CN103593149A - Printing method for achieving ARINC 744A-1 standard based on Ethernet and printing conversion device - Google Patents
Printing method for achieving ARINC 744A-1 standard based on Ethernet and printing conversion device Download PDFInfo
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- CN103593149A CN103593149A CN201310589349.9A CN201310589349A CN103593149A CN 103593149 A CN103593149 A CN 103593149A CN 201310589349 A CN201310589349 A CN 201310589349A CN 103593149 A CN103593149 A CN 103593149A
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Abstract
The invention provides a printing method for achieving the ARINC 744A-1 standard based on the Ethernet. The printing method includes the steps that a printing file sent by an avionic system is received through a 429 bus; the printing file is converted into a file format which can be recognized by a printer; the converted printing file is sent to the printer. The invention further provides a printing conversion device. According to the printing method for achieving the ARINC 744A-1 standard based on the Ethernet and the printing conversion device, the printing file of the avionic system based on the 429 bus can be converted into data with an Ethernet format, and then the printing file is printed by the Ethernet printer.
Description
Technical field
The present invention relates to a kind of Method of printing and device, relate in particular to a kind of Method of printing and printing conversion equipment that completes ARINC744A-1 standard based on Ethernet.
Background technology
At present, the printing technique of avionics system or be to be directly connected with the printer in driving cabin or main cabin based on 429 buses on aircraft, directly to be connected with the printer in driving cabin or main cabin based on Ethernet, with by driving or print accordingly the print out task of standard implementation text or figure.
Aviation printer comprises the Ethernet printer of following 429 bus protocols and following LPD/LPR agreement, in the aircraft of avionics system that adopts 429 buses, if adopt the printer of following 429 bus protocols to be connected with described avionics system, must adopt two independently 429 transfer bus carry out the transmission of data, if adopt two independently 429 buses carry out avionics system and be connected with printer, further can increase the weight of aircraft, if adopt the Ethernet printer of following LPD/LPR agreement, although not needing to increase independently 429 buses is connected with described avionics system, but, because 429 formatted data words of 429 bus transfer cannot be observed existing Data Transport Protocol and be printed, therefore, be badly in need of to want a kind of and the data of 429 forms can be converted to the method for following the data that the printer of LPD/LPR agreement can identify, need a kind of weight that can reduce aircraft also can make to adopt the avionics system of 429 buses to be connected with the printer of following LPD/LPR agreement, based on Ethernet, complete the method for ARINC744A-1 standard.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of Method of printing that completes ARINC744A-1 standard based on Ethernet, can be so that the avionics system based on 429 buses is realized printing technique with the Ethernet printer of following LPD/LPR.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of Method of printing that completes ARINC744A-1 standard based on Ethernet is provided, comprises: by 429 buses, receive the print file that avionics system sends; Print file are converted to the file layout that printer can be identified; Print file after conversion are sent to printer.
Wherein, described pass through step that 429 buses receive the print file that avionics systems send before, comprising: the duty of inquiry printer; Judge that whether printer is in normal operating conditions, if judgement obtains printer in normal operating conditions, inquire about the print file in described avionics system; Judge whether avionics system has print file, if judgement obtains avionics system, have print file, by 429 buses, receive the print file that described avionics system sends.
Wherein, described passing through, in step that 429 buses receive the print file that avionics systems send, comprising: by 429 buses, receive the type fount of print file that described avionics system sends, the data of the size information of type fount and print file.
Wherein, in print file being converted to the step of the file layout that printer can identify, comprising: the size information of the type fount of described file, type fount is converted to the type information sign that described printer can be identified; The data of print file are converted to text data and generate unique print file title.
Wherein, the print file after conversion are being sent in the step of printer, are comprising: sending print order file to described printer; Receive after the print order file feedback information of described printer, send control documents order to described printer, wherein, described control documents order is for being about to the title of the control documents of transmission; After receiving the control documents order feedback information of described printer, send control documents to described printer, described control documents comprises the filename of print file, the print format of print file, described print format is according to character print format; After receiving the control documents feedback information of described printer, send data file order to described printer; After receiving the data file order feedback information of described printer, send the data of printing print file to described printer.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of printing conversion equipment, comprising: the first receiver module, for receiving by 429 buses the print file that avionics system sends; Modular converter, for being converted to print file the file layout that printer can be identified; Transport module, for being sent to printer by the print file after conversion.
