picture and text showing terminal with the communication connection of described information transmitting device, described information transmitting device
Including：
Sent out for receiving the graph text information data that the CDR radio transmitting devices are sent according to the text information services device
The CDR modulated signals penetrated, and the CDR modulated signals are demodulated and demodulated with obtaining the CDR of corresponding target image, text and data
Module；
The target image, text and data for handling to obtain the CDR demodulation modules is electrically connected with the CDR demodulation modules
It is transferred to the USB interface that the picture and text showing terminal is shown.
In present pre-ferred embodiments, the CDR demodulation modules include：
For being demodulated to the CDR modulated signals received aligning is solved to obtain the CDR of corresponding target image, text and data
Piece；And
It is electrically connected with the CDR demodulation chips, and is electrically connected with the USB interface, for obtained mesh will to be handled
Mark image, text and data is sent to the microcontroller of the picture and text showing terminal by the USB interface.
In present pre-ferred embodiments, the microcontroller is electrically connected by USB PHY chips and the USB interface
Connect, the microcontroller includes：
First data-interface, processor, memory and the second data-interface, USB control moulds are built-in with the processor
Block, the input of the microcontroller are electrically connected by first data-interface with the CDR demodulation chips, the microcontroller
The output end of device electrically connects with the USB interface, and the processor is electric with first data-interface and the memory respectively
Property connection, handle the data of output for receiving the CDR demodulation chips by first data-interface that will receive
In memory described in data Cun Chudao, and the data received are handled, then handled by the USB PHY chips
Export to the USB interface.
In present pre-ferred embodiments, the microcontroller is electrically connected by USB PHY chips and the USB interface
Connect, the microcontroller includes：
First data-interface, processor and memory, USB control modules, the microcontroller are built-in with the processor
The input of device is electrically connected by first data-interface with the CDR demodulation chips, the output end of the microcontroller with
The USB interface electrical connection, the processor is electrically connected with the data-interface and the memory respectively, for passing through
State storage described in the data Cun Chudao that the first data-interface receives the data of CDR demodulation chips processing output to receive
In device, and the data received are handled, then output is handled to the USB interface by the USB PHY chips.
In present pre-ferred embodiments, the microcontroller is connected by USB module with the USB interface, the USB
Include USB PHY chips in module, the microcontroller includes：
First data-interface, processor, memory and the second data-interface, the input of the microcontroller pass through described
First data-interface electrically connects with the CDR demodulation chips, and the output end of the microcontroller electrically connects with the USB interface,
The processor is electrically connected with first data-interface and the memory respectively, for passing through first data-interface
In memory described in the data Cun Chudao for receiving the data of CDR demodulation chips processing output to receive, and to described
The data received are handled, then handle output to the USB module by second data-interface.
In present pre-ferred embodiments, the microcontroller includes：
First data-interface, processor, memory and USB module, the USB module are electrically connected with the USB interface,
The input of the microcontroller is electrically connected by first data-interface with the CDR demodulation chips, the microcontroller
Output end electrically connected with the USB module, the processor is electrical with first data-interface and the memory respectively
Connection, number of the data of output that will receive is handled for receiving the CDR demodulation chips by first data-interface
Handle into the memory, and to the data received according to storage, then exported by the USB module to described
USB interface.
Present pre-ferred embodiments also provide a kind of information transmission system, and described information Transmission system takes including graph text information
Business device, CDR radio transmitting devices, picture and text showing terminal and above-mentioned information carrying means；
The text information services device communicates to connect with the CDR radio transmitting devices, for picture and text to be sent to be believed
Breath data are packaged and the graph text information data after encapsulation are sent into the CDR radio transmitting devices；
The CDR radio transmitting devices and described information transmitting device are communicated to connect for by the picture and text of the encapsulation received
Information data carries out handling CDR modulated signals corresponding to backward described information transmitting device transmitting；
Described information transmitting device is communicated to connect for being solved to the CDR modulated signals with the picture and text showing terminal
Adjust to obtain corresponding target image, text and data, and the target image, text and data is sent to the picture and text showing terminal and shown
Show.