Wherein, also comprise: the first enquiry module, for inquiring about the duty of printer; The first judge module, for judging that whether printer is in normal duty; The second enquiry module, for obtaining described printer after normal operating conditions in the first judge module judgement, inquires about the print file in described avionics system; The second judge module, for judging whether avionics system has print file; Described the first receiver module, also, for when described the second judge module judges that obtaining described avionics system has print file, receives by 429 buses the print file that described avionics system sends.
Wherein, described the first receiver module also sends for receive described avionics system by 429 buses type fount, the size information of type fount and the data of print file.
Wherein, described modular converter is also for being converted to the size information of the type fount of described file, type fount the type information sign that described printer can identify and the data of print file being converted to text data and generating unique print file title.
Wherein, described transport module comprises: the first sending module, for sending print order file to described printer; The second receiver module, for receiving the print order file feedback information of described printer; The second sending module, for receiving at described the second receiver module after the print order file feedback information of described printer, sends control documents order to described printer, and wherein, described control documents order is for being about to the title of the control documents of transmission; The 3rd receiver module, for receiving the control documents order feedback information of described printer; The 3rd sending module, for receiving after the control documents order feedback information of described printer at described the 3rd receiver module, send control documents to described printer, described control documents comprises the filename of print file, the print format of print file, and described print format is according to character print format; The 4th receiver module, the control documents feedback information sending for receiving described printer; The 4th sending module, for receiving at described the 4th receiver module after the control documents feedback information of described printer transmission, sends the data of print file to described printer.
The invention has the beneficial effects as follows: the situation that is different from prior art, the Method of printing that completes ARINC744A-1 standard based on Ethernet of the present invention, owing to passing through converse routine and module, the print file of 429 forms that receive are converted to the print file of ethernet format, so that Ethernet printer can be printed the avionics system based on 429 buses, further make the aircraft of 429 buses not need to increase by 429 new buses, can realize printing technique, alleviated the weight of aircraft.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 the present invention is based on the process flow diagram that Ethernet completes Method of printing first embodiment of ARINC744A-1 standard;
Fig. 2 the present invention is based on Ethernet to complete the process flow diagram that sends the print file after conversion in Method of printing first embodiment of ARINC744A-1 standard to printer;
Fig. 3 the present invention is based on the process flow diagram that Ethernet completes Method of printing second embodiment of ARINC744A-1 standard;
Fig. 4 the present invention is based on the process flow diagram that Ethernet completes Method of printing the 3rd embodiment of ARINC744A-1 standard;
Fig. 5 is the block scheme that the present invention prints conversion equipment the first embodiment;
Fig. 6 is the block scheme that the present invention prints transport module in conversion equipment the first embodiment;
Fig. 7 is the block scheme that the present invention prints conversion equipment the second embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 the present invention is based on the process flow diagram that Ethernet completes Method of printing first embodiment of ARINC744A-1 standard.The Method of printing that the present embodiment completes ARINC744A-1 standard based on Ethernet comprises the following steps:
S101, the print file that send by 429 buses reception avionics systems;
In this step, described avionics system refers to Aerial Electronic Equipment or the client on aircraft, stores file to be printed on described avionics system, and user is by making described avionics system send print file to avionics system input print command; The print file that receive avionics system transmission by 429 buses refer to that the type fount of print file that receives described avionics system transmission by 429 buses is, the data of the size information of type fount and print file.
S102, print file are converted to the file layout that printer can be identified;
In this step, print file are converted to the file layout that printer can be identified, refer to that CTL1 in the print file based on 429 forms that avionics system is sent and CTL2 word have comprised the size information of type fount, type fount, wherein CTL1 word comprises font size, and CTL2 word comprises font information.Font and font size are converted to the type information sign (Header) that described printer can be identified, Header is set form size, for 14 bytes, form is " TXTVVV-X-Y-Z<cr>LEssT.LTssT.L Tlf> ", wherein font is represented by " X ", font size represents by " Y ", other all reserve.And the data of print file are converted to text data and generate unique print file title.Wherein, this type information sign is only for notifying the data of the ensuing print file of described printer to be printed as the size of which kind of font, font, and this type information sign can't be printed; Printmessage sign is positioned at the first trip of file.The text data of conversion is the content that printer need to be printed.