Present pre-ferred embodiments also provide a kind of information transferring method, described applied to the above-mentioned information transmission system
Method includes：
Graph text information data to be sent are packaged by text information services device, and by the graph text information data after encapsulation
It is sent to the CDR radio transmitting devices；
The CDR radio transmitting devices carry out the graph text information data of the encapsulation received to handle backward described information biography
CDR modulated signals corresponding to defeated device transmitting；
Described information transmitting device is demodulated to the CDR modulated signals to obtain corresponding target image, text and data, and
The target image, text and data is sent into the picture and text showing terminal to be shown.
In terms of existing technologies, the invention has the advantages that：
Information carrying means, system and information transferring method provided in an embodiment of the present invention, information carrying means pass through CDR
The CDR modulated signals that demodulation module is launched the CDR radio transmitting devices received are demodulated to obtain corresponding target figure
Literary data, and target image, text and data transmission is transferred to picture and text showing terminal by USB interface and shown.Information transfer
Device can be flexibly applied to various picture and text showing terminals, can not only realize the reception and broadcasting of audio, can also realize figure
The reception and transmission of literary data, and the display and broadcasting of image, text and data, using flexible, lift Consumer's Experience.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of structured flowchart for the information transmission system that present pre-ferred embodiments provide；
Fig. 2 is a kind of structured flowchart of the information carrying means shown in Fig. 1；
Fig. 3 is another structured flowchart of the information carrying means shown in Fig. 1；
Fig. 4 is another structured flowchart of the information carrying means shown in Fig. 1；
Fig. 5 is another structured flowchart of the information carrying means shown in Fig. 1；
Fig. 6 is another structured flowchart of the information carrying means shown in Fig. 1；
Fig. 7 is a kind of structured flowchart of the CDR radio transmitting devices shown in Fig. 1；
Fig. 8 is a kind of schematic flow sheet for the information transferring method that present pre-ferred embodiments provide.
Icon：The 10- information transmission systems；100- information carrying means；110-CDR demodulation modules；112-CDR solves aligning
Piece；114- microcontrollers；The data-interfaces of 1141- first；1142- processors；1143- memories；115-USB PHY chips；
1144-USB control modules；The data-interfaces of 1146- second；120-USB modules；130-USB interfaces；200- text information services
Device；300-CDR radio transmitting devices；310-CDR multiplexers；320-CDR drivers；330-CDR emitters；400- picture and text showings
Terminal.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " connection " should
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body implication.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting
Feature in embodiment and embodiment can be mutually combined.
A kind of referring to Fig. 1, structured flowchart of the information transmission system 10 provided for present pre-ferred embodiments.This implementation
In example, described information Transmission system 10 can include information carrying means 100, text information services device 200, CDR broadcast transmissions
Device 300 and picture and text showing terminal 400.The text information services device 200 communicates with the CDR radio transmitting devices 300
Connection, for being packaged graph text information data to be sent and the graph text information data after encapsulation being sent into the CDR
Radio transmitting device 300.The CDR radio transmitting devices 300 are communicated to connect for that will receive with described information transmitting device 100
To encapsulation graph text information data handle backward described information transmitting device 100 launch corresponding to CDR modulated signals, institute
State information carrying means 100 and the picture and text showing terminal 400 communicate to connect for the CDR modulated signals are demodulated with
Target image, text and data corresponding to obtaining, and the target image, text and data is sent to the picture and text showing terminal 400 and shown.
In detail, referring to Fig. 2, described information transmitting device 100 can include CDR demodulation modules 110 and with it is described
The usb 1 30 that CDR demodulation modules 110 are electrically connected with.Specifically, the CDR demodulation modules 110 receive the CDR broadcast hair
The CDR modulated signals that the graph text information data that injection device 300 is sent according to the text information services device 200 are launched, and to institute
State CDR modulated signals to be demodulated to obtain corresponding target image, text and data, and the target image, text and data is passed through into the USB
Interface 130 is transferred to the picture and text showing terminal 400 and shown.
Wherein, the picture and text showing terminal 400 can be smart mobile phone, computer, tablet personal computer, advertisement machine or billboard,
Can also be the terminal devices such as TV, set top box, car-mounted terminal.Computer can include PC (personal computer) computer
And notebook computer.Client is installed in picture and text showing terminal 400, the client can be that browser can also be third party
Application software.The picture and text showing terminal 400 receives the target image, text and data that the usb 1 30 transmits, to the target figure
Literary data carry out corresponding show on the display screen after carrying out respective handling.
As a kind of embodiment, referring to Fig. 3, the CDR demodulation modules 110 can include CDR demodulation chips 112 with
And the microcontroller 114 being electrically connected with the CDR demodulation chips 112.Specifically, the CDR demodulation chips 112 are used to dock
The CDR modulated signals received are demodulated to obtain corresponding target image, text and data, and the microcontroller 114 is used to handle
To target image, text and data the picture and text showing terminal 400 is sent to by the usb 1 30.
As a kind of embodiment, further referring to Fig. 4, the microcontroller 114 includes：
First data-interface 1141, processor 1142, memory 1143 and USB module 120, the USB module 120 and institute
State usb 1 30 to be electrically connected with, the input of the microcontroller 114 passes through first data-interface 1141 and the CDR
Demodulation chip 112 electrically connects, and the output end of the microcontroller 114 electrically connects with the USB module 120, the processor
1142 are electrically connected with first data-interface 1141 and the memory 1143 respectively, for being connect by first data
Memory described in mouthfuls 1141 data Cun Chudao for receiving the data of the processing of CDR demodulation chips 112 output to receive
In 1143, and the data received are handled, then exported by the USB module 120 to the usb 1 30.
Alternatively, the processor 1142 can be a kind of IC chip, have the disposal ability of signal.Above-mentioned
Processor 1142 can be at general processor, including central processing unit (Central Processing Unit, CPU), network
Manage device (Network Processor, NP), embedded-type ARM (Advanced RISC Machines) processor etc..It can also be
Digital demodulator (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic devices
Part, discrete gate or transistor logic, discrete hardware components.General processor can be microprocessor or can also be
Any conventional processors etc..
Alternatively, the memory 1143 may include high speed random access memory, may also include nonvolatile memory, such as one
Individual or multiple magnetic storage devices, flash memory or other non-volatile solid state memories 1143.
Alternatively, referring to Fig. 5, the microcontroller 114 can also pass through USB PHY chips 115 and the USB interface
130 are electrically connected with, and in the present embodiment, the microcontroller 114 can include the first data-interface 1141, processor 1142
With memory 1143, USB control modules 1144 are built-in with the processor 1142, the input of the microcontroller 114 leads to
Cross first data-interface 1141 to electrically connect with the CDR demodulation chips 112, the output end of the microcontroller 114 and institute
Usb 1 30 to be stated to electrically connect, the processor 1142 is electrically connected with the data-interface and the memory 1143 respectively,
The data of output are handled that will receive for receiving the CDR demodulation chips 112 by first data-interface 1141
In memory 1143 described in data Cun Chudao, and the data received are handled, then pass through the USB PHY chips
115 processing are exported to the usb 1 30.
Alternatively, referring to Fig. 6, the microcontroller 114 can also directly pass through USB module 120 and the USB interface
130 connections, wherein, include USB PHY chips 115 in the USB module 120.In the present embodiment, the microcontroller
114 can include the first data-interface 1141, processor 1142, the data-interface 1146 of memory 1143 and second, the micro-control
The input of device 114 processed is electrically connected by first data-interface 1141 with the CDR demodulation chips 112, the microcontroller
The output end of device 114 electrically connects with the usb 1 30, the processor 1142 respectively with first data-interface 1141
It is electrically connected with the memory 1143, for being received by first data-interface 1141 at the CDR demodulation chips 112
The data of output are managed with memory 1143 described in the data Cun Chudao that will receive, and to the data received at
Reason, then output is handled to the USB module 120 by second data-interface 1146.Alternatively, second data-interface
1146 can use SPI interface or UART interface.