S103, by conversion after print file be sent to printer.
Refer to Fig. 2, this step comprises step by step following:
S1031, transmission print order file are to described printer;
S1032, receive after the print order file feedback information of described printer, send control documents order to described printer, wherein, the title that described control documents order is the control documents that is about to send;
S1033, after receiving the control documents order feedback information of described printer, sends control documents to described printer, and described control documents comprises the filename of print file, the print format of print file, and described print format is according to character print format;
S1034, after receiving the control documents feedback information of described printer, send data file order to described printer;
S1035, after receiving the data file order feedback information of described printer, send to print the data of print file to described printer.
The embodiment of the present invention, can be receive the print file of avionics system transmission by 429 buses after, convert print file to form that printer can be identified, again the print file after conversion are sent to printer by Ethernet, make the print file after conversion can follow LPD/LPR agreement and alleviated the use of using 429 buses, reached the own wt object that alleviates aircraft.
Refer to Fig. 2, Fig. 2 the present invention is based on the process flow diagram that Ethernet completes Method of printing second embodiment of ARINC744A-1 standard.The Method of printing that the present embodiment completes ARINC744A-1 standard based on Ethernet comprises the following steps:
The duty of S201, inquiry printer;
The duty of described printer comprises normal operating conditions and abnormal operating state, and described normal operating conditions refers to that each interface of printer or all parts, all in normal condition, can receive the normal condition of print file.
S202, judge that whether printer is in normal operating conditions, if judgement obtains printer in normal operating conditions, carry out step S203, if judgement obtains printer in abnormal operating state, proceed to step S208;
Print file in S203, inquiry avionics system;
S204, judge whether avionics system has print file, if judgement obtains avionics system, have print file, enter step S205, if avionics system does not have print file, proceed to step S208;
In this step, whether described avionics system has print file, refers to whether avionics system has soon typescripts, should be about to typescripts and can refer to the wait typescripts after the print command that has received user's input.
S205, by 429 buses, receive the print file that described avionics system sends;
S206, print file are converted to the file layout that printer can be identified;
In this step, print file are converted to the file layout that printer can be identified, refer to that CTL1 in the print file based on 429 forms that avionics system is sent and CTL2 word have comprised the size information of type fount, type fount, wherein CTL1 word comprises font size, and CTL2 word comprises font information.Font and font size are converted to the type information sign (Header) that described printer can be identified, Header is set form size, for 14 bytes, form is " TXTVVV-X-Y-Z<cr>LEssT.LTssT.L Tlf> ", wherein font is represented by " X ", font size represents by " Y ", other all reserve.And the data of print file are converted to text data and generate unique print file title.Wherein, this type information sign is only for notifying the data of the ensuing print file of described printer to be printed as the size of which kind of font, font, and this type information sign can't be printed; Printmessage sign is positioned at the first trip of file.The text data of conversion is the content that printer need to be printed.。
S207, by conversion after print file be sent to printer;
S208, end.
Refer to Fig. 3, Fig. 3 the present invention is based on the process flow diagram that Ethernet completes Method of printing the 3rd embodiment of ARINC744A-1 standard.The Method of printing that the present embodiment completes ARINC744A-1 standard in Ethernet comprises the following steps:
S301, by SNMP(Simple Network Management Protocol, Simple Network Management Protocol) duty of inquiry printer;
Whether the duty that S302, judgement inquire is in normal operating conditions;
If S303 judgement obtains described duty in normal operating conditions, send " ENQ " querying command to avionics system, to inquire about avionics system, whether there are print file; If judgement obtains described duty in abnormal operating state, do not send " ENQ " querying command to avionics system, proceed to S315 step;
In this step, periodically send " ENQ " querying command to avionics system.