It should be noted that one piece of ethernet nic includes two layers of OSI (interconnection of evolution system) model.Physical layer and
Data link layer.Physical layer defines data transmission with receiving required electricity and optical signal, line status, clock reference, number
Standard interface is provided according to coding and circuit etc., and to data link layer device.Data link layer then provides addressing mechanism, data frame
Structure, data error inspection, transmission control, the function such as data-interface that standard is provided to Internet.Data in Ethernet card
The chip of link layer is typically simply referred to as mac controller, and the chip of physical layer is simply referred to as PHY.MAC(Media Access
Control) it is media access controller.PHY (Physical) is physical interface transceiver.
The usb 1 30 can also receive passback/control data of picture and text showing terminal 400, and pass through microcontroller
Transfer after 114 processing, is controlled by the first data-interface 1141 to CDR demodulation chips 112, selects CDR demodulation chips 112
Receives frequency, carry out parameter regulation etc..Picture and text showing terminal 400 can be also used for the server sent according to graph text information
Communication protocol reduces to data, is reduced to picture file, text information, audio file, the video file of transmission, further according to
The control information (beginning and ending time of broadcasting, the font of word, size, display location etc.) of transmission display and is broadcast corresponding to carrying out
Put.Realized with this and carried out by the usb 1 30 and picture and text showing terminal 400 such as mobile phone, tablet personal computer, advertisement machine
Connection.Picture and text showing terminal 400 carries out corresponding processing as needed after receiving data, such as carries out software decoding and audio is broadcast
Put, picture character and other information are shown, the function such as video playback.
Further, referring to Fig. 5, the CDR radio transmitting devices 300 can include CDR multiplexers 310, CDR is encouraged
Device 320 and CDR emitters 330.The graph text information data progress data that the CDR multiplexers 310 are used for the encapsulation are answered
To the data-signal after being multiplexed, the CDR drivers 320 are used to after being demodulated the data-signal after multiplexing pass through
The CDR emitters 330 are launched corresponding CDR modulated signals.
More specifically, the CDR multiplexers 310 respectively with the text information services device 200 and the CDR drivers
320 pass through network connection.The CDR drivers 320 electrically connect with the CDR emitters 330.The CDR multiplexers 310 are used for
The graph text information data that the text information services device 200 is sent are received, and frame format is multiplexed to the graph text information according to CDR
Data are packed and the multiplexed frame picture and text digital information after packing are sent into the CDR drivers 320.The CDR excitations
Device 320 is used to carry out channel coding according to default consensus standard, and the multiplexed frame picture and text digital information is modulated simultaneously
Picture and text analog signal after modulation is sent to the CDR emitters 330.The CDR emitters 330 are used for the figure after modulation
Literary analog signal carries out gain and is amplified to predetermined power, and corresponding CDR modulated signals are launched.
Alternatively, the CDR multiplexers 310 are logical with the text information services device 200, the CDR drivers 320 respectively
Cross cable network or wireless network connection.The CDR drivers 320 are electrically connected with the CDR emitters 330 by cable.
Alternatively, the CDR multiplexers 310 can be carried out using fpga chip (a kind of PLD) processing and
The equipment of design.In the present embodiment, the model of CDR multiplexers 310 can be NDS3107D.
Alternatively, the CDR drivers 320 can be modulated place using fpga chip (a kind of PLD)
The equipment of reason and high-speed DAC (carry out Digital Up Convert and to radio frequency and carry out digital-to-analogue conversion output).Fpga chip can use
The fpga chip of the major company's different series of ALTERA, XILINX two.In the present embodiment, the model of CDR drivers 320 can be
NDS2407。
Alternatively, the CDR emitters 330 can be amplified output (specific different outputs using high-power power amplification tube
The power tube that power uses is different) equipment.In the present embodiment, the model of CDR emitters 330 can be DFT-7312/
The emitter of 7313/7314 series.
As a kind of embodiment, the default consensus standard is GY/T268.1 consensus standard.The predetermined power
Scope be tens watts to 10 kilowatts.
For example, predetermined power can be 5 kilowatts, the CDR emitters 330 can enter the picture and text analog signal after modulation
Row gain is amplified to 5 kilowatts, with CDR modulated signals corresponding to transmitting.
Further, referring to Fig. 6, present pre-ferred embodiments also provide a kind of information transferring method, methods described by
The above-mentioned information transmission system 10 performs.It should be noted that information transferring method provided in an embodiment of the present invention not with Fig. 6 and
Particular order as described below is limitation.The idiographic flow of methods described is as follows：
Graph text information data to be sent are packaged by step S110, text information services device 200, and by after encapsulation
Graph text information data are sent to the CDR radio transmitting devices 300.
Step S120, after the CDR radio transmitting devices 300 are handled the graph text information data of the encapsulation received
Launch corresponding CDR modulated signals to described information transmitting device 100.
Specifically, in the present embodiment, the CDR radio transmitting devices 300 are first to the graph text information number of the encapsulation
According to data-reusing is carried out, the data-signal after being multiplexed, then the data-signal after the multiplexing is demodulated to obtain
Corresponding CDR modulated signals, and corresponding CDR modulated signals are transmitted to described information transmitting device 100.
Step S130, described information transmitting device 100 are demodulated to the CDR modulated signals to obtain corresponding target
Image, text and data, and the target image, text and data is sent to the picture and text showing terminal 400 and shown.
Alternatively, after being demodulated to the CDR modulated signals to obtain corresponding target image, text and data, described information
The target image, text and data can be sent to the picture and text showing terminal 400 by way of USB transmission and entered by transmitting device 100
Row display.
In summary, information carrying means 100, system and information transferring method provided in an embodiment of the present invention, information pass
The CDR modulated signals that defeated device 100 is launched the CDR radio transmitting devices 300 received by CDR demodulation modules 110 are carried out
The target image, text and data is transmitted to obtain corresponding target image, text and data and is transferred to picture and text by usb 1 30 by demodulation
Display terminal 400 is shown.Information carrying means 100 can be flexibly applied to various picture and text showing terminals 400, not only can be with
The reception and broadcasting of audio are realized, the reception and transmission of image, text and data, and the display and broadcasting of image, text and data can also be realized,
Using flexible, lift Consumer's Experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of information carrying means, applied to the information transmission system, it is characterised in that described information Transmission system includes picture and text
Information server, the CDR broadcast transmissions communicated to connect respectively with the text information services device and described information transmitting device fill
Put and the picture and text showing terminal with the communication connection of described information transmitting device, described information transmitting device include：
Launch for receiving the graph text information data that the CDR radio transmitting devices are sent according to the text information services device
CDR modulated signals, and the CDR modulated signals are demodulated to obtain the CDR demodulation modules of corresponding target image, text and data；
It is electrically connected with the CDR demodulation modules and is transmitted for the target image, text and data for handling to obtain by the CDR demodulation modules
The USB interface shown to the picture and text showing terminal.
2. information carrying means according to claim 1, it is characterised in that the CDR demodulation modules include：
For being demodulated to the CDR modulated signals received with the CDR demodulation chips of target image, text and data corresponding to obtaining；With
And
It is electrically connected with the CDR demodulation chips, and is electrically connected with the USB interface, for obtained target figure will to be handled
Literary data are sent to the microcontroller of the picture and text showing terminal by the USB interface.
3. information carrying means according to claim 2, it is characterised in that the microcontroller passes through USB PHY chips
It is electrically connected with the USB interface, the microcontroller includes：
First data-interface, processor and memory, USB control modules are built-in with the processor, the microcontroller
Input is electrically connected by first data-interface with the CDR demodulation chips, the output end of the microcontroller with it is described
USB interface is electrically connected, and the processor is electrically connected with the data-interface and the memory respectively, for passing through described the
Memory described in the data Cun Chudao that one data-interface receives the data of CDR demodulation chips processing output to receive
In, and the data received are handled, then output is handled to the USB interface by the USB PHY chips.