S304, judge whether avionics system has print file;
In this step, when avionics system is when whether to reply " RTS " and Record Count Field territory be non-zero, judging avionics system has print file; If avionics system is not replied " RTS " or " RTS " that reply in Record Count Field territory be set to 0, show that avionics system is current to send without print job have print file if judgement obtains described avionics system, enter S305 step; If judgement obtains described avionics system, there is no print file, proceed to S315 step;
If S305 judgement obtains described avionics system, there are print file, " RTS " word of avionics system carried out to verification, if verification is correct, proceed to step S306;
S306, send " CTS " to avionics system, to represent that to avionics system current printer can receive follow-up print file in the given time;
" STX ", " CTL1 ", " CTL2 " and a plurality of " DATA " word and " ETX " or " EOT " word that S307, reception avionics system send;
In this step, described " STX " represents that avionics system starts transmission; Font and format information that " CTL1 " and " CTL2 " word has comprised printer; " DATA " word has comprised the data of knocking file down; " ETX " represents that the data transmission of current print file completes; " EOT " represents being transmitted of whole file.
S308, the data of the print file that receive are resolved and verification;
S309, judge whether that verification is correct, if verification is correct, proceed to S311 step, if verification failure enters S310 step;
S310, multiple " NAK " are to avionics system, wrong to represent current data, and proceed to S307 step to resend print file;
S311, reply " ACK " word are to avionics system, to represent that current data message is correctly received;
S312, judge whether to transfer all print file, if transfer all print file, enter S313 step; If do not transfer print file, proceed to S305 step, again to receive follow-up print file;
S313, the print file that are transmitted are converted to the form that printer can be identified; In " CTL1 " in the print file that are about to receive and " CTL2 " word, parse and print needed font and font size information, with structure type information sign, this type information sign is only for notifying the ensuing data of printer will be printed as which kind of font, font size.This type information sign is placed on the first row of the data of print file, and still, this type information sign can't be printed; Meanwhile, will in " DATA " word, parse the data of needed print file, for these data form a text, store, and generate a unique filename;
S314, by conversion after print file be sent to described printer;
This step comprises step by step following:
Send print order file to described printer;
Receive after the print order file feedback information of described printer, send control documents order to described printer, wherein, described control documents order is for being about to the title of the control documents of transmission;
After receiving the control documents order feedback information of described printer, send control documents to described printer, described control documents comprises the filename of print file, the print format of print file, described print format is according to character print format;
After receiving the control documents feedback information of described printer, send data file order to described printer;
After receiving the data file order feedback information of described printer, send the data of printing print file to described printer.
Receive the information that finishes receiving of printer feedback.
S315, end.
The embodiment of the present invention, owing to receiving the print file of avionics system based on 429 buses, and 429 buses realizations is text printing, the data volume of text printing is less, in receiving transfer process, can first all texts that need to print be received and resolve conversion complete, unification is sent to printer again, such benefit is to have reduced the communication tie-time with printer, once to prevent that current connection from makeing mistakes, can allow the other system on aircraft continue to print.
Refer to Fig. 5, Fig. 5 is the block scheme that the present invention prints conversion equipment the first embodiment.The printing conversion equipment of the present embodiment designs according to ARINC744A-1 standard, and described printing conversion equipment comprises:
The first receiver module 501, for receiving the print file that avionics system 40 sends by 429 buses;
Described avionics system 40 refers to Aerial Electronic Equipment or the client on aircraft, on described avionics system 40, stores file to be printed, and user is by making described avionics system 40 send print file to avionics system 40 input print commands; The print file that receive avionics system 40 transmissions by 429 buses refer to that the type fount of print file that receives described avionics system 40 transmissions by 429 buses is, the data of the size information of type fount and print file.
Print file are converted to the file layout that printer 60 can be identified, refer to the type fount of the print file based on 429 forms that avionics system 40 is sent, the size information of type fount is converted to the type information sign that described printer 60 can be identified, and the data of print file are converted to text data and generate unique print file title.Wherein, this type information sign is only for notifying the data of described printer 60 ensuing print file to be printed as the size of which kind of font, font, and this type information sign can't be printed; The text data of conversion is the content that printer need to be printed.
Wherein, refer to Fig. 6, described transport module 503 comprises:
The first sending module 5031, for sending print order file to described printer 60;
The second receiver module 5032, for receiving the print order file feedback information of described printer 60;
The second sending module 5033, for receiving after the print order file feedback information of described printer 60 at described the second receiver module 5032, send control documents order to described printer 60, wherein, described control documents order is for being about to the title of the control documents of transmission;
The 3rd receiver module 5034, for receiving the control documents order feedback information of described printer 60;
The 3rd sending module 5035, for receiving after the control documents order feedback information of described printer 60 at described the 3rd receiver module 5035, send control documents to described printer 60, described control documents comprises the filename of print file, the print format of print file, and described print format is according to character print format;
The 4th receiver module 5036, the control documents feedback information sending for receiving described printer 60;
The 4th sending module 5037, for receiving at described the 4th receiver module 5036 after the control documents feedback information of described printer transmission, sends the data of print file to described printer 60.
The embodiment of the present invention, printing conversion equipment can be after receiving the print file of avionics system transmission by 429 buses, convert print file to form that printer can be identified, again the print file after conversion are sent to printer by Ethernet, make the print file after conversion can follow LPD/LPR agreement, realized the object that 429 bus format data are printed by Ethernet.
Referring to Fig. 7, Fig. 7 is the block scheme that the present invention prints conversion equipment the second embodiment.The present invention prints conversion equipment and comprises and the first example structure or same or analogous the first receiver module of function, modular converter and transport module, also comprises:
The first enquiry module 601, for inquiring about the duty of printer;
The duty of described printer comprises normal operating conditions and abnormal operating state, described normal operating conditions refers to that each interface of printer or all parts are all in normal condition, can receive the normal condition of print file, in the present embodiment, described the first enquiry module goes to inquire about the duty of printer by snmp protocol.
The first judge module 602, for judging that whether printer is in normal duty;
The second enquiry module 603, for obtaining described printer after normal operating conditions in the first judge module judgement, inquires about the print file in described avionics system;
Particularly, by sending " ENQ " querying command to avionics system, to inquire about described avionics system, whether there are print file.
The second judge module 604, for judging whether avionics system has print file;
Particularly, when avionics system is when whether to reply " RTS " and Record Count Field territory be non-zero, judging avionics system has print file; If avionics system is not replied " RTS " or " RTS " that reply in Record Count Field territory be set to 0, show that avionics system is current to send without print job.
Described the first receiver module in the present embodiment, also, for when described the second judge module judges that obtaining described avionics system has print file, receives by 429 buses the print file that described avionics system sends.
The embodiment of the present invention, printed conversion equipment receive the print file of described avionics system transmission by 429 buses before, first inquire about the duty of printer, when printer is during in normal operating conditions, printing conversion equipment just notifies avionics system to perform the preparation of reception, so that after the reception and conversion of follow-up print file, print file can expeditely be sent to printer and print.
These are only embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. based on Ethernet, complete a Method of printing for ARINC744A-1 standard, comprising:
By 429 buses, receive the print file that avionics system sends;
Print file are converted to the file layout that printer can be identified;
Print file after conversion are sent to printer.
2. the Method of printing that completes ARINC744A-1 standard based on Ethernet as claimed in claim 1, is characterized in that, described pass through step that 429 buses receive the print file that avionics systems send before, comprising:
The duty of inquiry printer;
Judge that whether printer is in normal operating conditions, if judgement obtains printer in normal operating conditions, inquire about the print file in described avionics system;
Judge whether avionics system has print file, if judgement obtains avionics system, have print file, by 429 buses, receive the print file that described avionics system sends.
3. the Method of printing that completes ARINC744A-1 standard based on Ethernet as claimed in claim 2, it is characterized in that, described passing through, in step that 429 buses receive the print file that avionics systems send, comprising: by 429 buses, receive the type fount of print file that described avionics system sends, the data of the size information of type fount and print file.
4. the Method of printing that completes ARINC744A-1 standard based on Ethernet as claimed in claim 4, is characterized in that, in print file being converted to the step of the file layout that printer can identify, comprising:
The size information of the type fount of described file, type fount is converted to the type information sign that described printer can be identified;
The data of print file are converted to text data and generate unique print file title.
5. the Method of printing that completes ARINC744A-1 standard based on Ethernet as claimed in claim 4, is characterized in that, the print file after conversion are being sent in the step of printer, comprising:
Send print order file to described printer;
Receive after the print order file feedback information of described printer, send control documents order to described printer, wherein, described control documents order is for being about to the title of the control documents of transmission;
After receiving the control documents order feedback information of described printer, send control documents to described printer, described control documents comprises the filename of print file, the print format of print file, described print format is according to character print format;
After receiving the control documents feedback information of described printer, send data file order to described printer;
After receiving the data file order feedback information of described printer, send the data of printing print file to described printer.