4. information carrying means according to claim 2, it is characterised in that the microcontroller passes through USB module and institute
USB interface connection is stated, includes USB PHY chips in the USB module, the microcontroller includes：
First data-interface, processor, memory and the second data-interface, the input of the microcontroller pass through described first
Data-interface electrically connects with the CDR demodulation chips, and the output end of the microcontroller electrically connects with the USB interface, described
Processor is electrically connected with first data-interface and the memory respectively, for being received by first data-interface
The data of CDR demodulation chips processing output are with memory described in the data Cun Chudao that will receive, and to the reception
To data handled, then pass through second data-interface processing output to the USB module.
5. information carrying means according to claim 2, it is characterised in that the microcontroller includes：
First data-interface, processor, memory and USB module, the USB module is electrically connected with the USB interface, described
The input of microcontroller is electrically connected by first data-interface with the CDR demodulation chips, the microcontroller it is defeated
Going out end to electrically connect with the USB module, the processor is electrically connected with first data-interface and the memory respectively,
Data storage of the data of output that will receive is handled for receiving the CDR demodulation chips by first data-interface
Handled into the memory, and to the data received, then exported to the USB and connect by the USB module
Mouthful.
6. a kind of information transmission system, it is characterised in that described information Transmission system includes text information services device, CDR is broadcasted
Information carrying means in emitter, picture and text showing terminal and claim 1-5 described in any one；
The text information services device and the CDR radio transmitting devices communicate to connect, for by graph text information number to be sent
According to being packaged and the graph text information data after encapsulation be sent into the CDR radio transmitting devices；
The CDR radio transmitting devices and described information transmitting device are communicated to connect for by the graph text information of the encapsulation received
Data carry out handling CDR modulated signals corresponding to backward described information transmitting device transmitting；
Described information transmitting device and the picture and text showing terminal communicate to connect for the CDR modulated signals are demodulated with
Target image, text and data corresponding to obtaining, and the target image, text and data is sent to the picture and text showing terminal and shown.
7. the information transmission system according to claim 6, it is characterised in that the CDR radio transmitting devices are answered including CDR
With device, the CDR drivers being electrically connected with the CDR multiplexers and the CDR transmittings being electrically connected with the CDR multiplexers
Machine；
The CDR multiplexers are used to believe the graph text information data progress data-reusing of the encapsulation with the data after being multiplexed
Number, the CDR drivers are used for corresponding CDR after being demodulated to the data-signal after multiplexing by the CDR emitters
Modulated signal is launched.
8. a kind of information transferring method, applied to the information transmission system any one of claim 6-7, its feature exists
In methods described includes：
Graph text information data to be sent are packaged by text information services device, and the graph text information data after encapsulation are sent
To the CDR radio transmitting devices；
The CDR radio transmitting devices carry out the graph text information data of the encapsulation received to handle backward described information transmission dress
Put CDR modulated signals corresponding to transmitting；
Described information transmitting device is demodulated to the CDR modulated signals with target image, text and data corresponding to obtaining, and by institute
State target image, text and data and be sent to the picture and text showing terminal and shown.
9. information transferring method according to claim 8, it is characterised in that the CDR radio transmitting devices will receive
The graph text information data of encapsulation the step of handle CDR modulated signals corresponding to backward described information transmitting device transmitting,
Including：
Data-reusing, the data-signal after being multiplexed are carried out to the graph text information data of the encapsulation；
Data-signal after the multiplexing is demodulated to obtain corresponding CDR modulated signals, and corresponding CDR is modulated and believed
Number it is transmitted to described information transmitting device.
10. information transferring method according to claim 8, it is characterised in that described information transmitting device is adjusted to the CDR
Signal processed is demodulated to obtain corresponding target image, text and data, and the target image, text and data is sent into the picture and text showing
The mode that terminal is shown, including：
The CDR modulated signals are received and handled to obtain corresponding target image, text and data, and the side for passing through USB transmission
The target image, text and data is sent to the picture and text showing terminal and shown by formula.
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Application publication date: 20180112 |