6. a printing conversion equipment, comprising:
The first receiver module, for receiving by 429 buses the print file that avionics system sends;
Modular converter, for being converted to print file the file layout that printer can be identified;
Transport module, for being sent to printer by the print file after conversion.
7. printing conversion equipment as claimed in claim 6, is characterized in that, also comprises:
The first enquiry module, for inquiring about the duty of printer;
The first judge module, for judging that whether printer is in normal duty;
The second enquiry module, for obtaining described printer after normal operating conditions in the first judge module judgement, inquires about the print file in described avionics system;
The second judge module, for judging whether avionics system has print file;
Described the first receiver module, also, for when described the second judge module judges that obtaining described avionics system has print file, receives by 429 buses the print file that described avionics system sends.
8. printing conversion equipment as claimed in claim 7, is characterized in that: type fount, the size information of type fount and the data of print file that described the first receiver module also sends for receive described avionics system by 429 buses.
9. printing conversion equipment as claimed in claim 8, is characterized in that: described modular converter is also for being converted to the size information of the type fount of described file, type fount the type information sign that described printer can identify and the data of print file being converted to text data and generating unique print file title.
10. printing conversion equipment as claimed in claim 9, is characterized in that, described transport module comprises:
The first sending module, for sending print order file to described printer;
The second receiver module, for receiving the print order file feedback information of described printer;
The second sending module, for receiving at described the second receiver module after the print order file feedback information of described printer, sends control documents order to described printer, and wherein, described control documents order is for being about to the title of the control documents of transmission;
The 3rd receiver module, for receiving the control documents order feedback information of described printer;
The 3rd sending module, for receiving after the control documents order feedback information of described printer at described the 3rd receiver module, send control documents to described printer, described control documents comprises the filename of print file, the print format of print file, and described print format is according to character print format;
The 4th receiver module, the control documents feedback information sending for receiving described printer;
The 4th sending module, for receiving at described the 4th receiver module after the control documents feedback information of described printer transmission, sends the data of print file to described printer.
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| CN105653217A (en) * | 2015-12-30 | 2016-06-08 | 中电科航空电子有限公司 | Multi-format printing method of text file |
| CN107066219A (en) * | 2017-03-28 | 2017-08-18 | 许继电气股份有限公司 | A kind of network printing method of relay protection device of intelligent substation |
| CN111984207A (en) * | 2020-08-20 | 2020-11-24 | 中国商用飞机有限责任公司 | Airborne electronic printing method and system for aircraft |
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| CN101046730A (en) * | 2006-03-29 | 2007-10-03 | 京瓷美达株式会社 | Image forming apparatus for printing image data in removable storage |
| US20070273913A1 (en) * | 2006-03-31 | 2007-11-29 | Canon Kabushiki Kaisha | Information processing apparatus and data output management system |
| CN101150783A (en) * | 2007-11-08 | 2008-03-26 | 河北大学 | A method and device for automatic mobile phone SMS recording |
| CN101763443A (en) * | 2008-12-23 | 2010-06-30 | 江西洪都航空工业集团有限责任公司 | Avionics system digitalized design verification system and method |
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| CN105549924B (en) * | 2015-12-30 | 2018-05-11 | 中电科航空电子有限公司 | Print data transmission method based on AFDX buses |
| CN105653217B (en) * | 2015-12-30 | 2019-05-14 | 中电科航空电子有限公司 | The multi-format Method of printing of text file |
| CN107066219A (en) * | 2017-03-28 | 2017-08-18 | 许继电气股份有限公司 | A kind of network printing method of relay protection device of intelligent substation |
| CN111984207A (en) * | 2020-08-20 | 2020-11-24 | 中国商用飞机有限责任公司 | Airborne electronic printing method and system for aircraft |
| CN111984207B (en) * | 2020-08-20 | 2022-02-08 | 中国商用飞机有限责任公司 | Airborne electronic printing method and system for aircraft |
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